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TABLE OF CONTENTS

1.  

IMPORTANT SAFETY NOTES - Please read ........  

6

1.1.   Transportation  .............................................................  

6

1.2  

Positioning  ................................................................... 

6

1.3    Installation  ....................................................................  

6

1.4    Before operating  ........................................................  

6

1.5  

Qualified service personnel  ....................................  

7

1.6  

Maintenance by the user  .........................................  

7

2.

  

INTRODUCTION TO THE MH-US DRYER ............  

7

3.

  

OPERATION ..................................................................  

11

4.

  

ELECTRICAL CONTROLLER ...................................  

13

4.1 

Digi-Pro ......................................................................... 

13

5. 

TECHNICAL SPECIFICATIONS.................................

16

6. 

DIAGRAMS..................................................................... 

17

6.1

 

Air Flow Diagrams.......................................................  

18

6.2

 

Electrical Diagrams.....................................................  

24

6.3

 

Electrical Diagrams.....................................................  

26

7.

  

GENERAL ARRANGEMENTS..................................... 

34

 

8.

 

EXPLODED DIAGRAMS ............................................. 

34

9.

  

COMPONENTS LOCATION ..................................... 

48

10. 

TROUBLESHOOTING ................................................ 

49

11. 

 WARRANTY  ..................................................................  

51

Summary of Contents for mikropor MH-US Series

Page 1: ...RESSED AIR DRYERS MH US SERIES MH US 10 to MH US 100 INSTRUCTION MANUAL WARRANTY NOTICE Failure to follow the instructions and procedures in this manual or misuse of this equipment will VOID its warra...

Page 2: ...Page 2...

Page 3: ...ersonnel 7 1 6 Maintenance by the user 7 2 INTRODUCTION TO THE MH US DRYER 7 3 OPERATION 11 4 ELECTRICAL CONTROLLER 13 4 1 Digi Pro 13 5 TECHNICAL SPECIFICATIONS 16 6 DIAGRAMS 17 6 1 Air Flow Diagrams...

Page 4: ...nts Exchanger Receiver Separator Compressor Module A2 type compatibility Notified Body No 0408 Addres Deutschstreasse 10 1230 Wien sterreich PED 2014 68 EU Certification EN378 2 ZSTS SWZE 1790 CAT II...

Page 5: ...2014 35 EU Electromagnetic Compatibility Directive 2014 30 EU The item of equipments which identified below has been subject to internal manufacturing checks with monitoring of the final assesment by...

Page 6: ...each liter sec under ISO 7183 A condition or 18 watts for each SCFM under ISO 7183 B condition D There should be no chemicals in the atmosphere that will damage the copper source Ammonia gas etc 1 3...

Page 7: ...larly check the correct operation of the condensate drain trap C Every six months check and clean the drain strainer by undoing the access screw and rinsing the filter with tap water to remove the tra...

Page 8: ...e heat exchanger a by pass valve is injecting hot gaseous refrigerant in the circuit On certain dryers an automatic expansion valve regulates this 3 Compressed air circuit A The saturated hot compress...

Page 9: ...on as the compressor has cooled down B High Pressure Security Switch Refrigerant line is considered as a pressure vessel That is why it is protected against bursts by the help of manually reset switch...

Page 10: ...essurized before being dismantled 9 Heat Exchanger Modular design A The dryers are equipped with a compact Mono Bloc Heat Exchanger module This assembly has been specially designed to dry compressed a...

Page 11: ...efficiency when the alarm status is active It is recommended to keep replacement filter elements in your stock in order to replace them when needed ATTENTION MH US range dryers have low pressure drop...

Page 12: ...a preheating period of minimum 4 hours before starting again to avoid any compressed air flow during preheating 3 Follow the daily starting and shut down preocedure 3 4 Daily starting and shut down 1...

