GB - 10
30RHV
Electrical connections - three-phase models
Terminal block legend, three-phase models
Earth.
L
Live power supply.
L1
Live power supply.
L2
Live power supply.
L3
Live power supply.
N
Neutral power supply.
S1
ON/OFF switch
S2
HEAT/COOL switch
NOTE:
The contact rating must be greater than > 20 mA @ 24 V ac.
G
L1 L2 L3
N
0
24
5
6
1
2
3
4
S1
S2
���
���
���
���
���
���
Unit electrical panel
���
Terminal blocks
���
Electronic board connectors
쐆
Power supply 400V 3ph 50Hz
���
Available for remote alarm (3 A @ 24 V ac max.)
쐂
Available for outdoor pump operation
Main switch
Time-delay fuse or circuit breaker
(see table III "Electrical data")
5 6
. .
1 2 3 4 . . . .
L1
L1
L2
L2
L3
L3
N
N
A
B
A
B
FUSE
24V
24V
FUSE
7 8
쐂