HTW BIBLOCK PLUS A60CGN8PLUS Manual De Usuario página 99

7.2.2 Mode set control
Outdoor
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: Outside circulation pump (Field
supply)
7 SV2: 3-way valve (Field supply)
13 Expansion vessel (Field supply)
15 Filter (Accessory)
Space heating
Cooling or heating mode is set via the room thermostat, water temperature is set on the user interface.
1) When any "CL" of all the thermostats close, system will be set at cooling mode.
2) When any "HL" of all the thermostats close and all "CL" open, system will be set at heating mode.
The circulation pumps operation
1) When the system is in cooling mode, which means any "CL" of all the thermostats closes, SV2(7) keeps
OFF, P_o(6) starts running;
2) When the system is in heating mode, which means one or more "HL" close and all "CL" open, SV2(7)
keeps ON, P_o(6) starts 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
Indoor
RT2 RT3
RT4
25
RT5
RT7
RT6
13
5.1
6
5
5.2
Coding Assembly unit
17 Shut-off valve (Field supply)
18 Filling valve (Field supply)
19 Drainage valve (Field supply)
23 Collector/distributor (Field supply)
24 Bypass valve (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
FCU Fan coil unit (Field supply)
1...n
18
23
24
FCU1 FCU2 FCUn
23
FHL1 FHL2 FHLn