Desa WMN20 Electric Heater User Manual


 
www.desatech.com 107884-01H
4
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.
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
SAFETY INFORMATION
Continued
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 DEVICE
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.
PRODUCT
IDENTIFICATION
Figure 1 - Vent-Free Gas Heater
Ignitor Button
Control Knob
Heater
Cabinet
Front Panel
Glass Panel
Grill Guard