Carrier 58PHA/PHX instruction manual Leveling Legs, Downflow Installation

Page 11

5/16″

(8mm)

(8mm)

5/16″

1 3/4″ (44mm)

1 3/4″ (44mm)

(8mm)

5/16″

(8mm)

5/16″

(44mm) 1 3/4″ (44mm)1 3/4″

A89014

Fig. 10 - Leveling Legs

4.Adjust outside nut to provide desired height, and tighten inside nut to secure arrangement.

5.Reinstall bottom closure panel if removed.

DOWNFLOW INSTALLATION

NOTE: For downflow applications, this furnace is approved for use on combustible flooring when any one of the following 3 accessories are used:

SSpecial Base, KGASB

SCased Coil Assembly Part No. CNPV, CNRV, CAP, or

CAR

SCoil Box Part No. KCAKC

1.Determine application being installed from Table 4.

2.Construct hole in floor per Table 4 and Fig. 11.

3.Construct plenum to dimensions specified in Table 4 and Fig. 11.

4.If downflow subbase, KGASB is used, install as shown in Fig. 12. If Coil Assembly Part No. CNPV, CNRV, CAP and CNR or Coil Box PartNo. KCAKC is used, install as shown in Fig. 13.

NOTE: It is recommended that the perforated supply-air duct flanges be completely folded over or removed from furnace when installing the furnace on a factory-supplied cased coil or coil box. To remove the supply-air duct flange, use wide duct pliers or hand seamers to bend flange back and forth until it breaks off. Be careful of sharp edges. (See Fig. 14.)

Bottom Return Air Inlet

These furnaces are shipped with bottom closure panel installed in bottom return-air opening. Remove and discard this panel when bottom return air is used. To remove bottom closure panel, perform the following:

1.Tilt or raise furnace and remove two screws holding bottom filler panel. (See Fig. 9.)

2.Rotate bottom filler panel downward to release holding tabs.

3.Remove bottom closure panel.

4.Reinstall bottom filler panel and screws

 

A

 

PLENUM

 

OPENING

B

D

 

FLOOR

 

OPENING

 

C

58PHA

A96283

Fig. 11 - Floor and Plenum Opening Dimensions

FURNACE

(OR COIL CASING

WHEN USED)

COMBUSTIBLE

FLOORING

DOWNFLOW

SUBBASE

SHEET METAL

PLENUM

FLOOR

OPENING

A96285

Fig. 12 - Furnace, Plenum, and Subbase Installed on a Combustible Floor

11

Page 10 Page 12
Image 11
Page 10 Page 12
Contents Ama Furnace Reliability Hazard Safety ConsiderationsCUT Hazard IntroductionClearances to Combustibles Codes and StandardsVenting Electrostatic Discharge ESD Precautions ProcedureCarbon Monoxide Poisoning Hazard LocationGeneral Personal Injury AND/OR Property Damage Hazard Electrical Operation HazardLocation Relative to Cooling Equipment AIR for Combustion VentilationFire Hazard Furnace Corrosion HazardACH Side Return Air Inlet InstallationCombination of Indoor and Outdoor Air Bottom Return Air InletLeveling Legs Downflow InstallationA08556 Roll-Out Protection Opening Dimensions In. mmSuspended Furnace Support Platform Furnace SupportDuctwork Acoustical Treatment Supply Air Connections Filter Arrangement Carbon Monoxide and Poisoning HazardAIR Ducts General RequirementsUpflowdownflow Horizontal Horizontal Suspension with Straps Furnace Overheat Hazard Return Air ConnectionsGAS Piping Fire or Explosion Hazard Maximum Capacity of Pipe Air Delivery CFM With FilterUpflow Return Air Configurations and Restrictions Horizontal Return Air Configurations and Restrictions Electrical Shock and Fire Hazard Electrical DataElectrical Connections Electrical Shock Hazard Electrical Connection to J-BOX WiringFurnace MAY not Operate BOX RelocationVenting Power Cord Installation in Furnace J-BOXBX Cable Installation in Furnace J-BOX AccessoriesFurnace Control Masonry Chimney Requirements General Venting RequirementsSingle-Stage Furnace with Single-Speed Air Con Ditioner Humidfier Internal Area of Chimney Appliance Application RequirementsChimney Inspection Chart Sidewall Venting Additional Venting RequirementsBurn Hazard Upflow Application-Vent Elbow Up See Notes 1,2,4,5,7,8,9 on See Notes 1,2,4,5,7,8,9 Venting Notes for Figures Using Tin Snips to Cut Tie PointsRounded End of Knockout Furnace Damage Hazard START-UP, ADJUSTMENT, and Safety CheckFire and Explosion Hazard Altitude Derate Multiplier for U.S.A CanadaFollow exclusively the National Fuel Gas Code Gas Control Valve Furnace Overheating Hazard Check Safety ControlsSpeed Selection Gas Rate Cu Ft./Hr ChecklistA08220 A08220A Electrical SHOCK, Fire or Explosion Hazard Service and Maintenance ProceduresElectrical Controls and Wiring Electrical Shock Hazard FIRE, INJURY, or Death HazardA08221 Service Filter Size Information In. / mm Care and Maintenance Fire or Explosion HazardCleaning AND/OR Replacing AIR Filter Carbon Monoxide Poisoning Fire HazardUnit Damage Hazard Cleaning Heat ExchangerIgniter Position-Side View Sequence of Operation Cleaning Heat Exchanger CellTwo-Speed Cooling Cooling ModeThermidistat Mode Continuous Blower ModeHeat pump Wiring DiagramsTroubleshooting Wiring Diagram Troubleshooting Guide Catalog No 58PHA---03SI
Top Page Image Contents