Service manual

COMBAT
®
UH UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
42
15.2 General Technical Data Table (All Models)
*Do not exceed the maximum length of flue stated or heater may not operate properly.
15.3 Technical Data Table (All Models)
Model
UH [A] [AS]
30
UH [A] [AS]
45
UH [A] [AS]
60
UH [A] [AS]
75
UH [A] [AS]
100
UH [A] [AS]
125
Low Profile UHA Axial Fans
Full Load Amps @ 115 V A 3.0 3.0 4.1 4.1 5.8 5.8
Air Volume CFM 691 1376 1376 1902 1902 2245
Flue and AIr Intake
Flue and Air Intake Size in (cm) 4 (10) 4 (10) 4 (10) 4 (10) 4 (10) 4 (10)
*Maximum Straight Flue/Air Intake ft (m) 25 (7.6) 25 (7.6) 25 (7.6) 25 (12.2) 40 (12.2) 40 (12.2)
Model
UH [A] [AS]
30
UH [A] [AS]
45
UH [A] [AS]
60
UH [A] [AS]
75
UH [A] [AS]
100
UH [A] [AS]
125
Total Input (Btu/h) x (1000) 30 45 60 75 100 125
Total Output (Btu/h) x (1000) 24.6 36.9 49.2 61.5 82 102.5
Efficiency % 82 82 82 82 82 82
Natural Gas (G20) Data - Inlet Pressure 5.0 in w.c. Min., 14 in w.c. Max.
Burner Pressure in. w.c. 3.7 3.6 3.7 3.5 2.9 3.7
LPG / Propane (G31) Data - Inlet Pressure Inlet Pressure 12.0 in w.c. Min., 14 in w.c. Max.
Burner Pressure in. w.c. 9.9 10.3 9.6 11.0 9.1 10.0