Installation Manual

These instructions are for use when replacing the converter module in a Parallax Power

Supply model 7155.

Warning!!! Possible Shock Hazard Exists!!! Refer installation or system diagnosis

to qualified service personnel.

Warning! Disconnect all 120VAC to the RV and battery power at the battery bank before

proceeding with this installation!

o Remove the Converter Assembly outer door and the breaker panel cover panel covering

the 120VAC circuit breaker compartment.

Converter PCB Assembly Removal:

120VAC Connections:

o Remove the 120VAC circuit breaker cover plate.

o Remove the black "hot" wire supplying the Converter PCB Assembly at the 120VAC load

circuit breaker. Note- Converter black “hot” lead may have a crimped “wire pin” at the

load breaker end.

o Remove the Converter PCB Assembly white neutral wire connected at the 120VAC

isolated neutral bar.

o Pull the converter PCB assembly 120VAC leads down into the lower converter PCB

compartment.

Replacement Instructions

Model 081-7155-000

Converter PCB Assembly

PAGE 1
Replacement Instructions Model 081-7155-000 Converter PCB Assembly These instructions are for use when replacing the converter module in a Parallax Power Supply model 7155. Warning!!! Possible Shock Hazard Exists!!! Refer installation or system diagnosis to qualified service personnel.
PAGE 2
DC Connections: o Remove the blue DC Positive lead connected to the terminal lug marked +VCC, and the white negative lead connected to NEGon the DC distribution fuse panel. o Pull DC wiring leads into the lower section PCB Assembly compartment. Note – To gain free access to the converter DC leads it may be necessary to loosen the DC Distribution Fuse Panel from its mounting position in some installations. o Remove the screws indicated in the photo below. o Slide the converter module tray out of the chassis.
PAGE 3
New Converter PCB Assembly Installation: o Make sure the replacement Converter PCB Assembly is correctly aligned in the plastic guide rails. o Slide the PCB Assembly toward the back until fully seated and reinstall the 2 brass PCB Assembly retaining screws removed when the old converter module was removed. Refer to the photo above. . WIRING Connections: o o o Pull the black and white 120VAC leads up into the 120VAC breaker compartment.