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HENDEN

 INSTALLATION & OWNERS MANUAL

 Henden pH Dosing Pump Owners Manual

OWNERS MANUAL

5. COMMISSIONING AND OPERATION

5.1 Calibration Procedure

This operation is used to set the sensor response reading 
of the pH and peristaltic pump.
Before carrying out the calibration of the probe, remember to:

• 

Stop the filtration pump

• 

Close the isolation valves, if fitted

• 

Remove the probe from the probe holder

• 

Put the shutter washer (fig. 12) in to close off the hole in the 
probe holder

• 

Open the isolation valves, if fitted

• 

Turn on the filtration pump and check that the ON/OFF switch 
(I/O) of the pump is switched to “I”

• 

Carry out the calibration of the probe and repeat the previous 
actions to put the probe back in place. As described in 3.2.3

Nut
Disk brake
Washer seat
Shutter Washer
O-ring

Fig. 11

5.2 Important Points

• 

To ensure the probe signal remains as accurate as possible, 
please follow the procedure as listed below during the 
commissioning of the pool and every 3-4 weeks thereafter, 
or as required.

• 

The procedure is renewed in case of abnormal consumption of 
chemicals.

1.  Remove the protective cap of the probe and keep it for 

reuse at the time of winterising.

Probe

Protective 
Cap

2.  Rinse the probe in tap water for at least 20 minutes.

3.  Next immerse the probe in the pH 7 solution, stir around 

in bottle and leave it in the solution being careful not to 
touch the probe or the cable.

4.  After a period of at least one minute, the stabilised 

value is displayed. Press the CAL button until the display 
shows CAL flashing then release. The quality of the 
probe reading is then briefly displayed.

CAL

SET

pH -

5.  The calibration of the Henden pH Dosing Pump is 

completed: It is now ready to measure the pH of 
your pool.

Summary of Contents for HPHDB

Page 1: ...ing Pump HPHDB WARNING Failure to follow these instructions and comply with all applicable codes may cause serious bodily injury and or property damage The installation of this product should be carried out by a person knowledgeable in swimming pool plumbing requirements following the installation instructions provided in this manual ...

Page 2: ......

Page 3: ...unting of the Probe on the Probe Holder 6 3 2 4 Mounting of Injection Valve 6 3 2 5 Mounting of the Tube into the Injection Valve 7 4 CONNECTING THE POWER AND POOL PUMP TO YOUR PH CONTROLLER 7 OWNERS MANUAL 5 COMMISSIONING AND OPERATION 8 5 1 Calibration Procedure 8 5 2 Important Points 8 5 3 Settings 9 5 3 1 Adjustment of the Set Point 9 5 4 Operating Principle 9 6 MAINTENANCE 9 6 1 Replacement o...

Page 4: ...ed in the state or country under consideration Use of electrical equipment always implies observance of some basic rules In particular Do not touch with wet or damp hands or feet Do not operate the Henden pH Dosing Pump with bare feet example swimming pool equipment Do not leave the equipment exposed to atmospherit agents Do not allow the Henden pH Dosing Pump to be used by children or unskilled i...

Page 5: ...t of product needed to maintain the balance of the pool water The pump works in acid pH or basic pH dosage 2 1 Parts Description Here are the complete contents of the package you received All parts will be necessary for the proper operation of your device 2 2 Pump Interface A Peristaltic pump x 1 B 4 meters of PVC Cristal tube x 1 C Screws for wall mounting x 2 D Masonry plugs for wall mounting x ...

Page 6: ...f the pipe work through the clamp 14 mm for the electrode pH probe Fig 6 E E 3 2 3 Mounting of the pH Probe into the Probe Holder After removing the protective cap from the probe you need to insert all the parts as shown in the Fig 7 Before inserting the probe into the pipe make sure you calibrate the probe refer to 5 1 Calibration Procedure for instructions Once the probe has been constructed as ...

Page 7: ...the pump 1 Slide the tube through the nut 2 Put the tube at the bottom of the conical nipple 3 Screw the nut by hand onto the nipple 4 CONNECTING THE POWER AND POOL PUMP TO YOUR PH CONTROLLER Connection diagram for the Henden pH Dosing Pump The Henden pH Dosing Pump system should ideally be plumbed and connected up as shown in the diagram below If your pool pump is plugged into your Chlorinator 1 ...

Page 8: ...seat Shutter Washer O ring Fig 11 5 2 Important Points To ensure the probe signal remains as accurate as possible please follow the procedure as listed below during the commissioning of the pool and every 3 4 weeks thereafter or as required The procedure is renewed in case of abnormal consumption of chemicals 1 Remove the protective cap of the probe and keep it for reuse at the time of winterising...

Page 9: ...the value of the set point press SET and press CAL by pulse Each pulse changes the pH value by 0 1 pH between 7 0 and 7 6 5 4 Operating Principle The Henden pH Dosing Pump adjusts its dosage in proportion to the demand It will dose less if the displayed measure is near the set point In normal operation the pump will increase its non operational time period proportional to the required dosage deman...

Page 10: ...tic tube and flush it with fresh water Once complete ensure the tube is completely dry and re install 6 5 Probe Wintering During winterising the probe must be removed from of the installation and pipe work The protection cap as shown on page 8 must be filled with fresh water a 1 3 of the way up Place the probe into the protection cap and water and store in a safe place until after the winter perio...

Page 11: ...or which the product was not designed or advertised failure to properly follow the provided installation and operating instructions failure to carry out maintenance corrosive or abrasive water or other liquid lightning or high voltage spikes or unauthorized persons attempting repairs Where applicable your Henden product must only be connected to the voltage shown on the nameplate Henden does not c...

Page 12: ...P N 403229 2 ...

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