Specifications
TM022 Raypak RHP 33 Pool and Spa Heat Pump Service Instructions REV C
D.O.I: 14/03/2006
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3. Remove fan blade by undoing bolt on retaining boss. Pay attention to the distance from
bottom of boss to end of shaft for when reassembling.
4. Disconnect fan motor wiring from fan relay, capacitor and earth connection, cut cable
ties and feed wiring through control panel grommet.
5. Remove 6 screws around outside of fan grill and lift out fan and grill together whilst
feeding cables through conduit hole in top cover.
6. Remove four dome nuts holding fan to grill.
7. Reassemble in reverse order of above ensuring that fan boss is the correct distance
from base of shaft as noted in step 2.
Compressor and Evaporator Fan Capacitor: (Procedure 15)
Personal Protective Equipment should be worn when conducting step 2 of
this procedure to reduce the risk of electric shock. Refer to Rheem Safety
Procedure on electrical testing.
1. Remove control panel cover (see procedure 1).
2. Confirm with a multi-meter between Active and Neutral at the Compressor
contactor Line terminals that voltage is not present.
3. Disconnect wiring from capacitor paying attention to where each wire is connected.
4. Remove two tapped screws from clamp and remove clamp and capacitor.
5. Reassemble in reverse order of above.
Water Temperature Sensor: (Procedure 16)
Personal Protective Equipment should be worn when conducting step 2 of
this procedure to reduce the risk of electric shock. Refer to Rheem Safety
Procedure on electrical testing.
The fan motor may commence operation without warning. Failure to isolate
the power may result in serious injury if the fan commences operation.
1. Remove control panel cover and access panel (see procedures 1 & 2).
2. Confirm with a multi-meter between Active and Neutral at the Compressor
contactor Line terminals that voltage is not present.
3. Cut sensor cables close to joint with extension cable.
4. Undo and remove hose clamp holding sensor to water manifold.
5. Gently prise sensor up from hole with a flat bladed screwdriver and remove sensor.
6. Reassemble in reverse order of above (sensor has an in built rubber seal).
Thermostat Adjustment POT spa: (Procedure 17)
Personal Protective Equipment should be worn when conducting step 2 of
this procedure to reduce the risk of electric shock. Refer to Rheem Safety
Procedure on electrical testing.
1. Remove control panel cover (see procedure 1).
2. Confirm with a multi-meter between Active and Neutral at the Compressor
contactor Line terminals that voltage is not present.
3. Unsolder wires to potentiometer paying attention to where each wire is connected.
4. Unscrew retaining screw on side of knob opposite white line and gently prise off knob
with a flat bladed screwdriver.
5. Undo hex retaining nut from rear and remove potentiometer.










