Desa CGR50NA, CGR35NA, CGR65NA, CGR50BNA, CGR65BNA installation manual Removing Burner

Page 33

SERVICE PROCEDURES

Continued

Removing Burner

1.	Shut off gas supply to
	heater.
2.	Remove lower front
	access panel on heater.
3.	Disconnect burner tube
	from orifice holder (see
	Figure 24).
4.	Remove orifice holder
	from burner (see Figure
	24).
5.	Remove pilot burner
	bracket nuts and remove
	pilot assembly (see Figure
	24).
6.	Move burner to the right
	for clearance. Rotate
	burner 90° and remove
	burner through lower front

Pilot Burner

Pilot BurnerAssembly

Bracket Nut

Burner

Burner

Tube

Orifice

Holder

access opening.

7. To reinstall, reverse above

steps. Turn on gas to

heater and check for gas

leaks. Apply a mixture of

liquid soap and water to

all joints. Bubbles form-

ing show a leak. Correct

all leaks at once.

8. Replace lower front

access panel.

Figure 24 - Removing Burner Tube, Orifice Holder, and Pilot Burner Assembly

(35,000 BTU/Hr Burner Shown)

Continued

33

100792

Image 33

Contents OWNER’S Operation and Installation Manual For Your SafetyWhat to do if YOU Smell GAS Contents Carbon monoxide poisoning may lead to death Safety InformationSafety Information Identification ProductLocal Codes Unpacking Product Features Installation ItemsCheck GAS Type Heater Clearances Locating HeaterVenting Heater Do not vent heater in any of the following ways see Figure Venting HeaterVenting Heater Proper Size Vent Connecting Heater to Utility Gas Line Connecting to GAS SupplyGas Connection Checking GAS Connections Pressure Testing Gas Supply Piping SystemLocation of Radiants Installing RadiantsInserting Glass Panels Installing Glass PanelInserting Glass into Lower Retaining Channel AIR for Combustion and Ventilation Draft Hood Spillage Test Determining FRESH-AIR Flow for Heater LocationVentilation Air from Outdoors Example 2 Locating Heater in Confined Closed Area For Your Safety Read Before Lighting Operating HeaterLighting Instructions Viewing Pilot Blower Operation Manual Lighting ProcedureTo Turn OFF GAS to Appliance Shutting Off HeaterInspecting Pilot and Burner Flame Pilot Flame PatternBurner Flame Pattern Correct Burner Flame Pattern Cleaning and Maintenance Observed Possible Problem Cause Remedy Trouble ShootingSee Changing Burner See Removing Control TROUBLE- ShootingLighting Instructions Top Ing statement atRemoving Control Valve and Burner Tube Service ProceduresRemoving Burner Changing Burner Orifice Blower Wiring DiagramService Hints Technical Service35,000 BTU/Hr 50,000 BTU/Hr ModelOrdering Replacement Parts Centrals Parts Under WarrantyParts Not Under Warranty Valve GA5010 AccessoriesBlower Assembly Illustrated Parts ListCabinet Assembly Burner Assembly Thermocouple Interrupter 100792 100792 Limited Warranty Comfort Glow Vented Natural GAS Heaters Warranty Information