ZEKS CFX NC Series Technical Manual Download | Manualshive

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Summary of Contents for CFX NC Series

Page 1: ...16 8 SCHEDULED MAINTENANCE 19 9 TECHNICAIN MODE 22 10 TROUBLESHOOTING 25 11 WIRING DIAGRAMS 27 12 GENERAL ARRANGEMENT 31 13 PARTS IDENTIFICATION 32 14 ENGINEERING SPECIFICATIONS 35 ZEKS Compressed Ai...

Page 2: ...e Warranty Registration Card may be completed online at www zeks com The total warranty period cannot exceed 18 months from the original date of shipment from the factory Equipment must be installed a...

Page 3: ...of all other warranties There are no other warranties expressed or implied except as stated herein There are no implied warranties of merchantability or fitness for a particular purpose which are spe...

Page 4: ...uld any person attempt to lift heavy objects without proper lifting equipment i e crane hoist slings or fork truck Lifting any unit without proper lifting equipment may cause serious injury To facilit...

Page 5: ...erate the dryer at pressures in excess of its rating 8 Do not operate the dryer without guards shields and screen in place 9 Inspect unit daily to observe and correct any unsafe operating conditions T...

Page 6: ...trainer la mort Ne pas exc der le taux de pression Rel cher la pression avant la mise en service de l appareil Ne pas modifier r parer ou retravailler Le taux de pression des vaisseaux est conforme au...

Page 7: ...cation See Attached Terminal Connection Diagram Be Certain To Follow All NEC State Local and Other Applicable Codes During Installation Label Group 2 Page 1 of 2 File ZEKSLABELGROUP2 1 LA BO TE DE CON...

Page 8: ...hot saturated air from the compressor enters the precooler reheater where the air temperature is reduced prior to entering the chiller by the cool air exiting the air moisture separator This precoolin...

Page 9: ...uency is required A longer valve off time may be used during the winter months when moisture levels are lower 6 4 REFRIGERATION SYSTEM The Refrigeration System consists of all the components which han...

Page 10: ...ted for 2A 120V max The DPC Controller features three levels of access The default level CUSTOMER MODE permits adjustment of dryer parameters to address seasonal variations for drain timing A protecte...

Page 11: ...ose at 270 psig The DPC controller includes a digital readout for monitoring the discharge pressure of the refrigerant gas exiting the compressor This reading will vary depending upon condenser type a...

Page 12: ...isplayed as the default display Allows user to increase set point values Set point values cycle through a fixed range Also allows entering negative numbers in FACTORY MODE TEST Allows user to manually...

Page 13: ...tion pressure in psig of the refrig eration system DPC Plus Only Inlet Air Pressure and Temperature P AIR IN T AIR IN Displays the tempera ture in F and pressure in psig of the inlet compressed air DP...

Page 14: ...DPC Controller has several user adjustable set points that are displayed at the end of the display parameter list These set points allow the user to configure the dryer to operate according to site co...

Page 15: ...Note that this alarm will shut down the dryer after a response time delay This alarm will reset automatically once the alarm condition is rectified HIGH PRESSURE CUTOUT ALARM HI PRESS CO If the disch...

Page 16: ...followed by the PRESS ON BUTTON display After the ASC delay has timed out the dryer will only start once the ON button is depressed In this configuration to restart the dryer the user must manually d...

Page 17: ...ended Prefilters and afterfilters sized to your drying application can be provided by ZEKS and are available factory installed Call your local distributor to select the filter that best suits your fil...

Page 18: ...and appropriate Wiring Diagrams A suitable fused disconnect switch or circuit breaker in accordance with national and local code requirements is recommended for all ZEKS equipment Refer to the Enginee...

Page 19: ...Y using the SET button enables this mode of operation Note that the dryer s touch pad will still affect dryer operation Depressing the OFF button will de energize the refrigeration compressor and all...

Page 20: ...equired Remote Automatic Mode Close the remote contact For NonCycle dryers after the initial delay has timed out the compressor is energized The suction pressure gauge will typically pull down between...

Page 21: ...the valve is depressurized Carefully remove the Strainer End Cap and remove the Strainer Clean the Strainer and remove any debris that is evident in the valve Replace the Strainer and reinstall the S...

Page 22: ...ilure to the seals will occur Be especially careful to clean the center brass orifice and the rubber gasket orifice on the orifice cup with a straight pin Reassemble all drain components after the dra...

Page 23: ...hours AUTO RESTART ENABLE AUTO RESTART N or Y Parameter Display Set Point OPERATING MODE OP MODE HS or NC REFRIGERANT REFRIG 22 or 404 or 407 CONDENSER TYPE COND AC OR WC OPERATING TEMPERATURE DIFFER...

Page 24: ...arameter for the Auto Restart feature AUTO RESTART N SELECT DISPLAY The DRAIN ENABLE parameter determines whether the DPC shall control an electronic solenoid drain valve A value of ON will permit the...

Page 25: ...M LIST screen at the top of the ALARM LIST BEGIN ALARM LIST SELECT DISPLAY The Alarm List will repeat as long as the SELECT DISPLAY button is depressed To EXIT the ALARM LIST perform the following Dep...

Page 26: ...DRAIN TEST contact distributor Check inlet and outlet pressures and system design capacity Correct cause of excessive flow Close by pass valve Check power supply and fuses circuit breakers Check and...

Page 27: ...nd outlet filters blocked up Compressor relay contactor stuck DPC relay bad Probe not completely in thermal well Problem persists CORRECTIVE ACTION Check Chiller Temperature Check MAIN CONTROL fuse Co...

Page 28: ...27 11 WIRING DIAGRAMS...

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Page 32: ...31 12 GENERAL ARRANGEMENT...

Page 33: ...NCE 700 NCE 800 NCE 1 Exchanger Assy 748065 748069 748056 748056 2 Solenoid Drain Valve 682657 682657 682657 682657 3 Drain Valve Repair Kit 683006 683006 683006 683006 4 Filter Stop 682438 682438 682...

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