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MAINTENANCE & SERVICE MANUAL

D1 SERIES

HEATLESS COMPRESSED AIR DRYER

www.n-psi.co.uk

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Summary of Contents for D1 Series

Page 1: ...MAINTENANCE SERVICE MANUAL D1 SERIES HEATLESS COMPRESSED AIR DRYER www n psi co uk...

Page 2: ...Page 2 Document issued created checked revision 17 100 0115 08 06 2015 NMc 1 17 100 0115 13 08 2018 CK 2...

Page 3: ...tlet manifold service 9 Service A Desiccant cartridge replacement 10 Service A Inlet manifold service 11 12 8 Service B Exhaust valve replacement 13 14 9 Service C Outlet valve replacement 15 16 10 Re...

Page 4: ...dryer The procedures illustrated in this document are only to be performed by fully trained competent authorised personnel For further information regarding the procedures outlined in this document c...

Page 5: ...er damage has occurred to the external packaging and if the damage extends to the product inside If there is damage to a product contact the relevant supplier immediately In no circumstances must a da...

Page 6: ...rs 24000 Hrs 6 Years 36000 Hrs 8 Years 48000 Hrs 10 Years 60000 Hrs 12 Years 72000 Hrs A P P P P P P B P P P DRYER MODEL REQUIRED SERVICE KITS Service A Service B Service C NDL 010 NDK 010 NDK 010 NVK...

Page 7: ...0 050 TOP COVER OUTLET TOP MANIFOLD ASSEMBLY DESICCANT CARTRIDGES DRYER CONTROLLER DRYER SHROUD DRYER COLUMN INLET BOTTOM MANIFOLD ASSEMBLY DRYER LEGS EXHAUST VALVES SILENCER ASSEMBLY CONTROLLER COVER...

Page 8: ...exhaust valves will be heard but no air exhausted When the dryer is fully depressurised isolate from the power supply TERMINAL SCREW DRIVER ALLEN KEY 3mm ALLEN KEY 4mm ALLEN KEY 6mm ALLEN KEY 8mm TOR...

Page 9: ...he 3x O rings sat on the underside of the purge block refer to figure 4 page 11 6 Insert the new O rings from the service kit provided and replace into the grooves on the underside of the purge block...

Page 10: ...ove the 4x M4 long cap head screws and washers from the valve block only to retain the exhaust valves in position 13 Remove the 2x M6 long cap head screws to release the valve block from the inlet man...

Page 11: ...8 and follow the correct tightening sequence 23 Place the manifold assembly back onto the dryer and insert the 2x M6 long cap head screws through the valve block tightening at a torque setting of 5Nm...

Page 12: ...p head screws at torque setting of 3Nm Refer to page 18 for the correct tightening sequence 33 Replace the outlet top manifold assembly back on top of the dryer column and secure with the 2x M6 long a...

Page 13: ...VE SOLENOIDS 1 Ensure the dryer is shut down and fully depressurised before attempting any maintenance work See page 7 8 2 Remove the solenoid plugs by removing the plug screws and pulling the plug fr...

Page 14: ...hragms from the inlet manifold See figures 4 5 5 Replace the 2x diaphragms and 2x ex haust valve bodies from the service kit 6 Insert the 8x M4 socket head screws and 8x washers and tighten to a torqu...

Page 15: ...release the top cover and lift from assembly See figure 1 3 Remove the controller top over by removing the 4x screws See figure 2 4 Remove the plug screw and detach the plug from the sensor See figure...

Page 16: ...detach the sensor from the bracket See figure 5 7 Unscrew the dew point sensor from the sensor block and replace it with the new or re calibrated sensor See figure 7 8 Re attach the dew point sensor...

Page 17: ...see dryer start up procedure on page 19 2 Place a magnet over the controller reset area shown in Figure 1 for 8 10 seconds until the dryer re sets See Figure 1 3 Once re set the hours run counter will...

Page 18: ...Page 18 11 MANIFOLD TIGHTENING SEQUENCE Outlet top manifold Inlet bottom manifold 1 2 3 4 5 6 7 8 9 10 11 13 12 14 1 2 3 4 5 6 7 8 9 10 11 12 18 13 15 14 17 16...

Page 19: ...device must be set to prevent the maximum working pressure of 16 barg 232 psig from being exceeded 13 SYSTEM LAYOUT 13 1 Typical installation D1 Series Connect to mains power Connect all pipe work en...

Page 20: ...Page 20 14 PROCESS INSTRUMENTATION DIAGRAM 14 1 NDL 010 050 Water Separator...

Page 21: ...he dew point is not achieved the dewpoint reading on the display will alternate with dewpoint alarm every 5 seconds The no volt alarm will also activate Contact the service department and request a pr...

Page 22: ...t panel is illuminated check the dryer is cycling correctly 3 Moist or contaminated desiccant 3 Eliminate the cause of contamination Replace cartridges do not re use 4 Too high air consumption 4 Ensur...

Page 23: ...e following table allows the customer to document the service history of the product and to make notes related to each service DRYER SERVICE RECORD PRODUCT CODE P PRODUCT SERIAL NO SERVICE TYPE A B C...

Page 24: ...Page 24 NOTES...

Page 25: ......

Page 26: ...nano purification solutions limited Dukesway Team Valley Trading Estate Gateshead Tyne and Wear United Kingdom NE11 0PZ Telephone 44 0 191 497 7700 Internet www n psi co uk E mail sales n psi co uk...

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