Component Replacement Procedures - Raypak 131 Service Instructions Manual

Component Replacement Procedures

Prior to performing any component replacement procedures detailed in this manual
ensure the safety warnings on page 3 are read and observed, failure to do so may
result in serious injury.
After performing any component replacement procedure where the power
supply was removed and then restored; the red reset button must be
pushed and released to reset the heater on models manufactured prior to
the 14/4/09. The reset light will then extinguish indicating that the heater
has been reset.
Front Access Panel
1. Turn Controller off.
2. Isolate power supply to the pool heater.
3. Remove four screws retaining the Front Access Panel.
4. Remove the Front Access Panel.
5. Reassemble in reverse order of above.
Display Panel Removal
1. Remove the Front Access Panel. Refer to „Front Access Panel‟ procedure above.
2. Cut cable tie retaining the water temperature probe cable to wiring loom.
3. Remove four screws retaining the Display Panel and place on ground. Note: Support
the Display Panel whilst removing screws otherwise the Display Panel will fall when
the last screw is removed.
4. Remove the PCB Cover Panel by pressing down on the top side and pulling away from
the Display Panel. NOTE: The PCB Cover Panel is a tight fit, considerable pressure
will need to be applied to disengage the PCB Cover Panel from the Display Panel.
5. Mark and disconnect the wiring from the control board.
6. Mark and disconnect the wiring from the reset button.
7. Withdraw wiring disconnected in steps 5 and 6 through the cable entry in the PCB
Cover Panel
8. Reassemble in reverse order of above. Note: replace cable tie cut in step 2.
Electrical Control Box Cover
1. Remove the Front Access Panel. Refer to „Front Access Panel‟ procedure above.
2. Remove single screw retaining Electrical Control Box Cover.
3. Remove the Electrical Control Box Cover away from the Electrical Control Box and
slide sideways past the Display Panel wiring loom to remove.
4. Reassemble in reverse order of above.
TM018 Raypak 131 Type A Pool & Spa Heaters REV: A
D.O.I: 8/04/2009
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