Wire connection to the controller board is as show in the wiring diagram on the respective terminal box.
The standard controller board comes with a VALVE jumper and a HEAT jumper. The system must be configurated as the
jumper selection listed below:
Cooling Mode & Valve Application
Cooling Mode & Valveless Application
Heatpump Mode & Valve Application
Heatpump Mode & Valveless Application
Example: If the unit is running "Heatpump Mode & Valveless Application", remain the HEAT jumper while remove the
VALVE jumper.
CC10CW / 15CW / 20CW / 25CW (without controller)
FCU 1
FL FM FH
L
N
FSC
TH
L
N
220-240V/1ø/50Hz or
X1
208-230V/1ø/60Hz
CC28CW / 30CW / 38CW / 40CW / 50CW / 60CW (without controller)
FCU 1
SH
H
M
L
N
FSC
TH
L
N
220-240V/1ø/50Hz or
X1
208-230V/1ø/60Hz
ELECTRICAL WIRING CONNECTION
HEAT Jumper
FCU 2
FL FM FH
L
N
FSC
TH
L
N
220-240V/1ø/50Hz or
X2
208-230V/1ø/60Hz
FL
Chiller
FM
FH
L
N
FSC
X1, X2, X3
TH
FCU 2
SH
H
M
L
N
FSC
TH
L
N
220-240V/1ø/50Hz or
X2
208-230V/1ø/60Hz
SH
H
Chiller
M
L
N
FSC
X1, X2, X3
TH
1-8
x
x
P
P
FCU 3
FL FM FH
L
N
FSC
TH
220-240V/1ø/50Hz or
X3
208-230V/1ø/60Hz
!
Fan Low
Fan Medium
Fan High
Live
Neutral
Fan Speed Controller
Relay (220 ~240V, 10A)
Thermostat
FCU 3
SH
H
M
L
N
FSC
TH
220-240V/1ø/50Hz or
X3
208-230V/1ø/60Hz
!
Fan Super High
Fan High
Fan Medium
Fan Low
Neutral
Fan Speed Controller
Relay (220 ~240V, 10A)
Thermostat
VALVE Jumper
P
x
P
x
L
N
There must be an all pole
disconnection in the supply
mains with a contact separation
of at least 3mm.
All power line must be from
the same phase.
L
N
There must be an all pole
disconnection in the supply
mains with a contact separation
of at least 3mm.
All power line must be from
the same phase.