Carrier 40QAC - page 25

LEGEND

NOTE: For systems with indoor units equipped with microprocessor

control, see se

arate controls, service, and troubleshootin

manual.

NC — Normally Closed

ODT — Outdoor Thermostat

A07436

Fig.34 -- Troubleshootingthe Cooling Cycle

40QAC/38HDR -- 40QAQ/38QR

Contents

Main 40QAC / 38HDR 40QAQ / 38QRR Ceiling---Suspended Duct Free Split System Sizes 018 to 060 Installation Instructions SAFETY CONSIDERATIONS DIMENSIONS -- INDOOR NOTES: Fig.1 -- 40QA Dimensions 40QAC/38HDR -- 40QAQ/38QRR Fig.2 --38HDR Outdoor Unit Dimensions-- English 40QAC/38HDR -- 40QAQ/38QRR Fig.3 --38HDR Outdoor Unit Dimensions --SI 40QAC/38HDR -- 40QAQ/38QRR Fig.4 --38QRR Outdoor Unit Dimensions --English 40QAC/38HDR -- 40QAQ/38QRR Fig.5 --38QRR Outdoor Unit Dimensions-- SI Parts List IndoorUni t Outdoor Unit SYSTEM REQUIREMENTS Clearances Piping Lengths PipeSizes RefrigerantCharge Powerand Connecting Cables --Field Supplied Power: Control Wiring User Interface --Finish ed Goods Accessory 40QAC/38HDR -- 40QAQ/38QR INSTALLATION Complete Pre--installationCheck s ConsiderSystem Requirements INSTALL INDOOR UNIT Page INSTALL OUTDOOR UNIT Mounting on Ground Mounting on Roof Mounting Unit on Wall Complete Outdoor Refrigerant Piping Conn ec- tions Connection at Outdoor Unit CompleteOutdoor Power and Control Wiring PowerWiring Control Wiring ELECTRICAL DATA Table10 38 HDR Electrical Data Table11 38QR RE lectrical Data Table12 40 QAC/QAQ Electrical Data Page Page CompleteIndoor Piping ConnectCondensate Drain Line CompleteControl Wiring Complete Power Connection To Indoor Unit Install Thermostat ReassembleInd oor Unit START--UP t PreliminaryChecks Evacuate and Dehydrate the System Outdoor Unit Indoor Uni ToStart the Unit: OPERATINGSEQUENCE CLEANING AND MAINTENANCE AIR FILTERS Toclean the outdoor coil: Toclean or replace drain pan: SERVICE BeforeCalling for Service FRESH AIR INSTALLATIONOPTION TROUBLESHOOTING