Carrier 48HC User's Information Manual

Also see for PACKAGE ROOFTOP 48HC: Installation instructions Installation instructions User's information manual Installation instructions

Carrier 48HC User's Information Manual Manual pdf 1 page image

48HC with EnergyXR SystemFactory Installed Energy RecoverySingle ---Package Rooftop Unit (RTU)Gas Heating/Electric Cooling Units15 to 25 Nominal Tonswith Puronr (R ---410A) RefrigerantUser’s Information ManualNOTE: Read the entire instruction manual before startingthe installation.ELECTRICAL SHOCK, FIRE OR EXPLOSIONHAZARDFailure to follow safety warnings exactly could resultin dangerous operation, serious injury, death orproperty damage.Improper servicing could result in dangerousoperation, serious injury, death or property damage.S Before servicing, disconnect all electrical power tothe unit.S When servicing controls, label all wires prior todisconnecting. Reconnect wires correctly.S Verify proper operation after servicing.! WARNINGNOTE TO INSTALLER:This manual should be left with the equipment owner.TABLE OF CONTENTS PageSAFETY CONSIDERATIONS 1. . . . . . . . . . . . . . . . . . . .COMFORTLINK CONTROL 3TO LIGHT UNIT 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TO SHUT OFF UNIT 4. . . . . . . . . . . . . . . . . . . . . . . . . . .ROUTINE MAINTENANCE & CAREFOR THE EQUIPMENT OWNER 6. . . . . . . . . . . . . . . . .REGULAR DEALER MAINTENANCE 9. . . . . . . . . . . .BEFORE YOU CALL FOR SERVICE 10. . . . . . . . . . . .SAFETY CONSIDERATIONSImproper installation, adjustment, alteration, service,maintenance, or use can cause fire, electrical shock, orother conditions which may cause personal injury orproperty damage. Consult a qualified installer, serviceagency or your distributor or branch for information orassistance. The qualified installer or agency must usefactory--authorized kits or accessories when modifyingthis product. Refer to the individual instructions packagedwith the kits or accessories when installing.Follow all safety codes and wear safety glasses. Have fireextinguisher available. Read these instructions thoroughlyand follow all warnings or cautions attached to the unit.Consult local and state building codes and Sheet Metaland Air Conditioning National Association (SMACNA)for special installation requirements.Recognize safety information. This is the safety--alertsymbol . When you see this symbol on the unit or ininstructions and manuals, be alert to the potential forpersonal injury. Understand the signal words DANGER,WARNING, and CAUTION. These words are used withthe safety--alert symbol. DANGER identifies the mostserious hazards, which will result in severe personal injuryor death. WARNING signifies hazards, which could resultin personal injury or death. CAUTION is used to identifyunsafe practices, which may result in minor personalinjury or product and property damage. NOTE is used tohighlight suggestions which will result in enhancedinstallation, reliability, or operation.Should the gas supply fail to shut off or if overheatingoccurs, shut off the gas valve to the furnace (see Figs. 2and 3) before shutting off the electrical supply.