Continental Refrigerator 102004 Manual De Usuario
27
PROBLEM
PROBABLE CAUSE
CORRECTION
Condensing unit
1.Overload Protector.
1.See Problem # 3.
runs, but short cycles
2.Thermostat.
2.Differential Must Be Widened.
on:
3.High Pressure Cut-Out Due To:
3.
(a) Valve Leak.
(a) Check Air Supply To Condenser.
(b) Overcharge
(b) Evacuate And Re-charge.
(c) Air In System
(c) Evacuate And Re-charge.
4.Low Pressure Cut-Out Due To:
4.
(a) Valve Leak.
(a) Replace, Evacuate, And
Re-charge.
Re-charge.
(b) Undercharge.
(b) Evacuate And Re-charge.
(c) Restriction In Expansion Device.
(c) Replace Expansion Device.
Condensing unit runs
1.Shortage Of Refrigerant.
1.Fix Leak, Evacuate And Re-charge.
but for prolonged
2.Control Contacts Stuck Closed.
2.Clean Contacts Or Replace Control.
periods or
3.Excessive Heat Load Placed Into Cabinet.
3.Allow Unit Sufficient Time For
continuous.
Removal Of Latent Heat.
4.Prolonged Or Too Frequent Door Openings.
4.Plan Or Organize Schedule To
Correct Condition.
Correct Condition.
5.Evaporator Coil Iced.
5.Defrost Evaporator Coil.
6.Restriction In Refrigeration System.
6.Determine Location And Remove.
7.Dirty Condenser.
7.Clean Condenser Coil.
8.Filter Drier Clogged.
8.Replace, Evacuate And Re-charge.
Start capacitor open,
1.Relay Contact Not Opening Properly.
1.Clean Contacts Or Replace Relay.
shorted or blown.
2.Control Contacts Stuck Closed.
2.
(a) Low Voltage To Unit
(a) Determine Reason And Correct.
(b) Improper Relay.
(b) Replace Wit Correct Relay.
(c) Starting Load Too High.
(c) Correct By Using Pump Down.
3.Excessive Short Cycling.
3.Determine Reason For Short Cycle,
(See Problem # 5) And Correct.
(See Problem # 5) And Correct.
4.Improper Capacitor.
4.Determine Correct Size And
Replace.
Replace.
Run capacitor open,
1.Improper Capacitor.
1.Check Size And Replace.
shorted or blown.
2.Excessively High Line Voltage, Over
2.Determine Reason And Correct.
110% Of Rated Maximum.
Relay defective or
1.Incorrect Relay.
1.Check Relay And Replace.
blown out.
2.Incorrect Mounting Angle.
2.Remount Relay In Correct Position.
3.Voltage Too Low Or Too High.
3.Determine Reason And Correct.
4.Excessive Short Cycling.
4.Determine Reason And Correct.
(See Problem # 3)
(See Problem # 3)
5.Loose Or Vibrating
5.Remount Rigidly.
6.Incorrect Run Capacitor.
6.Replace With Proper Capacitor.
7.Loose Wiring On Relay Or Overload.
7.Tighten All Wiring Screws.
Product zone
1.Control Setting Too High.
1.Adjust T-Stat.
temperature too high.
2.Inadequate Air Circulation.
2.Rearrange Product Load To Improve
Air Circulation.
Air Circulation.
3.Dirty Condenser
3.Clean Condenser Coil.