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ENGLISH
8.2 Application 2
ROOM THERMOSTAT Control for Space heating or cooling need to be set on the user interface. It can be set
in three ways: MODE SET/ONE ZONE/DOUBLE ZONE. The monobloc can be connected to a high voltage room thermostat and a low
voltage room thermostat. A thermostat transfer board can also be connected. Another six thermostats can be connected to the thermostat
transfer board. Please refer to 9.7.6/5) “For room thermostat" for wiring. (see 10.5.6 "ROOM THERMOSTAT" for setting).
8.2.1 One zone control
5
4
4.2
4.1
10
FHL1
FHL2
FHLn
19
Outdoor
1
Indoor
RT2
RT3
21
RT4
RT5
RT7
RT6
RT8
RT1
Modbus
15
16
14
12
14
2
16
Code
Assembly unit
Code
Assembly unit
1
Main unit
14
Shut -off valve (Field supply)
2
User interface
15
Filling valve (Field supply)
4
Balance tank (Field supply)
16
Drainage valve (Field supply )
4.1
Automatic air purge valve
19
Collector/distributor (Field supply)
4.2
Drainage valve
21
Thermostat transfer board (Optional)
5
PUMP O: Outside circulation pump (Field supply)
RT 1…7
Low voltage room thermostat (Field supply)
10
Expansion vessel (Field supply )
RT8
High voltage room thermostat (Field supply)
12
Filter (Accessory )
FHL 1...n
Floor heating loop (Field supply )
Space heating
One zone control: the unit ON/OFF is controlled by the room thermostat, cooling or heating mode and outlet water temperature are set on the
user interface. System is ON when any “HL” of all the thermostats closes (heating request from one of the room thermostats - see paragraph
9.7.6). When all “HL” open, system turns OFF.
The circulation pumps operation
When the system is ON, which means any “HL” of all the thermostats closes, PUMP O starts running; When the system is OFF, which means
all “HL” close, PUMP O stops running.
Содержание 20191845
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