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This document is stored and maintained electronically by Service. All printed copies are deemed uncontrolled.
TM077: 325 & 410 Series II Heat Pump Service Instructions
Rev 00: Issued April 2014
INTRODUCTION
The information provided in these instructions is based on the water heater being installed
in accordance with AS/NZS 3500.4, AS/NZS 3000 and the Owner‟s Guide and Installation
Instructions booklet provided with each water heater.
Should you require further technical advice on a 325 or 410 Series II Heat Pump Water
Heater, contact your nearest Rheem Service Department where all genuine replacement
parts are also available.
SAFETY WARNING
The purpose of this Service Manual is to provide sufficient information to allow a person
with the skills as required by the controlling Regulatory Authorities to carry out effective
repairs to a 325 or 410 Series II Heat Pump Water Heater in the minimum amount of time.
Safety precautions or areas where extra care should be observed when conducting tests
outlined in this manual are indicated by print in bold italics and / or a warning symbol.
Take care to observe the recommended procedure.
General warning symbol. Observe the instructions accompanying the
symbol.
“Live” testing to be conducted. Personal Protective Clothing (PPE) shall
be worn to reduce the risk of electric shock. Refer to Rheem Safety
Procedure on electrical testing.
Isolate power before conducting the indicated test
Hot surface or liquid. Personal Protective Clothing (PPE) shall be worn to
reduce the risk of scalding.
WARNING: The heat pump must NEVER be operated with the refrigeration
system open to atmosphere.
POWER SUPPLY
325 & 410 Series II Heat Pumps will only operate on a sine wave at a
frequency of 50 Hz. Devices generating a square or saw tooth wave cannot
be used to supply power to the water heater.
ENVIRONMENTAL
R134a refrigerant is a controlled substance under the Ozone Protection
and Synthetic Greenhouse Gas Management Act. Only personnel qualified
and licensed to work with refrigerants may carry out service and repair
work on the sealed refrigeration system. During repair the refrigerant must
always be recovered, never vented to the atmosphere.
At the end of the service life of a Rheem heat pump, the refrigerant must
be recovered by personnel qualified and licensed to work with refrigerants
prior to the unit being disposed of. Refrigerants must not be vented to
atmosphere.
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