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7) NOTE: 175,000 & 200,000 Btuh Systems:
The second tube is unpainted aluminized steel for the 175,000 & 200,000
FOR ALL OTHER FIRING RATES: See FIG 11 below
Slide the female end of the second tube over the swage of the first tube
a) Ensure that the swage on the first tube is fully inserted into the second tube
b) Adjust the hanger so that it is located on the second tube, approximately 2" (5 cm) from
the end of the tube – in this location the hanger supports both tubes.
c) Slide the Torctite coupler into position across the center of the joint
d) IMPORTANT: TOURQUE THE COUPLER BOLTS TO 40 ft-lbs
e) The coupler is now in place on the 'burner-end' side of the hanger
FIGURE 11 TUBE COUPLER
. Upstream tube
1
2. Tube Coupler
3. Swaged section of upstream tube
4. Line of the joint—end of downstream tube
8) CHECK THAT THE SECOND TUBE IS LEVEL, ALIGNED HORIZONTALLY AND VERTI-
CALLY WITH THE FIRST TUBE – MAKE ADJUSTMENT AT SUSPENSION POINTS
AS REQUIRED—THE WELDED SEAM ALONG TUBE LENGTH MUST FACE DOWN
9) Install the reflector over the second tube and fasten to hanger at each end
10) Repeat these steps assembling one section of tube and reflector at a time until the system
is complete
11)
ENSURE THAT THE SYSTEM IS LEVEL AND THAT ALL TUBES ARE ALIGNED HORI-
ZONTALLY AND VERTICALLY – MAKE ADJUSTMENT AT SUSPENSION POINTS AS
REQUIRED—WELDED SEAM OF 1st & 2nd TUBES MUST FACE DOWN
12)
Mount the Burner to the first tube flange using the four nuts and bolts provided (FIG 12)
SPW2, STW2(S) / IWP2, IW2(S) I&O Manual
IM170629
RL: 03C
RD: APR 2019
Refer to Section 9.1, Fig 13
•
1
4
2
Once the two tubes are joined together, center
the Coupling over the joint and torque coupler
bolts to 40 ft/lbs.
22
3
(See Section 10)
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