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Bryant 551C installation instructions 551B,C, Airflow

Models: 551B

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Table 19—Fan Performance 551B 060, 551C 060 Single-Phase — Vertical Discharge Units; Standard Motor (Belt Drive)*

AIRFLOW						EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW		0.2			0.4			0.6				0.8			1.0
CFM		0.2			0.4			0.6				0.8			1.0
	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts
1500	790	0.40	353	897	0.53	471	991	0.68	600		1075	0.83	739	1152	1.00	888
1600	828	0.46	412	931	0.60	536	1022	0.75	670		1104	0.92	813	1180	1.09	966
1700	866	0.54	478	966	0.68	608	1054	0.84	747		1134	1.01	895	1208	1.19	1053
1800	905	0.62	551	1001	0.77	687	1087	0.94	832		1165	1.11	985	1238	1.29	1148
1900	944	0.71	633	1037	0.87	774	1120	1.04	925		1197	1.22	1084	—	—	—
2000	983	0.81	723	1073	0.98	870	1154	1.16	1026		—	—	—	—	—	—
2100	1023	0.92	821	1110	1.10	975	1189	1.28	1137		—	—	—	—	—	—
2200	1063	1.05	929	1147	1.23	1089	—	—	—		—	—	—	—	—	—
2300	1104	1.18	1046	—	—	—	—	—	—		—	—	—	—	—	—
2400	—	—	—	—	—	—	—	—	—		—	—	—	—	—	—
2500	—	—	—	—	—	—	—	—	—	—		—	—	—	—	—

AIRFLOW						EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW		1.2			1.4			1.6				1.8			2.0
CFM		1.2			1.4			1.6				1.8			2.0
	Rpm	Bhp	Watts	Rpm	Bhp	Watts	Rpm	Bhp	Watts		Rpm	Bhp	Watts	Rpm	Bhp	Watts
1500	1224	1.18	1045	—	—	—	—	—	—		—	—	—	—	—	—
1600	1250	1.27	1128	—	—	—	—	—	—		—	—	—	—	—	—
1700	—	—	—	—	—	—	—	—	—		—	—	—	—	—	—
1800	—	—	—	—	—	—	—	—	—		—	—	—	—	—	—
1900	—	—	—	—	—	—	—	—	—		—	—	—	—	—	—
2000	—	—	—	—	—	—	—	—	—		—	—	—	—	—	—
2100	—	—	—	—	—	—	—	—	—		—	—	—	—	—	—
2200	—	—	—	—	—	—	—	—	—		—	—	—	—	—	—
2300	—	—	—	—	—	—	—	—	—		—	—	—	—	—	—
2400	—	—	—	—	—	—	—	—	—		—	—	—	—	—	—
2500	—	—	—	—	—	—	—	—	—		—	—	—	—	—	—
NOTES:									LEGEND
1. Bold cells indicate field-supplied drive is required.								Bhp — Brake Horsepower
2. Maximum continuous bhp is 1.30.								Watts — Input Watts to Motor
3. See general fan performance notes.								*Motor drive range: 1035 to 1460 rpm. All other rpms require field-supplied
								drive.

551B,C

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Bryant 551C installation instructions 551B,C, Airflow

