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Flex-Pro A2V24-ND Operating Manual

A2V24-NH\ A2V25-ND\ A2V25-NH\ A3V26-ND\ A2V26-NH\ A3V24-TH\ A3V25-TH\ A3V24-VH\ A3V26-TH\ A3V25-VH\ A3V26-VH\ A2V24-GE\ A2V25-GE\ A2V26-GE\ A2V24-GG\ A2V25-GG\ A2V26-GG\ A2V24-GH\ A2V25-GH\ A2V26-GH

Made by: Flex-Pro
Type: Operating Manual
Category: Water Pump
Pages: 18
Size: 4.29 MB

 

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FLEX-PRO

Peristaltic Metering Pump

R

SERIES  A2

Operating Manual

system

TF D

Tube Failure Detection

Exclusive:

2

TWO-YEAR

WARRANTY

ProSeries

Protected by Patents: 7,001,153; 

7,284,964;  4,496,295

and other patents pending

Patent No. 7,001,153 & 7,284,964

CERTIFIED FINAL DOCUMENT

CALL 1-800-577-8111 FOR SALES AND SUPPORT

CLICK HERE TO RETURN TO WEBSITE

 


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Page 2

1.0

Introduction

Congratulations on purchasing the Flex-Pro variable speed Peristaltic Metering Pump. A peristaltic pump is a type 
of positive displacement pump used for pumping a variety of fluids.
Your Flex-Pro pump is pre-configured for the tubing that shipped with your metering pump. The tubing assembly 
has an Identification number printed for easy re-order.

Please Note:

   Your new pump has been pressure tested at the factory with clean water before shipping. You may 

notice trace amounts of clean water in the pre-installed tube assembly. This is part of our stringent quality assur-
ance program at Blue-White Industries.

Flex-Pro

TABLE OF CONTENTS

Section Heading

Page

1.0

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.1 Available Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.0

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.1 Materials of Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3.0

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.1 Agency Listings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4.0

Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.1 Mounting Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.2  Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.3 Installing the Discharge Injection Fitting and Suction Strainer . . . . . . 7

5.0

Input Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

6.0

How to Operate Flex-Pro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

7.0

Pump Output Speed Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

8.0

Contact Closure Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

9.0

Set FVS (flow verification system) . . . . . . . . . . . . . . . . . . . . . . . . . . 11

10.0

Pump Tube Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

11.0

TFD (tube failure detection) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

12.0

Alarm relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

13.0

Reverse Rotor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

14.0

How To Maintain the Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

15.0

Tube Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

16.0

A2 Replacement Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

CALL 1-800-577-8111 FOR SALES AND SUPPORT

CLICK HERE TO RETURN TO WEBSITE

 


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Page 3

1.1      Available Models

Flex-Pro

®

Tygothane  A2 Tube Pumps 

Meets FDA criteria for food  |  Resistant to oils, greases and fuels

GPH

.04 - 3.5

.07 - 7.29

.17 - 17.44

LPH

.13 - 13.2
.27 - 27.6

.66 - 66

ML/Min

2.2 - 220
4.6 - 460

11 - 1100

 RPM

125
125
125

115V AC

A2V24-GE

A2V24-GG
A2V24-GH

 230V AC

A2V25-GE

A2V25-GG
A2V25-GH

 220V AC

A2V26-GE

A2V26-GG
A2V26-GH

®

Gore  Style 400, A2V Tube Pumps  

Meets FDA criteria for food  |  Superior chemical resistance

LPH

.56 - 56.4

 230V AC

A3V25-VH

115V AC

A3V24-VH

GPH

.15 - 15

 220V AC

A3V26-VH

ML/Min

9.4 - 940

 RPM

125

®

Norprene  A2V Tube Pumps 

Meets FDA criteria for food  |  Excellent chemical resistance  |  CIP   |  SIP

LPH

.42 - 42

.05 - 5.4

 230V AC

A2V25-ND
A2V25-NH

115V AC

A2V24-ND
A2V24-NH

GPH

.11 - 11.1

.01 - 1.4

 220V AC

A3V26-ND
A2V26-NH

ML/Min

.

7 - 700

09 - 90

Feed Rate

 RPM

125
125

Max

Speed

A3   Model Numbers

 PSI (bar)

65 (

)

65 (

)

65 (

)

4.5
4.5
4.5

Max

Pressure

 PSI (bar)

125 (8.6)
125 (8.6)

 PSI (bar)

65 (4.5)

Max

Temperature

 F (C)

185 (85)
185 (85)

 F (C)

130 (54)

 F (C)

130 (54)
130 (54)
130 (54)

®

Norprene  Chemical A2V Tube Pumps 

Meets FDA criteria for food  |  Excellent chemical resistance  |  Extra long life at low pressures

LPH

.41 - 126

 230V AC

A3V25-TH

115V AC

A3V24-TH

GPH

.10 - 10.8

 220V AC

A3V26-TH

ML/Min

6.8 - 680

 RPM

125

 PSI (bar)

50 (3.4)

 F (C)

130 (54)

*

 Inlet/outlet connection type

S = 3/8” OD x 1/4” ID tubing compressions type connections
M = ½” male NPT 
C-= 3/4” tri-clamp connections

!

