9.2 Electrical connections
NOTE:
The outdoor units must be installed with an Residual Current
Circuit-breaker near the power supply and must be effectively
earthed.
Additional pump
L
N
208/230V
208/230V
L
N
A1
A2
“PUMP2” terminal only provides passive switching signal.
Additional water pump must be controlled by the AC contactor.
“Remote alarm” terminal only provides passive switching signal.
Current passing through the terminal interface should less than 1.5A,
otherwise please use AC contactor to control load indirectly.
AC contactor
SWITCH
Main control board
Main control board
If switch is closed, the unit will be stopped forcibly.
Under this circumstance, anti-frozen protection and other
protection functions are still effective.
If switch breaks, unit can run normally according settings.
PUMP2
Remote alarm
Remote shutdown
wire controller
9.2.1 To complete the electrical connections
Remove the inspection panel by unscrewing the five screws.
Use grommet A for the electrical power cable and grommet B for
the other external wires.
9.2.2 Costomer connection terminal
9.2.3 Electrical power connections
9.2.4 Auxiliary function connections
Additional pump
Remote alarm
Remote shutdown
AC 208/230V 60Hz
L
N
Residual Current
Circuit-breaker
GND
