InstallatIon
HPR800XD Auto Gas – 806500 3-29
Secondary power supply to chiller interface console
Chiller interface communication cable
Part no. Length
123844 1.5 m (5 ft)
123784 3 m (10 ft)
123839 4.5 m (15 ft)
Cable signal list – secondary power supply to chiller interface (9-pin DSUB connectors)
Power supply end
Chiller
interface end
Pin No. Wire color Input/Output Description Pin No. Input/Output Function
2 Black Input/Output CAN L 2 Input/Output CAN communication
3 Black Input CAN ground 3 Output Power ground
7 Red Input/Output CAN H 7 Input/Output CAN communication
9 Red Output Not used 9 Output Not used
Note: The inductor on the pump motor drive board makes a noise during operation that has been
described as a “hum”, “sing”, and “click”. This is normal and can be disregarded.
See
note
below
End with sockets to
chiller interface