This heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS/ pilot is a required feature for vent-free room heat- ers. The ODS/pilot shuts off the heater if there is not enough fresh air.
PIEZO IGNITION SYSTEM
This heater has a piezo ignitor. This system re- quires no matches, batteries, or other sources to light heater.
THERMOSTATIC HEAT CONTROL
Thermostat models have a thermostat sensing bulb and a control valve. This results in the greatest heater comfort. This can also result in lower gas bills.
Grill Guard
Glass Panel Front Panel
Figure 1 - Vent-Free Gas Heater
UNPACKING
1. Remove heater from carton.
2. Remove all protective packaging applied to heater for shipment.
3. Check heater for any shipping damage. If heater is damaged, promptly inform dealer where you bought heater.
PRODUCT FEATURES

SAFETY INFORMATION

 

PRODUCT

Continued

 

IDENTIFICATION

5. This heater needs fresh, outside air ventila-

Heater

Control Knob

tion to run properly. This heater has an Oxy-

Ignitor Button

Cabinet

gen Depletion Sensing (ODS) safety shutoff

 

 

system. The ODS shuts down the heater if not

 

 

enough fresh air is available. See Air for Com-

 

 

bustion and Ventilation, page 5.

 

 

6. Keep all air openings in front and bottom of

 

 

heater clear and free of debris. This will in-

 

 

sure enough air for proper combustion.

 

 

7.If heater shuts off, do not relight until you pro- vide fresh, outside air. If heater keeps shut- ting off, have it serviced.

8. Do not run heater

• where flammable liquids or vapors are used or stored

• under dusty conditions

9. Before using furniture polish, wax, carpet cleaner, or similar products, turn heater off. If heated, the vapors from these products may create a white powder residue within burner box or on adjacent walls or furniture.

10. Do not use heater if any part has been under water. Immediately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water.

11. Turn off and let cool before servicing. Only a qualified service person should service and repair heater.

12. Operating heater above elevations of 4,500 feet could cause pilot outage.

13.To prevent performance problems, do not use

propane/LP fuel tank of less than 100 lbs. SAFETY DEVICE

capacity.

14. Provide adequate clearances around air openings.

LOCAL CODES

Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of National Fuel Gas Code, ANSI Z223.1/ NFPA 54*.

*Available from:

American National Standards Institute, Inc.

1430 Broadway

New York, NY 10018

National Fire Protection Association, Inc.

Batterymarch Park

Quincy, MA 02269

4

www.desatech.com

113048-01C

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Desa GMP30BT, GMP26T, GMP20BT, GMP16T installation manual Safety Information Product Identification, Local Codes