Hearth and Home Technologies TIARA II-B Valve Regulator Replacement, Tiara I-B and Tiara II-B

Tiara I-B and Tiara II-B:

PILOT HOOD

MILLIVOT GENERATOR

THERMOCOUPLE

Tiara I-B:Installation is the reverse of the removal. DO NOT OVERTIGHTEN. Reinstall the optional brick set, if applica- ble.

Tiara II-B:Installation is the reverse of the removal. Make sure to reinstall the two 1/4 in. x 20 screws that secure the burner.

Reinstall logs, glass and front.

Figure 6.4 Pull off pilot hood and set aside.

NOTE: Do not remove retaining clip from hood.

5/32 in. Allen wrench

Figure 6.5 Use a 5/32 in. Allen wrench to remove the pilot injec- tor. Replace pilot injector with the one supplied with the appliance (#35 for Propane, #62 for Natural Gas).

2. Valve Regulator Replacement

WARNING

Fire Risk.

Explosion Risk.

•Disconnect any electrical cords and turn off gas supply to unit before proceeding if converting fuel on an appliance already fully installed.

Remove upper and lower back shield. Loosen the set col- lars on the extension rods with the 3/32 in. Allen wrench. Remove the rods and adapter cap.

Replace pilot hood, snapping into position.

Figure 6.6 Remove main burner orifice using a 5/8 in. wrench. Replace orifice with the proper size as indicated on for your gas type and venting.

1Mounting Screws

2Pressure Regulator Tower

3Diaphragm

	PROPANE	NATURAL GAS
Tiara I-B	.063	.106
Tiara II-B	.073	.120

Reinstall burner by placing it into the firebox.

Figure 6.6 Turn control knob to the OFF position, ensure that gas supply to the valve has been turned off. Using a Torx TH20, or slotted screwdriver, remove the three pressure regulator mounting screws (1), pressure regulator tower (2), and diaphragm (3).

August 1, 2008 Heat & Glo · Tiara I B & Tiara II B · 7010-149M Page 25