Carrier 38CKB manual

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Table of contents for the manual

  • Page 1

    38CKB—50 Hz Air Conditioning Unit Installation and Start-Up Instructions NOTE: Read the entire instruction manual before starting the installation. SAFETY CONSIDERATIONS Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause death, personal injur[...]

  • Page 2

    3. Run refrigerant tubes as directly as possible by avoiding unnecessary turns and bends. 4. Leave some slack between the structure and the unit to absorb vibration. 5. When passing refrigerant tubes through the wall, seal the opening with RTV or other pliable silicon-based caulk. (See Fig. 3.) 6. Avoid direct lineset contact with water pipes, duct[...]

  • Page 3

    To prevent damage to unit or service valves observe the following: • Use a brazing shield. • Wrap service valves with wet cloth or use a heat sink material. SWEAT CONNECTION — Use refrigerant grade tubing. Service valves are closed from factory and ready for brazing. After wrapping the service valve with a wet cloth, the tubing set can be bra[...]

  • Page 4

    CONNECT CONTROL WIRING — Route 24-v control wires through control wiring grommet and connect to brown and blue pigtails supplied in unit splice box. (See Fig. 5.) Use furnace transformer, fan-coil transformer, or accessory trans- former for control power, 24-v/40va minimum. NOTE: Use of available 24-v accessories may exceed the mini- mum 40-va po[...]

  • Page 5

    Fig. 5—24-v Control Circuit Connections A94331 G W / W1 R C C G Y R W Y G Y R C M MOTOR POWER SUPPLY G R C C G Y R W Y W2 G R C C G Y R W Y W LLS TRANS THERMOSTAT THERMOSTAT FURNACE COOLING ONLY ONE STAGE COOLING / GAS HEATING ONE STAGE COOLING / ELECTRIC HEAT THERMOSTAT FAN COIL THERMOSTAT INDOOR UNIT ONE STAGE COOLING / HEATING ACCESSO[...]

  • Page 6

    Copyright 1994 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 38ckbc1s Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 Tab 3a 2a PC 101 Catalog No. 013-862 Printed in U.S.A. Form 38CKB-C1SI Pg 6 12-94 Replaces: New[...]