Desa Tech CGN20TA User Manual
3
104190
OWNER’S MANUAL
PRODUCT
IDENTIFICATION
IDENTIFICATION
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, also known as NFPA
54*.
local codes. In the absence of local codes,
use the latest edition of the National Fuel
Gas Code ANSI Z223, also known as 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
Figure 1 - Vent-Free Natural Gas Heater
Ignitor Button
Control Knob
Heater Cabinet
Front
Panel
Panel
Glass Panel
Grill Guard
UNPACKING
1.
Remove heater from carton.
2.
Remove all protective packaging ap-
plied to heater for shipment.
plied to heater for shipment.
3.
Check heater for any shipping damage.
If heater is damaged, promptly inform
dealer where you bought heater.
If heater is damaged, promptly inform
dealer where you bought heater.
PRODUCT
FEATURES
FEATURES
Safety Device
This heater has a pilot with an Oxygen
Depletion Sensor Shutoff System (ODS).
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.
Depletion Sensor Shutoff System (ODS).
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.
Piezo Ignition System
This heater has a piezo ignitor. This system
requires no matches, batteries, or other
sources to light heater.
requires no matches, batteries, or other
sources to light heater.
Thermostatic Heat Control
Thermostat models have a thermostat sens-
ing bulb and a control valve. This results in
the greatest heater comfort. This can also
result in lower gas bills.
ing bulb and a control valve. This results in
the greatest heater comfort. This can also
result in lower gas bills.