Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 48TC**16 installation instructions RTU Open System Control Wiring Diagram, C11204

Models: 48TC**16

1 48

Download 48 pages 56.73 Kb

Page 33

Image 33

48TC**16

Fig. 67 - RTU Open System Control Wiring Diagram

C11204

Page 33

Image 33

Carrier 48TC**16 installation instructions RTU Open System Control Wiring Diagram, C11204

Contents

Installation Instructions TABLE OF CONTENTS48TC**16 Single Package RooftopUNIT OPERATION AND SAFETY HAZARD SAFETY CONSIDERATIONS48TC**16 FIRE, EXPLOSION HAZARD48TC**16 Fig. 1 - Unit Dimensional Drawing – 16 Size UnitVertical Connections / Economizer Horizontal Connections / EconomizerFig. 2 - Service Clearance Dimensional Drawing INSTALLATIONStep 1 — Plan for Unit Location Jobsite SurveyTable 1 – Operating Weights Step 2 - Plan for Sequence of Unit InstallationCurb-mountedinstallation — Pad-mountedinstallation —Fig. 3 - Roof Curb Details 48TC**16C10772 Step 6 — Rig and Place Unit Step 5 — Field Fabricate DuctworkFig. 4 - Unit Leveling Tolerances PROPERTY DAMAGE HAZARDPositioning on Curb — Fig. 6 - Retrofit Installation DimensionsFig. 8 - Horizontal Conversion Panels 48TC**16Economizer Hood Removal and Setup Step 8 — Install Outside Air HoodFig. 9 - Typical Access Panel Locations Factory OptionFig. 12 - Indoor Coil Access Panel Relocation Step 9 — Install Flue HoodFig. 14 - Economizer Filter Installation Economizer Hood and Two-PositionHood —Fig. 16 - Gas Piping Guide Step 10 — Install Gas PipingTable 2 – Natural Gas Supply Line Pressure Ranges EQUIPMENT DAMAGE HAZARDFig. 20 - Gas Piping OptionFig. 19 - Gas Line Piping Fig. 21 - Gas PipingFIRE OR EXPLOSION HAZARD Fig. 23 - Orifice HoleFig. 24 - Condensate Drain Pan Side View Step 12 — Make Electrical Connections Field Power Supply —Fig. 26 - Conduit into Factory Option Disconnect Fig. 25 - Condensate Drain Piping DetailsUnits Without Factory-InstalledDisconnect — Fig. 30 - Disconnect Switch and UnitUnits with Factory-InstalledDisconnect — Fig. 29 - Mounting Position for Field DisconnectsConvenience Outlets — Fig. 31 - Power Wiring ConnectionsELECTRICAL OPERATION HAZARD Fig. 33 - Convenience Outlet Utilization NoticeFig. 35 - Weatherproof Cover Installation Fig. 34 - Unit Powered Convenience Outlet WiringELECTRICAL OPERATION HAZARD 48TC**16Factory-Option Thru-BaseConnections Field Control WiringElectrical Connections— Fig. 36 - Thru-the-BaseOption, Shipping PositionHeat Anticipator Settings — Fig. 39 - Thermostat Wire RoutingUnit without Thru-BaseConnection Kit — Fig. 38 - Typical Low-VoltageControl ConnectionsHumidi-MiZerR Control Connections Fig. 40 - Accessory Field-InstalledHumidistatHumidi-MiZer- Space RH Controller To connect the Carrier humidistat HL38MG02948TC**16 with EDGE Pro Thermidistat DevicePremierLinkt Factory Option Fig. 44 - PremierLink Controller48TC**16 Fig. 46 - PremierLink Wiring Schematic 48TC**16C11202 C11203 48TC**16Outdoor Air Temperature OAT Sensor — Supply Air Temperature SAT Sensor —Field Connections EconoMi$er2 —Table 5 – Thermostat Mode Table 4 - Space Sensor ModeINPUT SIGNAL INPUT SIGNALConfigure the unit for Thermostat Mode — Fig. 49 - T-55Space Temperature Sensor WiringSpace Sensors — Fig. 52 - PremierLink T-56SensorEconomizer Controls 33ZCSENCO2 - Typical Wiring DiagramIndoor Air Quality CO2 sensor — Fig. 55 - Indoor CO2 Sensor 33ZCSENCO2TB3-7 To wire the sensorBLACK TB3-13Fig. 60 - PremierLink Filter Switch Connection Filter Status SwitchSupply Fan Status Switch Fig. 61 - PremierLink Wiring Fan Pressure SwitchCCN Communication Bus — Connecting CCN BusTable 6 – Recommended Cables Table 7 – Color Code RecommendationsRTU Open Control System Fig. 65 - RTU Open Multi-ProtocolControl Board48TC**16 Fig. 67 - RTU Open System Control Wiring Diagram 48TC**16C11204 C11205 48TC**16Supply Air Temperature SAT Sensor — Table 8 – RTU Open Controller Inputs and OutputsOutdoor Air Temperature OAT Sensor — Field ConnectionsFig. 71 - Space Temperature Sensor Typical Wiring Space Temperature SPT SensorsFig. 69 - RTU Open T-55Sensor Connections Fig. 70 - RTU Open T-56Sensor ConnectionsFig. 72 - RTU Open / Indoor CO2 Sensor Humidi-MiZerR Control Wiring In units equipped33ZCSENCO2 Connections Outdoor Air Quality Sensor Fig. 73 - RTU Open / Outdoor CO2 SensorConnecting Discrete Inputs — 48TC**16Smoke Detector/Fire Shutdown FSD — Fig. 76 - RTU Open SW3 Dip Switch Settings Communication Wiring - ProtocolsFig. 77 - RTU Open Address Switches Fig. 78 - Network WiringRTU Open Troubleshooting — Local AccessP1 P1 P5 P5Outdoor Air Enthalpy Control PNO 33CSENTHSW WiringTable 9 – LEDs Differential Enthalpy Control —Smoke Detectors Fig. 81 - Controller AssemblySystem — Controller —Smoke Detector Locations See “Completing Installation of Return Air SmokeSupply Air LocationFig. 86 - Return Air Sensor Operating Position Fig. 85 - Return Air Detector Shipping PositionAdditional Application Data 48TC**1648TC**16 Legend and Notes for TableStep 14 — Install Accessories Step 13 — Adjust Factory-InstalledOptionsFig. 87 - EconoMi$ert IV Wiring EconoMi$er IV Occupancy Switch —48TC**16 14SI 48TC**16Catalog No: 48TC Replaces: 48TC