Daikin EKHHE200PCV3 Bruksanvisning

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EKHHE200CV3
EKHHE200PCV3
EKHHE260CV3
EKHHE260PCV3
User, Installations
and Maintenance Manual
Domestic Hot Water Heat Pump
Monobloc type
Page 2 User, Installations and Maintenance Manual
1. GENERAL SAFETY PRECAUTIONS ............................................................................................................3
2. INTRODUCTION ..............................................................................................................................................7
2.1 Products ............................................................................................................................................................................ 7
2.2 Disclaimer 7 ..........................................................................................................................................................................
2.3 Copyright 8 ...........................................................................................................................................................................
2.4 Available versions and congurations ............................................................................................................................... 8
3. HANDLING AND TRANSPORT .....................................................................................................................8
3.1 Receipt............................................................................................................................................................................... 8
4. CONSTRUCTION CHARACTERISTICS .....................................................................................................10
4.1 Dimensional data ............................................................................................................................................................. 11
4.2 Technical characteristics 12 ..................................................................................................................................................
5. IMPORTANT INFORMATION .......................................................................................................................13
5.1 Compliance with European regulations 13 ...........................................................................................................................
5.2 Casing protection rating 13 ..................................................................................................................................................
5.3 Operating limits 13 ................................................................................................................................................................
5.4 Operating limits 13 ...............................................................................................................................................................
5.5 Basic safety rules............................................................................................................................................................. 14
5.6 Information on the refrigerant used ................................................................................................................................. 14
6. INSTALLATION AND CONNECTIONS ........................................................................................................14
6.1 Preparation of place of installation .................................................................................................................................. 14
6.2 Securing to the oor......................................................................................................................................................... 15
6.3 Aeraulic connections........................................................................................................................................................ 15
6.4 Securing and connections of this appliance 17 ....................................................................................................................
6.5 Hydraulic connections ..................................................................................................................................................... 17
6.6 Integration with solar thermal system ( EKHHE200PCV3, EKHHE260PCV3) 18only for models .....................................
6.7 Electrical connections 19 .....................................................................................................................................................
6.8 Wiring diagram................................................................................................................................................................. 21
7. DESCRIPTION OF USER INTERFACE AND OPERATION OF EQUIPMENT .........................................22
7.1 Turning the water heater on and o󰀨 and unlocking the buttons ....................................................................................... 23
7.2 Setting the clock .............................................................................................................................................................. 23
7.3 Setting time bands 23 ...........................................................................................................................................................
7.4 Setting the hot water set-point 23 .........................................................................................................................................
7.5 Operating mode 24 ...............................................................................................................................................................
7.6 Additional functions.......................................................................................................................................................... 25
7.7 Faults/protection 26 ..............................................................................................................................................................
8. COMMISSIONING ..........................................................................................................................................27
8.1 Query, editing operating parameters 27 ...............................................................................................................................
9. TROUBLESHOOTING ...................................................................................................................................30
9.1 Power board fuse replacement 31 ........................................................................................................................................
9.2 Heating element safety thermostat reset 31 .........................................................................................................................
10. MAINTENANCE .............................................................................................................................................32
10.1 Sacricial anode check/replacement ............................................................................................................................... 32
10.2 Boiler emptying 32 ...............................................................................................................................................................
11. DISPOSAL ......................................................................................................................................................33
12. PRODUCT SHEET .........................................................................................................................................33
Page 3User, Installations and Maintenance Manual
1. GENERAL SAFETY PRECAUTIONS
CAUTION:
This manual is an integral part of the product. Keep it with care with the appliance,
and hand it on to the next user/owner in case of change of property.
These instructions are also available from the manufacturers customer service and
its website.
Read the instructions and warnings in this manual carefully, they contain important
information regarding safe installation, use and maintenance.
SAFETY WARNINGS
Do not use the appliance for any other than its specied use. The manufacturer is not liable for damage
resulting from improper or incorrect use or failure to observe the instructions given in this manual.
This appliance is not intended for use by persons (including children) whose physical, sensory or
mental capacities are reduced, or persons without experience or knowledge, unless they have been
given instructions and monitored previously when using the appliance by a person responsible for
their safety.
Children must be supervised to ensure they do not play with the appliance.
This appliance may be used by children 8 years of age or older, and those with reduced physical,
sensory or mental capacity or lack of experience or knowledge, if they are properly supervised or
if instructions for the safe use of the appliance have been given to them and the risks involved are
clear to them.
Children are not permitted to play with the appliance.
Water heated to over 50°C can cause immediate serious burns if delivered directly to the taps.
Children, disabled persons and the elderly are particularly at risk. It is recommended to install
a thermostatic mixer valve on the water delivery line.
This appliance must not be cleaned or maintained by children without supervision.
Do not touch the appliance when barefoot or if any part of your body is wet.
Do not leave ammable materials in contact with or in the vicinity of the appliance.
The appliance must be emptied when it is out of service in an area subject to subzero
temperatures. Drain as described in the appropriate chapter.
INSTALLATION CAUTION
The appliance must be installed and commissioned by a qualied technician in accordance with
local legislation and health and safety regulations. All power circuits must be shut o󰀨 before you
open the terminal block.
Page 4 User, Installations and Maintenance Manual
Incorrect installation can result in damage to property and injury to persons and animals; the
manufacturer is not liable for the consequences.
This product is heavy, handle with care and install the product in a frost-free room.
Ensure that the bulkhead can support the weight of the water lled appliance.
The destruction of the appliance by overpressure due to the blocking of the safety device
inactivates the warranty.
INSTALLATION WARNINGS
When installing this product in a bathroom do not use the “Prohibited space” and respect, at least,
the “Protected space” listed as shown below:
Prohibited space Protected space
This product must be placed in an accessible location.
The water heater must be xed to the ground using the xing bracket provided for this purpose and
adhesives are not considered to be a reliable xing means.
This product is designed to be used at a maximum altitude of 2000 m.
Refer to description and illustrations in paragraphs 6.1, 6.2 and 6.4.
AERAULIC CONNECTIONS WARNINGS
The simultaneous operation of an open-chamber hearth (e.g. open replace) and the heat pump
causes a dangerous negative pressure in the room. The negative pressure can cause the return of
exhaust gases into the room. Do not operate the heat pump together with an open-chamber hearth.
Only use sealed-chamber hearths (approved) with separate combustion air supply.
Seal the doors of boiler rooms that do not have the inow of combustion air in common with living
areas.
A suitable protection grille must be installed both at the air intake and outtake connections to
prevent any foreign bodies from going inside the equipment.
Refer to description and illustrations in the “Aeraulic connections.” paragraph 6.3.
Page 5User, Installations and Maintenance Manual
HYDRAULIC CONNECTIONS WARNINGS
It is mandatory to screw on to the appliance’s water intake pipe a suitable device against
overpressure (not supplied). In countries which acknowledge EN 1487, the appliance’s water intake
pipe must be equipped with a safety device compliant with previously mentioned standard.
