Hisense HZX-4.0AEC Operation Installation Maintenance Manual page 22

5.3 Control box terminal board
Fig.
(*):These cable glands also for thermistors
Fig.
PCB
5.4 Expansion valve box
0
Terminal board 
(*)
(*)
Terminal board 
PCB
The length of wires supplied with
expansion valve box is .5m.
THM terminal on PCB
For inlet air (room air) temperature control and outlet air
temperature control insert the inlet air thermistor.
For Duty signal control insert the wire of THM from PCB
and secure the wire with clamp.
PCB
Clamp
wire of THM
PCB