Operating heater – Desa "A" Models User Manual

Page 17

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104415-01L

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17

17

Figure 26 - Pilot

Ignitor Electrode

Thermocouple

Pilot
Burner

OPERATING HEATER (THERMOSTAT-CONTROLLED MODELS)

To Turn Gas Off To Appliance

Thermostat Control Operation

Manual Lighting Procedure

OPERATING HEATER (MANUALLY-CONTROLLED MODELS)

For Your Safety Read Before Lighting

TO TURN OFF GAS

TO APPLIANCE

1.

Follow steps 1 through 5 under Lighting Instructions, page 16.

2.

Depress control knob and light pilot with match.

3.

Keep control knob pressed in for 30 seconds after lighting
pilot. After 30 seconds, release control knob. Now follow
step 8, page 16.

CAUTION: Do not try to adjust heating levels by

using the equipment shutoff valve.

OPERATING HEATER

Continued

Shutting Off Heater

Turn control knob clockwise

to the OFF position.

Shutting Off Burners Only (pilot stays lit)

Turn control knob clockwise

to the PILOT position.

THERMOSTAT CONTROL

OPERATION

The thermostat control knob can be set to any comfort level
between HI and LO. The thermostat will gradually modulate the
heat output and flame height from higher to lower settings, or
pilot, in order to maintain the comfort level you select. The ideal
comfort setting will vary by household depending upon the amount
of space to be heated, the output of the central heating system, etc.

Note:

Selecting the HI setting with the control knob will cause the

burner to remain fully on, without modulating down in most cases.

MANUAL LIGHTING

PROCEDURE

WARNING: If you do not follow these instructions

exactly, a fire or explosion may result causing prop-
erty damage, personal injury or loss of life.

A. This appliance has a pilot which must be lighted by hand.

When lighting the pilot, follow these instructions exactly.

B. BEFORE LIGHTING smell all around the appliance area

for gas. Be sure to smell next to the floor because some gas
is heavier than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do not use any phone in

your building.

• Immediately call your gas supplier from a neighbor’s

phone. Follow the gas supplier’s instructions.

• If you cannot reach your gas supplier, call the fire de-

partment.

C. Use only your hand to push in or turn the gas control knob.

Never use tools. If the knob will not push in or turn by
hand, don’t try to repair it, call a qualified service techni-
cian or gas supplier. Force or attempted repair may result
in a fire or explosion.

D. Do not use this appliance if any part has been under water.

Immediately call a qualified service technician to inspect
the appliance and to replace any part of the control system
and any gas control which has been under water.

FOR YOUR SAFETY READ

BEFORE LIGHTING

MANUALLY-CONTROLLED MODELS

8.

Turn control knob counterclockwise

to desired

heating level. The burners should light. Set control knob to
any heat level between HI and LO.

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