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_ ------- - --- - ----- ........ ----- .. . 10,000 Outdoor Air Cfm TOTAL UNIT CFM ___1 U)00 __ Outdoor Air Cfm 1 EA Db nr Wb TC 0 SHC Kw TC 1000 SHC kw TC 2000 SHC kw TC 2500 SHC kw TC 0 SHC kw TC 1000 SHC kw TC 2000 SHC kw TC 2500 SHC Kw 85 65 335 252 32 0 344 266 32.6 348 276 32.8 348 280 32 9 338 263 32 2 348 211 32.8 351 28 7 331 352 291 33 1 70 335 252 32 0 349 260 32.9 355 265 33 3 357 267 33 4 338 263 32 2 352 21} 33 1 358 216 33.5 360 278 33.6 65 327 249 33 1 336 268

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Ipiilöxüi fsluöl, iio® © Carrier Corporation 1982 Form 48MA/50ME-3P No hot decks. . .no cold decks. . . no zoning dampers. . .no energy waste! It’s what you don’t get with Carrier’s Zone-Mizer Modular Multizone unit that sets it apart from all the others. You don’t get hot decks or cold decks because the Carrier design gives each zone module its own cooling coil and heating section. Each zone module operates independently. One unit can heat, cool, dehumidify, reheat, and ventilate up to 12

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If gas valve is subjected to pressure greater than0.5 psig, it must be replaced. Optional Staged Gas Control — The 48Z030-105 large rooftop units may be ordered with an optional factory- installed staged gas control system that monitors heating operation of the rooftop. The control system is composed of severalcomponents as listed in sections below. Table 17 shows 48ZSeries staged gas implementation. Refer to the Unit Controls and Troubleshooting book for information on configuring staged gas co

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OFM RLA — — Outdoor (Condenser) Fan Motor Rated Load Amps 44 Table 12 — Electrical Data, 48ZG,ZN060 Units NOMINAL VOLTAGE (3 Ph 60 Hz) VOLTAGE RANGE COMPR NO. 1 COMPR NO. 2 OFM IFM BASE UNIT ONLY EXHAUST FAN BASE UNIT WITH EXHAUST FAN RLA LRA RLA LRA Total FLA Hp FLA MCA MOCP Total Hp Total FLA MCA MOCP 208/230 187-254 108 506 108 506 26.4 15 46.2/42 314.9/310.7 400/400 10 15 20 34/30 48/44 62/56 348.3/340.7 363.3/354.7 376.6/366.7 450/400 450/450 450/450 20 59.4/54 328.1/322.7 400/400 10 15 20

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36 — Economizer with Return/Exhaust Fan Outdoor-Air Hood Installation (48Z6,Z8075-105 Units) 34 Install Economizer Hoods (48ZT,ZW Units) — The economizer uses a total of 4 outdoor intake hoods, 2 on each side of the unit. See Fig. 37. Two small hoods (one perside) are factory-installed and are pivoted inside the unit chassis for shipment. Two large hoods are shipped in packageslocated inside the unit. The large hoods (1 on each side) requirefield assembly and mounting. INSTALL SMALL HOODS — To i

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11 Table 3 — Supply Fan Drive Data HP SHAFT DIA (in.) SPEED (rpm) MOTOR SHEAVE MOTOR PITCH DIA (in.) WHEEL SHEAVE WHEEL PITCH DIA (in.). QUANTITY ...BELT Sizes 030-050 7.5 13/8 438 2BK36 3.4 2B5V136 13.7 2...BX60 10 13/8 549 2B5V42 4.3 2B5V136 13.7 2...5VX630 15 15/8 626 2B5V48 4.9 2B5V136 13.7 2...5VX630 20 15/8 703 2B5V54 5.5 2B5V136 13.7 2...5VX630 25 17/8 830 2B5V64 6.5 2B5V136 13.7 2...5VX650 30* 17/8 910 3B5V64 6.5 3B5V124 12.5 3...5VX630 Sizes 055-070 15 15/8 575 2B5V44 4.5 2B5V136 13.7 2

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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . .1,2 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-59 Jobsite Survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Unit Placement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Roof Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Slab Moun

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. 4 Table 1B — Physical Data (48ZG,ZN055-070) BASE UNIT 48ZG,ZN055 48ZG,ZN060 48ZG,ZN070 NOMINAL CAPACITY (tons) 55 60 70 OPERATING WEIGHT (lb) Base Unit Low Heat High Heat With Economizer Low Heat High Heat Standard Chassis 8700 8820 9230 9350 Extended Chassis 9248 9368 9730 9850 Standard Chassis 9000 9120 9530 9650 Extended Chassis 9,548 9,668 10,030 10,450 Standard Chassis 9,420 9,550 9,950 10,080 COMPRESSORS Quantity...Type Oil Charge (Pints) Capacity Steps (%) CV VAV Number of Refrigerant C

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NOTE: Units use 2 (low heat) or 3 (high heat) combustion fan motors rated at 0.3 FLA each. 56 Table 25 — Electrical Data — 48P2,P3,P4,P5100 Units with Optional Return Fan VOLTAGE 3 PH, 60 Hz VOLTAGE RANGE COMPRESSOR CONDENSER FAN MOTOR EVAPORATOR FAN MOTOR POWER EXHAUST POWER SUPPLY No. A1 No. B1 Min Max Qty RLA (ea) LRA (ea) Qty RLA (ea) LRA (ea) Qty FLA Hp FLA Qty Hp (ea) FLA (ea) MCA FUSE OR HACR BRKR* 460 414 508 3 23.1 150 3 26.9 179 6 3.3 (ea) 30 40.0 1 1 1 1 20 25 30 40 27.0 34.0 40.0 52.

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Fig. 40 — Disconnect Location — Size 070-100 Units 36 TB1 21 11 22 12 2313DISCONNECT PER NEC EQUIP GND LEGEND EQUIP — Equipment GND — Ground NEC — National Electrical Code TB — Terminal Block Fig. 41 — Field Power Wiring Connections FACTORY-INSTALLED DISCONNECT HANDLE LOCATION FACTORY-INSTALLED DISCONNECT (HIDDEN) 23 13 12 11 22 21 DISCONNECT PER NEC FACTORY WIRE EQUIP GND FIELD WIRE LEGEND EQUIP — Equipment GND — Ground NEC — National Electrical Code Fig. 43 — Field Power Wiring Connections for





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