Manuals / Carrier / Household Appliance / Electric Heater

Carrier P4 Red Brn, a48-8482, Fan Status Switch Wiring, a48-8483, Return Air CO2 Sensor Wiring

Models: P4 48P2 P3 P5030-100

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a48-8482

CEM

J6

a48-8482

RCB

J4

Fig. 78 — Fan Status Switch Wiring

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Fig. 79 — Space and Return Air Humidity Sensor Wiring

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BRN

a48-8483

Fig. 80 — Return Air CO2 Sensor Wiring

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Carrier P4, P5030-100, P3, 48P2 Red Brn, a48-8482, Fan Status Switch Wiring, a48-8483, Return Air CO2 Sensor Wiring

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-inFig. 70 - Wind Baffle Details a48-8561a48-8560 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 offTable 31 - Smoke Control Modes Fig. 86 - Open System Network WiringFig. 86 - BT485 Installation