The Flex-Pro Pump’s motor speed is linear over the entire 1% to 100% adjustment range. 

!

Output versus pressure is nearly linear in all models. Larger tubes exhibit greater losses.

!

For optimum tube life, specify the pump to operate at the lowest possible RPM and pressure.

CALL 1-800-577-8111 FOR SALES AND SUPPORT

CLICK HERE TO RETURN TO WEBSITE

 


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Page 4

2.0

Specifications

Wetted components:

Non-Wetted components:

2.1

Materials of construction

Flex-Pro

Motor speed adjustment range 100:1:

1.0% - 100% motor speed

Motor speed adjustment resolution:

0.1% increments

Maximum viscosity:

12,000 Centipoise

Maximum suction lift:

30 ft. Water, 0 psig (4.5 m, 0 bar)

Display

Backlit LCD, UV resistant.

Keypad

Eight button positive action tactile switch keypad.

 

Enclosure:

NEMA 4X (IP66), Polyester powder coated aluminum. 
Maximum Overall Dimensions: 
7-1/2” W x 10-1/4” H x 14” D (19 W x 26 H x 35.6 D cm)

Approximate shipping wt:

25 lb. (12.0 Kg)

Maximum working pressure (excluding pump tubes):

125 psig  (8.6 bar)
Note: see individual pump tube assembly maximum pressure ratings.

Maximum Fluid temperature (excluding pump tubes):

o

o

3/8” OD x 1/4” ID tubing connections: 130  F  (54  C)

o

o

M/NPT connections: 185  F  (85  C)
Note: see individual pump tube assembly maximum temperature ratings.

Ambient Operating Temperature

O

O

O

O

14 F to 115 F (-10 C to 46 C)

Ambient Storage Temperature

O

O

O

O

-40 F to 158 F (-40 C to 70 C)

Operating Voltage:

115VAC/60Hz, 1ph (1.5 Amp Maximum)
230VAC/60Hz, 1ph (0.7 Amp Maximum)
220VAC/50Hz, 1ph (1.0 Amp Maximum)
240VAC/50Hz, 1ph (1.0 Amp Maximum)

Power Cord Options:

115V60Hz = NEMA 5/15 (USA)
230V60Hz = NEMA 6/15 (USA)
220V50Hz = CEE 7/VII (EU)
240V50Hz = AS 3112 (Australia/New Zealand)  

Duty cycle:

Continuous

Enclosure:

413 Aluminum (Polyester powder coated)

Pump Head:

q

 

Valox (PBT) thermoplastic

Pump Head Cover:

Clear Acrylic - Annealed for added strength and chemical resistance.
Permanently lubricated sealed motor shaft support ball bearing.
Brass shaft support bearing retainer.

Cover Screws:

Stainless Steel

Roller Assembly:

q

 

   Rotor:

..................................Valox (PBT)

   

Rollers:

...............................Nylon

   

Roller Bearings:

.................SS Ball Bearings

Motor Shaft:

Chrome plated steel

TFD System Sensor pins:

Hastelloy C-276

Power Cord:

3 conductor, SJTW-A Water-resistant

Tube Installation Tool:

GF Nylon

Mounting Brackets and Hardware:

316 Stainless Steel

Pump Tube Assembly (Model Specific - 2 provided):

  

Tubing:

. . . . . Norprene  or Norprene  Chemical or Tygothane

  

Adapter fittings:

  .PVDF 

Injection / Back-flow Check valve:

 

   

Body & insert:

. . . . . . PVDF

   

Check Ball:

. . . . . . . . Ceramic

   

Spring:

. . . . . . . . . . Hastelloy C-276

q

   

Ball Seat O-ring:

. . . . . Viton  (optional EPDM)

q

   

Static Seal O-ring:

. . . . Viton  (optional EPDM)

q

   

Duckbill anti-scale valve:

Santoprene  

Ancillary Items provided 

With “S” tubing type connections only:
   Suction Tubing: 

. . . . . 3/8” OD x 1/4” ID x 10’ Clear PVC

   Discharge Tubing:

  . . . . 3/8” OD x 1/4” ID x 10’ Polyethylene (LLDPE)

   Suction Strainer: 

. . . . . Polypropylene

 

With “B” tubing and “M” M/NPT connections only:
Suction Strainer: 

   

Body:

. . . . . . . . . . . . . . . . . PVDF

   

Check Ball:

. . . . . . . . . . . . Ceramic

q

   

Ball Seat O-ring:

. . . . . . . . Viton  (optional EPDM)

With “C” Tri-clamp connections only:

none

TDS #85000-114 rev. 100611

E

CALL 1-800-577-8111 FOR SALES AND SUPPORT

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3.0

Features

Page 5

Flex-Pro

!

Peristaltic pump design does not have valves that can clog requiring maintenance.

!

Self priming - even against maximum line pressure. By-pass valves are not required. 
Cannot vapor lock or lose prime.

!

100:1 turndown ratio. 

!

Operator friendly digital touch pad.

!

Backlit LCD displays motor speed, input signal values, service and alarm status.

!

