IO-Homecontrol HPWH 200 COZY Operating instructions

Documentation for
installation and
operation
HPWH 200 COZY
HPWH 200 COIL COZY
HPWH 270 COZY
HPWH 270 COIL COZY
Heat pump water heater

WARNINGS
This appliance is not designed for use by people (including children) of
reduced physical, sensory or mental capacity, or those ine perienced or not
understanding this manual unless they have received prior instruction or
supervision from someone responsible for their safety, about the use of the
appliance.
Children must be supervised to ensure they do not play with the appliance.
This appliance may be used by children of 8 years or over, and by people of
reduced physical, sensory or mental capacity, or those ine perienced or
ignorant if they are properly supervised or if they have been given
instructions about the safe use of the appliance, and made aware of the
associated risks. Children must not play with the appliance. Children must
not clean or maintain the appliance without supervision.
I STALLATIO
WAR I G: Product heavy, handle with care:
1/Install the appliance in a frost-free room. The warranty does not cover
destruction of the appliance through e cess pressure caused by a blockage in
the safety valve.
2/Ensure that the wall on which it is mounted can support the weight of the
appliance filled with water.
3/If the appliance has to be installed in a room or location with an ambient
temperature always above 35°C, this room must be ventilated.
4/Place the appliance in an accessible place.
5/Refer to the installation diagrams.
The size of space needed for the
appliance to be correctly installed
is specified in the chapter installation.
It is mandatory for the water heater
to be fi ed to the floor using the
fi ing attachment provided.
The user keep this manual
1

WARNINGS
WATER CO ECTIO
A new safety unit must be installed at the intake to the water heater, in a
frost-free environment, with dimensions of 3/4" and with pressure of 7 bar -
0.7 MPa, compliant with local regulations in force.
A pressure reducer (not supplied) is needed when pressure is more than 5
bar (0.5 MPa) and it will be placed on the main supply.
Connect the safety unit to a drain pipe kept in the open air, in a frost-free
environment, with a permanent downward gradient, to remove any
e pansion water from the heating process, or drainage water from the water-
heater.
The operating pressure of the heat e changer circuit must not e ceed 3 bar -
0.3 Mpa, and its temperature must not be higher than 85°C.
ELECTRIC CABLI G
Before removing the cover, always make sure that the power is turned off, to
prevent any risk of injury or electric shock.
There must be an omni-polar power cut-off (circuit-breaker or fuse) fitted
upstream of the electrical installation, compliant with local rules in force
(30mA differential circuit-breaker). The system must be earthed. A special
terminal, marked , is provided for the purpose.
French law strictly forbids connection of a product fitted with a cable and
plug.
MAI TE A CE - REPAIR
Drainage: Cut the power and cold water supplies, open the hot water valves
then operate the safety unit's drain valve.
The drainage device has a pressure limiting device that must be operated
regularly to remove any scale deposits and check it is not blocked.
If the power cable is damaged, the manufacturer, the after-sales service or
similarly qualified people must replace it, for safety's sake.
This manual is also available from the customer service department (contact
details shown on appliance). 2

