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P5    

     3.2.2

.

1

 

Probe use and maintenance

Probe must be always place in water vertically

• 

Keep your probes electrode moist. Probes for new or long term storage should be placed in  

protection cap with protective solution (which cover the glass electro). You should not remove 
the cap before use. Keep the cap: place the probe back to the cap for long term storage.

• Make sure the pipe are fill with water during install and use the probe. The probe must be 
electro must be in water always.

• Probe cannot install upside down or horizontally.

•  When  probe  is  in  the  pipe:  make  sure  water  in  pipe  does  not  freeze  (especially  during 
Winter), it will damage the probe.

To have an accurate measure result, flow rate inside the pipe (with probe) must be in 2-10L.

4. PH AND ORP SETTING

Panel

SET LOW

Hysteresis

SET HIGH

CAL

ALARM LOW

ALARM HIGH

Set low  ORP/ 

pH setpoint

Set hysteresis

Set High pH 

setpoint

pH calibration 

ORP/pH

Alarm low limit

ORP/pH

Alarm high limit

4.1 Functional setting

 

4.1.1

 

Power up:

Pull the power switch to “on”, LEDs will light up for 3 sec than display the real time value for 
ORP and pH.
“ORP”digit display
Left Digit display is ORP, unit is in mV, which display ORP value and its related setting. Range 
from 0-999.
“pH”digit display
Right Digit display is pH, unit is in pH, which display pH value and its related setting. Range 
from 0-14.

Summary of Contents for WT500PR

Page 1: ...USER MANUAL Model WT500PR DUAL PARAMETER WATER QUALITY MONITOR EMPU22071340...

Page 2: ...2 1 Electricity connection 3 2 2 Probe install PH AND ORP SETTING 4 1 Functional setting 4 1 1 Power up 4 2 Select ORP pH operating mode 4 3 Operating mode 4 3 1 Power up 4 3 2 Automatic mode CALIBRAT...

Page 3: ...re met the controller must be used with the accessories specified in this manual because those accessories has been tested their compatibility with the controller If damaged or malfunctioning is found...

Page 4: ...pH down Alk pH up Type of dosing pump AC 220V 240V 50 60Hz 50W max Display Segment digit display Size 214mm H X 185mm W X75mm D Install type Wall mounted Weight 1 1KG without probes Casing Material A...

Page 5: ...WER PH DOWN and PH UP you must make sure the power is disconnected Probe wire should be as short as possible and positioned far away from the power wire pump transformer or any other device which may...

Page 6: ...water in pipe does not freeze especially during Winter it will damage the probe To have an accurate measure result flow rate inside the pipe with probe must be in 2 10L 4 PH AND ORP SETTING Panel SET...

Page 7: ...e setting 4 3 2 1 2 Setup high pH setpoint Press SET HIGH digit display shows Press ORP or pH digital display shows pH high setpoint Press adjust the expected pH high setpoint Press SET HIGH to save t...

Page 8: ...up ORP Low ORP setpoint SANITIZER feed relay is open SANITIZER dosing pump stop At the same time ORP FEED LED turns off ORP Alarm ORP Low ORP ALARM setpoint or ORP High ORP ALARM setpoint ORP ALARM L...

Page 9: ...ng pH manual mode suggest the controller is connected to either Acid or Alk dosing pump only Otherwise both pump will running at the same time 5 CALIBRATION 5 1 Zero point calibration ORP pH zero poin...

Page 10: ...libration is done and return Without any key press for more than 8 seconds system will return automatically without save the setting Note The PH value standard liquid should be chosen the pH value whi...

Page 11: ...obe calibration pH1 0 pH10 0 7 RESET TO DEFAULT FACTORY SETTING Power the controller off press and hold keys SET HIGH and ALARM HIGH And then press power the controller up The control will have a beep...

Page 12: ...reading Check probe connections Run zero and probe calibration Replace probes Relay out of function dosing pump does not run Check dosing pump connection and power of controller Check the power and vo...

Page 13: ...YOUR PREMIER SUPPLIER www emauxgroup com EMAUX WATER TECHNOLOGY CO LTD...

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