Page 13: ...ance interval display Status report Run time meter Fahrenheit and Centigrade selection 4 1 2 Operation Using the Digi Pro controller as shown in the picture below 4 1 3 Menu Buttons To modify the para...

Page 14: ...renheit temperature unit is selected FAHRENHEIT UNIT MODE This mode shows that the dryer is ready for drying operation COMPRESSOR STANDBY MODE This mode shows that the dryer in the service time SERVIC...

Page 15: ...HIGH 2 Digital Input 3 Compressor Fault is not activated 3 Digital Input 4 Compressor Overload is not activated 4 Digital Input 5 Fan Fault is not activated 5 Digital Input 6 Fan Overload is not activ...

Page 16: ...1 6 MH US 25 25 1 2 NPT 115 1 60 R134a 2 5 MH US 35 35 1 2 NPT 115 1 60 R134a 2 8 MH US 50 50 3 4 NPT 115 1 60 R134a 1 7 MH US 75 75 3 4 NPT 115 1 60 R134a 2 0 MH US 100 100 3 4 NPT 115 1 60 R134a 2 4...

Page 17: ...Page 17 6 1 MH US AIR FLOW DIAGRAMS...

Page 18: ...age 18 6 DIAGRAMS 6 1 AIR FLOW DIAGRAMS MH US 15 MH US 25 M S 2 4 1 6 5 8 11 3 AIR OUTLET AIR INLET M 7 10 12 9 2 REFRIGERANT GAS FLOW LINE DRAIN FLOW LINE PILOT FLOW LINE COMPRESSED AIR FLOW LINE S 1...

Page 19: ...ESCRIPTION POS QTY 1 2 3 4 5 6 7 8 9 10 11 COMPRESSOR 1 2 1 1 FAN MOTOR FAN SWITCH HIGH PRESSURE SWITCH FILTER DRIER 1 1 1 1 1 1 1 1 EXPANSION VALVE HEAT EXCHANGER AFTERCOOLER 12 SOLENOID VALVE CONDEN...

Page 20: ...Page 20 6 1 AIR FLOW DIAGRAMS MH US 35 M S 2 4 1 6 5 8 11 3 AIR OUTLET AIR INLET M 7 10 12 9 2 REFRIGERANT GAS FLOW LINE DRAIN FLOW LINE PILOT FLOW LINE COMPRESSED AIR FLOW LINE S 13...

Page 21: ...PTION POS QTY 1 2 3 4 5 6 7 8 9 10 11 COMPRESSOR 1 2 1 1 FAN MOTOR FAN SWITCH HIGH PRESSURE SWITCH FILTER DRIER 1 1 1 1 1 1 1 1 EXPANSION VALVE HEAT EXCHANGER AFTERCOOLER 12 SOLENOID VALVE CONDENSER M...

Page 22: ...Page 22 6 1 AIR FLOW DIAGRAMS MH US 50 MH US 100 M S 2 4 1 6 5 8 11 3 AIR OUTLET AIR INLET M 7 10 12 9 2 REFRIGERANT GAS FLOW LINE DRAIN FLOW LINE PILOT FLOW LINE COMPRESSED AIR FLOW LINE S 13...

Page 23: ...ESCRIPTION POS QTY 1 2 3 4 5 6 7 8 9 10 11 COMPRESSOR 1 2 1 1 FAN MOTOR FAN SWITCH HIGH PRESSURE SWITCH FILTER DRIER 1 1 1 1 1 1 1 1 EXPANSION VALVE HEAT EXCHANGER AFTERCOOLER 12 SOLENOID VALVE CONDEN...

Page 24: ...nnected to the point on the conducting body of the dryer specified by a sticker with the protective earth symbol next to it The size of the protective earth conductor should be minimum the size of the...

Page 25: ...RA A Fuse Amp MH US 15 115 1P 60 0 69 7 45 8 6 IP 54 26 8 MH US 25 115 1P 60 0 69 7 57 8 8 IP 54 29 8 MH US 35 115 1P 60 0 88 9 61 11 5 IP 54 36 12 MH US 50 115 1P 60 0 5 10 75 13 4 IP 54 46 15 MH US...

