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FRIULAIR AMD 3-168 Users Maintenance And Spare Parts Manual

Refrigerating air dryer
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Amd 3- - - - 168
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
7425MUM073_EN_2008-05
REFRIGERATING AIR DRYER
168
168
168

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Summary of Contents for FRIULAIR AMD 3-168

  • Page 1 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 REFRIGERATING AIR DRYER 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 7425MUM073_EN_2008-05...
  • Page 2 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 Dear Customer, thank you for choosing our product. In order to get the best performances out of this product, please read this manual carefully.
  • Page 3 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - SAFETY RULES 1.1. Definition of the Conventional Signs Used in This Manual 1.2. Warnings 1.3. Proper use of the dryer 1.4.
  • Page 4 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 1. SAFETY RULES 1.1. DEFINITION OF THE CONVENTIONAL SIGNS USED IN THIS MANUAL Carefully read instruction manual before attempting any service or maintenance procedures on the dryer.
  • Page 5 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 1.2. WARNINGS Compressed air is a highly hazardous energy source. Never work on the dryer with pressure in the system. Never point the compressed air or the condensate drain outlet hoses towards anybody.
  • Page 6 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 1.4. INSTRUCTIONS FOR THE USE OF PRESSURE EQUIPMENT ACCORDING TO PED DIRECTIVE 97/23/EC To ensure the safe operation of pressure equipments, the user must conform strictly to the above directive and the following : 1.
  • Page 7 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 2.3. INSTALLATION SITE Failure to install dryer in the proper ambient conditions will affect the dryer’s ability to condense refrigerant gas.
  • Page 8 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 2.4. INSTALLATION LAYOUT - A - Air compressor Final refrigerator Condensate separator Pre-Filter (min. 5 micron) By-pass group Dryer - B - Compressed air tank Final filter...
  • Page 9 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 2.5. CORRECTION FACTORS Correction factor for operating pressure changes : Inlet air pressure barg Factor (F1) 0.77 0.86 0.93 1.00 1.05 1.14...
  • Page 10 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 2.6. CONNECTION TO THE COMPRESSED AIR SYSTEM Operations to be performed by qualified personnel. Never operate with plants under pressure. The user is responsible to ensure that the dryer will never be operated with pressure exceeding the nominal values.
  • Page 11 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 2.7. ELECTRICAL CONNECTIONS Qualified personnel should carry out connecting unit to the main power. Be sure to check the local codes in your area.
  • Page 12 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 3.2. FIRST START-UP This procedure should be followed on first start-up, after periods of extended shutdown or following maintenance procedures. Qualified personnel must perform the start-up.

  • Page 13: Technical Specifications

    AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 4. TECHNICAL SPECIFICATIONS 4.1. TECHNICAL SPECIFICATIONS AMD 3-25 / 230V / 50-60 HZ...
  • Page 14 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 4.2. TECHNICAL SPECIFICATIONS AMD 32-168 / 230V / 50HZ...
  • Page 15 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 4.3. TECHNICAL SPECIFICATIONS AMD 32E-168E / 230V / 60 HZ...
  • Page 16 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 4.4. TECHNICAL SPECIFICATIONS AMD 3P-25P / 115V / 60 HZ...
  • Page 17 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 4.5. CARATTERISTICHE TECNICHE AMD 32P-75P / 115V / 60 HZ...
  • Page 18 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 5. DESCRIZIONE TECNICA 5.1. CONTROL PANEL The control panel illustrated below is the only dryer-operator interface. AMD 3-61 DMC15 sec - min AMD 75-168 DMC15...
  • Page 19 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 5.3. FLOW DIAGRAM 12.1 Standard Optional Alu-Dry Module Condenser fan a - Air-to-air heat exchanger Filter drier b - Air-to-refrigerant exchanger Capillary tube c - Condensate separator T1 Temperature probe (DewPoint)
  • Page 20 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 5.4. REFRIGERATING COMPRESSOR The refrigerating compressor is the pump of the system where the gas coming from the evaporator (low pressure side) is compressed up to the condensation pressure (high pressure side).
  • Page 21 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 5.9. HOT GAS BY-PASS VALVE This valve injects part of the hot gas (taken from the discharge side of the compressor) in the pipe between the evaporator and the suction side of the compressor, keeping the evaporation temperature/pressure constant at approx.
  • Page 22 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 5.12. DMC15 ELECTRONIC INSTRUMENT (AIR DRYER CONTROLLER) Button - access the set-up. DMC15 Button - condensate drain test / value increment. Green LED - glowing = power on.
  • Page 23 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 5.13. ELECTRONIC LEVEL DRAIN Instead of the usual drain system (a solenoid valve controlled by means of electronic instrument); an electronic level controlled drain can be installed as option.
  • Page 24 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 6. MAINTENANCE, TROUBLESHOOTING, SPARES AND DISMANTLING 6.1. CONTROLS AND MAINTENANCE Only qualified personnel should perform troubleshooting and or maintenance operations. Prior to performing any maintenance or service, be sure that: •...

