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 | Operating manual 

Monitoring dryer operation

  WVM 40 -1450 

 

35

Monitoring dryer operation

Notes on specifi c operating situations

Parallel operation of several plants

The standard confi guration comprises one compressor and one dryer. Please contact the 

manufacturer if you plan a plant differing from this confi guration.

Part-load dryer operation

The dryer provides optimum performance at high loads. This is the case if the operating 

parameters match or slightly fall below the specifi ed values.

Dryer performance can degrade if the dryer often operates at part-load. Dryer performance 

increases as soon as the load is raised. 

Part-load operation can occur

◊ 

due to too low fl ow rates (< 30 % of rated value),

◊ 

by operating the plant with predried air (i.e. the relative humidity of supply compressed air 

is below 30% RH),

◊ 

due to an operating pressure that is higher than the rated pressure,

◊ 

due to a compressed air temperature that is much lower than the rated temperature,

◊ 

if several of the above conditions apply.

Summary of Contents for Zander WVM 40

Page 1: ...WVM 40 1450 Adsorption dryer Operating manual Revision 04 06_2018 EN Cod 398H271785...

Page 2: ......

Page 3: ...es 28 Connection of electrical components 29 Start up 30 Requirements for initial commissioning 30 Overview of the operating and display elements 30 Commissioning of the dryer 31 Preparation for commi...

Page 4: ...EN Operating manual 4 WVM 40 1450 Notes on error messages and errors 48 Appendix Technical Documents 49 Technical data overview of standard dryers 50 Spare parts list 52...

Page 5: ...is obliged to enter missing unit data in the above table regularly update the unit data The above device specifications are necessary to quickly identify the dryer and its compo nents and facilitate...

Page 6: ...ementary documents Supplementary documents such as operating manuals for options or pertaining components must always be heeded They contain additional information e g regarding maintenance and are th...

Page 7: ...box Note These notes provide you with hints and information on the safe and ef cient handling of machines and devices Warning These safety notes warn against damage to property and help you to avoid...

Page 8: ...operated by non qualified personnel not used within its intended design specifications is repaired or maintained incorrectly Note For your own safety and to prevent machine damage please note the inf...

Page 9: ...ly released through expansion and relief valves can lead to serious injury Hot surfaces During operation certain surfaces of the dryer reach temperatures above 120 C At insulated dryers screw connecti...

Page 10: ...a climbing aid Pipes valves and similar fittings have not been designed for such loads They could fracture tear off or become damaged in another way General safety notes For your own safety when carr...

Page 11: ...t sudden air ejection During expansion the pressure is released suddenly through the muf er A loud cracking noise occurs which can injure your hearing Particles carried in the air can injure your eyes...

Page 12: ...ng compressed air Never leave tools loose parts or cloths in at or on the dryer Following maintenance work always check all flange and bolt connections for leakage and secure seating Only use replacem...

Page 13: ...outlet valve l 7 Pressure transducer 2 Control air filter and pressure reducer 8 Vessel 3 Filler sleeve for desiccant 9 Dew point measuring chamber 4 Switch cabinet with operating panel 10 Pressure bu...

Page 14: ...se button for the safety thermostat 1 Resistance thermometer for regeneration gas final temperature 6 Suction opening for regeneration gas 2 Vacuum pump 7 Heater 3 Lashing eye 8 Expansion valve with s...

Page 15: ...wo vessels alternate between different operating modes Whilst in one ves sel compressed air is de humidified adsorption in the other vessel the humid drying agent is prepared for another charge regene...

Page 16: ...er as a low hum Expansion phase Heating phase duration several hours A vacuum pump sucks ambient air through the heater to the vessel to be regenerated The air is thereby heated by the heater The warm...

Page 17: ...via the pressure build up line The vessel can now be switched from regeneration to absorption operation Pressure build up Stand by phase for dewpoint measurement option The regenerated vessel remains...

Page 18: ...The heater Adaptation for outdoor installation The standard dryer is designed for installation in confined places and not for outdoor opera tion because the following factors affect its function and...

Page 19: ...m heat exchanger comes with an appropriate steam shut off valve In this case the scope of delivery can also comprise supplementary documents such as data sheets or supplementary operating manuals Stea...

Page 20: ...es Use these eyes to secure the unit during transport Only use suitable and technically perfect lifting gear with a sufficient carrying capacity During transportation the dryer must be carefully secur...

Page 21: ...generation and a suitable pressure dew point A higher ambient temperature or relative humidity must be specially considered when designing the dryer and recorded in the offer document if this proves t...

Page 22: ...s The dryer should be erected with sufficient clearance above to the sides and behind so that maintenance work can be carried out and the drying agent can be changed without hindrance see illustration...

Page 23: ...t the vessel top to lift the dryer Remove packaging Attach suitable lifting gear to the lifting eyes on the vessels see Item 1 on the adjacent illustration The lashing eyes Item 2 are intended to secu...

Page 24: ...se cover dryer with a tarpaulin The ambient temperature in the storage room may not be below 1 C To storage the dryer proceed as follows Decommission dryer as described on page 36 Ensure that the inle...

Page 25: ...nd storage WVM 40 1450 25 Note To recommission the dryer after prolonged storage please proceed as descri bed for initial commissioning see page 31 Store drying agents Do not store drying agents in th...

Page 26: ...requirements described here are not met This can also degrade the dryer s function For proper installation the operator must provide the following Connections and lines must be provided for compresse...

Page 27: ...o pre vent foreign objects or animals from entering the dryer The outlet line must be installed in such a way that there is no risk of injury from hot regeneration gas Rainguard when lines point upwar...

Page 28: ...o the compressed air system while heeding rated diameter and pressure The figure below shows a proper installation Compressed air system Item Component 1 Dryer 2 Humid air inlet 3 Compressed air inlet...

