Contents
Safety Warning....................................................................................................................3
Introduction..........................................................................................................................3
Model Identification..............................................................................................................3
Specifications.......................................................................................................................4
Fluing...................................................................................................................................5
Wiring Diagrams..................................................................................................................6
Components and Their Function..........................................................................................7
Gas Valve Features.............................................................................................................8
Operation.............................................................................................................................9
Lighting Instructions...........................................................................................................12
Remote Controller Operation.............................................................................................12
Recognition Signal .........................................................................................................12
On (Manual) Mode .........................................................................................................13
Auto Mode......................................................................................................................13
Off Mode ........................................................................................................................14
Other Functions..............................................................................................................14
Preventative Maintenance .................................................................................................15
Common Faults .................................................................................................................16
Fault Finding......................................................................................................................17
Checking Inlet Gas Pressure..........................................................................................17
Checking Burner Gas Pressure......................................................................................17
Adjusting the Pilot Flame................................................................................................18
Adjusting the Ignition Plug Gap......................................................................................18
Gas Valve Safety Shutdown Test...................................................................................18
Fault Indication...............................................................................................................18
Error Code 3...............................................................................................................19
Error Code 8...............................................................................................................19
Fault Diagnosis Sequence (General Fault Finding Chart)..............................................20
Fault Finding Chart 1......................................................................................................21
Fault Finding Chart 2......................................................................................................22
Fault Finding Chart 2.1 & 2.2 .........................................................................................23
Fault Finding Chart 3......................................................................................................24
Fault Finding Chart 4......................................................................................................26
Fault Finding Chart 5......................................................................................................27
Fault Finding Chart 5.1 & 5.2 .........................................................................................28
Fault Finding Chart 6......................................................................................................29
Fault Finding Chart 6.1 & 6.2 .........................................................................................32
Fault Finding Chart 6.3...................................................................................................33
Electrical Insulation Testing............................................................................................33
Fault Finding Chart 7......................................................................................................34
Fault Finding Chart 8......................................................................................................35
Component Replacement Procedures –LHEC30 .............................................................35
Component Replacement Procedures –RFSDV34...........................................................41
Exploded View 1 –LHEC30...............................................................................................47
Exploded View 2 –RFSDV34............................................................................................49
Gas Type Conversions ......................................................................................................51
Warranty............................................................................................................................52
Document Revision History................................................................................................53