Dry Contact & 24 Volt Adaptor
8
Table 4.3.2 Display of 3-bit nixie tube
Display content
Meaning
ON
Turn on the unit
OFF
Turn off the unit
CC
Some or all functions of unit have been shielded by
integrated controller, remote control and other control
terminals. Operation is not available.
Error code
When there’s malfunction for the unit, please contact
the after-sales service person. Please refer to the
section of “error code” for the detailed error content.
4.4 Function Instruction
4.4.1 Mode Setting
(1) When setting the signal of 24VAC as the control command of compressor,
4-way valve, indoor fan and other loads (set “00” for P01), the interface
meaning is as below:
Table 4.4.1 Interface meaning of 24 Volt Adaptor (load control)
Interface
Meaning
O/B
4-way valve for heat pumps
G
Indoor fan
W
E-heater
Y
Compressor
G1
Low fan speed
G2
Medium fan speed
G3
High fan speed
