15
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 molobloc 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 9.7.6/6. “FOR ROOM THERMOSTAT” for
wiring. (see 10.6.6 "ROOM THERMOSTAT" for setting)
Code
Assembly unit
Code
Assembly unit
1
Main unit
2
User interface
4
Balance tank
(Field
supply)
4.1
Automatic air purge valve
4.2
Drainage valve
RT 1
Low voltage room thermostat (Field supply)
5
P_o: Outside circulation pump (Field supply)
10
Expansion vessel (Field supply)
FHL
1…n
Floor heating loop (Field supply)
12
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 starts running; When the
system is OFF, which means all “HL” close, P_o stops running.
5
4
4.2
4.1
10
FHL1
FHL2
FHLn
19
8.2.1 One zone control
Outdoor
1
Indoor
RT1
Modbus
15
16
14
12
14
2
16
14
Shut-off valve (Field supply)
15
Filling valve (Field supply)
16
Drainage valve (Field supply)
19
Collector/distributor (Field supply)
Summary of Contents for AW-WHPMA04-H91
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