ZEKS HYDRONIX 20MPS, Technical Manual

Page 1: ...shen Parkway West Chester PA 19380 Phone 610 692 9100 800 888 2323 Fax 610 692 9192 Web www zeks com NOTICE Those operating the machine or performing maintenamce should read and understand the decals...

Page 2: ...R NOMENCLATURE 3 4 RECEIVING AND INSPECTION 4 5 SAFETY AND OPERATION PRECAUTIONS 5 6 PRINCIPLES OF OPERATION 6 7 INSTALLATION INITIAL START UP 9 8 SCHEDULED MAINTENANCE 13 9 TROUBLESHOOTING 16 10 SPAR...

Page 3: ...BBREVIATED WARRANTY ZEKS Hydronix desiccant dryers are warranted to be free from defects in material and workmanship for a period of 12 months from the original date of shipment from the factory To al...

Page 4: ...Pkg B H High Humidity H NEMA 4 40 P Adjustable Purge 6 Filter Pkg C M Moisture Load Control F K NEMA 4 100 Q P M 7 Filter Pkg D N M H D NEMA 12 40 R Repress Line 5 Filter Pkg E V N O Inlet Valves F N...

Page 5: ...al Arrangement drawing for the appropriate means for lifting or moving the dryer For those dryers that indicate lifting via the structural skid forks should extend all the way through the skid to redu...

Page 6: ...to observe and correct any unsafe operating conditions 5 NOTICE WARNING is used to indicate a hazardous situation which has some probability of death or severe injury Warning should not be considered...

Page 7: ...t Flow Check Valve allows air flow through to the outlet connection of the dryer while The Left Outlet Flow Check Valve meters the purge air to the regenerating tower 6 3 REGENERATION CYCLE Previously...

Page 8: ...alve is held closed so that the only source of air for regeneration passes through the purge adjustment assembly 6 6 VALVES Solenoid valves are electrically actuated valves used as the Inlet Flow Valv...

Page 9: ...in one of the dryer switching valves The Fail to Shift Alarm uses a pressure switch to monitor the pressure in each tower The SST anticipates the appropriate open and closed switch position based on i...

Page 10: ...ssed air lines to the inlet and outlet connections using piping and fittings suitable for the maximum pressure rating of the system Locate the prefilters as close as possible to the dryer Ensure the p...

Page 11: ...possibility of desiccant dusting and carryover into the air system 7 5 ELECTRICAL CONNECTION Make all electrical connections to the dryer as shown on the wiring diagram Care must be taken in connectin...

Page 12: ...secure the sensor cable to the sensor On dryers equipped with the Moisture Load Control Purge Saver option verify that the Purge Saver switch is in the off position to allow standard cycling at start...

Page 13: ...alve to gradually pressurize the down stream piping On dryers equipped with Moisture Load Control the Purge Saver switch may be turned ON to save purge air as described in Section 6 11 When opening th...

Page 14: ...higher muffler replace ment is recommended Section 8 4 Verify that prefilter and afterfilter differential pressure is within operating limits Change as required Section 8 2 SEMI ANNUAL MAINTENANCE FU...

Page 15: ...t Check to verify that the solenoid is receiving electric current at appropriate times in the cycle Burned out solenoid coil High low voltage Voltage should be 10 of nameplate readings 8 4 Muffler Cha...

Page 16: ...nt is packed into the towers which may interfere with the flow of the material from the towers Retainer screens located at the inlet and outlet piping connections of the tower are removable on all mod...

Page 17: ...ction Clean purge piping and muffler Check pressure source and system for leakage Check flowrate and cause for increased demand Correct flowrate condition Check air compressor aftercooler clean and se...

Page 18: ...ify Inlet Valve is closed to purging tower 0 psig tower Reset when right tower is on line PROBLEM Dryer fails to pressurize Dryer fails to purge Excessive back pressure in regener ating tower above 5...

Page 19: ...80938 680938 680938 680938 FTS Pressure Switch 600924 600924 600924 600924 Green Light NEMA 1 680999 680999 680999 680999 Yellow Light NEMA 1 680998 680998 680998 680998 Red Light NEMA 1 680997 680997...