York MCC-MCH 09 Installation Manual

Contents

York MCC-MCH 09 Installation Manual Manual pdf 20 page image

20FLOOR/CEILINGDIAGNOSTIC INFORMATION FUNCTIONX = ON, O = OFF, F-1 = ON : 0.5 sec, OFF : 0.5 secF-2 = ON : 1.5 sec, OFF : 0.5 secF-3 = ON : 0.5 sec, OFF : 1.5 secNotes1) In emergency mode, the Power light will flash and the other lights will indicate the operation as above.2) Lights will flash during the time that the units is held off, due to Low Voltage. If the voltage has passed throughthe reset voltage and the unit is waiting for the time delay, the lights will go to normal operation.3) The lights will show the LED Diagnostic Code even when the unit is off.Status Power Timer Operation ModeOFF(with power on) O O O Normal OperationON (Temperature satisfied) X O O Normal OperationWaiting for delay X F-1 O Normal OperationCompressor started X O X Normal OperationSleep mode X X X/O Normal OperationStart timer set X F-2 X/O Normal OperationStop timer set X F-3 X/O Normal OperationLow HP temp < 20°C X O F-1 ProtectionCoil temp > 40°C (cooling) X O F-2 ProtectionOverheat > 62°C (heating) X F-1 F-1 ProtectionAnti Freeze X F-2 F-2 ProtectionLow voltage F-2 O O ProtectionSensor fail F-1 O F-1 Reset-Call Service TechnicianCooling fail F-2 O F-2 Reset-Call Service TechnicianHeating fail F-3 O F-3 Reset-Call Service TechnicianEmergency operation F-3 Note 1 Note 1 OperationalTest operation F-1 F-1 F-1 OperationalFilter F-3 F-3 F-3 ProtectionTrouble Shooting Guide (continued)