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The anti-freeze control of the solar circuit is designed so there is no closed circuit fluid in the solar collectors
or solar hot and solar cold pipes when the pump is off. The solar circuit only contains closed circuit fluid when
the pump is operating during periods of solar gain when heating is required. When the solar pump stops
operating, the closed circuit fluid drains back into the storage tank heat exchanger.
Gas Booster Water Heater
The in-series gas booster has a frost protection system. The frost protection system will protect the in-series
gas booster from damage by preventing ice forming in its waterways, in the event of freezing conditions
occurring.
The frost protection system will be rendered inoperable if electrical power is not available at the in-series gas
booster
Pipe work to and from the in-series gas booster must be adequately insulated to prevent freezing. Refer to
AS/NZS 3500.4 for precautions to be taken for installations in frost prone areas.
Damage to the in-series gas booster caused by either the unavailability of power at the gas booster or freezing
of the pipe work to or from the gas booster is not covered under the Rheem warranty. Refer to
Rheem Warranty"
on page 62.
REDUCING HEAT LOSSES
The cold water line to and the hot water line from the water heater must be insulated in accordance with the
requirements of AS/NZS 3500.4. The insulation must be weatherproof and UV resistant if exposed.
The full length of the solar hot and solar cold pipes between the solar storage tank and the solar collectors
MUST BE insulated. Refer to
ANODE
The vitreous enamel lined cylinder of the water heater is only covered by the Rheem warranty when the total
dissolved solids (TDS) content in the water is less than 2500 mg/L and when the correct colour coded anode
is used. If an incorrect colour coded anode is used in the water heater, any resultant faults will not be covered
by the Rheem warranty. In addition, the use of an incorrect colour coded anode may shorten the life of the
water heater cylinder.
The correct colour coded anode for the water supply being used must be selected and fitted to the water heater
for the Rheem warranty to apply to the water heater cylinder (refer to
Anode Selection chart
on page 14). The black anode is typically fitted as standard.
If the water supply has a TDS greater than 150 mg/L and a green anode has not been changed to a black
anode, or if the TDS is greater than 600 mg/L and the anode has not been changed to a blue anode, there is
the possibility the anode may become overactive and hydrogen gas could accumulate in the top of the water
heater during long periods of no use. In areas where this is likely to occur, the installer should instruct the
householder on how to dissipate the gas safely (refer to
SADDLING - PIPE WORK
To prevent damage to the cylinder when attaching pipe clips or saddles to the water heater jacket, we
recommend the use of self-drilling screws with a maximum length of 13 mm. Should pre drilling be required,
extreme caution must be observed when penetrating the jacket of the water heater.
Note: If the cylinder or other components are damaged as a result of attaching pipe clips or saddles
to the jacket, any resultant faults will not be covered by the Rheem warranty.
"Warning: Plumber Be Aware"
Total Dissolved Solids
0 – 40 mg/L
40 – 150 mg/L
150 – 400 mg/L
400 – 600 mg/L
600 – 2500 mg/L
2500 mg/L +
INSTALLATION – SOLAR STORAGE TANK
on page 37.
"Water Supplies"
Anode colour code
Green
Green or Black
Black
Black or Blue
Blue
Blue (no cylinder warranty)
"Caution"
on page 15).
29
"Terms of the
on page 14 and the
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