Manuals / Bryant / Household Appliance / Heat Pump

Bryant 548J*14D installation instructions Install Accessories, Pre-Start and Start-Up

Models: 548J*14D

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Step 12 — Install Accessories

Available accessories include:

Roof Curb (must be installed before unit)

Thru-base connection kit (must be installed before unit is set on curb; see page 15)

Manual outside air damper

Two-Position motorized outside air damper (see page 9)

EconoMi$er IV (with control and integrated barometric relief; see page 8)

EconoMi$er2 (without control/for external signal and integrated barometric relief; see page 8)

Power Exhaust

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

Differential enthalpy sensor Electric Heaters (see page 16) Single Point kits (see page 17) Thermostat / Sensors (see pages 21-22) CO2 sensor (see pages 22-24) 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.

548J*14D

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Bryant 548J*14D installation instructions Install Accessories, Pre-Start and Start-Up

Contents

Installation Instructions TABLE OF CONTENTS548J*14D SINGLE PACKAGE ROOFTOP HEAT PUMP WITH WITH PURONR R-410A REFRIGERANT SIZEUNIT OPERATION AND SAFETY HAZARD SAFETY CONSIDERATIONS548J*14D ELECTRICAL SHOCK HAZARD548J*14D Fig. 1 - Unit Dimensional Drawing - Size 14 UnitVertical Connections / Economizer Horizontal Connections / Economizer C09895Fig. 1 - Unit Dimensional Drawing - Size 14 Unit cont INSTALLATIONFig. 2 - Service Clearance Dimensional Drawing Jobsite SurveyTable 1 - Operating Weights Step 2 - Plan for Sequence of Unit InstallationCurb-mounted installation Pad-mounted installationFig. 3 - Roof Curb Details 548J*14DC10365 Step 5 - Field Fabricate Ductwork For Units with Accessory Electric HeatersStep 6 - Rig and Place Unit Fig. 4 - Unit Leveling TolerancesStep 8 - Install Outside Air Hood Step 7 - Convert to Horizontal and Connect Ductwork when requiredFig. 6 - Retrofit Installation Dimensions Economizer Hood Removal and Setup Factory OptionTwo Position Damper Hood Removal and Setup - Factory Option Fig. 9 - Economizer WiringFig. 10 - Damper Assembly 548J*14DFig. 11 - Indoor Coil Access Panel Relocation Step 9 - Install External Condensate Trap and LineFig. 13 - Economizer Filter Installation Economizer Hood and Two-Position HoodStep 10 - Make Electrical Connections Field Power SupplyFig. 15 - Condensate Drain Piping Details Fig. 16 - Conduit into Factory Option DisconnectFig. 19 - Mounting Position for Field Disconnects over 100A Fig. 21 - Disconnect Switch and Unit All UnitsFig. 20 - Mounting Position for Field Disconnects up to 100A 548J*14DUnits with Factory-Installed Disconnect Units Without Factory-Installed DisconnectFig. 22 - Power Wiring Connections Convenience Outlets ELECTRICAL OPERATION HAZARDFig. 25 - Weatherproof Cover Installation Fig. 24 - Unit Powered Convenience Outlet Wiring548J*14D ELECTRICAL OPERATION HAZARDFactory-Option Thru-Base Connections Field Control WiringThermostat Fig. 26 - Thru-Base Connection FittingsFig. 28 - Thermostat Wire Routing Heat Anticipator SettingsElectric Heaters Unit without Thru-Base Connection KitSingle Point Boxes Fig. 30 - Typical Single Point InstallationFig. 29 - Typical Component Location Heater and Supplementary FusesFig. 32 - Outside and Return Air Enthalpy Sensor Wiring Fig. 31 - Accessory Electric Heater Control ConnectionsOutdoor Air Enthalpy Control PNO 33CSENTHSW Return Air Enthalpy SensorFig. 33 - RTU-MP Multi-Protocol Control Board RTU-MP Control SystemFig. 34 - 548J*14D Control Box Component Locations 548J*14DFig. 35 - RTU-MP System Control Wiring Diagram 548J*14DC10322 Table 2 - RTU-MP Controller Inputs and Outputs Supply Air Temperature SAT SensorCONFIGURABLE INPUTS 548J*14DSpace Temperature SPT Sensors Outdoor Air Temperature OAT SensorFig. 37 - T-55 Space Temperature Sensor Wiring Field Connections33ZCSENCO2 - Typical Wiring Diagram Fig. 41 - Space Temperature Sensor Typical Wiring 33ZCT59SPTFig. 40 - RTU-MP T-56 Sensor Connections Indoor Air Quality CO2 sensorFig. 43 - RTU-MP / Indoor CO2 Sensor Connecting Discrete Inputs33ZCSENCO2 Connections Outdoor Air Quality Sensor PNO 33ZCSENCO2 plusFig. 46 - RTU-MP Power Exhaust Connections Communication Wiring - ProtocolsLocal Access RTU-MP TroubleshootingTable 3 - LEDs Fig. 48 - BACview 6 Handheld ConnectionsThe LEDs on the RTU-MP show the status of certain functions 548J*14DSmoke Detectors Fig. 49 - Controller AssemblySystem ControllerSupply Air Smoke Detector LocationsFig. 51 - Typical Supply Air Smoke Detector Sensor Location Return Air without EconomizerFig. 53 - Return Air Detector Shipping Position Completing Installation of Return Air Smoke SensorFig. 54 - Return Air Sensor Operating Position Additional Application Data548J*14D Table 4 - Unit Wire/Fuse or HACR Breaker Sizing DataNOTE See page 32 for table legend and notes HIGHTable 4 - Unit Wire/Fuse or HACR Breaker Sizing Data cont 548J*14DHIGH Fig. 55 - EconoMi$ert IV Wiring Step 11 - Adjust Factory-Installed OptionsEconoMi$er IV Occupancy Switch Legend and Notes for TableStep 12 - Install Accessories Pre-Start and Start-Up548J*14D 548J*14D 548J*14D Catalog No. II548J---07 548J*14DEdition Date 01/11 Replaces II548J