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INSTALLATION
26
You must be able to read the information on the rating plate. If possible leave
headroom of one water heater height so the anode can be inspected or replaced.
Remember you may have to take the entire water heater out later for servicing.
The water heater is to be installed at ground or floor level and must stand
vertically upright on a stable base as acceptable to local authorities. The base of
the water heater is made of corrosion resistant material, and it may be placed
directly in contact with the supporting surface. It is not necessary to allow for free
air circulation under the base of the water heater.
Note: The water heater should not be placed in direct contact with a concrete
surface that is less than two months old and not fully cured as this may attack
the metal coating of the water heater base. A moisture barrier should be used
between the two surfaces in this instance.
Alternatively, a 080 model may be hung on a wall capable of taking the weight of
the filled water heater. A wall bracket kit (PN 299120) is available from Rheem.
Refer to the instructions supplied with the kit.
Remember all local authorities have regulations about putting water heaters into
roof spaces.
SAFE TRAY
Where damage to property can occur in the
event of the water heater leaking, the water
heater must be installed in a safe tray.
Construction, installation and draining of a safe
tray must comply with AS/NZS 3500.4 and all
local codes and regulatory authority
requirements. AS/NZS 3500.4 also has
particular requirements when a safe tray must
be installed.
MAINS WATER SUPPLY
Where the mains water supply pressure exceeds that shown in the table below,
an approved pressure limiting valve is required and should be fitted as shown in
the cold water connection diagram on page 36.
Model
080 to 160
250 to 400
Temp press relief valve setting
1400 kPa
1000 kPa
Expansion control valve setting*
1200 kPa
850 kPa
Max. mains supply pressure
With expansion control valve
960 kPa
680 kPa
Without expansion control valve
1120 kPa
800 kPa
* Expansion control valve not supplied with water heater
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