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Model
Number
UCS-380
1000 Btu/hr (British Thermal Units Per Hour)
(1)
Heating Capacity and AFUE (Annual Fuel Utilization Efficiency) are based on DOE (Department of Energy)
(2)
test procedures.
Net AHRI Ratings based on piping and pickup allowance of 1.15. Contact Technical Support before selecting boiler for
(3)
installations having unusual piping and pickup requirements, such as intermittent system operation, extensive piping
systems, etc.
12.1 Ratings and Capacities
• Constructed and hydrostatically tested for maximum
allowable working pressure of 80 psig (pounds per
square inch gauge) (663 kPa) in accordance with
ASME Boiler and Pressure Vessel Code, Section IV,
Rules for Construction of Heating Boilers.
• In USA, for elevations beyond 2,000-ft reduce
input by 4% for each 1,000-ft above sea level in
accordance with National Installation Code ANSI
Z223.1
• In Canada, input rate is reduced by 10% for
elevations 2,000-ft to 4,500-ft. Contact Provincial
Authority having jurisdiction for Installations above
4500-ft (1350m) above sea level.
12 - RATINGS AND CAPACITIES
TABLE 14: SEA LEVEL RATINGS
NATURAL AND PROPANE GASES
Input, (MBH)
(1)
Maximum
Minimum
379
35
Net AHRI Rating,
Gross Output
Water (MBH)
(MBH)
(1)(2)
348
Central Heating
0-2,000 Ft
Heating Input
MBH
(Gross)
kW
Heat Output
Btu/h
(modulating)
kW
Gas Rate A
ft3/h
(Natural Gas)
m3/h
Gas Rate E
ft3/h
(LPG Gas)
m3/h
Max. CH
°F
Water Temp.
°C
(Approx.)
69
Thermal
(1)(3)
Efficiency
303
95.0
MAX
2,000-4,500 Ft
0-610 m
610-1,370 m
379
360
111.07
105.56
348,040
330,990
102
97
377.34
360.42
10.69
10.21
149.16
139.80
4.22
3.96
176
80
P/N 240011662, Rev. D [06/30/2017]
MIN
35
10.26
36,890
10.8
39.11
1.11
15.86
0.45
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