Bryant Legacy 677C**C Series Скачать руководство пользователя страница 53

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OUTDOOR FAN

RELAY

Y OUTPUT TO PRESSURE

SWITCHES AND CONTACTOR

THERMOSTAT INPUTS

T1 - ENABLES DEFROST
TIMER.MUST BE
ENERGIZED FOR
DEFROST TIMER
TO START

C - COMMON

O - REVERSING VALVE

SPEEDUP

DEFROST THERMOSTAT

MUST BE CLOSED BEFORE

DEFROST TIMER BEGINS

A150622

Fig. 24 -- Defrost Control

C99097

Fig. 25 -- Refrigerant Circuit

677C

Содержание Legacy 677C**C Series

Страница 1: ...lower and Motor 49 Flue Gas Passageways 50 Limit Switch 50 Burner Ignition 50 Main Burners 50 Outdoor Coil Indoor Coil Condensate Drain Pan 50 A09034 Fig 1 Unit 677C C Outdoor Fan 51 Electrical Contro...

Страница 2: ...ment IDENTIFY UNIT The unit model number and serial number are stamped on the unit information plate Check this information against shipping papers INSPECT SHIPMENT Inspect for shipping damage before...

Страница 3: ...3 A150538 Fig 2 24 30 Unit Dimensions 677C C...

Страница 4: ...4 A150539 Fig 3 36 60 Unit Dimensions 677C C...

Страница 5: ...S 1 Roof curb must be set up for unit being installed 2 Seal strip must be applied as required to unit being installed 3 Roof curb is made of 16 gauge steel 4 Attach ductwork to curb flanges of duct r...

Страница 6: ...oof deck to comply with applicable fire codes Read unit rating plate for any required clearances around ductwork Cabinet return air static shall not exceed 25 IN W C Step 4 Provide Clearances The requ...

Страница 7: ...pan from overflowing See Fig 6 Prime the trap with water When using a gravel apron make sure it slopes away from the unit If the installation requires draining the condensate water away from the unit...

Страница 8: ...ll ground joint union close to heating section between unit manual shutoff and external manual main shut off valve 7 Pressure test all gas piping in accordance with local and national plumbing and gas...

Страница 9: ...or local codes and ordinances Adhere to the following criteria when selecting sizing and installing the duct system 1 Units are shipped for horizontal duct installation by removing duct covers 2 Sele...

Страница 10: ...4 x 254 1 2 800 10 x 10 254 x 254 1 2 1000 10 x 10 254 x 254 1 2 1000 10 x 10 254 x 254 1 2 1200 11 x 10 279 x 254 1 2 1200 11 x 10 279 x 254 1 2 Furnace Section Burner Orifice 1 Phase Natural Gas Qty...

Страница 11: ...24x15x1 610x406x25 1 each 24x16x1 610x406x25 24x18x1 610x457x25 Based on altitude of 0 to 2000 ft 0 610 m Required filter sizes shown are based on the larger of the AHRI Air Conditioning Heating and...

Страница 12: ...unit gas combustion supply air louvers See unit wiring label Fig 15 and 16 and Fig 9 for reference when making high voltage connections Proceed as follows to complete the high voltage connections to t...

Страница 13: ...his point the indoor supply air feels uncomfortable i e too cool This is purely subjective and will depend on the homeowner s idea of comfort Below this temperature the gas furnace should operate in o...

Страница 14: ...point thermostat closes circuits R to G R to Y and R to O The unit delivers cooling airflow c HEAT PUMP HEATING MODE Outdoor temperature above balance point setpoint of thermostat 1 On a call for heat...

Страница 15: ...ol break the 24 v power to W 5 The evaporator fan will turn on 45 sec after the flame has been established The evaporator fan will turn off 45 sec after the thermostat has been satisfied Please note t...

Страница 16: ...e in the manifold pressure is required Observe manifold pressure and proceed as follows to adjust gas input 1 Remove regulator cover screw over plastic adjustment screw on gas valve See Fig 12 2 Turn...

