Section 12: Gas Piping; Figure 32: Gas Connection With Stainless Steel - Roberts Gorden Blackheat BH15UT Installation, Operation & Service Manual

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B I
LACKHEAT NSTALLATION

SECTION 12: GAS PIPING

WARNING
Fire Hazard
Tighten gas line fittings to connect gas supply
according to Figure 32.
Flex gas line can crack when twisted.
Gas line moves during normal operation.
Failure to follow these instructions can result in death,
injury or property damage.
It is important that the gas supply pipe and the electrical
connections do not support any of the heater's weight.
A gas meter is connected to the service pipe by the Gas
Supply Company. An existing meter should be checked,
preferably by the Company to ensure that the meter is
adequate to deal with the rate of gas supply required.
Figure 32: Gas Connection with Stainless Steel Flex Connector
Stainless Steel Flexible Hose
1000 mm Long
Minimum Bend Radius 140 mm
44
O S M
PERATION AND ERVICE ANUAL
Installation pipes must be fitted in accordance with
National Standards. Pipe work from the meter to the
heater(s) must be of adequate size. Pipes of smaller size
than the heater inlet gas connection should not be used.
Connect the heater to the gas supply using an approved
flexible gas hose of 1 m length and a shut-off valve. See
Page 44, Figure 32.
IMPORTANT - the complete installation must be tested
for gas soundness and be purged in accordance with
National Standards.
Shut-Off Valve
Gas Supply Pipe
Flex Line
Connector
545 mm
minimum
Burner
Hold gas nipple securely
with pipe wrench when
attaching the flex gas
connector.
0°
45° 45°