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Pahlen AUTODOS 5000, Manual

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Pahlen AUTODOS 5000 Manual Download Page 7

pH/chlorine regulator  AUTODOS 5000 - 2005-01-21

Eng_Autodos5000.doc  ver 3.2    -    page 7

ENTER CODE LEVEL

  

CODE

When the button 

'CODE'

 is pressed down, the opening code can be entered by using the buttons 

’0’

–

’9’, ’RESET’

 clears the display. If the entered code is the same as opening code 1, you will enter

code level 1and if the entered code is the same as opening code 2, you will enter code level 2 when
the button 

'CODE'

 is released. This is indicated by LED ’CODE’, if the LED ’CODE’ is flashing

you are in code level 2 and if there is steady light, you are in code level 1. The opening code can be
altered in calibration mode, this is described in the calibration chapter. If you have forgotten the
code, it can be displayed during the startup sequence. If the button 

’CODE’

 is pressed during the

count-down time, the code for code level 2 is displayed. If no codes are used, code level 2 is reached
directly when the button 

‘CODE’

 is pressed.

VIEW/ALTER SET VALUES

  

SET

VALUE

When the button 

'SET VALUE'

 is pressed down, the set values can be altered by using the buttons

'

↓

' or '

↑

' below the displays for the respective channels. At least code level 1 is required for alteration

of the values.

VIEW/ALTER ALARM LIMITS

ALARM

 

HIGH

When the button 

'HIGH ALARM'

 is pressed down, the high alarm limits can be altered by using

the buttons '

↓

' or '

↑

' below the displays for the respective channels. At least code level 1 is required

for alteration of the values.

ALARM
 LOW

When the button 

'LOW ALARM'

 is pressed down, the low alarm limits can be altered by using the

buttons '

↓

' or '

↑

' below the displays for the respective channels. At least code level 1 is required for

alteration of the values.

OTHER DISPLAY

 

VIEW

UNCAL

The uncalibrated value for all electrodes can be shown by pressing the 

'FUNCTION'

 and 

'LOW

ALARM'

 buttons simultaneously.

  VIEW
 FLOW
GUARD

To display the current status of the flow guard input (’

F-0

’ = flow OFF, ’

F-1

’ = flow ON) , press the

'SET VALUE'

 and 

'HIGH ALARM'

 buttons simultaneously. If no flow guard is selected, there

will be no display.

  VIEW
VERSION

To display the current program version press the 

'HIGH ALARM'

 and 

'LOW ALARM'

 buttons

simultaneously.

  VIEW
SERIAL
NUMBER

To display the factory programmed serial number, press the 

'FUNCTION'

 and 

'HIGH ALARM'

buttons simultaneously.

Summary of Contents for AUTODOS 5000

Page 1: ...pH chlorine monitor for swimming pools AUTODOS 5000 ...

Page 2: ...16 2 13 4 Common Set up 17 2 13 5 Channel Specific Set up Free Chlorine 17 2 13 6 Channel Specific Set up Combined Chlorine 18 2 13 7 Channel Specific Set up pH Acid Alkali 18 3 Maintenance 19 3 1 Calibration 19 3 1 1 pH Calibration 19 3 1 2 Free Chlorine Calibration ProMinent chlorine electrode CLE 2 2 20 3 1 3 Free Chlorine Calibration ProMinent chlorine electrode 4 20mA CLE 3 mA 10ppm 21 3 1 4 ...

Page 3: ...pH chlorine regulator AUTODOS 5000 2005 01 21 Eng_Autodos5000 doc ver 3 2 page 3 1 Installation 1 1 Suggested Layout for Installation of AUTODOS 5000 ...

Page 4: ...g pumps should be controlled via the filter pump electrically via a contactor A flow guard shall be used for preventing dosing in the event of no water flow in the flow cell The alarm relay is arranged to operate in a fail safe manner Voltage is applied to the relay when no fault condition exists and is disconnected if a fault condition occurs This means that the relay may be used to indicate a po...

