Fujitsu AJ 126LELDH Series Design & Technical Manual page 989

[Example of electrical circuit]
Indoor unit
Specification of external input
Requirement for relay switch
3-1. External input
Indoor unit
PCB
Dry contact
external input wire
Service parts
1 1
2 2
CNA04
Max. 150 m
Item
Terminal
Output voltage
Wire diameter
Service part no.
Item
Minimum permissible load
- (08-21) -
External
controller
Relay
Specification
CNA04
DC 12 V
2
0.33 mm (22 AWG), Twisted
9368778019
Specification
1 mA or less
3. Indoor unit