Outputs include: one 250V/1A relay to monitor TFD (Tube Failure System) and FVS 
(Flow Verification System)

!

Two CNC precision machined squeeze rollers and two alignment rollers for optimum 
squeeze, unparalleled accuracy, and tube life.

!

Heavy duty rotor - single piece plastic rotor means no flexing and increased accuracy 
with no metal springs or hinges to corrode.

!

Inject at maximum pressure in either direction (clockwise and counter clockwise).

!

Output rates to: 17 GPH (64 LPH) and pressures to 125 PSI (8.6 Bar).

!

Variable speed DC motor.

!

Specially engineered tubing for long life at high pressures. Meets FDA 21 CFR 
requirements for food contact applications.

!

Patented Tube Failure Detection (TFD) system. Senses tube failure by detecting 
chemical in the pump head. No false triggering.

!

Compatible with Blue-White’s output Flow Verification Sensor (FVS) system. 

Enclosure Rating:

NEMA 4X:

  Constructed for either indoor or outdoor use to provide a degree of protection to personnel against 

incidental contact with enclosed equipment; to provide a degree of protection against falling dirt, rain, sleet, snow, 
windblown dust, splashing water, and hose-directed water; and that will be undamaged by external formation of ice 
on enclosure.

IP66:

  No ingress of dust; complete protection against contact. Water projected in powerful jets against enclosure from 

any direction shall have no harmful effects.

CALL 1-800-577-8111 FOR SALES AND SUPPORT

CLICK HERE TO RETURN TO WEBSITE

 


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Page 6

4.0

Installation

4.1

Mounting Location

Choose an area located near chemical supply tank, chemical injection point, and electrical supply. Install pump 
where it can be easily serviced.  

!

316SS Mounting brackets are included. Mount pump to a secure surface using enclosed mounting hardware.

!

Mount pump close to injection point. Keep inlet (suction) and outlet (discharge) tubing as short as possible. 
Longer discharge tubing increases back pressure at pump head.

!

A back flow prevention check valve is recommended at the discharge of the pump to prevent system fluid from 
flowing back through the pump during tube replacement or if the tube should rupture.

!

A pressure relief valve is recommended at the discharge of the pump to prevent premature wear and damage to 
the pump tube in the event the discharge line becomes blocked.

!

The Flex-Pro does not require back pressure. Keep the discharge pressure as low as possible to maximize tube 
life.

4.2

Dimensions

All diagrams are strictly for guideline purposes only. Always consult an expert before 
installing metering pump on specialized systems. Metering pump should be serviced by 
qualified persons only.

n

Raise metering pump 4-1/2 inches (11.43 cm) off ground or a surface.

n

Made out of tough Stainless Steel.

n

Provides a stable mounting surface.

Stainless Steel extended brackets allow pump to be securely mounted to most any surface; 
floor, shelf, or skid. Brackets lift pump up 4-1/2 inches (11.43 cm), for easy pump access in 
hard to reach areas.

Model #

72000-380

Description

Extended Mounting Bracket, 1 Pair, SS, 4 SS Screws

OptionalExtended Brackets

Model Number 72000-380

!

Always wear protective clothing, face shield, safety glasses and gloves when working on 

or near your metering pump.  Additional precautions should be taken depending on 

solution being pumped. Refer to MSDS precautions from your solution supplier.

Risk of chemical overdose. Be certain pump does not overdose chemical during 

backwash and periods of no flow in circulation system.

CAUTION

!

CAUTION

!

CAUTION

Flex-Pro

Dim

Inches

cm

A
B
C
D
E

10-1/4”

7-1/2”

14”

9-1/2”

11”

26
19

35.6
24.1
27.9

A2 Series

F

3-3/8”

8.6

A

F

B

E

C

D

CALL 1-800-577-8111 FOR SALES AND SUPPORT

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Page 7

Discharge
Tubing

Tube retaining 
nut

Injection 
Check valve

Pipe tee

½” male NPT

1/4” male NPT

Discharge Injection / Check Valve

Discharge
Pipe or
½” Tubing
(not included)

Discharge Injection / Check Valve

Pipe
Tee

Install

upward

for best

results

½” Male NPT

½” Male NPT
or ½” Hose Barb

Suction Strainer

1/2” Male NPT Connection and 1/2”Hose Barb Models

Suction Tubing and Strainer

Ceramic
Weight

PVC Suction Tubing
3/8" OD x 1/4” ID

Polypropylene
Strainer

Duckbill

 is used to help reduce 

calcium buildup when injecting 
chemicals that calcify (such as 
sodium hypochlorite). 

Duckbill

 

may add additional back 
pressure to pump (up to 7 psi).

3/8”OD x 1/4” ID Tubing and Tri-Clamp connection Models

Proper eye and skin protection must be worn when installing and servicing pump.

!

CAUTION

This Pump Has Been Evaluated for Use with Water Only.

!

