1. Manuals
  2. Brands
  3. Chopin Manuals
  4. Laboratory Equipment
  5. Mixolab 2
  6. Maintenance manual

Chopin Mixolab 2 Maintenance Manual

Hide thumbs Also See for Mixolab 2:
Table of Contents

Advertisement

Quick Links

Mixolab 2
Maintenance manual
09/2016
20, avenue Marcellin Berthelot - Z.I. du Val de Seine
92396 Villeneuve La Garenne cedex - France
Tél. : 33 (0)1 41 47 50 88 - Fax. : 33 (0)1 47 92 28 27
ww.chopin.fr

Advertisement

Table of Contents
loading

Related Manuals for Chopin Mixolab 2

Summary of Contents for Chopin Mixolab 2

  • Page 1 Mixolab 2 Maintenance manual 09/2016 20, avenue Marcellin Berthelot - Z.I. du Val de Seine 92396 Villeneuve La Garenne cedex - France Tél. : 33 (0)1 41 47 50 88 - Fax. : 33 (0)1 47 92 28 27 ww.chopin.fr...
  • Page 3 Note to the reader The technical elements in this manual (texts and illustrations) are not contractually binding; their sole purpose is to provide assistance in troubleshooting and repairing Mixolab 2 instruments. Copies of any parts of this manual, for any purpose unrelated to operation of this instrument, are strictly prohibited without the written express consent of CHOPIN Technologies.

  • Page 5: Table Of Contents

    Mixolab 2 Table of content Chapter 1 Use and maintenance: reminders and further information ... . . 7 Operating conditions ........9 Precautions relating to tests .
  • Page 6 Mixolab 2 Maintenance manual 09/2016...

  • Page 7: Chapter 1 Use And Maintenance: Reminders And Further Information

    Mixolab 2 Chapter 1 USE AND MAINTENANCE: REMINDERS AND FURTHER INFORMATION Maintenance manual 09/2016...
  • Page 8 Mixolab 2 Maintenance manual 09/2016...

  • Page 9: Operating Conditions

    Avoid placing the Mixolab 2 near a window, especially if it is exposed to sunlight for several hours. The Mixolab 2 should not be placed up against a wall. Leave a sufficient gap behind it to ensure proper ventilation. There must be enough to allow for other handling operations.

  • Page 10: Precautions Relating To Tests

    Mixolab 2 ■ Environment ❏ Operating temperature: Laboratory temperature: + 10°C to +30°C ❏ Humidity: Usage: RH ❏ Pollution: The Mixolab is designed to be used in pollution-free conditions, only dry and non-conductive pollution. ❏ Cooling circuit water The temperature of the cooling circuit water must be between 15 and 20°C.

  • Page 11: Inspection And Maintenance

    Mixolab 2 Inspection and ■ Status of the LED indicator on the front panel maintenance Colour/LED status Status Note Mixolab powered down Green Mixolab ready Flashing green Electronics initialization (memory) or 230V Chapter 2 problem on the board Orange Motor running (MIXOLAB in cycle)
  • Page 12 Note: For passwords, see the procedures in this manual. ❏ History The "Mixolab Chopin" software includes a history of settings and errors that can be used for maintenance of the Mixolab. To access it, click "History" then "History". ❏ Software updates An "Update"...
  • Page 13 (part wear, environment, handling). ACCREDITED REPAIRMAN Users are also advised to have a full servicing operation carried out on their equipment by an authorized CHOPIN engineer or repair- man. Recommended frequency: 1 year, possibly 2 years if it is not used intensively.
  • Page 14 Mixolab 2 Maintenance manual Chapter 1 Use and maintenance: re- 09/2016 minders and further information...

  • Page 15: Chapter 2 Trouble-Shooting

    Mixolab 2 Chapter 2 TROUBLE-SHOOTING Maintenance manual 09/2016...
  • Page 16 Mixolab 2 Maintenance manual 09/2016...

  • Page 17: Method

    This chapter helps you determine the cause of a given fault and possibly quarantine the faulty component or subassembly; in which case the requisite actions are specified. When contacting Chopin Technologies After-Sales, always state the serial number of the instrument. Method ■...

