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Multi V Wall-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.