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Related Manuals for FlowLine Switch-Tek LV20-1201
Summary of Contents for FlowLine Switch-Tek LV20-1201
- Page 1 Mini-Float Li quid Level Sw witch LV20 & LH 25 Series Manual V20-1201 LV20-5201 LH25-120 Flowlin ne, Inc. | 10500 Hu umbolt Street, Los Alamitos, CA 9072 20 p 562.598.3015 5 f 562.431.8507 w flowline.com MN301310 Rev A A...
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Page 2: Table Of Contents
Vertical Mini-Float Level Switch: ................8 Horizontal Mini-Float Level Switch: ............... 9 Contact Protection: ....................9 Wiring: ..........................10 Wiring to a Flowline Controller: ................10 Maintenance: ......................... 11 General: ......................11 Cleaning Procedure: ................... 11 Testing the installation: ..................11 Warranty: ………………... -
Page 3: Specifications
Specifications / Dimensions Step Two Orientation: LV20: ±20˚ from vertical Switch Rating LH25: ±20˚ from horizontal Reed Maximum Accuracy: ±5mm in water Switch Resistive Repeatability: ±2mm in water Rating Load Specific Gravity: LV20: 0.8 minimum VA Volts Amps Amps LH25: 0.6 minimum 0-50 Contact Type: (1) SPDT reed... -
Page 4: Dimensions
Specifications / Dimensions Step Two DIMENSIONS LV20-1201, LV20-1251, LV20-5201, LV20-5251 LH25-1201, LH25-5201 MN301310 Rev A... -
Page 5: Safety Precautions
_201. Please refer to the part number located on the sensor label to verify the exact model which you have purchased. User’s Responsibility for Safety: Flowline manufactures a wide range of liquid level switches and technologies. While each of the these switches are designed to operate in a wide variety of applications, it is the user’s responsibility to select a switch model that is appropriate for the application, install it properly,... -
Page 6: Installation
Through Wall Installation (LH25 series only): FLOWLINE’s LH25 mini-float switch may be installed through the side wall of a tank. The LH25 series has dual male 1/2" NPT threads for installation from the outside of the tank in or the inside of the tank out. -
Page 7: Orientation
Installation Step Four ORIENTATION Mounting orientation must be kept vertical for the LV20 series and horizontal for the LH25 series. For proper orientation, make sure the LV20 series is not off-axis more than 20°. For the LH25 series, make sure the body of the float is horizontal and not off-axis by more than 20°. -
Page 8: Electrical
The input voltage to the LV20 / LH25 mini-float switch should never exceed the maximum voltage rating. FLOWLINE controllers have a built-in 13.5 VDC power supply which provides power to all of FLOWLINE’s level switches. Alternate controllers and power supplies may also be used with the LV20 / LH25 mini-float switch. -
Page 9: Horizontal Mini-Float Level Switch
Electrical Step Five HORIZONTAL MINI-FLOAT LEVEL SWITCH (LH25 SERIES ONLY): Normally Open Operation: Normally Closed Operation: Position the switch such that the float swings down Position the switch such that the float rests on top of when the switch is dry. In the dry state, the float rests the switch when the switch is dry. -
Page 10: Wiring
Wiring Step Six WIRING TO A FLOWLINE CONTROLLER LC40 Series Controller (LC42-1001 Shown) LC10/LC11 Series Controller (LC11-1001 Shown) NOTE: When using a latching relay, the polarity of both switches must be equivalent. i.e. both switches are wither wired Normally Open or Normally Closed. -
Page 11: Maintenance
Maintenance Step Seven GENERAL The switch may need to be cleaned periodically to prevent jamming or sticking. The mini-float has no scheduled maintenance requirement, except to clean off any deposits or scaling from the switch as necessary. It is the responsibility of the user to determine the appropriate maintenance schedule, based on the specific characteristics of the application liquid. -
Page 12: Warranty
PERSON IS AUTHORIZED TO MAKE ANY OTHER WARRANTIES OR REPRESENTATIONS ON BEHALF OF FLOWLINE. This warranty will be interpreted pursuant to the laws of the State of California. If any portion of this warranty is held to be invalid or unenforceable for any reason, such finding will not invalidate any other provision of this warranty.
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