Fujitsu AOYA18LALL User manual

Document n° 1350-2 ~ 15/01/2009
Fujitsu General (Euro) GmbH
Werftstrasse 20
40549 Düsseldorf - Germany
Subject to modifications without notice.
Non contractual document.
Heat pump air/water
split single service
Installation and
operating manual
intended for professionals
To be saved
for future consultation
FR EN NL IT DE

2Installation and operating manual “1350-EN”
Heat pump, Split, single service
Packing list
Heat pump Outside unit Hydraulic module
Designation Code Model Code Model Code
AOYA18LALL WSYA 050 DA 023600
AOYA18LALL WSYA 065 DA 023601
AOYA24LALL WSYA 080 DA 023602
AOYA30LBTL WSYA 095 DA 023603
AOYA45LATL
AOYA45LBTL WSYA 128 DA 023604
AOY54LJBYL WSYA 155 DA 023605
Optional equipment
•2nd circuit kit (UTW-KZSXA)
- for connecting 2 heating circuits
•DHW kit (UTW-KDWXA)
- for connecting a DHW tank (with built-in electrical
backups)
•Boiler connection kit (UTW-KBSXA)
- for connecting a boiler to the heat pump
•Room thermostat (UTW-C55XA)
- For correcting the ambient temperature
•Remote control (UTW-C75XA)
- For correcting the ambient temperature and
programming the heat pump.
•Cooling kit (UTW-KCLXA)
•Swimming pool kit (UTW-KSPXA)
•High flow rate circulating pump kit (UTW-PHFXA)
For the installation of 1 circuit floor heating with
model 128 and 155
•Cooling kit (UTW-KCHXA) compatible with high flow
rate circulating pump (128 and 155)
Scope of application
This heat pump provides:
-Heatinginwinter,
-Control of two heating circuits*,
-Production of domestic hot water* (provided that
combined with a DHW tank).
-Coolinginsummer*.
- Installation with boiler connection as a
supplementary heating for the coldest days*.
* : These options require the use of additional kits
(see § “Optional equipment”).

Installation and operating manual “1350-EN” 3
Heat pump, Split, single service
Contents
Description of the unit ....................................P.4
Package..................P.4
Definitions.................P.4
Specifications...............P.5
Heatingpowercurve...........P.6
Description................P.11
Operatingprinciple ...........P.12
Installation..........................................P.14
Regulation installation and maintenance
conditions . ...............P.14
Unpacking and reservations . . . . . . P. 14
Receipt.................... P.14
Handling ................... P.14
Accessoriesprovided.............P.14
Installationposition...........P.14
Installationoftheoutsideunit .....P.14
Installationprecautions ...........P.14
Outsideunitpositioning ...........P.16
Condensate drain hose............P.16
Installing the hydraulic module .....P.17
Installationprecautions ...........P.17
Positioning the hydraulic module.......P.17
Refrigeration connections. . . .....P.18
Rulesandprecautions............P.18
Refrigeration connections ..........P.18
Creatingtheflarings.............P.18
Shaping the refrigeration pipes .......P.19
Connecting the flared connections .....P.19
Filling the installation with gas .....P.21
Creating a vacuum and filling the refrigeration
connections with gas .............P.21
Sealingtest..................P.21
Additional charge ...............P.22
Connecting
the heating circuit hydraulically . . . . P. 23
General .................... P.23
Rinsingouttheinstallation..........P.23
Filling and purging the installation ......P.23
Electrical connections . . . . . . . . . P. 24
Characteristic of the electrical supply ....P.24
General remarks on electrical connections . P. 24
Overview of all the electrical connections . . P. 25
Cablesectionandprotectionrating.....P.25
Electrical connections on outside unit side . P. 26
Electrical connections on the hydraulic module
side...................... P.27
Outdoor sensor . . . . . . . . . . . . . P. 29
Room thermostat and/or remote control P. 29
Start-up .................P.30
Configuring the room thermostat . . . . P. 30
Configuring remote control . . . . . . . P. 30
Regulationsystem .....................................P.31
User interface and remote control
(Option).................P.31
Roomthermostat(Option) .......P.32
Temperaturecontrol...........P.32
Manual adjustment ...........P.32
Self-adaptation .............P.32
Parametering the setting . . . . . . . . P. 34
General .................... P.34
Settingparameters..............P.34
List of function lines
(settings, diagnosis, status) .........P.34

