Table of Contents
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24ANA
Infinityt Series Air Conditioners with PuronR
Sizes 24 To 60
2 To 5 Nominal Tons
Fig. 1 --- 24ANA
NOTE: Read the entire instruction manual before starting the
installation.
Unless otherwise noted, information in these installation
instructions pertain to both 24ANA1 and 24ANA7 series units.
Information that is unique to the 24ANA7 series will be identified
as such; likewise information that is unique to the 24ANA1 series
will also be identified.
Installation Instructions
A05176
TABLE OF CONTENTS
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Step 2 - - Install on Solid Pad
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Step 10 - - Make Airflow Connections
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Step 12 - - System Functions and Seq. of Operation 10 - - 11
TROUBLESHOOTING
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PURON REFRIGERANT QUICK REF. GUIDE
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Table of Contents
Related Manuals for Carrier Infinity 24ANA
Summary of Contents for Carrier Infinity 24ANA
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Page 1: Table Of Contents
....... . . Fig. 1 --- 24ANA CARE AND MAINTENANCE . -
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 NOTE: Avoid contact between tubing and structure OUTDOOR WALL INDOOR WALL CAULK LIQUID TUBE VAPOR TUBE INSULATION THROUGH THE WALL JOIST HANGER STRAP (AROUND VAPOR INSULATION TUBE ONLY) VAPOR TUBE TIEDOWN KNOCKOUT LOCATIONS UNIT BASE PAN DIMENSIONS 28- - 3/4 1”... - Page 4 10 O’CLOCK CAUTION 2 O’CLOCK SENSING BULB UNIT OPERATION HAZARD STRAP Failure to follow this caution may result in equipment damage or improper operation. All indoor coil units must be installed with a hard shut off balance port Puron TXV metering device. SUCTION TUBE 8 O’CLOCK 4 O’CLOCK...
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Page 5: Step 6 -Make Piping Connections
STEP 6 —Make Piping Connections CAUTION WARNING UNIT DAMAGE HAZARD PERSONAL INJURY AND ENVIRONMENTAL HAZARD Failure to follow this caution may result in equipment damage or improper operation. Failure to follow this warning could result in personal injury or death. To prevent damage to unit or service valves observe the following: Relieve pressure and recover all refrigerant before... - Page 6 Table 1—Refrigerant Connections and Recommended Liquid and Vapor Tube Diameters (In.) RATED VAPOR LIQUID (up to 80 ft. T.E.L) UNIT SIZE Connection Tube Connection Tube Diameter Diameter Diameter Diameter 24ANA724 24ANA736 24ANA748 24ANA760 1- - 1/8 24ANA124 24ANA136 24ANA148 24ANA160 1- - 1/8 Notes: 1.
- Page 7 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 Failure to follow this caution may result in equipment damage damage or improper operation. or improper operation. While brazing, service valves must be wrapped in a Installation of filter drier in liquid line is required.
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Page 8: Step 7 -Make Electrical Connections
STEP 7 —Make Electrical Connections TRIPLE EVACUATION METHOD The triple evacuation method should only 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 ELECTRICAL SHOCK HAZARD Fig. -
Page 9: Step 8 -Compressor Crankcase Heater
STEP 11 —Start- -Up CONNECT CONTROL WIRING Route low- -voltage control wires through control wiring grommet CAUTION and connect leads to control board. For 24ANA1 models, connect to Infinity connections ABCD only. Standard non- -communicating thermostats are not allowed UNIT OPERATION AND SAFETY HAZARD unless it is an emergency that User Interface is not working Failure to follow this caution may result in minor personal properly and new User Interface is not available. - Page 10 NOTE: 24ANA7 series only, using non- -communicating COMMUNICATION AND STATUS FUNCTION LIGHTS (non- -Infinity) Carrier electronic thermostats are equipped with a For Infinity Control Only, Green communications (COMM) 15- -minute staging timer. This timer prevents the two- -stage Light system from at high stage until unit has been operating in low A green LED (COMM light) on the outdoor board (see Fig.
- Page 11 TIME DELAYS LOW AMBIENT COOLING The unit time delays include: If this unit will be required to operate below 55_F outdoor temperature, provisions must be made for low ambient operation. Five minute time delay to start cooling or heating Infinity Controlled low ambient cooling: operation when there is a call from the thermostat or user interface.
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Page 12: Step 13 -Check Charge
STEP 13 —Check Charge TROUBLESHOOTING UNIT CHARGE SYSTEMS COMMUNICATION FAILURE Factory charge and charging method are shown on unit If communication with the Infinity Control is lost with the user information plate. Charge Puron refrigerant units with cylinder in interface, the control will flash the appropriate fault code. (See inverted position and a commercial- -type metering device in Table 5) Check the wiring to the User Interface, indoor and manifold hose. - Page 13 24ANA7 MODELS, COMPRESSOR THERMAL CUTOUT TROUBLESHOOTING 24ANA7 UNITS FOR PROPER SWITCHING BETWEEN LOW & HIGH STAGES The control senses the compressor voltage at VR and VS. When starting or running, a phase difference of the voltages on the Check the suction and liquid pressures at the service valves. inputs will indicate the thermal protector is closed.
- Page 14 TEMPERATURE THERMISTORS THERMISTOR SENSOR COMPARISON Thermistors are electronic devices which sense temperature. As The control continuously monitors and compares the outdoor air the temperature increases, the resistance decreases. Thermistors temperature sensor and outdoor coil temperature sensor to ensure are used to sense outdoor ambient (OAT) and coil temperature proper operating conditions.
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Page 15: Final Checks
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. Ensure that all wiring is routed away from tubing and this equipment. - Page 16 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 5 shows the status codes flashed by the amber status light. Count the number of short and long flashes to determine the Most system problems can be diagnosed by reading the status appropriate flash code.
- Page 17 VARIABLE SPEED THERMIDISTAT 80% NON-CONDENSING FURNACE TWO-STAGE CONTROL FK4, FV4 AIR CONDITIONER MODEL RH FAN COIL THERMIDISTAT BOARD CONTROL MODEL RH HEAT STAGE 2 O/W2 REMOVE J2 JUMPER TWO-STAGE FURNACE FOR HEAT STAGING AIR CONDITIONER COOL STAGE 1 Y1/W2 HEAT STAGE 1 W/W1 BOARD O/W2...
- Page 18 Printed in U.S.A. Edition Date: 03 / 06 Copyright 2006 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Replaces:24ANA- -1SI Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.