Blue-White - Chemical metering and fluid measurement solutions; chemical metering pumps, peristaltic pumps, diaphragm pumps, multi-diaphragm pumps, flow meters, flowmeters, variable area flow meters, paddlewheel flow meters, ultrasonic flow meters, engineered skid systems, single skid system, duplex skid system, triplex skid system, water analyzers...
Oswald

Municipal

M2

Installation

What’s in the Box 

The M2 Pump is shipped with the following contents: 

  • M2 Peristaltic Metering Pump 
  • Two tube assemblies (one installed, one spare) 
  • Tube installation tool  
  • Power Cord – 6 feet 
  • USB Drive (Operating manual)  
  • Mounting hardware kit (includes standard mounting brackets and hardware, and extended brackets) 

Preparation 

The M2 Pump is designed to withstand outdoor conditions, although it is recommended to locate the pump in a protected enclosure for maximum pump life. A cool, dry location where the unit can be easily monitored is recommended. Special ventilation is not required. 

The pump can be mounted on a level flat surface. We recommend using the provided mounting brackets for secure installation.  Blue-White also offers a sturdy polyethylene (PE) Wall Shelf to mount the pump.  

Piping and Physical Installation 

The M2 Pump must be level to ensure pumping accuracy. 

If mounting the pump using the mounting bracket, follow these instructions: 

  1. Use the diagram and drawing on the manual (or below) to mount the pump and bracket to a secure location.  We recommend mounting the pump at a height where the display and indicator lights are easily visible, and where it can be easily serviced. 
  2. Ensure the bracket is mounted to the pump first using the provided hardware. (Standard and extended brackets attach to pump using same hardware, and hole dimensions are the same Extended brackets part number 72000-380.) 
  3. Ensure location provides enough space for inlet and outlet connections to the pump, and ensure enough space for rear wiring.  
  4. Place the pump and secure to the base surface using the appropriate hardware for the base surface.
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If mounting the pump to a shelf, be certain the shelf will be able to support the weight of the pump.  

Connecting Suction and Discharge Tubing/Piping 

M2 Pump tube elements have six (6) options for connections.   

“S” 1/4’” x 3/8” tubing connections. When M2 pump is ordered with “S” tubing connections, no accessories or suction/discharge are provided (per NSF Listing requirements.) Any injection valve, suction strainer, or tubing must be purchased separately.  

“M” 1/2” MNPT connection.  When M2 pump is ordered with “M” tubing connections, no accessories or suction/discharge are provided (per NSF Listing requirements.) Any injection valve, suction strainer, or tubing must be purchased separately.  

“B” 1/2” Hose Barb connection. When M2 pump is ordered with “B” tubing connections, no accessories or suction/discharge are provided (per NSF Listing requirements.) Any injection valve, suction strainer, or tubing must be purchased separately.  

“C” Tri-Clamp connection. When M2 pump is ordered with “C” tubing connections, no accessories or suction/discharge are provided (per NSF Listing requirements.) Any injection valve, suction strainer, or tubing must be purchased separately.  

“Q” Quick Disconnect (Quick disconnect fittings provided separately). When M2 pump is ordered with “Q” tubing connections, it will not come with Injection Check Valve, Suction Strainer, or any tubing. Quick Disconnect fittings must be ordered separately (see accessory options.)  

“MB” 1/2” Male BSPT connection. When M2 pump is ordered with “MB” tubing connections, it will not come with Injection Check Valve, Suction Strainer, or any tubing. 

Connecting Suction and Discharge Tubing for “S” connection 

Clear PVC suction tubing is rated at 50 psi. Opaque polyethylene discharge tubing is rated at 120 psi. 

Before connecting the tubing or piping to the pump, be sure the pump is powered OFF. Wear protective clothing and eye protection when connecting tubing to chemicals or chemical lines. 

Connect the suction tubing to the pump, and place and secure the other end of the suction tubing in the chemical tank/source. Using the provided foot valve/strainer and weight is recommended.  

Connect the discharge tubing to the pump and then connect the other end to the discharge point. If using the provided injection valve, be sure to mount it in an upward position to prevent air bubbles from collecting.  

Note: We highly recommend installing a check valve on the discharge side of the pump. The check valve can be in the form of an injection check valve, in-line check valve, quick disconnect check valve or similar. When there is a tube leak, the check valve will prevent chemicals from the discharge line to continually feed back into the pump head. 

Wiring 

Power Wiring 

The M2 is powered by 100 to 240VAC, 50/60Hz power.  Use the provided 6’ power cord.  

Caution: Consult a licensed electrician when in doubt about your electrical installation.  

Control Wiring 

The M2 pump has a labeled terminal box at the rear of the pump.  All wiring connections are made via removable terminal blocks. 

Signal connection includes: 

Input Signals 

  • Remote Start/Stop Input (Dry or Wet Contact Closure) 
  • FVS (Flow Verification System) Input 
  • 4-20mA Input (pump speed control) 
  • Pulse Input (Frequency, AC Sine Wave, TTL, CMOS) 

Output Signals 

  • 4-20 mA output (Pump speed – scalable)  
  • (1) Output Alarm 
  • Motor output (open collector) 
  • Motor output (contact closure) 

See the below rear panel images and Wiring Chart for information and specifications in connecting to your electrical and control system. 

Note: Shielded cables must be used on all signal wiring.  

image 32
image 33

Refer to the instructions in the manual for detailed information. 

FAQs

Frequently Asked Questions

M2 Installation

  • What is a suction strainer?

    A suction strainer is a device that is installed in the suction line of a pump to prevent solid contaminants from entering the pump.

  • What is an injection fitting?

    An injection fitting is a type of fitting that is used to inject a chemical or other fluid into a system.

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