Connecting Fireplace to GAS Supply

Fireplace Installation

Continued

For propane/LP connection 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 14" of water. If you do not reduce incoming gas pressure, fireplace regulator damage could occur. Install external regulator with the vent pointing down as shown in Figure 30. Pointing the vent down protects it from freezing rain or sleet.

CAUTION: Use only new, black iron or steel pipe. Internally-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 fireplace. If pipe is too small, undue loss of volume will occur.

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)
3" Minimum
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.

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, page 18.

	Red Surface Indicates
Equipment	Flexible Gas Line For Propane/LP Use Only
Shutoff Valve	Do NOT Kink

External Regulator

Vent

Pointing

Down

Propane/LP

Supply Tank

1/2" NPT Incoming
Gas Line	Inlet Pressure Tap	Outlet Pressure Tap
	Inlet Pressure Tap	Outlet Pressure Tap

Note: Wire Connections Not Shown for Clarity

Figure 32 - Connecting Flexible Gas Line to Electronic Valve

Figure 30 - External Regulator with Vent Pointing Down

(Propane/LP Only)

108860-01D

www.desatech.com

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