Kobold KAL-4215 User Instructions Download Page 1 | Manualshive

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KOBOLD KAL-K (KAL-4000 Series)

Thermal Flow Switch

User Instructions

KOBOLD Instruments Inc. 1801 Parkway View Drive Pittsburgh PA 15205

Phone (412) 788-2830 • Fax (412)-788-4890

KAL-K_manual_8-29-06

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Summary of Contents for KAL-4215

Page 1: ...KOBOLD KAL K KAL 4000 Series Thermal Flow Switch User Instructions KOBOLD Instruments Inc 1801 Parkway View Drive Pittsburgh PA 15205 Phone 412 788 2830 Fax 412 788 4890 KAL K_manual_8 29 06 ...

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Page 3: ...lications 10 6 0 Maintenance 11 7 0 Arrival of Damaged Equipment 11 8 0 Need Help With Your KAL K 11 List of Diagrams Diagram 2 1 Dimensions 3 Diagram 3 1 Mechanical Installation 4 Diagram 4 1 Interior Controls Layout for 24 VDC Versions 5 Diagram 4 2 Interior Controls Layout for 110 VAC Versions 5 Diagram 4 3 KAL K Wiring 24 VDC Versions 6 Diagram 4 4 KAK K Wiring 110 VAC Versions 6 Diagram 4 5 Q...

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Page 5: ...red to the setpoint value selected by the user If the setpoint is reached the electronic circuitry activates a transistor switch and bi colored alarm LED The electronic circuitry also controls an LED trend indicator which can be used to indicate relative system flow The microprocessor controlled design permits simple calibration and setup The compact probe design permits monitoring of flowrate wit...

Page 6: ...e been calculated for each pipe diameter based on the known velocity range of the KAL K It must be noted that flow in pipes is non uniform across the pipe cross section and approaches zero at the pipe wall This means that in practice the depth of installation of the probe the internal pipe diameter and the flow profile of the liquid in the pipe can interact to produce significant deviations from t...

Page 7: ...3 KAL K FM Rev 8 29 06 Diagram 2 1 Dimensions KAL 4215 4315 4320 KAL 4340S ...

Page 8: ...a minimum of 5 pipe diameters of straight run piping both upstream and downstream of the flow switch This ensures that flow profile at the sensing probe is uniform and fully developed 3 0 3 Prior to installation ensure that the desired flow alarm setpoint is within the switching range of the KAL K Additionally ensure that the maximum system temperature and pressure are within the limits specified ...

Page 9: ...rior Controls Layout for 24VDC Versions 1 2 3 Trend Indicator 8 LED s Bi colored LED Green Switch Activated Red Switch not Activated Calibrating Switch SW 1 Terminal Strip 3 24 VDC 2 DC Ground 1 Output Setpoint Potentiometer P1 Output Selector Switch SW2 PNP NPN Diagram 4 2 Interior Controls Layout for 110 VAC Versions setpoint potentiometer P1 calibrating switch SW1 bi colored LED trend indicator...

Page 10: ... 4 3 shows typical electrical wiring for the KAL K 24 VDC versions configured as either a NPN or PNP transistor switch Instructions for selecting between the PNP or NPN output is provided in section 5 3 Setting the KAL K Output Type The KAL K requires a 24 VDC 300 mA power supply regulated to within 10 If the same power supply will be used to provide current to devices being switched by the KAL K ...

Page 11: ...VAC versions Proceed as follows 5 1 1 1 Ensure that the fluid system is in a no flow condition 5 1 1 2 Ensure that the system is completely filled and that the KAL K sensing probe is completely immersed in fluid 5 1 1 3 With power connected to the unit turn setpoint adjustment potentiometer P1 counterclockwise to its far lefthand stop 5 1 1 4 Momentarily depress the calibrating switch SW1 and rele...

Page 12: ...g switch SW1 and release The bi colored LED will flash green for a brief period while the unit self adjusts the span Note Do not adjust the setpoint potentiometer P1 while the bi colored LED is flashing Doing this will invalidate the span adjustment and the procedure will have to be repeated 5 1 2 4 When the bi colored LED stops flashing the span adjustment is complete One measuring cycle after th...

Page 13: ...tch Pin 1 HIGH RESISTANCE open switch PNP Switch Pin 1 HIGH RESISTANCE open switch 5 4 KAL K Diagnostics and Troubleshooting The KAL K continuously self monitors the sensing probe and micro processor systems Any fault in these portions of the electronics will be signaled by a flashing red bi colored LED Additionally if any of the calibrations i e zero span adjustments are done improperly the KAL K...

Page 14: ... is desirable to protect the KAL transistor output from damage by using an inexpensive relay The circuit to the right demonstrates how a relay should be connected to the KAL K The relay shown is a Potter Brumfield model but any 24 VDC relay will work as long as the coil current does not exceed 400 mA SW 2 should be switched to the right for an NPN output The diode connected across the relay coil p...

Page 15: ...e removed from the system and any deposits or coatings on the probe should be removed 7 0 Arrival of Damaged Equipment Your instrument was inspected prior to shipment and found to be defect free If damage is visible on the unit we advise that you carefully inspect the packing in which it was delivered If damage is visible notify your local carrier at once The carrier is liable for a replacement un...

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Page 17: ...ev 8 29 06 CAUTION PLEASE READ THE FOLLOWING WARNINGS BEFORE ATTEMPTING INSTALLATION OF YOUR NEW DEVICE FAILURE TO HEED THE INFORMATION HEREIN MAY RESULT IN EQUIPMENT FAILURE AND POSSIBLE SUBSEQUENT PERSONAL INJURY ...

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Page 19: ...ocal codes Temperature and Pressure The KAL K is designed for use in application temperatures from 0 to 250 F and for use at pressures up to 1450 PSIG for threaded probes Tri Clamp probes are rated to the pressure rating of the user supplied clamp Operation outside these limitations will cause damage to the unit and possible personnel injury Material Compatibility The KAL K sensor probe is made of...

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