User's Manual

BLACKHEAT
®
INSTALLATION OPERATION AND SERVICE MANUAL
54 of 74
Figure 34: Gas Connection with Stainless Steel Flex Connector
INCORRECT POSITIONS (WRONG INSTALLATION)
Heater Movement
Heater Movement
Heater Movement Heater Movement
CORRECT POSITIONS
Correct position with flex connector not supplied by Roberts-Gordon.
Burner
Stainless Steel Flexible Connector
supplied by Roberts-Gordon 1000 mm Long
Minimum Bend Radius 140 mm
Shut-Off Valve
Flex Line
Connector
45°
0°
45°
545 mm
minimum
Gas Supply Pipe
Flexible Gas Hose
1000 mm length
300 mm
Shut-Off Valve
(included with gas
hose) must be parallel
to burner gas inlet. The
80 mm displacement
shown is for the cold
condition. This
displacement may
reduce when the
system is fired.
80 mm
max. displacement
Side View
Heater Movement
CAUTION
Product Damage Hazard
Hold gas nipple securely with pipe wrench
when attaching gas hose.
Failure to follow these instructions can result
in product damage.