Desa MSBVBN Checking Gas Connections, Connecting Fireplace To Gas Supply, Fireplace Installation

Models: MSBVBN MSBVBP

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CHECKING GAS

OWNER’S MANUAL

FIREPLACE

INSTALLATION

Continued

Approved Flexible

Gas Line

3" Minimum

A.G.A. Design- Certified Manual Shutoff Valve with 1/8" NPT Tap*

Natural - From Gas

Meter (5" W.C. to 10.5"

W.C. Pressure )

Propane/LP - From

External Regulator (11"

W.C. to 14" W.C.

Pressure)

CHECKING GAS

CONNECTIONS

Pressure Testing Gas Supply Piping System WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once.

CONNECTING FIREPLACE TO GAS SUPPLY WARNING: Never use an open flame to check for a leak. Apply commercial leak test solution to all gas joints. Bubbles forming show a leak. Correct all leaks at once.

Cap Pipe Nipple Tee Joint

Sediment Trap/Drip Leg

Figure 29 - Gas Connection

*The A.G.A. design-certified manual shutoff valve may be supplied with the appliance or you can purchase it from your dealer.

Pressure Testing Gas Supply Piping System

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

1. Disconnect fireplace and its individual

manual shutoff valve from gas supply

piping system. Pressures in excess of 1/2

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 door panel.

2.Route flexible gas line (provided by installer) from manual shutoff valve to fireplace. Route flexible gas supply line through slot in stove bottom and attach to valve.

3.Attach a 45° flare union gas connector to flexible gas line from gas supply (see Figure 30). Connect flare union to flex- ible gas line attached to gas regulator of fireplace (see Figure 30).

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

 

psig (3.5 kPa) will damage fireplace gas

 

regulator.

2.

Cap off open end of gas pipe where

 

manual shutoff valve was connected.

3.

Pressurize supply piping system by ei-

 

ther 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 commercial leak test so-

 

lution to all gas joints. Bubbles forming

 

show a leak. Correct all leaks at once.

5.

Reconnect fireplace and manual shutoff

 

valve to gas supply. Check reconnected

To Fireplace

Gas Valve

Flare Union

Manual Shutoff Valve

fittings for leaks.

Flexible Gas Line from Fireplace Gas Valve

Provided with Fireplace

Flexible Gas Line from Manual Shutoff Valve Provided by Installer

Figure 30 - Attaching Flexible Gas Lines Together

To Gas Supply (Natural)

Manual background To External Regulator (Propane/LP)

Continued

106022

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Desa MSBVBN Checking Gas Connections, Connecting Fireplace To Gas Supply, Pressure Testing Gas Supply Piping System