background image

Page 13

6.2 SERVICE ‘C’ INSTRUCTIONS - Outlet valves

(Every 4 years or 24,000 hours)

REPLACING OUTLET NON-RETURN VALVES

OUTLET NON 

RETURN VALVES

OUTLET MANIFOLD

Figure C.2

M10 SOCKET 

HEAD CAP SCREWS

If the Outlet valves are not intented to be serviced, continue to page 14

1.  Ensure the dryer is shut down and fully depressurised (See page 8, section 4.1). 

2.  Remove the 8 x M10 socket head cap screws and 8 x washers to release the outlet manifold from the top 

manifold. Figure C.2 

3.  Remove 4 x M10 bolts holding the outlet flange 

4.  Remove the non return valve from the valve orifice within the top manifold and discard. 

5.  Lightly grease and insert the new non return valves into the valve orifices within the top manifold ensuring the 

valve has been insert in the correct orientation. Refer to figure C.2.1 

6.  Place the valve block to the top manifold and insert the 8 x M10 socket head cap screws and the 8 x washers 

to complete the assembly. Refer to page 19-20 and follow the correct tightening sequence when replacing the 
valve block 

7.  Refit the flange 

8.  Start up the Dryer (page 8), or continue to complete service C 

Note Flow Direction on 

the Outlet NRV

TOP MANIFOLD

Figure C.2.1

Summary of Contents for NDL-2110

Page 1: ...Maintenance Service Manual heatless desiccant air dryer revision 2021 224 document 17 100 0141 www n psi co uk...

Page 2: ...s document contact nano purification solutions limited before proceeding Read this document carefully before attempting to service the dryer General Safety For your own safety when carrying out mainte...

Page 3: ...no purification solutions inc Mommenpesch 46 D 47839 Krefeld Germany telephone 49 2151 4828 418 internet www n psi de email sales n psi de CONTENTS 1 SERVICE INTERVALS 4 1 1 SERVICE KITS 5 2 PRODUCT A...

Page 4: ...encers mufflers Applicable on all models Service B Every 2 years Replace desiccant and top cap filtration Replace top manifold gasket seals Replace exhaust valves Replace inlet valves Replace outlet v...

Page 5: ...dge and gaskets 40 110 S 2120 NDK 120 x2 40 110 S 2130 NDK 130 x2 40 110 S 3130 NDK 130 x3 40 110 S 4130 NDK 130 x4 40 110 S 6120 NDK 120 x6 40 110 S 6130 NDK 130 x6 40 110 L 2110 NDA 110 LDP x2 Low p...

Page 6: ...n valves Service C OVERHALL KITS 40 O 0000 Q NOKO 6130 024 PVKO 6130 024 EVK 6130 IVK 6130 OVK 6130 40 O 0000 S NOKO 6130 240 PVKO 6130 240 EVK 6130 IVK 6130 OVK 6130 40 O 0000 R NOKO 6130 110 PVKO 61...

Page 7: ...odel shown is an NDL 6130 Column Inlet Manifold Bottom Manifold Dryer Legs Bottom Cover Outlet Assembly Top Manifold Shroud Exhaust Manifold PLC Display Unit Purge Block Top Cover 2 PRODUCT ASSEMBLY E...

Page 8: ...hausts and is completely depressurised When fully depressurised the clicking of the exhaust valves will be heard but no air exhausted If Energy Saving enables you may need to power down the dryer wait...

Page 9: ...ve Exhaust Silencer Mufflers from the unit and discard figure A 1 3 Clean the thread and remove any sealing material debris from external exhaust elbow figure A 3 4 Apply new thread sealing material t...

Page 10: ...siccant change Every 2 years or 12 000 hours Figure B Model Shown NDL 4130 Figure B 1 REPLACING DESICCANT CONTENTS 1 Ensure the dryer is shut down and fully depressurised See Page 8 section 4 1 2 Remo...

Page 11: ...ee at the top of each column for the column cap figure B 5 15 Install a new 150mm diameter media disc onto the top of the dessicant fill and fit column caps 16 New column top caps must be installed Ca...

Page 12: ...the flow direction arrow is pointing as shown and the valve ridge details cover the spill port See figures C 1 1 and C 1 2 6 Reassemble valve block to the bottom manifold torque setting 40Nm Refer to...

Page 13: ...10 bolts holding the outlet flange 4 Remove the non return valve from the valve orifice within the top manifold and discard 5 Lightly grease and insert the new non return valves into the valve orifice...

Page 14: ...and insert the valves into the orifices within the bottom manifold ensuring the flow direction arrow is pointing as shown and the valve ridge details Fig C 3 1 cover the spill port See figure C 3 2 5...

Page 15: ...fully depressurised See page 8 section 4 1 2 Disconnect and note configuration of the tubing cables and variation between the pilot valves Normally Open and or Normally Closed 3 Remove the 4 screws t...

Page 16: ...and bottom of the shroud to open it See Figure D 1 1 4 Remove the screw from the sensor plug Figure D 2 and detach it from the dew point sensor assembly See Figure D 2 1 Figure D 1 TOP COVER SCREWS P...

Page 17: ...urfaces are clean See Figure D 3 2 7 Reattach the new or re calibrated dew point sensor and sensor block assembly to the controller chassis plate using the 2x fixing screws 8 Replace the sensor plug a...

Page 18: ...the dryer is on and running see dryer start up procedure on page 8 2 Place a magnet over the controller reset area shown for 8 10 seconds until the dryer re sets 3 Once re set the hours run counter w...

Page 19: ...MODEL S NDL 3130 MODEL S NDL 4130 29 23 5 13 22 15 8 8 7 16 32 13 21 5 5 14 15 24 27 17 3 11 20 10 1 1 1 10 26 11 19 3 3 12 9 18 25 19 2 9 18 12 4 4 4 12 28 9 17 2 2 10 11 20 31 21 7 16 24 14 6 6 6 1...

Page 20: ...E BLOCK TIGHTENING SEQUENCES MODEL S NDL 6120 NDL 6130 ALL MODELS 23 22 20 17 15 10 11 13 5 3 19 33 28 43 2 18 36 26 42 7 21 24 39 38 30 32 8 1 4 6 14 12 41 25 35 9 44 27 34 16 48 46 31 29 37 40 45 47...

Page 21: ...oint 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 distributor service department and request...

Page 22: ...ctly if there is power to the coil replace valve A correctly working valve outputs an audible click when it energises 12 Check inlet air supply Failure of dryer to cycle 13 Failure to initialise dryer...

Page 23: ...he 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 PRODUCT SERIAL NO SERVICE TYPE A B C D...

Page 24: ...2182 support n psi com www n psi com nano purification solutions st catharines ontario canada tel 1 905 684 6266 support n psi com www n psi com nano purification solutions new bethlehem pennsylvania...

Reviews: