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Lauda INTEGRAL XT, Operating Instructions Manual

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Lauda INTEGRAL XT Operating Instructions Manual Download Page 24

Flow controller MID 20 

 

 
 

 

 

 

24 

 

 

9. Maintenance and repair 

 

 

Caution! 

 

 

 

Danger from electric power 

Electric shock 

 

Before all maintenance and repair work, unplug the mains 
plug of the flow controller and the main device. 

 

Have repairs carried out by specialist personnel only. 

 

 

Note

 

 

 

Error when switching on/off 

Damage to property 

 

Always switch the flow controller on first 

 

Ensure that the device is filled with heat transfer liquid. 

 

 

9.1 Maintenance intervals  

 

Maintenance and servicing intervals are to be observed in accordance with VDI 3033. 
If maintenance does not take place in accordance with the specified intervals, the manufacturer can 
no longer guarantee safe operation of the temperature control device and the flow controller. 

 

System part 

Frequency 

Note 

 

At each commissioning: 

 

Flow controller  

 

 

Checking for damage 

Daily 

Visual inspection 

Hydraulic circuit 

 

 

Leaktightness 

Daily 

Visual inspection 

External tubes 

 

 

Material fatigue 

Monthly 

Visual inspection 

 

 

9.2 Fuses 

 

Description 

In order to protect the device from overvoltage, two 5-amp fuses are installed. If required, specialist 
personnel can check and replace them. 

 
 

Summary of Contents for INTEGRAL XT

Page 1: ... Ethernet 2 21 Profibus 3 22 LAUDA DR R WOBSER GMBH CO KG Laudaplatz 1 97922 Lauda Königshofen Germany Phone 49 9343 503 0 Fax 49 9343 503 222 E mail info lauda de Website http www lauda de 6 2 2 Read commands The right temperature worldwide English Translation of the original operating instructions Q4DA_E_13 001 EN issue 04 replaces issues 03 02 ...

Page 2: ......

Page 3: ... 4 Placement 12 4 5 Connecting device components 13 4 6 Establishing a power supply 15 5 Operation 16 5 1 Filling venting and degassing the application 17 5 2 Operation 17 5 2 1 Switching on 17 5 2 2 Setting the target flow rate 17 5 2 3 Settings for the higher pressure pump 18 5 2 4 Setting the control parameters 18 5 2 5 Setting the bypass 19 5 2 6 Standby 19 5 2 7 Switching off 19 6 Interface c...

Page 4: ...r MID 20 4 9 1 Maintenance intervals 24 9 2 Fuses 24 10 Technical data 25 10 1 Ambient conditions 25 10 2 Technical characteristics of flow measurement 26 Appendix Declaration of clearance for service or repair jobs ...

Page 5: ...easure WARNING indicates a potentially hazardous situation which can result in death or severe irreversible injuries if the safety regulations are disregarded Caution Type and source Consequences in the case of non compliance Measure 1 Measure CAUTION indicates a possibly hazardous situation which can result in minor irreversible injuries if the safety regulations are disregarded Note Type and sou...

Page 6: ... on device components or the device is leaking Switch off the device and unplug the mains plug for service and repair work when moving the device if there is danger Do not make technical changes to the device In the case of infringement any warranty claim is void Only allow service and repair work to be performed by specialists Addition for devices with an additional pump The additional pump may n...

Page 7: ... device is an accessory for the Integral XT process thermostat and has the function of regulating the flow quantity in the range of 0 2 to 20 L min The heat transfer liquid must have a minimum conductivity of 1 µS cm and be operated within its working temperature range Silicone oils and mineral oils are not suitable Devices with an additional pump offer the ability to increase the flow pressure Th...

Page 8: ...transfer liquid the working temperature ranges and the pressures within the application and to determine the necessary protective measures and the effectiveness thereof 2 5 Owner s responsibility The owner is responsible for the qualification of the specialist and operating personnel The thermostat may only be configured installed maintained and repaired by specialist personnel Persons who operate...

Page 9: ...he internal temperature probe 4 LiBus connection socket Receives control signals from the Integral XT 5 Setting wheel for bypass Turn to set the degree of bypass opening 6 Outlet To drain the device 7 Connection socket outflow XT Connection of pressure side of process thermostat 8 Lever for outlet Flip to open the outlet 9 Connection socket outflow user Connection socket of the application s press...

Page 10: ...eviating command function elements Here function elements that deviate from the standard command operating unit are described Command Position Designation Function 1 Flow Access to flow meter settings L2 0 00 Flow Menu End Tset Tfix ...

Page 11: ...ter storage or transport 3 Inspect the device and the accessories immediately after unpacking for completeness and transport damage 4 If there is unexpected damage to the device or accessories inform the carrier immediately so that a damage report is produced and a check of the transport damage can be made by the LAUDA service department chapter 8 2 4 2 Contents of package Figure not to scale Desi...

Page 12: ...ent Damage to property Observe the minimum clearance on all sides and do not cover the ventilation openings The device may not be operated if its temperature has dropped below the dew point during transport or storage We recommend that the devices by placed as described Other placement options are possible but the type of heat dissipation of the Integral XT the temperature change if bridging paths...

