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Carrier P4, P5030-100, P3, 48P2 installation instructions 27.0

Models: P4 48P2 P3 P5030-100

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Table 19 — Electrical Data — 48P2,P3,P4,P5075 Units with Optional Return Fan

			VOLTAGE						COMPRESSOR						CONDENSER		EVAPORATOR		POWER EXHAUST			POWER SUPPLY
VOLTAGE			RANGE					No. A1				No. B1			FAN MOTOR		FAN MOTOR		POWER EXHAUST			POWER SUPPLY
			RANGE					No. A1				No. B1			FAN MOTOR		FAN MOTOR
								RLA		LRA		RLA		LRA						Hp	FLA		FUSE OR HACR
3 PH, 60 Hz			Min	Max		Qty					Qty				Qty	FLA	Hp	FLA	Qty		FLA	MCA
3 PH, 60 Hz			Min	Max		Qty					Qty				Qty	FLA	Hp	FLA	Qty		(ea)	MCA
								(ea)		(ea)		(ea)		(ea)						(ea)	(ea)		BRKR*

																			1	20	27.0	197.8	225
																	30	40.0	1	25	34.0	204.8	225
																	30	40.0	1	30	40.0	210.8	250
																			1	30	40.0	210.8	250
																			1	40	52.0	225.8	250
																			1	20	27.0	212.8	250
																	40	52.0	1	25	34.0	219.8	250
																	40	52.0	1	30	40.0	225.8	250
																			1	30	40.0	225.8	250
																			1	40	52.0	237.8	250
																3.3			1	20	27.0	229.1	250
460			414	508		2		26.9		179	2	26.9		179	4	3.3	50	65.0	1	25	34.0	236.1	300
460			414	508		2		26.9		179	2	26.9		179	4	(ea)	50	65.0	1	30	40.0	242.1	300
																(ea)			1	30	40.0	242.1	300
																			1	40	52.0	254.1	300
																			1	20	27.0	244.1	300
																	60	77.0	1	25	34.0	251.1	300
																	60	77.0	1	30	40.0	257.1	300
																			1	30	40.0	257.1	300
																			1	40	52.0	269.1	300
																			1	20	27.0	267.8	350
																	75	96.0	1	25	34.0	274.8	350
																	75	96.0	1	30	40.0	280.8	350
																			1	30	40.0	280.8	350
																			1	40	52.0	292.8	350
																			1	20	22.0	167.2	175
																	30	32.0	1	25	27.0	172.2	200
																	30	32.0	1	30	32.0	177.2	200
																			1	30	32.0	177.2	200
																			1	40	41.0	188.5	225
																			1	20	22.0	178.5	200
																	40	41.0	1	25	27.0	183.5	200
																	40	41.0	1	30	32.0	188.5	225
																			1	30	32.0	188.5	225
																			1	40	41.0	197.5	225
																2.6			1	20	22.0	192.2	225
575			518	632		2		23.7		132	2	23.7		132	4	2.6	50	52.0	1	25	27.0	197.2	225
575			518	632		2		23.7		132	2	23.7		132	4	(ea)	50	52.0	1	30	32.0	202.2	250
																(ea)			1	30	32.0	202.2	250
																			1	40	41.0	211.2	250
																			1	20	22.0	204.7	250
																	60	62.0	1	25	27.0	209.7	250
																	60	62.0	1	30	32.0	214.7	250
																			1	30	32.0	214.7	250
																			1	40	41.0	223.7	250
																			1	20	22.0	223.5	300
																	75	77.0	1	25	27.0	228.5	300
																	75	77.0	1	30	32.0	233.5	300
																			1	30	32.0	233.5	300
																			1	40	41.0	242.5	300
			LEGEND
FLA	—	Full Load Amps
HACR	— Heating, Air Conditioning, and Refrigeration
Hp	—	Nominal Horsepower
LRA	—	Locked Rotor Amps
MCA	—	Minimum Circuit Amps (for wire sizing)
RLA	—	Rated Load Amps

* Used to determine minimum disconnect per NEC (National Electrical Code).

NOTE: Units use 2 (low heat) or 3 (high heat) combustion fan motors rated at 0.3 FLA each.

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Carrier P4, P5030-100, P3, 48P2 installation instructions 27.0

