Free-Standing Back To Back - A.O. Smith Upsilon Installation And Service Manual

5.3 Free-standing back-to-back
Figure 5.3.a
Figure 5.3.b
Figure 5.3.c
Figure 5.3.d
Figure 5.3.e
Figure 5.3.f
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Figure 5.3.g
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A. Position the pipe work header in the required location. When using several pipe work
headers: couple the pipe work headers with the supplied gaskets, M12 (DN65) or M16
(DN100) bolts, spring washers and nuts. Align the pipe work header(s) horizontally
using the adjustable feet.
B. Place the gas line in its intended recess. When using several pipe work headers:
Couple the gas lines using the supplied DN50/DN65 gaskets, M12 bolts, spring
washers and nuts. Refer to figure 5.3.b.
Fasten the gas line with the 2 special close tolerance bolts M6x8x16 on each
flange of the pipe work header(s). Refer to figure 5.3.c.
C. Fit the L-columns on the flange plate using 2 x bolts M8x40x70mm.
Attention: Use the correct holes in the column!
When using a left flange plate: use the right-hand holes in the column.
When using a right-hand flange plate: use the left-hand holes in the column.
D. Fit a mounting frame on the L-column using 3x bolt M8x50mm. Refer to figure 5.3.e.
Attention: mounting rail at the top.
E. Fit a mounting frame on the other L-column using 3-x bolt M8x50mm. Refer to figure
5.3.f.
If boilers also have to be fitted on the other side of the L-column then the next moun-
ting frame also has to be fitted straight on it.
F. Fit the remaining L-column(s) between the mounting frames using 3x M8x50mm.
Refer to figure 5.3.f.
G. Hang the boilers on the front and rear of the frame on the mounting rail.
Lift the boiler only by the special grips on the bottom panel (1) and support
the boiler by its rear panel (2). Refer to figure 5.3.g.
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Lifting and carrying precautions:
- Lift only a manageable weight, or ask for help.
- When lifting the boiler, bend the knees, and keep the back straight and feet apart.
- Do not lift and twist at the same time.
1 - Lift and carry the boiler close to the body.
- Wear protective clothing and gloves to protect from any sharp edges.
Continue with chapter 5.4
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