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Table 3 - Technical
Specifications
MODEL
OBM098SD
(1/3 HP PSC)
RATING AND PERFORMANCE
Firing rate (USGPH)
0.5
0.6
0.7
Input (BTU/h)
70,000
84,000
98,000
Heating temperature rise (Degree. F / C)
55-85°F
(13-29°C)
Flue draft (inch of w.c.)
-0.06 to -0.025
Overfire pressure (inch of w.c.)
-0.035 to +0.010
BECKETT
BURNER; MODEL NX
Head type
6 - Slot
Nozzle (DeIavan)
0.40 - 60A
0.50 - 60A
0.60 - 60A
Pump pressure (PSIG)
155
145
135
Head/Air setting
0.5
1.5
2.5
Heating capacity (BTU/h)
59,200
70,400
80,800
AFUE %
84
83.9
81.6
RIELLO BURNER;
MODEL 40-F3
Nozzle (Delavan)
0.40 - 70A
0.50 - 70A
0.60 - 70A
Pump pressure (PSIG)
155
145
135
Combustion
air adjustment
(turbulator/damper)
0 / 1.5
0 / 2.5
1 / 3.5
Heating capacity (BTU/h)
59,200
70,100
80,600
AFUE % (with air inlet damper)
84.3
83.9
83.5
ELECTRICAL
SYSTEM
Volts - Hertz - Phase
115 - 60 - 1
Operating voltage range (volts)
104 - 132
Rated current (Amps)
12.2
Minimum ampacity for wire sizing (Amps)
13.7
Max. fuse size (Amps)
15
Control transformer
(VA)
40
External control power available Heating (VA)
40
Cooling (VA)
30
BLOWER DATA (side air return)
Heating blower speed at 0.25" W.C. SP
MED-LOW
MED-HIGH
HIGH
Air flow at 0.25" W.C. SP (CFM)
860
1025
1165
Air flow at 0.50" W.C. SP (CFM)
795
925
1050
Motor (HP) / number of speeds
1/3 HP / 4 Speeds
Blower wheel size (diameter x width)
10" X 8"
GENERAL INFORMATION
16.875" x 20 1/6" x 40 3/4" /
Overall dimensions
(width x depth x height)
428.6 x 512.2 x 1035.1 mm
Supply air opening
16" x 19" / 406.4 x 482.6 mm
Return air opening
19" x 19" / 482.6 x 482.6 mm
Filter size
20" x 20" / 508 x 508 mm
Shipping weight Lbs/Kg
125 / 57
Air conditioning,
maximum output (tons)
3
15
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