Desa Tech CGN20TA installation manual Illustrated Parts Breakdown

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CGN20TA

Blue Flame Vent-Free Natural Gas Heater

ILLUSTRATED PARTS BREAKDOWN

CGN20TA

22

21

23

10

26

24

4

7

6

3

5

13

12

10

11 18

9

8

14

16

15

19

17

25

20

2

1

12-1

12-2

12ODS/Pilot Assembly

20

104190

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Contents Blue Flame VENT-FREE Natural GAS Heater What to do if YOU Smell GASSafety Information CGN20TAProduct Features Product IdentificationLocal Codes UnpackingFresh AIR for Combustion and Ventilation Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location Determining if You Have a Confined or Unconfined SpaceVentilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Installation Installation ItemsCheck GAS Type Locating HeaterInstalling Heater to Wall Thermostat Sensing BulbPlacing Heater On Mounting Bracket Installing Bottom Mounting ScrewsAttaching Mounting Bracket To Wall Connecting to GAS Supply Typical Inlet Pipe DiametersPressure Testing GAS Supply Piping System Pressure Testing Heater GAS ConnectionsChecking GAS Connections Test Pressures In Excess Of 1/2For Your Safety Read Before Lighting Operating HeaterLighting Instructions To Turn OFF GAS To ApplianceManual Lighting Procedure Inspecting BurnerThermostat Control Operation Pilot Flame PatternTroubleshooting Observed Problem Possible Cause RemedyMaintenance, Gas leak. See Warning statement at Cleaning and Maintenance Specifications Service Publications Replacement PartsTechnical Service Service HintsParts Centrals FBDManual Shutoff AccessoriesFAN Kits GA3100A and GA3200TA Illustrated Parts Breakdown CGN20TAParts List KEY Part Number Description QTYCGN20TA 104190 Warranty Information