  • Page 18: Handling Faults

    Mixolab 2 Handling faults Before removing the hood from any instrument, shut off the power and unplug the power cord. If power is required when manipulating objects with the instrument's hood open, take the customary precautions. A Error messages ERR no.
  • Page 19 Mixolab 2 ERR no. Display/Description Action Chap.3 § ■ Confirm on the maintenance screen. ERR 14 "Bowl unit temperature rise problem!" After 5 minutes' calibration, bowl unit ■ Cooling too intense: T° < 90% of the setpoint) - Test the solenoid valve on the maintenance screen and observe its draining efficiency;...
  • Page 20 Mixolab 2 ERR no. Display/Description Action Chap.3 § ■ Power off then power on the Mixolab. ERR 16 "Electronic problem on bowl unit heater!" ■ CPU board problem Permanent bowl unit heating - Check all electrical connections on the Mix- command detected by the heat safety olab's CPU board.
  • Page 21 Mixolab 2 ERR no. Display/Description Action Chap.3 § ■ Power off then power on the Mixolab. ERR 31 "Electronic fault on the Mixolab!" Memory checksum or access ■ CPU board problem problem - Check all electrical connections on the Mix- olab's CPU board.
  • Page 22 Mixolab 2 ERR no. Display/Description Action Chap.3 § ERR 51 "Motor blocked, or speed measuring Switch off then switch on the instrument. problem!" 1. If the mixing blades are not rotating: Measured speed = 0 rpm ■ Run a test without the bowl: If the...
  • Page 23 Mixolab 2 ERR no. Display/Description Action Chap.3 § ■ Confirm motor malfunction on the ERR 52 "Motor overload (speed not attained)!" maintenance screen (speed < setpoint). Measured speed (all acquisitions) ■ The Mixolab indicator light is not green -> < 80% of the setpoint for 20 seconds wait for the bowl to cool down.
  • Page 24 Mixolab 2 ERR no. Display/Description Action Chap.3 § ■ Cover open -> close it an press OK. ERR 7 “Start attempted while the cover is open!” ■ Test the sensor on the maintenance Motor start attempted while the cover screen:...
  • Page 25 Mixolab 2 ERR no. Display/Description Action Chap.3 § ■ Check operation of the pump on the ERR 9 "Water dosing problem!" maintenance screen: Pump stroke end timeout when filling; - Place the nozzle on the tank, stroke end contact not reached after...
  • Page 26 Mixolab 2 B Other faults Symptom/Description Action See § ■ Bowl temperature takes too long to fall Test start-up time very long. (check on the maintenance screen): - The bowl is cleaned with hot water -> cool down the bowl before starting a test.
  • Page 27 Mixolab 2 Symptom/Description Action See § ■ Power off the instrument and power it back No water being injected in the mixing bowl on after more than 30 seconds Is the draining process performed during initialization? ● If YES, perform a dosing in the menu maintenance.

  • Page 28: Interconnection Diagrams

    Mixolab 2 Interconnection The diagrams below can be used as “memos” for locating faults. diagrams Solenoid valve Mixer Power cooling circuit Mains motor board power unit Induction sensor USB board Torque meter Safety device Dough thermocouple board heating Heating Quick...
  • Page 29 Mixolab 2 General circuit diagrams Maintenance manual Chapter 2 Trouble-shooting 09/2016...
  • Page 30 Mixolab 2 Maintenance manual Chapter 2 Trouble-shooting 09/2016...

  • Page 31: Chapter 3 Repairs

    Mixolab 2 Chapter 3 REPAIRS Maintenance manual 09/2016...
  • Page 32 Mixolab 2 Maintenance manual 09/2016...

  • Page 33: Introduction

    Mixolab 2 Chapter 3. Repairs This chapter explains in detail the corrective maintenance operations permitted by CHOPIN on the Mixolab 2 (some of them are more particularly referred to in chapter "Trouble-shooting"). Spare parts and subassemblies must be selected in the reference lists in chapter 4 "Spare...
  • Page 34 Mixolab 2 Operation Consumables Special tools Skills set Basic operations Operation 1-1 Removing/replacing the Mechanic Mixolab's hood (left and right covers) Operation 1-2 Removing/replacing the Plastic clamping Mechanic central cover ring Operation 1-3 Electrical, pneumatic and hydraulic interconnections Operation 1-4 Filter switch...
  • Page 35 Mixolab 2 Operation Consumables Special tools Skills set Operation 3-4 Removing/replacing the Mechanic encoded magnet detector and the encoded magnet Operation 3-5 Removing/replacing the Mechanic wired suction pad Hydraulic components Operation 4-1 Removing/replacing the Mechanic double-level detector with temperature sensor...
  • Page 36 Mixolab 2 Operation Consumables Special tools Skills set Operation 6-8 Removing/replacing the Plastic clamping Mechanic distribution block ring Silicone heat compound 1201 Weak thread- lock (Loctite) Operation 6-9 Removing/replacing the Weak thread- Mechanic mixing blade coupling lock (Loctite) Assembled USB board bracket...
  • Page 37 Mixolab 2 Operation Consumables Special tools Skills set Operation 12-8Calibrating the Mixolab's Scales accu- Technician pump rate to within 1/ 100 g Container Operation 12-9Adjusting the torque meter Voltmeter (DC) Technician Operation 12-10Setting the flour K factor Chopin Technician reference flour...
  • Page 38 Mixolab 2 Maintenance manual Chapter 3 Repairs 09/2016...