Contents
OVERVIEW
1. Important recommendations
2. Content of package
3. Handling
4. Working principles
5. Technical data
6. Dimensions – structure
7. Parts list
INSTALLATION
1. Water heater installation
2. Uncased installation (ambient air)
3. Cased installation (2 ducts)
4. Semi-cased installation (1 duct on air e it)
5. Not Allowed configurations
6. Hydraulic connection
7. Air connection
8. Electric connection
9. Connection of optional equipment
10. Commissioning
Operation
1. Interface
2. Description of pictograms
3. Main menu
4. The operating modes
Maintenance
1. Advice to the user
2. Service
3. Open the water heater for maintenance
4. Trouble shooting
Warranty
1. Scope of warranty
2. Warranty conditions
4
4
4
5
5
6
7
8
9
9
10
11
12
13
14
16
17
18
21
25
25
25
26
27
28
28
28
29
30
33
33
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Overview Installation Operation Maintenance Warranty
Description
1. Important recommendations
1.1. Safety directives
Installation and commissioning work on thermodynamic water-heaters may pose hazards because of high-
pressure and live electrical parts.
Thermodynamic water heaters must be installed, brought into service and maintained by trained and
qualified personnel only.
1.2. Transport and storage
The product may be turned through 90° on one side. The side permitted is
shown clearly on an information label placed on the product packaging. The
product must not be turned on the other sides. An inclination indicator is used
to check that the product has been transported and handled in accordance
with our recommendations. We recommend you should be careful to respect
these instructions. Our commercial warranty will not apply if the inclination
indicator is red. We will not be responsible for any fault in the product
resulting from transport or handling of the product in a way that does not
comply with our recommendations.
2. Content of package
Water heater
1 tube for condensates (2m)
1 Manual
1 bag with insulation sleeve with 2 seals to be fitted to the
hot water outlet
Coil model only: an other additional insulation sleeve is
provided to be fitted to the recirculation fitting.
1 metal strap and screw to fi the device on the ground
1 safety valve to be installed on cold water pipe
(not to be used in France)
1 connection for evacuation of the condensates
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Overview Installation Operation Maintenance Warranty
3. Transport
The product integrates several handles to
facilitate handling to the installation site.
To transport the boiler to the installation
site, always use the lower grips and top
handles as shown.
4. Working principles
The heat pump water heater uses unheated air to heat
domestic hot water.
The coolant in the heat pump sets up a thermodynamic
cycle which allows the energy from the unheated ambient
air or the outside air to be transferred to the water in the
cylinder.
The air is passed through the device by a fan, ventilating the
various components including the evaporator.
As it passes through the evaporator, the coolant evaporates
and conveys calories to the intake air.
The compressor compresses the coolant causing its
temperature to rise.
This heat is transmitted by the condenser to the domestic
water stored in the cylinder.
The coolant e pands in the thermostatic e pansion valve
and cools down. It is then once again ready to receive heat
in the evaporator.
The colder the air, the harder it is to withdraw calories from
it. Similarly, the higher the hot water setting, the harder it is
for the heat pump to return the calories withdrawn
Observe the recommendations and handling on the packaging of the water heater.
☺ Positions accepted  Positions forbidden
Air flow
intake
Air flow
e haust
Hot water
connection
Cold water
connection
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Overview Installation Operation Maintenance Warranty
5. Technical data
Model 200 liters 270 liters
Dimensions ( Height Width Depth) mm 1609 620 665 1949 620 665
Empty weight (model without coil) kg 85 93
Empty weight (model with coil) kg 100 108
Nominal capacity L 200 270
Hot and cold water connection ¾ ″ M
Coil’s connection 1″ M
Coil’s heating surface m² 1,2
Coil’s power at TPrimary 60°C and flow 1,5m3/h kW 16
Anticorrosion system ACI Hybrid
Rated water pressure Bar 8
Electrical connection (voltage/frequency) - 230V single phase 50 Hz
Ma imal total power absorbed by the device W 2465
Ma imal power absorbed by the heat pump W 665
Power absorbed by the au iliary electrical unit W 1800
Heat pump water temperature setting range °C 50 to 62
Heat pump user temperature setting range (air temperature) °C -5 to +43
Duct diameter mm 160
Air flow (without duct) at low speed m3/h 300
Air flow (without duct) at high speed m3/h 390
Load losses acceptable on ventilation circuit, without affecting
performance Pa 25
Sound power level dB(A) 50,3
Sound pressure level at 2m dB(A) 33,5
R134a refrigerant capacity kg 1,25 1,35
Hot water quantity at 40° : V40td in 8h(Off-peak) L 312 347
Hot water quantity at 40° : V40td in 14h (Off-peak+6h) L 579 607
Performance at 7°C air temperature (E 16147)
Coefficient of performance (COP) - 2,8 2,9
Tapping cycle - L XL
Standby power input (Pes) W 27 30
Heating up time (th) h.min 7h54 10h41
Reference hot water temperature (Tref) °C 54 52,9
Flowrate (air) m3/h 305,7 287,6
This device is compliant with directives 2004/108/CEE on electromagnetic compatibility and 2006/95/CEE on low voltage.
6

