Weil-McLain 4 Series Manual page 58

®
Series 4
Multiple boiler installations
Placing multiple boilers
1. Locate multiple boilers in boiler room according to:
a. Figure 56 (side-to-side), or
b. Figure 57 (back-to-back).
c. Figure 58 (wall mounting).
2. Provide indicated clearances around boilers for
access and servicing. If recommended dimensions
are not possible, provide at least the minimum
clearances given on page 5 . Also follow local codes.
3. Construct boiler foundation if boiler room fl oor
is uneven or if there is a danger of fl ooding. Size
foundation to allow for clearance and spacing di-
mensions shown in the illustrations at right.
4. Chalk line boiler locations on foundation or boiler
room fl oor.
5. Uncrate, assemble and mount boilers according to
instructions in this manual.
6. Provide clearance for installation of venting, air
piping, gas piping, expansion tank, primary circula-
tor and other accessories.
Wall mounting
(Ultra Models 80 – 399)
1. Ultra boilers may be wall mounted, following the
instructions on page 50 . (See Repair parts section
for part number of wall mounting kit.)
2. When wall mounting boilers, provide approxi-
mately 6 inches between boilers for easy removal
of boiler jacket door. See Figure 58 .
3. Follow all applicable codes regarding piping, electri-
cal connections and clearances.
4. When wall mounting boilers, verify the wall con-
struction is suitable for the structural load. See
page 50 for details.
58
gas-fired water boiler — Boiler Manual
Figure 56
Figure 57
Figure 58
Part number 550-100-400/0119