Desa SF20NT Safety Information, Local Codes, Unpacking, Product Features, Identification

Models: SF20NT

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SAFETY INFORMATION

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5.This heater needs fresh, outside air ventilation to run properly. This heater has an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS shuts down the heater if not enough fresh air is available. See Air for Combustion and Ventilation, page 5.

6.Keep all air openings in front and bottom of heater clear and free of debris. This will insure enough air for proper combustion.

7.If heater shuts off, do not relight until you provide fresh, outside air. If heater keeps shutting off, have it serviced.

8.Do not run heater

where flammable liquids or vapors are used or stored

under dusty conditions

9.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.

10.Turn off and unplug (if using electricity) heater and let cool before servicing. Only a qualified service person should service and repair heater.

11.Operating heater above elevations of 4,500 feet (1,371 m) could cause pilot outage.

12.To prevent performance problems, do not use propane/LP fuel tank of less than 100 lbs. (45 kg) capacity.

13.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.

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 The 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

 

PRODUCT

 

IDENTIFICATION

Grill

Control Knob &

Ignitor Button

Guard

(inside door)

 

Front Panel

Figure 1 - Vent-Free Gas Heater

UNPACKING

1.Remove heater, front panel and grill from carton. Set aside in a safe location.

2.Carefully remove refractory from heater and remove packing material. Check refractory for any damage. If the refractory is damaged do not use. See Replacement Parts, page 21. Set aside in a safe location.

3.Check heater for any damage. If heater is dam- aged, promptly return to where you bought heater.

PRODUCT FEATURES

SAFETY DEVICE

This heater has a pilot with an Oxygen Deple- tion Sensing (ODS) safety shutoff system. The ODS/pilot is a required feature for vent-free room heaters. The ODS/pilot shuts off the heater if there is not enough fresh air.

IGNITION SYSTEM

This heater has either a piezo ignitor or electronic ignitor to light heater fuel supply.

THERMOSTATIC HEAT CONTROL

Thermostat models have a thermostat sensing bulb and a control valve. This results in the great- est heater comfort. This can also result in lower gas bills.

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www.desatech.com

116307-01A

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Desa SF20NT Safety Information, Local Codes, Unpacking, Product Features, Identification, Continued, Safety Device