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Service Manual
CS 720/721
Manual Cartwasher
Rev. 1.1
Operating, Diagnosis, Technical
Art. No. 300636
and Schematic Manual
© Copyright Belimed Inc.
CS 720 Service Manual
Revision 1.1
Page 1

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Summary of Contents for BELIMED CS 720

  • Page 1 Service Manual CS 720/721 Manual Cartwasher Rev. 1.1 Operating, Diagnosis, Technical Art. No. 300636 and Schematic Manual © Copyright Belimed Inc. CS 720 Service Manual Revision 1.1 Page 1...
  • Page 2: Table Of Contents

    ........................5 XPLANATION OF YMBOLS 1.2.1 Caution Symbol..........................5 1.2.2 Attention Symbol..........................5 .........................6 ENERAL NFORMATION 1.3.1 General Precaution ........................6 1.3.2 Description of the Belimed CS720....................6 1.3.3 Design Features..........................7 ............................9 NTENDED ............................9 IMENSIONS SAFETY PRECAUTIONS ..........................2 TECHNICAL DATA............................4 .........................4 TILITY EQUIREMENTS ...........................4 TILITY ONNECTIONS 3.2.1...
  • Page 3 8.2.2 Chamber ............................25 ........................25 ONTHLY AINTENANCE 8.3.1 Utility Room..........................25 8.3.2 Door Seals ............................26 8.3.3 Chamber ............................26 PARTS LIST...............................27 ...........................28 LECTRICAL ABINET .........................30 NEUMATIC ANIFOLD CS) ........................32 IFTING LAPS CS)......................34 ECHANISM ..........................36 PERATOR CS 720 Service Manual Revision 1.1 Page 3...
  • Page 4 )....................38 ECHANISM ASH AND RYING ..........................40 HAMBER IGHTING ...........................42 HAMBER 9.8.1 Chamber Screens..........................44 9.8.2 Exhaust Fan..........................46 9.8.3 Spray Ring ............................48 9.8.4 Hoist Mechanism ..........................50 ......................52 ASH AND INSE UPPLY ANKS DIAGRAMS............................54 CS 720 Service Manual Revision 1.1 Page 4...
  • Page 5: Introduction

    Any technical documentation that is made available by Belimed, is the copyrighted work of Belimed, and is owned by Belimed. Belimed has made every effort to ensure the accuracy of the information provided in this manual. Any use of the technical documentation or the information contained therein is at the risk of the user.
  • Page 6: General Information

    Belimed CS 720. The Belimed CS 720 is installed between the clean and the unclean sides in a 5” pit to allow for loading level with the finished floor.
  • Page 7: Design Features

    The Lift of the spray ring is determined by the height of the carts to be washed. For example: Low Cart Medium Cart Tall Cart position 3 position 2 position 1 CS 720 Service Manual Revision 1.1 Page 7...
  • Page 8 Chemical Dosing Unit: The Belimed CS 720 is equipped with two chemical additive pumps that are located in the supply room and draw chemical through a poly-braid hose to the pump and then eject the chemical under pressure into the supply tank and rinse water.
  • Page 9: Intended Use

    The Belimed CS 720 is designed to automatically wash, rinse, and dry a variety of different carts. The Belimed CS 720 has been carefully designed to last for a period of twelve years or longer without the need for major renovation or modification. With proper maintenance, the Belimed CS 720 is a reliable tool in the decontamination process.
  • Page 10: Safety Precautions

    EXTRANGULATION HAZARD: Avoid wearing loose clothing like ties when going on top of the machine as there are moving parts that can hurt you. • BODILY INJURY: Use of the machine should be restricted to properly trained personnel. CS 720 Service Manual Revision 1.1 Page 2...
  • Page 11 Any alteration of the machine, which affects its operation, will void the warranty and could violate state and local regulations. • Use only original BELIMED replacement parts for maintenance purposes. • Do not use sharp pointy objects to activate the touch screen, serious damage can occur to the touch screen and it will void its warranty.
  • Page 12: Technical Data

    The electric supply connection is located on the control panel. The electrical service should comply with the local building code and be installed accordingly. A service disconnect should be installed within the supply room to avoid feeding power directly to the Belimed CS 720.
  • Page 13: Compressed Air

