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7425MUM073_EN_2008-05 

 

 

                                           

AMD 3

AMD 3

AMD 3

AMD 3-

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-168

168

168

168 

  

 

 

 

REFRIGERATING AIR DRYER 

 

 

    

 

 

  

 

 

    

 

 

  

 

 

    

 

 

  

 

 

EN

EN

EN

EN    

USER’S MAINTENANCE AND SPARE PARTS MANUAL

USER’S MAINTENANCE AND SPARE PARTS MANUAL

USER’S MAINTENANCE AND SPARE PARTS MANUAL

USER’S MAINTENANCE AND SPARE PARTS MANUAL

 

 

  

 

 

    

 

 

  

 

 

    

 

 

  

 

 

    

 

 

 

Summary of Contents for AMD 3-168

Page 1: ...3 AMD 3 AMD 3 168 168 168 168 REFRIGERATING AIR DRYER EN EN EN EN USER S MAINTENANCE AND SPARE PARTS MANUAL USER S MAINTENANCE AND SPARE PARTS MANUAL USER S MAINTENANCE AND SPARE PARTS MANUAL USER S MAINTENANCE AND SPARE PARTS MANUAL ...

Page 2: ...de Nominal Flow Rate Max Air Pressure Max Inlet Air Temp Ambient Temp Refrigerant Type and qty Refrig Design Pres HP LP Electric Supply Electric Nominal Power Fuse Max Manufactured The data nameplate is located on the back of the dryer and shows all the primary data of the machine Upon installation fill in the table on the previous page with all the data shown on the data nameplate This data shoul...

Page 3: ...nical specifications AMD 32 168 230V 50Hz 4 3 Technical specifications AMD 32E 168E 230V 60 Hz 4 4 Technical specifications AMD 3P 25P 115V 60 Hz 4 5 Caratteristiche tecniche AMD 32P 75P 115V 60 Hz 5 DESCRIZIONE TECNICA 5 1 Control panel 5 2 Operation 5 3 Flow diagram 5 4 Refrigerating compressor 5 5 Condenser 5 6 Filter drier 5 7 Capillary tube 5 8 Alu dry module 5 9 Hot gas by pass valve 5 10 Re...

Page 4: ...s not an acceptable means in cases of fire Danger hazard Do not operate equipment with panels removed Maintenance or control operation to be performed by qualified personnel only 1 ARIA AIR LUFT AIR Compressed air inlet connection point ARIA AIR LUFT AIR Compressed air outlet connection point Condensate drain connection point Operations which can be worked out by the operator of the machine if qua...

Page 5: ...it damaged by accident modification misuse negligence or misapplication Unauthorized alterations will immediately void the warranty In case of fire use an approved fire extinguisher water is not an acceptable means in cases of electrical fire 1 3 PROPER USE OF THE DRYER This dryer has been designed manufactured and tested for the purpose of separating the humidity normally contained in compressed ...

Page 6: ...he vessel or its connecting piping TAMPERING MODIFICATION AND IMPROPER USE OF THE PRESSURE EQUIPMENT ARE FORBIDDEN Users of the equipment must comply with all local and national pressure equipment legislation in the country of installation 2 INSTALLATION 2 1 TRANSPORT Check for visible loss or damage if no visible damage is found place the unit near to the installation point and unpack the content...

Page 7: ...nt conditions or extreme dust and dirt Don t use water to extinguish fire on the dryer on in the surrounding area Minimal installation requirements Select a clean room dry free from dust and protected from atmospheric disturbances The supporting area must be smooth horizontal and able to hold the weight of the dryer Minimum ambient temperature 1 C Maximum ambient temperature 45 C Leave at least 1 ...

Page 8: ...1 class 3 3 or worse quality we recommend the additional installation of a pre filter 5 micron minimum to prevent a clogging of the heat exchanger Type A installation is suggested when the compressor operates at reduced intermittence and the total consumption equals the compressor flow rate Type B installation is suggested when the air consumption can consistently change with peak values highly ex...

Page 9: ...ient temperature 35 C Inlet air temperature 40 C Pressure DewPoint 3 C Factor F1 1 00 Factor F2 0 95 Factor F3 0 84 Factor F4 0 91 Each item of data has a corresponding numerical factor which multiplied by the design air flow is as follows Air flow capacity 108 x 1 00 x 0 95 x 0 84 x 0 91 1307 l min 1307 l min This is the maximum flow rate that the dryer can accept under these operating conditions...

