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ABOUT YOUR WATER HEATER
SAFETY
This water heater is supplied with a thermostat, two over-temperature energy cut-outs, a combination
temperature pressure relief valve and a temperature limiting valve. These devices must not be tampered with
or removed. The water heater must not be operated unless each of these devices is fitted and is in working
order.
The operation of the over-temperature cut-out on the thermostat indicates a possibly dangerous situation. If
the over-temperature cut-out operates, it must not be reset and the water heater must be serviced by a
qualified person.
If the electrical supply conduit to the water heater is damaged, it must be replaced by a qualified person in
order to avoid a hazard. Phone Rheem Service or their nearest Accredited Service Agent to arrange for an
inspection.
Warning: For continued safety of this water heater it must be installed, operated and maintained in
accordance with the Owner‟s Guide and Installation Instructions.
The Rheem warranty may not cover faults if relief valves or other safety devices are tampered with or
if the installation is not in accordance with these instructions.
OPERATING MODE MONITOR
An operating mode monitor is located on the front of the heat pump module and houses a green and a red
LED.
The green LED, marked "NORMAL", indicates the current
operating mode of the heat pump water heater and the red
LED, marked "ATTENTION", indicates a fault mode.
The green LED will emit either a constant glow or a series of
flashes, with a 2 second interval between each series. A
series of long green flashes may also be emitted.
The red LED will emit a series of flashes, with a 2 second
interval between each series, only if there is a particular fault
condition with the system.
The modes are:
Flashes
Operational Modes
solid green
Standby mode – water is hot
(remains on)
Call for heating received – system checks performed
1 x green
Note: unit may wait and continue flashing until compressor has cooled from its last operation
2 x green
Circulator commences circulation
3 x green
Heat pump operation – compressor and fan running
long green
Heating unit on – ambient air temperature below 3°C to 5°C or above 45°C to 55°C
No power at the water heater or to the heat pump or a possible fault condition
no green
(remains off)
Refer to notes below before calling for service
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