Carrier Performance 24APA Installation Instructions Manual
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Carrier Performance 24APA Installation Instructions Manual

Performance series air conditioner with puronr refrigerant 1-1/2 to 5 nominal tons (size 18 to 60)
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24APA
Performancet Series Air Conditioner
with Puronr Refrigerant
1---1/2 to 5 Nominal Tons (Size 18 To 60)
the environmentally sound refrigerant
Fig. 1 --- 24APA
NOTE: Read the entire instruction manual before starting the
installation.
Installation Instructions

TABLE OF CONTENTS

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Step 2 - - Install on Solid Pad
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Step 10- - Check OCT and OAT Thermistor Attachment
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SUBCOOLING TABLE
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24 VOLT CONNECTION DIAGRAMS
PURONR REFRIGERANT QUICK REF. GUIDE
PAGE
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3 - - 9, 14
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3 - - 4
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5 - - 7
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7 - - 8
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8 - - 9
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9, 14
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10 - - 11
11 - - 12
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15 - - 16
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2
2
3
3
3
3
8
8
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8
9
13
13
14
17

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Summary of Contents for Carrier Performance 24APA

  • Page 1: Table Of Contents

    ......11 - - 12 Fig. 1 --- 24APA FINAL CHECKS ....... . .

  • Page 2: Safety Considerations

    SAFETY CONSIDERATIONS INSTALLATION RECOMMENDATIONS Improper installation, adjustment, alteration, service, NOTE: In some cases noise in the living area has been traced to maintenance, or use can cause explosion, fire, electrical shock, or gas pulsations from improper installation of equipment. other conditions which may cause death, personal injury, or 1.

  • Page 3: Installation

    INSTALLATION 3/8- -IN. DIA. TIEDOWN KNOCKOUTS IN BASEPAN Specifications for this unit in residential new construction market (2) PLACES require the outdoor unit, indoor unit, refrigerant tubing sets, metering device, and filter drier listed in presale literature. There can be no deviation. Consult the Application Guideline and Service Manual –...
  • Page 4 Installing TXV in Place of Piston in a Rated Indoor Coil Replacing TXV on a Rated R- -22 Indoor Coil (pre- -2006) (pre- -2006) 1. Pump system down to 2 psig and recover refrigerant. 1. Pump system down to 2 psig and recover refrigerant. 2.

  • Page 5: Step 6 -Make Piping Connections

    STEP 6 —Make Piping Connections CAUTION WARNING UNIT DAMAGE HAZARD PERSONAL INJURY AND ENVIRONMENTAL Failure to follow this caution may result in equipment HAZARD damage or improper operation. Failure to follow this warning could result in personal To prevent damage to unit or service valves observe the injury or death.
  • Page 6 Install Liquid Line Filter Drier Indoor Sweat Connection CAUTION CAUTION UNIT DAMAGE HAZARD UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage Failure to follow this caution may result in equipment or improper operation. damage or improper operation. Installation of filter drier in liquid line is required.

  • Page 7: Step 7 -Make Electrical Connections

    STEP 7 —Make Electrical Connections Triple Evacuation Method The triple evacuation method should be used when vacuum WARNING pump is only capable of pumping down to 28 in. of mercury vacuum and system does not contain any liquid water. Refer to Fig.

  • Page 8: Step 8 -Compressor Crankcase Heater

    Connect Control Wiring Check to make sure the thermistor is securely attached on the liquid tube with the clip as shown in Fig. 10. Route 24- -v control wires through control wiring grommet and connect leads to control wiring. (See Fig. 13 & Fig. 14) OCT Thermistor must be Use No.

  • Page 9: Step 12 -Check Charge

    Follow these steps to properly start up the system: Major Components 1. After system is evacuated, fully open liquid and vapor Control Board service valves. The AC control board controls the following functions: 2. Unit is shipped with valve stem(s) front seated (closed) Compressor contactor operation and caps installed.

  • Page 10: Control Functions And Sequence Of Operation

    CONTROL FUNCTIONS Utility Interface AND SEQUENCE OF OPERATION With Infinity Control The outdoor unit control system has special functions. The The input labeled UTIL is active only when a communicating following is an overview of the control functions. Infinity Control is used. This input allows a power utility device to interrupt compressor operation during peak load periods.

  • Page 11: Troubleshooting

    the coil temperature routine listed above for the remainder COMPRESSOR THERMAL CUTOUT OR LOSS OF 230V of the cooling cycle. If the LPS does not close within 10 POWER minutes, then the normal LPS trip response (shut down If the control senses the compressor voltage after start- -up, and is cooling operation and generate LPS trip error) will occur.
  • Page 12 STATUS CODES between short flash and first long flash is 1.0 second. Time between code repeating is 2.5 seconds with LED OFF. Table 3 shows the status codes flashed by the amber status light. Most system problems can be diagnosed by reading the status Count the number of short and long flashes to determine the code as flashed by the amber status light on the control board.

  • Page 13: Final Checks

    THERMISTOR CURVE TEMPERATURE (DEG. F) A91431 Fig. 12 --- Resistance vs Temperature Chart Outdoor Coil Temp (OCT) Outdoor Air Temp (OAT) COMM STATUS A06314 Fig. 13 --- Single- -Stage Control Board FINAL CHECKS CARE AND MAINTENANCE IMPORTANT: Before leaving job, be sure to do the following: For continuing high performance and to minimize possible equipment failure, periodic maintenance must be performed on 1.
  • Page 14 Table 4—Required Liquid ---Line Temperature (°F) LIQUID REQUIRED SUBCOOLING TEMPERATURE (°F) PRESSURE AT SER- VICE VALVE (PSIG)
  • Page 15 Single Stage AC A06087 Fig. 14 --- Infinity Control Four- -Wire Connection Wiring Diagrams (See Thermostat Installation Instructions for specific unit combinations) A06305 LEGEND 24--V FACTORY WIRING 24--V FIELD WIRING FIELD SPLICE CONNECTION A97368 Fig. 15 --- Non- -Communicating Standard Thermostat 3- -Wire 24V Circuit Connections (See Thermostat Installation Instructions for Specific Unit combinations) CAUTION ELECTRICAL OPERATION HAZARD...
  • Page 16 TYPICAL FURNACE A/C THERMOSTAT A/C THERMOSTAT AIR CONDITIONER AIR CONDITIONER FAN COIL 24VAC HOT 24VAC COM W/W1 HEAT STAGE 1 Y/Y2 COOL STAGE 1 INDOOR FAN FIELD INSTALLED JUMPER WIRE A06304 Fig. 16 --- Non- -Communicating Standard Thermostat 2- -Wire 24V Circuit Connections (Applicable to units beginning with serial nuumber 3006E and newer) NOTE: Wiring must conform to NEC or local codes.
  • Page 17 PURONR (R- -410A) REFRIGERANT QUICK REFERENCE GUIDE S Puron refrigerant operates at 50- -70 percent higher pressures than R- -22. Be sure that servicing equipment and replacement components are designed to operate with Puron refrigerant. S Puron refrigerant cylinders are rose colored. S Recovery cylinder service pressure rating must be 400 psig, DOT 4BA400 or DOT BW400.
  • Page 18 Printed in U.S.A. Edition Date: 06/ 06 Copyright 2006 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Replaces: 24APA- -2SI Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

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