Continental Refrigerator Undercounter Refrigerator and Freezer Pizza Preparation Table Manual De Usuario

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PROBLEM
PROBABLE CAUSE
CORRECTION
Condensing unit
1.Overload Protector.
1.See Problem # 3.
runs, but shorts
2.Thermostat.
2.Differential Must Be Widened.
cycles on:
3.High Pressure Cut-Out Due To:
3.
(a) Insufficient Air Supply
(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.
(b) Undercharge.
(b) Evacuate And Re-charge.
(c) Restriction In Expansion Device.
(c) Replace Expansion Device.
Condensing unit 
1.Shortage Of Refrigerant.
1.Fix Leak, Evacuate And Re-Charge
runs, but for 
2.Control Contacts Stuck Closed.
2.Clean Contacts Or Replace Control.
prolonged periods
3.Excessive Heat Load Placed Into Cabinet.
3.Allow Unit Sufficient Time For 
or continuous.
Removal Of Latent Heat.
4.Prolonged Or Too Frequent Door Openings.
4.Plan Or Organized Schedule To
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.Prolonged Operation On Start Cycle:
2.
(a) Low Voltage To Unit.
(a) Determine Reason And Correct.
(b) Improper Relay
(b) Replace With 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.
4.Improper Capacitor.
4.Determine Correct Size And 
Replace.
Run capacitor open,
1.Improper Capacitor..
1.Check Size And Replace.
shorted or blown.
2.Excessively High Line Voltage, Over 110% Of
2.Determine Reason And Correct.
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 # 5).
5.Loose Or Vibrating Mounting Position.
5.Remount Rigidly.
6.Incorrect Run Capacitor.
6.Replace With Proper Capacitor.
7.Loose Wiring On Relay Or Overload.
7.Tighten All Wiring Screws.
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