Page 5: ...pH chlorine regulator AUTODOS 5000 2005 01 21 Eng_Autodos5000 doc ver 3 2 page 5 1 3 Suggested Connections In the example below connections for the three available regulation alternatives are shown ...

Page 6: ...r during error conditions short text messages may be displayed refer to the text message section for further information CODE LEVELS To avoid unintentional alterations and to prevent unauthorised personal from changing the settings there are two different code levels In normal mode no settings or values can be altered you can only RESET the alarms CODE LEVEL 1 Set values alarm limits and regulatio...

Page 7: ...n be altered by using the buttons or below the displays for the respective channels At least code level 1 is required for alteration of the values VIEW ALTER ALARM LIMITS ALARM HIGH When the button HIGH ALARM is pressed down the high alarm limits can be altered by using the buttons or below the displays for the respective channels At least code level 1 is required for alteration of the values ALAR...

Page 8: ...sing error OTHER BUTTONS RESET Press to clear a current alarm condition When this button is pressed a text is shown on the appropriate channel to indicate the type of alarm after 1 second the displayed alarm is acknowledged and a new alarm displayed if there are any When all alarms are acknowledged the alarm relay is always cleared and depending upon whether the fault condition s still exists the ...

Page 9: ...flashing AUTO LED s on the chlorine channels and alarm text PHF LED s INDICATORS FOR ALARM LOW FLOW Insufficient water flow through the flow cell ALARM High or low alarm dosing alarm or flow alarm on the displaying channel All alarms have a 5 second delay LED s INDICATORS FOR CALIBRATION ACTIVE Calibration mode entered Possible to set chlorine zero calibration pH7 and pH9 values ADJUST Calibration...

Page 10: ...oint min EL2 Active electrode fault 2 low calibration point max EL3 Active electrode fault 3 high calibration point min EL4 Active electrode fault 4 high calibration point max noC Chlorine value too low calibration not possible These are the texts in priority order that can be displayed when the RESET button is pressed FLo Active flow alarm Lo Active low alarm Hi Active high alarm doS Dosing error...

Page 11: ...he alkali set value then alkali dosing will commence and continue until the pH exceeds the alkali set value 2 4 2 Chlorine Dosing on off by Chlorine Monitoring set value chlorine dosing off monitored value chlorine dosing on As long as the monitored value exceeds the set value then chlorine dosing is inactive If the chlorine level falls below the set value then chlorine dosing commences and will c...

Page 12: ...imum dosing of 100 pulses min will occur whenever the monitored value is equal to or greater than the limit of the dosing range and will be 0 pulses min when the monitored value equals the set value Between these two limits the dosing will be proportional to the difference between the monitored and the set value in the range 0 to 100 pulses min Alkali dosing If the monitored value falls below the ...

Page 13: ...epping mode is entered The other parameters needed for the PD regulation are set in the set up The parameters are 1 P band The difference between measured value and set value needed for full output A small P value makes the regulator react more for a given difference 2 D time Sets how much the regulator shall react for a given change of the measured value A large D value gives a large reaction 2 6...

Page 14: ...mit monitored value alarm activated A high alarm occurs whenever the monitored value of the appropriate channel exceeds the user determined limit 2 9 Alarm Low set value low alarm limit monitored value alarm activated A low alarm occurs if the monitored value of the appropriate channel is below the user determined limit ...

Page 15: ...ing re starts when the value is within its limit High pH stops chlorine dosing re starts when the value is within its limit Dos pH stops pH dosing re starts at RESET Dos chlorine stops chlorine dosing re starts at RESET Low free chlorine High free chlorine Low combined chlorine High combined chlorine All alarms have a 5 second delay time 2 11 Reset RESET of all alarms is made by pressing the RESET...

Page 16: ...n the editing of codes for level 1 and 2 on a rotary basis 2 13 2 Enter Selected Set up Mode Set up mode is entered via calibration first enter calibration by pressing the CAL button until the ACTIVE LED lights There are four set up alternatives and the following button combinations are used for entering the selected set up mode 11 15 FUNCTION RESET Set up options common for all channels 13 1 SET ...