  • Page 39: Instructions

    Mixolab 2 Instructions See following pages. Maintenance manual Chapter 3 Repairs 09/2016...
  • Page 40 Mixolab 2 1: Basic operations Page: 1 / 1 Operation 1-1 Removing/replacing the Mixolab's hood (left and right covers) Consumables: Tools: Before removing the hood from any instrument, its power supply must be disconnected. ■ Left-hand cover Unscrew the two retaining screws on the left-hand cover (A).
  • Page 41 Mixolab 2 1: Basic operations Page: 1 / 2 Operation 1-2 Removing/replacing the central cover Consumables: Plastic clamping ring Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1). Unscrew the two retaining screws on the central cover (A).
  • Page 42 Mixolab 2 1: Basic operations Page: 2 / 2 Operation 1-2 Removing/replacing the central cover Consumables: Plastic clamping ring Tools: Remove the retaining ring on the upper spindle of the gas spring (H) then push the gas spring forwards. 10. Loosen the retaining screw on the distribution block cover (I).
  • Page 43 Mixolab 2 1: Basic operations Page: 1 / 1 Operation 1-3 Electrical, pneumatic and hydraulic interconnections Consumables: Tools: ❏ Remove the left and right covers of the Mixolab (see op. 1-1), except for the hydraulic hoses under the Mixolab. Special instructions for connections that may pose a problem: Electrical connections ❏...
  • Page 44 Mixolab 2 1: Basic operations Page: 1 / 1 Operation 1-4 Filter switch Consumables: Tools: Removing/replacing the filter switch Remove the right-hand cover of the Mixolab (see op. 1-1). Locate each electrical wire on the switch on the grey ter- minal block (A).
  • Page 45 Mixolab 2 1: Basic operations Page: 1 / 1 Operation 1-5 Antivibration feet Consumables: Tools: Place the Mixolab on its side, letting it rest on its left-hand side (as seen from the front). Unscrew the locknuts from the feet (A).
  • Page 46 Mixolab 2 1: Basic operations Page: 1 / 1 Operation 1-6 Removing/replacing the wired three-color LED Consumables: Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1). Disconnect the LED's connector on the CPU board (A). Unscrew the LED's locking nut on the central cover, remove the LED from the cover (B).
  • Page 47 Mixolab 2 1: Basic operations Page: 1 / 1 Operation 1-7 Removing/replacing the electronic parts support Consumables: Tools: ■ Dismantling Remove the right-hand cover of the Mixolab (see op. 1-1). Thread the tank's hose through the opening (A). Remove all the connectors on the CPU board. Be careful to position each of them correctly.
  • Page 48 Mixolab 2 2: Bowl mounting plate Page: 1 / 2 Operation 2-1 Removing/replacing resistors and the temperature fuse Consumables: Compound grease with silver-plated copper, for cartridge heaters Silicone mastic (or equivalent) Heat dissipation compound Tools: Remove the Mixolab's left and right-hand covers (see op.
  • Page 49 Mixolab 2 2: Bowl mounting plate Page: 2 / 2 Operation 2-1 Removing/replacing resistors and the temperature fuse Consumables: Compound grease with silver-plated copper, for cartridge heaters Silicone mastic (or equivalent) Heat dissipation compound Tools: Remove the upper bar (F) and its two retaining screws.
  • Page 50 Mixolab 2 2: Bowl mounting plate Page: 1 / 1 Operation 2-2 Removing/replacing the wired PT100 temperature sensor Consumables: Silicone heat dissipation mastic Silicone mastic Tools: Plastic clamping ring Remove the Mixolab's left and right-hand covers (see op. 1-1). Remove the silicone mastic (A) retaining the temperature sen- sor on the white plastic plate.
  • Page 51 Mixolab 2 2: Bowl mounting plate Page: 1 / 1 Operation 2-3 Removing/replacing the wired thermocouple Consumables: Tools: Flat pliers Remove the Mixolab's left and right-hand covers (see op. 1-1). Unscrew the wired thermocouple's connector then disconnect the connector from the sensor (A).
  • Page 52 Mixolab 2 2: Bowl mounting plate Page: 1 / 1 Operation 2-4 Removing/replacing the thermocouple's miniature plug Consumables: Tools: Small screwdriver Remove the Mixolab's left and right-hand covers (see op. 1-1) and central cover (see op. 1-2). Locate each electric wire on the thermocouple's plug.
