18

INSTALLATION

Connecting To Gas Supply (Cont.)

Connecting Equipment shutoff Valve To Heater Control

INSTALLATION

Continued

CAUTION: Use only new, black iron or steel pipe. Internally-tinned copper tubing may be used in cer- tain areas. Check your local codes. Use pipe of 1/2" or greater diameter 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 heater (see Figures 30).

IMPORTANT: Install equipment shutoff valve in an accessible location. The equipment shutoff 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.

Approved Flexible

CSA Design-Certified

Gas Line

Equipment Shutoff Valve

 

With 1/8" NPT Tap*

PROPANE/LP

From External

Regulator (11"

W.C.** to 14"

W.C. Pressure)

 

NATURAL

3"

From Gas Meter

(5" W.C.** to 10.5"

Minimum

W.C. Pressure)

 

Pipe Nipple Cap Tee Joint

Sediment Trap

Figure 30 - Gas Connection

*Purchase the optional CSA design-certified equipment shutoff valve from your dealer. See Accessories, pages 38 and 39.

We recommend that you install a sediment trap in supply line as shown in Figure 30. Locate sediment trap where it is within reach for cleaning. Install in piping system between fuel supply and heater. Locate sediment trap where trapped matter is not likely to freeze. A sediment trap traps moisture and contaminants. This keeps them from going into fireplace controls. If sediment trap is not installed or is installed wrong, fireplace may not run properly.

CONNECTING EQUIPMENT SHUTOFF VALVE TO HEATER CONTROL

Installation Items Needed

•Phillips screwdriver

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

1.Remove screws that attach branch support to fireplace (see Figure 31). Carefully lift up branch support and remove from fireplace (see Figure 31).

NOTICE: Most building codes do not permit con- cealed gas connections. A flexible gas line is pro- vided to allow accessibility from the fireplace (see Figure 31). The flexible gas supply line connection to the equipment shutoff valve should be accessible.

Branch Support

Flexible Gas Line

Figure 31 - Removing Branch Support From Fireplace (Thermostat-Controlled Model Shown)

For..com

107032-01F

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Desa VMH10TNB, EFS26PR, VMH26PRA, VMH26NRA Connecting Equipment Shutoff Valve to Heater Control, Installation Items Needed
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VMH10TNB, VMH26NRA, EFS26PR, VMH26PRA specifications

Desa VMH26PRA, EFS26PR, VMH10TNB, and VMH26NRA are notable models in the versatile and efficient heater category that cater to diverse heating needs. Each unit incorporates advanced technologies and features designed to provide reliable warmth while ensuring user convenience.

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