Desa VFP30MV Connecting to GAS Supply, Attaching Flexible Gas Hose to Heater Gas Regulator

Page 11

OWNER’S MANUAL

INSTALLATION

Continued

Heater Gas

Regulator

Flexible Gas Hose (if allowed by local codes)

Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator

Masonry

Screw

Mounting

Mounting

 

Bracket

Mounting

Bracket

Screw

Bracket

Nut

 

 

 

Figure 12 - Attaching Heater to Fireplace Floor

CONNECTING TO GAS SUPPLY

WARNING: This appliance re- quires a 1/2" NPT (National Pipe Thread) inlet connection to the pressure regulator.

WARNING: A qualified ser- vice person must connect heater to gas supply. Follow all local codes.

CAUTION: Never connect heater directly to the propane/LP supply. This heater requires an external regulator (not supplied). Install the external regulator be- tween the heater and propane/LP supply.

Installation Items Needed

Before installing heater, make sure you have the items listed below.

external regulator (supplied by installer, see below)

piping (check local codes)

sealant (resistant to propane/LP gas)

equipment shutoff valve *

test gauge connection *

sediment trap

tee joint

pipe wrench

*An CSA/AGA design-certified equipment shutoff valve with 1/8" NPT tap is an accept- able alternative to test gauge connection.

The installer must supply an external regu- lator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 and 14 inches of water. If you do not reduce incom- ing gas pressure, heater regulator damage could occur. Install external regulator with the vent pointing down as shown in Figure

13.Pointing the vent down protects it from freezing rain or sleet.

WARNING: Never connect heater to private (non-utility) gas wells. This gas is commonly known as wellhead gas.

CAUTION: Use only new, black iron or steel pipe. Inter- nally-tinned copper tubing may be used in certain areas. Check your local codes. Use pipe of 1/2" diameter or greater to allow proper gas volume to heater. If pipe is too small, undue loss of pressure will occur.

Propane/LP

Supply Tank

External

Regulator

Vent

Pointing

Down

Figure 13 - External Regulator With Vent Pointing Down

Installation must include an equipment shutoff valve, union, and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see Figure 14).

IMPORTANT: Install an equipment shutoff valve in an accessible location. The equip- ment shutoff valve is for turning on or shutting off the gas to the appliance.

Apply pipe joint sealant lightly to male threads. This will prevent excess sealant from going into pipe. Excess sealant in pipe could result in clogged heater valves.

CAUTION: Use pipe joint seal- ant that is resistant to liquid pe- troleum (LP) gas.

We recommend that you install a sediment trap in supply line as shown in Figure 14. Locate sediment trap where it is within reach for cleaning. Install in piping system between fuel supply and heater. Locate sedi- ment trap where trapped matter is not likely to freeze. A sediment trap traps moisture and contaminants. This keeps them from going into heater controls. If sediment trap is not installed or is installed wrong, heater may not run properly.

CAUTION: Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings.

CSA/AGA Design-Certified

Equipment Shutoff Valve With

1/8" NPT Tap

Approved

 

From External

Flexible Gas

Regulator

Hose (if allowed

(11" W.C.* to

by local codes)

14" W.C.

 

Pressure)

Gas

Regulator

 

3" Minimum

Tee Pipe Cap

Joint Nipple

Sediment Trap

Figure 14 - Gas Connection

*Minimum inlet pressure for purpose of input adjustment.

Continued

105071

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualSafety Information Product Identification Product FeaturesLocal Codes UnpackingConfined and Unconfined Space AIR for Combustion and VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Vent-Free Operation Only InstallationInstallation Clearances Check GAS TypeMinimum Noncombustible Material Clearances If Using MantelDetermining Minimum Mantel Clearance Determining Minimum Mantel Clearance When Using a HoodMantel Clearances Floor ClearancesInstallation Items Needed Installing Damper Clamp Accessory for Vented OperationInstalling Heater Base Assembly Attaching Flexible Gas Hose to Heater Gas Regulator Connecting to GAS SupplyChecking GAS Connections Pressure Testing Heater Gas ConnectionsPressure Testing gas Supply Piping system Installing Front Log #1 Installing LogsLighting Instructions For Your Safety Read Before LightingOperating Heater Inspecting Burners Logs Cleaning and MaintenanceCleaning Burner Injector Holder and Pilot AIR Inlet Hole Observed Problem Possible Cause Remedy TroubleshootingRefer to Air for Combustion and Venti Gas leak. See Warning statement VFP18MV VFP24MV VFP30MV Illustrated Parts BreakdownKEY Part Number for VFP18MV VFP24MV VFP30MV Description QTY Parts ListAccessories SpecificationsService Hints Technical Service105071 Warranty Information