Introduction ...................................................................................................................................5
Important Safety Information.........................................................................................................5
Installation ...............................................................................................................................5-10
Location ....................................................................................................................................5
Installation Guide ......................................................................................................................6
Gas Codes................................................................................................................................7
Electrical ...................................................................................................................................7
Gas Piping ................................................................................................................................7
Propane Gas ............................................................................................................................7
Natural Gas ..............................................................................................................................8
Venting......................................................................................................................................8
Draft Diverter ............................................................................................................................8
Water Source ............................................................................................................................8
Water Connection .....................................................................................................................8
Inspecting & Testing Gas Piping................................................................................................9
Gas Pressure............................................................................................................................9
Warning and Check Lists .....................................................................................................9-10
Operating Instructions.................................................................................................................11
Preventative Maintenance........................................................................................................... 11
General Operating Techniques....................................................................................................11
Component Identification ..........................................................................................................112
Maintenance & Service...............................................................................................................13
Heating Coil ................................................................................................................................13
Gas Valve Regulator Adjustment ...........................................................................................13-14
Propane Gas ..............................................................................................................................14
Burner Features.....................................................................................................................14-15
VNG Control Panel .....................................................................................................................16
VNG Control Panel Parts List......................................................................................................17
VNG-S Exploded View, Left Side ................................................................................................ 18
VNG-S Exploded View, Right Side .............................................................................................. 19
VNG-S Parts List ...................................................................................................................20-21
VNG-L Exploded View, Left Side................................................................................................. 22
VNG-L Exploded View, Right Side .............................................................................................. 23
VNG-L Parts List................................................................................................................... 24-25
CONTENTS
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