8
SAFETY, WARNINGS, INSTALLATION NOTES
It is important you read the following safety and warnings information.
SAFETY AND WARNINGS
• This water heater is only intended to be operated by persons who have the experience or the knowledge
and the capabilities to do so.
• This water heater is not intended to be operated by persons with reduced physical, sensory or mental
capabilities i.e. the infirm, or by children. Children should be supervised to ensure they do not interfere
with the water heater.
• If the electrical conduit to the solar storage tank 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.
• This water heater uses 220 V - 240 V a.c. electrical power for operation of the control systems and the
electrically operated components. The removal of the side cover will expose 220 V - 240 V a.c. wiring. It
must only be removed by a qualified person.
• This water heater is supplied with a thermostat, over-temperature cut-out, a combination temperature
pressure relief valve and a 52H series model also has a closed circuit pressure relief 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 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.
• DANGER: The operation of the over-temperature cut-out on a 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.
• Do not touch any exposed pipe work or fittings connecting the solar storage tank and the solar collectors,
as this may result in a burn injury. Very high temperature closed circuit fluid or hot water and in some
circumstances high temperature steam can be generated by the solar collectors under certain conditions
and this flows through the pipe work from the solar collectors to the solar storage tank.
Note: Any exposed pipe work or fittings in the collector circuit where the installation is in a trafficable area,
such as on an accessible roof, should be attended to and covered with insulation. Phone Rheem Service
or their nearest Accredited Service Agent to arrange for an inspection.
• Do not remove the closed circuit relief valve (52H series model) as there may be a very high scalding risk
present. When operating in daylight, the heat exchange circuit will be pressurised and can contain
superheated fluid and may contain steam. At other times, the circuit may be pressurised and contain high
temperature fluid.
• Should the water from a 52H series water heater appear blue or if blue closed circuit fluid is noticed around
the base of the water heater or solar collectors, this indicates a leak of the closed circuit fluid from the heat
exchanger or the solar collectors. The closed circuit fluid is non-toxic and not hazardous to health. Phone
Rheem Service or their nearest Accredited Service Agent to arrange for an inspection.
• The water heater under normal use and summer solar conditions should heat the water in the solar storage
tank to 60°C to 75°C. This water temperature can be exceeded and reach up to 95°C during periods of
high solar radiation conditions and reduced hot usage. During times of low solar energy gain or if boosting
of the water temperature is required, an electric heating unit will heat the water temperature to 60°C or up
to 70°C depending upon the thermostat setting.
Refer to “Solar Operation” on page 11 and to “How Hot Should The Water Be?” on page 12.
• For continued safety of this water heater it must be installed, operated and maintained in accordance with
the Owner’s Guide and Installation Instructions.
• Servicing of a water heater must only be carried out by qualified personnel. Phone Rheem Service or their
nearest Accredited Service Agent.
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