It must be new, with 3/4” dimensions and calibrated to a maximum pressure of 0.7 MPa, including
at least a cock, check valve, safety valve and hydraulic load cut-out.
This safety device must not be tampered with and must be made to operate frequently in order to
check that it is not blocked and to remove any limescale.
The water may drip from the discharge pipe of the pressure-relief device and the pipe must be
left open to the atmosphere. The discharge pipe connected to the pressure-relief device is to be
installed in a continuously downward direction and in a frost-free environment.
A pressure reducer (not supplied) is required when the inlet water pressure is greater than 0.5 MPa
(5 bar), which must be attached to the water mains.
The minimum inlet water pressure for the correct operation of the appliance is 0.15 MPa (1.5 bar).
For models that incorporate a heat exchanger (solar coil), the circuit must not exceed 1.0 MPa (10
bar) and its temperature must not exceed 80°C.
Refer to description and illustrations in the “Hydraulic connections” paragraph 6.5 and “Integration
with solar thermal system” paragraph 6.6.
ELECTRICAL CONNECTIONS WARNINGS
The appliance shall be installed in accordance with national wiring regulations.
The electrical installation must include an all-pole disconnection device (circuit-breaker, fuse)
upstream of the appliance, complying with local installation rules in force (30 mA di󰀨erential circuit
breaker).
Earth connection is mandatory. The manufacturer of the appliance shall not be held liable for any
damage caused by failure to earth the system or due to anomalies in the electric power supply.
It is strictly forbidden to connect the appliance at the AC mains through extensions or by a power strip.
Before taking o󰀨 the cover, make sure that the power is turned o󰀨 to prevent injury or electric shock.
Refer to description and illustrations, respectively, in the “Electrical connections” paragraph 6.7 and
“Wiring diagram“ paragraph 6.8.
Page 6 User, Installations and Maintenance Manual
SERVICING - MAINTENANCE - TROUBLESHOOTING WARNINGS
Any repairs, maintenance, plumbing and electrical connections must be done by qualied
technicians using original spare parts only. Failure to observe the above instructions can
compromise the safety of the appliance and relieves the manufacturer of any liability for the
consequences.
To empty the appliance: turn o󰀨 the power supply and cold water, open the hot water taps and then
operate the drain valve of the safety device.
The pressure relief valve must be operated regularly to remove scale deposits and to ensure that
it is not blocked.
The appliance is equipped with a supply cord that if damaged, must be replaced by the
manufacturer, its service agent or similarly qualied persons in order to avoid a hazard.
The appliance incorporates a time-Iag miniature fuse-link that if broken, it must be replaced with
a fuse model “T5AL250V” in accordance with IEC 60127.
Refer to description and illustrations, respectively, in the “TROUBLESHOOTING” chapter 9 and
“MAINTENANCE” chapter 10.
Page 7User, Installations and Maintenance Manual
2. INTRODUCTION
This installation and maintenance manual is an integral part of
the heat pump (hereinafter equipment).
The manual must be kept for future reference until dismantling.
It is intended for the specialist installer (installers - maintenance
technicians) and the end user. The manual describes the instal-
lation procedures to be observed for correct and safe operation
of the equipment, and the methods of use and maintenance.
In case of sale or transfer to another user, the manual must stay
with the unit.
Before installing and/or using the equipment, read this instruc-
tion manual carefully and in particular chapter 5 on safety.
The manual must be kept with the unit and always be available
to qualified installation and maintenance personnel.
The following symbols are used in the manual to highlight the
most important information:
Caution
Procedures to be followed
Information / Suggestions
2.1 Products
Dear Customer,
Thank you for purchasing this product.
Our company, always attentive to environmental issues, uses
low environmental impact technologies and materials for its
products, in compliance with EU WEEE standards (2012/19/EU
– RoHS 2011/65/EU).
2.2 Disclaimer
The conformity of these operating instructions with the hard-
ware and the software has been carefully checked. Neverthe-
less there may be differences; and no responsibility is assumed
for total conformity.
In the interest of technical improvement, we reserve the right to
make construction or technical data changes at any time. Any
claim based on indications, figures, drawings or descriptions is
therefore excluded. They are subject to possible errors.
The supplier declines any liability for damage due to command
errors, improper or inappropriate use, or due to unauthorized
repairs or modifications.
Page 8 User, Installations and Maintenance Manual
2.3 Copyright
These operating instructions contain information protected by
copyright. No part of these operating instructions may be pho-
tocopied, duplicated, translated or recorded on storage media
without prior permission from the supplier. Any violations will be
subject to compensation for damage. All rights, including those
resulting from the granting of patents or registration of utility
models, are reserved.
2.4 Available versions and congurations
This appliance incorporates a 1.9 kW heat-pump unit and can
be set up in different configurations, according to possible inte-
gration with additional heating sources (e.g. solar heating) or
depending on boiler capacity.
Version Configuration description
EKHHE200CV3
EKHHE260CV3
Air heat pump for domestic hot water (DHW) pro-
duction
EKHHE200PCV3
EKHHE260PCV3
Air heat pump for DHW production prearranged
for the solar thermal system.
3. HANDLING AND TRANSPORT
The equipment comes in a cardboard box(*).
It is secured to a pallet by means of three screws.
For unloading operations use a forklift or an adequate pallet
truck.
The packed equipment can be placed horizontally and back
down to facilitate undoing the anchoring screws.
Unpacking must done carefully so as not to damage the equip-
ment casing if using knives or cutters to open the cardboard
packaging.
After removing the packaging, check the integrity of the unit. If
in doubt, do not use the unit; contact authorized technical per-
sonnel.
Before eliminating the packaging, according to the applicable
environmental protection regulations, make sure all the acces-
sories supplied have been removed.
(*) Note: The type of packaging may undergo variations at the
discretion of the manufacturer.
For the entire period the equipment remains idle, awaiting com-
missioning, it is advisable to put it in a place protected from
atmospheric agents
3.1 Receipt
In addition to the units, the packages contain accessories and
technical documentation for use and installation. Check that the
following are present:
1x user, installation and maintenance manual;
3x fastening brackets plus screws;
1x thermal cut-out (only for EKHHE200PCV3 and
EKHHE260PCV3).
For the entire period the equipment remains idle, awaiting com-
missioning, it is advisable to put it in a place protected from
atmospheric agents.
Page 9User, Installations and Maintenance Manual
Positions allowed for transport and handling
fig. 1
ATTENTION! During the product handling and
installation phases the upper part must not be
stressed in any way, as it is not structural.
ATTENTION! Horizontal transport is allowed only
for the last km according to that indicated (see
"Positions not allowed for transport and han-
dling"), making sure supports are positioned in
such a way at the bottom of the boiler so as not
to stress the upper part, as it is not structural.
