Unpacking

ATTENTION: This heater is clean burning. It requires no outside venting. There is no heat loss out a vent or up a chimney. Heat is generated by realistic flames.

This heater is designed for vent-free operation with flue damper closed. State and local codes in some areas prohibit the use of vent-free heaters.

NOTE: Where listed vented decorative logs are re- quired, thermostat operation is not permitted.

Minimum Fireplace Size

The minimum input for the unvented gas log heater, both 18” and 24” sizes is 25,000 BTU/Hr. The maximum input is 39,000 BTU/Hr. This rating is for both natural gas and LP gas units. It is very important to follow the listed guidelines.

Before installation the gas log heater, make sure the fireplace dimensions conform to the minimum fireplace sizes shown.

Gas Line Connection

A minimum 1/2” gas line is required for distances of 15- 20 feet. A 3/4” gas line is required for distances over 20 feet. A gas shut off valve should be installed near the fireplace.

Manual Shut-off Valve

Prior to installing this gas log set, a manual gas supply valve must be installed at your fireplace. If the fireplace does not have a manual (On/Off) supply valve, a licensed plumber, gas company technician or other qualified installer must install one.

Prefabricated Fireplace

Refer to the prefabricated fireplace owner’s manual for specific instructions. As a general guideline only, any insulation removed from the fireplace should be replaced and the gas supply line should not touch any wood within a distance of 1” from the fireplace side walls.

Natural Gas: The minimum inlet supply pressure for the purpose of input adjustment shall be 4.5” of water column (w.c.). The maximum inlet supply pressure shall be 10.5” w.c. The regulator pressure should be 3.5” w.c.

LP Gas: You must use an external pressure regulator for LP gas log sets to reduce the supply tank pressure to 14” w.c. The minimum inlet supply pressure for the purpose of input adjustment shall be 11” w.c. The maximum inlet supply pressure shall be 14” w.c. The regulator pressure should be 10” w.c.

Pressure Testing

The appliance and its individual shut off valve must be disconnected from the gas supply piping system during any testing of this system at test pressures in excess of 1/2 psig (3.5 kPa). The gas log set must be isolated

from the gas piping system at test pressures equal to or less than 1/2 psig (3.5kPa). An 1/8” NPT fitting, located on the bottom of the gas control valve, must be re- moved to connect a test gauge to measure the manifold pressure.

Tools Required

8” adjustable crescent wrench

Pipe thread compound or teflon tape 12” pipe wrench or channel lock pliers For Hood Installation:

Power drill 3/32” drill bit Phillips screwdriver

1.Remove logs and heater base assembly from carton. NOTE: Do not pick up heater base assembly by its U-shaped burner. This could damage the heater. Always handle base assembly by grate.

2.Remove all protective packaging applied to logs and for shipment.

3.Check all items for any shipping damage. If dam- aged, promptly inform deter where your purchased the heater.

Gas Plumbed on Left Side of Fireplace

NOTE: Your gas log set is assembled at the factory to be installed in a fireplace plumbed with the gas on the right side (facing). If your fireplace is plumbed with the gas on the left side, you will need to run black iron pipe along the back wall of the fireplace (or as per local codes) to bring the gas line to the right side. You can then place the log set in front of the black pipe.

Hood Installation

NOTE: A hood assembly is not included with this vent free gas set. Refer to Page 5 to see if a hood is required.

The following instructions are specific to prefabri- cated or masonry fireplaces. Refer to the instruc- tions that match your fireplace, prefabricated or masonry.

If glass doors are installed on your fireplace, they must be removed to install the hood and may not be usable with a vent free appliance.

Hood Installation for

Prefabricated Fireplace ONLY

1.Measure the fireplace opening and adjust the hood to fit your opening. The right and left filler panels should extend equally from the center piece connec- tor.

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UE241N, UE181L, UE181N, UC241L, UC181N specifications

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