Gas Heater User Manual

ManualsBrandsCarrier ManualsGas Heater48SX

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 content (12 pages)

PAGE 1
48SS 48SX Combination Gas Heating/Electric Cooling Units 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 vicinity of this or any other appliance. • • • • Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual.
PAGE 2
Your combination heating/cooling unit is equipped with an automatic direct spark ignition and power combustion blower. Do not attempt to light by hand; personal injury may result. TO LIGHT UNIT BURNER ACCESS PANEL 1. Do not turn off the electrical power to unit without first turning off the gas supply. 2. Before attempting to start the gas heating section, familiarize yourself with all the procedures that must be followed.
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ROUTINE MAINTENANCE Air Filters — Air filter(s) should be checked at least every 3 or 4 weeks and changed or cleaned whenever it becomes 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 5⁄16-in. nut driver. 2.
PAGE 4
Heat Exchanger — To ensure dependable and efficient heating operation, the heat exchanger should be checked by a qualified maintenance person before each heating season, and cleaned when necessary. This checkout should not be attempted by anyone not having the required expertise and equipment to properly do the job.
PAGE 5
STEP 1 STEP 3 STEP 2 STEP 4 STEP 5 STEP 7 STEP 6 STEP 8 STEP 10 STEP 9 Fig.
PAGE 6
STEP 1 STEP 2 STEP 3 STEP 5 STEP 4 STEP 6 STEP 7 Fig.
PAGE 7
Watch the burner flame to see if it is bright blue. If you observe a suspected malfunction or if the burner flames are not bright blue, call your dealer. 6. Replace burner access panel. Unit Panels — After performing any maintenance or service on the unit, be sure all panels are fastened securely in place to prevent rain from entering unit cabinet and to prevent disruption of the correct unit airflow pattern. FILTER ACCESS PANEL REGULAR DEALER MAINTENANCE Fig.
PAGE 8
BEFORE YOU CALL FOR SERVICE, CHECK FOR SEVERAL EASILY-SOLVED PROBLEMS 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. If insufficient heating or cooling is suspected: ( ) During the heating season, check the control switch on the internal gas valve. Is it in the ON position? If it is not, be sure it was not turned off for the purpose of safety.
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MODEL 48SS WARRANTY 11
PAGE 12
MODEL 48SX WARRANTY Copyright 1998 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 111 Catalog No. 564-993 Printed in U.S.A.