During horizontal transport the display must
face upwards.
Position allowed only for the last km
Positions not allowed for transport and handling
fig. 2
Page 10 User, Installations and Maintenance Manual
4. CONSTRUCTION CHARACTERISTICS

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
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


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fig. 3

1 Heat pump
2 User interface
3 Steel casing
4 Heating element
5 Magnesium anode
6 Ventilation air inlet (Ø 160 mm)
7 Ventilation air outlet (Ø 160 mm)
8 Cold water inlet connection
9 Hot water outlet connection
10 Prearrangement for recirculation
11 Condensate drain
12 Prearrangement for solar coil Inlet
Only for models EKHHE200PCV3
EKHHE260PCV3
13 Prearrangement for solar coil outlet
Only for models EKHHE200PCV3
EKHHE260PCV3
14 Steel tank with vitreous enamel coating according to DIN 4753-3
15 Condenser
16 Rotary compressor
17 Finned pack evaporator
18 Electronic fan
19 Boiler probes
20 Probe holder pocket for solar - Only for models
EKHHE200PCV3
EKHHE260PCV3
21 Polyurethane insulation
22 Carrying handles
23 Tube for safety thermostat bulb
24 Power board
26 Compartment for accessing heating element and safety
thermostat bulb
Page 12 User, Installations and Maintenance Manual
4.2 Technical characteristics
Model
EKHHE200PCV3 EKHHE260PCV3 EKHHE200CV3 EKHHE260CV3
U.M.
Heat pump
Power supply 230-1-50 V-PH-Hz
Thermal power (ISO) 1820 1820 1820 1820 W
Total absorbed power in heating (ISO) 430 430 430 430 W
COP (ISO) 4.23 4.23 4.23 4.23 W/W
Rated current in heating (ISO) 2.00 2.00 2.00 2.00 A
Max. total absorbed power in heating 530 530 530 530 W
Max. current in heating 2.43 2.43 2.43 2.43 A
Heating time (EN) (1) 8:17 10:14 8:17 10:14 h:min
Heating energy (EN) (1) kWh3.25 3.99 3.25 3.99
Standby consumption (EN) (1) 29 29 29 29 W
Class of use (EN) (1) L XL L XL Type
Power consumption during operating
cycle WEL-TC (EN) (1) 3.62 5.64 3.62 5.64 kWh
COPDHW (EN) (1) 3.23 3.38 3.23 3.38 W/W
COPDHW (EN) (4) 3,49 3,59 3,49 3,59 W/W
Water reference temperature (EN) (1) 53.7 52.7 53.7 52.7 °C
Max. usable amount of water( EN) (2) 0.270 0.330 0.273 0.338 m
3
Heating efficiency ref. standard (EU) 135 139 135 139 %
Efficiency class ref. standard (EU) A+ A+ A+ A+ -
Yearly power consumption (EU) 798 1203 798 1203 kWh/year
Electrical heating element Power 1500 1500 1500 1500 W
Current 6.5 6.5 6.5 6.5 A
Heat pump + heating element
Total absorbed power 1960 1960 1960 1960 W
Rated current 8.5 8.5 8.5 8.5 A
Total max. absorbed power 2030 2030 2030 2030 W
Max. current 8.93 8.93 8.93 8.93 A
Heating time (1) BOOST MODE 3:58 5:06 3:58 5:06 h:min
Storage
Storage capacity 187 247 192 250 l
Max. pressure 0.7 0.7 0.7 0.7 MPa
Material Enameled steel type
Cathodic protection Mg rod anode type
Insulation type\thickness polyurethane/50 type/mm
Air circuit
Fan type Centrifugal type
Air flow rate
350-500 350-500 350-500 350-500
m³/h
Duct diameter 160 160 160 160 mm
Max. available head 200 200 200 200 Pa
Refrigeration circuit
Compressor Rotary type
Refrigerant R134a type
Evaporator Copper-aluminum finned coil type
Condenser typeAluminum tube wound outside tank
Solar coil
Only for models:
EKHHE200PCV3 - EKHHE260PCV3
Material Enameled steel / / type
Total area 0.72 0.72 / /
Max. pressure 1.0 1.0 / / MPa
Internal sound power levels (3) 50 50 50 50 dB(A)
External sound power levels (3) 49 49 49 49 dB(A)
Empty weight 96 106 85 97Net kg
NOTES
data according to standard (ISO): ISO 255-3
data according to standard (EN): EN 16147:2017
data according to regulation (EU): 2017/1369/EU
Heating cycle Air inlet temp = 7°C DB/6°C WB Initial water temperature 10°C(1):
Operating temperature limit 40°C - Water inlet temperature 10°C(2):
data according to standard (3): EN 12102-1:2018 ECO MODE A 7°C DB/6°C WB
Heating cycle Air inlet temp = 14°C DB/13°C WB Initial water temperature 10°C(4):
Page 13User, Installations and Maintenance Manual
5. IMPORTANT INFORMATION
5.1 Compliance with European regulations
This heat pump is a product intended for domestic use in com-
pliance with the following European directives:
Directive 2012/19/EU (WEEE)
Directive 2011/65/EU on the restriction of the use of certain
hazardous substances in electrical and electronic equipment
(RoHS)
Directive 2014/30/EU electromagnetic compatibility (EMC)
Directive 2014/35/EU low voltage (LVD)
Directive 2009/125/EC eco-friendly design
Regulation 2017/1369/EU energy labeling
5.2 Casing protection rating
The equipment protection rating is: . IP24
5.3 Operating limits
PROHIBITION! This product is not designed or
intended for use in hazardous environments
(due to the presence of potentially explosive
atmospheres - ATEX or with required IP level
higher than that of the unit) or in applications
requiring safety features (fault-tolerant, fail-safe)
which may be systems and/or technologies to
support life or any other context in which the
malfunction of an application can lead to death
or injury to people or animals, or serious dam-
age to property or the environment.
NB!: If the possibility of a product fault or failure can
cause damage (to people, animals and property) it is nec-
essary to provide for a separate functional surveillance
system equipped with alarm functions in order to exclude
such damage. It is also necessary to arrange the replace-
ment operation!
Appliance is not designed for installation outdoors but in
a "closed" place not exposed to the elements.
5.4 Operating limits
The product in question is designed exclusively for heating hot
water for sanitary uses within the limits described below. For
this purpose, it must be connected to the domestic water sup-
ply and the power supply (see chapter “6. INSTALLATION AND
CONNECTIONS”).
5.4.1 Temperature range
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 
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fig. 7- Chart
A = Inlet air temperature (°C)
B = Hot water temperature (°C)
= Operating range for heat pump (HP)
= Integration with heating element only
5.4.2 Water hardness
The unit must not operate with water of hardness under 12°F;
however, with particularly hard water (above 25°F), it is advis-
able to use a properly calibrated and monitored water softener,
in this case the residual hardness must not fall below 15°F.
