Desa FBS-3C, FB-5B, FBS-5C Operating Heater, Lighting Instructions, To Select Heating Level

INFRARED PROPANE/LP GAS HEATER

OPERATING

HEATER

Continued

LIGHTING

INSTRUCTIONS

1.	STOP! Read the safety information
	page 11, column 3.
2.	Make sure equipment shutoff valve
	is fully open.
3.	Turn control knob clockwise
	to the OFF position.
4.	Wait five minutes to clear out any
	gas. Then smell for gas, including
	near the floor. If you smell gas,
	STOP! Follow “B” in the safety in-
	formation page 11, column 3. If you
	don’t smell gas, go to the next step.
5.	Press in and turn control knob coun-
	terclockwise	to PILOT/IGN
	position. Press in control knob for
	five (5) seconds (see Figure 18).
	Note: You may be running this heater
	for the first time after hooking up to
	gas supply. If so, you may need to press
	in control knob for 30 seconds. This will
	allow air to bleed from the gas system.
	• If control knob does not pop up when
	released, contact a qualified service
	person or supplier for repairs.
6.	Release downward pressure on con-
	trol knob and turn clockwise
	to OFF position.

Figure 18 - Control Knob In The OFF Position

	Ignitor Electrode
Thermocouple	Pilot Burner

Figure 19 - Pilot

TO SELECT

HEATING LEVEL

WARNING: When running heater, set control knob at LOW, MEDIUM, or HIGH locked posi- tions. Never set control knob be- tween locked positions. Poor combustion and higher levels of carbon monoxide may result.

CAUTION: Do not try to adjust heating levels by using the equip- ment shutoff valve.

Slightlypressincontrolknobandturncoun-

terclockwise to the LOW, ME- DIUM, or HIGH positions (see Figure 20).

IMPORTANT: Release downward pres- sure while turning control knob. Control knob will lock at the desired position.

TO TURN OFF GAS TO

APPLIANCE

Shutting Off Heater

1.Turn control knob clockwise to the OFF position.

2.Turn off all electric power to the ap- pliance if service is to be performed.

Shutting Off Burner Only (pilot stays lit)

Turn control knob clockwise to the PILOT/IGN position.

MANUAL LIGHTING

PROCEDURE

1.Follow steps 1 through 5 under Light- ing Instructions.

2.With control knob pressed in, strike match. Hold match to pilot until pi- lot lights.

3.Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob.

7. Press in control knob and turn back

to PILOT/IGN. This will cause the

piezo ignitor to spark and light the

pilot gas. If needed, repeat steps 5

through 7 until pilot lights.

Note: If pilot does not stay lit, refer

to Troubleshooting, pages 15 through

17. Also contact a qualified service

person or gas supplier for repairs.

Until repairs are made, light pilot

with match. To light pilot with match,

see Manual Lighting Procedure.

8 . Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob.

Note: If pilot goes out, repeat steps 3 through 7.

Control
Knob	FB-3B	FB-5B

LOW

MED

HIGH

OFF

Figure 20 - Burner Patterns

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