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Gas connection
Gas pipe sizing must consider the gas input to this appliance, as well as other gas
appliances in the premises. The gas supply termination is inside the heater, and enters
from the rear right hand side of the appliance.
To ensure correct positioning
terminate the gas supply so it is
80 mm in from the front face of
the enclosure opening.
Purging gas supply
Foreign materials and debris
such as swarf, filings etc. must
be purged from the gas supply.
Failure to do so may cause
damage to the control valve
causing it to malfunction.
Direct flue wall penetration
requirements
Use the guide pictured to mark
the penetration points for the
gas supply and flue transition
locations. Consideration must
be given to the position of
any studs, noggins or other
components of the wall
structure on both sides of the
wall.
Mark these measurements
accurately as this is critical to a
successful installation.
The penetration for the
flue transition only needs
to be made for direct flue
installations, where the terminal
is to be terminated directly to
the rear of the appliance.
Flue pipe penetration
Centreline of enclosure
Ø 85~95
378
All dimensions are in mm.
Correct positioning of the gas supply
Gas supply penetration
400
55
Direct flue wall penetration points
Arriva 752 Installation Guide: 12218-D 04-14 | 7
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