NB!: In the design and construction phase of the plants,
the applicable local regulations and provisions must be
respected.
Page 14 User, Installations and Maintenance Manual
5.5 Basic safety rules
The product must be used by adults;
Do not open or disassemble the product when it is electrically
powered;
Do not touch the product if barefoot or with wet or damp parts
of the body;
Do not pour or spray water on the product;
Do not climb, sit and/or place any type of object on the
product.
5.6 Information on the refrigerant used
This product contains fluorinated greenhouse gases included in
the Kyoto protocol. Do not release these gases into the atmo-
sphere.
Type of refrigerant: HFC-R134a.
NB!: Maintenance and disposal operations must only be
carried out by qualified personnel.
6. INSTALLATION AND CONNECTIONS
6.1 Preparation of place of installation
The product must be installed in a suitable place, i.e. to allow
normal use and adjustment operations as well as routine and
extraordinary maintenance.
The necessary operating space must therefore be prepared by
referring to the dimensions given in fig. 8 and fig. 9.
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fig. 8- Minimum spaces
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fig. 9- Minimum spaces
The room must also be:
Equipped with adequate water and electricity supply lines;
-Prearranged for the condensation water discharge connec
tion;
Prearranged with adequate water drains in case of boiler
damage or safety valve intervention or the breakage of pipes/
connections;
-Equipped with possible containment systems in case of seri
ous water leakage;
Sufficiently illuminated (where required);
Not less than 20 p14-m3 in volume;
Protected against frost and be dry.
ATTENTION! To avoid the propagation of me-
chanical vibrations, do not install the equipment
on oors with wooden beams (e.g. in the attic).
Page 15User, Installations and Maintenance Manual
6.2 Securing to the oor
To secure the product to the floor, fasten the supplied brackets
as shown in fig. 10.
fig. 10- Fastening brackets
Then secure the unit to the floor with the aid of suitable plugs,
not supplied, as shown in fig. 11.
fig. 11- Securing to the floor
6.3 Aeraulic connections
In addition to the spaces indicated in , the heat pump.re6.1 -
quires adequate air ventilation.
Create a dedicated air channel as indicated in fig. 12.
Internal
compartment
Exterior
fig. 12- Example of air outlet connection
It is also important to ensure adequate ventilation of the room
containing the unit. An alternative solution is shown in the figure
below (fig. 13): it provides for a second ducting that takes air
from the outside instead of directly from the inside room.
Internal
compartment
Exterior
fig. 13– Example of air outlet connection
Page 16 User, Installations and Maintenance Manual
Install each air channel, making sure:
It does not weigh down on the equipment.
It allows maintenance operations.
It is adequately protected to prevent the accidental intrusion
of materials inside the equipment.
The connection to the outside must be done with suitable,
non-flammable piping.
The total equivalent length of the extraction pipes plus the
delivery, including grilles, must not exceed 12 m.
The table gives the characteristic data of commercial ducting
components with reference to nominal air flows and diameters
160 mm.
Data Smooth
straight pipe
Smooth 90 °
curve Grille UM
Type
Effective
length 1 \ \ m
Equivalent
length 1 2 2 m
During operation, the heat pump tends to lower the room tem-
perature if the air ducting is not to the outside.
A suitable protection grille must be installed at the air extrac-
tion pipe to the outside to prevent any foreign bodies from
entering inside the equipment. To ensure maximum product
performance, the grille must be selected from those with low
pressure loss.
To avoid the formation of condensation water: insulate the air
extraction pipes and the ducted air cover connections with a
steam-tight thermal covering of adequate thickness.
Install silencers if deemed necessary to prevent noise due to
the flow. Equip the pipes, wall outlets and connections to the
heat pump with vibration-damping systems.
6.3.1 Special installation
One of the peculiarities of the heat pump heating systems is
that these units considerably lower the air temperature, gener-
ally expelled to the outside of the house. As well as being colder
than the ambient air, the expelled air is also completely dehu-
midified, therefore the air flow can be returned inside for the
summer cooling of specific rooms or areas.
Installation provides for splitting of the extraction pipe, which is
fitted with two dampers ("A" and "B") for directing the air flow to
the outside (fig. 15) or the inside of the house (fig. 14).
Internal
compartment
Damper "A"
closed
Damper "B"
open
Internal compartment
Exterior
fig. 14- Example of installation in the summer period
Page 18 User, Installations and Maintenance Manual
6.5.1 Condensate drain connection
The condensate forming during heat pump operation flows
through a special drain pipe (1/2"G) that passes inside the insu-
lating casing and comes out at the side of the equipment.
It must be connected, via a trap, to a duct so that the conden-
sate can flow regularly (fig. 18).

fig. 18- Examples of condensate drain connection via a trap
6.6 Integration with solar thermal system ( only for models
EKHHE200PCV3, EKHHE260PCV3)
The following figure (fig. 19) shows how to connect the equip-
ment to a solar thermal system controlled by a dedicated elec-
tronic controller (not supplied) that has a "voltage-free contact"
type output to be connected to the DIG.1 input of the equipment
(see “6.7.1 Remote connections”).
To use the equipment in this configuration it is necessary to set
the parameter (see par. 8.1).P16 = 1
 










fig. 19
The following figures (fig. 20 and fig. 21) show how to connect
the equipment to a solar thermal system controlled directly by
the latter, without the aid of a dedicated electronic controller.
In the configuration of fig. 20, in case of solar collector overtem-
perature a drain valve (not supplied) is activated to discharge in
a DHW storage tank (puffer) hot water contained in the equip-
ment.
In the configuration of fig. 21, however, in this condition the solar
collector shutter is closed.
In both cases this occurs in order to allow the collector to cool
down.
Page 19User, Installations and Maintenance Manual
To use the equipment in both these configurations it is neces-
sary to set the parameter and (see par.8.1).P12 = 2 P16 = 2










fig. 20









fig. 21
Legend (fig. 19, fig. 20 and fig. 21)
Cold water inlet1
Solar coil outlet2
Solar coil inlet3
Recirculation4
Hot water outlet5
Solar thermal coil8
Drain valve10
Recirculating pump 16
(ON/OFF type)
17 Check valve
Automatic thermostatic 18
mixing device
Solar collector19
Solar collector probe 20
(PT1000 not supplied*)
Solar collector shutter21
DHW puffer22
Solar coil probe 23
(not supplied)
Heat pump24
25 Solar pump (ON/OFF
type)
Thermal cut-out (supplied) 26
for solar pump
Pit for solar probe and A
thermal cut-out
* We advise to use solar collector probe PT1000 (available
on manufacturers accessories list)
6.7 Electrical connections
Before connecting the appliance to AC mains, a check must be
carried out on the electrical system to verify conformity to the
regulations in force and that the electrical system can suitably
withstand the water heater’s maximum power consumption val-
ues (refer paragraph 4.2 for technical characteristics), in terms
of the size of the cables and their conformity to the regulations
in force.
