Carrier 48PG03---16 User's Information Manual

Also see for 48PG03: User's information manual Installation, Start-Up and Service Instructions

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 111 Catalog No. 04-53480006-01 Printed in U.S.A. Form 48PG-5SO Pg 1 8-05 Replaces: 48PG-4SOBook 1 4Tab 1a 6aUser’s Information ManualNOTE TO INSTALLER:This manual should be left with the equipment owner.Your combination heating/cooling unit is equipped with di-rect spark ignition and induced draft power combustion blower.CONTENTSPageDETERMINE TYPE OF UNIT CONTROL . . . . . . . . . . . . . . 1TO LIGHT UNIT (Units with Electro-MechanicalControl) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2TO LIGHT UNIT (Unitswith ComfortLink™Control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5TO SHUT UNIT OFF (Units withElectro-Mechanical Control). . . . . . . . . . . . . . . . . . . . . . . 5TO SHUT UNIT OFF (Units withComfortLinkControl) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8MAINTAINING YOUR UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . 8ROUTINE MAINTENANCE AND CARE FORTHE EQUIPMENT OWNER. . . . . . . . . . . . . . . . . . . . . . . 8,9Air Filter(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Alarm Status (Units withComfortLink Control) . . . . . . 8Integrated Gas Controller (IGC) . . . . . . . . . . . . . . . . . . . . . 9Combustion Area and Vent System . . . . . . . . . . . . . . . . . 9Heat Exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Evaporator, Condenser, andCombustion Fan Motors. . . . . . . . . . . . . . . . . . . . . . . . . . . 9Indoor Fan, Belt, and Pulleys . . . . . . . . . . . . . . . . . . . . . . . . 9Indoor Fan Shaft Bearings (Sizes 03-14). . . . . . . . . . . . . 9Indoor Fan Shaft Bearings (Size 16) . . . . . . . . . . . . . . . . . 9Refrigerant Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Evaporator and Condenser Coils . . . . . . . . . . . . . . . . . . . . 9Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Condenser Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Electrical Controls and Wiring. . . . . . . . . . . . . . . . . . . . . . . 9Unit Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9REGULAR DEALER MAINTENANCE. . . . . . . . . . . . . . . . 10BEFORE YOU CALL FOR SERVICE CHECK FORSEVERAL EASILY SOLVED PROBLEMS . . . . . . . . . . 10IN CASE OF TROUBLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10DETERMINE TYPE OF UNIT CONTROLThe procedures used to light or shut off the unit depend onthe type of unit control. This section will help determine thecontrol type of the unit.Electro-Mechanical Control — These units may becontrolled directly by a thermostat, or indirectly by a third-party control that connects to the thermostat inputs. For directthermostat control, use the Electro-Mechanical Controlprocedures in this book. For units with third-party controlsconnected to the thermostat inputs, refer to the third-party con-trol instructions for procedures to ensure complete unit shut off.ComfortLink Control — These units have a factory-installed Carrier ComfortLink control. A Scrolling Marqueedisplay is located on the front of the unit control box behind thecontrol box and compressor access door. These units may becontrolled directly by a thermostat, directly by a space temper-ature sensor, or indirectly through other Carrier ComfortNetwork® (CCN) communication devices. To ensure completeunit shut off, use the ComfortLink Control procedures in thisbook.WARNING: If the information in this manualis not followed exactly, a fire or explosionmay result causing property damage, per-sonal injury or loss of life.— Do not store or use gasoline or otherflammable vapors and liquids in thevicinity of this or any other appliance.— WHAT TO DO IF YOU SMELL GAS• Do not try to light any appliance.• Do not touch any electrical switch; donot use any phone in your building.• Immediately call your gas supplierfrom a neighbor’s phone. Follow thegas supplier’s instructions.• If you cannot reach your gas supplier,call the fire department.— Installation and service must be per-formed by a qualified installer, serviceagency or the gas supplier.Improper installation, adjustment, alteration, ser-vice or maintenance can cause injury or propertydamage. Refer to this manual. For assistance oradditional information consult a qualified installer,service agency, or the gas supplier.Before performing recommended maintenance, be suremain power switch to unit is turned off and lockout tag isinstalled. Electrical shock could cause personal injury.Burners will light automatically. Do not attempt to light byhand; personal injury may result.48PG03-16Gas Heating/Electric Cooling Unitswith PURON® (R-410A) Refrigerant