Carrier 48GX user manual

Summary of the content on the page No. 1

48GS,GX
Combination Gas Heating/
Electric Cooling Units
AGuide To Operating and Maintaining Your
Gas Heating/Electric Cooling Unit
NOTE TO INSTALLER
FOR YOUR SAFETY
This manual should be left with the equipment owner. WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
FOR YOUR SAFETY
• Donottouchanyelectricalswitch;donot
use any phone in your building.
Do not store or use gasoline or other
• Immediatelycallyourgassupplierfrom
flammablevaporsandliquidsinthevicin-
aneighbor’sphone.Fol

Summary of the content on the page No. 2

Your combination heating/cooling unit is equipped with anautomaticdirectsparkignitionandpowercombustionblower. Do not attempt to light by hand; personal injury may result. TO LIGHT UNIT 1. Do not turn off the electrical power to unit without first turning off the gas supply. 2. Beforeattemptingtostartthegasheatingsection,fa- miliarize yourself with all the procedures that must be followed. Ifyoudonotfollowtheseinstructionsexactly,afireor explosion may result, causing property damage, injury, FRONT

Summary of the content on the page No. 3

ROUTINE MAINTENANCE Allroutinemaintenanceshouldbehandledbyskilled,ex- Neveroperateyourunitwithoutfiltersinplace.Failure perienced personnel. Your dealer can help you establish a toheedthiswarningmayresultindamagetotheblower standard procedure. motorand/orcompressor.Anaccumulationofdustand Foryoursafety,keeptheunitareaclearandfreeofcom- lint on internal parts of your unit can cause loss of ef- bustiblematerials,gasoline,andotherflammableliquidsand ficiency and, in some cases, fire. vapors. Toassurepr

Summary of the content on the page No. 4

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

Summary of the content on the page No. 5

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

Summary of the content on the page No. 6

Components in heat section may be hot after unit hasbeenstartedup.Whenobservingflame,becare- ful not to get close to or touch heating components or serious personal injury may result. 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. UnitPanels— Afterperforminganymaintenanceorserv- ice on the unit, be sure all panels are fastened securely in place to prevent rain f

Summary of the content on the page No. 7

BEFORE YOU CALL FOR SERVICE, NOTE: Before proceeding with the next check, turn OFF CHECK FOR SEVERAL EASILY-SOLVED the gas supply, then the electrical power supply to the unit. PROBLEMS Remove the control access door. If insufficient heating or cooling is suspected: ( )Duringtheheatingseason,checkthecontroldialonthe internal gas valve. Is it in the ON position? If it is not, be ( )Checkforsufficientairflow.Checktheairfilterfordirt. sure it was not turned off for the purpose of safety. If no Check

Summary of the content on the page No. 8

Summary of the content on the page No. 9

9 ---------------------------------------------------------------------------------------- CUTALONG DOTTED LINE CUTALONG DOTTED LINE

Summary of the content on the page No. 10

10

Summary of the content on the page No. 11

MODEL 48GS WARRANTY 11

Summary of the content on the page No. 12

MODEL 48GX WARRANTY Copyright 1999 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. 534-742 Printed in U.S.A. Form 48GS,GX-1SO Pg 12 3-99 Replaces: 48GS-1SO Tab 1a 6a