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V E N T - F R E E G A S H E A T E R S E R V I C E M A N U A L
T A B L E
O F
C O N T E N T S
Section 1 - Safety Information
Safety Requirements .............................................................................................. 3
Warnings ................................................................................................................. 3
Section 2 - Introduction
Technical Service Department ............................................................................... 4
Product Features .................................................................................................... 4
Accessories ............................................................................................................ 4
Section 3 - General Operation and Component Descriptions
General Operation .................................................................................................. 5
Burner Assembly .................................................................................................... 5
Ignition System ....................................................................................................... 5
Control Valve .......................................................................................................... 6
Gas Regulator ........................................................................................................ 6
Oxygen Depletion System ...................................................................................... 6
Section 4 - Tools and Equipment ................................................................................. 7
Section 5 - Installation
Gas Type ................................................................................................................ 8
Location: Safety Precautions .................................................................................. 8
Gas Supply Installation ........................................................................................... 9
Propane Installation ................................................................................................ 10
External Regulators ................................................................................................ 10
Section 6 - Test Procedures
Testing Gas Supply Line Connections ................................................................... 11
Testing Heater Gas Connections ........................................................................... 11
Correcting Leaks .................................................................................................... 11
Testing Control Valve and Thermocouple .............................................................. 12
Section 7 - Specifications ............................................................................................. 13
Section 8 - Troubleshooting
Ignition Problems
No Spark ................................................................................................................. 14
Ignitor Sparks, But Pilot Will Not Light .................................................................... 15
Pilot Lights, But Will Not Stay Lit ............................................................................ 16,17
Main Burner Does Not Light (pilot stays lit) ........................................................... 18
Delayed Ignition Of Main Burner ............................................................................ 18
Combustion Problems
Backfiring During Operation ................................................................................... 19
Smoke or Unwanted Odors .................................................................................... 19
Gas Odor ................................................................................................................ 19
Service Information ...................................................................................................... Back Page