    The pneumatic connection is located on the maintenance unit below the electric control panel. The Belimed CS 720 is equipped with a complete manifold assembly containing the regulator and moisture separator. It is the responsibility of the customer to provide air that is free from oils, water and impurities, which can harm the control valves.
  • Page 14: Water

    3.2.6 Water The Belimed CS 720 is equipped with two water solenoid valves. It is the responsibility of the customer to install service valves, back flow and fine particle strainers in each water connection. Belimed only provides the automatic on/off valve controlled by the Belimed CS 720.
  • Page 15: Emissions

    Heat Radiation at Exit: 2,800 BTU/hr Total BTU: 13,800 BTU/hr Exhaust, during Wash: max. 250 SCFM Exhaust, during Dry: max. 820 SCFM Exhaust Air Temperature: max. 120°C All above based on factory settings. CS 720 Service Manual Revision 1.1 Page 7...
  • Page 16: Installation

    Installation of the Belimed CS 720 must be performed by Belimed Technicians as they have received detailed training on all aspects of the installation, assembly, and maintenance of the Belimed CS 720. Belimed is involved in every installation in order to be able to insure the warranty of the system for the accepted duration.
  • Page 17: General Description Of The Components And Functions

    Figure 5-2 shows the main components and control elements that are accessible from the Clean Side or exit of the unit. Insert picture, Isometric view of clean side of CS 720. Arrows pointing to control panel, door, EMO TO BE INSERTED AFTER INSTALLATION CS 720 Service Manual Revision 1.1...
  • Page 18: Indicators And Gauges

    All other buttons are not used! Touching the MENU button brings up a choice of buttons. Touching “Passwords” allows someone to access the service menu by entering a password.??? All other buttons are not used! CS 720 Service Manual Revision 1.1 Page 10...
  • Page 19: Emergency Stop Buttons

    5.4 Emergency Stop Buttons There is a number of large emergency stop buttons mounted throughout the Belimed CS 720. These buttons are for protection. Activation of any one of these switches will deactivate certain components as described below and cause the appropriate “FAULT – EMERGENCY STOP”...
  • Page 20: Chemical Dosing Unit

    5.6 Door Operation The Belimed CS 720 has two bi-folding door sections. One each at the entrance, and exit of the washer. The door functions are controlled primarily by the process control. In SERVICE mode the door functions can be accessed from the control panel.
  • Page 21: Operation

    The main power disconnect switch is located in the supply room on the supply cabinet. This switch disconnects all power to the main control. Under normal operation this switch is left in the “ON” position. CS 720 Service Manual Revision 1.1 Page 13...
  • Page 22: Program Ready

    Once the tank temperature buttons have changed to green the display will change to the “Program Ready” screen and the Belimed CS 720 will be ready for operation. If the clean side door is open or the spray ring is not in the up position, the “Machine Not Ready” screen will remain.
  • Page 23: Description Of Operation

    Program time is dependent on the number of wash and rinse repetitions and the program height. Wash Pump The wash pump takes wash water containing detergent from the supply tank unit and pumps it through the wash manifold. CS 720 Service Manual Revision 1.1 Page 15...
  • Page 24: Doors

    All doors remain normally closed and are opened only for loading and unloading in automatic mode, or on manual key or push button input during fault, service or maintenance mode. CS 720 Service Manual Revision 1.1 Page 16...
  • Page 25 If the flapper up signal is not made within the specified time, fault signals are set in the same fashion as described for opening. CS 720 Service Manual Revision 1.1 Page 17...
  • Page 26: Program Selection

    6.5.1 Factory Pre-set Programs The Belimed CS 720 is shipped with three factory-selected programs. Each program is adjustable by the user (requires service password) at the control panel. Programs are adjusted by changing the number of repetitions in the wash and rinse cycles and aby adjusting the time for the dry cycle.
  • Page 27: Setting The Program Parameters

    Once the clean side door is closed the process control will automatically open the Decontam side door in preparation for the next cart. CS 720 Service Manual Revision 1.1 Page 19...
  • Page 28: Faults - Intervention And Resolution

