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Bryant EVOLUTION 577D----A, Installation Instructions Manual

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Bryant EVOLUTION 577D----A Installation Instructions Manual Download Page 36

36

CARE AND MAINTENANCE

For continuing high performance and to minimize possible
equipment failure, periodic maintenance must be performed on this

equipment.
Frequency of maintenance may vary depending upon geographic

areas, such as coastal applications. See Users Manual for

information.

577D

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--

A

Summary of Contents for EVOLUTION 577D----A

Page 1: ...2 High Voltage Connections 12 Routing Power Leads Into Unit 12 Connecting Ground Lead to Ground Screw 12 Routing Control Power Wires 13 Accessory Installation 13 Special Procedures for 208 v Operation...

Page 2: ...rooftop or on cement slab See Fig 4 for roof curb dimensions Standard units can be converted to downflow vertical discharge configurations for rooftop applications Models with an N in the thirteenth...

Page 3: ...in 1219 mm above the unit top The maximum horizontal extension of a partial overhang must not exceed 48 in 1219 mm IMPORTANT Do not restrict outdoor airflow An air restriction at either the outdoor ai...

Page 4: ...sepan units G H C B A F D E G H A09414 UNIT SIZE CATALOG NUMBER A IN mm B small common base IN mm B large base IN mm C IN mm D IN mm E IN mm F IN mm G IN mm H IN mm Small or Large CPRFCURB010A00 11 27...

Page 5: ...5 A09556 Fig 5 577D A24 30 Unit Dimensions 577D A...

Page 6: ...6 A09557 Fig 6 577D A36 60 Unit Dimensions 577D A...

Page 7: ...Face Area sq ft 3 17 3 7 3 17 3 7 3 17 3 7 3 17 3 7 3 17 4 7 3 17 4 7 3 17 4 7 3 17 4 7 INDOOR FAN Nominal Airflow Cfm Comfort Variable based on Comfort Roll back see User Interface instructions for...

Page 8: ...1750 Max 1600 1600 1600 2000 2000 2000 Furnace gas ht airflow Low Stage 815 1215 1255 845 1215 1255 Furnace gas ht airflow High Stage 1385 1885 1875 1300 1910 1920 Size in mm 11x10 279x254 11x10 279x...

Page 9: ...shackles clevis pins and straps to the base rails of the unit Be sure materials are rated to hold the weight of the unit See Fig 7 3 Attach a clevis of sufficient strength in the middle of the straps...

Page 10: ...unit from factory Insure openings are air and watertight The design and installation of the duct system must be in accordance with the standards of the NFPA for installation of nonresidence type air c...

Page 11: ...1 2 in FPT gas inlet on the unit gas valve For natural gas applications the gas pressure at unit gas connection must not be less than 4 0 IN W C or greater than 13 IN W C while the unit is operating F...

Page 12: ...or within sight from the unit Refer to the unit rating plate NEC and local codes for maximum fuse circuit breaker size and minimum circuit amps ampacity for wire sizing The field supplied disconnect...

Page 13: ...door Air Temperature Sensor OAT EQUIPMENT OPERATION HAZARD The installation of an outdoor air temperature sensor OAT using the Evolution control board OAT terminals is required Many Evolution features...

Page 14: ...GROUND SCREW IN SPLICE BOX YEL BLK GROUND LEAD SINGLE PHASE CONNECTIONS TO DISCONNECT PER NEC LEGEND NEC National Electrical Code Field Wiring Splice Connections NOTE Use copper wire only L1 L2 A06299...

Page 15: ...15 FURNACE BOARD HP AC BOARD A09108 Fig 13 Control Plate A06357 Fig 14 Control Voltage Wiring Connections 577D A...

Page 16: ...llow 5 minutes to elapse then light unit b Make sure that condenser fan blade is correctly positioned in fan orifice Top 1 3 of condenser fan blade should be within fan orifice venturi c Ensure fan hu...

Page 17: ...laced 4 Passing all of the tests motor control module alone can be replaced MOTOR TURNS SLOWLY 1 Low static pressure loading of blower while access panel is removed will cause blower to run slowly Par...

Page 18: ...18 A10217C Fig 16 Connection Wiring Schematic 577D A Single Phase Gas Inputs 040 060 090 kBtu hr 577D A...

