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45
INSTALLATION – WATER HEATER
THIS WATER HEATER IS FOR OUTDOOR INSTALLATION ONLY.
THIS WATER HEATER IS NOT SUITABLE FOR POOL HEATING.
Check the water heater is suitable for the gas type available.
(refer to the rating label on the water heater)
INSTALLATION STANDARDS
The water heater must be installed:
by a qualified person, and
in accordance with the installation instructions, and
in compliance with Standards AS/NZS 3500.4, and either AS 5601 or AS/NZS 5601.1 as applicable
under local regulations, and all local codes and regulatory authority requirements.
The Gas installations Standards AS 5601 and AS/NZS 5601.1 place limitations on the location of a gas
water heater within a covered area. Refer to “Installation within a Covered Area” on page 47.
All packaging materials must be removed from the water heater prior to its installation.
WATER HEATER APPLICATION
This water heater is designed for use in a single family domestic dwelling for the purpose of heating potable
water. Its use in an application other than this may shorten its life.
If this water heater is to be used where an uninterrupted hot water supply is necessary for the application or
business, then there should be back-up redundancy within the hot water system design. This should ensure
the continuity of hot water supply in the event that this water heater was to become inoperable for any
reason. We recommend you provide advice to the system owner about their needs and building back-up
redundancy into the hot water supply system.
The 874 series of water heater may be installed as an in-series gas booster to a solar water heater. For
information relating to the function and operation of the solar water heater, refer to the Owner’s Guide and
Installation Instructions supplied with the solar water heater.
Note: The 876 series water heater is marked “THIS APPLIANCE DELIVERS WATER NOT EXCEEDING
50°C IN ACCORDANCE WITH AS 3498” on the front panel. This model;
must not be installed as an in-series gas booster to a solar water heater, as water temperature greater
than 50°C can be delivered from the water heater contravening its compliance to AS 3498.
Note: AS 3498 requires that a water heater provides the means to inhibit the growth of Legionella bacteria in
potable water. When this water heater is used as an in-series booster for a solar water heater it can satisfy
this AS 3498 requirement provided it is energised, the booster preset outlet temperature setting is 70°C or
higher, and that a remote temperature controller is not used.
WATER HEATER LOCATION
The water heater is suitable for outdoor installation only and should be installed close to the most frequently
used outlet and its position chosen with safety and service in mind. If this water heater is part of a solar water
heater system, it should also be installed close to the solar storage tank. Make sure people (particularly
children) will not touch the flue terminal. The flue terminal and air inlet must be clear of obstructions and
shrubbery.
Clearance must be allowed for servicing of the water heater. The water heater must be accessible without
the use of a ladder or scaffold. Make sure the entire front panel can be removed for service. You must be
able to read the information on the rating plate. Remember you may have to take the entire water heater out
later for servicing.
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