4Installation and operating manual “1350-EN”
Heat pump, Split, single service
Configuringtheinstallation................................P.46
Configuration 1, 2, 3 or 4:
heat pumps with electric back-ups . . P. 47
Hydraulic connections ...........P.47
Electrical connections ..........P.47
Parameteringthesetting .........P.47
Specialcases...............P.47
Electricalwiringdiagrams.................................P.52
Troubleshooting ......................................P.57
Faults displayed on hydraulic module . P. 57
Faults displayed on the outside unit . . P. 58
Informationdisplay...........P.59
Instructionsfortheuser..................................P.60
1Description of the unit
1.1 Package
•1 package: Outside unit
•1 package: hydraulic module and outdoor sensor
1.2 Definitions
Split: The heat pump consists of two elements (an
outside unit for outside and a hydraulic module for
inside the dwelling).
Air/water: The surrounding air is the energy source.
This energy is transmitted to the water in the heating
circuit by the heat pump.
Inverter: the fan and compressor speeds are
modulated according to the heating requirements.
This technology enables you to save on energy and
operate on a single-phase power supply, whatever
the heat pump’s output, by avoiding heavy intensities
on start-up.
COP (coefficient of performance): this is the
relationship between the energy transmitted to the
heating circuit and electrical energy consumed.

1.3 Specifications
Designation, Model ........................050 ....065 ....080 ....095 ....128 ....155
Nominal heating performances (outside temperature/ initial temperature)
Heat output
+7 °C / +35 °C - Floor heating system ....kW......5.....6,5.....8.....10,3....12,8....15,5
-7 °C / +35 °C - Floor heating system ....kW......4,8.....5,6.....7.....8,1.....11.....13,8
+7°C/+45°C-Lowtemperatureradiator .kW.....4,15 ....5,4.....6,2.....8,3.....9,7 ....13,3
-7°C/+45°C-Lowtemperatureradiator..kW.....4,05 ....5,1.....5,9.....7,3.....8,3.....11
Power absorbed
+7 °C / +35 °C - Floor heating system ....kW.....1,16....1,63....1,88....2,57....3,12....3,88
-7 °C / +35 °C - Floor heating system ....kW.....1,75....2,24....2,54....3,52....3,79 ....5,3
+7°C/+45°C-Lowtemperatureradiator..kW.....1,15....1,61....1,88....2,51....3,13....4,09
-7°C/+45°C-Lowtemperatureradiator..kW.....1,72....2,32....2,62....3,48....4,61....5,37
Nominal coefficient of performance (COP)
(+7°C/+35°C) ..................-......4,3.....4.....4,25.....4.....4,1.....4
Electrical characteristics
Supply voltage (50 HZ) ...............V .....230 ....230 ....230 ....230 ....230 ....230
Maximumstart-upcurrentoftheappliance ....A.....10,5....10,5....12,9....15,3....22,6....25,9
Nominalintensity ..................A......8,3.....8,3 ....10,6....11,7....16,7....20,6
Maximumcurrentoftheelectricalback-ups....A......13.....13.....13.....26,1....26,1....26,1
Poweroftheelectricalback-ups.........kW......3......3......3......6......6......6
Real power absorbed
-Bythefan ...................W......54.....54.....65.....103....2x103...2x103
-Bythecirculationpump............W .....113 ....113 ....113 ....113 ....151 ....151
Maximum power absorption
-Bytheoutsideunit...............W.....2600 ....2600 ....2930 ....3500 ....5150 ....5900
Hydraulic circuit
Maximum operating pressure ...........bar......3......3......3......3......3......3
Hydraulic system flow rate
4°C<Dt<8°C (nominal conditions)
-minimum .....................l/h .....540 ....600 ....860....1000 ....1380 ....1670
-maximum.....................l/h.....1100 ....1400 ....1700 ....2100 ....2700 ....3300
Various
Weightofoutsideunit ...............kg......40.....40.....44.....64.....98.....105
Noiselevelat5meters(outsideunit).......dB......39.....39.....40.....41.....40.....40
Weight of hydraulic module (empty/full of water). kg....52,5/77,5.52,5/77,5.52,5/77,5.52,5/77,5.52,5/77,5.52,5/77,5
Water capacity of the hydraulic module .......l......25.....25.....25.....25.....25.....25
Heating system operating limits
Exteriortempmini/maxi..............°C ....-15/+24..-15/+24..-15/+24..-15/+24..-15/+24..-15/+24
Initial max. heating water temperature
- Floor heating system ..............°C......45.....45.....45.....45.....45.....45
-Lowtemperatureradiator ...........°C......52.....52.....52.....52.....52.....52
Initial min. heating water temperature.......°C......8......8......8......8......8......8
Refrigeration circuit
Diameterofgaspipes.............inches......1/2.....1/2.....5/8.....5/8.....5/8.....5/8
Diameteroffluidpipes.............inches......¼ .....¼ .....¼.....3/8.....3/8.....3/8
Factory charge of refrigerant R410A ........g.....1250 ....1250 ....1700 ....2100 ....3350 ....3400
Maximum operating pressure ...........bar......45.....45.....45.....45.....45.....45
Minimum length of pipes ..............m......0......0......5......5......5......5
Maximum length of pipes* .............m......10.....10.....15.....20.....20.....20
Maximum length of pipes** .............m......20.....20.....30.....40.....40.....40
Maximumleveldifference**.............m......15.....15.....20.....30.....30.....30
*Factory charge of refrigerant R410A
** Taking into account the possible additional load of
refrigeration fluid R410A (see p. 22)
Installation and operating manual “1350-EN” 5
Heat pump, Split, single service