Страница 17: ...on When turning backwards the difference between compressor suction and discharge pressures will be near zero Checking and Adjusting Refrigerant Charge The refrigerant system is fully charged with Pur...

Страница 18: ...e current speed tap wire from the GAS HEAT terminal on the interface fan board IFB Fig 14 and place vinyl cap over the connector on the wire 3 Connect the desired speed tap wire to the GAS HEAT termin...

Страница 19: ...ed Low Speed Blue Low Speed DH DH DH DH DH DH DH DH Shunt in no dehumidification position Shunt in dehumidification position A14399 Fig 13 Single Phase IGC Board COM LOW HIGH GAS HEAT Q1 R1L C8 RL3 Q3...

Страница 20: ...28 NA NA High Black CFM 1187 1124 1061 996 930 896 840 776 698 610 BHP 0 36 0 36 0 37 0 37 0 38 0 38 0 39 0 39 0 39 0 40 Heat Rise o F 25 26 28 30 32 33 35 38 43 49 Heat Rise o C 14 15 16 17 18 18 20...

Страница 21: ...6 28 NA NA High Black CFM 1187 1124 1061 996 930 896 840 776 698 610 BHP 0 36 0 36 0 37 0 37 0 38 0 38 0 39 0 39 0 39 0 40 Heat Rise o F 25 26 28 30 32 33 35 38 43 49 Heat Rise o C 14 15 16 17 18 18 2...

Страница 22: ...30 High Black CFM 1602 1535 1469 1404 1333 1260 1246 1192 1191 1131 BHP 0 46 0 47 0 48 0 50 0 50 0 51 0 52 0 53 0 54 0 55 Heat Rise o F 28 29 31 32 34 36 36 38 38 40 Heat Rise o C 16 16 17 18 19 20 2...

Страница 23: ...24 High Black CFM 1575 1528 1488 1447 1406 1360 1314 1264 1213 1159 BHP 0 40 0 42 0 43 0 44 0 45 0 46 0 47 0 48 0 49 0 50 Heat Rise o F 28 29 30 31 32 33 34 35 37 39 Heat Rise o C 16 16 17 17 18 18 1...

Страница 24: ...25 High Black CFM 2267 2201 2133 2071 1997 1923 1835 1739 1654 1551 BHP 1 03 1 00 0 97 0 93 0 89 0 86 0 82 0 78 0 74 0 69 Heat Rise o F NA NA NA NA NA 35 37 39 41 44 Heat Rise o C NA NA NA NA NA 20 2...

Страница 25: ...36 High Black CFM 2267 2201 2133 2071 1997 1923 1835 1739 1654 1551 BHP 1 03 1 00 0 97 0 93 0 89 0 86 0 82 0 78 0 74 0 69 Heat Rise o F 42 44 45 46 48 50 52 55 58 62 Heat Rise o C 24 24 25 26 27 28 2...

Страница 26: ...41 0 42 0 43 0 45 0 45 Heat Rise o F 59 60 NA NA NA NA NA NA NA NA Heat Rise o C 33 33 NA NA NA NA NA NA NA NA Medium 2 Red CFM 1736 1710 1668 1630 1600 1557 1522 1479 1450 1406 BHP 0 53 0 54 0 55 0...

Страница 27: ...62 0 63 0 64 0 65 Heat Rise o F 55 56 57 59 60 62 63 65 NA NA Heat Rise o C 31 31 32 33 33 34 35 36 NA NA Med High 1 Orange CFM 1935 1909 1867 1836 1808 1766 1696 1619 1535 1454 BHP 0 71 0 73 0 74 0...

Страница 28: ...48 52 Heating Rise o C 18 19 20 21 22 23 25 27 29 High Black CFM 1536 1470 1405 1333 1263 1204 1239 1181 1122 Heating Rise o F 28 29 31 33 34 36 35 37 39 Heating Rise o C 16 16 17 18 19 20 19 20 21 36...

Страница 29: ...44 47 50 Heating Rise o C 18 19 19 20 22 23 24 26 28 High Black CFM 1472 1401 1326 1251 1275 1198 1139 1085 1023 Heating Rise o F 29 31 33 35 34 36 38 40 42 Heating Rise o C 16 17 18 19 19 20 21 22 2...

