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A Guide To Operating and Maintaining Your

Gas Heating/Electric Cooling Unit

NOTE TO INSTALLER

This manual should be left with the equipment owner.

FOR YOUR SAFETY

Do not store or use gasoline or other
flammable vapors and liquids in the vicin-
ity of this or any other appliance.

Improper installation, adjustment, alteration, serv-
ice or maintenance can cause injury or prop-
erty damage. Refer to this manual. For assistance
or additional information, consult a qualified in-
staller, service agency, or the gas supplier.

FOR YOUR SAFETY

WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.
• Do not touch any electrical switch; do not

use any phone in your building.

• Immediately call your gas supplier from

a neighbor’s phone. Follow the gas sup-
plier’s instructions.

• If you cannot reach your gas supplier,

call the fire department.

Before performing recommended maintenance,
be sure gas supply and main power switch to
unit are turned off. Electrical shock could cause
personal injury.

Model 48SS Without Base Rail Shown

Model 48SX With Optional Base Rail

48SS
48SX

Combination Gas Heating/Electric Cooling Units

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book 1

4

Tab

1a 6a

PC 111

Catalog No. 564-993

Printed in U.S.A.

Form 48SS,SX-3SO

Pg 1

5-98

Replaces: 48SS,SX-2SO

Summary of Contents for 48SS

Page 1: ...y appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas sup plier s instructions If you cannot reach your gas supplier call the fire department Before performing recommended maintenance be sure gas supply and main power switch to unit are turned off Electrical shock could cause personal injury Mo...

Page 2: ...Set the temperature selector on room ther mostat to desired setting 1 If the main burners fail to light or the blower fails to start shut down gas heating section and call your dealer for service 2 Never attempt to manually light the main burners on unit with a match lighter or any other flame If the electric sparking device fails to light the main burn ers refer to the following shutdown procedur...

Page 3: ...cked at least ev ery 3 or 4 weeks and changed or cleaned whenever it be comes dirty Dirty filters produce excessive stress on the blower motor and can cause the motor to overheat and shut down Table 1 indicates the correct filter size for your unit Refer to Fig 5 to access the filter s To replace or inspect filter s or accessory filter rack when supplied 1 Remove the filter access panel using a 5 ...

Page 4: ...of condenser or evaporator fan bearings or motors is required or recommended Evaporator and Condenser Coils Cleaning of the coils should only be done by qualified service per sonnel Contact your dealer for the required annual maintenance Condensate Drain The drain pan and condensate drain line should be checked and cleaned at the same time the cooling coils are checked by your dealer Compressor Al...

Page 5: ...STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 STEP 8 STEP 9 STEP 10 Fig 3 To Light Unit 5 ...

Page 6: ...STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 Fig 4 To Shut Unit Off 6 ...

Page 7: ...astened securely in place to prevent rain from entering unit cabinet and to pre vent disruption of the correct unit airflow pattern REGULAR DEALER MAINTENANCE In addition to the type of routine maintenance you might be willing to perform your unit should be inspected regu larly by a properly trained service technician An inspection preferably each year but at least every other year should include ...

Page 8: ...right angle indicating that the valve is closed If closed has the gas been shut off for safety reasons Otherwise you may open the valve and follow the start up procedures listed in this manual NOTE Before proceeding with the next check turn OFF the gas supply then the electrical power supply to the unit Remove the control access door During the heating season check the control switch on the intern...

Page 9: ...9 ...

Page 10: ......

Page 11: ...MODEL 48SS WARRANTY 11 ...

Page 12: ... Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 4 Tab 1a 6a PC 111 Catalog No 564 993 Printed in U S A Form 48SS SX 3SO Pg 12 5 98 Replaces 48SS SX 2SO ...

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