6Installation and operating manual “1350-EN”
Heat pump, Split, single service
5
1,00
2,00
3,00
4,00
5,00
6,00
7,00
8,00
-20 -15 -10 -5 0 5 10 15 20
Outside temperature (°C)
Power (kW)
Floor heating system
Very low temperature radiator
Heat output
Power absorbed
6
1,00
2,00
3,00
4,00
5,00
6,00
7,00
8,00
9,00
10,00
-20 -15 -10 -5 0 5 10 15 20
Outside temperature (°C)
Power (kW)
Heat output
Power absorbed
Floor heating system
Very low temperature radiator
8
1,00
2,00
3,00
4,00
5,00
6,00
7,00
8,00
9,00
10,00
11,00
-20 -15 -10 -5 0 5 10 15 20
Outside temperature (°C)
Power (kW)
Heat output
Power absorbed
Floor heating system
Very low temperature radiator
1.4 Heating power curve Values according to standard EN 14511, for which it is necessary
to add the power absorbed by the heating circulation pump
080
065
050

Installation and operating manual “1350-EN” 7
Heat pump, Split, single service
10
1,00
3,00
5,00
7,00
9,00
11,00
13,00
-20 -15 -10 -5 0 5 10 15 20
Outside temperature (°C)
Power (kW)
Heat output
Power absorbed
Floor heating system
Very low temperature radiator
13
1,00
3,00
5,00
7,00
9,00
11,00
13,00
15,00
17,00
19,00
-20 -15 -10 -5 0 5 10 15 20
Outside temperature (°C)
Power (kW)
Heat output
Power absorbed
Floor heating system
Very low temperature radiator
16
1,00
3,00
5,00
7,00
9,00
11,00
13,00
15,00
17,00
19,00
21,00
-20 -15 -10 -5 0 5 10 15 20
Outside temperature (°C)
Power (kW)
Heat output
Power absorbed
Floor heating system
Very low temperature radiator
155
128
095

8Installation and operating manual “1350-EN”
Heat pump, Split, single service
Figure 1 - Dimensions in mm
540
66790
10
347
300
189
177
578
320
121 184
A
B
A
B
S8
S5
S6
1/4” 1/4”
1/2” 5/8”
Top view
Front view
Sight of lower part
Overflow hole (Ø 20) 4 Holes Ø 10)
AIR
Side view
AIR
050
065 080
FOutside unit,
Model 050, 065, 080
77900
830
21
9
400
33031 12
196
147
170
99
3/8”
5/8”
370
650
AIR
Front view
Side view
Top view
AIR
Overflow hole (Ø20) 4 Ø10)Holes
Sight of lower part
FOutside unit,
Model 095

