Gree T1/R22, Service Manual

Page: 12 / 61

MINI CHILLER CONTROL
11
1.2 Heating Operation
Power
On
Open unit running in
heating mode
Satisfying open
comp condition
Pump running
Outdoor
fan, compressor and
valve running
Temp of back water
≥ (Set temp + 5) (spilt type)
Temp of back water
≥ (Set temp + 6) (Integral type)
Compressor and
outdoor fan stop
Compressor stop
for 3 min
N Y
N
Y
Y
N