Monessen Hearth WDV500 Indoor Fireplace User Manual


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78D0011
21
WDV Series Gas Fireplace


Use proper gas type for the fireplace you are installing. If you have conflicting gas type, do not
install fireplace. See dealer where you purchased the fireplace for proper fireplace for your gas
type or conversion kit.


Before installing fireplace and burner system, make sure you have the items listed below.
• External regulator (supplied by installer) • Piping (check local codes) • Equipment shutoff valve*
• Sealant (resistant to propane/LP gas) • Test gauge connection* • Sediment trap (recommended)
• Tee joint • Pipe wrench
• Approved flexible gas line with gas connector (if allowed by local codes — not provided)
* A CSA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connec-
tion. Purchase the CSA design-certified equipment shutoff valve from your dealer.
For propane/LP connections only, the installer must supply an external regulator. The external regulator will reduce
incoming gas pressure. You must reduce incoming gas pressure to between 11 and 13 inches of water. If you do not
reduce incoming gas pressure, burner system regulator damage could occur. Install external regulator with the vent
pointing down as shown in Figure 29. Pointing the vent down protects it from freezing rain or sleet.
When using copper of flex connectors use only fittings
approved for gas connections. The gas control inlet is
3/8" NPT.


 


    
    
     
    


FP1977
external regulator
Figure 29 -
External Regulator with Vent Pointing Down
(Propane/LP Only)
FP1977
External
Regulator
100 gallon (min)
Propane/LP Supply
Tank
Vent Pointing
Down

       





     



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