Installation and operating manual “1350-EN” 9
Heat pump, Split, single service
Figure 2 - Dimensions in mm
31 77900330 12
9
400
650
21
1290
147
170
196
370
99
3/8”
5/8”
Air
Overflow hole (Ø20) 4 Ø10)Holes
Top view
Front view
Sight of lower part
Side view
Air
Air
FOutside unit,
Model 128, 155
480
88
235
450
1034
1000
Front view Side view
Heating flow
ØM 26x34
Heating return
ØM 26x34
Figure 3 - Dimensions in mm
FHydraulic module

10 Installation and operating manual “1350-EN”
Heat pump, Split, single service
Fig. 4 - Hydraulic pressures and flow rates available
Fig. 5 - Ohmic values of the sensors
(Hydraulic module)
0,8 11,2 1,4 1,6
0
100
200
300
400
500
600
mbar
1 mbar = 10 mmCE = 100 Pa
1,8
m/h
3
0,60,4
1
2
3
0
2500
5000
7500
10000
12500
15000
17500
20000
22500
25000
27500
30000
32500
0 10203040 5060 708090100
°C
Ω
10 k 25°CΩ,
-50
1000
10000
43907
2490
338
-25 0 25 50 75
°C
Ω
1k 25°CΩ,
Outdoor sensor QAC34
Condensation sensor
Heat pump return sensor
Heat pump flow sensor
10000
1000
100
10
1
-20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130
Ω
Ohmic value (k )
- Evaporator outlet
- Evaporator centre
- Compressor casing
- Outside
- Compressor
- Discharge
Temperature °C
Fig.6 - Ohmic values of the sensors (outside unit)

1.5 Description
Installation and operating manual “1350-EN” 11
Heat pump, Split, single service
Figure 7 - Outside unit components
FModel 050, 065, 080 FModel 128, 155
13
12
12 1110
9
8
7
6
5
4
3
13 12
12 1110
9
8
7
6
5
3
FModel 095
13
12
12 1110
9
8
7
6
5
4
3Legend
1 - Low-noise, high-output coil
2 - Electric variable speed "inverter" motor
3 - "Inverter" control module
4 - Vacuum start (pump down) and control light
5 - Connection terminal blocks (power and
interconnection)
6 - Refrigerant accumulator bottle
7 - Cycle reversing valve
8 - Anti-corrosion treated bodywork
9 - Electronic expansion valve
10 - Noise and temperature insulated "inverter"
compressor
11 - Refrigeration connection valves (flared
connectors) with protective caps
12 - Holding tank with condensate drain hole
13 - High-performance exchange surface
evaporator; anti-corrosion treated hydrophilic
aluminium fins and grooved copper tubes.

12 Installation and operating manual “1350-EN”
Heat pump, Split, single service
1
2
3
4
5
678
9
10
11
12
13 14
15
16
Front view Side view
Identification plate
Figure 8 - Hydraulic module components
Legend
1 - Electric box
2 - Regulator / User interface
3 - Start/stop switch
4 - Heating circulation pump
5 - Initial heating
6 - Gas refrigeration connection
7 - Fluid refrigeration connection
8 - Heating return
9-Drainvalve
10 - Safety valve
11 - Safety thermostat ()
12 - Manometer
13 - Manual drainer
14 - Expansion vessel
15 - Condenser
16 - Electric back-ups
1.6 Operating principle
The heat pump transmits the energy contained in the
surrounding air into the dwelling to be heated.
The heat pump consists of four main elements, in
which a refrigerant fluid (R410A) circulates.
-In the evaporator (rep. 13, fig 7, page 11): The
energy is taken from the surrounding air and is
transmitted to the refrigerant.
-Because it has a low boiling point, it changes from
the liquid state to the vapour state, even in cold
weather (down to -15 °C outside temperature).
-In the compressor (rep. 10, fig 7, page 11): The
vaporised refrigerant brought to high pressure and
takes on more calories.
-In the condenser (rep. 15, fig 8, page 12): The
energy in the refrigerant is transmitted to the
heating circuit. The refrigerant returns to liquid
state.
-In the expansion valve (rep. 9, fig 7, page 11): The
liquefied refrigerant is brought back to low pressure
and returns to its initial temperature and pressure.
The heat pump is equipped with a controller, which
controls the internal temperature based on the
outside temperature measurement and governed by
the temperature control.
The room thermostat (optional) provides a corrective
action for the temperature control
The hydraulic module is equipped with an electric
back-ups system, which is triggered to provide
additional heat during the coldest periods.
Regulation functions
-The heating circuit’s initial temperature is controlled
by the temperature control.
-The power of the outside unit is modulated
according to initial heating temperature via the
“inverter” compressor.
-Control of the electric back-up heating.
-The daily timer program enables you to define the
periods for comfortable or reduced ambient
temperature.
-Summer/winter mode switchover is automatic.
-Control of the supplementary boiler* (the electric
back-ups are deactivated).
-The room thermostat* (optional) provides a
corrective action for the temperature control
-Control of a second heating circuit*.
-Domestic hot water: Heating time programme,
control of the operation of the DHW circulation
pump.
-Control of swimming pool heating*.
Protection functions
-Anti-legionella cycle for domestic hot water.
* If the heat pump is equipped with optional
equipment and the associated kits.

