Weil-McLain Ultra Manual page 107

-
gas fired water boiler
Ratings — multiple Ultra boilers
Figure 115
Engineering data (see Figure 116 for notes)
Shipping
Boiler
weight
Model
Ultra –
Pounds
per boiler
80
199
105
207
155
234
230
246
310
297
Figure 116
Notes for Figure 114 and Figure 115
Based on standard test procedures outlined by DOE for individual boilers.
1
Net I=B=R ratings are based on piping and pickup allowance of 1.15.
2
Consult Weil-McLain Technical Services for other allowances.
Foundation sizes in Figure 114 provide 6 inches between boilers and 2 inches from boiler to edge of foundation.
Smaller foundations are possible with reduced service clearances.
3
See page 7 for details.
• For side-to-side installations, see
• For back-to-back installations, see
4
Operating weight is the total weight of the boiler, including water.
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.
5
All Ultra installations require a separate vent pipe and termination for each boiler.
terminate vents as described in vent/air installation instructions in this manual.
Combustion air piping can be individually piped or manifolded. See Figure 31, page 30, for manifolded air piping.
6
Total amp requirement includes up to three circulators, not exceeding 2.2 amps per circulator.
Part number 550-100-066/0608
— Boiler Manual
Operating Water
weight content
Pounds
Gallons
per boiler
per boiler
Note 4
139 0.7
145 0.8
181 1.2
192 1.6
229 2.0
Figure 2, page 7.
Figure 3, page 7.
(continued)
Water flow rate
per boiler
GPM GPM
@ 20°F rise @ 40°F rise
7.1 3.6
9.4 4.7
13.9 7.0
20.7 10.4
28.9 14.5
Vent piping cannot be manifolded
Vent/air pipe Electrical
size — service
Provide a required
separate vent
Amps
for each boiler
per boiler
Note 5 Note 6
2" or 3" 15.0
2" or 3" 15.0
3" 15.0
3" or 4" 15.0
4" 15.0
. Install and
107