G
Overview Installation Operation Maintenance Warranty
6. Dimensions
Ind MODEL 200
STD
200
ECH
270
STD
270
ECH
A Condensate outlet 1221 1221 1562 1562
B Total height 1609 1609 1949 1949
C Cold water inlet 304 462 304 462
D Hot water outlet 961 961 1300 1300
E Total width 620 620 620 620
F Total depth 665 665 665 665
GDistance between
air inlet and outlet 418 418 418 418
H Coil inlet - 581 - 581
B
A
D
C
E
F
60°
Dimensions in mm
H
104
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7. Parts list
1
2
3
5
4
6
7
8910
11
12
13 14
15
16
33
18
1
19
18 20
21
22
23
24
1 Adjustable inlet and outlet
2 Rear cover
3 Spoiler
4 Filter
5 Capacitor 15µF
6 TX valve
7 Fan scroll casing
8 Hot gas valve assembly
9 Pressure switch
10 Fan
11 Fan plate support
23 Front column
24 Lower column plug
25 ACI wire
26 Regulation controller PCB
27 Compressor wire
28 Water sensor wire
29 Electrical backup wire
30 Heat pump sensors wire
31 Fan wire
32 Controller wire
33 Compressor jacket cover
12 Capacitor 1,5µF
13 Capacitor 4µF
14 Terminal connection block
15 Front cover
16 Compressor
17 Compressor jacket
18 Guide support rail
19 Hybrid heating sleeve
20 Electrical heating element
21 Controller desk
22 Controller
17
2625
28
30
32
29
27
31
8

The device has to be installed on a flat and horizontal floor and
should not be in contact with a wall.
Overview Installation Operation Maintenance Warranty
Installation
Whatever installation configuration is selected the place of installation has to conform to the protection level
IP X1B, complying to the prescriptions of NFC 15-100 ( or local equivalent ).
The floor has to support a load of 400 kg minimum (surface below the water heater).
The non-respect of installation guidelines can cause poor performances of the system.
1. Product installation
The device has to fixed (according article 20 of EN 60335-1) on the ground with the supplied
dedicated metal strap.
It is mandatory to install a retention basin below the water heater if installed above a living area.
License plate placed
over the hot water pipe
has to be easily visible.
Before filling with water
the water heater has to
be levelled. Fi the water heater
with the supplied
metal strap.
Minimum height from ground to ceiling to
tilt the device :
200L : 1681mm
270L : 2007mm
9

2. Installation uncased (Ambient air).
670mm
mini
Overview Installation Operation Maintenance Warranty
Unheated room with ambient temperature > 5° C and insulate the heated
rooms of the dwelling.
Parameter « Air pipes » to be set on « Inner/Inner »
Recommended room = underground or partially underground, room where
average yearly temperature is > 10° C°.
Keep a free space of 500 mm in front of electric compartment and 300 mm around hydraulic
connections to allow easy access for maintenance.
E amples :
•Garage : recovery of free calories from combustion engine or of domestic
devices.
•Washing room : reduce humidity of the room and recover lost calories of
washing machine and dryer.
It is mandatory to respect indicated distances to prevent air looping .
Inner/Inner
Mini
200mm
Mini
100mm
Mini
200mm
Mini
400mm
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Overview Installation Operation Maintenance Warranty
3. Installation cased (2 ducts).
Room at minimum frost free (T > 1°C).
Parameter « Air pipes» to be set « Outer/Outer »
Recommended room : living area (the heat loss of the water heater
remains in heated area), close to e ternal walls. Avoid installation of water
heater and/or ducts near to sleeping rooms.
E amples :
•Washing room,
•Storage room,
•Cupboard in entry area.
670mm
mini
Keep a free space of 500 mm in front of electric compartment and 300 mm around hydraulic
connections to allow easy access for maintenance.
100mm
mini
Respect the maximum length of ducts. Use insulated rigid ducts.
Plan grids at air entry and exit to avoid intrusion of objects or animals.
Attention, entry or exit grids with manual closing device are forbidden.
Outer/Outer
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Overview Installation Operation Maintenance Warranty
4. Installation semi – cased (1 duct for air exit).
non heated room with ambient temperature > 5° C and insulated to the
heated rooms of the dwelling.
Parameter « Air pipes » to be set on « Inner/Outer ».
Recommended room = underground or partially underground, room where
average yearly temperature is > 10° C°.
The pressure reduction in the room generated by the air extraction causes fresh air entry through
doors and windows. Plan an air entry (Ø 160mm) from outside to avoid air sucking from heated
living area.
In winter time the renewed air can cool the room.
Keep a free space of 500 mm in front of electric compartment and 300 mm around hydraulic
connections to allow easy access for maintenance.
670mm
mini
E amples :
•Garage : recovery of free calories from combustion engine or of domestic
devices
•Washing room : reduce humidity of the room and recover lost calories of
washing machine and dryer.
Inner/Outer
12

