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Due to our policy of continuous product innovation, some specications may change without notication.
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36 | PRODUCT DATA
Single Zone Vertical Air Handling Unit Engineering Manual
Table 13: NJ/NK Frame Wiring Diagram Legend.
ELECTRICAL WIRING
Terminal Purpose Function
CN-POWER
AC Power supply AC Power line
CN-MOTOR1 Fan motor output Motor output of BLDC
CN_OUT Heater Connection for heater
CN-D/PUMP Drain pump output AC output for drain pump
CN-FLOAT Float switch input Float switch sensing
CN-ZONE Zone controller Zone controller connection
CN-OPTION Optional PCB EPROM Option PCB connection
CN-EXT External ON / OFF con-
troller
External ON / OFF controller con-
nection
CN-DISPLAY Display Display of indoor status
CN-CC Dry contact Dry Contact connection
CN-PIPE/OUT (RD) Discharge pipe sensor Pipe out thermistor
CN-LEAK (VI) Refrigerant leak detector Refrigerant leak detector connection
CN-PIPE/IN (WH) Suction pipe sensor Pipe in thermistor
CN-REMO (GN) Wired remote controller Wired remote control connection
CN-ROOM (YL) Room sensor Room air thermistor
CN-DAMPER Damper Controller Damper connection
CN-AIRC Air Cleaner Air Cleaner connection
CN-WF Wifi Wifi Module connection
NJ/NK Frame Wiring Diagram Legend
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