Low Discharge Superheat alarm is appearing in System 2 of our York Chiller YCIV0590.Low Discharge Superheat alarm is appearing in System 2 of our York Chiller YCIV0590.
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The Freon is probably a bit low. When the compressor draws from the low side the extreme low pressure trips the low pressure switch, shutting down the compressor. With compressor off the pressure equalizes the low pressure switch opens and the compressor switches on. murf427
If the unit is single phasing this is not good for the compressor. Does the system have a phase monitor? If not I would suggest you put one in to save thousands of dollars on the replacement of the compressor. How is the oil level? I ask because this are not to run themselves out of oil.
hi! there;
there are several causes we can consider in tripping of unit on auxillary sensor.the sensor device was designed to cut off source at specific limit of time or load.the over load sensor device was equipted to the main source specially on cmpressor of chiller to protect of burning the motor.
common causes of tripping off unit
1.high current on supply source.you can check this on one common line of compressor.using clamp ammeter.what ever reading you got when unit is running,compare this on rated current on manuals if high ampere was registered.ther is an overload supply the over load sensor will activate and cut off your unit.
a. source of overload is due to obstruction on refrigeration system,filter dryer are clogged,excessi9ve oil on high side.
b. themostat not cycles on,due to poor condensing fan, dirty condenser fin tube,or condeser insufficient cooling effect.
c. bearing,lubrication are not maintained usually on compressor on open type unit,
2. electrical wire and electronic control board short circuited.
a.sometime relay malfunction on cantactor w/c the supply souce intermittent either on one line supplying compressor,the compressor will suffer,it will just hum and trip off,
b.busted capacitor will trip off your unit,due to in the absence of starting motor.
this are common ways unit trip off, so regards and have a nice day,and one thing more don't forget to rate me, thank's
Low Discharge Superheat alarm is appearing in System 2 of our York Chiller YCIV0590.
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