Desa CGR50BNA, CGR35NA, CGR65NA, CGR50NA, CGR65BNA installation manual Contents

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CONTENTS

2

SECTION

PAGE

Safety Information

3

Product Identification

5

Local Codes

6

Unpacking

6

Product Features

6

Installing Heater

6

Check Gas Type

6

Installation Items

6

Locating Heater

7

Venting Heater

8

Connecting to Gas Supply

11

Checking Gas Connections

13

Installing Radiants

14

Installing Glass Panel

15

Air For Combustion and Ventilation

17

Determining Fresh-Air Flow for Heater Location

 

Example 1: Locating Heater in Unconfined (Open) Area 18

Draft Hood Spillage Test

18

Providing Permanent Fresh-Air Ventilation

19

Example 2: Locating Heater in Confined (Closed) Area ..

20

Ventilating Confined Area

20

Operating Heater

21

For Your Safety Read Before Lighting

21

Lighting Instructions

21

Manual Lighting Procedure

23

Blower Operation (For Models with Blower)

23

To Turn Off Gas To Appliance

23

Inspecting Pilot and Burner Flame

24

Pilot Flame Pattern

24

Burner Flame Pattern

24

Cleaning and Maintenance

26

Troubleshooting

27

Service Procedures

32

Removing Control Valve and Burner Tube

32

Removing Burner

33

Changing Burner Orifice

34

Blower Wiring Diagram

34

Technical Service

35

Specifications

35

Service Hints

35

Ordering Replacement Parts

36

Parts Centrals

36

Accessories

37

Illustrated Parts List

38-41

Warranty Information

Back Cover

100792

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualFor Your Safety Contents Safety Information Carbon monoxide poisoning may lead to deathSafety Information Product IdentificationCheck GAS Type Local Codes Unpacking Product FeaturesInstallation Items Locating Heater Heater ClearancesVenting Heater Venting Heater Do not vent heater in any of the following ways see FigureVenting Heater Proper Size Vent Connecting to GAS Supply Connecting Heater to Utility Gas LineGas Connection Pressure Testing Gas Supply Piping System Checking GAS ConnectionsInstalling Radiants Location of RadiantsInstalling Glass Panel Inserting Glass PanelsInserting Glass into Lower Retaining Channel AIR for Combustion and Ventilation Determining FRESH-AIR Flow for Heater Location Draft Hood Spillage TestVentilation Air from Outdoors Example 2 Locating Heater in Confined Closed Area Lighting Instructions For Your Safety Read Before LightingOperating Heater Viewing Pilot To Turn OFF GAS to Appliance Manual Lighting ProcedureBlower Operation Shutting Off HeaterBurner Flame Pattern Inspecting Pilot and Burner FlamePilot Flame Pattern Correct Burner Flame Pattern Cleaning and Maintenance Trouble Shooting Observed Possible Problem Cause RemedySee Changing Burner TROUBLE- Shooting See Removing ControlLighting Instructions Ing statement at TopService Procedures Removing Control Valve and Burner TubeRemoving Burner Blower Wiring Diagram Changing Burner Orifice35,000 BTU/Hr 50,000 BTU/Hr Technical ServiceService Hints ModelParts Not Under Warranty Ordering Replacement Parts CentralsParts Under Warranty Accessories Valve GA5010Illustrated Parts List Blower AssemblyCabinet Assembly Burner Assembly Thermocouple Interrupter 100792 100792 Warranty Information Limited Warranty Comfort Glow Vented Natural GAS Heaters