Rheem 310 Series Service Instructions Manual page 60

Compressor and Accumulator (Procedure 21)
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.
1. Isolate the power to the water heater.
2. Remove the access cover and 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. Remove the refrigeration section jacket (refer to Procedure
4. Remove the evaporator shroud and fan motor assembly (refer to Procedure 12 Steps 3
- 6).
5. Recover refrigerant from sealed refrigeration system.
6. Disconnect the wiring to the compressor and unclip and remove the compressor T
sensor from the compressor discharge pipe work.
7. Remove the pipe insulation to expose pipe work at the compressor and accumulator.
Un-braze the discharge pipe-work from the compressor and the suction line from the
accumulator.
8. Remove the 3 nuts retaining the compressor to the chassis and lift the compressor and
accumulator clear.
9. Fit and secure the replacement compressor and accumulator, braze pipe work,
reconnect wiring to the compressor and refit the discharge T sensor and retaining clip.
16. Replace the receiver/filter drier (Refer to Procedure 20 – steps 4 to 7).
10. Pressurise system to 3000kPa and conduct a leak test. Refit and secure pipe work
insulation.
11. Evacuate system to 100 microbar (30") for a period of at least 30 minutes.
12. Recharge system with the correct refrigerant. Refer to "Specifications – Refrigeration
System" table on page 3.
13. Refit the evaporator shroud and fan motor assembly and refrigeration section jacket.
14. Refit air inlet louver and jacket top.
15. Restore power. The refrigeration plant should commence operation after a 30 second
delay.
TM025 Rheem Heat Pump Service Instructions REV: B
Date of Issue: 02/08/07
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11).