Installation instructions, Warning – Hearth and Home Technologies Fireside Burner/Hearth Kits SP18NG User Manual

Page 8

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Hearth & Home Technologies • Fireside Burner/Hearth Kits • 4004-318 • Rev E 2/2013

8

4

Installation Instructions

A. Install the Damper Stop

• Open the damper to the fully open position and secure it

open with the stop as shown in Figure 4.1.

• If the damper stop doesn’t fit your application, use a

permanent means that will keep the damper open at

least to the minimum vent opening as outlined in Table 1,

Section 1.B.

Figure 4.1

Damper Operation

B. Install the Burner/Pan Assembly

The burner/pan assembly is shipped ready for right-hand

gas connection. See Section 3.B. for left-hand connection.

• Remove the existing cap or gas jet assembly from the

gas stub in your fireplace. Clean the threads using a wire

brush or steel wool. Apply Teflon tape or joint compound

to the steel fitting and attach the provided brass adapter

to the stub.

• Place the burner/pan assembly in the fireplace. The pan

should be centered both front to back and side to side.

• Bend the provided gas connector to facilitate its installation

between the burner and the gas stub.

• Attach one end of the gas connector to the brass elbow

or safety pilot fitting. Attach the other end to the brass

adapter at the gas tube.

C. Install the Grate

• The grate should be centered over the burner pan, side

to side. If the grate sits toward the front of the burner pan,

the flames will be larger coming through the logs. If the

grate sits toward the back of the burner pan, the ember

bed will be more prominent. Refer to Figure 4.2.

Figure 4.2

Center Grate Over Burner Pan

D. Place Sand/Vermiculite, Rockwool

• Pour the sand (NG models) or vermiculite (LP models)

into the burner pan. Sand or vermiculite should follow the

slope of pan, covering it and the burner tube completely.

Note: Use caution so vermiculite does not get into the air

mixer on LP models.

• Allow the sand or vermiculite to spill out the front of the

pan and over the sides onto the fireplace floor.

Important: Cover the pilot assembly to protect it before

installing the sand or vermiculite.

Explosion Risk

• Follow rockwool placement instructions

in this manual.

• Replace rockwool material annually.
Improperly placed rockwool interferes with

proper burner operation.

WARNING

Note: For best results, do not pack down the rock wool.

The placement of rock wool can have an effect on flame

pattern and may need to be adjusted to achieve a desired

appearance.

• The gas burns at the point of the least resistance. In

case of an uneven flame pattern it may be necessary to

adjust the materials in the pans (using an object such as

a screwdriver) to achieve the desired effect.

• Lightly place dime-sized pieces of rockwool evenly on top

of the sand or vermiculite.

Inspect the pilot burner to ensure it is clear of any

rock wool.

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