
54
Multi V W
a
ll-Mounted Indoor Unit
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WIRING
Art Cool Gallery SF Chassis
PCB Connection
Purpose
Function
CN-TH3
Pipe out thermistor
Pipe out thermistor connection
CN-TH2
Pipe in thermistor
Pipe in thermistor connection
CN-TH1
Return air thermistor
Return air thermistor connection
CN-UD
Step motor
Step motor output
CN-LR1
Step motor
Step motor output
CN-LR2
Step motor
Step motor output
CN-REMO
Wired remote controller
Wired remote controller connection
CN-EEV
EEV output
EEV control output
CN-EXT1
External on/off controller
External on/off controller connection
CN-CC
Dry contact
Dry contact connection
CN-485
Communication
Connection between indoor and outdoor units
Table 13: Art Cool Gallery (Gen 4) SF Chassis Wiring Diagram Legend.
Figure 57: Art Cool Gallery (Gen 4) SF Chassis Wiring Diagram
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Engineering Manual for additional information.