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Compressor Overheats

Moisture In Air Lines

C1000 Series Service & Maintenance Manual

Service and Repair

SECTION IV

Moisture In Air Lines

Clogged Air Intake Filter

Exhaust Valve

Too Much Run Time

Ambient Temperature Too High

Time Operated Purge Valve

Timers Incorrectly Set

Strainer Valve Off or Clogged

Coalescing Filter Auto-Drain

Desiccant Failure

Compressor Undersized 

Faulty Dental Unit Diaphragm

Clean or replace intake 

fi

 lter element.

Clean & Replace valve-plate.

Air leaks; compressor too small to meet demand.

Add ventilation and \ or cooling to equipment room.

Clean or replace solenoid valve assembly.

Left Timer knob “duration of purge” set at 10 seconds.

Right Timer knob “purge interval” set at 7 minutes.

Clean strainer and ensure valve is on.

Clean or replace as needed.

Replace drying chamber assembly.

Additional or larger compressor to met demand requirements.

Check Master shut-off and water relay diaphragms. 

Unpacking

Troubleshooting Chart

TROUBLESHOOTING CHART

  SYMPTOMS                               CAUSES                                    POSSIBLE REMEDY

1.800.624.2793

11

Summary of Contents for C1103

Page 1: ...D C1203 D C2106 D C2206 D C3210 C Series COMPRESSOR Copyright 2006 DCI All Rights Reserved D C1103 D C1203 D C2106 D C2206 D C3210 C Series COMPRESSOR Compressor Service Maintenance Manual 92311 Rev...

Page 2: ...1 www dcionline com www dcionline com...

Page 3: ...SERVICE REPAIR INSTRUCTIONS A Troubleshooting Chart B Electrical 1 Replacing Pressure Switch 2 Replacing Power Switch 3 Replacing Compressor Head 4 Replacing Time Operated Purge Valve C Pneumatic 1 Re...

Page 4: ...service procedures before attempting to service this machine Our unique dryer purge system operates much differently than conventional air compressors Understanding the proper operation and design wil...

Page 5: ...ons 1 Single 1 horsepower compressor head on 20 gal Horizontal tank See Fig A 2 Dual 1 horsepower compressor heads on 20 gal Horizontal tank See Fig B 3 Dual 1 horsepower heads on 30 gal horizontal ta...

Page 6: ...5 C1203 3 95 1 20 34 24 29 5 230 6 7 10 C2106 7 95 2 20 34 24 29 5 115 26 8 30 C2206 7 95 2 20 34 24 29 5 230 13 4 15 C3210 11 85 3 30 46 26 36 230 21 1 30 NOTE ALL VOLTAGES ARE 5 MODEL NUMBER MAXIMUM...

Page 7: ...ttom of the filter bowl The compressed air also travels through the coalescing filter element which removes 99 998 of all particles down to 0 01 microns A filter change indicator located on the top of...

Page 8: ...e compressor cycles off C The Left timer knob on the purge valve controls the duration of the purge cycles This timer is factory preset and should not be adjusted The factory setting is at the maximum...

Page 9: ...C1000 Series Service Maintenance Manual Theory of Oporation Theory of Operation THEORY OF OPERATION While Not Running Electrical Schematic SECTION II 1 800 624 2793 7...

Page 10: ...e element first turn off the compressor motor switches Then turn off the Dryer bypass valve as shown in Fig E With dryer bypass valve in OFF position press the TEST button on the time operated purge v...

Page 11: ...floor Check the filter screen inside the filter strainer valve as shown in Fig G If the strainer shutoff valve is on and the screen is not clogged replace the Time Operated Purge Valve with DCI part N...

Page 12: ...breaker Ensure that supply voltage matches equipment ratings Check for loose wiring Check contact points and adjust or replace Bleed pressure from system to ensure proper starting Ensure supply volta...

Page 13: ...or replace intake filter element Clean Replace valve plate Air leaks compressor too small to meet demand Add ventilation and or cooling to equipment room Clean or replace solenoid valve assembly Left...

Page 14: ...oltage indicated should agree with the machine data plate either 115 or 230 volt AC If no voltage is present check the circuit breaker Fig I Fig J ELECTRICAL If the proper voltage is present on the ou...

Page 15: ...on up position check for voltage to the compressor motor as shown in Fig K If the proper voltage is present the power switch is good If no voltage is present at the motor replace the corresponding po...

Page 16: ...embly 2 Turn OFF the strainer shutoff valve in Fig N 3 Remove the valve and replace with DCI Part Number 2011 for 230 volt machines OR DCI Part Number 2848 for 115 volt models 4 Return the strainer sh...

Page 17: ...Replace the differential filter indicator by unscrewing the entire assembly counterclockwise with a 15 16 6 point box end wrench Install the new indicator in the reverse order 3 Automatic Filter Float...

Page 18: ...er 2006 Coalescing Element 2135 Check Valve 2135 Check Valve 2014 Drying Chamber Assembly Pressure Gauge 2011 Automatic Purge Valve 230 Volt OR 2848 Automatic Puge Valve 115 Volt 2009 Strainer Shut Of...

Page 19: ...C1000 Series Service Maintenance Manual Illustrated Parts Breakdown SECTION V Unpacking Electrical Schematic 1 800 624 2793 17...

Page 20: ...ION V Unpacking Plumbing Schematic Left Motor Right Motor Check Valve Check Valve Aftercooling Tubing Coalescing Filter Condensate Drain Drying Chamber Flow Check Drying System Pressure Gauge Dryer By...

Page 21: ...1 800 624 2793 19...

Page 22: ...305 N Springbrook Road Newberg Oregon 97132 USA 503 538 8343 800 624 2793 www dcionline com...

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