Bryant 575A Preliminary Information, Outdoor Unit, Controls, Indoor Unit, Piping

Page 15

 

 

 

 

 

 

 

START-UP CHECKLIST

 

 

 

I. PRELIMINARY INFORMATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR:

MODEL NO.

 

 

 

 

 

 

 

 

SERIAL NO.

 

 

 

 

 

INDOOR:

MODEL NO.

 

 

 

 

 

 

 

SERIAL NO.

 

 

 

 

 

ADDITIONAL ACCESSORIES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B. Pre-Start-Up

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IS THERE ANY SHIPPING DAMAGE?

 

 

 

 

(Y/N)

 

 

 

IF SO, WHERE:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WILL THIS DAMAGE PREVENT UNIT START-UP?

 

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

CHECK POWER SUPPLY. DOES IT AGREE WITH UNIT?

(Y/N)

 

 

 

HAS THE GROUND WIRE BEEN CONNECTED?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

HAS THE CIRCUIT PROTECTION BEEN SIZED AND INSTALLED PROPERLY?

(Y/N)

 

 

ARE THE POWER WIRES TO THE UNIT SIZED AND INSTALLED PROPERLY?

(Y/N)

 

 

HAVE COMPRESSOR HOLDDOWN BOLTS BEEN LOOSENED (Snubber washers are snug, but not tight)?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROLS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ARE THERMOSTAT AND INDOOR-FAN CONTROL WIRING

 

 

 

 

 

 

 

 

 

CONNECTIONS MADE AND CHECKED?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ARE ALL WIRING TERMINALS (including main power supply) TIGHT?

(Y/N)

 

 

 

 

 

 

HAS CRANKCASE HEATER BEEN ENERGIZED FOR 24 HOURS?

(Y/N)

 

 

 

 

 

INDOOR UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HAS WATER BEEN PLACED IN DRAIN PAN TO CONFIRM PROPER DRAINAGE?

(Y/N)

 

 

ARE PROPER AIR FILTERS IN PLACE?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HAVE FAN AND MOTOR PULLEYS BEEN CHECKED FOR PROPER ALIGNMENT?

(Y/N)

 

 

DO THE FAN BELTS HAVE PROPER TENSION?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

HAS CORRECT FAN ROTATION BEEN CONFIRMED?

 

(Y/N)

 

 

 

 

 

 

 

 

 

PIPING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IS LIQUID LINE SOLENOID VALVE LOCATED AT THE OUTDOOR UNIT AS RECOMMENDED?

(Y/N)

HAVE LEAK CHECKS BEEN MADE AT COMPRESSOR, OUTDOOR COIL, INDOOR COIL, TXV

(Thermostatic Expansion Valve), SOLENOID VALVES, FILTER DRIER, REVERSING VALVE, CHECK VALVE, AND

FUSIBLE PLUGS WITH A LEAK DETECTOR?

(Y/N)

 

 

 

 

 

 

 

 

 

LOCATE, REPAIR, AND REPORT ANY LEAKS.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HAVE ALL COMPRESSOR SERVICE VALVES BEEN FULLY OPENED (BACKSEATED)?

(Y/N)

 

 

HAVE LIQUID LINE SERVICE VALVE AND SUCTION LINE SERVICE VALVE BEEN OPENED?

 

(Y/N)

 

 

IS THE OIL LEVEL IN COMPRESSOR CRANKCASE INTO VIEW IN THE COMPRESSOR SIGHT GLASS?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHECK VOLTAGE IMBALANCE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LINE-TO-LINE VOLTS:

AB

 

V

AC

 

 

 

V

BC

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(AB + AC + BC)/3 = AVERAGE VOLTAGE =

 

 

 

 

V

 

 

 

 

 

 

 

 

 

MAXIMUM DEVIATION FROM AVERAGE VOLTAGE =

 

 

 

 

 

V

 

 

 

 

 

 

VOLTAGE IMBALANCE = 100 X (MAX DEVIATION)/(AVERAGE VOLTAGE) =

 

 

%

 

 

 

 

IF OVER 2% VOLTAGE IMBALANCE, DO NOT ATTEMPT TO START SYSTEM!

 

 

 

 

 

 

CALL LOCAL POWER COMPANY FOR ASSISTANCE.

 

 

 

 

 

 

 

 

 

 

 

 

 

CL-1

Image 15
Contents Installation Important Ð Read Before InstallingContents Safety ConsiderationsÐ2Ð DimensionsMounting Physical DataII. RIG and Mount the Unit RiggingIII. Complete Refrigerant Piping Connections Ð5Ð Typical Piping Diagram, 575A/524A-HAccessory Electric Heat IV. Make Electrical ConnectionsÐ6Ð Accessory Electric Heater Data Electrical DataÐ7Ð III. Refrigerant and OIL Charge Field Control WiringSTART-UP Preliminary Checks II. Evacuate and DehydrateHeating IV. Refrigerant Service PortsSequence of Operation CoolingVII. Malfunction VI. Checking Cooling and Heating Control OperationOutdoor Coil Service CleaningIII. Outdoor FAN Adjustment Fig Fan Motor BearingsIV. Compressor Removal Troubleshooting CHART, Heating Cycle Troubleshooting CHART, Cooling Cycle Indoor Unit Preliminary InformationOutdoor Unit ControlsStart-Up

575A specifications

The Bryant 575A is a prominent model in Bryant's lineup of heating, ventilation, and air conditioning (HVAC) systems, known for its reliability and efficiency. Designed with advanced technologies and innovative features, the Bryant 575A is an excellent choice for both residential and light commercial applications.

One of the standout features of the Bryant 575A is its impressive energy efficiency. With a Seasonal Energy Efficiency Ratio (SEER) rating that significantly surpasses the minimum standards, the 575A helps homeowners reduce their energy bills while maintaining optimal comfort levels. The system employs variable-speed technology, allowing for precise temperature control and enhanced humidity management. This ensures that the indoor environment remains comfortable year-round, regardless of outdoor conditions.

Incorporating advanced refrigerant management, the Bryant 575A utilizes environmentally friendly R-410A refrigerant. This refrigerant not only minimizes ozone depletion potential but also enhances the overall performance of the system, allowing for efficient heat exchange and quick temperature adjustments. The system's efficiency is further optimized by its multi-stage cooling capabilities, which allow it to adapt to varying cooling loads and maintain consistent indoor temperatures.

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In summary, the Bryant 575A embodies the blend of efficiency, reliability, and advanced technology, making it a top choice for those seeking a high-performance HVAC solution. With features designed to optimize comfort and energy use, the Bryant 575A stands out as a strong contender in the competitive HVAC market.