Page 19: ...19 A10217L Fig 16 Cont Ladder Wiring Schematic 577D A Single Phase Gas Inputs 040 060 090 kBtu hr 577D A...

Page 20: ...20 A10219C Fig 17 Connection Wiring Schematic 577D A Single Phase Gas Inputs 115 130 kBtu hr 577D A...

Page 21: ...21 A10219L Fig 17 Cont Ladder Wiring Schematic 577D A Single Phase Gas Inputs 115 130 kBtu hr 577D A...

Page 22: ...onger than 3 minutes code changes to lockout 13 If open less than 3 minutes status code 33 continues to flash until blower shuts off Check for loose blower wheel restricted vent excessive wind dirty f...

Page 23: ...EQUENCE OF OPERATION COOLING OPERATION With a call for first stage cooling the outdoor fan and low stage compressor are energized If low stage cannot satisfy cooling demand high stage cooling is energ...

Page 24: ...d has failed Control board needs to be replaced Brown Out 230 v 46 Line voltage 187v for at least 4 seconds Compressor and fan operation not allowed until voltage 190v Verify line voltage No 230v at U...

Page 25: ...ils to remain closed the inducer will remain running After the pressure switch re closes the Evolution ignition control will begin a 15 second pre purge period 2 Trial For Ignition Sequence The spark...

Page 26: ...d local codes or contact your distributor to determine the required orifice size 2 Adjust manifold pressure to obtain low stage input rate See Fig 19 a Turn off gas supply to unit b Remove pipe plug o...

Page 27: ...result of step f by Btu heating value of the gas to obtain total measured input shown in Table 6 Consult the local gas supplier if the heating value of gas is not known EXAMPLE Assume a 90 000 high s...

Page 28: ...m problem in the case of a gas component failure To initiate the component test procedure ensure that there are no UI inputs to the control the ABCD connector can be removed from the Evolution control...

Page 29: ...the Refrigeration Service Techniques Manual Refrigerants Section NO CHARGE Check for leak Use standard evacuating techniques After evacuating system weigh in the specified amount of refrigerant refer...

Page 30: ...30 A06360 Fig 22 Non Communicating Emergency Cooling Heating Wiring Connections A09109 Fig 23 Cooling Charging Table Subcooling 577D A...

Page 31: ...ructions Air Filter IMPORTANT Never operate the unit without a suitable air filter in the return air duct system Always replace the filter with the same dimensional size and type as originally install...

Page 32: ...ergent and water solution Rinse coils with clear water using a garden hose Be careful not to splash water on motors insulation wiring or air filter s For best results spray condenser coil fins from in...

Page 33: ...switches are attached to refrigeration system under pressure it is not advisable to remove this device for troubleshooting unless you are reasonably certain that a problem exists If switch must be re...

Page 34: ...ols the following functions Indoor blower operation Gas valve Inducer motor Remote sparker module Pressure switch monitoring gas SYSTEMS COMMUNICATION FAILURE If communication with the Evolution Contr...

Page 35: ...insure thermistor is mounted properly Outdoor air thermistor OAT is field mounted and connected Verify that the OAT has been properly installed 0 10 20 30 40 50 60 70 80 90 0 20 40 60 80 100 120 TEMPE...

Page 36: ...erformance and to minimize possible equipment failure periodic maintenance must be performed on this equipment Frequency of maintenance may vary depending upon geographic areas such as coastal applica...

Page 37: ...550 psig low side retard S Use hoses with minimum 700 psig service pressure rating S Leak detectors should be designed to detect HFC refrigerant S Puron as with other HFCs is only compatible with POE...

Page 38: ...operates continuously Dirty air filter Replace filter Unit undersized for load Decrease load or increase unit size UI temperature set too low Reset UI setting Low refrigerant charge Locate leak repair...

Page 39: ...t 2 Check gas valve Inducer pressure switch not closing 1 Check pressure switch wires connections and tubing Repair or replace if necessary Inadequate heating Dirty air filter Clean or replace filter...

Page 40: ...UP ELECTRICAL SUPPLY VOLTAGE COMPRESSOR AMPS INDOOR EVAPORATOR FAN AMPS TEMPERATURES OUTDOOR CONDENSER AIR TEMPERATURE DB RETURN AIR TEMPERATURE DB WB COOLING SUPPLY AIR DB WB GAS HEAT SUPPLY AIR PRES...

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