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