    “CLOSE DS DOOR” button, until the DS Door is fully closed. Press the button labeled “RESET FAULT”. The fault screen will disappear and the normal screen will reappear (Automatic Mode). The wash program will restart. CS 720 Service Manual Revision 1.1 Page 20...
  • Page 29: Ds Door

    The “FAULT – CS DOOR” screen display is caused by any of the following conditions: The CS Door is not fully closed, after the signal to automatically close the door has been issued by the process control. CS 720 Service Manual Revision 1.1 Page 21...
  • Page 30: Fault - Tank Not Filling

    The Tank not heating fault is set when the sensors within the tank do not recognize the desired water temperature. This can be caused by a stuck steam valve, a faulty sensor, and a faulty steam trap. Proceed as follows: CS 720 Service Manual Revision 1.1 Page 22...
  • Page 31: Fault -No Water Pressure

    The Fault emergency stop is activated when one of the various emergency stop switches has been pushed. Before clearing the emergency stop fault, be sure to inspect the machine to determine why it was pressed. 7.1.8 Fault? CS 720 Service Manual Revision 1.1 Page 23...
  • Page 32: Maintenance

    When doing so be careful that no particles (screws, nuts, etc.) fall under the suction elbow. Once channel is clean, place screens back in their respective places. CS 720 Service Manual Revision 1.1 Page 24...
  • Page 33: Weekly Maintenance

    Clean the water regulator strainer if applicable. You must shut off the water supply before proceeding. Drain supply Tank; check probes and temperature sensors inside the supply tank for build up. Clean if necessary. Follow proper refill procedure. CS 720 Service Manual Revision 1.1 Page 25...
  • Page 34: Door Seals

    8.3.3 Chamber WARNING: PRESS EMERGENCY STOP BEFORE PROCEEDING. Check the spray manifold cables for fraying. Notify Maintenance if necessary. CS 720 Service Manual Revision 1.1 Page 26...
  • Page 35: Parts List

    9.8 Chamber Lighting (Wash and Drying) 9.9 Wash Chamber 9.9.1 Chamber Screens 9.9.2 Exhaust Fan 99.3 Spray Ring 9.9.4 Hoist Mechanism 9.10 Drying Chamber Air Re-circulation System 9.11 Wash and Rinse Supply Tanks CS 720 Service Manual Revision 1.1 Page 27...
  • Page 36: Electrical Cabinet

    9.1 Electrical Cabinet TSX3722101 IIHE2472 280646 154774 110866 S271K20 PKZM110 154774 280646 17700 PNEUMATICS .MANIFOLD CS 720 Service Manual Revision 1.1 Page 28...
  • Page 37 IHE2472 Power Supply 208V-24VDC, 7.2A S271K20 Breaker, 20 Amp 280646 Terminal Block, 2x2 154774 Contactor, blower& hoist ES387 110866 Relay, Dosing pump ES387 PKZM110 Breaker, Adjustable 1-10amp 17700 Switch, Main power ES387 CS 720 Service Manual Revision 1.1 Page 29...
  • Page 38: Pneumatic Manifold

    9.2 Pneumatic Manifold 201211 ___102648 201224 VQ1000 201190 VQ1000A 20900 201190 CS 720 Service Manual Revision 1.1 Page 30...
  • Page 39 201 211 Regulator, Air Primary ES387 201 224 Regulator, Air secondary ES387 102 648 Gauge, Air 1/4npt ES387 VQ1000 Manifold, Pneumatic ES387 with block plate VQ1000A Manifold, Pneumatic ES387 without block plate CS 720 Service Manual Revision 1.1 Page 31...
  • Page 40: Lifting Flaps (Ds And Cs)

    9.3 Lifting Flaps (DS and CS) CS 720 Service Manual Revision 1.1 Page 32...
  • Page 41 Item number Name Annotation 93 693 Linkage, connecting end G 10x40 104 952 Piston, lift pneumatic ES387 D 32, stroke 100 CS 720 Service Manual Revision 1.1 Page 33...
  • Page 42: Door Mechanism (Ds And Cs)

    9.4 Door Mechanism (DS and CS) CS 720 Service Manual Revision 1.1 Page 34...
  • Page 43 126 555 Gasket Window Pane 129 806 Door hinge 131 699 Bushing, Door 22 x 1 Pipe PTFE - natural 131 750 Door Guide Right side 132 567 Door Guide Left side CS 720 Service Manual Revision 1.1 Page 35...
  • Page 44: Door Operator

