21
UHE
-
F / EIH
-
F I&O Manual
IM100205
RD: APR 2019
RL: 02C
TOOLS REQUIRED
Screw driver or similar tool with a shaft to aid in alignment of rivet holes in tubes
COUPLER INSTALLATION
a special stainless steel coupler is for 1st connection
1.
Note the 2 holes opposite each other in the sidewall of the swaged end of the first tube (flanged)
2.
Install the
first tube
with 2 holes (swaged end) at the 3 and 9 o
’
clock position, with the
welded
seam located in the lower half of tube, facing downward
3.
The connection between tube 1 and 2 uses a special stainless steel coupler
. Slide the loos-
ened tube coupler on to the first tube, past the swage
4.
The second and third tubes have a
¼
”
hole in the sidewall at the female end.
5.
Slide second tube (stainless steel) over swaged end of first tube to align the hole in the second
tube with one of the holes in the first tube
6.
Final alignment of the holes can be accomplished using a screw driver or other tool
7.
IMPORTANT:
Insert
¼
”
rivet into the aligned holes to secure the tube connection
8.
Slide coupler (stainless steel at 1st joint) into position –
half onto each tube –
covering the rivet
9.
Tighten coupler bolts to 40 ft
-
lb
10.
Repeat steps 3 through 9 to install the 3rd tube (painted with sidewall hole) to the 2nd tube
11.
Install reflectors
-
return to installation instructions Section 9
9.2 SPECIAL COUPLING: 200,000 Btuh ULTRA Model
NOTE: The FIRST TWO tube connections (tube 1 to 2 and tube 2 to 3) experience
strong forces of expansion. Tubes 1, 2, and 3 have pre
-
drilled holes in sidewall.
•
200,000 Btuh MUST USE: 20 ft PRIMARY TUBE KIT TK
-
P200
-
UL
or
30 ft PRIMARY TUBE KIT TK
-
P230
-
UL
•
DO NOT USE ANY PRIMARY TUBE KIT DESIGNED FOR LESSER INPUTS
FIGURE 13 SPECIAL COUPLING: 200,000 Btuh
-
Connect 1st, 2nd & 3rd Tubes
-
Steps 3 to 6
Step 7
Steps 8 & 9
1/4”
Rivet
Welded seam in lower half of tube, is located
downward between 3 and 9 o
’
clock
Holes in swage of 1st tube: Install tube so holes are located
at 3 and 9 o
’
clock,
and
Steps 1
& 2
Special stainless steel coupler
at tubes 1 to 2 connection