The appliance is supplied with a power cord with a Schuko plug
(fig. 23) and for the connection with AC mains is required:
a Schuko wall socket with ground and separate protection is
required (fig. 22);
an omnipolar 16 A circuit breaker with a contact opening of
at least 3 mm;
a 30 mA differential circuit breaker.
It is forbidden to use multiple outlet sockets, extension cables
or adaptors.
It is forbidden to use piping from the water, heating and gas
systems for earthing the appliance.
Prior to operating the machine, make sure that the electricity
mains voltage conforms to the value indicated on the appli-
ance’s data plate.
The manufacturer of the appliance shall not be held liable for
any damage caused by failure to earth the system or due to
anomalies in the electric power supply.
fig. 22 - Schuko socket fig. 23 - Unit plug
Page 20 User, Installations and Maintenance Manual
6.7.1 Remote connections
The equipment is designed to be connected to other remote
energy systems or energy meters (solar thermal, photovoltaic,
Off-Peak)
INPUTS
Digital 1 (DIG1). Digital input for solar thermal (only for mod-
els PCV3). In case of a solar thermal system with dedicated
control unit, the latter can be connected to the equipment to
deactivate the heat pump when there is energy production
from solar source. Having a voltage-free contact that closes
when the solar system is active, it can be connected to the
two white and brown wires of the 6-core cable supplied with
the equipment.
Set the parameter to activate the supplement with P16 = 1
solar thermal.
Digital 2 (DIG2). Digital input for photovoltaic. In case of a
photovoltaic system connected to the plant, it can be used
to subtract energy in the form of hot water in times of over-
production. If there is a voltage-free contact, e.g. from the in-
verter, which closes when there is overproduction of energy,
it can be connected to the two and wires of the green yellow
6-core cable supplied with the.equipment.
Set the parameter to activate the supplement with P23 = 1
photovoltaic.
Digital 3 (DIG3). Input for Off-Peak. This function, available
only in some countries, allows the equipment to be activated
only when there is a signal coming from outside with prefer-
ential tariff. If the electric contactor has a voltage-free contact
which closes when the preferential tariff is available, it can be
connected to the two and gray pink wires of the 6-core cable
supplied with the equipment.
Set the parameter P24 = 1 to activate Off-peak in ECO mode
or P24 = 2 for Off-peak in AUTO mode.
Digital input (LPSW) for the flow switch of the solar thermal/
DHW circulating pump (not supplied)
Analog input for solar collector probe.(PT1000)
OUTPUTS
230 Vac - 16 A relay output with N.O. contact. for solar thermal /
DHW recirculation circulating pump (ON/OFF type).
230 Vac - 5 A relay output with contact N.O. for solar collector
shutter / drain valve.
Only for models PCV3
Note: For more information on remote connections and the
configuration of the equipment with these systems, see the
par. and “7.5 Operating mode” “8.1.1 List of equipment
parameters”.
6.7.1.1 Remote connection
For the connection to the digital inputs the equipment is sup-
plied with an additional 6-core cable already connected to the
PCBA of the user interface (located inside the device). The re-
mote connections to possible energy systems are the responsi-
bility of the qualified installer (connection boxes, terminals and
connection cables).
The following figures give an example of remote connection (fig.
24 and fig. 25) which must not be longer than .3 m
fig. 24- Example of remote connection
fig. 25
Page 21User, Installations and Maintenance Manual
To access the 6-core cable for remote connection, remove the
upper cover of the boiler and run to the outside the cable, al-
ready present inside the unit, through the special cable gland
installed in the back cover.
6.8 Wiring diagram
COMP
(N)
(L)
EMC
Filter
CN20 CN15 CN26
CN22
CN11 CN13 CN10
CN14
CN7CN3
CN23
CN6
CN12
CN9
CN8
CN5CN4CN1CN2CN27
CN21
CN25
CN17
CN19
CN16
R
YE-GN
Ho Gast
Coil
C
EC Fan
Motor
YE-GN
Helectric
Heater
M
U.I.
Board
WI-FI
B rdoa
F.C.T.
Co ctionnne
H WPS
SCompre orss
YE-GN
YE-GN
Power
Su lypp
YE-G N
Water T kan
T k Jacketan
Fan Motor
Compressor
YE-GN
YE-G N
YE-GN
Solar / Hot
Water Pump
YE-G N
Safety
Therm tatos
CN18
L L
L
NN
N
MAIN ARDBO
DIG3DIG2
DIG1
P2
P
7
P8
P1
NL
L
N
N
L
Solar Hot /
Water Pump
Solar drain v.
CN11
C15uF
Bri e 1dg
PT1000
Solar co ectorll
Probe
T5A 50VL2
Solar thermal cut-out
fig. 26- Equipment wiring diagram
Description of connections available on the power board
CN1 Air, defrost and water NTC probes
CN2 Not usable
CN3 Probe for solar thermal management - Only for
models PCV3
CN4 Not usable
CN5 Solar digital inputs, PV, Off-peak
CN6 High pressure switch
CN7 Flow switch for solar thermal/DHW circulating
pump (not supplied)
CN8 Electronic fan PWM control (EC)
CN9+CN12 Not usable
CN10 Fan power supply EC, AC
CN11
Solar thermal/DHW circulating pump
(ON/OFF
type)
, drain valve or solar collector shutter - Only
for models PCV3
CN13 Hot gas defrost valve power supply
CN14 Not usable
CN15 Compressor power supply
CN16 Heating element power supply
CN17 Not usable
CN18 Main power supply 230 V - 1 PH - 50 Hz
CN19 Earth connections
CN20 230 Vac power supply for impressed current
anode converter
CN21 Connection with end of line inspection/test
CN22 WI-FI card connection (not supplied)
CN23 User interface connection
CN25 Not usable
Page 22 User, Installations and Maintenance Manual
To connect a safety flow switch for the solar thermal/hot water
recirculation circuit to the equipment, proceed as follows (re-
served only for qualified technical personnel):
Disconnect the power to the equipment.
Remove the top cover of the equipment and then the power
board cover.
Disconnect the “jumper(bridge 1) from connector CN7 of the
power board, then cut the conductor forming the bridge in the
middle and connect a suitable terminal.
Then connect a normally-closed (N.C.) type flow switch and
connect everything to CN7.
Reassemble all the plastics and make sure the equipment is
correctly installed before powering it.
