Pneumatech AD Series Скачать руководство пользователя страница 2 | Manualshive

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DATE OF PURCHASE
MODEL
SERIAL NO.

Record above information from nameplate.
Retain this information for future reference.

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Содержание AD Series

Страница 1: ...Noncycling Refrigerated Air Dryers AD 750 to 4000 Series Owner s Manual 9829 2103 73 August 2009 ...

Страница 2: ...DATE OF PURCHASE MODEL SERIAL NO Record above information from nameplate Retain this information for future reference 1 ...

Страница 3: ... 7 Design Conditions 7 Start Up Procedure 7 Operating Range and Control Settings 8 Digital Dry Guard DDG Controller Operation 9 Shutdown Procedure 10 Operating Conditions 10 Maintenance 11 Air Dryer Maintenance 10 Automatic Drains 10 Compressor 13 Expansion Valve 13 Hot Gas Bypass Valve 13 Refrigerated Air Dryer Service Check List 17 Troubleshooting 18 ...

Страница 4: ...with damaged wiring or after the unit or air handling parts have been dropped or damaged in any manner Notify authorized service facility for examination repair or other adjustments 3 USE SUITABLE PARTS ACCESSORIES Do not use air pressurized accessories or parts in the air system not suitable for the maximum air pressure 4 RELEASE AIR PRESSURE SLOWLY Fast moving air will stir up dust and debris wh...

Страница 5: ...INSTALLATION INSTRUCTIONS 4 FIGURE 1 COMPRESSED AIR SYSTEMS RECOMMENDED INSTALLATION FLOW DIAGRAM ...

Страница 6: ...igh inlet temperature compressed air to the air dryer which will cause premature failures Aftercoolers must be followed by a separator and an automatic drain to remove the condensed moisture before the compressed air reaches the air dryer If the condensed water is not removed at the aftercooler separator drain it will reduce the cooling capacity of the air dryer Aftercoolers will condense approxim...

Страница 7: ... meet the national NEC and local code requirements Check the voltage specified on the nameplate to the electrical power connecting to the dryer Electrical connections must be made by a qualified electrician CAUTION SCROLL COMPRESSOR Air dryers with a scroll compressor are unidirectional and to function properly they must be phased correctly To turn the compressor clockwise use a phase sequence ind...

Страница 8: ... DRYER WITHOUT ENERGIZING THE CRANKCASE HEATER WILL CAUSE PREMATURE FAILURE OF THE REFRIGERANT COMPRESSOR Failure to comply with procedure of energizing crankcase heater before start up may void warranty 2 Check the temperature on the crankcase of the compressor to make sure the crankcase heater is working before starting the dryer 3 For water cooled Air Dryers ADW make sure the water supply Minim...

Страница 9: ...ure 25 to 33 PSIG Blue color range Refrigerant Discharge Pressure 75 to 170 PSIG Air cooled units 115 to 135 PSIG Water cooled units Refrigerant Low Pressure Switch Cut Out 20 PSIG Cut In 40 PSIG Refrigerant High Pressure Switch 250 PSIG Air cooled units 225 PSIG Water cooler units Fan Control Cut Out 110 PSIG Cut In 150 PSIG R 404a Refrigerant Suction Pressure 69 to 76 PSIG Orange color range Ref...

Страница 10: ...ME and OFF TIME 1 Press the UP or DOWN arrow keys until the LED indicates that ON TIME or OFF TIME has been selected 2 Press SELECT momentarily if unlocked or hold until the display starts flashing if locked If you do not know whether the setting is locked or not simply press the select button momentarily If the digits on the LCD display do not start flashing the setting is locked 3 Press UP or DO...

Страница 11: ... DOWN keys simultaneously This can not be done while a service due timer test is in progress SHUTDOWN PROCEDURE 1 Open the bypass valve to allow process flow to continue downstream Then close the outlet isolation valve on the dryer bypass piping 2 Close the inlet isolation valve on the dryer bypass piping At this time the dryer is isolated and can be depressurized ready for servicing 3 Turn the po...

Страница 12: ...ified range after a few minutes of start up Suction pressure below the range will cause freeze up inside the air system increasing the pressure drop across the air dryer Suction pressure above the range will reduce the refrigeration cooling capacity 5 Check the pressure drop across the air dryer at full capacity flow If it is higher than specified value normally 5 PSI or less consult factory If pr...

Страница 13: ...vailable H Assemble the valve parts 12 I Connect the solenoid coil J Install the drain valve in the system FIGURE 3 DRAIN VALVE Recommended Operation and Maintenance for the Particle Strainer The particle strainer should be cleaned once every week or as needed 1 Close the shut off valve on the particle strainer 2 Depressurize the drain by pressing the drain PRESS TO TEST or DRAIN TEST key CAUTION ...

Страница 14: ...se the suction pressure and counterclockwise to lower the suction pressure This adjustment should be made under a no load condition only When the adjustment is made turn one quarter of a turn at a time and wait 3 to 5 minutes between adjustments Once the adjustment is complete secure the adjusting stem with the locknut that is provided Careful adjustment of this valve is necessary for normal opera...

Страница 15: ...14 FIGURE 6 FLOW DIAGRAM AD 750 to 1000 ...

Страница 16: ...15 FIGURE 7 FLOW DIAGRAM AD 1200 to 2000 ...

Страница 17: ...FIGURE 8 FLOW DIAGRAM AD 2500 to 4000 16 ...

Страница 18: ...______________________________________________________ 6 Air in pressure PSIG ___________________________________________________________________________ 7 Air out pressure PSIG __________________________________________________________________________ 8 Refrigerant suction pressure when unit is operating PSIG ______________________________________________ 9 Refrigerant suction pressure when unit ...

Страница 19: ...ols open 5 Air switch open Dead end control 6 Frozen locked compressor 7 Wiring improper or loose 1 Close disconnect switch to start 2 Replace fuse 3 Turn switch off wait 15 minutes check for overload condition 4 Repair or replace 5 Check air pressure Adjust air and or switch If defective repair or replace 6 Repair or replace 7 Check wiring against diagram B Unit short cycles 1 Motor compressor ov...

Страница 20: ...efective condenser pressure switch 6 Defective fan motor 7 Fan operating in wrong direction 8 Defective water regulating valve 1 Purge or vacuum and recharge 2 Check for reason repair 3 Blow clean with compressed air 4 Cool ambient relocate unit add ventilation 5 Repair or replace 6 Replace 7 Switch two wires at disconnect 8 Adjust repair or replace H Head pressure too low 1 Refrigerant shortage 2...

Страница 21: ...ooler and or evaporator clogged 3 Incorrect piping 4 Air overload 5 Unit too small 6 Excess water in unit 7 Evaporator freeze up 8 Clogged air compressor intake filter 9 Dirty air system 1 Increase pressure 2 Back flush using mild detergent Figure 2 on Page 11 3 Increase line size and or correct piping as required 4 Reduce overload 5 Add another unit or replace with larger unit 6 Check drain repai...

Страница 22: ...21 ...

Страница 23: ...22 ...

Страница 24: ...Pneumatech 4909 70th Avenue Kenosha WI 53144 Phone 262 658 4300 Fax 262 658 1945 www pneumatech com ...

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