Ingersoll-Rand TS10A, Руководство по эксплуатации и обслуживанию

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12.0 FAULT FINDING
TS1A–13A
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12.1 GENERAL FAULTS
WARNING
When attempting to identify and remedy any fault or failure, ensure it is only attempted by qualified personnel and that the safety and maintenance
sections of this manual have been read and are fully understood and followed. Major overhauls should only be carried out by a qualified Ingersoll Rand
representative. Failures caused by fitting parts not recommended by Ingersoll Rand or non–authorized Ingersoll Rand personnel may not be covered
by the terms of any warranty agreement
SYMPTOM FAULT
REMEDY
DANGER! – DO NOT ATTEMPT ANY REPAIR UNLESS YOU HAVE PROPER ELECTRICAL TRAINING, QUALIFICATIONS, AND
EQUIPMENT!
Dryer will not start No power supply to package or loose
connection Check supply is switched on.
connection
Check for correct voltage at contactor and power terminals.
Emergency stop switch has been pressed Reset switch.
Both high and low evaporator temperature
lights energized Sensor in evaporator (2AT) well is open/short circuited – replace
sensor.
Defective transformer Check voltage to primary side of transformer – no voltage at primary,
check wiring.
Check for 115 volts at secondary side of transformer – no voltage at
secondary, replace transformer.
Defective compressor contactor (1M) Check for 115 volts at contactor coil – replace if contacts are open.
1OL compressor overload tripped
Check trip set point. Reset overload.
Dryer is over charged, or has not been charged with refrigerant as a
liquid.
Fan is not operating properly
High refrigerant temperature
Local ambient temperature, inlet temperature, or air load too high.
Confirm dryer size for application.
Remove power and check 1RTS high temperature switch for
continuity below 87
_
C (189
_
F) sensor temperature – replace if open.
Check 2RTS superheat switch for attachment/function.
Refrigerant leak.
Fan is not operating properly.
Allow unit to cool (this may take 2–4 hours) and try to restart.
High refrigerant pressure switch (1RPS)
tripped Local ambient temperature, inlet temperature, or air load too high.
Confirm dryer size for application.
Dryer package filters are dirty – replace filter element(s).
Condenser coil is dirty – clean coil.
Remove power and check 1RPS high pressure switch for continuity
below 23 barg (335 psig) – replace if open.
Dryer is over charged, or has not been charged with refrigerant as a
liquid.
Fan is not operating properly.
Intellisys controller failure Check fuses 1 FU, 2FU & 3FU and power supply to controller –
replace controller if 115 volts is present at J1–1 and J1–2 and no
controller lights function.