If, instead, a normally-open (N.O.) type flow switch is used, it is
necessary to set the parameter (see par.8.1).P15 = 1

To connect the thermal cut-off (supplied) for the solar circulation
pump, proceed as follows (reserved only for qualified technical
personnel):
Disconnect the power to the appliance;
Put the bulb fully inside the dedicated tank pit (“A”) and close
the cable gland;
-Unwind the capillary enough is necessary to place the ther
mal cut-out inside an adequate enclosure fixed to the wall;
-Connect the thermal cut-out in series with line (“L”) and neu
tral (“N”) power-supply connections of solar circulating pump,
for all-pole disconnection.
Verify all connections before power-supply the appliance.
7. DESCRIPTION OF USER INTERFACE AND OPERATION OF
EQUIPMENT
fig. 27
Description Symbol
"On/Off" button for switching on, putting the product in
standby mode, unlocking buttons, saving changes
"Set" button to edit the parameter value, confirm;
“Increase” button to increase the set-point value,
parameter or password
“Decrease” button to decrease the set-point value,
parameter or password
Heat pump operation (ECO mode)
Heating element operation (electric mode)
Automatic mode
+
Boost mode (symbols flash)
+
Button lock active
Defrost
Frost protection
Anti-legionella cycle
Holiday mode;
Operation with time bands
Clock setting (symbol flashes)
Connected with WI-FI
(not available for these models)
Photovoltaic mode
(with symbol flashing the supplement is not active)
Solar thermal mode
(with symbol flashing the supplement is not active)
Fault or protection active
Off-Peak mode (with symbol flashing the equipment
remains on standby)
The user interface of this water heater model consists of four
capacitive buttons, and a LED display.
Page 23User, Installations and Maintenance Manual
As soon as the water heater is powered the four buttons are
backlit and all the icons and display segments light up simulta-
neously for 3 s.
During normal operation of the product the three digits on the
display show the water temperature in °C, measured with the
upper water probe if parameter P11 is set to 1 or with the lower
water probe if P11 = 0.
During modification of the selected operating mode set-point,
the set-point temperature is shown on the display.
The icons indicate the selected operating mode, the presence
or not of alarms, Wi-Fi connection status, and other information
on product status.
7.1 Turning the water heater on and o󰀨 and unlocking the
buttons
When the water heater is correctly powered it can be "ON" and,
therefore, in one of the available operating modes (ECO, Auto-
matic, etc.) or in standby mode.
During standby mode the four capacitive buttons are backlit for
easy visibility, the Wi-Fi icon is lit up according to the connection
status with an external Wi-Fi router (not supplied) and, in the
absence of alarms or frost protection active, all other icons as
well as the segments of the three digits are off.
Turning on
With the water heater in standby mode and "button lock" func-
tion active (padlock icon at the bottom left lit up), it is necessary
to first "unlock" the buttons by pressing the ON/OFF button for
at least 3 seconds (the padlock icon goes off), then press the
ON/OFF button again for 3 seconds to turn on the water heater.
Turning off
With the water heater on and “button lock" function active, it
is necessary to first "unlock" the buttons by pressing the ON/
OFF button for at least 3 seconds, then press the ON/OFF but-
ton again for 3 seconds to turn off the water heater (putting in
standby mode).
In any status, 60 seconds after the last press of any of the four
user interface buttons, the button lock function is automatically
activated to prevent possible interactions with the water heater,
e.g. by children, etc. At the same time the backlighting level of
the buttons and display decreases to reduce the unit’s energy
consumption.
By pressing any of the four buttons, the backlighting of the but-
tons and display will immediately return to its normal level for
better visibility.
7.2 Setting the clock
With the buttons unlocked, press the button for 3 seconds to
access the clock settings (the symbol flashes).
Set the time with the "+" and "-" buttons, press " " to confirm
and then set the minutes.
Press the button to confirm and exit.
7.3 Setting time bands
The equipment clock must be set before activating the time
bands.
Select the desired operating mode then set the time bands.
The time bands can be activated only in the ECO - AUTOMATIC
- BOOST - ELECTRIC and VENTILATION modes.
With the buttons released, press th button and "-" button
together for 3 seconds to set the time bands (the symbol is
displayed).
Set the switch-on time using the “+” and “-” buttons, press “
” to confirm and then set the On minutes.
Press to confirm and go to switch-off time setting.
Press to confirm, then, using the "+" and "-" buttons, select
the desired operating mode for the time band (ECO, AUTOMAT-
IC, BOOST, ELECTRIC, VENTILATION).
Press to confirm and exit.
Note: At the end of the time band the equipment goes to stand-
by mode and remains there until repetition of the time band the
next day
To deactivate the time bands, set the on and off times to mid-
night (the symbol goes off).
7.4 Setting the hot water set-point
It is possible to adjust the hot water set-point in the ECO, AUTO-
MATIC, BOOST and ELECTRIC modes
Select the desired mode with the button , then adjust the
set-point with the “+” and “-” buttons.
Press the button to confirm and to exit.
Mode Hot water set-point
Range Default
ECO 43÷62°C 55°C
AUTOMATIC 43÷62°C 55°C
BOOST 43÷75°C* 55°C
ELECTRIC 43÷75°C 55°C
* In BOOST mode the maximum set-point value for the heat
pump is 62°C. Therefore, by setting a higher value this is to be
considered only for the heating element.
Page 24 User, Installations and Maintenance Manual
7.5 Operating mode
The following modes are available for this water heater
7.5.1 ECO
The display shows the symbol
With this mode only the heat pump is used within the product
operating limits to ensure maximum possible energy saving.
The heat pump is switched on 5 minutes after selecting this
mode or from the last switch-off.
In case of switching off, within the first 5 minutes, the heat pump
will remain on anyway to ensure at least 5 minutes of continu-
ous operation.
7.5.2 AUTOMATIC
The display shows the symbol + .
With this mode the heat pump is used and, if necessary, also the
heating element, within the product operating limits, to ensure
best possible comfort.
The heat pump is switched on 5 minutes after selecting this
mode or from the last switch-off.
In case of switching off, within the first 5 minutes, the heat pump
will remain on anyway to ensure at least 5 minutes of continu-
ous operation.
7.5.3 BOOST
The display shows the symbols + flashing.
This mode uses the heat pump and the heating element, within
the product operating limits, to ensure faster heating.
The heat pump is switched on 5 minutes after selecting this
mode or from the last switch-off.
In case of switching off, within the first 5 minutes, the heat pump
will remain on anyway to ensure at least 5 minutes of continu-
ous operation.
The heating element is switched on immediately.
7.5.4 ELECTRIC
The display shows the symbol .
With this mode only the heating element is used within the prod-
uct operating limits and is useful in situations of low inlet air
temperatures.
7.5.5 VENTILATION
The display shows the message .
With this mode only the electronic fan inside the equipment
is used and is useful for recirculating the air in the installation
room if desired.
In automatic mode the fan will be adjusted to the minimum
speed.
7.5.6 HOLIDAY
The display shows the symbol .
This mode is useful when away for a limited time and then au-
tomatically finding the equipment working in automatic mode.
