Tol Watertechniek HD 200 Manuale utente

Manual

Purusaqua

ORP controller

Dear Customer

We are honoured that you have chosen for the products of Tol WaterTechniek (hereinafter referred to

as TWT). Read this manual carefully so you will use the product correctly and so a correct functioning

is guaranteed. If after reading this manual or while using our product you have any questions, please

contact your dealer or TWT. We will be happy to help

Table of contents

Table of contents ........................................................................................................................ 3

1 EG declaration.................................................................................................................... 4

2 Safety.................................................................................................................................. 6

2.1 Intended scope............................................................................................................ 6

2.2 Risks in the use of ozone equipment.......................................................................... 6

3 Requirements regarding the installation environment........................................................ 7

4 ORP controller.................................................................................................................... 8

4.1 Explanation of the controls ........................................................................................ 8

4.2 Installing the ORP controller...................................................................................... 9

4.3 Checking the right connection of the ORP controller ................................................ 9

4.4 Setpoint and hysteresis ............................................................................................... 9

4.4.1 Adjusting the setpoint....................................................................................... 10

4.4.2 Setting the hysteresis........................................................................................ 10

4.5 Calibrating the controller ......................................................................................... 11

4.6 Maintenance ............................................................................................................. 12

4.7 Storing the electrode................................................................................................. 12

4.8 Problem solving........................................................................................................ 12

4.9 Technical data .......................................................................................................... 13

5 Miscellaneous peripherals ................................................................................................ 14

5.1 Flow-trough assembly .............................................................................................. 14

6 Warranty determination.................................................................................................... 15

7 Disclaimer ........................................................................................................................ 16

8 Contact information.......................................................................................................... 17

1 EG declaration

2 Safety

2.1 Intended scope

The products described in this manual are intended to be used for the treatment of slightly

contaminated water. Water of pools, ponds, aquariums and light industry or similar for example.

The use of these products in a different situation than recommended may result in personal injury and

possible premature wear of the equipment.

2.2 Risks in the use of measuring equipment

Despite the fact that our products are designed in such a way that the risks are minimalized there is

always a risk of dangerous situations. During the use of our measuring equipment various parts are

connected to the mains voltage. Never open the enclosure of our measuring equipment if the power

lead is still connected to the mains.

3 Requirements regarding the installation environment

Measuring equipment should be placed in a dry and cool environment protected against direct sunlight

and rain.

It is of great importance that the cable inlet of the electrode remains above water at all times.

Therefore it is preferred to use a flow trough assembly to mount the electrode . Electrodes are not

suited in systems operating under high pressure. The use is only permitted in places with a pressure

below 0.3 bar.

Defects caused by neglecting these installation requirements will not be covered by warranty!

4 ORP controller

4.1 Explanation of the controls

Display (green screen)

On the display the measured values are shown such as the current ORP value, setpoint and the status

of the output. In the shown photo the "value screen" is shown.

Menu button

If the menu button is pressed while the value screen is shown the setting menu will be shown. In this

menu the controller can be calibrated and the parameters of the output can be set. If the menu button

is pressed a second time the display will show the value screen again.

↑Scroll button "up"

The up button is used to navigate through the menu and to adjust settings. The setpoint and

calibration parameters can be adjusted with this button.

↓Scroll button "down"

The down button is used to navigate through the menu and to adjust settings. The setpoint and

calibration parameters can be adjusted with this button.

Ok button

The Ok button is used to select a menu item or to confirm a setting.

4.2 Installing the ORP controller

Uninstall the lid by turning the 4 screws in the lid one quarter. De screws will pop up en are raised

above the lid. Now you can fold the lid open.

Mount the ORP controller on a flat surface in a dry environment en screw the lid

back in place. Only mount the ORP controller in a dry and well ventilated

environment protected from direct sunlight. Only connect the ORP controller to a

wall socket with a safety earth connection!

It is advised to use a flow trough assembly to mount the electrode (available by

your dealer).You can place the electrode in a sieve or vortex as well but be

careful that the wire connection on the electrode remains above the water level

at all time.

4.3 Checking the right connection of the ORP controller

There are a few simple tests which you could perform to test if the controller is connected right.

•Place your electrode in a glass of tap water, the controller should show a value between 150

and 300mV.

•Gently wipe your finger over the electrode tip, the shown value should change quite rapidly.

4.4 Setpoint and hysteresis

The ORP controller has an adjustable relay output. This can be used to control a dosing pump or a

ozone generator.

The value at which this relay should be controlled is referred to as "setpoint". You also can adjust the

hysteresis. The hysteresis prevents that the relay will flicker around its setpoint, below an example.

Assume that the setpoint is set to 275mV and the hysteresis is set to 5mV. As soon as the measured

value becomes below 270mV (setpoint - hysteresis) the relay will be activated. The measured value

need to be raised to 280mV (setpoint + hysteresis) to get deactivate.

At a hysteresis of 0mV the relay would be activated at a measured value below 275mV and

deactivated at a value higher as 275mV. Thus the relay would flicker around the setpoint of 275mV,

this is prevented by the hysteresis.

4.4.1 Adjusting the setpoint

We advice you to adjust the setpoint according to the table shown on this page. The

hysteresis is preset at 5mV in the factory, for most applications this is a good setting.

To adjust the setpoint press the menu button once, the screen below is shown:

Next press the "ok" to confirm that you want to adjust the setpoint. The following screen

appears which ask you to adjust the setpoint:

You can adjust the setpoint to the desired value by pressing the ↑and ↓buttons. If the setpoint is

adjusted to the desired value you must confirm the setting by pressing the "ok" button. The following

screen appears which ask you to set the hysteresis:

4.4.2 Setting the hysteresis

The hysteresis is set by pressing the ↑and ↓buttons. If the hysteresis is adjusted to the desired value

you need to confirm the setting by pressing the "ok" button. The setpoint and hysteresis are now set

and the display of the ORP controller now will show the menu again. By pressing the ↑and ↓buttons

you can scroll through the menu. By pressing the "menu" button the ORP controller will return to the

value screen.

Max. mV

330

6,1

330

6,2

320

6,3

320

6,4

310

6,5

310

6,6

300

6,7

290

6,8

290

6,9

280

270

7,1

270

7,2

260

7,3

260

7,4

250

7,5

250

7,6

240

7,7

230

7,8

230

7,9

220

210

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