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7.4.2 En cas d'installation sur plusieurs lignes (pour une utilisation sur un toit etc.)
1) En cas d'installation d'un appareil par ligne.
H
A
C
B1
Modèle
A(mm)
B1(mm)
B2(mm)
C(mm)
9kW
>1500
>500
>150
>300
12 - 16kW
>2000
>1000
>150
>300
2) Dans le cas de l'installation de plusieurs appareils en connexion latérale par rangée.
H
B1
Modèle
A(mm)
B1(mm)
B2(mm)
C(mm)
9kW
>2500
>1000
>300
>600
12 - 16kW
>3000
>1500
>300
>600
12
＜1/2 H
B2
≥500mm
≥500mm
＜1/2 H
B2
A
C
1
1.7
1.6
1.5
1.8
1.3
1.1
1.4 1.2
2
3
6
7
Coding
Assembly unit
1
Outdoor unit
1.1
Manometer
1.2
Pressure relief valve
1.3
Expansion vessel
1.4
Plate heat exchanger
1.5
Backup heater
(
Customized model
)
1.6
Air purge valve
1.7
Flow switch
1.8
P_i: Circulation pump inside the unit
2
Y-shape filter
3
Stop valve (field supply)
NOTE
The volume of balance tank(8) should be greater than 40L(for 5~9kW unit, greater than 20L) The drain valve (6) should
be installed at the lowest positon of the system. An independent backup heater can be selected and installed in the
door. Pump_o(10) should be controlled by outdoor unit and connect to corresponding port in the outdoor unit(refer to 9.7.6
Connection for other components/For outside circulation pump P_o).
Unit operation and space heating
:
When a room thermostat is connected to the unit and when there is a heating request from the room thermostat, the unit will
start operating to achieve the target water flow temperature as set on the user interface. When the room temperature is above
the thermostat set point in the heating mode, the unit will stop operating. The circulation pump (1.8) and (10) will also stop
running. The room thermostat is used as a switch here.
NOTE
Make sure to connect the thermostat wires to the correct terminals, method B should be selected (see "For room
thermostat" in 9.7.6 connection for other components). To correctly configure the ROOM THERMOSTAT in the FOR
SERVICEMAN mode see 10.7 Field settings/ROOM THERMOSTAT.
8.2 Application 2
Space heating without room thermostat connected to the unit. Domestic hot water is provided through the domestic hot water
tank that is connected to the unit.
4
5
T
9
8.1
10
11
8.2
8
----
FHL1
FHL2
----
FHLn
Coding
Assembly unit
4
Wired controller
5
Room thermostat (field supply)
6
Drain valve (field supply)
7
Fill valve (field supply)
8
Balance tank (field supply)
8.1
Air purge valve
8.2
Drain valve
9
Expansion vessel (field supply)
10
P_o: Outside circulation pump (field supply)
11
Collector (field supply)
FHL 1...n Floor heating loop (field supply)
13
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