A Series Inverter Modular Air-cooled Chiller (Heat Pump)
When multiple modules have direct control over one water pump, its AC contactor is
wired to an AC contactor (KM1 or KM2) of any one module.
When one auxiliary electric heater serves more than one modules, its wiring terminals
11 and 12 are connected to terminals G and H respectively of an AC contactor marked
with KM3.
When multiple modules have direct control over one auxiliary electric heater, its AC
contactor is wired to an AC contactor (KM3 or KM4) of any one module.
Unit 1
Unit 2
11
12
11
12
H
G
KM3
Unit 1~16
5
KM1
Unit 3
11
12
Unit 1~16
11
12
KM3
21
11
12