Страница 30: ...35 36 37 Heating Rise o C NA NA NA NA NA NA 20 20 21 High Black CFM 2344 2306 2259 2203 2141 2070 1991 1902 1803 Heating Rise o F NA NA NA NA NA NA NA 35 37 Heating Rise o C NA NA NA NA NA NA NA 20 2...

Страница 31: ...50 51 53 Heating Rise o C 25 25 26 26 27 27 28 28 29 High Black CFM 2344 2306 2259 2203 2141 2070 1991 1902 1803 Heating Rise o F 41 41 42 43 44 46 48 50 53 Heating Rise o C 23 23 23 24 25 26 27 28 2...

Страница 32: ...o F 19 36 o C Low Blue CFM 1445 1389 1341 1281 1236 1189 1139 1072 1027 Heating Rise o F NA NA NA NA NA NA NA NA NA Heating Rise o C NA NA NA NA NA NA NA NA NA Med Low Pink CFM 1678 1635 1602 1558 151...

Страница 33: ...NA NA NA NA NA NA NA Heating Rise o C 24 27 29 NA NA NA NA NA NA NA Medium 2 Red CFM 1222 1236 1195 1148 1101 1052 1004 957 916 868 WATTS 233 221 232 244 251 264 275 285 291 304 BHP 0 25 0 24 0 25 0...

Страница 34: ...NA NA NA NA NA NA NA Heating Rise o C NA NA NA NA NA NA NA NA NA NA Medium 2 Red CFM 1222 1236 1195 1148 1101 1052 1004 957 916 868 WATTS 256 270 283 289 301 313 320 331 343 349 BHP 0 27 0 29 0 30 0 3...

Страница 35: ...F 43 46 49 53 NA NA NA NA NA NA Heating Rise o C 24 26 27 29 NA NA NA NA NA NA Medium Red CFM 1255 1210 1145 1074 1008 940 878 895 838 785 WATTS 249 272 284 292 305 319 320 329 336 347 BHP 0 27 0 29 0...

Страница 36: ...NA NA NA NA NA NA NA NA NA NA Heating Rise o C NA NA NA NA NA NA NA NA NA NA Medium 1 Red CFM 1255 1210 1145 1074 1008 940 878 895 838 785 WATTS 249 272 284 292 305 319 320 329 336 347 BHP 0 27 0 29 0...

Страница 37: ...o F 43 44 46 47 48 50 51 53 55 57 Heating Rise o C 24 25 25 26 27 28 29 30 30 32 Medium 2 Red CFM 1861 1822 1786 1758 1716 1688 1660 1619 1583 1539 WATTS 400 417 426 441 452 467 482 492 507 519 BHP 0...

Страница 38: ...F 55 56 58 59 NA NA NA NA NA NA Heating Rise o C 30 31 32 33 NA NA NA NA NA NA Medium 2 Red CFM 1861 1822 1786 1758 1716 1688 1660 1619 1583 1539 WATTS 400 417 426 441 452 467 482 492 507 519 BHP 0 4...

Страница 39: ...F 61 63 65 NA NA NA NA NA NA NA Heating Rise o C 34 35 36 NA NA NA NA NA NA NA Medium 2 Red CFM 1861 1822 1786 1758 1716 1688 1660 1619 1583 1539 WATTS 400 417 426 441 452 467 482 492 507 519 BHP 0 4...

Страница 40: ...e o F 36 37 38 39 40 41 41 42 44 45 Heating Rise o C 20 21 21 22 22 23 23 24 24 25 Medium 2 Red CFM 1944 1913 1872 1838 1801 1771 1731 1698 1655 1613 WATTS 486 501 511 529 537 554 565 578 595 603 BHP...

Страница 41: ...o F 46 47 48 49 50 52 53 54 56 58 Heating Rise o C 26 26 27 27 28 29 29 30 31 32 Medium 2 Red CFM 1944 1913 1872 1838 1801 1771 1731 1698 1655 1613 WATTS 486 501 511 529 537 554 565 578 595 603 BHP 0...