  • Page 53 Mixolab 2 2: Bowl mounting plate Page: 1 / 2 Operation 2-5 Removing/replacing the bowl's magnetic sensor Consumables: Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1) and central cover (see op. 1-2). Disconnect the magnetic sensor's connector on the CPU board (A).
  • Page 54 Mixolab 2 2: Bowl mounting plate Page: 2 / 2 Operation 2-5 Removing/replacing the bowl's magnetic sensor Consumables: Tools: Cable gland White plastic plate Upper part of the cable gland Magnetic sensor mm recessed sensor Maintenance manual Chapter 3 Repairs...
  • Page 55 Mixolab 2 2: Bowl mounting plate Page: 1 / 1 Operation 2-6 Removing/replacing the locking contact Consumables: Silicone mastic (or equivalent) Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1). Remove the two retaining screws from the aluminium block on the central cover (A).
  • Page 56 Mixolab 2 2: Bowl mounting plate Page: 1 / 1 Operation 2-7 Removing/replacing the Mixolab bowl's brackets Consumables: Tools: Pliers Remove the bowl from the Mixolab. Unscrew the bowl's cap screw (A). Remove the front panel (B). Remove the two mixing blades (C).
  • Page 57 Mixolab 2 3: Outer cover Page: 1 / 1 Operation 3-1 Removing/replacing the gas spring's protective plate Consumables: Tools: Lift the assembled outer cover (A) (make allowance for the pull of the magnet). Lift the cover head guard. Unscrew the two retaining screws on the gas spring protective plate (B).
  • Page 58 Mixolab 2 3: Outer cover Page: 1 / 1 Operation 3-2 Removing/putting back the cover head guard Consumables: Tools: Lift the assembled outer cover (A) (make allowance for the pull of the magnet). Unscrew the four retaining screws on the cover's articulation (B) (hold the cover while doing so to prevent it falling).
  • Page 59 Mixolab 2 3: Outer cover Page: 1 / 1 Operation 3-3 Removing/putting back the gas spring Consumables: Plastic clamping rings Tools: Lift the assembled outer cover (A) (make allowance for the pull of the magnet). Remove the gas spring protective plate (see op.
  • Page 60 Mixolab 2 3: Outer cover Page: 1 / 1 Operation 3-4 Removing/replacing the encoded magnet detector and the encoded magnet Consumables: Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1) and central cover (see op. 1-2). Remove the two retaining screws on the encoded magnet (A) and remove the encoded magnet.
  • Page 61 Mixolab 2 3: Outer cover Page: 1 / 1 Operation 3-5 Removing/replacing the wired suction pad Consumables: Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1) and central cover (see op. 1-2). Unscrew the spring-loaded screw retaining the wired suction pad (A).
  • Page 62 Mixolab 2 4: Hydraulic components Page: 1 / 2 Operation 4-1 Removing/replacing the double-level detector with temperature sensor Consumables: Tools: Remove the tank (see op. 1-1) then empty and dry it. Remove the 4 retaining screws from the tank base.
  • Page 63 Mixolab 2 4: Hydraulic components Page: 2 / 2 Operation 4-1 Removing/replacing the double-level detector with temperature sensor Consumables: Tools: Thread the new detector's cable through a new coupling washer. Insert the cable via the base of the tank. 10. Screw the detector bracket on from the inside using the MIX-300/OUT tool.
  • Page 64 Mixolab 2 4: Hydraulic components Page: 1 / 1 Operation 4-2 Removing/replacing the wired resistor and temperature limiting device Consumables: Silicone mastic (or equivalent), heat dissipating compound Tools: Remove the tank (see op. 1-1) then empty and dry it. Remove the 4 retaining screws from the tank base.
  • Page 65 Mixolab 2 4: Hydraulic components Page: 1 / 1 Operation 4-2 Removing/replacing the wired resistor and temperature limiting device Consumables: Silicone mastic (or equivalent), heat dissipating compound Tools: ■ Reassembly Coat the new resistor and its speed-limiting device with heat dissipating compound.
  • Page 66 Mixolab 2 4: Hydraulic components Page: 1 / 1 Operation 4-3 Removing/replacing the assembled tank hose Consumables: Tools: ■ Dismantling Remove the right-hand cover (see op. 1-1). Push the hose through the opening (A). Remove the screw of the self-induction coil and remove the ring (B).
  • Page 67 Mixolab 2 4: Hydraulic components Page: 1 / 1 Operation 4-4 Removing/replacing the wired pump solenoid valve Consumables: Tools: Remove the right-hand cover (see op. 1-1). Disconnect the three hydraulic hoses from the solenoid valve. The hoses must be handled with care. The water in the hoses could damage electronic components.
