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Summary of Contents for KAESER TAH
- Page 1 SERVICE MANUAL Refrigeration Dryer Model TAH No.: 9_5754_06USE...
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Page 3: Table Of Contents
Contents Chapter --- page Regarding this Document ........1 --- 1 Handling the Document . - Page 4 Contents Chapter --- page Installation ..........6 --- 16 Safety .
- Page 5 Contents Chapter --- page 13 Annex ............13 --- 34 13.1 Diagrams and Drawings...
- Page 6 Directory of Illustrations Chapter --- page Fig. 1 Warning symbols on the machine ........3 --- 9 Fig.
- Page 7 Table Directory Chapter --- page Tab. 1 Nameplate ............2 --- 2 Tab.
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Page 8: Regarding This Document
Enter details from the machine nameplate and individual equipment in the table in chapter 2 ”Technical Specifications”. Copyright This service manual is copyright protected. Please contact KAESER if you have any queries regarding use and copying of the documentation. We will gladly help you in using the infor- mation appropriately. -
Page 9: Technical Specification
Rated current Ambient temperature Tab. 1 Nameplate Weight The weight given is the maximum. Actual weights of individual machines are dependent on equipment fitted. TAH 4 TAH 6 Weight [lbs] Tab. 2 Machine weight Ambient Conditions TAH 4 TAH 6... -
Page 10: Refrigerant System
Technical Specification TAH 4 TAH 6 Maximum permitted working pressure [psig] Pressure dew point [˚ F] * * at 100 ˚ F air inlet, 100 psig, 100 ˚ F ambient temperature and 60Hz power supply Tab. 4 Compressed air system... - Page 11 Technical Specification Rated power supply 230V 10%, 1 --- ph, 50/60Hz TAH 4 TAH 6 Mains fuses [A] Supply cable AWG 14 AWG 14 Current drawn [A] Tab. 7 Power supply details 230V/1/50Hz/60Hz Rated power supply 115V 10%, 1 --- ph, 60Hz...
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Page 12: Safety And Responsibility
Safety and Responsibility Safety and Responsibility Disregard of these instructions can result in serious injury. DANGER Read the service manual carefully and pay attention to its contents. The machine is manufactured to the latest engineering standards and acknowledged safety regulations. Nevertheless, dangers can arise through its operation: ¡... -
Page 13: Safety Devices
Safety and Responsibility Installation and maintenance personnel Authorized installation and maintenance personnel: must be adult, must have read, be conversant with and adhere to the safety instructions and sections of the service manual applicable to installation and maintenance, must be fully conversant with the safety concepts and regulations of electrical, com- pressed air engineering and refrigeration techniques, must be able to recognize the possible dangers of electrical, compressed air and re- frigeration techniques and take appropriate measures to safeguard persons and prop-... -
Page 14: Safe Machine Operation
Use only spare parts approved by the manufacturer for use in this machine. Unsuit- able spare parts compromise the safety of the machine. Use only genuine KAESER parts for pressure components. Conversion or modification of the machine Do not permit conversion or modification of the machine as this can compromise func- tion and safe working. - Page 15 Safety and Responsibility Attach lifting gear only to the designated points on the machine. Note the centre of gravity to avoid the machine tipping. Make sure the danger zone is clear. Installation Make sure no power is applied when electrical connections are made. Only use only electrical cables that are suitable and approved for the electrical loads applied.
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Page 16: Organisational Measures
Eye contact: Rinse thoroughly with lukewarm water and seek medical assistance. If required, request a copy of the safety data sheet dealing with the handling of refrigerants for KAESER dryers. Environmental Protection Do not allow refrigerant to escape to the atmosphere. -
Page 17: Warranty
Furthermore, we accept no warranty obligation for: ¡ the use of unsuitable parts or operating materials, ¡ unauthorized modifications, ¡ incorrect maintenance, ¡ incorrect repair. Correct maintenance and repair includes the use of genuine KAESER spare parts and op- erating materials. 3 --- 10... -
Page 18: Design And Function
Design and Function Design and Function Machine Overview 4.1.1 Cabinet Fig. 2 Cabinet Side panel The cabinet, when closed, serves various functions: sound damping protection against contact cooling air flow control Safe and reliable operation is only assured with the cabinet closed. To open the cabinet, loosen the retaining screws in the side panels with a screwdriver and remove the panels. -
Page 19: General Design
Design and Function General Design Fig. 3 Main components Compressed air inlet Compressed air outlet Control cabinet Safety pressure switch Refrigerant condenser 10 Filter dryer Heat exchanger 11 Refrigerant compressor Condensate separator 12 Hot gas bypass valve The main component in a refrigeration dryer is an air/refrigerant heat exchanger (4). The refrigerant circulation is automatically regulated by a hot gas bypass valve (12). -
Page 20: Pressure Dew Point Indication
Design and Function EMERGENCY STOP The ON/OFF switch shuts down the machine immediately. It can be fitted with a padlock to prevent reapplication of power. Safety pressure switch The safety pressure switch protects the refrigerant circuit against excessive pressure. It is factory set. If the safety pressure switch has actuated, the refrigeration dryer cannot be put back into operation until the manual RESET on the safety pressure switch has been pressed. -
Page 21: Installation And Operating Conditions
The spacings given are recommended and ensure unhindered access to all machine parts. Please consult KAESER if they cannot be achieved. Do not install the machine in the exhaust air flow from other machines. If installed outdoors, the equipment must be protected from frost, direct sunlight, dust and rain. -
Page 22: Operating In A Compressed Air System
