58
Electrical Wiring
Blower signal output
This fan control is usually at ON position at the time of operating, but becomes OFF in
defrosting.
10P Connector / Section D
1
2
3
4
5
6
7
8
9
10
4
5
X1
Minimum applicable load: 5 V DC, 1 mA
Maximum applicable load: 230 V AC, 2 A
X1: Relay (field supplied)
If uninterrupted fan operation is needed and cold draft air is avoided for example by some inter-
nal bypass etc., the defrost signal (contacts C5, C6 = ON1, ON2) can be used with an additional
field supplied relay.
Blower protection input
If a switch opens, an alarm “P01” appears on a remote controller display, and operation stops.
10P Connector / Section D
1
2
3
4
5
6
7
8
9
10
6
7
SW1
SW1: operation command (field supplied)
220 ~ 240 V AC, 0.1 A