Table Of Contents - Weil-McLain UltraOil 2 Series Manual

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Series 2
WATER BOILER -
Boiler Manual
Ratings
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Boiler AHRI DOE CSA CSA
Model Burner Heating Input Output
Number Capacity Capacity
GPH#20il MBH MBH Btuh
Notes: Notes 1, 6 Notes 2, 6 Note2
U0·3
0.80 98 112 98
0.8 GPH
U0·3
1.00 122 140
122
1.0 GPH
U0·4 1.20 146 168 146
U0·5
1.40
172 196
172
Notes:
( 1) Based on standard test procedures prescribed by the
United States Department of Energy at combustion
condition of 13.0% C02 and -0.02" w.c. breeching
draft.
(2) Ratings shown are for sea level applications only.
For altitudes above 2,000 feet, derate the product
capacity by 4o/o per 1,000 feet above sea level.
(3) Net AHRI ratings are based on net installed
radiation of sufficient quantity for the requirements
of the building and nothing need be added for
Part number 550-141-987/0912
Net
AHRI
Ratings
MBH
Notes3,6
85
106
127
150
H
Boiler Shipping DOE Flue Draft
Water Weight, Seasonal Conn. Loss
Content Approx. Efficiency Size Through
Boiler
Gallons Pounds
AFUE
o/o
Inches
w.c.
Note4
NoteS
15.0 636 86.5
6"
0.000
15.0 636 86.5
6"
0.020
18.3 737 86.2
6"
0.025
21.5 852 86.5
6"
0.040
normal piping and pick-up. Water ratings are based on
a piping and pick-up allowance of 1.15. An additional
allowance should be made for unusual piping and pick-
up loads. Consult local Weil-McLain Sales Office.
( 4) See page 12 for minimum breeching and chimney sizing.
( 5) Boiler draft losses are based on operation at lllf2o/o C0
2
•
Set breeching draft at -0.02 inch water column.
( 6) MBH refers to thousands of Btu per hour.
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