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Type ‘B3’ is a sliding reflector suspension
bracket and NOT fastened to the reflector.
An oversized extra long ‘floating U bolt’ with
‘stop nuts’ is located on the 4” burner tube
ONLY as indicated and bolted into position.
Clearance of 1/8” must be provided above
the tube to allow for thermal expansion.
Type ‘C’ is a reflector support bracket to
retain the reflector (certain UT models).
Slip the brackets onto the tubes in correct order
and fix at correct points as shown on the
relevant assembly drawing.
Ensure fixings are tight to brackets
2.2.3.2 Tube alignment sections
(For 170 & 200 U-Tube Angle Mounted
Installations ONLY).
To allow for differential expansion of the tubes,
a tube alignment assembly is fitted to the first
bracket on the fan side radiant tube.
Position U bolt tube alignment sections over the
tube and through bracket prior to clamping.
2.2.3.1 U-Tube Heaters
Type ‘A2’ is a fixed reflector suspension
bracket, tabbed with reflector fixing points.
An extra long ‘floating U bolt’ with ‘stop
nuts’ is located on the firing tube ONLY as
indicated and bolted into position.
Clearance of 1/8” must be provided above
the tube to allow for thermal expansion.
Type ‘A3’ is a fixed reflector suspension
bracket, tabbed with reflector fixing points.
An oversized extra long ‘floating U bolt’
with ‘stop nuts’ is located on the 4” burner
tube ONLY as indicated and bolted into
position.
Clearance of 1/8” must be provided above
the tube to allow for thermal expansion.
This bracket is ALWAYS closest to the
burner.
Type ‘B’ is a sliding reflector suspension
bracket and NOT fastened to the reflector.
Type ‘B2’ is a sliding reflector suspension
bracket.
An extra long ‘floating U bolt’ with ‘stop
nuts’ is located on the firing tube ONLY as
indicated and bolted into position.
Clearance of 1/8” must be provided above
the tube to allow for thermal expansion.
Note. The first bracket, ‘A3’ on 3” UT
heaters have an oversized ‘U’ bolt on
the burner leg to accommodate the 4”
burner spigot.