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Idiomas disponibles
Idiomas disponibles
7.2.3 Double zone control
2.2
Outdoor
2.11
2.10
1
Modbus
Coding
Assembly unit
1
Outdoor unit
2
Indoor unit
3
User interface
5
Balance tank (Field supply)
5.1
Automatic bleed valve
5.2
Drainage valve
6
P_o: zone 1 circulation pump (Field supply) RT 1...7
8
Mixing station (Field supply)
8.1
SV3: Mixing valve (Field supply)
8.2
P_c: zone 2 circulation pump
13
Expansion vessel (Field supply)
Space heating
Zone1 can operate in cooling mode or heating mode, while zone2 can only operate in heating mode; While
installation, for all thermostats in zone1, only "H、L" terminals need to be connected. For all thermostats in zone2,
only "C、L" terminals need to be connected.
1) The ON/OFF of zone1 is controlled by the room thermostats in zone1. When any "HL" of all thermostats
in zone1 closes, zone1 turns ON. When all "HL" turn OFF, zone1 turns OFF; Target temperature and
operation mode are set on the user interface;
2) In heating mode, the ON/OFF of zone2 is controlled by the room thermostats in zone2. When any "CL" of
all thermostats in zone2 closes, zone2 turns ON. When all "CL" open, zone2 turns OFF. Target
temperature is set on the user interface; Zone 2 can only operate in heating mode. When cooling mode
is set on the user interface, zone2 keeps in OFF status.
The circulation pump operation
When zone 1 is ON, P_o(6) starts running; When zone 1 is OFF, P_o(6) stops running;
When zone 2 is ON, SV3(8.1) is ON, P_c(8.2) starts running; When zone 2 is OFF, SV3(8.1) is OFF, P_c(8.2)
stops running .
Indoor
RT2
RT3
2
2.4
25
2.5
2.9
RT7
RT6
2.6
3
RT8
2.1
2.1
2.3
RT1
2.8
2.7
17
17
15
5.1
19
18
5
5.2
19
Coding
15
17
18
19
23
25
RT8
Tw2
FHL
1...n
RAD.
1...n
19
RT4
RT5
13
6
8
Tw2
8.1 8.2
FHL1
Assembly unit
Filter (Accessory)
Shut-off valve (Field supply)
Filling valve (Field supply)
Drainage valve (Field supply)
Collector/distributor (Field supply)
Thermostat transfer board (Optional)
Low voltage room thermostat (Field
supply)
High voltage room thermostat (Field supply)
Zone 2 water flow temperature sensor
(Optional)
Floor heating loop (Field supply)
Radiator (Field supply)
RAD.1
ZONE1
RAD.2
RAD.n
23
ZONE2
FHL2
FHLn
V.2
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