Airwell AW-WHPMA04-H91, Руководство по установке

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16
8.2.2 Mode set control
Coding Assembly unit Coding Assembly unit
1 Main unit
2 User interface
4 Balance tank (Field supply)
4.1 Automatic air purge valve
4.2 Drainage valve
5 P_o: Outside circulation pump (Field supply)
RT 1 Low voltage room thermostat
22
SV2: 3-way valve (Field supply
）
10
Expansion vessel (Field
supply)
FHL
1…n
Floor heating loop (Field
12 Filter (Accessory)
FCU
1...n
Fan coil unit (Field supply
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.
Space heating
The circulation pumps operation
1) When the system is in cooling mode, which means any “CL” of all the thermostats closes, SV2 keeps
OFF, P_o starts running.
2) When the system is in heating mode, which means one or more “HL” close and all “CL” open, SV2
keeps ON, P_o starts running.
4
4.2
4.1
10
Outdoor
1
FCU1 FCUn FCU2
FHL1 FHL2 FHLn
19
19
20
5
22
M
Indoor
RT1
2
17
15
16
14
12
14
16
14
Shut-off valve (Field supply)
supply)
)
16
19
20
Drainage valv e (Field
Collector/distribut or
Bypass valve ( Field
supply)
supply)