CAUTION

4.3 Installing Discharge  Injection Fitting and Suction Strainer

PVDF

PVDF

Viton (optional EP)

T/FEP (optional EP)

Hastelloy C-276

Ceramic

Suction
Strainer

½” Male NPT
or ½” Hose Barb

PVDF

PVDF

Viton (optional EP)

Polypropylene

Removable
275 Micron
Filter

PVDF

Hastelloy C-276

PVDF

T/FEP (optional EP)

Ceramic

Viton (optional EP)

Santoprene

PVDF

Flex-Pro

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Page 8

5.0 

Input Power Connections

 

Risk of electric shock – cord connected models are supplied with a grounding 
conductor and grounding-type attachment plug. To reduce risk of electric shock, be 
certain that it is connected only to a properly grounded, grounding-type receptacle.

Three power cord plug types available. 

Power cord length is 6 feet (3.83 meters)

WARNING

!

Be certain to connect pump to proper supply voltage.  Using incorrect voltage will damage pump and may result in 

injury.  Voltage requirement is printed on pump serial label.

!

Input power range is 96VAC to 264VAC 50/60 Hz.

!

Voltage Selection is automatically detected and adjusted by power supply. No mechanical switch necessary.

!

Use voltage your power cord is rated for.

!

Cord connected models are supplied with a ground wire conductor and a grounding type attachment plug (power 

cord). To reduce risk of electric shock, be certain that power cord is connected only to a properly grounded, 
grounding type receptacle.

!

Permanently connected models must be properly grounded. Be certain that a grounding conductor is connected 

to terminal T11-1 located in the wiring compartment. 

!

Never strap control (input / output) cables and power cables together.

!

Power Interruption:

 This pump has an auto-restart feature which will restore pump to operating state it was in 

when power was lost.

Note:  When in doubt regarding your electrical installation, contact a licensed electrician.

Electrical connections and grounding (earthing) must conform to local wiring codes. 
Be certain that a grounding conductor is connected to terminal T11-1 located in the 
wiring compartment.

WARNING

115V 60Hz
NEMA 5/15 (USA)
max: 125V AC

230V 60Hz
NEMA 6/15 (USA)
max: 250V AC

240V 50Hz
CEE 7/VII (EU)
max: 250V AC

QTY. DESCRIPTION

2

.50 INCH (12.7 mm) LIQ-TIGHT HOLE PLUGS (MAT’L = NEOPRENE), PRE-INSTALLED

3

.875 INCH (22.2 mm) LIQ-TIGHT HOLE PLUGS (MAT’L = NEOPRENE), 2 PRE-INSTALLED

2

.50 INCH (12.7 mm) LIQ-TIGHT CONNECTORS FOR PASS THRU CORDS (MAT’L = NYLON)
ACCEPTABLE CABLE DIAMETER .118 TO .255 INCH (3.0 TO 6.5 MM), NOT INSTALLED

3

.875 INCH (22.2 mm) METALLIC LIQ-TIGHT CONNECTORS FOR PASS THRU CORDS (MAT’L = NYLON)
ACCEPTABLE CABLE DIAMETER .200 TO .395 INCH (5.1 TO =10.0 MM), 1 PRE-INSTALLED WITH POWER CORD MODELS

Cable and conduit connectors included

5.99  in.

(152.1  mm)

Ø  
(12.7  mm)
2-PLCS.

.50

Ø  
(21.3  mm)
3-PLCS.

.84  in.

WIRING COMPARTMENT COVER

POWER CORD OPTIONS

Risk of electric shock - Disconnect electricity before removing the wiring 
compartment cover.

WARNING

Flex-Pro

2

METALLIC LIQ-TIGHT CONNECTORS FOR .50 INCH FLEXIBLE CONDUIT (MAT’L = DIE CAST ZINC), NOT INSTALLED

CALL 1-800-577-8111 FOR SALES AND SUPPORT

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Risk of electric shock – cord connected models are supplied with a grounding 
conductor and grounding-type attachment plug. To reduce risk of electric shock, be 
certain that it is connected only to a properly grounded, grounding-type receptacle.

Electrical connections and grounding (earthing) must conform to local wiring codes. 
Be certain that a grounding conductor is connected to terminal T11-1 located in the 
wiring compartment.

Risk of electric shock - Disconnect electricity before removing the wiring 
compartment cover.

Page 9

Flex-Pro

To PRIME pump

Press

 PRIME button to start 60 second prime feature. Pump will run at full speed for 60 seconds or 

until STOP or START button is pressed. STOP button will stop pump and display will read OFF. START 
button will stop prime feature and jump back into previous operating state.

To REVERSE ROTATION of rotor

Press 

REVERSE ROTATION button to reverse flow.

6.0 

How To Operate Flex-Pro

Flex-Pro

 Control Panel - Button Operation

To STOP pump at any time

Pump can be stopped at any time by pressing STOP button. 
overrides all other controls and stops pump. Display will read OFF if pump has 
been stopped in this manner. Pump will not respond to incoming input signals 
while in OFF state. When START button is pressed, pump will start according to 
it’s previous operating state.

STOP button 

To START pump

Press START button to start pump. If a remote start/stop input signal is used, the pump will begin 
“listening” for the input signal. 
Pressing the START button repeatedly will toggle the display to indicate the %SPEED, RPM, and Tube 
Timer Hours. 

UP Arrow

Press UP arrow to increase pump output. 
Press UP arrow to navigate through menu items. 

