14
SAVE A SERVICE CALL
Check the items below before making a service call. You will be charged for attending to any condition or fault
that is not related to manufacture or failure of a part.
IN-SERIES BOOSTER OPERATING TOO FREQUENTLY
You may find that the in-series booster operates more frequently than expected. This will occur when the solar
heated water temperature is lower than the temperature setting of the in-series booster. This may be
experienced during periods of low solar energy gain or if there has been heavy hot water usage.
Hot tap not used recently
If a hot tap has not been used for a while, the water in the pipe work between the solar water heater and
the in-series booster may have cooled down. The in-series booster will sense the cooler water and this
will cause the in-series booster to operate and boost the water temperature when a hot tap is first turned
on. The in-series booster will de-energise when solar heated water from the solar storage tank of a
temperature higher than the booster’s thermostat setting reaches the booster.
Solar Controller
Check the power supply cord to the solar water heater is plugged in and the power outlet switched on.
Is power available in the house? Try using another electrical appliance.
Insufficient sunlight
Insufficient sunlight due to cloudy weather during hotter months or low solar energy contribution in colder
months may mean the in-series booster operates more often.
Collectors shaded
If trees or other objects shade the solar collectors or if the glass is dirty, the effectiveness of the solar
collectors will be greatly reduced. Have the trees trimmed or the solar collectors relocated if the obstruction
is permanent or clean the collector glass (refer to “Collector Glass” on page 10).
Collector area is too small
For most installations, the number of solar collectors recommended in Rheem literature has been proven
to provide the required solar energy to meet the average family needs. However, in some circumstances,
it may be necessary to install an additional solar collector.
Are you using more hot water than you think?
Is one outlet (especially the shower) using more hot water than you think?
Very often it is not realised the amount of hot water used, particularly when showering. Carefully review
the family’s hot water usage. As you have installed an energy saving appliance, energy saving should
also be practised in the home. Adjust your water usage pattern to take advantage of maximum solar gains.
Have your plumber install a flow control valve to each shower outlet, basin and sink to reduce water usage.
Temperature pressure relief valve running
Is the relief valve discharging too much water?
Refer to “Temperature Pressure Relief Valve Running” on page 15.
Green LED is off or red LED is flashing on Solar Monitor
If the green LED is off or the red LED is flashing on the Solar Monitor label, there may be a problem with
the solar water heater operation and solar gain is not being achieved. This will result in the booster
operating to provide all of the hot water required.
Switch off the electrical supply at the power outlet to the solar storage tank for a few seconds, then switch
on again.
If the green LED remains off or the red LED recommences to flash, then count the number of flashes and
phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection.
Water heater size
Do you have the correct size water heater for your requirements? The sizing guide in the sales literature
and on the Rheem website (www.rheem.com.au) suggests average sizes that may be needed.
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