Bryant 607C-A Large Chassis, Horizontal Return Duct Cover Panel and Hood Divider Removal

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607C-- -- A

Large Chassis

To install the Vertical Economizer on the large chassis perform the following procedure:

1. Turn off unit power supply and install lockout tag.

!WARNING

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury or death.

Before installing or servicing system, always turn off main power to system and install lockout tag. There may be more than one disconnect switch. Turn off accessory heater power switch if applicable.

2.Remove economizer hood top panel from the return side of the unit. See Fig. 30. Keep screws and panel next to the unit.

3.Remove red shipping tape that attaches the outside air temperature (OAT) sensor to the economizer assembly and place sensor next to the unit.

4.Remove horizontal return duct cover panel and cut the wire ties that hold the hood divider to the economizer assembly. Slide hood divider off from the two slots holding it in place and place next to the unit. See Fig. 31.

5.Replace horizontal return duct cover panel. Screw in place ensuring all seams are air and watertight.

6.Open economizer hood package found on the top skid. Mount OAT sensor to its assigned bracket by screwing together with provided two #8 fasteners. Afterwards install OAT sensor to the right side hood panel with the provided #10 screws. See Fig. 32.

7.Install the 2 angle filter brackets to the right and left hood side panels respectively with the #10 screws provided. See Fig. 33.

8.Assemble hood according to Fig. 34 screwing together with provided #10 sheet metal screws.

9.Install assembled hood over the economizer opening in the replacement return chamber panel. See Fig. 35. Screw in place through pre-punched holes. Make sure all seams are air and watertight.

NOTE: The two wires that connect to the outside air temperature sensor (OAT) should remain accessible.

10.Connect the outside air temperature sensor (OAT) to the economizer per wiring diagram.

Filter Access

Panel

Hoop Top

Panel

OAT Sensor

A09696

Fig. 30 - Economizer Hood Top Panel Removal

Hood Divider (Removed)

Horizontal

Return Duct

Cover Panel

Hood

Divider

A09697

Fig. 31 - Horizontal Return Duct Cover Panel and Hood Divider Removal

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Contents Table of Contents Safety ConsiderationsCheck Equipment Receiving and InstallationIntroduction Provide Unit Support607--A24-30 Unit Dimensions 607--A36-60 Unit Dimensions SMALL/COMMON Curb Rigging/Lifting of Unit See Fig Rig and Place UnitInspection Unit Falling HazardSelect and Install Ductwork Personal Injury and Electrical Operation HazardHigh-Voltage Connections Install Electrical ConnectionsProvide for Condensate Disposal Unit Component Damage HazardStandard Connections Accessory Electric Heaters InstallationSpecial Procedures for 208-V Operation Transformer ProtectionCondensate Trap Physical Data Unit 607--A Minimum Airflow for Reliable Electric Heater Operation CFMConnection Wiring Schematics 208/230-1-60 Cont. Ladder Wiring Schematics 208/230-1-60 607C a Cont. Ladder Wiring Schematics 208/230-3-60 Connection Wiring Diagram Cont. Ladder Wiring Diagram Check for Refrigerant Leaks Start-Up AdjustmentsSTART-UP Checking Cooling and Heating Control OperationTwo Cooling Fan Speeds Set-up Dehumidification feature used Checking and Adjusting Refrigerant ChargeIndoor Airflow and Airflow Adjustments Unit Operation HazardContinuous Fan Operation Single Speed Cooling With Higher Electric Heat SpeedColor Coding for Indoor Fan Motor Leads Quiet Shift Defrost ControlDefrost Indoor Blower and Motor MaintenanceAir Filter Personal Injury and Unit Damage Hazard607--A Wet Coil Pressure Drop in. W.C Filter Pressure Drop Table in. W.COutdoor Coil, Indoor Coil, and Condensate Drain Pan Cooling Charging Table-SubcoolingRefrigerant Circuit Electrical Controls and WiringOutdoor Fan Indoor AirflowHigh-Pressure Switch Pressure SwitchesLoss of Charge Switch Copeland Scroll Compressor Puron RefrigerantSTART-UP Checklist TroubleshootingSystem Information Puronr R-410A Quick Reference Guide Troubleshooting Chart Symptom Cause RemedyPreliminary Information Model no TemperaturesRemove and Store in Job Files III. START-UP Electrical Supply Voltage Compressor AmpsInstallation Vertical Economizer Factory Installed Option GeneralAccessories Small ChassisEconomizer Hood Top Panel Removal Filter Part NumberHood Divider Removed Economizer Hood Assembly Large Chassis Horizontal Return Duct Cover Panel and Hood Divider RemovalLeft Hood Side Hood Assembly Supply AIR Temperature SAT SENSOR-The supply ConfigurationEconomizer Standard Sensors 11.7C 12.8C 14.4C 17.2C 20C 22.8C 25.6C Economizer Controller 607C-- -- a Economizer Wiring Diagram A10200 Cont. Ladder Wiring Diagram A10199 607C-- -- a 607C-- -- a CO2 Sensor Standard Settings Economizer Input/Output Logic CO2 Sensor Standard SettingsOperation Troubleshooting 607C--A 30 3 Phase with Economizer 607C--A 36-60 3 Phase with Economizer