Dry Contact & 24 Volt Adaptor
10
Y
G
B
W
Mode
×
×
√
√
OFF
√
√
√
×
Heating
√
√
×
√
OFF
√
√
√
√
Heating and E-heater
(2) When setting 24VAC signal as the control command for cooling, heating,
fan and other operation modes (set “01” for P01), the interface meaning is
as below:
Table 4.4.4 Interface meaning of 24 Volt Adaptor (mode control)
Interface
Meaning
O/B
Valid
G
Fan
W
Heating
Y
Cooling
G1
Low fan speed
G2
Medium fan speed
G3
High fan speed
The corresponding operation modes for the input signals of different interfaces
on the main board are:
Table 4.4.5 Corresponding operation mode for each input signal (mode control)
Y
W
G
G1
G2
G3
Mode
√
×
*
*
*
*
Cooling