Page 17: ...g LED s OFF and AUTO on the free chlorine channel To exit the set up press CAL or step out from the last row The following alterations may be made in channel specific set up Free Chlorine Row Text Setting Explanation 01 dos oFF ono FrE Cur Dosing type no dosing on off frequency current output 02 P 0 10 2 00 P band 03 d 000 100 D time 04 dF 010 180 Max dosing frequency strokes min 05 Ldt 000 060 mi...

Page 18: ...ions are edited by pressing the or button below display 3 with numeric values you decrease increase the value and with text information you switch between alternatives 2 13 7 Channel Specific Set up pH Acid Alkali Press the buttons SET VALUE SELECT FUNCTION for the pH channel and you will enter the pH channel set up indicated by the text SEt ACi or SEt bAS and flashing LED s OFF and AUTO on the pH...

Page 19: ... pH 7 and pH 9 1 Enter calibration ACTIVE as described in previous chapter The ACTIVE LED should light 2 Take the newly cleaned and rinsed pH electrode and place it in the reference solution for pH 7 use a separate container never the supply container lightly agitate the electrode to ensure a good reading and allow the measured value to stabilise 5 30 seconds Now depress the calibration button pH7...

Page 20: ...e must be reconnected to the electrode and the electrode allowed to monitor in the metering cell for at least 5 minutes This is to ensure a reliable reading for the next calibration 3 Enter calibration ADJUST by pressing the CAL button until the ADJUST LED lights The latest correct electrode signal is now stored 4 Take a water sample and ascertain the correct chlorine value 5 Set the correct chlor...

Page 21: ...onitor in the metering cell for at least 5 minutes This is to ensure a reliable reading for the next calibration 1 hour is a long time to wait for zero calibration and a quicker alternative is to remove the membrane in that case the zero value is stabilised in one minute 3 Enter calibration ADJUST by pressing the CAL button until the ADJUST LED lights The latest correct electrode signal is now sto...

Page 22: ... place the electrode must be re installed and the electrode allowed to monitor in the metering cell for at least 2 minutes This is to ensure a reliable reading for the next calibration 3 Enter calibration ADJUST by pressing the CAL button until the ADJUST LED lights The latest correct electrode signal is now stored 4 Take a water sample and ascertain the correct chlorine value 5 Set the correct ch...

Page 23: ...bration press the button below display 1 Before continuing calibration allow the electrode to monitor in the metering cell for about 2 minutes This is to ensure a reliable reading for the next calibration 4 Enter calibration ADJUST by pressing the CAL button until the ADJUST LED lights The latest correct electrode signal is now stored 5 Take a water sample and ascertain the correct chlorine value ...

Page 24: ...libration is now complete Before any further calibration can take place the electrode must be allowed to monitor in the metering cell for at least 5 minutes This is to ensure a reliable reading for the next calibration 1 hour is a long time to wait for zero calibration and a quicker alternative is to remove the membrane in that case the zero value is stabilised in one minute 3 Enter calibration AD...

Page 25: ... Free Chlorine Cell Control Prominent Control daily that the water flow is correct It should be approx l min 30 l h PB 100 Control daily that the water flow is correct It should be approx 40 l h 2 3 l min Check water filter before flow cell and if necessary clean it Jesco Control daily that the water flow is correct It should be approx 40 l h 2 3 l min The flow should have sufficient force to caus...

Page 26: ... and effective hypochlorus acid and another which is slow acting and ineffective hypochlorite ion These two chlorine variations are produced in a ratio determined by the level of pH as the pH rises in value less of the effective free chlorine is produced and at a pH of 8 0 only 20 of the free chlorine produced is effective To regulate the correct chlorine level both pH and chlorine levels are moni...