Page 29: ...e terminal strip the circuit diagram is attached inside the switch cabinet Connect the dryer s earth cable to the PE terminal Protect the dryer against short circuits by installing fuses to all phases...

Page 30: ...ed air can flow through the dryer Operators for the components are available Inspection to be carried out prior to commissioning all pipe cable and screw connections have been retightened none of the...

Page 31: ...ted to temperatures of over 120 C At insulated dryers screw connections might protrude from the insulation Do not touch hot surfaces Allow surfaces to cool before you carry out any work at the dryer R...

Page 32: ...pressure increase at the vessel pressure gauge see page 13 In one of the vessels the pressure must be increased until it reaches the operating pressure Compressed air inlet to the dryer Avoid abrupt...

Page 33: ...olour of the housing and extends over several cooling fins Wait until the vacuum pump is fully started Then stop the dryer The fan wheel continues rotating for a short period of time During this time...

Page 34: ...ee above Commissioning of dryer Set main switch to position I Start dryer see the operating manual for the controller The unit is now fully switched on provided that no error message is displaye How t...

Page 35: ...This is the case if the operating parameters match or slightly fall below the specified values Dryer performance can degrade if the dryer often operates at part load Dryer performance increases as soo...

Page 36: ...ve The dryer is now shut down Restart the dryer only after having eliminated all errors Stopping the dryer Please proceed as follows if no compressed air is needed at night or at weekends When the com...

Page 37: ...regenerated at the same time Depressurise the adsorbing vessel e g by opening the manual drain valve on the downstream filter Wait until the pressure on the vessel pressure gauge of the adsorbing vess...

Page 38: ...manual for the controller If necessary slowly open the compressed air inlet and outlet valves installed by the operator The dryer is now ready for operation and continuous automatic cycle If compress...

Page 39: ...maintenance work only when the plant has been shut down and depressur ised Bolt connections must be undone with care Note ram pressure values Otherwise emerging media may cause personal injury Do not...

Page 40: ...ew 42 Vacuum pump Inspect bearing and replace if necessary 44 Dust filter Check dust filter for contamination and clean if necessary 44 Desiccant Check desiccant for contamination and replace if neces...

Page 41: ...the dryer and shut it down see page Depressurising and shutting down the dryer 37 Dam pressure can be caused by a blocked muffler a malfunction of the expansion valve a leaking pressure build up valve...

Page 42: ...njure persons and damage property Silencer elements should therefore be checked annually and replaced if soiled Beware of sudden air blast Pressure suddenly escapes via the silencer during expansion A...

Page 43: ...n the actual application and might thus be extended accordingly Warning The dew point sensor is a sensitive measuring device It can be damaged if subjected to forceful vibrations or shocks Therefore p...

Page 44: ...idges and the vessels We therefore recommend that you carry out these tasks together Note In accordance with national regulations a pressure vessel inspection may be prescribed to be carried out at re...

Page 45: ...years Under favourable conditions the desiccant might not have to be replaced at that stage and can be used for longer period see also page 21 However the service life depends greatly on the contamin...

Page 46: ...t be contami nated with pollutants Please take this into account when disposing of the desiccant Notes on the disposal of used desiccant As the used desiccant is contaminated with various substances i...

Page 47: ...make sure to heed the next step Use a funnel if neces sary Unscrew the sleeve plug Make sure to compact the filling in the vessel Equip the sleeve plug with a non locking thread seal and screw in Repe...

Page 48: ...mostat V Vacuum pump Notes on error messages and errors The error message from the dryer are displayed on the operating panel The controller manual provides appropriate information You are given infor...

Page 49: ...nical Documents The appendix of this operating manual contains the following technical documents and data Technical data List of service and desiccant kits Process diagram Pneumatic diagram of the con...

Page 50: ...400 300 25 WVM 150 1500 1350 18 20 1300 470 375 25 WVM 200 1980 1782 23 70 1650 656 550 25 WVM 235 2350 2115 36 70 2000 827 750 25 WVM 300 2930 2637 36 70 2250 910 750 25 WVM 355 3550 3195 43 70 2650...

Page 51: ...g to other Typ WVM 40 WVM 1450 Fluid class according to PED 2 Supply voltage see type plate Protection class IP54 min max Operating overpressure bar see type plate Ambient temperature C 1 50 Max intak...

Page 52: ...es wear parts kit for the expansion valve V5 wear parts kit for the pressure build up valve V4 SKW410 W710 VM4 24 WVM 410 710 24 month SKW800 W1080 VM4 24 WVM 800 1080 24 month SKW1230 W1450 VM4 24 WV...

Page 53: ...50DESMIX WVM 475 WVM475DESMIX WVM 65 WVM65DESMIX WVM 525 WVM525DESMIX WVM 85 WVM85DESMIX WVM 620 WVM620DESMIX WVM 120 WVM120DESMIX WVM 710 WVM710DESMIX WVM 150 WVM150DESMIX WVM 800 WVM800DESMIX WVM 20...

Page 54: ...00W 1 Flat gasketsDN200 WVM 1230 1450 GASKIT250W 1 Flat gasketsDN250 WVM 40 355 SDD 25 AL 1 Silencers WVM 410 1080 SDD 25 AL 2 Silencers WVM 1230 1450 SDD 40 AL 6 Silencers WVM 40 1450 ZHM100 450 1 de...

Page 55: ......

Page 56: ...co MI Italy Sede Operativa Gas Separation and Filtration Division EMEA Strada Zona Industriale 4 35020 S Angelo di Piove PD Italy tel 39 049 971 2111 fax 39 049 9701911 Web site www parker com hzd e m...

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