R3250Hz Universal Outdoor Series Technical Manual
132
GD Chigo Heating & Ventilation Equipment Co., Ltd.
Spot check table
Fr
Running frequency
FT
Target frequency
T1
Unit A T1
T2
Unit A T2
Sr
IDU A fan speed
Tb
IDU A T2B
AL
IDU A EXV opening degree
An
Capacity demand of IDU A
Hn
Amended total capacity demand
b1
Unit B T1
b2
Unit B T2
bb
Unit B T2B
bS
Unit B fan speed
bL
Unit B EXV opening degree
bn
Capacity demand of IDU B
TH
Suction temperature
T3
Outdoor unit pipe temperature
T4
Ambient temperature
TP
Discharge temperature
T6
IPM board temperature
od
Mode
dT
Outdoor load target state
CC
Quantity of IDU
Ud
DC voltage
dL
Current
Pr
Outdoor unit fan speed
Lr
Master EXV opening degree
Notice:
For single phase units, an additional maintenance controller is needed to show error codes and do
spot check.
