Weil-McLain 380 User Manual page 18

Weil-McLain 80 Boiler For Gas, Light Oil, Gas/Light Oil Fired Burners
8
Model 1080 through 1280 steam boiler piping — NOTE minimum 24 inches between boiler water line and
bottom of header.
Condensate piping to boiler
18
Condensate receiver capacity
Boiler AHRI
Gallons
model gross
condensate
number output
per hour
15-minute
(lbs steam
per hour)
operation
380 278 33
480 396 48
580 515 62
680 634 76
780 753 90
880
872 105
980 991 119
1110 133
1229 148
1348 162
Note 1 — Maximum time to when condensate returns to boiler.
(continued)
Minimum condensate receiver
capacity (gallons) (Note 1)
30-minute 45-minute 60-minute
boiler boiler boiler boiler
operation operation operation
11 21 31 41
15 29 43 58
19 38 56 75
23 46 69 92
28 55 82 109
32 63 95 126
36 72 108 143
40 80 120 160
45 89 133 178
49 98 146 195
Part No. 550-141-935/0215
Recommended
condensate
feed pump
capacity
GPM at 15 PSI
1.2
1.6
2.1
2.6
3.1
3.5
4.0
4.5
5.0
5.4