DOWN Arrow

Press DOWN arrow to increase pump output. 
Press DOWN arrow to navigate through menu items. 

CAUTION: 

Motor will reverse its rotation immediately after the REVERSE ROTATION button is pressed.

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Page 10

Flex-Pro

7.0

Pump Output Speed Adjustment

Press UP arrow to increase pump output. Press DOWN arrow to increase 
pump output. 

8.0 

Contact Closure Input (Remote Start/Stop)

Used to remotely start and stop the pump using a close=run or open=stop signal. If the pump must 
start when the loop is open, then select “Close: Stop Pump” option. Can be used with an external 
foot pedal, a PLC, contact closure, or other similar external devices.

Default settings:

Disable

CC Input Range: 

6 - 30 VDC

or

Dry Contact Closure (no voltage required)
[See section 5.1 for wire connections]

Navigate to 

Contact Input 

menu by holding the START button for 5 second.  While motor is off.

Press UP or DOWN arrow to scroll through your options.

Press START to make a selection. The radio button (square box) is now filled in next to your 
selection.

Press DOWN arrow to scroll down to Done selection. Then press START.

IMPORTANT: To begin operation, press the START button to place pump in STANDBY. The display 
background will turn blue indicating the pump has been stopped remotely. When the pump is 
started by the remote contact, the display background will turn green.

IMPORTANT: If the Contact Closure Input is enabled, the pump will display STANDBY if the pump 
has been stopped by the Remote Contact Closure. 

Please use caution in this mode as the pump 

may Start at anytime. If you must perform maintenance to the pump, Press STOP button.

When Contact Closure Input is enabled, the word 

Remote

 will always be displayed on the lower left 

side of the display screen.

OPERATING 

FLOW RANGE

(ml/min)

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Page 11

Flex-Pro

9.0 

Set FVS (Flow Verification System)

Used to monitor pump output. If pump does not dispense fluid when pump head rotor is turning, 
pump will go into an alarm mode and stop pump. Blue-White offers a flow verification sensor that 
can easily attach to fitting on pump.

Default settings:

000 (off)

Navigate to 

Set FVS 

menu by pressing 

UP 

and 

DOWN 

arrows at the same time while pump is off, 

then select Input Setup, then 

Set FVS

.

Press UP or DOWN arrow to set the FVS delay time in seconds.

Press START to save changes and exit FVS screen.

Flow Verification System

 (sensor sold separately)

Flex-Pro is equipped with a 

Flow Verification System

 which is designed to stop pump and energize 

a 6 amp relay in event sensor does not detect chemical during pump operation. This could indicate 
a clogged injection fitting, empty chemical solution tank, worn pump tube, loose tubing connection, 
etc. 

To allow pump to clear any gasses that may have accumulated during stopper operation (such as 
with chlorine), an alarm delay time value from 1-255 seconds must be programmed (An alarm 
delay value of 000 seconds disables FVS system).

If FVS alarm occurs, pump will stop, send an external signal (if setup), and screen will flash FVS 
with an alarm icon.

To clear FVS alarm, you must press START button or re-cycle power (unplug power to pump, then 
plug back in).

Install FVS Flow Sensor - 

Flow Verification Sensor (FVS) should be installed on the inlet (suction) 

side of the pump tube. Sensor includes a PVC tubing insert, located inside sensors female thread 
connection, that is designed to seal sensor onto pump tube inlet adapter. Thread sensor onto 
pump tube until tubing insert is snug against pump tube inlet fitting - do not over-tighten.

Confirm the FVS flow range - 

Flow 

Verification Sensor (FVS) will only function 
within its operating range. See chart for 
available ranges.

NOTE: For low viscosity (water-like) fluids 
only. Consult the factory if attempting to 
use with viscous fluids.   

OPERATING 

FLOW RANGE

(ml/min)

100-1000

FV-200-6V

200-2000

FV-300-6V

300-3000

FV-400-6V

500-5000

FV-500-6V

700-7000

FV-600-6V

SENSOR MODEL NUMBER

30-300

FV-100-6V

FV-200-3V
FV-300-3V
FV-400-3V
FV-500-3V
FV-600-3V

FV-100-3V

3/8”OD tube 

connections

1/2” F/NPT 

connections

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Page 12

Flex-Pro

11.0  TFD (Tube Failure Detection)

Flex-Pro is equipped with a 

Tube Failure Detection 

System which is designed to 

stop the pump and provide an output alarm (see Output menu) in the event pump 
the tube should rupture and chemical enters the pump head. The pump will 
detect a chemical with a conductivity reading greater than 500 microsiemens. 
Chemicals with a conductivity of less than 500 microsiemens will not be 
detected.

This patented system is capable of detecting the presence of a large number of 
chemicals including Sodium Hypochlorite (Chlorine),  Hydrochloric (muriatic) 
Acid, Sodium Hydroxide, and many others. The system will not be triggered by 
water (rain, condensation, etc.) or silicone oil (roller and tubing lubricant).

If system has detected chemical, pump tube must be replaced and pump head 
and roller assembly must be thoroughly cleaned.  Failure to clean the roller 
assembly will void warranty.