Contents

GENERAL Installation InstructionsCONTENTS SAFETY CONSIDERATIONSStep 1 - Perform Jobsite Survey - Complete INSTALLATIONStep 5 - Install Curb Gasketing Step 6 - Install Field-FabricatedDuctworkTable 1A - Physical Data 48P2,P3,P4,P5030-050 Table 1A - Physical Data 48P2,P3,P4,P5030-050cont Table 1B - Physical Data 48P2,P3,P4,P5055-070 Table 1C - Physical Data 48P2,P3,P4,P5075-100 Table 4 - Optional Humidi-MiZer Coil Data Table 1C - Physical Data 48P2,P3,P4,P5075-100contTable 6 - Supply Fan Drive Data Table 9 - Optional Return Fan Drive Data Table 7 - Power Exhaust Fan Drive DataFig. 1 - Roof Curb - Sizes Fig. 2 - Roof Curb - Sizes Fig. 3 - Roof Curb - Sizes Page Page X NO GASKET CONDENSER END SUPPORT4 REF 9 3/4With field-suppliedfittings and pipe sections, plumb the pri- mary condensate drain to the 2-in.FPT connector on the base rail. Use a trap height of at least 4-in.for size 030-070units and 7-in.for size 075-100units. See Fig. 23 and 24. Install with a height dimension of at least 2-in.from the top of the exit pipe from the trap section to the bottom of the connector. Apply a bead of RTV or similar sealant around the pipe joint at the con- nector in the base rail UNITS ALL PANELS MUST BE IN PLACE WHEN RIGGINGCAUTION - NOTICE TO RIGGERS a48-8455a48-8456 ALL PANELS MUST BE IN PLACE WHEN RIGGINGWEIGHT CAUTION - NOTICE TO RIGGERS48P2,P3,P4,P5 UNITS Locate the four 11/4-in.drain coupling assemblies and mounting screws shipped in a bag taped to the basepan in the supply fan section, located behind the access panel marked FAN SECTION. The drain couplings are a 10-gageplate with a 11/4 in. half coupling welded to the plate a48-8613 a48-8614 a48-8615 a48-8616 a48-8617 a48-8618 a48-8619 a48-8620 a48-8621 a48-8622 Fig. 23 - Primary Drain Connection a48457Fig. 25 - Secondary Condensate Drain Location Curb MountFig. 27 - Secondary Drain Seal Plate Fig. 28 - Outdoor Air Hood Installation SizesInstallation Sizes a48-8459Fig. 33 - Economizer Outdoor-AirHood Step 10 - Install Economizer Hoods UnitsInstallation Sizes Fig. 32 - 25% Outdoor-AirHood Locationa48-8462 Fig. 37 - Large Economizer Hood AssemblyStep 12 - Make Field Electrical Connections Step 11 - Route Field WiringFig. 40 - Disconnect Location - Size 070-100Units a48-8463 a48-8464Fig. 39 - Disconnect Location - Size 040-060Units a48-8465a48-8467 Fig. 41 - Field Power Wiring ConnectionsFig. 43 - Field Power Wiring Connections for Factory-InstalledDisconnectVOLTAGE VOLTAGE VOLTAGE VOLTAGE 174.0/171.8 70.8 225.4/223.2 78.1 Page Page Page VOLTAGE 14.0 27.0 208.4 14.0 27.0 219.8 14.0 27.0 Fig. 44 - Auxiliary Control Box Location Sizes Sizes Fig. 45 - Auxiliary Control Box Location SizesFig. 46 - Auxiliary Control Box Details Fig. 47 - Auxiliary Control Box DetailsFig. 50 — Shipping Brackets Size 055-070Units Fig. 48 - Auxiliary Control Box DetailsSize 075-100Units with Optional Return Fan Fig. 49 - Shipping Brackets Size 030-050UnitsFig. 52 - Optional Return Fan Shipping Brackets Fig. 51 - Shipping Brackets SizesLow Heat, Vertical Supply Units Fig. 53 - Gas Piping DetailsFig. 54 - Flue/Inlet Hood Locations, 030-050Units Fig. 55 - Flue/Inlet Hood Locations, SizesFig. 58 - Baffle Location, 030-050Units a48-8471a48-8584 Fig. 56 - Flue/Inlet Hood Locations, SizesHorizontal Supply Units Fig. 61 - Flue Outlet HoodFig. 60 - Baffle Locations, Sizes a48-8587Fig. 63 - Flue Deflector Baffle Curve-Type Fig. 65 - Inlet Hood Assembly 6-in.and 14-inInstallation a48-8588a48-8590 Fig. 67 - Inlet Hood Assembly 30-ina48-8473 Fig. 68 - Air Baffle 14-ina48-8561 a48-8560Fig. 70 - Wind Baffle Details CONTROLS INSTALLATION a48-8475 Fig. 72 - T55 or T56 WiringFig. 71 - Field Control Thermostat Wiring a48-8474TB201Fig. 77 - Filter Status Wiring Fig. 74 - Heat Interlock Relay WiringFig. 75 - Outdoor Air Enthalpy Switch Wiring Fig. 76 - CO2 Space Sensor Wiringa48-8482 Fig. 78 - Fan Status Switch WiringFig. 80 - Return Air CO2 Sensor Wiring RED BRNFIRE SHUTDOWN Fig. 81 - Return Air Smoke Detector WiringFig. 82 - Fire Shutdown Wiring TB201Table 28 - CCN Connection Approved Carrier Comfort Network CCN Interfacea48-8487 Fig. 84 - CCN ConnectionsTable 29 - MS/TP Wiring Recommendations Optional UPC Open Installationopening the economizer option required See Fig. 82 for wiringFig. 85 - UPC Open Controller turning the supply fan offFig. 86 - Open System Network Wiring Fig. 86 - BT485 InstallationTable 31 - Smoke Control Modes