  • Page 68 Mixolab 2 4: Hydraulic components Page: 1 / 1 Operation 4-5 Removing/replacing the assembled pump Consumables: Plastic clamping ring Tools: Remove the right-hand cover (see op. 1-1). Disconnect the hose from the pump's elbow coupling (Aa). The hoses must be handled with care. The water in the hoses could damage electronic components.
  • Page 69 Mixolab 2 4: Hydraulic components Page: 1 / 1 Operation 4-6 Removing/replacing the water injection nozzle Consumables: Tools: Leave the water injection nozzle in its housing. Disconnect the hose from the water injection nozzle by press- ing the flange ring on the hydraulic coupler (A).
  • Page 70 Fit the new assembled solenoid and fix it with the two screws (B). 10. Reconnect the hoses to the solenoid valve. 11. Put the Mixolab 2 flat on its feet. 12. Check the cooling circuit (see op. 12-6).
  • Page 71 Mixolab 2 6: Motor and transmission Page: 1 / 2 Operation 6-1 Removing/replacing wired motor Consumables: Plastic clamping ring Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1) and central cover (see op. 1-2). Disconnect the wired motor connector on the CPU board (A) (cut the cable ties if necessary).
  • Page 72 Mixolab 2 6: Motor and transmission Page: 2 / 2 Operation 6-1 Removing/replacing wired motor Consumables: Plastic clamping ring Tools: Remove the two retaining screws from the sensor bracket (E) then remove the sensor with its bracket. Loosen the set screw on the coupling on the motor side (F).
  • Page 73 Mixolab 2 6: Motor and transmission Page: 1 / 1 Operation 6-2 Removing/replacing the painted counting disc Consumables: Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1). Unscrew the two retaining screws on the thumb wheel (A) then remove it.
  • Page 74 Mixolab 2 6: Motor and transmission Page: 1 / 1 Operation 6-3 Removing/replacing the induction sensor Consumables: Tools: Set of spacers Remove the Mixolab's left and right-hand covers (see op. 1-1). Disconnect the induction sensor's connector on the CPU board (A) (same connector as for the torque measuring cable).
  • Page 75 Mixolab 2 6: Motor and transmission Page: 1 / 1 Operation 6-4 Removing/replacing the motor coupling Consumables: Plastic clamping ring Weak threadlock (Loctite) Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1) and central cover (see op. 1-2).
  • Page 76 Mixolab 2 6: Motor and transmission Page: 1 / 1 Operation 6-5 Removing/replacing the torque meter bracket Consumables: Plastic clamping ring Weak threadlock (Loctite) Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1) and central cover (see op.
  • Page 77 Mixolab 2 6: Motor and transmission Page: 1 / 1 Operation 6-6 Removing/replacing contactless torque meter Consumables: Plastic clamping ring Silicone heat compound 1201 Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1) and central cover (see op.
  • Page 78 Mixolab 2 6: Motor and transmission Page: 1 / 1 Operation 6-7 Removing/replacing the torque measuring cable Consumables: Plastic clamping ring Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1). Disconnect the connector of the torque measuring cable on the CPU board (A).
  • Page 79 Mixolab 2 6: Motor and transmission Page: 1 / 2 Operation 6-8 Removing/replacing the distribution block Consumables: Plastic clamping ring Weak threadlock (Loctite) Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1) and central cover (see op. 1-2).
  • Page 80 Mixolab 2 6: Motor and transmission Page: 2 / 2 Operation 6-8 Removing/replacing the distribution block Consumables: Plastic clamping ring Weak threadlock (Loctite) Tools: ■ Adjusting the mixing blades 12. Loosen the couplings at the bowl end (E). Note: To adjust this, it is imperative that the mixing bowl is locked in place.
  • Page 81 Mixolab 2 6: Motor and transmission Page: 1 / 2 Operation 6-9 Removing/replacing the mixing blade coupling Consumables: Weak threadlock (Loctite) Tools: Remove the Mixolab's left and right-hand covers (see op. 1-1) and central cover (see op. 1-2). Unlock and remove the bowl from the mixer.