Domestic hot water (DHW) operating principle
Two domestic hot water (DHW) temperatures can be
parametered: comfort temperature (line 1610 to 60
°C) and reduced temperature (line 1612 to 40 °C).
Setting for reduced temperature can be useful to
prevent the DHW from switching on too often and for
too long during the day.
The production of domestic hot water (DHW) is
triggered when the temperature in the tank falls 7°C
(setting from line 5024) below the set temperature.
The heat pump produces the domestic hot water,
which is then supplemented, if required, by electrical
backup heating from the tank.
Depending on how the parameter (1620) is set,
comfort temperature can be reached 24h/day or only
at night or depending on the heat pump programme.
If the contract concluded with the energy provider
includes a subscription to day/night tariff, the
electrical backup is subordinate to the supplier’s
power tariff and the comfort temperature may only be
reached at night.
If no particular contract is concluded, the comfort
temperature can be reached at any time, including
during the day
The production of DHW takes priority over heating;
nevertheless the production of DHW is controlled by
cycles that control the times assigned to the heating
and the production of DHW in the event of
simultaneous demand.
A DHW “ boost” function is available on the front of
the user interface (see ref. 1, fig. 39, p 31).
This DHW boost enables the DHW to be heated to
the comfort temperature at any time during the day.
The boost function is cancelled automatically when
the demand for hot water has been met.
If the heating installation is equipped with a DHW
circulation pump, the pump’s operation during DHW
cycles can be parametered.
Anti-legionella cycles can be programmed.
Installation and operating manual “1350-EN” 13
Heat pump, Split, single service
Ev
Dt
Cn
Cp
PAC
1kW
COP 4
4kW
20 °C
Electrical
energy
consumed
Energy from the air
Heat produced
Heat produced
Figure 9 - Heat pump operating principle
PAC - Heat pump
Ev - Evaporator
Cp - Compressor
Cn - Condenser
Dt - Expansion valve

2Installation
2.1 Regulation installation and
maintenance conditions
The appliance must be installed and the maintained
by an approved professional in accordance with the
prevailing regulations and code of practice, in
particular:
The legislation on the handling of refrigerants.
2.2 Unpacking and reservations
2.2.1 Receipt
Carefully check, in the carrier’s presence, the
general appearance of the appliances and check
that the outside unit is not laid on its side or back.
In the case of any dispute, state any appropriate
reservations to the carrier in writing within 48 hours
and send a copy of this letter to the After-Sales
service.
2.2.2 Handling
The outside unit should not be laid on its side or back
during transport.
Laying the unit down during transport is likely to
damage the internal tubes and the compressor
suspensions.
Any damage caused by transportation of the unit
lying down is not covered by the warranty.
If necessary the outside unit may be tilted only during
manual handling (to go through a door or use a
staircase).
This operation must be conducted very carefully and
the appliance must be immediately restored to
upright position.
2.2.3 Accessories provided
Accessories provided with the outside unit
(figure 10).
Accessories provided with the hydraulic module
(figure 11)
2.3 Installation position
The choice of the position for installation is
particularly important insofar as any later movement
is a delicate operation requiring the intervention of a
qualified person.
Choose the site of the outside unit and the hydraulic
module after discussion with the customer.
Observe the maximum and minimum distances
between the hydraulic module and the outside unit
(Figure 13); the guarantee of the performances and
the system’s service life depend on this.
2.4 Installation of the outside unit
2.4.1 Installation precautions
FThe outside unit must only be installed
outside (outdoors). If a shelter is required, it
must have broad openings on the 4 walls and
observe the installation clearances (fig. 12).
•Choose a site that is preferably sunny and sheltered
from strong cold predominant winds (mistral,
tramontana, etc…).
•The unit must be easily accessible for future
installation and maintenance work (fig. 12).
•Ensure that it is possible to make the connections to
the hydraulic module easily.
14 Installation and operating manual “1350-EN”
Heat pump, Split, single service
13
24
Figure 10 - Accessories provided
with the outside unit
8
5 6 7
Figure 11 - Accessories provided
with the hydraulic module
1 Elbow For draining away the
condensates
2
Plug (x 2)
(Depending
on the model)
3
Flexible
insulation
plate
For filling the empty
space at the input to the
interconnection cable
4Hex / Allen
key To open the valves
5 Bracket To secure the
hydraulic model
6 Outdoor sensor To monitor the
outside temp
71/2" - 5/8" and/or
1/4" - 3/8" adapter To connect the
flared connection
and the hydraulic
model
8Nut (1/2" and/or)
1/4"

