Weil-McLain Gold Plus 40, User Manual, Page: 123 / 124

Part number 550-100-090/0809
123
gas
-
fired water boiler
— Boiler Manual
MAINTENANCE & SPECIFICA
TIONS
Ratings — multiple Ultra boilers
(continued)
Figure 127
Engineering data (see Figure 128 for notes)
Boiler
Model
Ultra –
Shipping
weight
Operating
weight
Water
content
Water flow rate
per boiler
Vent/air pipe
size —
Provide a
separate vent
for each boiler
Electrical
service
required
Pounds
per boiler
Pounds
per boiler
Gallons
per boiler
GPM
@ 20°F rise
GPM
@ 40°F rise
Amps
per boiler
Note 4 Note 5 Note 6
80
199 139 0 7 7 1 3 6 2” or 3” 15 0
105
207 145 0 8 9 4 4 7 2” or 3” 15 0
155
234 181 1 2 13 9 7 0 3” 15 0
230
246 192 1 6 20 7 10 4 3” or 4” 15 0
299 297 229 2 1 27 9 14 0 4” 15 0
399
297 229 2 1 36 5 18 2 4” 15 0
Figure 128
Notes for Figure 126 and Figure 127-
1
Based on standard test procedures outlined by DOE for individual boilers.
2
Net I=B=R ratings are based on piping and pickup allowance of 1.15.
Consult Weil-McLain Technical Services for other allowances.
3
Foundation sizes in Figure 126 provide 6 inches between boilers and 2 inches from boiler to edge of foundation.
Smaller foundations are possible with reduced service clearances.
See page 54 for details.
For side-to-side installations, see • Figure 56, page 54.
For back-to-back installations, see • Figure 57, page 54.
4
Operating weight is the total weight of the boiler, including water.
5
Ultra-80 and -105 vent/air pipes can be either 2” or 3” pipe. Vent/air pipe length limits for 2” piping are not as long as for 3” piping.
Ultra-230 vent/air pipes can be either 3” or 4” pipe. Vent/air pipe length limits for 3” piping are not as long as for 4” piping.
All Ultra installations require a separate vent pipe and termination for each boiler. Vent piping cannot be manifolded . Install and
terminate vents as described in vent/air installation instructions in this manual.
Combustion air piping can be individually piped or manifolded. See Figure 59, page 55, for manifolded air piping.
6
Total amp requirement includes up to three circulators, not exceeding 2.2 amps per circulator.