If TFD alarm occurs, pump will stop, close an alarm output, and screen will flash 
TFD with an alarm icon.

Confirm Chemical Detection - 

To determine if your chemical will be detected by 

the system, remove the pump head cover and the pump tube and roller assem-
bly. Place a small amount of chemical in the bottom of the pump head - just 
enough to cover the sensors. Replace the pump head cover only. When asked if 
the tube was replaced, select “no” and press enter. Turn on the pump (press 
start). If the TFD system detects the chemical, the pump will stop after a two 
second confirmation period and the TFD Alarm screen will display. If the TFD 
system does not detect the chemical, the pump will continue to run after the 
confirmation period. Carefully clean the chemical out of the pump head being 
sure to remove all traces of the chemical from sensor probes. Replace the roller 
assembly and tubing. Replace the pump head cover. Press the START button to 
clear the alarm condition and restart the pump.

Chemical from tube failure

10.0  Pump Tube Timer

Flex-Pro has a built in Pump Tube Timer. Timer starts when rotor is rotating and stops 
when rotor is idle. To view current Pump Tube Timer value, press the  START and 
DOWN buttons and the Tube Timer screen will appear. Screen will display current 
Pump Tube Time in run-time hours. The Tube Timer screen will display for 4 seconds 
and then switch back to the previous operating display screen.

While displayed, press DOWN arrow button twice to reset Pump Tube Timer to zero.

When replacing pump tube, pump will ask you if you’d like to reset Pump Tube Timer. 
If you choose YES, screen will display current Pump Tube Time for 5 seconds before 
timer is reset to zero.

12.0     Alarm Relay

Pump has a built in 6 amp alarm output relay. Relay is pre-configured to 
energize on tube failure detection (TFD) and on Flow Verification Sensor (FVS). 

A Flow Verification Sensor must be installed and configured for relay to trigger 
on no-flow conditions.

E

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Page 13

Flex-Pro

13.0  Reverse Rotor Rotation

Increase tube life with this feature!

!

CAUTION

Prior to service, pump clean water through the pump and suction / discharge line to 
remove chemical.

Always wear protective clothing, face shield, safety glasses and gloves when working on 

or near your metering pump.  Additional precautions should be taken depending on 

solution being pumped. Refer to MSDS precautions from your solution supplier.

!

CAUTION

Pump rotor can reverse rotation by pressing REVERSE ROTATION button. This process can be used for many 
reasons throughout various industries.

Two reasons for reversing current rotor rotation; to purge chemical from tubing and to extend tube life.

Plan ahead before reversing rotor rotation. If checkvalves are installed, make necessary arrangements to allow 
back flow.

If your desire is to simply extend tube life:

Typically tubing fails on outlet side (pressure side) of tube assembly in pump head.  

Failure to install checkvalves in their proper flow direction can cause excess pressure 

(PSIg) build up in system and can result in tube rupture.

Always use extreme caution and ensure proper connections when using this feature. 

!

CAUTION

Swap Inlet

and Outlet

ON

R

T

F

Reversing rotation, moves outlet side (pressure side) to 
opposite side of tube assembly, greatly increasing tube life.

Stop pump before tube failure occurs.

Disconnect power from pump. Carefully purge any pressure 
in discharge line of pump. Disconnect suction end tubing and 
discharge end tubing from pump head tubing.

IMPORTANT! Swap sides of suction (inlet) and discharge 
(outlet) tubing. No need to remove Pump Head Cover.

Double check all connections before starting pump.

ON

R

T

F

Outlet

Inlet

Di

n  re

o

i

c

t

t

a

i

t

o

o

n

R

Typical Failure Point

(pressure side)

!

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Page 14

Flex-Pro

15.0  Tube Replacement

Pump Head

Spacer, Rear

Rotor

Spacer, Front

Tubing Assembly

Pump Head Cover

Thumb
Screws

Tube Nut

Remove 

Pump Head Cover 

by unscrewing four

 Thumb Screws. 

Pull out

 Pump 

Head Cover. 

Pump will detect 

Pump Head Cover

 is removed and enter MAINTENANCE MODE.

Rotor will rotate at a maximum of 6 RPM for your safety.

Pull out suction side of 

Tubing Assembly

.

Press START

 

button. While rotor is rotating, pull out old 

Tube Assembly

.

TIP! Let pump do the work for you. Just guide tubing out between two rollers 
located on 

Rotor

.

Press STOP button at any time to stop the pump.

Pull out suction line adapter from Pump Head. Pull out 

Tubing Assembly

 as the 

Rotor

 rotates around.

Stop pump by pressing STOP button.

Thoroughly clean 

Pump Head

 and 

Rotor

Rotor

 can be removed by pulling straight 

out. After cleaning process, push 

Rotor

 back on shaft. See drawing above for 

proper assembly. IMPORTANT! 

Rotor

 direction; the word “FRONT” on 

Rotor

 must 

face front of pump.

Locate your new tubing and Tube Installation Tool. Please see next page on how to 
install new 

Tube Assembly

 into 

Pump Head

.

!

CAUTION

Prior to service, pump clean water through the pump and suction / discharge line to remove 
chemical.

