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INSTALLATION – SOLAR STORAGE TANK
The water heater must be located to ensure that the location of the flue terminal complies with the requirements
of AS/NZS 5601.1. As a guide the following requirements are extracted from the Gas Installations Standard.
The distances are measured along the wall behind the water heater.
•
At least 300 mm between the top of the flue terminal
and the eaves.
•
At least 300 mm between the flue terminal and the
edge of any opening into the building, such as an
openable door or window, measured horizontally*.
•
At least 1500 mm between the top of the flue terminal
and the edge of any opening into the building, such as
an openable window, measured vertically.
•
At least 300 mm between the flue terminal and a return
wall or external corner, measured horizontally*.
•
At least 1500 mm between the flue terminal and any
opening into a building, in the direction of the flue
discharge.
•
At least 500 mm between the flue terminal and a fence, wall or other obstruction, in the direction of the
flue discharge.
Note: * If these horizontal distances cannot be achieved, AS/NZS 5601.1 states an equivalent horizontal
distance measured diagonally from the nearest discharge point of the flue terminal to the opening may be
deemed to comply. Check with the local regulator.
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
Model
Temperature pressure relief valve setting
Expansion control valve setting *
Maximum mains supply pressure
With expansion control valve
Without expansion control valve
Minimum mains supply pressure
* Expansion control valve not supplied with the water heater.
TANK WATER SUPPLY
If the water heater is supplied with water from a tank supply and a minimum water supply pressure of 120 kPa
at the water heater cannot be achieved, then a pressure pump system must be installed to allow the in-series
gas booster to achieve its rated flow and performance. Care must be taken to avoid air locks. The cold water
line from the supply tank should be adequately sized and fitted with a full flow gate valve or ball valve.
Notes
•
It is not recommended to install this water heater with a low pressure water supply.
•
A minimum water supply pressure of 120 kPa is required to achieve the rated flow and performance of
the gas booster water heater.
•
If sludge or foreign matter is present in the water supply, it is recommended a suitable filter be incorporated
in the cold water line to the water heater.
•
This water heater is not suitable for connection to bore water or spring water unless a water treatment
device is fitted.
•
"Water Supplies"
Refer to
cold water connection diagram
160
1000 kPa
850 kPa
680 kPa
800 kPa
120 kPa
on page 18 for further information on water chemistry.
28
on page 42.
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