    9.5 Door Operator CS 720 Service Manual Revision 1.1 Page 36...
  • Page 45 103049 Throttle valve, Piston ES387 R1/4" 104 951 Switch, Reed piston ES387 131 704 Switch element 131 619 Piston, door pneumatic ES387 D 63, stroke 200 145 736 Guide, door track ES387 CS 720 Service Manual Revision 1.1 Page 37...
  • Page 46: Tilt Mechanism (Wash And Drying)

    9.6 Tilt Mechanism (Wash and Drying) 200883 104952 201171 Detail View A-A CS 720 Service Manual Revision 1.1 Page 38...
  • Page 47 Item number Name Annotation 104952 Piston, Lifting 200 883 Read switch, Piston 201 171 Throttle valve, Piston CS 720 Service Manual Revision 1.1 Page 39...
  • Page 48: Chamber Lighting

    9.7 Chamber Lighting 26106 72611003 CS 720 Service Manual Revision 1.1 Page 40...
  • Page 49 Item number Name Annotation 72611003 Light, Ceiling mounted spot 26106 Bulb, Flood 220V CS 720 Service Manual Revision 1.1 Page 41...
  • Page 50: Wash Chamber

    9.8 Wash Chamber CS 720 Service Manual Revision 1.1 Page 42...
  • Page 51 Rd. 40 x 22 long 126555 Gasket, Window Pane Perimeter 23746 Gasket, Window Pane Filler profile 91564 Window Pane 135 857 Gasket, Door Rubber sponge 17 x 22,5 131 739 Spray Ring CS 720 Service Manual Revision 1.1 Page 43...
  • Page 52: Chamber Screens

    9.8.1 Chamber Screens CS 720 Service Manual Revision 1.1 Page 44...
  • Page 53 131 621 Hose Clamp D. 30 131 710 Screen Stainless Steel Angled 131 711 Handle, Interior screen ES387 150 623 Hose for suction plate 2” x 2” ID = 50 x 50 mm CS 720 Service Manual Revision 1.1 Page 45...
  • Page 54: Exhaust Fan

    9.8.2 Exhaust Fan CS 720 Service Manual Revision 1.1 Page 46...
  • Page 55 Item number Name Annotation 135854 Blower Motor, w/housing 208V, 60Hz. 71 187 Drain Connection for condensate CS 720 Service Manual Revision 1.1 Page 47...
  • Page 56: Spray Ring

    9.8.3 Spray Ring Optional 125267 Rinse Wash Ring Detail View X 125267 CS 720 Service Manual Revision 1.1 Page 48...
  • Page 57 Item number Name Annotation 85 861 Cable, Spray ring Stainless steel 125 267 Spray Jet 90 ° 129 801 Guide. Spray ring RCH 1000 CS 720 Service Manual Revision 1.1 Page 49...
  • Page 58: Hoist Mechanism

    9.8.4 Hoist Mechanism CS 720 Service Manual Revision 1.1 Page 50...
  • Page 59 17 912 Shock Absorber 2 245 Spring, Tensioning 8 123 Bearing, Hoist motor 9 072 Switch, Limit 9 868 Sprocket, Hoist motor 60 933 Motor, Hoist Assembly 208 V, delta 60 Hz CS 720 Service Manual Revision 1.1 Page 51...
  • Page 60: Wash And Rinse Supply Tanks

    9.9 Wash and Rinse Supply Tanks CS 720 Service Manual Revision 1.1 Page 52...
  • Page 61 Hose, ES387 Drain 3id x 12” ID = 60 x 300 long 150 133 Steam Trap, 3/4"fpt ES387 R 3/4" 160 930 Pump, Wash 208 V, delta 60 Hz 103079 Valve, Air ES387 supply tank CS 720 Service Manual Revision 1.1 Page 53...
  • Page 62: Diagrams

    10. Diagrams 10.1 Electrical 10.2 Plumbing 10.3 Air Re-circulation 10.4 Pneumatic CS 720 Service Manual Revision 1.1 Page 54...

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