Carrier WEATHERMAKER 8000 58ZAV User Manual

WeatherMaker 8000™58ZAVDownflow/Horizontal Induced-Combustion FurnacesInstallation, Start-Up, and Operating InstructionsSizes 050—135, Series 151 and

Step 10—Electrical Connections115-V WIRINGRefer to the unit rating plate or Table 6 for equipment electricalrequirements. The control system requires

The cabinet MUST have an uninterrupted or unbroken groundaccording to NEC ANSI/NFPA 70-1999 and Canadian Elec-trical Code CSA C22.1 or local codes to

Two quick-connect terminals marked EAC-1 and EAC-2 areprovided for EAC connection. (See Fig. 14.) These terminalsare energized with 115-v, (1.5-amp ma

Fig. 15—Heating and Cooling Application Wiring DiagramA98521115-V FIELD-SUPPLIEDDISCONNECT AUXILIARYJ-BOX 24-VTERMINALBLOCK THREE-WIREHEATI

→Fig. 16—Furnace Wiring DiagramA00304PCBBLOWER OFF DELAYSELECTION CHART90 SEC135 SEC180 SEC225 SECGVRHI/LORELAYSEC-1SEC-2PL1321654987LEDTEST/TWINBLOWE

When the thermostat "calls for cooling," R-G and R-Y circuitsclose. The R-Y circuit starts the outdoor condensing unit andcombined R-Y and R

→Table 7—Model 58ZAV Orifice Size† and Manifold Pressure for Correct Input(Tabulated Data Based on 23,000 BTUH Per Burner, Derated 4 Percent per 1000

→Table 7—Model 58ZAV Orifice Size† and Manifold Pressure for Correct Input (Continued)(Tabulated Data Based on 23,000 BTUH Per Burner, Derated 4 perce

b. Adjust manifold pressure to obtain input rate.(1.) Remove regulator adjustment seal cap. (See Fig. 18.)(2.) Turn adjusting screw, counterclockwise

d. Refer to Table 9 for cu ft of gas per hr.e. Multiply gas rate (cu ft/hr) X heating value (Btu/cu ft)using natural gas heating value from local gasu

ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONSPROCEDUREElectrostatic discharge can affect electronic components.Take precautions during furnace installatio

terminal. (See Fig. 14.) Select desired blower motor speedlead from 1 of the other terminals and relocate it to HEATterminal. See Table 10 for lead co

d. Set thermostat to "call for heat" and wait 1 minute. Whenpressure switch is functioning properly, hot surface ignitershould NOT glow and

CHECKLIST—INSTALLATIONLOAD CALCULATION____________ Heating Load (Btuh)____________ Cooling Load (Btuh)____________ Furnace Model SelectionAIR FOR COMB

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A94328SERVICE TRAININGPackaged Service Training programs are an excellent way to increase yourknowledge of the equipment discussed in this manual, inc

INTRODUCTIONThe model 58ZAV Series 151 and 161 Furnaces are available insizes 46,000 through 135,000 Btuh input capacities.The design of the downflow/

Improper installation, adjustment, alteration, service, mainte-nance, or use can cause carbon monoxide poisoning, explo-sion, fire, electrical shock,

The operation of exhaust fans, kitchen ventilation fans,clothes dryers, or fireplaces could create a NEGATIVEPRESSURE CONDITION at the furnace. Make-u

Step 3—Supply Air ConnectionsDOWNFLOW FURNACESConnect supply-air duct to supply-air opening on furnace. Thesupply-air duct attachment must ONLY be con

Do not install furnace on its back. Safety control operationwill be adversely affected. Never connect return-air ducts toback of furnace. Failure to f

Fig. 6—Furnace, Plenum, and Subbase Installedon a Combustible FloorA96285DOWNFLOWSUBBASESHEET METALPLENUMFLOOROPENINGFURNACE(OR COIL CASINGWHEN USED)C

If coil assembly CD5, CK5, or Coil Box KCAKC is used,install as shown in Fig. 7.Step 6—Horizontal Attic InstallationDo not install the furnace on its