Contents

SAFETY CONSIDERATIONS TABLE OF CONTENTSINSTALLATION Installation InstructionsStep 1 -ProvideUnit Support Step 3 -InstallExternal Trap for Condensate DrainStep 2 -FieldFabricate Ductwork Step 4 -Rigand Place UnitFig. 2 --- Roof Curb Details 551B,C551B 551CMAXIMUM ALLOWABLE DIFFERENCE in 551B,CFig. 3 --- Unit Leveling Tolerances Fig. 4 --- Condensate Drain ConnectionFig. 7 --- Roof Curb Alignment 551B,C551B,C 551B 036-072Base Unit DimensionsC06375 XOB LOR TNO CACCESS Fig. 9 --- 551C 024-060Base Unit Dimensions551B,C COMPRESSORField Power Supply Step 5 -MakeElectrical ConnectionsField Control Wiring Heat Anticipator SettingsTable 1-PhysicalData 551B 551B,CTable 2-PhysicalData 551C 551B,CFig. 12 --- Field Control Wiring Raceway Fig. 11 --- Power Wiring Connections551B,C Indoor Evaporator Fan ContactorTable 3-Electrical Data-551C 551B,CTable 3 - Electrical Data-551Ccont 551B,CTable 3 - Electrical Data-551Ccont 551B,CVOLTAGE Table 3 - Electrical Data-551Ccont 551B,CVOLTAGE Table 3 - Electrical Data-551Ccont 551B,CNONE Table 4-Electrical Data-551B 551B,CTable 4 - Electrical Data-551Bcont 551B,CTable 4 - Electrical Data-551Bcont 551B,CUNIT Table 4 - Electrical Data-551Bcont 551B,CUNIT Table 4 - Electrical Data-551Bcont 551B,CVOLTAGE Fig. 13 --- Accessory Field-InstalledHumidistat Step 6 -Adjust Factory-InstalledOptionsDisconnect Switch AssemblyDamper Installed Humidistat Wiring 208/230-VUnit ShownLTLO - Low Temperature Lockout Factory WiringFig. 22 --- Typical Access Panel Locations Outdoor-AirDamper Position Setting551B,C Fig. FigOutdoor Air Temperature OAT Sensor Fig. 24 --- Indoor Coil Access Panel RelocationSupply Air Temperature SAT Sensor Table 5-SupplyAir Sensor Temperature551B,C Fig. 27 --- EconoMi$er IV WiringEconoMi$er IV Control Modes Outdoor Dry Bulb ChangeoverOutdoor Enthalpy Changeover 551B,CDifferential Enthalphy Control Fig. 28 --- Barometric Flow Capacity551B,C Exhaust Set Point Adjustmentand LED Locations Indoor Air Quality IAQ Sensor InputFig. 35 --- Return Air Temperature or Enthalpy Fig. 34 --- Outside Air Temperature551B,C Changeover Set PointsFig. 38 --- CO2 Sensor Maximum Range Setting CO2 Sensor Configuration551B,C Fig. 37 --- EconoMi$er IV ControlTable 7-CO2 Sensor Standard Settings Step 7 -Adjust Evaporator-FanSpeed551B,C Dehumidification of Fresh Air with DCV Control551B,C Fig. 41 --- Evaporator-FanPulley AdjustmentUNIT 551B,C551B,C GENERAL FAN PERFORMANCE NOTESTable 14 - Evaporator-FanMotor Efficiency Belt Drive Belt DriveBelt Drive 551B,CBelt Drive AIRFLOW 551B,CAIRFLOW 551B,CBelt Drive 551B,CAIRFLOW 551B,CAIRFLOW 551B,CBelt Drive 551B,CBelt Drive 551B,CStandard Motor Belt Drive 551B,CStandard Motor Belt Drive 551B,CHigh-StaticMotor Belt Drive 551B,CAIRFLOW 551B,CRefrigerant Service Ports Internal WiringPRE-START-UP START-UPCooling Safety ReliefHeating Ventilation Continuous FanStep 1 -Cleaning SERVICE551B,C Fig. 42 --- Perfect Humidityt NormalFig. 45 --- Cleaning Condenser Coil Step 2 -LubricationEvaporator Fan Belt Adjustment 551B,CStep 4 -EconoMi$erIV Adjustment Step 3 -Condenser-FanAdjustmentStep 5 -RefrigerantCharge Fig. 48 --- Condenser-FanAdjustmentFig. 53 --- Cooling Charging Chart, 551B 036 with Fig. 51 --- Cooling Charging Chart Standard 551BFig. 50 --- Cooling Charging Chart Fig. 52 --- Cooling Charging ChartFig. 54 --- Cooling Charging Chart, 551B 048 with Step 6 -ReplacementPartsFig. 55 --- Cooling Charging Chart, 551B 048 with Fig. 56 --- Cooling Charging Chart, 551B 072 with551C - 3 TON CHARGING CHART Fig. 57 --- Cooling Charging Chart Standard 551CFig. 58 --- Cooling Charging Chart Standard 551C 551C - 2 TON CHARGING CHART551C - 4 TON CHARGING CHART 551C - 5 TON CHARGING CHARTFig. 59 --- Cooling Charging Chart Standard 551C Fig. 60 --- Cooling Charging Chart Standard 551CUnit Troubleshooting TROUBLESHOOTINGEconomi$er IV Troubleshooting 551B,CTable 35-CoolingService Analysis EconoMi$er IV Troubleshooting Completion551B,C Table 38-EconoMi$erIV Input/Output Logic 551B,CFig. 61 --- EconoMi$er IV Functional View 551B,CC06053 START-UPCHECKLIST Remove and Store in Job File GENERALI. PRELIMINARY INFORMATION III. START-UP