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4
automatic cooling function (indirect-fired models and GRY-D 60)
3. TECHNICAL SPECIFICATIONS
3.1 Direct-fired heaters
Model # GRY-D
15 HU
GRY-D
20 HU
GRY-D
20 WU
GRY-D
28 WU
GRY-D
40 WU
GRY-D
60 WU
Heat Input (BTU/hr) 51,600 80,500 80,500 101,260 140,200 211,000
Air Flow Rating (ft³/min) 210 240 240 300 620 765
Fuel Type Diesel
Kerosene
#1-2 Fuel Oil
Diesel
Kerosene #1-
2 Fuel Oil
Diesel
Kerosene #1-
2 Fuel Oil
Diesel
Kerosene
#1-2 Fuel
Oil
Diesel
Kerosene
#1-2 Fuel
Oil
Diesel
Kerosene
#1-2 Fuel Oil
Fuel Consumption (gal/hr)
0.39 0.58 0.58 0.73 1.01 1.51
Fuel Nozzle Size 0.40 gph 0.65 gph 0.65 gph 0.75 gph 1.00 gph 1.50 gph
Efficiency (%) (100) (100) (100) (100) (100) (100)
Noise Level at 2m (dB(A))
69 71 71 72 75 75
Voltage (V) 115V 60Hz 115V 60Hz 115V 60Hz 115V 60Hz 115V 60Hz 115V 60Hz
Electrical Power 1/6 HP 1/6 HP 1/6 HP 1/4 HP 1/3 HP 1/3 HP
Current Rating (A) 1.8 2.0 2.0 3.5 4.0 4.2
Weight (lb) 41 44 57 68 81 84
Lenght (in) 32 32 33 34 37 42
Width (in) 14 14 17 19 22 22
Height (in) 16 16 18 21 24 25
Tank Capacity (gal) 5.6 5.6 5.6 8 12 12
Air Pressure Setting (psi) 4.1 4.5 4.5 4.8 5.8 4.9
3.2 Indirect-fired heaters
Model # GRY-I
15 WU
GRY-I
25 WU
GRY-I
40 WU
Heat Input (BTU/hr) 50,630 91,750 133,000
Air Flow Rating (ft³/min) 412 557 710
Fuel Type Diesel
Kerosene
#1-2 Fuel Oil
Diesel
Kerosene
#1-2 Fuel Oil
Diesel
Kerosene
#1-2 Fuel Oil
Fuel Consumption (gal/hr) 0.36 0.66 0.94
Fuel Nozzle 0.40 gph 0.75 gph 1.00 gph
Efficiency (%) 84.4 80.0 81.4
Noise Level at 2m (dB(A)) 63 75 75
Voltage (V) 115V 60Hz 115V 60Hz 115V 60Hz
Electrical Power 1/4 HP 1/3 HP 1/3 HP
Current Rating (A) 3.5 4.0 4.0
Weight (lb) 77 88 93
Lenght (in) 34 37 42
Width (in) 19 22 22
Height (in) 22 25 26
Tank Capacity (gal) 8 12 12
Air Pressure Setting (psi) 4.4 4.8 4.9
4. INSTALLATION INSTRUCTIONS
4.1. General instructions
• THE INSTALLATION OF THE EQUIPMENT SHALL BE IN ACCORDANCE WITH THE REGULATION OF
AUTHORITIES HAVING JURISDICTION AND CSA B139.