To ensure maintenance of desired air quality when filling a vented air system we recom- mend the installation of an air main charging system. Please contact KAESER for assistance in selecting and installing an air main charging sys- tem. 5 --- 15... -
Page 23: Installation
Installation Installation Safety Refrigerant DANGER There is considerable risk of injury from released refrigerant if the refriger- ant circuit is incorrectly opened. Do not open the refrigerant circuit. All functional parts are factory set. Do not change these settings without the permission of the manufacturer. Have the machine installed by qualified and authorized personnel. -
Page 24: Installing The Bypass Line (Optional Accessory)
Installation Installing the bypass line (optional accessory) Fig. 6 Install the bypass line 10 Hose line Seal 20 Bypass line, assembled Elbow assembly 30 Elbow Screw the elbow (30) into the compressed air inlet. Fit the elbow assembly, with seal, to the compressed air outlet. Fit the hose lines (10) with the bypass line (20) to the elbow (30) and the elbow as- sembly (50) using sealing tape. -
Page 25: Initial Start
Initial Start-up Initial Start---up Safety Voltage! DANGER Contact with live electric components can cause serious injury or death. Isolate all phases of the main power supply. (switch off the mains supply disconnecting device) Ensure that the power supply cannot be switched on again (locked off). -
Page 26: Starting The Machine For The First Time
Initial Start-up Starting the Machine for the First Time Open the shut–off valve to the compressed air system. Switch on the machine. The refrigeration compressor starts and after a short period the machine cools the com- pressed air. Watch for any faults occurring during the first few hours of operation. 7 --- 19... -
Page 27: Operation
Operation Operation Fig. 7 Switching on and off On/off switch Pressure dew point indicator Switching On and Off Compressed air! Serious injury is possible. WARNING Never direct compressed air at persons or animals. 8.1.1 Switching on Ensure that: ¡ no one is working on the machine, ¡... -
Page 28: Bypassing The Dryer (Optional Accessory)
Operation 8.1.4 Bypassing the dryer (optional accessory) Pre–condition: Bypass assembly to hand Fig. 9 Bypassing the dryer 60 Ball valve Turn the ball valves (60), as illustrated in Fig. 9 to isolate the dryer from the com- pressed air network. 8 --- 21... -
Page 29: Fault Finding And Removal
Event Recognition and Fault Rectification Fault Finding and Removal Inform KAESER Service if the fault cannot be removed by the measures suggested. Do not attempt fault removal measures other than those given in this manual. Faults Fault Possible cause Remedy... -
Page 30: Maintenance
Maintenance Maintenance 10.1 Safety Any disregard of these instructions and/or incorrect handling may result in serious injuries. Voltage! DANGER There is danger of fatal injury caused by touching electrically live compo- nents. Isolate all phases of the main power supply. (switch off the mains supply disconnecting device) Ensure that the power supply cannot be switched on again (locked off). -
Page 31: Cleaning The Refrigerant Condenser
Maintenance 10.2.2 Cleaning the refrigerant condenser Fig. 10 Cleaning the refrigerant condenser/condensate drain Condensate drain Refrigerant condenser Equipment: Compressed air for blowing out Cleaning rags Water with cleaning agent additive Pre–condition: Machine switched off. Supply disconnecting device switched off and locked out. Machine cooled down. -
Page 32: Cleaning The Condensate Drain
Maintenance 10.2.4 Cleaning the condensate drain Equipment: Compressed air for blowing out Cleaning rags Spare parts (as required) Pre–condition: Machine switched off. Supply disconnecting device switched off and locked out. Machine cooled down. Dismantling the condensate drain Fig. 11 Removing the condensate drain Condensate drain Male stud fitting Lower part of housing... - Page 33 Maintenance Cleaning the condensate drain Fig. 12 Cleaning the condensate drain Lower part of housing Float protection Knurled ring Flat ring seal Male stud fitting Separator element Venting valve O–ring Float protection cover Upper housing Float O–ring housing seal 10 Float valve Unscrew and remove the lower housing.
- Page 34 Maintenance Screw the lower housing (3) into the upper housing (15) and tighten. Connect the condensate drain hose to the male stud fitting (5). Affix the insulation (7, Fig. 11) to the condensate drain. Replace and secure all cover panels, close all access doors. 10 --- 27...
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Page 35: Logging Maintenance Work
Maintenance 10.3 Logging Maintenance Work Machine number: Date Maintenance task carried out Operating hours Signature Tab. 12 Maintenance log 10 --- 28... -
Page 36: Spares, Operating Materials, Service
Use only genuine spare parts and operating materials quoted. Have an authorized KAESER service agent carry out regular mainte- nance. KAESER consumable parts and operating materials are genuine spares. They are de- signed for use in our machines. 11.3 Maintenance Agreement Concluding a SIGMA AIR SERVICE maintenance agreement. -
Page 39: Decommissioning, Storage And Transport
Wrap the machine in plastic sheeting. ¡ Transport packaging A wooden crate is required for overland transport to protect the machine from mechanical damage. Consult an authorized KAESER service agent for advice on packaging for sea or air trans- port. 12.3 Storage Pre–condition: The machine must be adequately packed. -
Page 40: Transportation
De-commissioning, Storage and Transport 12.4 Transportation Pre–condition: The machine must stand completely on a pallet or wooden base. Machine damage by unsuitable transport. CAUTION Do not lift by the compressed air inlet or outlet. Do not lay the machine on its side. Transport only by fork truck operated only by personnel trained and authorized in the safe use of the transport equipment. -
Page 41: Annex
Annex Annex 13.1 Diagrams and Drawings 13.1.1 Pipeline and instrument flow diagram (P&I diagrams) 13 --- 34... -
Page 44: Dimensional Drawing
Appendix 13.1.2 Dimensional Drawing 13 --- 37... -
Page 46: Electrical Diagram
Appendix 13.1.3 Electrical diagram 13 --- 39...
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