604D--A

LEGACYt 13 SEER SINGLE-PACKAGED HEAT PUMP SYSTEM WITH PURONR (R-410A) REFRIGERANT SINGLE AND THREE PHASE

NOMINAL 2-5 TONS (SIZES 24-60)

Installation Instructions

NOTE: Read the entire instruction manual before starting the installation.

NOTE: Installer: Make sure the Owner’s Manual and Service Instructions are left with the unit after installation.

TABLE OF CONTENTS

 

 

PAGE

SAFETY CONSIDERATIONS

. 1-2

INTRODUCTION

. . . 2

RECEIVING AND INSTALLATION

2-10

Check Equipment

. . . 2

Identify Unit

. . . 2

Inspect Shipment

. . . 2

Provide Unit Support

. . . 2

Roof Curb

. . . 2

Slab Mount

. . . 2

Provide Clearances

. . . 2

Rig and Place Unit

. . . 3

Inspection

. . . 3

Rigging/Lifting of Unit

. . . 7

Select and Install Ductwork

. . . 7

Converting Horizontal Discharge Units to Downflow

 

(Vertical) Discharge Units

. . . 8

Provide for Condensate Disposal

. . . 9

Install Electrical Connections

. . . 9

High-Voltage Connections

. . . 9

Special Procedures for 208-V Operation

. . 10

Control Voltage Connections

. . 10

Standard Connections

. . 10

Transformer Protection

. . 10

Accessory Electric Heaters Installation

. . 10

PRE-START-UP

. . 18

START-UP

18-22

Checking Cooling & Heating Control Operation

. . 18

Check for Refrigerant Leaks

. . 18

Start-Up Adjustments

. . 18

604D--A Sequence of Operation

. . 19

Checking & Adjusting Refrigerant Charge

. . 19

Indoor Airflow & Airflow Adjustments

. . 19

Continuous Fan Operation

. . 20

Defrost Control

. . 22

Quiet Shift

. . 22

Defrost

. . 22

MAINTENANCE

22-28

Air Filter

. . 22

Indoor Blower and Motor

. . 22

Outdoor Coil, Indoor Coil, & Condensate Drain Pan . . . .

. . 23

Outdoor Fan

. . 23

Electrical Controls and Wiring

. . 26

Refrigerant Circuit

. . 26

Indoor Airflow

. . 27

Metering Devices- TXV & Piston

. . 27

Pressure Switches

. . 27

Loss of Charge Switch

. . 27

High Pressure Switch

. . 27

Copeland Scroll compressor (Puron Refrigerant)

. . 27

Refrigerant System

. . 27

A09034

Fig. 1 - Unit 604D--A

Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Compressor Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Servicing Systems on Roofs with Synthetic Materials . . . . 27 Liquid Line Filter Drier . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 PuronR (R-410A) Refrigerant Charging . . . . . . . . . . . . . 28

System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Loss of Charge Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Check Defrost Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . 28 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 VERTICAL ECONOMIZER . . . . . . . . . . . . . . . . . . . . . . . 32-50 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Small Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-33 Large Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36-38 CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39-48 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

SAFETY CONSIDERATIONS

Installation and servicing of this equipment can be hazardous due to mechanical and electrical components. Only trained and qualified personnel should install, repair, or service this equipment.

Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be performed by trained service personnel. When working on this equipment, observe precautions in the literature, on tags, and on labels attached to or shipped with the unit and other safety precautions that may apply.

Follow all safety codes. Wear safety glasses, protective clothing, and work gloves. Use quenching cloth for brazing operations. Have a fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit. Consult local building codes, the current editions of the National Electrical Code (NEC) NFPA 70.

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Bryant 604D--A installation instructions Table of Contents, Safety Considerations

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.