Desa CGR50NA - Manual (Page 2)

2
100792
CONTENTS 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