Using the + and - buttons it is possible set the days of absence
during which the equipment is to remain in standby mode.
Press and then on off to confirm.
7.5.7 Solar Mode + or + + or
(Only for models PCV3)
When the solar mode is activated from the installer menu, only
ECO - AUTOMATIC - HOLIDAY will be available.
When the symbol on the display flashes, the solar mode is
not operating and the unit works in the set mode: ECO, AUTO-
MATIC or HOLIDAY.
When the symbol on the display is lit up, the energy pro-
duced by the solar system is used to heat the water inside the
tank via the solar coil.
7.5.8 Photovoltaic Mode + or + + or
When the photovoltaic mode is activated from the installer
menu, only ECO - AUTOMATIC - HOLIDAY will be available.
When the symbol on the display flashes, the photovoltaic
mode is not operating and the unit works in the set mode: ECO,
AUTOMATIC or HOLIDAY.
When the symbol on the display is lit up, the energy pro-
duced by the photovoltaic system is used to heat the water in-
side the tank.
With ECO mode selected, the heat pump will operate until the
set-point is reached and the heating element is switched on until
the photovoltaic set-point set from the installer menu is reached.
Otherwise, with AUTOMATIC mode selected, the heating ele-
ment can also be switched on before reaching the set-point of
this mode if the conditions require it.
7.5.9 O󰀨-Peak Mode + or + +
When the photovoltaic mode is activated from the installer
menu, only ECO - AUTOMATIC will be available.
When the symbol on the display flashes, the Off-Peak
mode is not operating and the unit remains on standby and the
heat pump and heating element are off.
Otherwise, when the symbol on the display is lit up, the unit
works in the ECO or AUTOMATIC mode.
Page 25User, Installations and Maintenance Manual
7.6 Additional functions
7.6.1 Anti-Legionella
The display shows the symbol .
Every two weeks, at the set time, a water heating cycle is car-
ried out by means of the heating element inside the tank, up to
the anti-legionella temperature, maintaining it for the set time.
If, on reaching the anti-legionella temperature, the cycle is not
performed correctly within 10 hours, it is stopped and will be run
again after 2 weeks.
If the request for the anti-legionella function occurs with HOLI-
DAY mode selected, the anti-legionella cycle will be carried out
immediately when the unit is reactivated after the set days of
absence.
Anti-legionella parameters Range Default
Anti-legionella temperature set-point (P3) 50÷75°C 75°C
Anti-legionella cycle duration (P4) 0÷90 min 30 min
Anti-legionella cycle activation time (P29) 0÷23 h 23 h
7.6.2 Defrost function
The display shows the symbol .
This equipment has an automatic evaporator defrost function
which is activated, when the operating conditions require it, dur-
ing heat pump operation.
Defrosting occurs through the injection of hot gas into the evap-
orator, allowing it to be rapidly defrosted.
During defrosting, the heating element, which the equipment is
provided with, is switched off unless otherwise set via the in-
staller menu (parameter P6).
The max. duration of defrosting is 8 minutes.
7.6.2.1 Frost protection
The display shows the symbol .
This protection prevents the water temperature inside the tank
from reaching values close to zero.
With the equipment in standby mode, when the water tempera-
ture inside the tank is below or equal to 5°C (parameter configu-
rable via installer menu), the frost protection function activates,
which switches on the heating element until 12°C is reached
(parameter configurable via installer menu).
Page 26 User, Installations and Maintenance Manual
7.7 Faults/protection
This equipment has a self-diagnosis system that covers some possible faults or protections from anomalous operating conditions
through: detection, signaling and adoption of an emergency procedure until resolution of the fault.
Fault/Protection Error code Display indication
Tank lower probe fault P01 + P01
Tank upper probe fault P02 + P02
Defrost probe fault P03 + P03
Inlet air probe fault P04 + P04
Evaporator inlet probe fault P05 + P05
Evaporator outlet probe fault P06 + P06
Compressor flow probe fault P07 + P07
Solar collector probe fault P08 + P08
High pressure protection E01 + E01
Solar/recirculation circuit alarm E02 +E02
Temperature not suitable for heat pump operation alarm
(With alarm active the water is heated only with heating element) PA +PA
No communication (with alarm active the equipment does not work) E08 + E08
Electronic fan fault E03 + E03
In case of any of the above faults, it is necessary to contact the manufacturer's technical assistance service, indicating
the error code shown on the display.
Page 27User, Installations and Maintenance Manual
8. COMMISSIONING
ATTENTION!: Check that the equipment has
been connected to the ground wire.
ATTENTION!: Check that the line voltage is that
indicated on the equipment rating plate.
CAUTION: The appliance can only be turned on
after it has been lled with water.
Proceed with the following operations for commissioning:
-Once the appliance is installed and all connections are per
formed (aeraulic, hydraulic, electrical, etc), it must be filled
with water from the domestic water supply network. In order
to fill the appliance, it is necessary to open the central tap
of the domestic network supply and the nearest hot water
tap, while making sure that all the air in the tank is gradually
expelled.
Do not exceed the max. permissible pressure indicated in the
"general technical data" section.
Check the water circuit safety devices.
Plug the unit into the power outlet.
When the plug is inserted, the boiler is in standby mode, the
display remains off, the power button lights up.
Press the ON/OFF button, the unit is activated in "ECO"
mode (factory setting).
In case of a sudden power outage, when restored the equip-
ment will restart from the operating mode prior to the interrup-
tion.
8.1 Query, editing operating parameters
This equipment has two distinct menus, respectively, for con-
sulting and editing the operating parameters (see “8.1.1 List of
equipment parameters”).
With the equipment operating, the parameters can be freely
consulted at any time by unlocking the buttons (see “7.1 Turn-
ing the water heater on and off and unlocking the buttons”) and
pressing the " " and "+" buttons together for 3 seconds. The
label of the first parameter is shown on the display with the letter
"A". Pressing the "+" button displays its value and, pressing this
button again, the label of the second parameter "B" is displayed,
and so on.
The entire parameter list can then be scrolled forward/back with
the "+" and "-" buttons.
Press the "ON/OFF" button to exit.
Editing one or more operating parameters can only be done
with the equipment in standby mode and requires the password
to be entered.
NB!: “Use of the password is reserved for qualified per-
sonnel; any consequences due to incorrect parameter
settings will be the sole responsibility of the customer.
Therefore, any interventions requested by the customer
from an authorized technical assistance center DAIKIN
during the standard warranty period, for product prob-
lems due to incorrect settings of password-protected pa-
rameters, will not be covered by the standard warranty.”.
With buttons unlocked, only in standby mode, press the " "
and "+" buttons together for 3 seconds to access the equipment
parameter editing menu (password protected: 35). The display
shows the two digits "00". Press the " " button. The digit "0"
on the left flashes and with "+" and "-" select the first number to
enter (3) and press " " to confirm. Proceed in the same way
for the second digit (5).