Always wear protective clothing, face shield, safety glasses and gloves when working on 

or near your metering pump.  Additional precautions should be taken depending on 

solution being pumped. Refer to MSDS precautions from your solution supplier.

!

CAUTION

Tube Installation Tool

90002-278

Use provided Tube Installation Tool to leverage tubing into pump head, NOT YOUR 
FINGERS.

!

CAUTION

Use extreme caution when replacing pump tube. Be careful of your fingers and DO NOT 
place fingers near rollers.

!

CAUTION

E

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Page 15

Flex-Pro

14.0

How to Maintain Pump

Always wear protective clothing, face shield, safety glasses and gloves when working on 

or near your metering pump.  Additional precautions should be taken depending on 

solution being pumped. Refer to MSDS precautions from your solution supplier.

!

CAUTION

Routine Inspection and Maintenance

Pump requires very little maintenance.  However, pump and all accessories should be checked weekly.  This is 
especially important when pumping chemicals.  Inspect all components for signs of leaking, swelling, cracking, 
discoloration or corrosion.  Replace worn or damaged components immediately.

Cracking, crazing, discoloration and the like during first week of operation are signs of severe chemical attack.  If this 
occurs, immediately remove chemical from pump.  Determine which parts are being attacked and replace them with 
parts that have been manufactured using more suitable materials.  Manufacturer does not assume responsibility for 
damage to pump that has been caused by chemical attack.

How to Clean and Lubricate Pump

Pump will require occasional cleaning.  The amount will depend on severity of service.

]

When changing pump tube assembly, pump head chamber, roller assembly and pump head cover should be wiped 

free of any dirt and debris.

]

Pump head cover bearing may require grease periodically.  Apply a small amount of grease (Aeroshell aviation 

grease #5 or equivalent) when necessary.

]

Although not necessary, 100% silicon lubrication may be used on the roller assembly and tube assembly.

]

Periodically clean injection/check valve assembly, especially when injecting fluids that calcify such as sodium 

hypochlorite.  These lime deposits and other build ups can clog fitting, increase the back pressure and interfere with 
check valve operation. 

]

Periodically clean suction strainer. 

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Page 16

Flex-Pro

Re-attach 

Pump Head Cover

 using the four 

Thumb Screws

.

Insert suction fitting into pump head. Remove your 
fingers from pump head. Start pump by pressing

 

START

 button. Grab hold of Tube Installation Tool 

and use it to leverage tubing into pump head.

Introduce tubing into pump head while the rotor is 
rotating. Avoid using fingers to guide the tubing. 
Stop pump at anytime by pressing 

STOP

 button. 

Start pump by pressing 

START

 button.

Continue to follow rotation of rotor while directing 
tube into pump head. At this point, you may need to 
pull Tube Installation Tool to stretch tubing into 
position. Let rotor spin a few rotations while pulling 
Installation tool so fitting can be properly installed.

Continue to pull Tube Installation Tool to allow 
enough room to slide discharge fitting into pump 
head tongue and groove. Once discharge fitting is 
secured in pump head, stop pump by pressing STOP 
button. Replace pump head cover. Pump will ask you 
if you’d like to reset tube timer. If you choose 

yes

current tube time will display for 5 seconds before 
resetting to zero. Make note of your displayed tube 
life. Select Yes again to reset tube life timer.

1

2

3

PULL

4

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Page 17

Flex-Pro

16.0

Blue-White Industries pump replacement parts list

1

2

3

5

4

6

7

8

1

2

3

4

Pump Head

Spacer, Back (replaces 90011-184)

Roller Assembly Complete (Rotor), For ND, NF Tubes

Tube Assembly, 3/8” tube connect, Norprene ND (.075 ID)

A2-SXX-H

76001-503

A2-SND-R

A2-SND-T

1

1

1

1

4

Tube Assembly, 3/8” tube connect, Norprene NF (.155 ID)

A2-SNF-T

1

3

4

Roller Assembly Complete (Rotor), For NH, NJ, NK, NKL Tubes

Tube Assembly, 3/8” tube connect, Norprene NH (.250 ID)

A2-SNH-R

A2-SNH-T

1

1

3

4

Roller Assembly Complete (Rotor), For GE, GG, GH, GK Tubes

Tube Assembly, 3/8” tube connect, Tygothane GE (.125 ID)

A2-SGE-R

A2-SGE-T

1

1

4

Tube Assembly, 3/8” tube connect, Tygothane GG (.187 ID)

A2-SGG-T

1

4

Tube Assembly, 3/8” tube connect, Tygothane GH (.250 ID)

A2-SGH-T

1

6

7

Pump Head Cover, Annealed Acrylic

Thumb Screw

A3-SXX-C

90011-183

1

4

5

Spacer, Front

90011-014

1

8

Tube Nut, Compression, For 3/8” Tubing

C-330-6

2

Tubing in this group are 
interchangeable with 
single roller assembly 
(rotor).

®

Norprene

Tubing in this group are 
interchangeable with 
single roller assembly 
(rotor).

Tubing in this group are 
interchangeable with 
single roller assembly 
(rotor).

