Bryant 551J installation instructions Roof Curb Details

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	CONNECTOR	B	C	D ALT	POWER	CONTROL	ACCESSORY	ROOF CURB	A	UNIT SIZE
	CONNECTOR	B	C	DRAIN	POWER	CONTROL	ACCESSORY	ACCESSORY	A	UNIT SIZE
	PKG. ACCY.			HOLE			POWER		1’-2”
				HOLE				CRRFCURB001A01	1’-2”
								CRRFCURB001A01	[356]	551J*04-06
	CRBTMPWR003A01				3/4” [19] NPT				[356]
	CRBTMPWR003A01	1’-911/16”	1’-4”	13/4”	3/4” [19] NPT	1/2” [12.7]	1/2” [12.7]	CRRFCURB002A01	2’-0”
		1’-911/16”	1’-4”	13/4”		1/2” [12.7]	1/2” [12.7]	CRRFCURB002A01	2’-0”
		[551]	[406]	[44.5]		NPT	NPT		[610]
	CRBTMPWR004A01	[551]	[406]	[44.5]	11/4” [31.7]	NPT	NPT
	CRBTMPWR004A01				11/4” [31.7]
							NOTES:
							1.	Roof curb accessory is shipped disassembled.
							2.	Insulated panels.
							3.	Dimensions in [ ] are in millimeters.
							4.	Roof curb: galvanized steel.
							5.	Attach ductwork to curb (flanges of duct rest on
								curb).
							6.	Service clearance: 4 ft on each side.
							7.	Direction of airflow.
										551J

j

C10059

Fig. 3 - Roof Curb Details

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Contents Installation Instructions 551J Unit Dimensional Drawing C10058 Plan for Unit Location Plan for Sequence of Unit InstallationCurb-mounted installation Operating WeightsProvide Unit Support Inspect unitRoof Curb Details Rig and Place Unit Field Fabricate DuctworkInstall Outside Air Hood Convert to Horizontal and Connect Ductwork when requiredPositioning on Curb Indoor Coil Access Panel Relocation Field Power Supply Install External Condensate Trap and LineMake Electrical Connections Convenience Outlets All unitsConvenience Outlet Location Installing Weatherproof Cover Thermostat Field Control WiringFactory-Option Thru-Base Connections Units without Thru-Base ConnectionsElectric Heaters Heat Anticipator SettingsHeater Model Number Typical Component Location Controller SystemSmoke Detectors Typical Supply Air Smoke Detector Sensor Location Smoke Detector LocationsReturn Air Detector Shipping Position Completing Installation of Return Air Smoke SensorRTU-MP Multi-Protocol Control Board RTU-MP control systemRTU-MP System Control Wiring Diagram Type of I/O Connection PIN Name Numbers Inputs RTU-MP Controller Inputs and Outputs55 Space Temperature Sensor Wiring Space Temperature SPT SensorsRTU-MP T-56 Sensor Connections SEN Filter Status Connecting Discrete InputsPower Exhaust output Communication Wiring Protocols GeneralRTU-MP Troubleshooting Communication LEDs Local AccessLEDs on the RTU-MP show the status of certain functions LEDsFLA LRA Unit Wire/Fuse or Hacr Breaker Sizing DataPwrd C.O 27.8 132 42.0 47/47 EconoMi$er IV Occupancy Switch Adjust Factory-Installed OptionsPre-Start and Start-Up Install Accessories