Pentax IPFC 109 Manual De Instrucciones página 54

Power board IPFC 314,318,325,330
Power supply:
LINE: L1, L2, L3, GND
It is recommended to use cable
lugs.
Cable stripping recommended for line input and output to the motor.
8
Motor output:
MOTOR: U, V, W, GND
It is recommended to use cable
lugs.
12 V dc auxiliary fans (wall
mounting kit)
VENT: +, -
WARNING: respect the polarity.