Water Quality; Maintenance And Regular Care; Servicing And Repair - Rinnai SG175 Operation & Installation Manual

WARNINGS AND IMPORTANT INFORMATION
On
Electric Boosted system
•
Switch on the electric supply to the supplementary heating element(s)� The switch is usually marked and
located in the electricity meter box of the dwelling�
•
Switch on the electrical supply to the solar controller pump�
•
Electric and solar water heating will now occur as required. It may take a number of hours before hot water
is available�
Gas Boosted systems
•
Switch on the electrical supply to the gas booster�
•
Switch on the electrical supply to the solar controller and pump� Solar water heating will now occur�
•
Hot water is available immediately from the gas booster when hot water tap is opened, irrespective of solar
heat gain�

WATER QUALITY

The water quality of most public supplies is suitable for the water heating system. The water quality from bore wells
is generally unsuitable for the water heating system. Refer to the warranty booklet for water quality parameters
and how they affect the warranty conditions. If in doubt about the water quality, have it checked against the
parameters listed in the warranty conditions� The system is not suitable as a pool or spa heater�
Draining and Filling the Water Heating System
Draining or filling normally occur only during installation or servicing and must be carried out by an authorised
person�

MAINTENANCE AND REGULAR CARE

Operate the easing gear of the PTR as described in the section 'Safety Devices' on page 6�
The overflow tray (supplied by installer) and drain underneath the storage cylinder (if fitted) should be periodically
checked to ensure there are no blockages�

SERVICING AND REPAIR

Our Servicing network personnel are fully trained and equipped to give the best service on your appliance. If your
appliance needs service, ring the service contact numbers on the back of this booklet�
It is recommended that the system be serviced at least every 3 years�
The pressure and temperature relief valve and expansion control valve must be checked for performance or
replaced by an authorised person at intervals not exceeding 5 years or more frequently in areas where the water
is classified as scaling water (refer to the supplied warranty booklet).
It is recommended that the sacrificial anode fitted to vitreous enamel lined cylinders be inspected every 5 years or
more frequently in areas where there is a high incidence of water deposits. This does not apply to stainless steel
cylinders� Anodes suited to hard and soft water, are available from Rinnai�
If the electric conduit, power supply cord or plug to the water heater is damaged, they must be replaced by an
authorised person in order to avoid a hazard�
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