  • Page 82 Mixolab 2 6: Motor and transmission Page: 2 / 2 Operation 6-9 Removing/replacing the mixing blade coupling Consumables: Weak threadlock (Loctite) Tools: ■ Adjusting the mixing blades 12. Fit the mixing bowl with the mixing blades. 13. Loosen the couplings at the bowl end (F).
  • Page 83 Mixolab 2 7: Assembled USB board bracket Page: 1 / 1 Operation 7-1 Removing/replacing the USB interface board Consumables: Tools: 230VAC present, disconnect the instrument. Remove the right-hand cover of the Mixolab (see op. 1-1). Disconnect the RJ45 connector from the assembled USB board (A).
  • Page 84 Mixolab 2 8: 1.2A self-induction coil Page: 1 / 1 Operation 8-1 Removing/replacing the 1.2A self-induction coil Consumables: Tools: 230VAC present, disconnect the instrument. Remove the electronic components' support (see op. 1-7). Disconnect the self-induction coil 1.2A connector on the CPU board (A).
  • Page 85 Mixolab 2 9: Mixolab CPU board Page: 1 / 1 Operation 9-1 Removing/replacing the CPU board Consumables: Tools: 230VAC present, disconnect the instrument. Remove the right-hand cover of the Mixolab (see op. 1-1). Disconnect all the connectors on the CPU board.
  • Page 86 Mixolab 2 10: Check the proportioning pump Page: 1 / 2 Operation 10-1 Removing/replacing the proportioning pump controller Consumables: Tools: Remove the right-hand cover of the Mixolab (see op. 1-1) Note: If you have difficulty accessing the controller's screws, take out the electronic components' support (see op.
  • Page 87 Mixolab 2 10: Check the proportioning pump Page: 2 / 2 Operation 10-1 Removing/replacing the proportioning pump controller Consumables: Tools: Fit the new proportioning pump controller by sliding its support onto the bottom screw. Lock the controller in place by tightening the top screw (B).
  • Page 88 Mixolab 2 11: Power-supply board Page: 1 / 1 Operation 11-1 Removing/replacing the power-supply board Consumables: Tools: 230VAC present, disconnect the instrument. Remove the right-hand cover of the Mixolab (see op. 1-1). Disconnect the two electrical connectors from the power-sup- ply board (A).
  • Page 89 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1 / 1 Operation 12-1 Updating the Mixolab software Consumables: Tools: In the MIXOLAB software, click the "Update" menu then select "Transfer new software" (A). In the "Transfer new software" window (B), enter the password 1576 then click "Confirm".
  • Page 90 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1 / 1 Operation 12-1 Updating the Mixolab software Consumables: Tools: A window "Switch on the MIXOLAB then press OK" is dis- played (E). Press "OK". Then switch on the Mixolab; the software update runs.
  • Page 91 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1 / 2 Operation 12-2 Calibrating the bowl & thermocouple temperature Consumables: Tools: Thermometer with a precision of ±0.1°C Bowl “full” Check on the maintenance screen that the Mixolab's setpoint temperature for the bowl is preset to 30°C (A).
  • Page 92 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 2 / 2 Operation 12-2 Calibrating the bowl & thermocouple temperature Consumables: Tools: Thermometer with a precision of ±0.1°C Click the brown tab (C) (actual temperature of the bowl) under the setpoint temperature to access the heating block tempera- ture setting window.
  • Page 93 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1 / 2 Operation 12-3 Calibrating the tank temperature Consumables: Tools: Thermometer with a precision of ±0.1°C, polystyrene cover Start the Mixolab. Click on the "Configuration" tab then "Maintenance", wait for the tank temperature to reach the target value (A).
  • Page 94 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1/4 Operation 12-4 Calibrating dough temperature Consumables: Tools: ■ Determining the temperature calibration coefficient: To adjust the temperature curve of a bowl x in relation to a reference bowl, we first need a calibration coefficient.
  • Page 95 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 2/4 Operation 12-4 Calibrating dough temperature Consumables: Tools: Calibration window, check that the coefficients CoefEtalTemp1 and 2 = 0 (C). If so, close the window, otherwise set them to 0 as instructed in...
