Rinnai Australia 25 Installation Manual
GENERAL INSTALLATION INSTRUCTIONS
HORIZONTAL OBSTRUCTIONS
AS/NZS 5601 ‘Gas Installations’ stipulates a minimum
horizontal clearance of 500 mm between a building
structure and obstruction facing the terminal. For Rinnai
external continuous flow water heaters such a building
structure must ‘obstruct’ the full front cover height of the
appliance, or extend vertically above and below the front
cover. There must be no partial obstructions to the front
cover of the appliance or any other parts of the appliance
casing. This will avoid the appliance failing to operate
under windy conditions.
MULTIPLE INSTALLATIONS OF EXTERNAL MODELS
Dimension ‘h’ above does not apply when multiple Rinnai
external water heaters of the same model are installed on
the same vertical face with flue terminals at the same
height. Under these conditions appliances can abut each
other as shown. The total gas consumption of all
appliances applies when determining other clearances.
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