Application - HTW BIBLOCK PLUS A60CGN8PLUS Manual De Usuario

7.2 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 indoor unit can be connected to a high voltage room
thermostat and a low voltage room thermostat. A hydraulic adapter box can also be connected. Another six
thermostats can be connected to the hydraulic adapter box. Please refer to 8.8.6/6) "For room thermostat" for
wiring. (see 9.6.6 "ROOM THERMOSTAT")
7.2.1 One zone control
Outdoor
1
Code 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: Outside circulation pump (Field
supply)
13 Expansion vessel (Field supply)
15 Filter (Accessory)
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(6) starts running; When the
system is OFF, which means all "HL" close, P_o (6) stops running.
2
2.4
2.2
2.5
2.9
2.6
3
RT8
2.11
2.1
2.3 2.1
RT1
2.10
2.8 2.7
17 17
15
19
18
19
Modbus
Indoor
RT2 RT3
RT4
25
RT5
RT7
RT6
13
5.1
6
5
5.2
Code Assembly unit
17 Shut-off valve (Field supply)
18 Filling valve (Field supply)
19 Drainage valve (Field supply)
23 Collector/distributor (Field supply)
25 Thermostat transfer board (Optional)
RT 1...7 Low voltage room thermostat (Field supply)
RT8 High voltage room thermostat (Field supply )
FHL Floor heating loop (Field supply)
1...n
17
23
FHL1 FHL2 FHLn