Manuals / Carrier / Household Appliance / Heat Pump

Carrier 50HCQA installation instructions Install Accessories, Pre-Startand Start-Up

Models: 50HCQA

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Step 12 — Install Accessories

Available accessories include:

Roof Curb

Thru-base connection kit (must be installed before unit is set on curb)

Manual outside air damper Two-Position motorized outside air damper

EconoMi$er IV (with control and integrated barometric relief)

EconoMi$er2 (without control/for external signal and integrated barometric relief)

Power Exhaust

Differential dry-bulb sensor (EconoMi$er IV) Outdoor enthalpy sensor

Differential enthalpy sensor

Time Guard II compressor anti-cycle control Outdoor coil hail guard

Outdoor coil protector grille Head pressure control Programmable setback thermostat Electrical/Mechanical thermostat and subbase Electric Heaters

Single Point kits Thermostat / Sensors CO2 sensor

DDC interface (PremierLink) Louvered hail guard

Phase monitor control

Refer to separate installation instructions for information on installing these accessories.

Pre-Start and Start-Up

This completes the mechanical installation of the unit. Refer to the unit’s Service Manual for detailed Pre-Start and Start-up instructions.

50HCQA

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Carrier 50HCQA installation instructions Install Accessories, Pre-Startand Start-Up

Contents

with Puronr R---410ARefrigerant Sizes TABLE OF CONTENTSInstallation Instructions 50HCQA Single Package Rooftop Heat PumpELECTRICAL SHOCK HAZARD SAFETY CONSIDERATIONSUNIT OPERATION AND SAFETY HAZARD 50HCQAC10230 50HCQAVertical Connections / Economizer Horizontal Connections / EconomizerStep 1 - Plan for Unit Location INSTALLATIONFig. 2 - Service Clearance Dimensional Drawing Jobsite SurveyFrame-mountedinstallation Step 2 - Plan for Sequence of Unit InstallationCurb-mountedinstallation Pad-mountedinstallation50HCQA Fig. 3 - Roof Curb DetailsFig. 4 - Unit Leveling Tolerances For Units with Accessory Electric HeatersStep 5 - Field Fabricate Ductwork Step 6 - Rig and Place UnitFig. 6 - Horizontal Conversion Panels Fig. 5 - Rigging Details Positioning on Curb50HCQA Fig. 8 - Economizer Wiring Step 8 - Install Outside Air HoodEconomizer Hood Removal and Setup Fig. 7 - Typical Access Panel LocationsFig. 11 - Economizer Hood Construction Fig. 12 - Economizer Filter InstallationFig. 10 - Indoor Coil Access Panel Relocation Economizer Hood and Two-PositionHoodStep 10 - Make Electrical Connections Field Power SupplyFig. 15 - Disconnect Switch and Unit Units Without Factory-InstalledDisconnectUnits With Disconnect Option Units with Factory-InstalledDisconnectFig. 16 - Power Wiring Connections Units Without Disconnect Option50HCQA Fig. 18 - Weatherproof Cover InstallationFig. 19 - Powered Convenience Outlet Wiring Factory-Option Thru-BaseConnectionsFig. 20 - Thru-BaseConnection Fittings Field Control WiringUnit without Thru-BaseConnection Kit Heat Anticipator SettingsTable 2 - Heater Model Number Fig. 22 - Field Control Wiring RacewayFig. 23 - Typical Access Panel Location Electric Heaters50HCQA Fig. 25 - Typical Module InstallationFig. 26 - Typical Single Point Installation Single Point Boxes and Supplementary Fuse50HCQA PremierLinkt Factory-OptionFig. 28 - PremierLink Controller Supply Air Temperature SAT Sensor50HCQA Fig. 30 - Typical PremierLink Wiring SchematicC10227 Fig. 32 - PremierLink T-55Sensor Field ConnectionsOutdoor Air Temperature OAT Sensor EconoMi$ert2J4-4 SPACECTB THERMOSTAT THERMOSTAT R RTB1PL G2 J4-12 Y1 4 J4-10 Y2 6 J4-8 W1 8 J4-6INPUT SIGNAL Table 4 - Space Sensor ModeTable 5 - Thermostat Mode INPUT SIGNALEconomizer Controls Configure the Unit for Thermostat ModeWiring Fig. 36 - Enthalpy Switch 33CSENTHSW ConnectionsFig. 38 - Indoor/Outdoor Air Quality CO2 Sensor 33ZCSENCO2 - Typical Wiring DiagramOutdoor Air Quality Sensor PNO 33ZCSENCO2 plus weatherproof enclosureFig. 43 - PremierLink Wiring Fan Pressure Switch Filter Status SwitchFig. 42 - PremierLink Filter Switch Connection Supply Fan Status SwitchFig. 46 - PremierLink CCN Bus Connections Connecting CCN busTable 6 - Recommended Cables Table 7 - Color Code Recommendations50HCQA RTU-MPControl SystemFig. 47 - RTU-MP Multi-ProtocolControl Board Fig. 48 - 50HCQ Control Box Component LocationsC10229 50HCQAOutdoor Air Temperature OAT Sensor Table 8 - RTU-MPController Inputs and Outputs50HCQA Supply Air Temperature SAT SensorFig. 51 - RTU-MP T-56Sensor Connections C08461 Fig. 52 - Space Temperature Sensor Typical Wiring33ZCT59SPT Fig. 50 - RTU-MP T-55Sensor ConnectionsFig. 54 - RTU-MP /Outdoor CO2 Sensor Connecting Discrete InputsFig. 53 - RTU-MP /Indoor CO2 Sensor 33ZCSENCO2 ConnectionsGeneral Communication Wiring - ProtocolsFig. 55 - RTU-MPPower Exhaust Connections Fig. 56 - RTU-MPSW3 Dip Switch Settings50HCQA Local AccessRTU-MPTroubleshooting Fig. 57 - BACview6 Handheld ConnectionsController Smoke DetectorsTable 9 - LEDs SystemLocation Return Air without Economizer Fig. 58 - Controller AssemblySmoke Detector Locations Supply AirSampling Tube See “Completing Installation of Return Air SmokeFlexible Exhaust Tube Return AirHIGH 50HCQANOTE See page 42 for table legend and notes HIGHHIGH 50HCQAUNIT DD---STDHIGH 50HCQADD---STD HIGHHIGH 50HCQAUNIT 208/230HIGH 50HCQAUNIT 208/230HIGH 50HCQA208/230 HIGHLegend and Notes for Table Step 11 - Adjust Factory-InstalledOptionsFig. 65 - EconoMi$ert IV Wiring EconoMi$er IV Occupancy SwitchPre-Startand Start-Up Step 12 - Install Accessories50HCQA Replaces NEW 50HCQACatalog No 50HCQ---01SI Edition Date 04/10