Page 10: ... other impurities must be consistent with the flow rate of the dryer In order to facilitate the maintenance operations a by pass group has been installed as shown in the following illustration Dryer Ø BSP F A mm By Pass Code AMD 3 G 3 8 BSP F 40 2240GBP019 AMD 6 18 G 1 2 BSP F 210 2240GBP021 AMD 25 G 1 BSP F 205 2240GBP022 AMD 32 52 G 1 1 4 BSP F 205 2240GBP023 AMD 61 75 G 1 1 2 BSP F 235 2240GBP0...

Page 11: ... a solenoid valve protected with a mechanical strainer The condensate coming from the separator is previously filtered then discharged The solenoid valve coil is operated by electronic instrument dryer controller If an electronic drainer is installed the intervention times are determined by the internal capacitive sensor see specific paragraph The drainers cannot be connected to pressurized system...

Page 12: ...ss valve of the system if installed Check the piping for air leakage Ensure the drain is regularly cycling wait for its first interventions 3 3 START UP AND SHUT DOWN Start up refer to paragraph 5 1 Control Panel Check the condenser for cleanliness Verify that the system is powered Turn on the main switch pos 1 on the control panel Ensure that DMC15 electronic instrument is ON Wait a few minutes v...

Page 13: ...00 1 230 50 60 150 180 1 1 1 1 170 220 1 2 1 3 70 21 l min m 3 h scfm C C C C barg barg bar BSP F kg m 3 h Ph V Hz W A W A dbA kg AMD MODEL Air flow rate at nominal condition 1 Pressure DewPoint at nominal condition 1 Nominal ambient temperature max Min ambient temperature Nominal inlet air temperature max Nominal inlet air pressure Max inlet air pressure Air pressure drop p Inlet Outlet connectio...

Page 14: ... 25 45 1 35 55 7 14 0 16 G 1 1 4 R134 a 0 44 350 1 230 50 480 2 9 700 3 8 70 39 l min m 3 h scfm C C C C barg barg bar BSP F kg m 3 h Ph V Hz W A W A dbA kg AMD MODEL Air flow rate at nominal condition 1 Pressure DewPoint at nominal condition 1 Nominal ambient temperature max Min ambient temperature Nominal inlet air temperature max Nominal inlet air pressure Max inlet air pressure Air pressure dr...

Page 15: ...di H 2 O 25 45 1 35 55 7 14 0 16 G 1 1 4 R134 a 0 44 350 1 230 60 630 3 8 720 4 3 70 39 l min m 3 h scfm C C C C barg barg bar BSP F kg m 3 h Ph V Hz W A W A dbA kg AMD MODEL Air flow rate at nominal condition 1 Pressure DewPoint at nominal condition 1 Nominal ambient temperature max Min ambient temperature Nominal inlet air temperature max Nominal inlet air pressure Max inlet air pressure Air pre...

Page 16: ...0 21 l min m 3 h scfm C C C C barg barg bar BSP F kg m 3 h Ph V Hz W A W A dbA kg AMD MODEL Air flow rate at nominal condition 1 Pressure DewPoint at nominal condition 1 Nominal ambient temperature max Min ambient temperature Nominal inlet air temperature max Nominal inlet air pressure Max inlet air pressure Air pressure drop p Inlet Outlet connections Refrigerant type Refrigerant quantity 2 Cooli...

Page 17: ... l min m 3 h scfm C C C C barg barg bar BSP F kg m 3 h Ph V Hz W A W A dbA kg AMD MODEL Air flow rate at nominal condition 1 Pressure DewPoint at nominal condition 1 Nominal ambient temperature max Min ambient temperature Nominal inlet air temperature max Nominal inlet air pressure Max inlet air pressure Air pressure drop p Inlet Outlet connections Refrigerant type Refrigerant quantity 2 Cooling a...

Page 18: ...nsate drain The cool moisture free air then passes back through the air to air heat exchanger to be reheated to within 8 degrees of the incoming air temperature as it exits the dryer Refrigerant circuit Refrigerant gas is cycled through the compressor and exits at high pressure to a condenser where heat is removed causing the refrigerant to condense to a high pressure liquid state The liquid is fo...

Page 19: ...obe DewPoint 2 Refrigerant pressure switch PB AMD 168 12 1 T2 Temperature probe fan control 3 Safety thermo switch TS AMD 3 32 AMD 43E 168E AMD 43P 168P 13 Condensate drain isolation valve 4 Refrigerant pressure switch PA AMD 105 168 14 Condensate drain strainer 5 Refrigerant Fan pressure switch PV 15 Condensate drain solenoid valve AMD 43 168 16 Coil for cond drain solenoid valve 6 Refrigeration ...

