Installation

What’s in the Box 

The F-300 flow Meter is shipped with the following contents: 

• F-300 Flow Meter 
• Gasket 
• Clamps (2)  
• Quick Start Guide (QSG) 
• Instruction Manual 

For video instructions on how to install click here.  

Preparation 

• Remove the Flow Meter from the box and ensure the gasket and clamps are included prior to prepping any installation. Confirm flow meter is proper for your pipe size and flow. 
• Identify the proper location for installation.  Note the straight length of pipe requirements. Pipe location should be in an area that allows easy reading of the meter. The pipe needs to be in good condition. 
• To prevent debris from entering the meter, install the flow meter downstream from the filter. This is not necessary but is recommended depending on water quality. 

Piping and Physical Installation 

Minimum Straight Pipe Length Requirements The meter’s accuracy is affected by disturbances such as pumps, elbows, tees, valves, etc., in the flow stream. Install the meter in a straight run of pipe as far as possible from any disturbances. The distance required for accuracy is 5 times the nominal pipe diameter before the meter and 2 times the nominal pipe diameter after the meter.  

• The meter is designed to withstand outdoor conditions. 
• F-300 series meters must be mounted at the vertical (twelve o’clock) position on horizontal pipe only. (Horizontal units only) 
• The pipe must be completely full of water at all times.  
• The meter can accurately measure flow from one direction only. 

Installation 

1. To prevent debris from entering the meter, install the flowmeter downstream from the filter, if possible, with at least the minimum straight pipe dimensions called for in the above drawing.  
2. Drill the pitot tube hole in the top (12 o’clock position) of the horizontal pipe with a 5/8” size drill.  
3. Carefully remove all burrs. Insert the pitot tube, with the gasket in place, into the drilled hole.  
4. Tighten the clamps alternately, a little at a time.  
5. Make certain the flow direction is in the same direction of the flow arrow. 

Installing a F-300S / F-300SL Flow Switch 

The F-300S flow switch/sensor or F-300SL flow switch/sensor can be installed at a targeted flow rate and can detect if the flow is within the desired flow range. 

• Detect if the water flow rate is at the desired level 
• If the flow rate is within the selected range, a built-in contact closure switch can remotely turn on/off a chemical pump and other external devices 
• It can be used as an alarm signal to detect if the flow rate is not within the desired range 

• F-300S / F-300Sl comes with a yellow float. To install the yellow float, remove the top cap, remove the red float, place the yellow float into the body with the wider diameter at the top, and thread the red cap back onto the flow meter. 
• Easily install the F-300s /F-300SL switch by lowering it over the top of the flowmeter.  Confirm you have the correct switch for the flow meter / pipe size. (F-300SL for 1” – 1.25”P, F-300S for 1.5” – 4”P) 
• Tighten the Lock-Screw at the desired flow level. 

• Wiring is simple normally open, form A, SPST, contact closure wiring (see F-300 specifications for details) 
• Keep wiring clear of pump power wiring and VFD wiring. 

FAQs

Frequently Asked Questions