®

T

ygothane

Stainless Steel extended mounting bracket kit (pair)

Rubber feet

72000-380

90003-561

1

4

Not

Shown

Stainless Steel mounting bracket kit (pair)

72000-379

1

Not

Shown

Not

Shown

4

Tube Assembly, 1/2” Male NPT connect, Norprene ND (.075 ID)

A2-MND-T

1

4

Tube Assembly, 1/2” Male NPT connect, Norprene NF (.155 ID)

A2-MNF-T

1

4

Tube Assembly, 1/2” Male NPT connect, Norprene NH (.250 ID)

A2-MNH-T

1

4

Tube Assembly, 1/2” Male NPT connect, Tygothane GE (.125 ID)

A2-MGE-T

1

4

Tube Assembly, 1/2” Male NPT connect, Tygothane GG (.187 ID)

A2-MGG-T

1

4

Tube Assembly, 1/2” Male NPT connect, Tygothane GH (.250 ID)

A2-MGH-T

1

3

4

Roller Assembly Complete (Rotor), For TH, TK Tubes

Tube Assembly, 3/8” tube connect, Norprene Chemical TH (.250 ID)

A2-STH-R

A2-STH-T

1

1

Tubing in this group are 
interchangeable with single 
roller assembly (rotor).

4

Tube Assembly, 1/2” Male NPT, Norprene Chemical TH (.250 ID)

A2-MTH-T

1

QTY

Description

Part Number

Item

®

Norprene

®

Norprene

 Chemical

4

Tube Assy, 3/8” tube cont, Norprene NKL (.375 ID) 

Low Pressure (30 psi max)

A2-SNKL-T

1

4

Tube Assy, 1/2” Male NPT, Norprene NKL (.375 ID) 

Low Pressure (30 psi max)

A2-MNKL-T

1

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LIMITED WARRANTY

Your new Flex-Pro pump is a quality product and is warranted for 24 months from date of purchase (proof of purchase is required).  The 
pump will be repaired or replaced at our discretion.  Pump Head and roller assembly is warrantied against damage from chemical 
attack when proper TFD (Tube Failure Detection) system instructions and maintenance procedures are followed.

 

WHAT IS NOT COVERED

Pump Tube Assemblies and rubber components – They are perishable and require periodic replacement.

Pump removal, or re-installation, and any related labor charge.

Freight to the factory, or ProSeries service center.

Pumps that have been tampered with, or in pieces.

Damage to the pump that results from misuse, carelessness such as chemical spills on the enclosure, abuse, lack of 
maintenance, or alteration which is out of our control.

Pumps damaged by faulty wiring, power surges or acts of nature.

Blue-White Industries does not assume responsibility for any loss, damage, or expense directly or indirectly related to or arising out of 
the use of its products.  Failure must have occurred due to defect in material or workmanship and not as a result of operation of the 
product other than in normal operation as defined in the pump manual.
Warranty status is determined by the pump's serial label and the sales invoice or receipt.  The serial label must be on the pump and 
legible.  The warranty status of the pump will be verified by Blue-White Industries or a factory authorized service center.

OTHER IMPORTANT WARRANTY INFORMATION

Please be advised; injection and metering devices are not intended as a means of treating water to render it suitable for human 
consumption.  When used as hypochlorinators, they are meant to destroy bacteria and algae contamination, before its removal by 
filtration.  Acid and soda injectors are used for PH control (balance).  Blue-White Industries injectors are factory tested with water only 
for pressure and performance.  Installers and operators of these devices must be well informed and aware of the precautions to be 
taken when injecting various chemicals -especially those considered hazardous or dangerous, eye protection must be worn when 
working around this product or any other metering type of pump.
Should it become necessary to return the pump for repair or service, you must attach information regarding the chemical used as some 
residue may be present within the unit which could be a hazard to service personnel.
Blue-White Industries will not be liable for any damage that may result by the use of chemicals with their injectors and its components.  
Thank you.

PROCEDURE FOR IN WARRANTY REPAIR

Contact the factory to obtain a RMA (Return Material Authorization) number. Carefully pack the pump to be repaired. It is recommended 
to include foot strainer and injection/check valve fitting since these devices may be clogged and part of the problem.  Please enclose a 
brief description of the problem as well as the original invoice or sales receipt, or copy showing the date of purchase.  Prepay all 
shipping costs.  COD shipments will not be accepted.  Warranty service must be performed by the factory or an authorized ProSeries 
service center.  Damage caused by improper packaging is the responsibility of the sender.  When In-Warranty repair or replacement is 
completed, the factory pays for return shipping to the dealer or customer.

Users of electrical and electronic equipment (EEE) with the WEEE marking per Annex IV of the WEEE Directive must not 
dispose of end of life EEE as unsorted municipal waste, but use the collection framework available to them for the return, 
recycle, recovery of WEEE and minimize any potential effects of EEE on the environment and human health due to the 
presence of hazardous substances. The WEEE marking applies only to countries within the European Union (EU) and Norway. 
Appliances are labeled in accordance with European Directive 2002/96/EC. 
Contact your local waste recovery agency for a 

Designated Collection Facility

 in your area.

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