  • Page 25: Troubleshooting

    AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 6.2. TROUBLESHOOTING Only qualified personnel should perform troubleshooting and or maintenance operations. Prior to performing any maintenance or service, be sure that: •...
  • Page 26 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 The dryer doesn’t drain The condensate drain service valve is closed - open it. the condensate. The condensate drain strainer is clogged - remove and clean it. The drain solenoid valve is jammed - remove and clean it.

  • Page 27: Spare Parts

    AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 6.3. SPARE PARTS The suggested spare parts list will enable you to promptly intervene in case of abnormal operation, so avoiding to wait for the spares delivery.
  • Page 28 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168...
  • Page 29 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - -...
  • Page 30 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 6.4. MAINTENANCE OPERATION ON THE REFRIGERATING CIRCUIT Maintenance and service on refrigerating systems must be carried out only by certified refrigerating engineers only, according to local rules.
  • Page 31 Exploded view of Dryers 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 Coil for cond. drain solenoid valve Alu-Dry Module 1.1 Insulation Material Electronic control instrument Refrigerant pressure-switch P …...
  • Page 32 AMD 3 AMD 3- - - - 168 7.3. ELECTIC DIAGRAMS 7.3.1 Electrical Diagram of Dryers AMD 3-168 - Electronic Instrument DMC15 Electrical Diagram table of components IG : Main switch K : Refrigerating compressor : Compressor thermal protection KR : Compressor starting relay (if installed)
  • Page 33 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 7.1.1 AMD 3 7.1.2 AMD 6-18 7.1.3 AMD 25...
  • Page 34 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 7.1.4 AMD 32-52 7.1.3 AMD 61-75...
  • Page 35 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 7.1.4 AMD 105-130 7.1.5 AMD 168...
  • Page 36 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 7.1.3 AMD 3 / 3E /3P...
  • Page 37 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 7.1.3 AMD 6-18 / 6E-18E / 6P-18P...
  • Page 38 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 7.1.3 AMD 25-32 / 25E-32E / 25P-32P...
  • Page 39 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 7.1.3 AMD 43...
  • Page 40 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 7.1.3 AMD 43E / 43P...
  • Page 41 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 7.1.3 AMD 52...
  • Page 42 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 7.1.3 AMD 52E / 52P...
  • Page 43 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 7.1.3 AMD 61...
  • Page 44 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 7.1.3 AMD 61E / 61P...
  • Page 45 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 7.1.3 AMD 75 / 75E / 75P...
  • Page 46 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 7.1.3 AMD 105-130 / 105E-130E...
  • Page 47 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 7.1.3 AMD 168 / 168E...
  • Page 48 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 7.3.1 AMD 3-32 Air Dryer Controller 7.3.2 AMD 43-61 Air Dryer Controller...
  • Page 49 AMD 3 AMD 3- - - - 168 AMD 3 AMD 3 - - - - EN EN- - - - 7.3.3 AMD 43E-61E / 43P-61P Air Dryer Controller 7.3.4 AMD 75 / 75E / 75P Air Dryer Controller...
  • Page 50 - - - - EN EN- - - - AMD 3 AMD 3 AMD 3 AMD 3- - - - 168 7.3.3 AMD 105-130 Air Dryer Controller 7.3.4 AMD 168 Air Dryer Controller...

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