Component Replacement Procedures - Refrigeration Plant - Rheem 310 Series Service Instructions Manual

Component Replacement Procedures – Refrigeration Plant
Refrigeration Module (Procedure 9)
Wear Personal Protective Equipment when conducting step 2 of this
procedure to reduce the risk of electric shock. Refer to Rheem Safety
Procedure on electrical testing.
Due to the weight of the refrigeration unit (approx 45kgs) this is a two man
job.
A quantity of hot water may discharge from the flexible hose(s) during this
procedure. Wear Personal Protective Equipment to prevent scalds or burns
and ensure all escaping water is caught in a container to prevent the sensor
strip from becoming water damaged.
1. Isolate the power and water supplies to the water heater.
2. Confirm with a multi-meter between Active and Neutral, then Active and Earth,
then Neutral and Earth terminals of the terminal block that voltage is not
present.
3. Relieve pressure from the water heater and drain approximately 10 litres of water
from the cylinder through the T & PR valve.
4. Remove the front and rear air louvres.
5. Undo the controller cover retaining screw, remove the controller cover and disconnect
the sensor strip and power supply wiring loom plugs from the electronic controller.
6. If fitted, disconnect the condensate drain.
7. Disconnect the hot and cold flexible hoses connecting the heat pump module to the
cylinder at the cylinder fittings (refer to owners guide for location). Note: Ensure all
escaping water is caught in a container to prevent the sensor strip from
becoming water damaged.
8. Remove the 3 x 6mm bolts retaining the heat pump module to the cylinder (refer to
owners guide for location).
9. Slide lifting bars (part number 080151) through the slots provided in the chassis (refer
to owners guide for location) and lift the heat pump module clear of the cylinder.
10. Complete reassembly in reverse order of above.
Air Inlet Louver (Procedure 10)
1. Isolate the power to the water heater.
2. Remove the refrigeration section jacket top.
3. Remove the 2 screws from the left and right hand sides of the air inlet louver.
4. Remove the 3 screws from the Colorbond trim directly below the air inlet louver.
5. Lift the louver clear of the jacket.
6. Complete reassembly in reverse order of above.
TM025 Rheem Heat Pump Service Instructions REV: B
Date of Issue: 02/08/07
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