Manuals / Carrier / Household Appliance / Heating System

Carrier 48ZT, ZW Heat Interlock Relay Wiring, Outdoor Air Enthalpy Switch Wiring, RCB J4 MBB J8

Models: Z6 48ZG 48ZT ZW Z8075-105 ZN030-105

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Fig. 70 — Heat Interlock Relay Wiring

Fig. 70 — Heat Interlock Relay Wiring

FIELD INSTALLED (FIELD

SUPPLIED) JUMPER WHEN

ENTHALPY SWITCH NOT USED

Fig. 71 — Outdoor Air Enthalpy Switch Wiring

RCB

J4

MBB

J8

Fig. 72 — CO2 Space Sensor Wiring

FILTER STATUS

MBB

J8

Fig. 73 — Filter Status Wiring

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Image 63

Carrier 48ZT, ZW Heat Interlock Relay Wiring, Outdoor Air Enthalpy Switch Wiring, CO2 Space Sensor Wiring, RCB J4 MBB J8

Contents

Install Outdoor Hoods Installation InstructionsFOR YOUR SAFETY WHAT TO DO IF YOU SMELL GAS FOR YOUR SAFETYINSTALLATION Curb GasketingField-FabricatedDuctwork Table 1A - Physical Data 48ZG,ZN030-050 Table 1A - Physical Data 48ZG,ZN030-050cont Table 1B - Physical Data 48ZG,ZN055-070 Table 1C - Physical Data 48ZG,ZN075-105 Table 1C - Physical Data 48ZG,ZN075-105cont Table 1D - Physical Data 48Z6,Z8075-105 Table 1D - Physical Data 48Z6,Z8075-105cont Table 1E - Physical Data 48ZT,ZW075-105 Includes hood Table 1E - Physical Data 48ZT,ZW075-105contTable 3 - Supply Fan Drive Data Table 4 - Power Exhaust Fan Drive DataUNIT SIZE DIMENSIONFig. 1 - Roof Curb Sizes UNIT TYPE24′-113/8″ 27′-911/16″22′-103/16″ 29′-107/8″Page Page Page CONDENSER END SUPPORT 4 REF 9 3/4X NO GASKET DETAIL A-A WEIGHT UNITECONOMIZER UNIT UNIT UNITS 48ZG,ZN PRIMARY DRAIN - The primary drain is a 2-in.NPT pipe connection located on the right-handside of the unit looking at the unit from the return air end. See Fig 24 → Page Page a48-8451 Page Page a48-8452 104.65 352 1-13/4 1933 6-41/8 POWERa48-8453 CONTROLa48-8454 Fig. 26 - Secondary Condensate Drain Location Fig. 24 - Primary Drain ConnectionFig. 25 - Slab-MountedCondensate Drain Piping DetailsFan Outdoor-AirHood Installation Fig. 29 - Outdoor Air Hood Installation SizesInstallation Sizes Installation SizesInstall Economizer Hoods 48ZT,ZW Units Field Wire Routing Field Electrical ConnectionsFig. 38 - Large Economizer Hood Assembly Fig. 39 - Disconnect Location - Size 030-050Units Fig. 40 - Disconnect Location - 48ZG,ZN055-105and 48Z6,Z8075-105Units for Factory-InstalledDisconnect Fig. 42 - Field Power Wiring ConnectionsFig. 43 - Factory-InstalledDisconnect Location Fig. 44 - Field Power Wiring ConnectionsTable 7 - Electrical Data, 48ZG,ZN030 Units Table 8 - Electrical Data, 48ZG,ZN035 Units Table 9 - Electrical Data, 48ZG,ZN040 Units Table 10 - Electrical Data, 48ZG,ZN050 Units Table 11 - Electrical Data, 48ZG,ZN055 Units Table 12 - Electrical Data, 48ZG,ZN060 Units Table 13 - Electrical Data, 48ZG,ZN070 Units Table 14 - Electrical Data - 48ZG,ZN075-105Units Table 15 - Electrical Data - 48Z6,Z8075-105Units Table 16 - Electrical Data - 48ZT,ZW075-105Units COMPRESSOR Fig. 45 - Auxiliary Control Box Location Sizes Sizes Fig. 46 - Auxiliary Control Box Location SizesFig. 47 - Auxiliary Control Box Details Fig. 48 - Auxiliary Control Box DetailsReturn/Exhaust-FanShipping Brackets 48Z6 Fig. 50 - Shipping Brackets Size 030-050UnitsFig. 51 - Shipping Brackets Size 055-070Units Fig. 52 - Shipping Brackets Sizes Fig. 54 - Foam TXV Shipping BlocksFig. 53 - Return/Exhaust Fan Shipping Brackets Fig. 57 - Rear View of Compressor Mounting Rail Assembly — Size 105 UnitsMounting Rail Assembly - Size 105 Units Fig. 56 - Front View of CompressorTable 17 - 48Z Series Staged Gas Implementation Fig. 58 - Gas Piping Details075-105Units V-Type Fig. 59 - Flue/Inlet Hood Locations, 030-060UnitsFig. 60 - Flue/Inlet Hood Locations, 055-105Units Fig. 62 - Flue Deflector Baffle, 030-050andTable 18 - Flue and Inlet Hood Usage Fig. 66 - Inlet Hood View Port Cover InstallationFig. 65 - Inlet Hood Assembly 055-105Units OnlyCONTROLS INSTALLATION Shielded Cables Table 20 - CCN Connection ApprovedFig. 67 - Field Control Thermostat Wiring Fig. 68 - T55 or T56 WiringTable 21 - Smoke Control Modes Fig. 69 - Space Temperature Averaging Wiring Fig. 73 - Filter Status Wiring Fig. 70 - Heat Interlock Relay WiringFig. 71 - Outdoor Air Enthalpy Switch Wiring Fig. 72 - CO2 Space Sensor WiringCEM J6 Fig. 74 - Fan Status Switch WiringFig. 76 - Return Air CO2 Sensor Wiring RCB J4RCB J4 Fig. 77 - Return Air Smoke Detector WiringFig. 78 - Fire Shutdown Wiring MBB J6Fig. 80 - CCN Connections COMMBOARD Page 4-09 Copyright 2009 Carrier CorporationCatalog No Form 48Z-8SI