Page 20: ...T FREE FROM DUST AND OTHER IMPURITIES 5 6 FILTER DRIER Traces of humidity and slag can accumulate inside the refrigerating circuit Long periods of use can also produce sludge This can limit the lubrication efficiency of the compressor and clog the expansion valve or capillary tube The function of the Filter Drier located before the capillary tubing is to eliminate any impurities from circulating t...

Page 21: ...ryer a series of pressure switches are installed in the gas circuit PB Low pressure controller device on the suction side of the compressor is enabled only if the pressure drops below the pre set value The values are automatically reset when the nominal conditions are restored Calibrated pressure R 404 A Stop 1 0 barg Restart 5 0 barg PA This high pressure controller device is located at the pushi...

Page 22: ...ED on and it is deactivated when the temperature goes down to 30 C FANON Hys LED off In case of T2 probe failure the fun will run continuously and the LED will intermittent flash Timer The condensate drain solenoid valve is activated for 2 seconds TON LED on each minute TOFF if standard setting To perform the manual test for the condensate drain press the button SET UP The DMC15 is adjusted during...

Page 23: ...ushed for 2 seconds TROUBLE SHOOTING Only qualified personnel should perform troubleshooting and or maintenance operations Prior to performing any maintenance or service be sure that no part of the machine is powered and that it cannot be connected to the mains supply no part of the machine is under pressure and that it cannot be connected to the compressed air system Maintenance personnel have re...

Page 24: ...heck the proper operation of the condensate drain systems Verify the condenser for cleanliness EVERY 200 HOURS OR MONTHLY With an air jet max 2 bar 30 psig blowing from inside towards outside clean the condenser repeat this operation blowing in the opposite way be careful not to damage the aluminium fins of the cooling package Close the isolation valve for the condensate drain remove the mechanica...

Page 25: ...ng AMD 3 32 The DMC15 electronic controller is faulty replace it AMD 43 168 PV pressure switch is faulty replace it If the fan still doesn t work replace it DewPoint too low AMD 3 32 The fan is always ON the yellow LED of DMC15 controller is glowing continuously see specific point AMD 43 168 The fan is always ON PV pressure switch is faulty replace it Ambient temperature is too low restore de nomi...

Page 26: ...contact a refrigeration engineer The pressure switch restores automatically when normal conditions are restored check the proper operation of the dryer Where installed The TS safety thermo switch has been activated Check which of the following has caused the activation 1 Eccessive thermal load restore the standard operating conditions 2 The inlet air is too hot restore the nominal conditions 3 The...

Page 27: ...1 5210110005 5210110011 5210110017 5210110022 5210110025 5215000010 5215000019 5215000023 5215000025 5215000033 5225000010 5225000027 6650SSS007 6650SSN150 6650SSN160 5625NNN033 5625NNN035 64355MN012 64355FF011 64320FF080 64320FF081 64320FF082 64N22MM001 64N22MM002 64N22MM003 5620110104 2210BEK001A 2210BEK002A 5450SZN010 5450SZN117 DESCRIPTION OF THE SPARE PARTS Refrigerant gas pressure switch P B...

Page 28: ... 5620110104 2210BEK001A 2210BEK002A 5450SZN010 5450SZN117 DESCRIPTION OF THE SPARE PARTS Refrigerant gas pressure switch P B Safety thermo switch T S Fan pressure switch P A Fan pressure switch P V Compressor Compressor Compressor Compressor Hot Gas By pass Valve Complete fan Complete fan Complete fan Fan motor Fan motor Fan motor Fan motor Fan blade Fan blade Fan blade Fan grid Fan grid Filter Dr...

Page 29: ...35 64355MN012 64355FF011 64320FF081 64320FF083 64N22MM002 64N22MM004 5620130104 2210BEK001P 5450SZN010 5450SZN117 DESCRIPTION OF THE SPARE PARTS Safety thermo switch T S Fan pressure switch P V Compressor Compressor Compressor Compressor Compressor Compressor Compressor Compressor Hot Gas By pass Valve Hot Gas By pass Valve Complete fan Fan motor Fan motor Fan motor Fan motor Fan motor Fan blade F...

