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SAVE A SERVICE CALL
44
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 water heater.
PRESSURE RELIEF VALVE DISCHARGING
A pressure relief valve is incorporated into the water heater controls.
This valve protects the water heater, 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
water heater 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 water heater. If so, a pressure
limiting valve must be installed on the cold water supply pipe to
the water heater (refer to “Mains Water Supply” on page 47).
ERROR CODE
The water heater provides a diagnostic error code in the event of an interruption to its operation. The error
code is displayed on the controller(s) (if installed) and on the OK MONITOR on the front of the water heater
as a numerical value. If an error code appears:
Close the hot tap, turn off the controller(s) and switch off the
electrical supply to the water heater.
Check the gas isolation valve at the gas inlet to the water heater is
fully open.
Wait 5 minutes, then switch on the electrical supply to the water
heater, turn on a controller and open a hot tap.
If the error code persists, take note of the numerical code, turn off the
hot tap and turn off the controller(s). Phone Rheem Service or their
nearest Accredited Service Agent to arrange for inspection.
HIGHER THAN EXPECTED GAS BILLS
Should you at any time, feel your gas bill is higher than expected, we suggest you check the following points:
Is one outlet (especially the shower) using more hot water than
you think?
Carefully review the family’s hot water usage. Inexpensive flow
control valves can be easily fitted to the shower outlets to reduce
water usage.
Is the in-series gas booster operating too frequently?
Refer to “Gas Booster Operating Too Frequently” on page 43.
Has there been an increase in hot water usage?
An increase in hot water usage will result in an increase in water
heater operation.
Has your water heating tariff rate been increased by your gas retailer since your previous bill?
IF YOU HAVE CHECKED ALL THE FOREGOING AND STILL BELIEVE YOU NEED ASSISTANCE,
PHONE RHEEM SERVICE OR THEIR NEAREST ACCREDITED SERVICE AGENT.
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