Vermont Casting LHER20 manual Gas Supply Pressures, Fan Kit, Fan Removal Instructions, 10005360

	1/2" Gas Supply
	1/2" x 3/8" Shut Off Valve
	3/8" Nipple
	3/8" Union
	3/8" Nip-
	ple
FP297
Fig. 4	Typical gas supply installation.

Gas Supply Pressures

This heater must be isolated from the gas supply piping system by closing its individual manual shut-off valve during any pressure equal to or less than 1/2 psig (3.45kPa).

The heater and its individual shut-off valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1/2 psig (3.45kPa).

Fan Kit

115 volt, 60 Hz. 56w (Model FK24)

NOTE: The LHER20 and LHER30 are not designed for a fan kit.

The fan kit includes the following: fan, temperature sensor, speed control and a 6 ft. cord. The following explains how to start and set the fan for automatic operation.

1.Plug in the electrical cord.

2.Start gas fire - see lighting procedures.

3.Turn on fan speed control.

4.Wait until the unit has warmed up sufficiently to activate the temperature sensor, approx. 5-10 minutes.

5.Once fan starts, adjust speed control to desired fan speed. The fan will now automatically come on every time the fireplace is in operation. Should the fan not be needed simply turn off the speed control.

The appliance, when installed must be electrically connected and grounded in accordance with local codes or, in the ab- sence of local codes, with the current CSA C22.1 Canadian Electrical Code.

U.S. Installations, follow local codes and the National Electrical Code, ANSI/NFPA No. 70.

Should this fan require servicing, the power supply must be disconnected. For rewiring of any replacement components refer to Figure 6.

LHE Series Natural Vent Insert

Fan Removal Instructions

1.Turn off gas and electricity.

2.Remove the front glass.

3.Remove the logs.

CAUTION: Logs may be hot!

4.For Model LHEC20: remove burner assembly and

bracket rear log. For Model LHEC30: remove brack- et rear log and cover fan.

5.Remove the fan mounting nuts (2 nuts). (Fig. 5)

6.Slip off the electrical connector at the motor.

7.Lift out the fan.

8.To reinstall reverse procedure.

Screw

Stud

Thermal Sensor is		Fan is Installed
Attached to Burner
		at the Back of the
Base
		Air Intake Box
	Screw Stud

Fan Speed Control/Junction Box

	FP1252
Fig. 5	Fan location.
	Fan
	Temperature Sensor
Speed
Control
Black
White
Ground
	FP394

Fig. 6 Wiring diagram RN/RP. NOTE: For comfort valve wir- ing diagram refer to Page 18, Figure 27.

Installation of Trim Switch

for RN/RP Gas Valves

1.Thread wire through openings on the right side of fire- place. Do not cut wire or insulation on metal edges.

2.Insert ON/OFF switch with wiring assembly into the bracket switch with the pre-punched opening mounted on the right side of the trim. (Fig. 7)

3.For left side installation, relocate the bracket switch to the left side of the trim kit and repeat Step 2. (Fig. 8)

4.Connect wiring from the switch to the gas valve (Fig. 9a & b).

10005360 7