Ingersoll-Rand INTELLISYS SSR Series, Руководство по устранению неисправностей

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ORIG, SG, SE: MAIN OR FAN MOTOR OVERLOAD
PLACE OVERLOAD RELAY IN MANUAL
RESET MODE
YES. DID OVERLOAD RELAY REQUIRE
RESETTING BEFORE BEING ABLE TO
RESET THE INTELLISYS CONTROLLER?
NO. POTENTIAL PROBLEM WITH WIRING FROM OVERLOAD TO CONTROLLER OR CONTROLLER.
ORIGINAL & SE INTELLISYS: VOLTAGE ACROSS CONTACT SHOULD BE 5 VDC WHEN
CONTACT IS OPEN AND 0 VDC WHEN CONTACT IS CLOSED.
(MAIN MOTOR, ORIG BTS2 10-11, SE-J1 15&16. FAN MOTOR, ORIG- BTS2 8&9. SE- J1 13&14)
SG INTELLISYS: VOLTAGE ACROSS CONTACT SHOULD BE 10-12VDC WHEN
CONTACT IS OPEN AND 0 VDC WHEN CONTACT IS CLOSED
(MAIN MOTOR P3 11&12, FAN MOTOR P3 13&14)
YES. ARE THE AMPS
HIGHER?
NO. ARE THE TEMPERATURES OF THE THREE
STARTER POLES THE SAME OR ARE THEY HOTTER
THAN 160°F? ANY SIGNS OF HOT SPOTS ON STARTER?
NO. IS THE STARTER ENCLOSURE HOTTER THAN NORMAL?
YES. CHECK FOR LOW VOLTAGE
VOLTAGE UNBALANCE
OVERPRESSURE
TIGHT AIREND
LOSS OF PHASE
STARTING UNDER A LOAD
NO. CORRECT HEATER SELECTION OR OVERLOAD SETTING.
YES. CHECK FOR BAD CONNECTIONS
AND MAKE SURE CONDUIT FROM MOTOR IS
SEALED WITH ELECTRICAL PUTTY
YES. BAD CONNECTION WITHIN THE STARTER
NO. POTENTIAL PROBLEM WITH OVERLOAD RELAY, CONTROLLER, OR RIBBON CABLE ON ORIGINAL INTELLISYS
LESS THEN 95% NOMINAL
MORE THAN 1% UNBALANCE
LOSS OF STAGE ON 2 STAGE UNIT
BLOWN FUSE
BAD CONNECTION
BURNT CONTACTOR
BLOWDOWN VALVE NOT OPEN
INLET VALVE NOT CLOSED
= OVERLOAD CONTACT OPEN FOR MORE THAN ONE SECOND.
IS THE HEATER ELEMENT OR
OVERLOAD RELAY THE PROPER SIZE?