Ratings - Weil-McLain UltraOil Series 3 Installation, Start-Up, And Operating Instructions Manual

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Series 3

Ratings

DOE
Boiler
Burner Input
Model
GPH
Number
Notes 2, 6,
UO-3RE 0.80
Note 7 Note 7
UO-3E 1.00
UO-4E 1.20
UO-5E 1.40
Notes:
(1) Based on standard test procedures prescribed by the
United States Department of Energy at combustion
condition of 13.0% CO
2
draft.
(2) Ratings shown are for sea level applications only.
For altitudes above 2,000 feet, derate the product
capacity by 4% per 1,000 feet above sea level.
(3) Net AHRI ratings are based on net installed
radiation of suffi cient quantity for the requirements
of the building and nothing need be added for
Part number 550-142-182/1014
— Boiler Manual
WATER BOILER
AHRI Certifi ed Ratings
Heating Seasonal
Capacity Effi ciency
MBH MBH AFUE %
Notes 1, 6 Notes 2, 6
112 98
140 123
168 148
196 173
and –0.02" w.c. breeching
Net Boiler
Rating Water
(water) Content
MBH Gallons
Notes 3,6
87 86 15.0
87 107 15.0
87 129 18.3
87 150 21.5
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.
(4) See page 12 for minimum breeching and chimney sizing.
(5) Boiler draft losses are based on -0.02" in breeching.
(6) MBH refers to thousands of Btu per hour.
(7) A burner nozzle change is required-refer to the burner
instructions or boiler's rating label for correct selection.
For Beckett AFG, use the burner low fi re rate baffl e when
reducing rate.
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Draft
Flue Shipping Loss
Conn. Weight, Through
Size Approx. Boiler
Inches Pounds Inches w.c.
Note 4 Note 5
6" 636 0.000
6" 636 0.020
6" 737 0.050
6" 852 0.040
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