Table of Contents
Advertisement
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)
1
Code Assembly unit
1
Main unit
2
User interface (Display)
Expansion vessel (field supply)
3
Buffer tank (field supply)
4
Automatic air purge valve
5
Drainage valve
6
7
Filter (accessory)
8
Shut-off valve (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. 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, P_o starts running; When the
system is OFF, which means all "HL" close, P_o stops running.
2
Tbt1
13
3
Tbt2
14
8
9
8
6
7
10
10
15
5
11
4
FHL1
Code
Assembly unit
9
Filling valve (field supply)
10
Drainage valve (field supply)
External water pump (field supply)
11
12
Collector/distributor (field supply)
Tbt1: temperature sensor of buffer tank 1(field supply)
13
14
Tbt2: temperature sensor of buffer tank 2(field supply)
12
FHL2
FHLn
Advertisement
Table of Contents
