INSTALLATION – SOLAR STORAGE TANK
26
A secondary flue is not required. The water heater must not be installed indoors or in a confined space.
The water heater must be located to ensure that the location of the flue terminal complies with the requirements
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, and apply to the 26 litre gas booster.
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.
The water heater can be turned through 60°, either to the left or to the right, with the discharge from the flue
terminal discharging along the wall.
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
on page 45.
Model
270
Temperature pressure relief valve setting
1000 kPa
Expansion control valve setting *
850 kPa
Maximum mains supply pressure
With expansion control valve
680 kPa
Without expansion control valve
800 kPa
Minimum mains supply pressure
140 kPa
* Expansion control valve not supplied with the water heater.
Notes
It is not recommended to install this water heater with a low pressure water supply.
A minimum water supply pressure of 140 kPa is required to achieve the rated flow and performance of
the gas booster water heater.
This water heater is not suitable for connection to bore water or spring water unless a water treatment
device is fitted.
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.
Refer to
on page 17 for further information on water chemistry.
26 litre gas booster