  • Page 96 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 3/4 Operation 12-4 Calibrating dough temperature Consumables: Tools: The "Temperature calibration" menu appears, click the cali- bration coefficient manual entry button (E): Then confirm the following confirmation message (F).
  • Page 97 20 minutes called "Ref. T° at 20 min.", Prepare and run a test with the Chopin+ protocol (with the cal- ibration coefficient at zero). At the end of the test, make a note of this test's dough temperature at 20 minutes called "Test T°...
  • Page 98 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1 / 1 Operation 12-5 Measuring the motor's rotation speed (at 80 rpm and 250 rpm) Consumables: Tools: Tachometer Before opening the Mixolab, you must switch it off and discon- nect its power supply.
  • Page 99 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1 / 1 Operation 12-6 Checking the cooling circuit Consumables: Tools: Note:To check the cooling circuit, the Mixolab preferably needs to Cryostat be connected to the water via a cryostat (see opposite) Access the Mixolab's maintenance menu.
  • Page 100 Note: To adjust the flow rate of the solenoid valve, the Mixolab pref- erably needs to be connected to the water via a cryostat at a temperature of 20°C. Connect a flow meter to the "IN" inlet of the Mixolab 2 (A). Cryostat Débitmètre Open the cooling system's solenoid valve (B).
  • Page 101 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1 / 4 Operation 12-8 Calibrating the Mixolab's pump Consumables: Distilled water Tools: Container, scales accurate to within 1/100 g ■ Calibration On the "Configuration" tab then "Maintenance", on the drawing of the pump, click the brown corner (A).
  • Page 102 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 2 / 2 Operation 12-8 Calibrating the Mixolab's pump Consumables: Tools: Repeat steps 6 to 8 twice. Take the average of the 3 resulting values and fill in the table.
  • Page 103 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1 / 2 Operation 12-9 Adjusting the torque meter Consumables: Tools: Voltmeter (DC) Setting 1.8V Do likewise to set the voltage between the Brown and Black wires to between 1.8 V and 2.1 V(A).
  • Page 104 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 2 / 2 Operation 12-9 Adjusting the torque meter Consumables: Tools: Multimeter Sensor gain The sensor's gain is indicated on a yellow label (see photo oppo- site). Note it carefully.
  • Page 105 OK to confirm and close. Run a test with a flour whose main features are known (humid- ity, hydration and hydration base) using the CHOPIN protocol. Stop the test after 10 minutes and record torque C1. Note: If 1.05 Nm<C1<1.15 Nm, the K Flour setting is satisfactory.
  • Page 106 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1 / 2 Operation 12-11 Full calibration Consumables: Tools: Thermometer with a precision of ±0.1°C This calibration is done after all the other calibrations. On the "Configuration" tab then "Full calibration" (A), enter the password (1576).
  • Page 107 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1 / 1 Operation 12-12 Checking the characteristics of a PT100 temperature sensor Consumables: Tools: Multimeter Before opening the Mixolab, you must switch it off and dis- connect its power supply.
  • Page 108 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1 / 1 Operation 12-13 Checking the heating circuit Consumables: Tools: Multimeter Before opening the Mixolab, you must switch it off and discon- nect its power supply. Remove the Mixolab's left and right-hand covers (see op.
  • Page 109 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1 / 1 Operation 12-14 Checking supply voltages Consumables: Tools: Voltmeter Before opening the Mixolab, you must switch it off and discon- nect its power supply. Remove the right-hand cover of the Mixolab (see op.
  • Page 110 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 1 / 2 Operation 12-15 Electrical checks on the Mixolab CPU board Consumables: Tools: Voltmeter Before opening the Mixolab, you must switch it off and discon- nect its power supply.
  • Page 111 Mixolab 2 12: Adjusting and control operations for the Mixolab Page: 2 / 2 Operation 12-15 Electrical checks on the Mixolab CPU board Consumables: Tools: Voltmeter Maintenance manual Chapter 3 Repairs 09/2016...
  • Page 112 Mixolab 2 Maintenance manual Chapter 3 Repairs 09/2016...

