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Emerson AE8-1385 manual

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Table of contents for the manual

  • Page 1

    1 © 201 1 Emerson Climate T echnologies Printed in the U.S.A. AE8-1385 Application Enginee ring BULLE TIN Application Enginee ring BULLE TIN Safety Safety Instructions ................................................................. 2 Safety Icon Explanation ........................................................ 2 Instructions Pertaining to Ris[...]

  • Page 2

    2 © 201 1 Emerson Climate T echnologies Printed in the U.S.A. AE8-1385 Application Enginee ring BULLE TIN Safety Instructions Copeland Scroll ® compressors with CoreSense ™ Diagnostics technology are manufactured according to the latest U.S. and European Safety Standards. Particular emphasis has been placed on the user's safety . Safey ico[...]

  • Page 3

    3 © 201 1 Emerson Climate T echnologies Printed in the U.S.A. AE8-1385 Application Enginee ring BULLE TIN ELECTRICAL SHOCK HAZARD • Disconnect and lock out power before servicing. • Discharge all capacitors before servicing. • Use compressor with grounded system only . • Molded electrical plug must be used when required. • Refer to origi[...]

  • Page 4

    4 © 201 1 Emerson Climate T echnologies Printed in the U.S.A. AE8-1385 Application Enginee ring BULLE TIN INTRODUCTION Overview CoreSense ™ Diagnostics is a breakthrough innovation for troubleshooting residential air conditioning and heat pump systems. The CoreSense Diagnostics module is easily installed in the unit electrical panel near the com[...]

  • Page 5

    5 © 201 1 Emerson Climate T echnologies Printed in the U.S.A. AE8-1385 Application Enginee ring BULLE TIN OPERA TION Compressor Protection The CoreSense Diagnostics module utilizes proprietary algorithms to protect the compressor and system from repeated trips of system pressure controls and the compressor internal overload. The protection termina[...]

  • Page 6

    6 © 201 1 Emerson Climate T echnologies Printed in the U.S.A. AE8-1385 Application Enginee ring BULLE TIN off. This event will cause a lockout of the compressor and indicates that the module is mis-wired or the contactor coil is shorted to ground. NOTICE Code 10 is not speci fi ed on the module label. Resetting Alert Codes When the CoreSense Diag[...]

  • Page 7

    7 © 201 1 Emerson Climate T echnologies Printed in the U.S.A. AE8-1385 Application Enginee ring BULLE TIN ALERT TRIP / LOCK POWER 1 Long Run Time 2 Compressor (Pressure) Trip 3 Pressure Switch Cycling 4 Locked Rotor 5 Compressor (Mod Run) Trip 6 Open Start Circuit 7 Open Run Circuit 8 Welded Contactor 9 Low Voltage DC SOL operating range: 18-28VDC[...]

  • Page 8

    8 © 201 1 Emerson Climate T echnologies Printed in the U.S.A. AE8-1385 Application Enginee ring BULLE TIN 2- S t a g e Th e rmo s tat I ndoor Uni t O utdoor Uni t C R Y1 Y2 C R L Y Y2 L DC So l en o i d S ole noi d CoreSense Hi gh / Low Pr essu re S wi t ch CC C o m p r esso r Conta c t or C R Y1 Y2 L C R Y1 Y2 L Prot Figure 4 Wiring Diagram[...]

  • Page 9

    9 © 201 1 Emerson Climate T echnologies Printed in the U.S.A. AE8-1385 Application Enginee ring BULLE TIN Alert Code Alert Condition Lockout Level Lockout Indication Normal Run Solid Green Normal operation, no trip. N/A N/A Code1 Y ellow Flash 1 Long run time. Compressor is running for more than 18 hours at full load. (Code1 is disabled in Heat Pu[...]

  • Page 10

    10 © 201 1 Emerson Climate T echnologies Printed in the U.S.A. AE8-1385 Application Enginee ring BULLE TIN Status Description T roubleshooting Information Solid Green “RUN” Module has power and operating normally Supply voltage is present at module terminals Solid Red “TRIP” Thermostat demand signal Y is present, but the compressor is not [...]

  • Page 11

    11 © 201 1 Emerson Climate T echnologies Printed in the U.S.A. AE8-1385 Application Enginee ring BULLE TIN Y ellow “ALERT” Flash Code 4 Locked Rotor 1. Run capacitor has failed 2. Low line voltage (contact utility if voltage at disconnect is low) • Check wiring connections 3. Excessive liquid refrigerant in compressor 4. Compressor bearings [...]

  • Page 12

    12 © 201 1 Emerson Climate T echnologies Printed in the U.S.A. AE8-1385 Application Enginee ring BULLE TIN Red “LOCKOUT” Flash Code 5 Y ellow Off Compressor (Moderate Run) T rip Compressor is locked out after 4 consecutive or 10 total compressor (moderate run) trip events 1. Evaporator blower is not running • Check blower relay coil and cont[...]