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Carrier AC1B Installation And Start-Up Instructions Manual
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Carrier AC1B Installation And Start-Up Instructions Manual

Carrier AC1B Installation And Start-Up Instructions Manual

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Installation and Start-Up Instructions
Electric Air Conditioner
AC1B
A92461
Fig. 1—Model AC1B
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 personal injury or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance.
The qualified installer or agency must use factory-authorized kits or accessories when modifying this product. Refer to the individual instructions
packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses and work gloves. Use quenching cloth for brazing operations. Have fire extinguisher available. Read
these instructions thoroughly and follow all warning or cautions attached to the unit. Consult local building codes and National Electrical Code
(NEC) for special requirements.
Recognize safety information. This is the safety-alert symbol
. When you see this symbol on the unit and in instructions or manuals, be alert
to the potential for personal injury.
Understand the signal word DANGER, WARNING, or CAUTION. These words are used with the safety-alert symbol. DANGER identifies the
most serious hazards which will result in severe personal injury or death. WARNING signifies hazards that could result in personal injury or death.
CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage.
WARNING: Before installing or servicing system, always turn off main power to system. There may be more than 1
disconnect switch. Turn off accessory heater power if applicable. Electrical shock can cause personal injury or death.
INSTALLATION
PROCEDURE 1—CHECK EQUIPMENT AND JOBSITE
A. Unpack Unit
Move to final location. Remove carton taking care not to damage unit.
Form: IM-AC1B-01
Cancels: New
Printed in U.S.A.
6-93
Catalog No. 92-33AC-1B1

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Summary of Contents for Carrier AC1B

  • Page 1 Installation and Start-Up Instructions Electric Air Conditioner AC1B A92461 Fig. 1—Model AC1B 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 personal injury or property damage.
  • Page 2 CANADA ″ DIA HOLE MAX FUSE DISCHARGE MAX HACR CKT-BKR MAX CKT-BKR TIEDOWN KNOCKOUTS ® ® (2) PLACES CARRIER CORP INDIANAPOLIS IN ″ DIA LIQUID TUBE CONN 313948-401 REV A 46206 DIA SERVICE LINE CONN AIR IN A92490 UNIT SIZE...
  • Page 3 10. Isolate the hangar straps from the insulation by using metal sleeves bent to conform to the shape of the insulation. If refrigerant tubes or indoor coil is exposed to atmospheric conditions for longer than 5 minutes, it must be evacuated to 500 microns to eliminate contamination and moisture in the system.
  • Page 4 ELECTRICAL JUNCTION ELECTRICAL COIL VALVE FLOW ARROW STRAIGHT IN. STUD NOTE: System flow direction must match arrow on bottom of body. A87044 Fig. 4—Solenoid Valve Installation Before making liquid tube connections, install factory-supplied solenoid valve on indoor liquid fitting. (See Fig. 4.) Be sure to use flare adapter supplied with the indoor coil when making connections.
  • Page 5 A. Route Ground and Power Wires Remove access panel to gain access to unit wiring. Extend wires from disconnect through power wiring hole provided and into unit control box. (See Fig. 2.) WARNING: According to NEC, ANSI/NFPA 70, and local codes, the cabinet must have an uninterrupted or unbroken ground, to minimize personal injury if an electrical fault should occur.

  • Page 6: Care And Maintenance

    CAUTION: Do not vent refrigerant to atmosphere. Recover during system repair or final unit disposal. CARE AND MAINTENANCE For continued high performance, and to minimize possible equipment failure, it is essential that periodic maintenance be performed on this equipment. PROCEDURE 1—BEFORE YOU REQUEST A SERVICE CALL Check the indoor and outdoor disconnect switches.
  • Page 7 TRANS THERMOSTAT SEE NOTE 2 SUBASE TRANS MIN 60VA LEAVE JUMPER ON SUBASE (RH TO RC) TO IFM LINE TO IFM LINE VOLTAGE VOLTAGE POWER POWER SUPPLY SUPPLY COND UNIT ARRANGEMENT A–COOLING ONLY ARRANGEMENT C–1 TRANSFORMER; COOLING AND 2-STAGE HEATING TRANS NOTES : 1.
  • Page 8 —8— © 1993 RESCO P.O. Box 1667, Indianapolis, IN 46206 13058r 1093 Catalog No. 92-33AC-1B1...