Ingersoll-Rand INTELLISYS SSR Series, Руководство по устранению неисправностей, Страница: 18 / 50

17
YES. IS COOLANT LEVEL CORRECT?
NO. CORRECT COOLANT AND TRY AGAIN
YES. SUSPECT PROBLEM WITH COOLANT STOP VALVE
CHECK WIRING AND VALVE OPERATION (SEE
PROCEDURE 2.6)
IS THIS THE ORIGINAL INTELLISYS CONTROLLER?
NO. ANY CONTROLLER
INCLUDING?
THE ORIGINAL INTELLISYS
YES. IS AIREND DISCHARGE TEMPERATURE GREATER THAN
210°F AT TIME OF SHUTDOWN?
NO. SEE PAGE 18
DO 1S AND 1M ENGERIZE WHEN
THE START BUTTON IS PRESSED?
NO. POTENTIAL PROBLEM WITH TRIAC ON STARTER INTERFACE BOARD,
CONTROLLER
YES. DOES THE UNIT SHUT DOWN 2-3
SECONDS AFTER 1S AND 1M ENERGIZED?
YES. POTENTIAL PROBLEM WITH WIRING OR AUXILIARY CONTACTS 1Ma OR 1Sa
SE & ORIGINAL INTELLISYS: VOLTAGE ACROSS CONTACT SHOULD BE 5 VDC WHEN
CONTACT IS OPEN AND 0 VDC WHEN CONTACT IS CLOSED.
SG INTELLISYS: VOLTAGE ACROSS CONTACT SHOULD BE 10-12 VDC WHEN
CONTACT IS OPEN AND 0 VDC WHEN CONTACT IS CLOSED.
SEE PARAGRAPH 2.6
NO. DOES 1S DE-ENERGIZE AND 2M
ENERGIZE AT TRANSITION (10 SEC)?
NO. POTENTIAL PROBLEM WITH TRIAC ON STARTER INTERFACE BOARD, CONTROLLER,
1S CONTACTOR STICKING OR AUXILIARY CONTACT 1Sc OR 1Sd.
YES. POTENTIAL PROBLEM WITH WIRING OR AUXILIARY CONTACTS 1Sa OR 2Ma
SE & ORIGINAL INTELLISYS: VOLTAGE ACROSS CONTACT SHOULD BE 5 VDC WHEN
CONTACT IS OPEN AND 0 VDC WHEN CONTACT IS CLOSED.
SG INTELLISYS: VOLTAGE ACROSS CONTACT SHOULD BE 10-12 VDC WHEN
CONTACT IS OPEN AND 0 VDC WHEN CONTACT IS CLOSED.
SEE PARAGRAPH 2.6
ORIG, SG, SE:
STARTER FAULT
YES. DOES UNIT SHUT DOWN IN LESS
THAN 12 SECONDS AFTER START-UP?