Manuals / Bryant / Household Appliance / Air Conditioner

Bryant 551B,C, Cooling Charging Chart Standard 551C, 551C - 3 TON CHARGING CHART

Models: 551B

1 61

Page 55

		551C - 2 TON CHARGING CHART				F	C
		551C - 2 TON CHARGING CHART				125	52
						115	46
						105	41
		Suction Line Temperature (deg C)				95	35
		Suction Line Temperature (deg C)				85	29
						85	29
	5.5	10.5	15.5	20.5	25.5	75	24
	5.5	10.5	15.5	20.5	25.5
	105.0
	100.0					698.0
	100.0
(psig)	95.0					648.0	(kpa)
						648.0

Pressure	90.0						Pressure
	85.0					598.0
	85.0
Line	80.0					548.0	Line
Suction	80.0					548.0	Suction
	75.0
						498.0
	70.0					498.0
	70.0
	65.0					448.0
	42	52		62	72

Suction Line Temp (deg F)

Fig. 57 ---Cooling Charging Chart,

Standard 551C 024

			551C - 3 TON CHARGING CHART					F	C
			551C - 3 TON CHARGING CHART					115	46
								105	41
								95	35
			Suction Line Temperature (deg C)					85	29
			Suction Line Temperature (deg C)					75	24
								75	24
	6.1		11.1		16.1	21.1
	95.0							648.2
								648.2
(psig)									(kpa)
Pressure	85.0							598.2	Pressure
	85.0

Line								548.2	Line
Line									Line
Suction	75.0								Suction
Suction								498.2	Suction
	65.0							448.2
	43	48	53	58	63	68	73	78
			Suction Line Temp (deg F)

Fig. 58 ---Cooling Charging Chart,

Standard 551C 036

551B,C

C06148

C06149

Page 55

Image 55

Bryant 551B,C, Cooling Charging Chart Standard 551C, 551C - 3 TON CHARGING CHART, 551C - 2 TON CHARGING CHART

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,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 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$er IV Control CO2 Sensor ConfigurationFig. 38 --- CO2 Sensor Maximum Range Setting 551B,CDehumidification of Fresh Air with DCV Control Step 7 -Adjust Evaporator-FanSpeedTable 7-CO2 Sensor Standard Settings 551B,C551B,C Fig. 41 --- Evaporator-FanPulley AdjustmentUNIT 551B,C551B,C GENERAL FAN PERFORMANCE NOTESTable 14 - Evaporator-FanMotor Efficiency Belt Drive Belt DriveBelt Drive 551B,CBelt Drive AIRFLOW 551B,CAIRFLOW 551B,CBelt Drive 551B,CAIRFLOW 551B,CAIRFLOW 551B,CBelt Drive 551B,CBelt Drive 551B,CStandard Motor Belt Drive 551B,CStandard Motor Belt Drive 551B,CHigh-StaticMotor Belt Drive 551B,CAIRFLOW 551B,CSTART-UP Internal WiringRefrigerant Service Ports PRE-START-UPVentilation Continuous Fan Safety ReliefCooling HeatingFig. 42 --- Perfect Humidityt Normal SERVICEStep 1 -Cleaning 551B,C551B,C Step 2 -LubricationFig. 45 --- Cleaning Condenser Coil Evaporator Fan Belt AdjustmentFig. 48 --- Condenser-FanAdjustment Step 3 -Condenser-FanAdjustmentStep 4 -EconoMi$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$er IV TroubleshootingTable 35-CoolingService Analysis EconoMi$er IV Troubleshooting Completion551B,C Table 38-EconoMi$erIV Input/Output Logic 551B,CFig. 61 --- EconoMi$er IV Functional View 551B,CC06053 III. START-UP GENERALSTART-UPCHECKLIST Remove and Store in Job File I. PRELIMINARY INFORMATION