Danfoss RET 230 HC-1 Installation Instructions Manual page 5

Wiring
4-pipe fan coil application
ELECTRONICS
L
N
X X
SEN SEN
REMOTE
SENSOR
N
L
('A' MODELS ONLY)
230 VAC
FIXED 3A
Heat-pump application
ELECTRONICS
L
X X N
SEN SEN
REMOTE
SENSOR
('A' MODELS ONLY) 230 VAC
FIXED 3A
FAN
COOL/ HEAT/
COM
1
COMP. RV
FAN
COOL/ HEAT/
COM
COMP. RV 1
1
Note:
SPEED
If HEAT/COOL/FAN
FAN
outputs are
N
230V, link terminals
L - COM
Note:
If HEAT/COOL/FAN
1
outputs are
SPEED
230V, link terminals
FAN
L - COM
N
5