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COLLECTOR GLASS
The Rheem warranty DOES NOT cover breakage of solar collector glass. Check your household insurance
policy covers collector glass breakage.
Warning: No attempt should be made to remove or replace broken collector glass.
The collector glass is not offered as a replacement part. Should a solar collector require replacement, contact
Rheem Service or their nearest Accredited Service Agent.
TEMPERATURE PRESSURE RELIEF VALVE OR EXPANSION CONTROL VALVE RUNNING
•
Normal Operation
It is normal and desirable the temperature pressure relief valve or
expansion control valve (if fitted) allows a quantity of water to
escape during the heating cycle. This quantity should be equal to
approximately 1/50 of the hot water used, as water expands by this
volume when heated. However, if it discharges more than a bucket
full of water in 24 hours, there may be another problem.
The expansion control valve (if fitted) will discharge water instead of
the temperature pressure relief valve as it has a lower pressure
rating. A benefit is that energy is conserved as the discharged water
is cooler. This valve is installed in the cold water line to the water
heater (refer to the
cold water connection diagram
•
Continuous dribble
Try gently raising the easing lever on the relief valve for a few
"Relief Valves"
seconds (refer to
small particle of foreign matter and clear the fault. Release the lever
gently.
•
Steady flows for long period (often at night)
This may indicate the mains water pressure sometimes rises above the designed pressure of the water
heater. Ask your installing plumber to fit a pressure limiting valve.
Warning: Never replace the relief valve with one of a higher pressure rating.
•
Heavy flows of hot water from the temperature pressure relief valve until water heater is cold -
then stops until water reheats
The water heater must be switched off at the isolating switch or switchboard. Phone Rheem Service or
their nearest Accredited Service Agent to arrange for an inspection.
PRESSURE RELIEF VALVE DISCHARGING
A pressure relief valve is incorporated into the in-series gas booster
controls. This valve protects the in-series gas booster, by allowing water
to escape, in the event of excessive pressure build up in the waterways.
•
Normal operation
A small volume of water may discharge from the bottom of the in-
series gas booster when a hot tap is suddenly closed.
•
Continuous dribble
A continuous dribble may indicate the water supply pressure is
above the design pressure for the in-series gas booster. If so, a
pressure limiting valve must be installed on the cold water supply
pipe to the water heater (refer to
CLOUDS OF WHITE 'VAPOUR' FROM THE FLUE TERMINAL
During the heating cycle, it is not unusual to see water vapour clouds
steaming from the flue terminal, particularly on cold days. This is normal
operation of the in-series gas booster.
on page 42).
on page 9). This may dislodge a
"Mains Water Supply"
on page 28).
23
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