5. Prohibited configurations
Overview Installation Operation Maintenance Warranty
• Water heater e tracting air from heated room.
• Connection to a heat recovery ventilation unit.
• Connection of the ducts to the attic.
• Duct on outside air and air e it indoor.
• Connection to an underground air duct.
• Water heater installed in a room together with a boiler connected to a chimney with natural draft and 1
duct to outside.
• Direct air connection to a cloth drying machine.
• Installation in dusty rooms.
• Intake of air with solvents or e plosive materials.
• Direct air connection to cooking hoods with polluted and fatty air.
• Installation in a room where freezing temperature can occur.
• Objects stacked on the top of the device.
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6. Hydraulic connection
Overview Installation Operation Maintenance Warranty
Cold water inlet is marked with a blue collar and the hot water outlet has a red collar. Both have a thread gas
dia. 20/27 (3/4").
For regions with a lot of scale (Th>20°f), we recommend to treat the water. The hardness after softener has to
be higher than 15°f. The use of a softener does not influence the warranty if the softener is approved for the
country of installation and set to the rules of art, with regular checking and maintenance.
Local criteria of drinking water quality have to be respected.
The use of a circulation loop should be restrained. Such an installation may disturbs the stratification
inside the tank. This triggers more working cycles for the heat pump and the potential use of the
electric backup heater.
6.1. Cold water connection
Before connection check that the piping is clean without any particles from installation.
The installation has to include a new safety valve set to 7 bar ( 0,7 Mpa ), compliant to EN 1487 and
connected directly on the cold water inlet.
o hydraulic device (stop valve, pressure reduction, flexible...) is allowed between the safety valve
and the cold water inlet of the water heater.
As water can flow from the safety valve the drain
should be kept in open air. In any type of installation
there should be a cold water stop valve, before the
safety valve.
The overflow of the safety valve has to be connected
to the used water evacuation through a siphon.
Installation has to be in a frost-free environment. The
safety valve has to be operated regularly to check the
working condition (1 - 2 times per month).
The installation should be equipped with a pressure
reduction if the main water supply pressure is higher
than 5 bar (0,5 MPa). The pressure reducing device
has to be installed at the beginning of the distribution
network (before the safety valve). We recommend a
supply pressure of 3 - 4 bar (0,3 to 0,4 MPa.
☺OK ☺ OK
 KO
Pressure reduction
Water supply
Safety valve
Cold water
inlet
Siphon
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6.2. Hot water connection
Overview Installation Operation Maintenance Warranty
If the installation is made with synthetic pipes (e.g. : PER, multi-layer…), install mandatory a
thermostatic control valve at the connection pipes of the water heater. The setting should be done in
relation with the specification of the installed piping.
Do not connect copper tubes directly on the tank connection. You have to fit the supplied insulation
union (included in the supply).
In case that the tank connection is corroded without this protection the warranty will not apply.
The use of a siphon to connect to sew water is mandatory (the siphon must not be made with the
supplied tube).
6.5. Condensate evacuation
Depending on the degree of humidity in the air you can get
up to 0,25l/h of condensation. The evacuation of condensate
should not been made directly to sew water because of
possible corrosive gasses damaging the e changer fins and
water heater parts.
The temperature drop of the air passing through the exchanger forms condensation from humidity
in the air. The condensed water is evacuated on the rear of the tank using the supplied plastic tube.
6.3. Connection of circulation loop
Do not connect copper tubes directly on the tank connection. You have to fit the supplied insulation
union (included in the supply).
In case that the tank connection is corroded without this protection the warranty will not apply.
If the circulation connection is not used install the plug and seal on this connection (included in the
supply).
6.4. Connection of primary circuit (for water heater with coil)
Protect the circuit against over pressure due to water expansion during heating with a safety valve 3
bar – 0,3MPa, or an expansion vessel open type (atmospheric pressure) or a closed expansion vessel.
The nominal circuit pressure should not exceed 3 bar – 0,3MPa, the temperature not higher than
85°C. If the coil is connected to solar panels use an adapted water glycol mix to protect against frost
and corrosion : e.g. « TYFOCOR L ». If the circuit is equipped with stop valves on the coil entry and
exit do never close both valves simultaneously to avoid the risk of over-pressure in the coil.
15

