Carrier 31KAX- Manuals

Page 2 - Step 1—Locating Unit; A. PLANNING AN INSTALLATION; Fig. 2—Dimensional Drawing; Table 1—Component Information; MODEL; Hz; Table 2—Pressure Drop At Various Airflows; CFM

See Service Guide, and Troubleshooting Flow Chart for supple-mentary information. Step 1—Locating Unit Fig. 4 shows the air cleaner in the return-air duct of various furnaceinstallations, with or without air conditioning. Other methods ofinstalling the unit are permissible if the design criteria out...

Page 3 - Step 2—Installation; Fig. 3—View of Major Components; POWER DOOR

Cabinets will support a maximum weight of 400 lbs. wheninstalled beneath a vertical furnace or air-handling unit. Whensetting furnace on cabinet, do not drop it into place. Positionfurnace correctly on cabinet to prevent a corner from slippingdown and damaging cabinet. 3. Allow minimum of 16-in. cle...

Page 4 - Step 3—Electrical Connections; Fig. 4—Typical Applications

If flanged sheet metal ducts are metal-screwed to the unitcasing, do not use screws longer than 1/2 in. Airflow across air cleaner must be uniform for best results.Install turning vanes if air cleaner is installed close to anelbow. Depending on size of furnace, it may or may not benecessary to reduc...

Page 6 - Fig. 7—Installing Baffles if Needed

Fan Coils—EAC (120v) MUST be wired to fan coil circuit boardterminals EAC 1 and EAC 2 if applicable, ONLY as shown in Fig.15. Terminals EAC 1 and EAC 2 supply 240vac. Terminal EAC 1is energized continuously. Terminal EAC 2 is energized only withthe fan motor. FINAL ASSEMBLY Kit No. KFAIR0101ACR is o...

Page 7 - Fig. 15—Fan Coils with Printed-Circuit Control Board

Fig. 13—Multispeed Direct-Drive Furnaces with Field- Supplied Sail Switch A91474 WIRENUT, FACTORY SUPPLIED 120-V FIELD WIRING POWER SUPPLY (120V-60HZ-10) BLK WHT FAN SWITCH FAN MOTOR GRD GRN BLK WHT OR YEL ELECTRONICAIR CLEANER Fig. 11—Single-Speed Furnaces A91474 WIRENUT, FACTORY SUPPLIED 120-V FIE...

Page 8 - GND HOT NEUT

Be sure all field electrical connections are tight before poweris restored to the unit. 1. Slide pre-filters and air cleaner cells into cabinet. NOTE: Units are shipped for air entering the right-hand side of the air cleaner. Reverse the position of the pre-filter and the aircleaner cells in the cab...

Page 9 - ACCR

a. Place electronic cells on sides with ionizer section down (airflow arrows pointing up) on lower rack of dishwasher. Use care to avoid damage to the collector plates when placingthe cells in the dishwasher. NOTE: For some dishwashers with a center spray arm, it may be necessary to remove the top b...

Page 10 - SERVICE GUIDE; Electrical shock can cause injury or death.; Control Board; FURNACE AND; Fig. 22—Internal Furnace Electrical Connections for; Fig. 23—EAC Terminals on Control Center

Do not splash detergent solution in eyes, and avoid prolongedcontact with skin. Keep detergent and solution out of reach ofchildren. c. Before placing cells in washing container, pour in deter- gent. Use approximately 3/4 cup per cell if container isabout size of cell. Add enough very hot water to c...

Page 11 - Step 1—Electrical Troubleshooting Guide

2. Although not lethal, high-voltage output of power supply can produce painful shock. 3. Be sure to properly ground air cleaner and its components before testing. 4. Do not touch any portion of air cleaner when energized. TOOLS AND EQUIPMENT Servicing the EAC can be accomplished with only a few too...

Page 12 - b. Use high voltage tester. Voltage output should be between; Fig. 26—Electrical Troubleshooting Flow Chart

screwdriver comes within approximately 1/8 in. of powersupply, power supply is operating properly. If no arcingoccurs, power supply is defective. Replace power supply. b. Use high voltage tester. Voltage output should be between 9000 and 11000vdc. Fig. 26—Electrical Troubleshooting Flow Chart A91482...

Page 13 - Electrical Troubleshooting Flow Chart

Electrical Troubleshooting Flow Chart PROBLEM POSSIBLE CAUSES REMEDY Operation light off Shorted cells.Defective light.Defective power supply. See Electrical Troubleshooting Guide section. Blower not operating. Energize blower. Cells wet either due to high humidity or from washing. Cells will dry. U...