Page 30: ...V GWP R134a HFC CH2FCF3 1000 ppm 1300 R404A HFC CH2FCF3 C2HF5 C2H3F3 1000 ppm 3784 6 5 DISMANTLING OF THE DRYER If the dryer is to be dismantled it has to be split into homogeneous groups of materials Part Material Refrigerant fluid R404A R134a Oil Canopy and Supports Carbon steel Epoxy paint Refrigerating compressor Steel Copper Aluminium Oil Alu Dry Module Aluminium Condenser Unit Aluminium Copp...

Page 31: ...ers AMD 43P 7 2 11 Exploded view of Dryers AMD 52P 7 2 12 Exploded view of Dryers AMD 61P Exploded view table of components Dryers AMD 3 168 1 Alu Dry Module 16 Coil for cond drain solenoid valve 1 1 Insulation Material 17 Electronic control instrument 2 Refrigerant pressure switch PB 3 TS safety thermo switch 21 Electronic level drain 4 Refrigerant pressure switch PA 22 Main switch 5 Refrigerant ...

Page 32: ...itor if installed CR Compressor run capacitor if installed V Condenser fan CV Fan starting capacitor if installed DMC15 DMC15 Electronic Instrument Air Dryer Controller T1 T1 Temperature probe DewPoint T2 T2 Temperature probe Fan control PV Pressure switch Fan control PA Pressure switch Compressor discharge side high pressure PB Pressure switch Compressor suction side low pressure TS TS safety the...

Page 33: ...AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 EN EN EN EN 7 1 1 AMD 3 7 1 2 AMD 6 18 7 1 3 AMD 25 ...

Page 34: ... EN EN EN EN AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 7 1 4 AMD 32 52 7 1 3 AMD 61 75 ...

Page 35: ...AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 EN EN EN EN 7 1 4 AMD 105 130 7 1 5 AMD 168 ...

Page 36: ... EN EN EN EN AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 7 1 3 AMD 3 3E 3P ...

Page 37: ...AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 EN EN EN EN 7 1 3 AMD 6 18 6E 18E 6P 18P ...

Page 38: ... EN EN EN EN AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 7 1 3 AMD 25 32 25E 32E 25P 32P ...

Page 39: ...AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 EN EN EN EN 7 1 3 AMD 43 ...

Page 40: ... EN EN EN EN AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 7 1 3 AMD 43E 43P ...

Page 41: ...AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 EN EN EN EN 7 1 3 AMD 52 ...

Page 42: ... EN EN EN EN AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 7 1 3 AMD 52E 52P ...

Page 43: ...AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 EN EN EN EN 7 1 3 AMD 61 ...

Page 44: ... EN EN EN EN AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 7 1 3 AMD 61E 61P ...

Page 45: ...AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 EN EN EN EN 7 1 3 AMD 75 75E 75P ...

Page 46: ... EN EN EN EN AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 7 1 3 AMD 105 130 105E 130E ...

Page 47: ...AMD 3 AMD 3 AMD 3 AMD 3 168 168 168 168 EN EN EN EN 7 1 3 AMD 168 168E ...

Page 48: ...D 3 32 SEL0023 Bu POWER Bu 10 9 10 Bn 8 8 9 11 11 CS T1 T2 2 CV M Bn 7 6 4 3 KR CR 1 M A P C KT Air Dryer Controller Bn Bu Bu Bn 7 3 2 AMD 43 61 SEL0065 POWER 10 10 8 9 11 11 CS T1 T2 2 7 6 4 3 KR CR 1 M A P C KT Air Dryer Controller Bn Bu Bu Bn CV M Bn 2k7 Bu Bn ...

Page 49: ...3 3 AMD 43E 61E 43P 61P 10 Bu Bn 11 CV M M C KT CS Bn Bn C S R SEL0066 Air Dryer Controller POWER 10 9 8 7 6 11 T2 T1 3 4 2 1 2k7 7 3 4 AMD 75 75E 75P 10 Bu Bn 11 CV M M C KT CS Bn Bn C S R SEL0067 Air Dryer Controller POWER 10 9 8 7 6 11 T2 T1 3 4 2 1 2k7 ...

Page 50: ...7 3 3 AMD 105 130 11 10 M CV Bn Bn 3 2 1 KT R CS S M C C SEL0068 Air Dryer Controller POWER 10 9 8 7 6 11 T2 T1 3 4 2 1 Bn Bu 2k7 7 3 4 AMD 168 11 10 M CV Bn Bn 3 2 1 KT R CS S M C C SEL0069 Air Dryer Controller POWER 10 9 8 7 6 11 T2 T1 3 4 2 1 Bn Bu 2k7 ...

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