If the password is correct, the parameter P1 is displayed. Press-
ing the "+" button displays the default value of this parameter
which can be changed by pressing , and using the "+" and
"-" buttons it is possible to change the value within the permis-
sible range for this parameter. Then press to confirm and
the "+" button to continue with the other parameters.
After editing the desired parameters, press the on/off button to
save and exit.
The equipment now returns to standby mode.
Page 28 User, Installations and Maintenance Manual
8.1.1 List of equipment parameters
Parameter Description Range Default Notes
A Lower water temperature probe -30÷99°C Measured value Not modifiable
B Upper water temperature probe -30÷99°C Measured value Not modifiable
C Defrosting temperature probe -30÷99°C Measured value Not modifiable
D Supply-air temperature probe -30÷99°C Measured value Not modifiable
E Evaporator inlet gas temperature probe -30÷99°C Measured value / “0°C” if P33 = 0 Not modifiable (1)
F Evaporator outlet gas temperature probe -30÷99°C Measured value / “0°C” if P33 = 0 Not modifiable (1)
G
Compressor discharge gas temperature probe
0÷125°C Measured value / “0°C” if P33 = 0 Not modifiable (1)
H
Solar collector temperature probe (PT1000)
0÷150°C Measured value / “0°C” if P16 = 2 Not modifiable (2)
I EEV opening step 30÷500 Measured value / P40 value if
P39 = 1 Not modifiable (1)
J Power-board firmware version 0÷99 Current value Not modifiable
L User-interface firmware version 0÷99 Current value Not modifiable
P1 Hysteresis on lower water probe for heat-pump
working 2÷15°C 7°C Modifiable
P2 Electrical heater switching-on delay 0÷90 min 6 min Function excluded
P3 Antilegionella setpoint temperature 50°C÷75°C 75°C Modifiable
P4 Antilegionella duration 0÷90 min 30 min Modifiable
P5 Defrosting mode 0 = compressor stop
1 = hot-gas 1 Modifiable
P6 Electrical heater usage during defrosting 0 = OFF
1 = ON 0 Modifiable
P7 Delay between two consecutive defrosting
cycle 30÷90 min 45 min Modifiable
P8 Temperature threshold for defrosting start -30÷0°C -2°C Modifiable
P9 Temperature threshold for defrosting stop 2÷30°C 3°C Modifiable
P10 Maximum defrosting duration 3min÷12min 8 min Modifiable
P11 Water temperature probe value shown on the
display
0 = lower
1 = upper 1 Modifiable
P12 External pump usage mode
0 = always OFF
1 = hot-water recirculation
2 = Thermal solar system
1 Modifiable
P13 Hot-water recirculation pump working mode 0 = with heat-pump
1 = always ON 0 Modifiable
P14 Evaporator blower type (EC; AC; AC with dou-
ble speed)
0 = EC
1 = AC
2 = AC with double speed
0 Modifiable
P15 Type of safety flow switch for hot-water / solar 0 = NC
1 = NO 0 Modifiable
P16 Solar mode integration
0 = permanently deactivated
1 = working with DIG1
2 = Direct control of thermal solar
system
0 Modifiable (2)
P17 10÷60min 20 min Modifiable (2)Heat-pump starting delay after DIG1 opening
P18
Lower water probe temperature value to stop
the heat-pump in solar mode integration = 1
(working with DIG1)
20÷60°C 40°C Modifiable (2)
P19
Hysteresis on lower water probe to start the
pump in solar mode integration = 2 (direct
control of thermal solar system solar)
5÷20°C 10°C Modifiable (2)
Page 29User, Installations and Maintenance Manual
Parameter Description Range Default Notes
P20
Temperature threshold for solar drain valve
/ solar collector roll-up shutter action in solar
mode integration = 2 (direct control of thermal
solar system solar)
100÷150°C 140°C Modifiable (2)
P21 Lower water probe temperature value to stop
the heat-pump in photovoltaic mode integration 30÷70°C 62°C Modifiable
P22
Upper water probe temperature value to stop
the electrical heater in photovoltaic mode
integration
30÷80°C 75°C Modifiable
P23 Photovoltaic mode integration 0 = permanently deactivated
1 = activated 0 Modifiable
P24 Off-peak working mode
0 = permanently deactivated
1 = activated with ECO
2 = activated with AUTO
0 Modifiable
P25 Offset value on upper water temp probe -25÷25°C 0°C Modifiable
P26 Offset value on lower water temp probe -25÷25°C 0°C Modifiable
P27 Offset value on air-inlet temp probe -25÷25°C 0°C Modifiable
P28 Offset value on defrosting temp probe -25÷25°C 0°C Modifiable
P29 Antilegionella starting hour 0÷23 hours 23 hours Modifiable
P30 Hysteresis on upper water probe for electrical
heater working 2÷20°C 7°C Modifiable
P31 Heat-pump working period in AUTO mode for
heating rate calculation 10÷80 min 30 min Modifiable
P32 Temperature threshold for electrical heater
usage in AUTO mode 0÷20°C 4°C Modifiable
P33 Electronic-expansion valve (EEV) control 0 = permanently deactivated
1 = activated 0 Modifiable (1)
P34 Superheating calculation period for EEV
automatic control mode 20÷90s 30 s Modifiable (1)
P35 Superheating setpoint for EEV automatic
control mode -8÷15°C 4°C Modifiable (1)
P36 Desuperheating setpoint for EEV automatic
control mode 60÷110°C 88°C Modifiable (1)
P37 EEV step opening during defrosting mode
(x10) 5÷50 15 Modifiable (1)
P38 Minimum EEV step opening with automatic
control mode (x10) 3~45 9 Modifiable (1)
P39 EEV control mode 0= automatic
1 = manual 0 Modifiable (1)
P40
Initial EEV step opening with automatic control
mode / EEV step opening with manual control
mode (x10)
5÷50 25 Modifiable (1)
P41 AKP1 temperature threshold for EEV KP1 gain -10÷10°C -1 Modifiable (1)
P42 AKP2 temperature threshold for EEV KP2 gain -10÷10°C 0 Modifiable (1)
P43 AKP3 temperature threshold for EEV KP3 gain -10÷10°C 0 Modifiable (1)
P44 EEV KP1 gain -10÷10 2 Modifiable (1)
P45 EEV KP2 gain -10÷10 2 Modifiable (1)
P46 EEV KP3 gain -10÷10 1 Modifiable (1)
P47 Maximum allowed inlet temperature for heat-
pump working 38÷43°C 43°C Modifiable
P48 Minimum allowed inlet temperature for heat-
pump working -10÷10°C -7°C Modifiable

Produkspesifikasjoner

Merke: Daikin
Kategori: Kjeler & kjeler
Modell: EKHHE200PCV3

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