Bryant 664B installation instructions Typical Heat Pump Operation, Heating Mode

Page 20

OUTDOOR COIL

INDOOR COIL

664B

ACCUMULATOR

A

COMPRESSOR

Check Valves

AOpen

BClosed

COpen

DClosed

LEGEND

LCS Loss of Charge Switch

Acutrol Metering Device

Check Valve (Arrow indicates direction of flow)

HEATING CYCLE

B

LCS

STRAINER

D

STRAINER

C

1.

Hot gas from compressor flows through the 4-way valve and is

3.

Each circuit evaporates the refrigerant and the circuits are com-

 

directed to the cooling liquid line check valve. It is then condensed

 

bined in the outdoor header with some of the circuits flowing through

 

and directed through subcooling circuits and out to the strainer

 

the check valve.

 

and the check valve in the heating liquid line.

4.

The refrigerant then flows through the 4-way valve, accumulator,

2.

The refrigerant then feeds the outdoor coil through the Acutrol

 

and back to the compressor.

 

metering device on each circuit.

 

 

 

 

 

 

 

 

 

 

 

Fig. 20 - Typical Heat Pump Operation, Heating Mode

 

OUTDOOR COIL

 

 

 

 

 

 

 

INDOOR COIL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C95045

ACCUMULATOR

A

COMPRESSOR

Check Valves

AClosed

BOpen

CClosed

DOpen

LEGEND

LCS Loss of Charge Switch

Acutrol Metering Device

Check Valve (Arrow indicates direction of flow)

COOLING CYCLE

B

LCS

STRAINER

D

STRAINER

C

1.

Hot gas from compressor flows through the 4-way valve and is

3.

Each circuit evaporates the refrigerant and the circuits are com-

 

directed to the heating liquid line check valve. It is then con-

 

bined in the indoor coil header with some of the circuits flowing

 

densed and subcooled through converging circuits. Refrigerant leaves

 

through the check valve.

 

the outdoor coil by way of the strainer and the check valve in the

4.

The refrigerant then flows through the 4-way valve, accumulator,

 

cooling liquid line.

 

and back to the compressor.

2.

The refrigerant then feeds the indoor coil through the Acutrol

 

 

 

metering device on each circuit.

 

 

Fig. 21 - Typical Heat Pump Operation, Cooling Mode

C95044

20

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Contents Installation Instructions Table of ContentsIntroduction Safety ConsiderationsReceiving and Installation Unit Damage Hazard Configuring Units for Downflow Vertical DischargeConnect Condensate Drain Unit Base Dimensions, 664B024-060 Typical Installation Unit Component Damage Hazard Install Electrical ConnectionsMinimum Airflow for Safe Electric Heater Operation PRE-START-UP FIRE, EXPLOSION, Electrical Shock HazardStart-Up Cooling and Make Adjust- ments START-UPCheck for Refrigerant Leaks Refrigerant ChargeFor 208/230V Blower Motors Indoor Airflow and Airflow Adjust- mentsRequired Subcooling Sequence of Operation Unit ControlsCompressor Rotation Typical Single-Phase Unit Electrical Diagram Sizes A06405 Typical Three-Phase Unit Electrical Diagram Sizes A06326 Single-Phase Accessory Electric Heater Wiring Volt Horizontal Discharge Unit Maintenance Cooling Charging ChartAir Filter Unit Top RemovalAccessory Electric Heat Pressure Drop in. wc Indoor Blower and MotorWet Coil Pressure Drop Filter Pressure Drop in. wcTroubleshooting START-UP ChecklistTypical Heat Pump Operation, Heating Mode Troubleshooting Chart Symptom Cause RemedySTART-UP Checklist Remove and Store in JOB File Preliminary InformationII. PRE-START-UP III. START-UP

664B specifications

The Bryant 664B is a notable addition to the furnace market, recognized for its reliable performance and energy efficiency. Designed for residential applications, this model is particularly well-suited for homeowners looking to improve their heating systems without sacrificing comfort or efficiency.

One of the standout features of the Bryant 664B is its variable-speed blower motor. This technology allows the furnace to adjust its airflow based on the heating demands of the home, resulting in more consistent temperatures and reduced energy usage. By operating at different speeds, the furnace can provide quieter operation, ensuring that homeowners can enjoy a peaceful environment while the system works effectively.

Energy efficiency is a key characteristic of the Bryant 664B, boasting an Annual Fuel Utilization Efficiency (AFUE) rating of up to 80%. This rating indicates that the furnace converts 80% of the fuel it consumes into usable heat, making it a cost-effective choice for homeowners looking to lower their utility bills. The unit's efficient performance not only benefits the household budget but also contributes to a reduced carbon footprint, aligning with modern environmental expectations.

In terms of construction, the Bryant 664B features a robust cabinet that ensures durability and helps to minimize operational noise. Its compact design allows for easy installation in various home configurations, making it a versatile option for many homeowners. The furnace is equipped with advanced diagnostic capabilities, enabling easier troubleshooting and maintenance, thus reducing the potential for costly repairs.

Another noteworthy aspect of the Bryant 664B is its compatibility with smart home technology. Homeowners can integrate the furnace with their existing smart systems, providing enhanced control over their home’s heating environment. This integration allows for remote monitoring and adjustments, ensuring optimal comfort tailored to individual needs.

The Bryant 664B also includes a dependable warranty, providing added peace of mind for homeowners. This warranty underscores the manufacturer’s commitment to quality and customer satisfaction.

Overall, the Bryant 664B is an efficient, reliable, and technologically advanced heating solution. Its combination of variable-speed technology, energy efficiency, solid construction, and integration with smart home systems makes it a compelling option for anyone in need of a modern furnace. Its focus on comfort and performance solidifies its place in the competitive HVAC market.
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