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035--15875--301 (1198)

Use and Care Instructions

For

Gas Downflow Furnace

DLAS MODELS

(No Coil Cabinet)

DGAM, DGAT & DGPT MODELS

(With Built--in Coil Cabinet)

If not installed, operated, and maintained in

accordance with the manufacturer's instructions,

this product could expose you to substances in

fuel or from fuel combustion which are known to

the State of California to cause cancer, birth

defects or other reproductive harm. Also,

operation, installation and servicing of this

product could expose you to airborne particles of

glasswool fibers known to the State of California

to cause cancer through inhalation.

FOR YOUR SAFETY -- Do not store or use flam-

mable liquids, vapors, or materials in the immediate

area near the furnace or other heating appliance.

Improper installation, adjustment, alteration, service

or maintenance can cause property damage, per

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sonal injury or loss of life. Installation and service

must be performed by a qualified installer, service

agency or the gas supplier.

Never attempt to modify this furnace. Fire, explo

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sion, or asphyxiation may result. If malfunction oc

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curs, obtain the assistance of a qualified service

agent.

Before placing furnace in service, it must be

checked to make sure it is equipped for the

type of gas being used. The burner flame

must also be observed and adjusted if neces

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sary. Failure to observe this caution may re

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sult in unsafe operation, explosion, and/or

fire or asphyxiation. See sections Gas Sup

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ply" and Combustion Air".

Use of furnace or air conditioning components

that are not included in the Underwriter's Lab

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oratories certification of this appliance may

create a hazard, will invalidate the certifica

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tion, and will in many states make installation

illegal. UL listed air conditioning components

are specified on the furnace label.

Summary of Contents for DLAS

Page 1: ...ration service or maintenance can cause property damage per sonal injury or loss of life Installation and service must be performed by a qualified installer service agency or the gas supplier Never at...

Page 2: ...ed to operate on only one of these two different gases A small metal tag secured to the fur nace next to the gas valve will specify the type of gas your furnace is equipped to use If the gas is differ...

Page 3: ...wer to the appliance if service is to be per formed 3 Remove the furnace doors 4 Move gas control switch to OFF position DO NOT FORCE 5 Replace the furnace doors GAS CONTROLCONTROL LEVER FIGURE 1 ROBE...

Page 4: ...satisfied at which time all burner flame is extin guished Duringthe off cycle no gas is consumed Withthe roomthermostat set below roomtemperature andwith the electrical power andgas supply to the furn...

Page 5: ...upply fail to shut off shut off the manual gas valve to the furnace and allow blower to run until furnace cools down and blower shuts off before shutting off the electrical supply The furnace gas valv...

Page 6: ...the tips of the flame will be yellow See Figure 6 5 On Propane gas almost all of the flame will be yellow although some blue should still be present at the base of the flame next to the end of the bu...

Page 7: ...the supply of gas to the burner in case of malfunc tion For this reason it is never practi cal to assume that the furnace will op erate unattended for a long period of time especially if there is a po...

Page 8: ...er for assistance in getting the derated orifice installed We hope you follow these instructions and enjoy many years of trouble free service If you have any questions please feel free to contact the...

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