  • Page 113: Chapter 4 Spare Parts

    Mixolab 2 Chapter 4 SPARE PARTS Maintenance manual 09/2016...
  • Page 114 Mixolab 2 Maintenance manual 09/2016...

  • Page 115: Warnings

    CHOPIN will not supply any parts not listed herein. Notes ■ Items such as screws and bolts that have no CHOPIN part num- ber should not be ordered from CHOPIN but directly from a general reseller.
  • Page 116 Mixolab 2 Maintenance manual Chapter 4 Spare parts 09/2016...

  • Page 117: List Of Spare Parts

    Mixolab 2 List of Spare Parts Description Figure no. Complete Mixolab Figure no. 1 Mixolab - assembled outer cover Figure no. 2 Mixolab - assembled bowl plate Figure no. 3 Mixolab - Electronic components Figure no. 4 Mixolab - assembled motor Figure no.
  • Page 118 Mixolab 2 figure 1 - Complete Mixolab Mixolab 2 Maintenance manual Chapter 4 Spare parts 09/2016...
  • Page 119 Mixolab 2 Complete Mixolab Min. CHOPIN Ref. Description ordering Note part no. COMPLETE MIXOLAB BOWL MIX-297 FLOUR FEED FUNNEL MIX-129 FEATHER OUTLET MA-48 CRYSTAL PIPE ø8x14 MIX-157 MAINS CABLE 10-16 AL-72 USB CABLE TYPE A/B CB-157 PROGRAM USB KEY + INSTRUCTIONS...
  • Page 120 Mixolab 2 figure 2 - Mixolab - assembled outer cover Maintenance manual Chapter 4 Spare parts 09/2016...
  • Page 121 Mixolab 2 Mixolab - assembled outer cover Min. CHOPIN Ref. Description ordering Note part no. GAS SPRING 12-50 MIX-92 GAS SPRING PROTECTIVE PLATE MIX-156 M4X10 STAINLESS STEEL CHH SCREWS CBL 4X20 STAINLESS STEEL SLOTTED HEAD SCREWS ENCODED MAGNET DETECTOR MIX-128...
  • Page 122 Mixolab 2 figure 3 - Mixolab - assembled bowl plate Maintenance manual Chapter 4 Spare parts 09/2016...
  • Page 123 Mixolab 2 Mixolab - assembled bowl plate Min. CHOPIN Ref. Description ordering Note part no. CABLE THERMOCOUPLE MIX-103 DISTRIBUTION BLOCKS MIX-168 M5X20 HSHC SCREWS MIXING BLADE COUPLING MIX-336 COMPLETE MIXOLAB BOWL MIX-297 IGUS BEARING KIT MIX-1072 LOCKING CONTACT MIX-131 2.5X12 SLOTTED HEAD SCREWS...
  • Page 124 Mixolab 2 figure 4 - Mixolab - Electronic components Maintenance manual Chapter 4 Spare parts 09/2016...
  • Page 125 Mixolab 2 Mixolab - Electronic components Min. CHOPIN Ref. Description ordering Note part no. WIRED 1.2A SELF-INDUCTION COIL MIX-12 M5X10 HSHC STAINLESS STEEL SCREWS WASHER RLC M5 x10 BI MIXOLAB CPU BOARD V4 SEN-198 3X8I HSHC SCREWS ASSEMBLED USB BOARD...
  • Page 126 Mixolab 2 figure 5 - Mixolab - assembled motor Maintenance manual Chapter 4 Spare parts 09/2016...
  • Page 127 Mixolab 2 Mixolab - assembled motor Min. CHOPIN Ref. Description ordering Note part no. CABLE MOTOR MIX-133 M6X20 AZ H SCREWS L6 AZ WASHERS PAINTED COUNTING DISC CDA-183 M4X10 STAINLESS STEEL HSHC SCREWS COUNTER INDUCTIVE DETECTOR + MIX-130 TORQUE METER...
  • Page 128 Mixolab 2 figure 6 - Mixolab - assembled tank Maintenance manual Chapter 4 Spare parts 09/2016...
  • Page 129 Mixolab 2 Mixolab - assembled tank Min. CHOPIN Ref. Description ordering Note part no. TANK ASSEMBLY MIX-300 TEMPERATURE LIMITING DEVICE WITH MIX-304 WIRED RESISTOR (KIT) ASSEMBLED NOZZLE MIX-296 BS (BONDED SEAL) PC-331 LEVEL DETECTOR WITH PROBE MIX-256 Maintenance manual Chapter 4 Spare parts...
  • Page 130 Mixolab 2 figure 7 - Mixolab - assembled frame Maintenance manual Chapter 4 Spare parts 09/2016...
  • Page 131 Mixolab 2 Mixolab - assembled frame Min. CHOPIN Ref. Description ordering Note part no. ASSEMBLED PUMP MIX-298 M5 WASHER M5X16 HSHC SCREWS SILICONE PIPE Ø3.18x1.98 SD-82 TEFLON TUBE Ø6x4 MIX-138 ANTIVIBRATION FOOT PC-152 COOLING SYSTEM MIX-292 M4X8.1 HSHC SCREWS GREY PU TUBE Ø4x2.5...
  • Page 132 Mixolab 2 figure 8 - Mixolab - casing Maintenance manual Chapter 4 Spare parts 09/2016...
  • Page 133 Mixolab 2 Mixolab - casing Min. CHOPIN Ref. Description ordering Note part no. LEFT-HAND CASING MIX-67 M5X12 STAINLESS STEEL HSHC SCREWS THREE-COLOUR LED CABLE MIX-132 RIGHT-HAND CASING MIX-252 M5X12 STAINLESS STEEL HSHC SCREWS RLC WASHER Ø5 CENTRAL CASING MIX-55 RLC WASHER Ø5...
  • Page 134 Mixolab 2 Maintenance manual Chapter 4 Spare parts 09/2016...

Table of Contents