Page 13: ...pected temperature range places on the insulation of the connecting hoses and connection elements Note Contamination damage to the connections or the piping Damage to property Before connecting ensure that the connections are clean and free of foreign objects When connecting the hoses to the connectors use a second spanner to counter the tightening torque Ensure that the nipple does not turn when ...

Page 14: ...nect the outlet connector on the return of the application to the input connector for the return on the flow meter 3 4 Connect the outlet connector on the return side of the flow controller 4 to the input connector for the return on the Integral XT 5 Connect the LiBus cable of the flow meter 5 to the LiBus socket of the Integral XT 6 Option when using the internal temperature sensor Connect the Le...

Page 15: ...tching it on Never put the device into operation if you have discovered any damage Note Use of unauthorised mains voltage or mains frequency Damage to property Compare the type plate of the power supply with available mains voltage and mains frequency Procedure for establishing a power supply 1 Connect the plug of the flow meter to the power supply using earthing ...

Page 16: ...poisonous temperature control fluid or sample fluid Avoid contact with hot or cold device components During operation ensure that device and connection components are appropriately insulated Bring the heat transfer liquid to room temperature before draining Only carry out work on device socket or connection components when the device is empty Note Change the fill level Damage to property Note the ...

Page 17: ...he up and down arrow buttons to move the cursor to On and press Enter or the right arrow button to confirm If the status On has been selected the valve regulates to the desired flow rate This setting is active until you set the status to Off Note that the flow through the flow controller is highest when the position Off is selected 5 2 2 Setting the target flow rate Procedure for setting the targe...

Page 18: ...e right arrow button to deregister the pump of the flow controller 5 2 4 Setting the control parameters For flow rate control the actuating signals are a continuous valve and the pump speed The two actuating signals can be parameterised using separate PI controllers Procedure for setting the control parameters 1 Select the soft key Flow 2 Use the up and down arrow buttons to move the cursor to the...

Page 19: ...losed the bypass slowly until the flow rate is set 5 2 6 Standby Procedure for switching device to standby 1 Press the standby button on the Command remote control unit When the standby button is pressed the pump s of the Integral XT and the flow meter for devices with an additional pump is are switched off The heating and cooling unit are also switched off The operating unit remains active meanin...

Page 20: ...ue CS is a checksum The value XX XX is within the range of 00 00 to 20 00 in the unit L min CS depends on the value XX XX and can be calculated as follows All digits before the checksum are shown in decimal and added up The calculated value is converted to hexadecimal and the last two digits are added to the command as a checksum Example Target flow rate value PO_4_24_XX XX_CS With a target flow r...

Page 21: ...e 6 2 Additional commands for Profibus interface 6 2 1 Write commands Data specifications to the flow meter CMD Byte 2 Cmd No Byte 3 Meaning 4 5 Flow rate control off on 0 off 1 on 2 7 Write flow rate target value 6 2 2 Read commands Data requests from the flow meter CMD Byte 2 Cmd No Byte 3 Meaning 14 5 Flow rate control off on 0 off 1 on 12 7 Read flow rate target value 11 7 Read flow rate actua...

Page 22: ...0 s Then first switch on the flow controller and then the Integral XT Error 1305 and error 146 Switch both devices off Then wait approx 20 s Then first switch on the flow controller and then the Integral XT Error 146 Switch off the Integral XT and check the LiBus cable connection between the Integral XT and the flow controller respectively insert the LiBus cable Then switch on the Integral XT If t...

Page 23: ...buttons to move the cursor to the Device data menu item and press Enter or the right arrow button to confirm 5 Use the up and down arrow buttons to move the cursor to the Display menu item and press Enter or the right arrow button to confirm Device data Description P2 power Power of pump 2 in watts Pump rpm Pump speed in rpm Pump current Current consumption in amperes Pump voltage Voltage in volts...

Page 24: ...nce and servicing intervals are to be observed in accordance with VDI 3033 If maintenance does not take place in accordance with the specified intervals the manufacturer can no longer guarantee safe operation of the temperature control device and the flow controller System part Frequency Note At each commissioning Flow controller Checking for damage Daily Visual inspection Hydraulic circuit Leakti...

Page 25: ...tion level 2 Permissible operating altitude above sea level m above mean sea level 2000 Relative humidity 80 at 31 C and up to 40 C decreasing linearly to 50 EMC classification as a device for Europe Class B Operation on mains power supplies with connected residential areas EMC classification as a device for Canada and the USA Class A Operation only on mains power supplies without connected reside...

Page 26: ... devices without an additional pump A 0 5 A Current consumption for devices with an additional pump A 4 A Max power consumption for devices without an additional pump W 100 Max power consumption for devices with an additional pump W 800 Protection class for electrical operating equipment as per DIN EN 61140 VDE 0140 1 1 Protection level as per DIN EN 60529 IP 21 Hydraulic connections M30 x 1 5 A I...

Page 27: ...Flow controller MID 20 27 ...

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Page 32: ...LAUDA DR R WOBSER GMBH CO KG Laudaplatz 1 97922 Lauda Königshofen Germany Tel 49 0 9343 503 0 Fax 49 0 9343 503 222 email info lauda de Internet www lauda de ...

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