Bryant 604D--A Large Chassis, Horizontal Return Duct Cover Panel and Hood Divider Removal

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604D-- -- 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. 29. 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. 30.

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. 31.

7.Install the 2 angle filter brackets to the right and left hood side panels respectively with the #10 screws provided. See Fig. 32.

8.Assemble hood according to Fig. 33 screwing together with provided #10 sheet metal screws.

9.Install assembled hood over the economizer opening in the replacement return chamber panel. See Fig. 34. 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. 29 - Economizer Hood Top Panel Removal

Hood Divider (Removed)

Horizontal

Return Duct

Cover Panel

Hood

Divider

A09697

Fig. 30 - Horizontal Return Duct Cover Panel and Hood Divider Removal

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Contents Table of Contents Safety ConsiderationsReceiving and Installation IntroductionCheck Equipment Provide Unit SupportRig and Place Unit Unit Falling HazardProperty Damage Hazard 604D--A24-36 Unit Dimensions 604D--A42-60 Unit Dimensions Size CPRFCURB010A00CPRFCURB012A00 CPRFCURB013A00Select and Install Ductwork Corner Weights Small Cabinet Corner Weights Large CabinetRigging/Lifting of Unit See Fig Supply and Return Duct Openings Personal Injury and Electrical Operation HazardInstall Electrical Connections Provide for Condensate DisposalHigh-Voltage Connections Unit Component Damage HazardSpecial Procedures for 208-V Operation Accessory Electric Heaters InstallationControl Voltage Connections Standard ConnectionsPhysical Data Unit 604D--A Minimum Airflow for Reliable Electric Heater Operation CFM604D a Cont. Ladder Wiring Schematics 208/230-1-60 Connection Wiring Schematics 208/230-3-60 Cont. Ladder Wiring Schematics 208/230-3-60 Connection Wiring Diagram Cont. Ladder Wiring Diagram Start-Up Adjustments START-UPCheck for Refrigerant Leaks Checking Cooling and Heating Control OperationChecking and Adjusting Refrigerant Charge Indoor Airflow and Airflow Adjustments604D--A Sequence of Operation Unit Operation HazardTwo Cooling Fan Speeds Set-up Dehumidification feature used Single Speed Cooling With Higher Electric Heat SpeedContinuous Fan Operation Color Coding for Indoor Fan Motor LeadsTypical Heat Pump Operation, Cooling Mode Maintenance Defrost ControlAir Filter Outdoor Coil, Indoor Coil, and Condensate Drain Pan Outdoor FanA24-60 Series a 604D--A Wet Coil Pressure Drop IN. W.CFilter Pressure Drop Table IN. W.C Cooling Charging Table-Subcooling Electrical Controls and Wiring Refrigerant CircuitPressure Switches Loss of Charge SwitchHigh-Pressure Switch Copeland Scroll Compressor Puron RefrigerantTroubleshooting START-UP ChecklistSystem Information Puronr R-410A Quick Reference Guide Troubleshooting Chart Symptom Cause RemedyTemperatures Remove and Store in Job FilesPreliminary Information Model no III. START-UP Electrical Supply Voltage Compressor AmpsVertical Economizer Factory Installed Option General AccessoriesInstallation Small ChassisFilter Part Number Part NumberHood Divider Removed Economizer Hood Assembly Large Chassis Horizontal Return Duct Cover Panel and Hood Divider RemovalLeft Hood Side Hood Assembly Configuration Supply AIR Temperature SAT SENSOR-The supplyTemperature Economizer Standard Sensors11.7C 12.8C 14.4C 17.2C 20C 22.8C 25.6C Economizer Controller 604D-- -- a Economizer Wiring Diagram A10200 Cont. Ladder Wiring Diagram A10199 604D-- -- a 604D-- -- a CO2 Sensor Standard Settings CO2 Sensor Standard Settings Economizer Input/Output LogicOperation Troubleshooting 604D--A 30-36 3 Phase with Economizer 604D--A 42-60 3 Phase with Economizer

604D--A specifications

The Bryant 604D--A is a remarkable heating and cooling unit designed for both efficiency and performance, making it an ideal choice for homeowners seeking optimal climate control solutions. Its impressive array of features, technologies, and characteristics sets it apart in the HVAC market.

One of the standout features of the Bryant 604D--A is its advanced two-stage cooling system. This design allows the unit to adjust its cooling output based on the current temperature and humidity levels, which ensures a comfortable indoor environment while optimizing energy consumption. This two-stage operation is particularly beneficial during transitional seasons when temperatures fluctuate, providing a quieter operation and increased efficiency.

The Bryant 604D--A incorporates high-efficiency compressor technology that maximizes cooling capability while minimizing energy usage. This energy-efficient operation is further enhanced by its excellent SEER (Seasonal Energy Efficiency Ratio) rating. By achieving a high SEER rating, the 604D--A not only promotes energy savings but also contributes to lower utility bills, making it an economically sound investment for homeowners.

Another key characteristic of the Bryant 604D--A is its durable construction. Built with quality materials, this unit is designed to withstand varying weather conditions, ensuring longevity and reliable performance over the years. Its robust design also minimizes vibrations and noise, making it a quieter option compared to many competing systems.

Smart technology integration is also a significant highlight of the Bryant 604D--A. It features wireless connectivity, allowing users to control their heating and cooling settings remotely through a smartphone app. This modern convenience enables homeowners to adjust their indoor climate on-the-go, enhancing user comfort and convenience.

Additionally, the Bryant 604D--A is equipped with an advanced filtration system that helps to improve indoor air quality. By capturing dust, pollen, and other particles, this filtration system ensures that the air circulating within the home remains clean and healthy.

In conclusion, the Bryant 604D--A is a high-performance HVAC unit that excels in energy efficiency, durability, and convenience. With its advanced technology, quiet operation, and user-friendly features, it stands as a premier choice for those looking to elevate their home comfort while maintaining cost-effectiveness and sustainability. Whether for new installations or as a replacement for an outdated system, the Bryant 604D--A is undoubtedly a leader in modern climate control solutions.
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