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Summary of Contents for SC80

Page 1: ...Airtek Division SMART CYCLE COLD TRAP REFRIGERATED AIR DRYERS OPERATORS MANUAL MODELS SC CT80 SC CT3000 SERVICE DEPARTMENT 1 800 451 6023...

Page 2: ...ection 5 0 SENSORS CONTROLS RELAYS Section 6 0 START UP PROCEDURE Section 6 0 ROUNTINE MAINTENANCE Section 7 0 DIAGNOSTIC CODES Section 8 0 TROUBLE SHOOTING Section 9 0 MAINTENACE SCHEDULE Section 10...

Page 3: ...ase Heate r WATTS Crankcase Heater Voltage VOLT Number of Fans Fan Motor Horse Power HP Max Amp Draw AMPS copper THHN Wire Size AWG Fuse Size AMP enter n a if not used Nema Starter Size PART Overload...

Page 4: ...ure between 50 95 F 10 35 C and free from explosive and corrosive fumes Three 3 feet 92cm of space must be allowed between all open grills walls or other objects Where ambient temperatures may periodi...

Page 5: ...zed when the refrigeration suction gauge reads between 28 to 35 PSI Plumbing the Air Lines The dryers are shipped ready to run All connections are made to the outside of the cabinet Air piping must be...

Page 6: ...a bypass line and gate valve to permit isolation of the dryer from the air system This is done to provide easy service and or removal of the dryer without interruption of air to the system Fig 2 Model...

Page 7: ...c box cover from inside unit 2 Locate the wires 3 Locate hole on side of box place and tighten connector run wires through connector 4 Using wire connectors connect Black to Hot wire White to Neutral...

Page 8: ...Section 4 0 Controls REFRIGERANT DRYER CONTROLLER FEATURES AND OPERATIONS 5 1 4 8 10 2 6 3 7 9...

Page 9: ...s The set point will change once for each time pressed If the button is pressed and held the set point will change one step per second 5 Set Button Toggles between Actual Display mode and Set Point mo...

Page 10: ...every 30 minutes independent to the float signal The 30 minute timed intercal setting can be adjusted down to 1 minute or raised up to 60 minutes if desired To adjust the drain Timed Interval setting...

Page 11: ...ter cooled units 13 High Inlet Temp Display Should not be above 100 F High inlet air temp can cause overloading of dryer If lit check compressed air after cooler and or oil cooler on air compressor 12...

Page 12: ...lay and LED alarm turns on when the dew point is 15 F above the set point This is also active during any error conditions Compressor Unloader 1 Relay CU1 FU Panel Only Turns on when the dew point is b...

Page 13: ...panel from unit 4 Some units are shipped with the refrigeration service valve tagged These tagged service valves must not be opened until the dryer is ready to be started and the main power is perman...

Page 14: ...ow introduce compressed air to the dryer 11 Check the automatic drain for proper operation Drain should open at regular intervals based on the drain control settings Clean Y Strainer after the first 8...

Page 15: ...ant charge See tag for correct refrigerant charge Unit needs to be pulled into vacuum 500 micron minimum Unit needs to be pulled into vacuum 500 micron minimum The full charge might not be accepted If...

Page 16: ...tu ua al l d de ew w p po oi in nt t f fa al ll ls s t to o 2 20 0 F F o or r l lo ow we er r U Un nl lo oa ad de er r v va al lv ve e f fa ai il li in ng g t to o o op pe en n R Re ep pl la ac ce e E...

Page 17: ...e Contact the factory for verification prior to proceeding with this maintenance item MAINTENANCE PROCEDURES Before performing any maintenance on the machine ensure that air pressure is vented from th...

Page 18: ...bonnets then need to be removed exposing the tube side of the condenser The tube side should be inspected for any debris and cleaned If soft deposits are found they can be cleaned using a pneumatic t...

Page 19: ...ated by the On Time dial Removing and reapplying power will again actuate the timing cycle Second pushing the test button will actuate the valve for as long as the button is pressed Third once the tim...

Page 20: ...Section 11 0 MAINTENANCE CHARTS Maintenance Log Date Service Performed Parts Replaced Initials...

Page 21: ...Section 11 0 MAINTENANCE CHARTS cont Element Replacement Log Part No Date Initials...

Page 22: ...Section 12 0 ASSOCIATED DRAWINGS...

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Page 38: ...om FINAL OPERATION CHECK LIST Inlet air temperature is Inlet PSIG is The dew point temperature controller reads between and Air compressor HP or Max SCFM is Is the dryer a minimum of 3 from any struct...

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