Installation and operating manual “1350-EN” 15
Heat pump, Split, single service
AIR
100 mm 100 mm
600 mm
100 à300 mm
300 mm
300 mm
250 mm
For access
250 mm
For access
250 mm
For access
AIR
AIR
AIR
minimum
600 mm
AIR
Figure 12 - Minimum installation clearances around outside unit
(All models)
•The outside unit is able to withstand bad weather
but avoid installing in a position where it is likely to
be exposed to significant dirt or flowing water (under
a defective gutter for example).
•Water may drain away from the outside unit when it
is operating. You can let this defrosted water run off
over a gravel or sand bed or a concrete slab with a
diamond point and a sinkhole in the ground. If the
installation is in an area where the temperature can
be lower than 0°C for a long period, check that the
presence of ice does not present any danger. A
drainage pipe can also be connected to outside unit
(see § 2.4.3, page 16).
•Nothing should obstruct the air circulation through
the evaporator and from the fan (fig. 12).
•Keep the outside unit away from heat sources and
inflammable products.
•Make sure the appliance not disturb the surrounding
area or users (noise level, draught generated, low
temperature of the air being blown out, with the risk
of freezing plants in its path).
The surface receiving the outside unit must be able
generally to support its weight; provide a solid fixing
and do not transmit any vibration to the dwelling.

Anti-vibratory blocks are available, please consult
your retailer (Atlantic).
2.4.2 Outside unit positioning
The outside unit must be raised at least 50mm above
the ground. In snowy areas, this height must be
increased (figure 14)
Fasten the outside unit by means of screws and
rubber tightening or toothed lock washers to avoid
their coming loose.
2.4.3 Condensate drain hose
(see figure 14).
If the use of a discharge pipe is imperative:
Use the elbow provided (C) to connect a
16mm-diameter hose for draining away the
condensate.
Use the stopper or stoppers provided (B)toblockthe
opening of the condensate tank.
Allow for the condensate to flow away under the
force of gravity (waste water, rain water, gravel bed).
FIf the installation is made in an area where the
temperature can be lower than 0°C for a long
period, provide the drain pipe with a trace
resistance to avoid it icing up. The trace
resistance must heat not only the pipe but
also the bottom of the appliance’s
condensate collection tank.
16 Installation and operating manual “1350-EN”
Heat pump, Split, single service
PAC
Unitéextérieure
PAC
Module
hydraulique
DL
mini
5m
Figure 13 - Pipe diameters (in inches) and permissible lengths (in metres)
Heat pump Gas and fluid conduits
model Gas Fluid Minimum
length (L)
*Maximum
length (L)
**Maxi level
difference (D)
050
065 1/2" ¼" 0 10 15
080 5/8" ¼" 5 15 20
095
128
155
5/8" 3/8" 5 20 30
*: Without additional charge of R410A
** : Taking into account the possible additional load of refrigeration fluid R410A (see
§ 2.7.3, page 22).
S
B
C
BH > 50 mm
*
(Ø12 mm)
(Ø10 mm)
Depending on the model
Depending on the model
* In regions subject to frequent snow,
(H) must be greater than the average snow layer
.
4 holes
4 holes
Figure 14 - Positioning of the outside unit, draining
away the condensate

