Manuals / Bryant / Household Appliance / Air Conditioner

Bryant 551C 551B,C, Power Wiring Connections, Field Control Wiring Raceway, Terminal Block

Models: 551B

1 61

Page 11

	208/230-3-60
208/230-1-60	460-3-60
208/230-1-60	(SIZES 060 AND 072)

575-3-60

(SIZES 060 AND 072)

208/230-3-60

(SIZES 036 AND 048)

LEGEND

C— Contactor COMP — Compressor

IFC	— Indoor (Evaporator) Fan Contactor
NEC	— National Electrical Code
TB	— Terminal Block

551B,C

575-3-60

(SIZES 036 AND 048)

460-3-60

(SIZES 036 AND 048)

C06158

Fig. 11 ---Power Wiring Connections

LOW VOLTAGE

INTEGRATED GAS UNIT

CONNECTIONS

CONTROLLER (IGC)

C06125

Fig. 12 ---Field Control Wiring Raceway

Page 11

Image 11

Bryant 551C 551B,C, Power Wiring Connections, Field Control Wiring Raceway, Indoor Evaporator Fan Contactor, C06158

Contents

Installation Instructions TABLE OF CONTENTSSAFETY CONSIDERATIONS INSTALLATIONStep 4 -Rigand Place Unit Step 3 -InstallExternal Trap for Condensate DrainStep 1 -ProvideUnit Support Step 2 -FieldFabricate Ductwork551C 551B,CFig. 2 --- Roof Curb Details 551BFig. 4 --- Condensate Drain Connection 551B,CMAXIMUM ALLOWABLE DIFFERENCE in Fig. 3 --- Unit Leveling TolerancesFig. 7 --- Roof Curb Alignment 551B,CXOB LOR TNO C 551B 036-072Base Unit Dimensions551B,C C06375COMPRESSOR Fig. 9 --- 551C 024-060Base Unit DimensionsACCESS 551B,CHeat Anticipator Settings Step 5 -MakeElectrical ConnectionsField Power Supply Field Control WiringTable 1-PhysicalData 551B 551B,CTable 2-PhysicalData 551C 551B,CIndoor Evaporator Fan Contactor Fig. 11 --- Power Wiring ConnectionsFig. 12 --- Field Control Wiring Raceway 551B,CTable 3-Electrical Data-551C 551B,CTable 3 - Electrical Data-551Ccont 551B,CVOLTAGE 551B,CTable 3 - Electrical Data-551Ccont VOLTAGE 551B,CTable 3 - Electrical Data-551Ccont NONE 551B,CTable 3 - Electrical Data-551Ccont Table 4-Electrical Data-551B 551B,CTable 4 - Electrical Data-551Bcont 551B,CUNIT 551B,CTable 4 - Electrical Data-551Bcont UNIT 551B,CTable 4 - Electrical Data-551Bcont VOLTAGE 551B,CTable 4 - Electrical Data-551Bcont Assembly Step 6 -Adjust Factory-InstalledOptionsFig. 13 --- Accessory Field-InstalledHumidistat Disconnect SwitchFactory Wiring Humidistat Wiring 208/230-VUnit ShownDamper Installed LTLO - Low Temperature LockoutFig. Fig Outdoor-AirDamper Position SettingFig. 22 --- Typical Access Panel Locations 551B,CTable 5-SupplyAir Sensor Temperature Fig. 24 --- Indoor Coil Access Panel RelocationOutdoor Air Temperature OAT Sensor Supply Air Temperature SAT SensorOutdoor Dry Bulb Changeover Fig. 27 --- EconoMi$er IV Wiring551B,C EconoMi$er IV Control ModesFig. 28 --- Barometric Flow Capacity 551B,COutdoor Enthalpy Changeover Differential Enthalphy ControlIndoor Air Quality IAQ Sensor Input Exhaust Set Point Adjustment551B,C and LED LocationsChangeover Set Points Fig. 34 --- Outside Air TemperatureFig. 35 --- Return Air Temperature or Enthalpy 551B,CFig. 37 --- EconoMi$er IV Control CO2 Sensor ConfigurationFig. 38 --- CO2 Sensor Maximum Range Setting 551B,CDehumidification of Fresh Air with DCV Control Step 7 -Adjust Evaporator-FanSpeedTable 7-CO2 Sensor Standard Settings 551B,C551B,C Fig. 41 --- Evaporator-FanPulley AdjustmentUNIT 551B,CTable 14 - Evaporator-FanMotor Efficiency GENERAL FAN PERFORMANCE NOTES551B,C Belt Drive Belt DriveBelt Drive 551B,CBelt Drive AIRFLOW 551B,CAIRFLOW 551B,CBelt Drive 551B,CAIRFLOW 551B,CAIRFLOW 551B,CBelt Drive 551B,CBelt Drive 551B,CStandard Motor Belt Drive 551B,CStandard Motor Belt Drive 551B,CHigh-StaticMotor Belt Drive 551B,CAIRFLOW 551B,CSTART-UP Internal WiringRefrigerant Service Ports PRE-START-UPVentilation Continuous Fan Safety ReliefCooling HeatingFig. 42 --- Perfect Humidityt Normal SERVICEStep 1 -Cleaning 551B,C551B,C Step 2 -LubricationFig. 45 --- Cleaning Condenser Coil Evaporator Fan Belt AdjustmentFig. 48 --- Condenser-FanAdjustment Step 3 -Condenser-FanAdjustmentStep 4 -EconoMi$erIV Adjustment Step 5 -RefrigerantChargeFig. 52 --- Cooling Charging Chart Fig. 51 --- Cooling Charging Chart Standard 551BFig. 53 --- Cooling Charging Chart, 551B 036 with Fig. 50 --- Cooling Charging ChartFig. 56 --- Cooling Charging Chart, 551B 072 with Step 6 -ReplacementPartsFig. 54 --- Cooling Charging Chart, 551B 048 with Fig. 55 --- Cooling Charging Chart, 551B 048 with551C - 2 TON CHARGING CHART Fig. 57 --- Cooling Charging Chart Standard 551C551C - 3 TON CHARGING CHART Fig. 58 --- Cooling Charging Chart Standard 551CFig. 60 --- Cooling Charging Chart Standard 551C 551C - 5 TON CHARGING CHART551C - 4 TON CHARGING CHART Fig. 59 --- Cooling Charging Chart Standard 551C551B,C TROUBLESHOOTINGUnit Troubleshooting Economi$er IV Troubleshooting551B,C EconoMi$er IV Troubleshooting CompletionTable 35-CoolingService Analysis Table 38-EconoMi$erIV Input/Output Logic 551B,CC06053 551B,CFig. 61 --- EconoMi$er IV Functional View III. START-UP GENERALSTART-UPCHECKLIST Remove and Store in Job File I. PRELIMINARY INFORMATION

— Indoor (Evaporator) Fan Contactor

— National Electrical Code

— Terminal Block

C06158

Fig. 11 ---Power Wiring Connections

C06125

Fig. 12 ---Field Control Wiring Raceway