Weil-McLain 2 Series Manual page 104

series
GV90+
Dimensions and ratings
Multiple GV90+ boilers — ratings and engineering data — maintain the clearances shown on
Figure 110
see the figures on
Boilers in system
Model GV90+
3 4 5
2
2
2
3
3
3
4
4
4
5
5
5
6
6
6
7
7
7
8
8
8
Note 1
Based on standard test procedures outlined by DOE for individual boilers.
Net AHRI ratings are based on piping and pickup allowance of 1.15.
Note 2
Consult Weil-McLain Technical Services for other allowances.
All GV90+ installations require a separate vent pipe and termination for each boiler.
terminate vents as described in vent/air installation instructions in this manual.
Note 3
Combustion air piping can be individually piped or manifolded. See Figure 37, page 31, for manifolded air piping.
104
gas-fired water boiler – boiler manual
2
page 23 for layout options
Total
CSA
input
Input,
MBH
6
-
140
210
280
2 350
210
315
420
3 525
280
420
560
4 700
350
525
700
5 875
420
630
840
6 1050
490
735
980
7 1225
560
840
1120
8 1400
(continued)
DOE Heating Boiler
capacity H.P.
Output,
-
MBH
Note 1 -
130 3.9
194 5.8
260 7.8
322 9.6
195 5.8
291 8.7
390 11.7
483 14.4
260 7.8
388 11.6
520 15.5
644 19.2
325 9.7
485 14.5
650 19.4
805 24
390 11.7
582 17.4
780 23.3
966 28.9
455 13.6
679 20.3
910 27.2
1127 33.7
520 15.5
776 23.2
1040 31.1
1288 38.5
pages 6
Manifolded
Net water
combustion air
ratings
duct size
MBH
Note 2
Figure 37, page 31
112
168
226
280
168
252
339
420
224
336
452
560
280
420
565
700
336
504
678
840
392
588
791
980
448
672
904
1120
Vent piping cannot be manifolded
Part number 550-143-010/1021
and 7 —
Square
inches
Note 3
70
105
140
175
105
158
210
263
140
210
280
350
175
263
350
438
210
315
420
525
245
368
490
613
280
420
560
700
. Install and