2.5 Installing the hydraulic module
2.5.1 Installation precautions
•The room in which the appliance operates must
comply with the prevailing regulations.
•To facilitate maintenance and to allow access to the
various components, we recommend that you
provide sufficient space all around the hydraulic
module (figure 15).
•Be careful not to bring inflammable gas near to the
heat pump during its installation, in particular when
it requires brazing
The appliances are not fireproof and should not
therefore be installed in a potentially explosive
atmosphere.
2.5.2 Positioning the hydraulic module
-1, 2, 3 : Remove the front panel (2 screws A, figure 16)
-4, 5 : Remove the sides (4 screws B, figure 17).
-Fix the support solidly (3 screws and plugs) to a flat,
hard-wearing wall (not a light partition) ensuring
that it is correctly levelled.
-Hook the appliance onto its support.
-Refit the sides.
-Refit the front facing.
Installation and operating manual “1350-EN” 17
Heat pump, Split, single service
200 mm
1000 mm
150 mm
150 mm
Figure 15 - Minimum installation clearances
around the hydraulic module and distances to the
combustible partitions
1
3
2A
Figure 16 - Removing the front facing
90 mm
(S)
505 mm
240 mm
150 mm
200 mm
305 mm
Figure 17 - Removing the sides and fixing the support (S)
B
B
(S)
5
5
4

2.6 Refrigeration connections
FThis appliance uses refrigerant R410A.
Comply with the legislation for handling refrigeration
fluids.
2.6.1 Rules and precautions
•After every intervention on the refrigeration circuit
and before final connection, take care to replace the
plugs in order to avoid any pollution from the
refrigeration circuit.
•Tools
Set of manometers with hoses exclusively reserved
for HFCs (Hydrofluorocarbons).
Vacuum pump specially for HFCs.
Provision on using tools that have been in contact
with HCFCs (R22 for example) or CFCs.
Use of a traditional vacuum pump is authorized if,
and only if, it is fitted with a non-return valve on the
suction side.
The manufacturer declines any liability with regard to
the guarantee if the above instructions are not
observed.
•Flared connections
FLubrication with mineral oil (for R12, R22) is
forbidden.
-Only lubricate with polyolester refrigeration oil
(POE). If POE is not available, fit without
lubrication.
•Brazing on the refrigeration circuit (if
necessary)
-Silver brazing (40% minimum recommended).
-Brazing only under dry nitrogen internal flux.
•To eliminate any filings in the pipes, use dry nitrogen
to avoid introducing any humidity that may
adversely affect the appliances operation. In
general, take every precaution to avoid humidity
penetrating into the appliance.
Proceed to insulate the gas and liquid pipes to avoid
any condensation.
Use insulating sleeves resistant to temperatures
over 120°C. In addition if the humidity level in the
areas where the refrigeration pipes pass risks
exceeding 70%, protect the pipes with insulating
sleeves. Use a sleeve thicker than 15mm if the
humidity reaches 80%, and a sleeve thicker than
20mm if the humidity exceeds 80%. If the
recommended thicknesses are not observed under
the conditions described above, condensation will
form on the surface of the insulation material. Lastly,
take care to use insulating sleeves whose thermal
conductivity is 0.045 W/mK or less when the
temperature is 20°C. The insulation must be
impermeable to resist the passage of steam during
the defrosting cycles (fibreglass wool is prohibited).
2.6.2 Refrigeration connections
The outside unit must be connected to the hydraulic
module with copper pipes and connections
(refrigeration quality), insulated separately.
Comply with the pipe diameters and the permitted
pipe lengths (figure 13).
The minimum length of the refrigeration
connections is 5m for correct operation.
The appliance will be excluded from guarantee if it is
used with refrigeration connections less than 5m
long.
Manipulate the pipes and take them through walls
with protective plugs in place.
If the distance between the outside unit and the
hydraulic module exceeds the length of the
maximum conduits indicated in the table, an
additional charge of R410A must be loaded.
The quantity of R410A added must be adapted to the
length of the refrigeration circuit in order to the heat
pump’s performance without damaging the
compressor (figure 23).
2.6.3 Creating the flarings
-Cut the pipe to an appropriate length with a
pipe-cutter without deforming it.
-Carefully deburr it, holding the pipe towards the
bottom to avoid introducing filings into the pipe.
-Remove the flared connection nut situated on the
valve to be connected and slip the pipe into the nut.
-Proceed to flare, letting the pipe overflow the flaring
tool.
-After flaring, check the condition of the working
radius (L). This must not show any scratch or trace
of any fracturing. Also check the dimension (B).
18 Installation and operating manual “1350-EN”
Heat pump, Split, single service
B
L
C
LB
0
-0,4 C
6,35 (1/4”)
15,88 (5/8”)
1,8 2
→
2,9 3,1→
9,1
19,7
17
29
9,52 (3/8”)2,5 2,7
→13,2 22
12,7 (1/2”)2,6 2,9
→16,6 26
ØHose
Dimensions in mm
Flaring tool
Hose
Flare
nut
Figure 18 - Flaring for flare connections

