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.

 

SPECIFICATIONS

Propane/LP Model 125-R

Rating

125,000 Btu/Hr (131,882 kj)

Fuel

Propane Vapor Only

Fuel Consumption per Hour

5.17liters (1.3 gallon)

2.6kg (5.8 pounds)

Supply Pressure To Regulator (for input adjustment)

Maximum

1380 kPa (200 psi)

Minimum

138 kPa (20 psi)

Manifold Pressure

2.3 kPa (9.5 inches W.C.)

Weight

 

Heater

17.69 kg (39 lbs)

Shipping

20.86 kg (46 lbs)

Size - L x W x H

40.6 x 45.7 x 109.2 cm

 

(16 x 18 x 43 inches)

Min Temperature

-29 °C (-20° F) Surrounding

 

Air Temperature

Natural Gas Model 125-RN

Rating

125,000 Btu/Hr (131,882 kj)

Fuel

Natural Gas Only

Fuel Consumption

 

per Hour

3.5 m3 (125 ft3)

Manifold Pressure

1.5 kPa (6 inches W.C.)

Weight

 

Heater

17.69 kg (39 lbs)

Shipping

20.86 kg (46 lbs)

Size - L x W x H

40.6 x 45.7 x 109.2 cm

 

(16 x 18 x 43 inches)

Min Temperature

-29 °C (-20° F) Surrounding

 

Air Temperature

114248-01A

www.desatech.com

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Desa 125-R owner manual Maintenance, Specifications, Shutting OFF Heater, Pilot Burner Adjustment

125-R specifications

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