Страница 42: ...57 0 58 0 59 0 61 0 62 0 64 0 65 Heating Rise o F 49 50 51 52 53 54 55 56 58 59 Heating Rise o C 27 28 28 29 29 30 31 31 32 33 Med High 1 Orange CFM 2178 2148 2105 2073 2036 2002 1967 1919 1845 1751...

Страница 43: ...00 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 24 0 03 0 04 0 04 0 05 0 06 30 0 05 0 06 0 07 0 08 0 11 36 0 06 0 06 0 09 0 10 0 11 0 14 42 0 05 0 05 0 06 0 07 0 08 0 08 0 09 0 09 0 11 48 0...

Страница 44: ...44 A150506 Fig 15 208 230 1 60 Connection Wiring Diagram 677C C...

Страница 45: ...45 A150516 Fig 15 Cont 208 230 1 60 Ladder Wiring Diagram 677C C...

Страница 46: ...46 A150507 Fig 16 208 230 3 60 Connection Wiring Diagram 677C C...

Страница 47: ...47 A150517 Fig 16 Cont 208 230 3 60 Ladder Wiring Diagram 677C C...

Страница 48: ...under these conditions using the superheat method Weigh in method should be used A150625 To properly check or adjust charge conditions must be favorable for subcooling charging Favorable conditions e...

Страница 49: ...pect heating section before each heating season Clean and adjust when necessary 6 Check flue hood and remove any obstructions if necessary Air Filter IMPORTANT Never operate the unit without a suitabl...

Страница 50: ...tation If lockout occurs unit may be reset by either momentarily interrupting power supply to unit or by turning selector switch to OFF position at the thermostat Main Burners At the beginning of each...

Страница 51: ...hen the electrical power to the unit Remove access panels see Fig 19 to locate all the electrical controls and wiring Check all electrical connections for tightness Tighten all screw connections If an...

Страница 52: ...the liquid line and protects against low suction pressures caused by such events as loss of charge low airflow across indoor coil dirty filters etc It opens on a pressure drop at about 20 psig If syst...

Страница 53: ...TOR THERMOSTAT INPUTS T1 ENABLES DEFROST TIMER MUST BE ENERGIZED FOR DEFROST TIMER TO START C COMMON O REVERSING VALVE SPEEDUP DEFROST THERMOSTAT MUST BE CLOSED BEFORE DEFROST TIMER BEGINS A150622 Fig...

Страница 54: ...NDOOR COIL LCS LEGEND HPS High Pressure Switch LCS Loss of Charge Switch Accurater Metering Device Arrow indicates direction of flow TXV in Metering Position Bypass Position HPS C03011 Fig 26 Typical...

Страница 55: ...ing to occur in one year or more When performing any service that may risk exposure of compressor oil to the roof take appropriate precautions to protect roofing Procedures which risk oil leakage incl...

Страница 56: ...old sets should be minimum 700 psig high side and 180 psig low side with 550 psig low side retard S Use hoses with minimum 700 psig service pressure rating S Leak detectors should be designed to detec...

Страница 57: ...restriction and remove Compressor operates continuously Dirty air filter Replace filter Unit undersized for load Decrease load or increase unit size Thermostat set too low Reset thermostat Low refrig...

Страница 58: ...ise is in accordance with the range on the unit nameplate Clean or replace filters Flame sense fault LED 3 flashes The IGC sensed flame that should not be present Reset unit If problem persists replac...

Страница 59: ...N IS LEVEL CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING ORIFICE AND SETSCREW TIGHTNESS III START UP ELECTRICAL SUPPLY VOLTAGE COMPRESSOR AMPS INDOOR EVAPORATOR FAN AMPS TEMPERATURES OUTDOOR C...

Страница 60: ...ntinue or change at any time specifications or designs without notice and without incurring obligations E2015 Bryant Heating Cooling Systems D 7310 W Morris St D Indianapolis IN 46231 Edition Date 12...

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