Page 26: ...Page 26 6 2 ELECTRICAL DIAGRAMS MH US 15 to MH US 100...

Page 27: ...Page 27 6 3 MH US ID DIAGRAM DRAWINGS GENERAL ARRANGEMENTS...

Page 28: ...0mm 8 62 219mm 7 87 200mm 3 30 84mm 3 89 99mm 9 84 250mm 3 89 99mm 1 38 35 2mm 14 86 377 5mm 1 38 35 3mm M8x4 Digital Controller Cable Connect on Air Outlet 1 2 NPT Air Inlet 1 2 NPT Drain 3 8 NPT FRO...

Page 29: ...0mm 8 62 219mm 7 87 200mm 3 30 84mm 3 89 99mm 9 84 250mm 3 89 99mm 1 38 35 2mm 14 86 377 5mm 1 38 35 3mm M8x4 Digital Controller Cable Connect on Air Outlet 1 2 NPT Air Inlet 1 2 NPT Drain 3 8 NPT FRO...

Page 30: ...0mm 8 62 219mm 7 87 200mm 3 30 84mm 3 89 99mm 9 84 250mm 3 89 99mm 1 38 35 2mm 14 86 377 5mm 1 38 35 3mm M8x4 Digital Controller Cable Connect on Air Outlet 1 2 NPT Air Inlet 1 2 NPT Drain 3 8 NPT FRO...

Page 31: ...25 64 651 5mm 13 54 34 4mm Air Outlet 3 4 NPT Air Inlet 3 4 NPT Drain 3 8 NPT 12 20 31mm Digital Controller Cable Connection 21 94 557 5mm 1 37 34 8mm 1 37 34 8mm 3 87 98 5mm 12 40 315mm 3 87 98 5mm M...

Page 32: ...25 64 651 5mm 13 54 34 4mm Air Outlet 3 4 NPT Air Inlet 3 4 NPT Drain 3 8 NPT 12 20 31mm Digital Controller Cable Connection 21 94 557 5mm 1 37 34 8mm 1 37 34 8mm 3 87 98 5mm 12 40 315mm 3 87 98 5mm M...

Page 33: ...25 64 651 5mm 13 54 34 4mm Air Outlet 3 4 NPT Air Inlet 3 4 NPT Drain 3 8 NPT 12 20 31mm Digital Controller Cable Connection 21 94 557 5mm 1 37 34 8mm 1 37 34 8mm 3 87 98 5mm 12 40 315mm 3 87 98 5mm...

Page 34: ...75 20 15 24 70 34 50 189 6 MH US 100 20 15 24 70 34 50 198 4 7 GENERAL ARRANGEMENTS ALL MODELS Superheat of thermostatic expansion valve Evaporating pressure Fan pressure switch Security high pressure...

Page 35: ...Page 35 8 MH US EXPLODED DIAGRAMS SPARE PART LISTS...

Page 36: ...are Part List MH US 15 2 3 4 5 6 7 8 9 10 11 15 14 12 13 18 17 16 1 19 21 20 22 23 24 25 26 28 29 26 30 31 32 33 34 35 36 38 37 27 28 39 38 26 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 59...

Page 37: ...4 REDUCTION 1 2 1 4 1 MRH100 FTT 1 4 8mm FITTING 1 SEE REF TABLE DRAIN CONNECTION FITTING 1 MK260E PCP PLASTIC CONTROL PANEL 1 SEE REF TABLE DIGITAL CONTROLLER 1 MK260E CG11 CABLE GLAND PG11 6 MK260E...

Page 38: ...are Part List MH US 25 2 3 4 5 6 7 8 9 10 11 15 14 12 13 18 17 16 1 19 21 20 22 23 24 25 26 28 29 26 30 31 32 33 34 35 36 38 37 27 28 39 38 26 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 59...

