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x series with advance micro - Sunbelt Transport Refrigeration

x series with advance micro - Sunbelt Transport Refrigeration

x series with advance micro - Sunbelt Transport Refrigeration

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2.5.3 Component Description And Locationa. Control ModuleThe control module is housed in the control box on thelower roadside (right) corner of the unit, just inside thelower roadside door. The control module containsreplaceable relays and fuses which are externallyaccessible. LEDs are located next to the three relaysplugged into the control module to indicate relayoperation. Additional LEDs indicate operation of theFETs (Field Effect Transistors).The control module includes the logic board, programmemory, FETs, PC card slot, and necessaryinput/output circuitry to interface <strong>with</strong> the unit.The logic board is located <strong>with</strong>in the control module, anddoes not contain any serviceable components.CAUTIONUnder no circumstances should anyone attempt to repair the Logic or Display boards. Should aproblem develop <strong>with</strong> either of these components, contact your nearest Carrier Transicold dealer forreplacement.CLUTCH RELAY (K3)QC5LED29F4 (7.5A)RUN RELAY (K2)QC4LED28F3 (7.5A)SPEED RELAY (K1)QC3LED27F2 (10A)GROUND STRAPRELAY POWERQC8 (12+ VDCPC CARD FAULT LED(RED)1MP (WHITE)PCCARD SLOTAUTOFRESH AIR RELAYDC CURRENTSENSORLED30 (GPR)LED31 (SSR)2MP (BLACK)6MP (DISPLAY KEYPADCIRCUIT)PC CARD STATUSLED (GREEN)5MP ( START/CRANK/GLOW CIRCUIT)MICROPROCESSORSTATUS LED(GREEN)3MP (GREY)4MP (NOT USED)QC2 (MICROPROCESSORGROUND)QC1 (SYSTEM POWER12+VDC)FET LEDsF1 (7.5A)Figure 2-14. Control Module62-106832--16

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