Carrier SINGLE PACKAGE ROOFTOP 48HC Installation Instructions Manual

Also see for 48TC*D: Service and maintenance instructions Installation instructions

50Economizer 2 Position Damper Unit Without Economizer or2 Position DamperC10645Fig. 76 -- EconoMi$ert IV WiringStep 13 — Adjust Factory--Installed OptionsEconoMi$er IV Occupancy Switch —Refer to Fig. 76 for general EconoMi$er IV wiring.External occupancy control is managed through aconnection on the Central Terminal Board.If external occupancy control is desired, connect a timeclock or remotely controlled switch (closed for Occupied,open for Unoccupied sequence) at terminals markedOCCUPANCY on CTB. Remove or cut jumper JMP 2 tocomplete the installation.Step 14 — Install AccessoriesAvailable accessories include:Roof CurbThru--base connection kit (must be installed before unitis set on curb)LP conversion kitManual outside air damperHigh Altitude Gas kitsLow Ambient ControlsThermostat / SensorsTwo--Position motorized outside air damperEconoMi$er2 (without control/for external signal andintegrated barometric relief)EconoMi$er IV (with control and integrated barometricrelief)Power ExhaustDifferential dry--bulb sensor (EconoMi$er IV)Outdoor enthalpy sensorDifferential enthalpy sensorCO2 sensorDDC interface (PremierLink)Louvered hail guardPhase monitor controlWinter Start kitRefer to separate installation instructions for informationon installing these accessories.Pre--Start and Start--UpThis completes the mechanical installation of the unit.Refer to the unit’s Service and Maintenance manual fordetailed Pre--Start and Start--up instructions.48HC

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