Page 39: ...4 REDUCTION 1 2 1 4 1 MRH100 FTT 1 4 8mm FITTING 1 SEE REF TABLE DRAIN CONNECTION FITTING 1 MK260E PCP PLASTIC CONTROL PANEL 1 SEE REF TABLE DIGITAL CONTROLLER 1 MK260E CG11 CABLE GLAND PG11 6 MK260E...

Page 40: ...are Part List MH US 35 2 3 4 5 6 7 8 9 10 11 15 14 12 13 18 17 16 1 19 21 20 22 23 24 25 26 28 29 26 30 31 32 33 34 35 36 38 37 27 28 39 38 26 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 59...

Page 41: ...SOR 1 SEE REF TABLE COMPRESSOR START CAPACITOR 1 MK260E STC SETTING THE CONNECTION 1 SEE REF TABLE COMPRESSOR OVERLOAD PROTECTOR 1 MK260E SVC SOLENOID VALVE COIL 1 SEE REF TABLE COMPRESSOR START RELAY...

Page 42: ...t MH US 50 2 3 4 5 6 7 8 9 10 12 11 13 16 17 18 15 14 46 47 48 1 19 21 20 22 23 36 37 49 24 24 67 27 24 25 26 27 28 29 30 31 32 33 34 35 38 39 40 24 41 43 44 45 52 53 54 24 50 51 25 55 56 57 58 59 60...

Page 43: ...UPPORT SHEET 1 MK260E CG11 CABLE GLAND PG11 6 MK260E CP11 CABLE PLUG PG11 2 MRH75 ECB ELECTICAL BOX 1 M THS 3000 THERMOSTATIC SWITCH 1 MK260E PCP PLASTIC CONTROL PANEL 1 SEE REF TABLE DIGITAL CONTROLL...

Page 44: ...List MH US 75 2 3 4 5 6 7 8 9 10 12 18 19 20 21 22 24 23 25 24 25 25 26 27 28 29 30 31 32 33 34 35 36 67 38 28 39 40 24 41 46 47 48 49 55 56 57 58 59 60 37 61 66 62 63 64 53 54 1 50 51 52 65 11 13 15...

Page 45: ...H SUPPORT SHEET 1 MRH75 ECB ELECTICAL BOX 1 SEE REF TABLE COMPRESSOR OVERLOAD PROTECTOR 1 SEE REF TABLE COMPRESSOR START RELAY 1 M THS 3000 THERMOSTATIC SWITCH 1 MK260E PCP PLASTIC CONTROL PANEL 1 SEE...

Page 46: ...List MH US 100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 24 23 25 24 25 25 26 27 28 29 30 31 32 33 34 35 36 14 38 28 39 40 24 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 6...

Page 47: ...NAL BLOCK 1 SEE REF TABLE COMPRESSOR START RELAY 1 SEE REF TABLE COMPRESSOR START CAPACITOR 1 M THS 3000 THERMOSTATIC SWITCH 1 MK260E PCP PLASTIC CONTROL PANEL 1 SEE REF TABLE DIGITAL CONTROLLER 1 MK9...

Page 48: ...ty control S13 Low pressure security control S20 Refrigerant temperature control S21 Air temperature control Motors M01 Refrigerant compressor motor M10 Fan motor Thermal protections P01 Refrigerant c...

Page 49: ...p and protecting devices can switch off Clogged condenser fins or clogged water condenser Possible high crankcase temperature Possible loss of phase Possible low voltage causing overload trip Possible...

Page 50: ...ory should be contacted if the unit is in warranty Refrigeration system is not functioning Check to be certain refrigerant compressor is running To check if the compressor is running check compressor...

Page 51: ...or enlarge the diameter Max drain hose length after the dryer must not exceed 10 meters Max drain hose height from the dryer must not exceed 3 meters The drain port size should not be reduced There sh...

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