Manitowoc QF0400 Service Manual

Also see for QC0700: Installation, use & care manual Service manual Building instructions Technician's handbook

Contents

Manitowoc QF0400 Service Manual Manual pdf 72 page image

Electrical System Section 66-10 Part No. 80-1214-3Wiring Diagram Sequence ofOperationQC700/QF800Initial Start-Up or Start-Up AfterAutomatic Shut-Off1A. WATER FLUSHImmediately after placing the toggleswitch in “ICE”, the dump valvesolenoid, and gearbox are energized.After 45 seconds the dump valve de-energizes.SV3123RELAYK1GROUNDL1 L2 (N)(21)(65)CONTACTORCOIL(90)HIGHPRESSURECUT-OUT (95)RELAYK2RELAYK3RELAY K4(25)10 AMPFUSE(46)GEARMOTOR(22)(43)(56)WATER FLOATVALVE COIL(52)(22)(55)(51)DUMP VALVE COILFAN MOTOR(AIR-COOLED ONLY)(41)CONTACTORCONTACTSL1 T1C4POTENTIALRELAYRUNCAPACITORC4POTENTIALRELAYCONTACTORCOILC4POTENTIALRELAYC4POTENTIALRELAY(21)RUN CAPACITORFAN CYCLECONTROLOVERLOADCOMPRESSOR(49)RUNCAPACITORSTARTCAPACITOR(31) (62)C5 C2C1CRS(61)(45)1A. Water Flush (45 Seconds)Toggle Switch ICEBin Level Probe Open (No Ice Contact)Control Board Relays#1 Contactor Coil Open / OFFCompressor OFFCondenser Fan Motor OFF#2 Dump Valve ON#3 Gear Motor ON#4 Water Float Valve Solenoid Coil OFFRevised 8/2003Downloaded from www.Manualslib.com manuals search engine