Desa (V)K42P installation manual Connecting Fireplace to GAS Supply, Checking GAS Connections

Page 17

Fireplace Installation

Continued

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 fireplace (see Figure 31). IMPORTANT: Install main gas valve (equipment shutoff valve) in an accessible location. The main gas valve is for turning on or shutting off the gas to the appliance.

Check your building codes for any special requirements for locating equipment shutoff valve to fireplaces.

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

WARNING: Use pipe joint sealant that is resistant to liquid petroleum (LP) gas.

We recommend that you install a sediment trap/drip leg in supply line as shown in Figure 31. Locate sediment trap/drip leg where it is within reach for cleaning. Install in piping system between fuel supply and fireplace. Locate sediment trap/drip leg where trapped matter is not likely to freeze. A sediment trap traps moisture and contaminants. This keeps them from going into fireplace gas con- trols. If sediment trap/drip leg is not installed or is installed wrong, fireplace may not run properly.

CSA Design-Certified

Equipment Shutoff Valve

with 1/8" NPT Tap*

 

Natural - From

 

Gas Meter (5.5"

 

W.C. to 10.5"

Approved Flexible

W.C. Pressure)

Gas Line

Propane/LP

 

From External

 

Regulator (11"

 

W.C. to 14" W.C.

3" Minimum

Pressure)

 

Cap

Pipe Nipple Tee Joint

Sediment Trap/Drip Leg

Figure 31 - Gas Connection

*The CSAdesign-certified equipment shutoff valve may be supplied with the appliance or you can purchase it from your retailer.

CONNECTING FIREPLACE TO GAS SUPPLY

Installation Items Needed

•5/16" hex socket wrench or nut-driver

•sealant (resistant to propane/LP gas, not provided)

1.Open lower louver door panel by gently pulling forward.

2.Route flexible gas line (provided by installer) from equipment shutoff valve to fireplace. Route flexible gas supply line through one of the access holes on side of fireplace.

3.Attach flexible gas line from gas supply to control valve (see Figure 32).

4.Check all gas connections for leaks. See Checking Gas Connections.

To Gas Supply

Equipment

(Natural)

Shutoff Valve

To External

 

Regulator

 

(Propane/LP)

Control

 

Valve

Flexible Gas Line

Do NOT Kink

Figure 32 - Connecting Flexible Gas Line to Control Valve

CHECKING GAS CONNECTIONS

WARNING: Test all gas piping and connections, internal and external to unit, for leaks after installing or servicing. Correct all leaks at once.

WARNING: Never use an open flame to check for a leak. Apply a noncorrosive leak detection fluid to all joints. Bubbles forming show a leak. Correct all leaks at once.

Pressure Testing Gas Supply Piping System

Test Pressures In Excess Of 1/2 PSIG (3.5 kPa)

1.Disconnect fireplace and its individual equipment shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig (3.5 kPa) will damage fireplace gas regulator.

2.Cap off open end of gas pipe where equipment shutoff valve was connected.

3.Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas fireplace or opening main gas valve located on or near gas meter for natural gas fireplace, or using compressed air.

4.Check all joints of gas supply piping system. Apply noncor- rosive leak detection fluid to all joints. Bubbles forming show a leak. Correct all leaks at once.

5.Reconnect fireplace and equipment shutoff valve to gas supply. Check reconnected fittings for leaks.

Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)

1.Close equipment shutoff valve (see Figure 33).

2.Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas fireplace or opening main gas valve located on or near gas meter for natural gas fireplace, or using compressed air.

Equipment

Shutoff Open

Valve

Closed

Figure 33 - Equipment Shutoff Valve

111921-01E

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Contents What to do if YOU Smell GAS For Your SafetySafety Information Table of ContentsLocal Codes Product FeaturesProduct Identification Clearances Pre-Installation PreparationLocation and space requirements Framing and finishing Framing Clearances for Installation Against an Exterior WallTermination CAP AIR Supply Inlet GAS Meter Location of Termination CapInstallation Precautions Venting Installation InstructionsInstallation Planning Horizontal Termination InstallationVent Pipe Connections Vent pipe before connecting horizontal run to vent cap see Ground Floor Installation Horizontal Termination ConfigurationsVenting with Two 90 Elbows Snorkel Termination InstallationOffset with Wall Strap and 45 Elbows Flat Ceiling InstallationVertical Venting Vertical Termination ConfigurationsHigh Altitude Installation Fireplace InstallationParts lists for venting kits and components Installing optional blower accessoriesAttaching Speed Control to Firebox Model BKT InstallationInstallation Items Needed Installing Gas Piping to Fireplace LocationBlower Wiring Diagram Installation Items Needed Connecting Fireplace to GAS SupplyPressure Testing Gas Supply Piping System Checking GAS ConnectionsInstalling Remote Receiver Installing Optional Wall Mount Switch GWMS2Pressure Testing Fireplace Gas Connections Cleaning Glass Door Installing Brick liner Models BL42DASA and BL42DHASARemoving/Replacing Glass Door Removing Louver PanelsInstalling Brick Panels Installing logs, lava rock Glowing embersLighting Instructions For your safety read Before lightingOperating Fireplace To Turn OFF GAS To Appliance Manual Lighting ProcedureOpTIONAL Hand-Held Remote OperationOperating optional GWMT1 Wall Mounted Thermostat Operating optional blower accessoryThermostat Series Model HRC200 Pilot assembly Cleaning MaintenanceInspecting Burners Burner Flame PatternTo clean pilot. This can damage pilot unit TroubleshootingPilot and burners LogsTroubleshooting Above Gas leak. See Warning statementService Hints Replacement PartsTechnical Service SpecificationsAccessories Models VK42N, VK42NH, VK42P and VK42PH Illustrated Parts BreakdownParts List Burner Assembly for Models VK42N, VK42NH, VK42P and VK42PH KEY NO. Part NO. Description 111921-01E 111921-01E Keep this Warrant Warranty Information

(V)K42P specifications

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