7. Air connection
Overview Installation Operation Maintenance Warranty
If the volume of the installation room is not sufficient the water heater can be connected to ducts with a
diameter 160 mm. If the ducts are not insulated this could generate condensation in the ducts during
operation. The use of insulated ducts is mandatory.
If the water heater is ducted the parameter setting has to be adapted.
The total pressure drop of ducts and accessories for air intake and exit has to be less than 150 Pa.
The recommended length of ducts has to be respected.
Position of the air intake and exit.
❶ Unscrew the fi ing
screws of the air
connection, then turn in
the required direction.
❸ Rotate again by
120°, position to the
opposite sides.
❷ Rotate by 120°,
position to the rear.
A poor duct installation (duct compressed, length or number of bends too high…) can reduce the
performance. Thus the use of flexible ducts is not recommended.
The ducts can be fitted
directly on the
positionable air in-
/outlets.
EXIT
Note : The positionable air connections allow to reduce or avoid the duct bends. For further information on the
positionable air connections, see the § « Positioning of the water heater ».
❹ Do not position the
air connection partially
face to face.
Position not allowed as
cold air will be recycled !
☺ ☺ 
umber of bends 90° Total duct length with air intake and exit (ATL catalogue)
ALUMI IUM SEMI RIGID PEHD;;;;;;;;;;;;;;
0 8m 19m
1 7m 16m
2 5m 12m
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Overview Installation Operation Maintenance Warranty
8. Electric connection
Refer to the electric connections diagram below and on page 34.
ever supply power directly to the heating element.
The water heater must not be switched on before complete filling with water.
The water heater must be connected to electricity supply permanently.
The water heater has to be connected on single phase 230 V alternative current. Connect the water heater
with a cable with rigid conductors with section of 1,5 mm². The installation is composed of :
•A 16A omni-polar circuit breaker with contacts opening at minimum 3mm,
•A 30mA differential circuit breaker.
If the power cable is damaged, the manufacturer, the after-sales service or similarly qualified people must
replace it, to avoid danger.
The security thermostat fitted to the au iliary electric heating element must not be repaired in other places
as our factory. Failure to respect this clause invalidates the warranty.
The device must be installed in accordance with the national electrical installation rules.
3x 1,5mm²
16A
Connection to earth is mandatory.
Electric connection diagram
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Overview Installation Operation Maintenance Warranty
9. Connection of optional equipment
Water heaters with a coil can be connected to a gas / fuel oil
boiler. In this configuration, the water heater commands the
heat generation to the boiler.
The connection of the boiler has to be made on the contacts C1
and C2 of the wiring board.
Always switch-off power before any operation.
9.1. Connection to a boiler.
A dedicated cable channel exists for the connections. Please use it.
To access the wiring board read the instructions to remove the front cover.
When associated with a photovoltaic system you can store the
e cess energy produced in the water heater as hot water. Once
the photovaltaic panels produce enough energy, the inverter
sends a signal to the water heater which switchs into a special
mode ( PV ) activating the heat pump. If the inverter signal stops,
the water heater switches automatically back to the previous
operating mode. In this PV mode the set temperature is changed
to 62 ° C (no modification possible) and on the display appears
«PV».
The water heaters linked to a photovoltaic installations has to be
connected to the inverter module.
The connection to the inverter is done with B1 and B2 of the
wiring board.
9.2. Connection of a photovoltaic station.
Diagram potential 2 0V
Diagram dry contact
Electric power supply
Boiler connection
dry contact
A1
A2
B1
B2
C1
C2
Power supply
Photovoltaic connection
contact 2 0V~
A1
A2
B1
B2
C1
C2
Power supply
Photovoltaic
connection
dry contact
A1
A2
B1
B2
C1
C2
A1
A2
B1
B2
C1
C2
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Overview Installation Operation Maintenance Warranty
Photovoltaic connection: contact 230V
Photovoltaic connection: dry contact
Electricity supplier
Signal 230V~ - 50Hz
Power threshold (mini) = 700W
Inverter PV panels
Signal 230V~ - 50Hz
Available power
Connect
to
B1 B2
Junction
box
Electricity supplier
Signal 230V~ - 50Hz
Power threshold (mini) = 700W
Inverter
PV panels
Dry contact
Available power
Connect
to
B1 B2
Junction
box
19