Maintenance; Specifications; Operating Instructions - Desa 125-R Owner's Manual

OPERATING
INSTRUCTIONS
Continued
SHUTTING OFF HEATER
• For short periods of time, turn the main burner
off by turning control knob clockwise to the
PILOT position.
• For extended periods of non use, turn appli-
ance completely off by turning control knob
clockwise to the PILOT position, press knob
slightly, then turn knob fully clockwise to
the OFF position. Note: For propane/LP gas
models, also turn off gas supply cylinder.)
PILOT BURNER ADJUSTMENT
1. Remove pilot adjustment cap. The pilot adjust-
ment cap is a slotted screw located in front
of the PILOT designation stamped on top of
valve body just below control knob.
2. Adjust pilot key to provide properly sized
flame. Rotate the key clockwise to decrease
flame or counterclockwise to increase flame.
3. Replace pilot adjustment cap.

MAINTENANCE

WARNING:
• Never attempt to service
heater while it is connected to
propane supply, operating or
hot. Severe burns can occur.
• Keep heater clear and free
from combustible materials,
gasoline and other flammable
vapors and liquids.
• Do not block the flow of com-
bustion or ventilation air.
1. Keep heater clean. Clean heater annually or as
needed to remove dust and debris. If heater is
dirty or dusty, clean heater with a damp cloth.
Use household cleaners on difficult spots.
2. Inspect heater before each use. Check connec-
tions for leaks. Apply mixture of liquid soap
and water to connections. Bubbles forming
show a leak. Correct all leaks at once.
3. Inspect hose/regulator assembly before each
use. If hose is highly worn or cut, replace.
4. Have heater inspected yearly by a qualified
service agency.
114248-01A
Propane/LP Model 125-R
Rating
Fuel
Fuel Consumption per Hour
Supply Pressure To Regulator (for input adjustment)
Maximum
Minimum
Manifold Pressure
Weight
Heater
Shipping
Size - L x W x H
Min Temperature
Natural Gas Model 125-RN
Rating
Fuel
Fuel Consumption
per Hour
Manifold Pressure 1.5 kPa (6 inches W.C.)
Weight
Heater
Shipping
Size - L x W x H
Min Temperature
www.desatech.com
SPECIFICATIONS
125,000 Btu/Hr (131,882 kj)
Propane Vapor Only
5.17 liters (1.3 gallon)
2.6 kg (5.8 pounds)
1380 kPa (200 psi)
138 kPa (20 psi)
2.3 kPa (9.5 inches W.C.)
17.69 kg (39 lbs)
20.86 kg (46 lbs)
40.6 x 45.7 x 109.2 cm
(16 x 18 x 43 inches)
-29 °C (-20° F) Surrounding
Air Temperature
125,000 Btu/Hr (131,882 kj)
Natural Gas Only
3.5 m
3
17.69 kg (39 lbs)
20.86 kg (46 lbs)
40.6 x 45.7 x 109.2 cm
(16 x 18 x 43 inches)
-29 °C (-20° F) Surrounding
Air Temperature
(125 ft )
3
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