2.6.4 Shaping the refrigeration pipes
The refrigeration pipes must be shaped only on a
bending machine or with a bending spring in order to
avoid any risk of crushing or breaking them.
FWarning
•Remove the insulation material locally to bend the
pipes.
•Do not bend the copper to any angle over 90°.
•Never bend pipes more than 3 times in the same
position otherwise traces of fracturing may appear
(from strain-hardening the metal).
2.6.5 Connecting the flared connections
FThe small pipe must always be connected
before the large one.
FTake particular care positioning the tube
opposite its connector so as not to risk
damaging the threads. A carefully aligned
connector can be fitted easily by hand
without much force being required.
FThe refrigeration circuit is very sensitive to
dust and humidity: check that the area
around the connection is clean and dry
before removing the plugs protecting the
refrigeration connectors.
Installation and operating manual “1350-EN” 19
Heat pump, Split, single service
Liquid valve
Flare nut
Liquid refrigeration connexion
Diameter D2
“Gas”refrigeration connexion
D1 Diameter
Gas valve
Flare nut
Flare nut
Flare nut
Adapter R2,
depending
on the model
Adapter R1,
depending
on the model
Outside
unit
Hydraulic
module
Figure 19 - Connecting the flared connections
Outside
unit connections
Diameter
of refrigeration
connections
Male-female
adapter
(reduction)
Hydraulic module
connections
Model 050
Model 065
Gas 1/2" (D1) 1/2" (R1) 1/2"-5/8" 5/8"
Fluid ¼" (D2) ¼" (R2) ¼"-3/8" 3/8"
Model 080 Gas 5/8" (D1) 5/8" None 5/8"
Fluid ¼" (D2) ¼" (R2) ¼"-3/8" 3/8"
Model 095
Model 128
Model 155
Gas 5/8" (D1) 5/8" None 5/8"
Fluid 3/8" (D2) 3/8" None 3/8"

-Depending on the case, connect an adapter
(reducer) ¼’’- 3/8’’ or 1/2’’- 5/8’’. (see figure 19).
-Remove the plugs from the pipes and the
refrigeration connections.
-Present the pipe to the flared connector and screw
the nut by hand while holding the connector with a
wrench until contact.
-Comply with the recommended tightening torques.
(see figure 21).
20 Installation and operating manual “1350-EN”
Heat pump, Split, single service
Coat the flared surface
with POE refrigeration oil
Do not use mineral oil.
Figure 20 - Prevention of gas leaks
Holding wrench
Torque wrench
Designation
Flare nut 6,35 mm (1/4”)
Flare nut 9,52 mm (3/8”)
Flare nut 12,7 mm (1/2”)
Flare nut 15,88 mm (5/8”)
Plug (A) 3/8”, 1/4”
Plug (A) 1/2”
Plug (B) 3/8”, 5/8”
Tightening torque
14 to 18 Nm
33 to 42 Nm
50 to 62 Nm
63 to 77 Nm
20 to 25 Nm
25 to 30 Nm
10 to 12 Nm
Plug (A) 5/8”30 to 35 Nm
Plug (B) 1/2”, 1/4”12,5 to 16 Nm
Figure 21 - Tightening torque