Page 27: ... 7 0 acidic water has a lower pH and alkaline water a higher pH a suitable pH value for pool water is 7 4 This choice of a slightly alkaline water is to allow the production of maximum amounts of the useful free active chlorine and at the same time reduce the risk for skin and eye irritation pH value does not remain constant in a swimming pool but is affected by dissolved solids in the water resul...

Page 28: ... 1 00 mg l in bubble pools dependent upon the pH value When installation of an AUTODOS 5000 with free chlorine electrode in swimming pools that have previously been treated with organic chlorine trichlor or dichlor the pool water must be changed This is because the cyanuric acid content in the pool water caused by the organic chlorine results in an exceptionally high value of chlorine when DPD no ...

Page 29: ...ee combined chlorine dependent upon the electrode By pressing the probe check buttons the uncalibrated electrode values can be displayed pH control is either 1 Manual OFF 2 Automatic acid control high set value or alkali control low set value a on off dosing b frequency dosing P or PD regulator 10 180 pulses min c current output dosing P or PD regulator 0 4 20mA 3 Manual dosing a on off dosing rel...

Page 30: ...nctions as follows If operated the alarm LED flashes the alarm relay is activated and dosing ceases Dosing alarm is set by either 1 ON OFF AUTO Alarm is activated after continuous dosing with exceeded low or high alarm limit for a period longer than the specified maximum dosing time 1 60 minutes 2 ON OFF MAN Alarm is activated after continuous dosing for a period longer than the specified maximum ...

Page 31: ...hlorine regulator AUTODOS 5000 2005 01 21 Eng_Autodos5000 doc ver 3 2 page 31 6 Box Fibox Cardmaster PC21 18 CFC II The enclosure has special made cut outs for Autodos 5000 and the drawing below show these ...

Page 32: ...pH chlorine regulator AUTODOS 5000 2005 01 21 Eng_Autodos5000 doc ver 3 2 page 32 7 Electrical Connections ...

Page 33: ... non Do not pH compensate free chlorine 05 PHd ACi Acid dosing 06 PC no No PC access 07 Sio 001 Modbus identification number If Prominent CLE 2 2 or Jesco electrodes are used the setting on row 2 shall be Pb Channel Specific Set up Free Chlorine Row Text Setting Explanation 01 dos ono Dosing type on off 02 P 0 20 P band 03 d 000 D time 04 dF 100 Max dosing frequency strokes min 05 Ldt 000 min Long...

Page 34: ...off 07 ont 000 sec Min time ON for relay no function on off 08 Cur 4 Current output 4 20mA 09 C L 0 00 Value for 4mA 10 C H 5 00 Value for 20mA Channel Specific Set up pH Acid Alkali Row Text Setting Explanation 01 dos ono Dosing type on off 02 P 0 20 P band 03 d 000 D time 04 dF 100 Max dosing frequency strokes min 05 Ldt 000 min Long dosing time alarm no alarm function 06 oFt 000 sec Min time OF...

Page 35: ... AUTO 2 PHF failure 1 Set the controller to AUTO 2 Check the reason and RESET the dosing starts when pH is correct No dosing despite AUTO requirement Dosing LED is lit Dosing equipment incorrectly connected Check the connections No click sound when dosing Dosing LED is lit Faulty dosing relay Return the unit for repair Incorrect chlorine measurements Prominent measuring cell 1 Air bubbles on the m...

Page 36: ...ine electrode connection 4 20mA current imput Standby Digital input Display 3 x 3 digits 7 segment LED Current output 3 x 4 20 0 20 mA Dosing output Relay 3 x 1A resistive Alarm Relay output normally open closed 1A resistive Max load current output 400 ohm Protection form IP54 Ambient temperature 5 40 ºC Fuses 4 x T1A 5x20mm Dimensions H W D mm 188 216 113 Weight 1 5 kg Measuring range 200 mV pH 2...

Page 37: ...ns 12 Disclaimer We reserve for ourself the right to make changes enhancements revisions and alterations to the AUTODOS 5000 or its manual without notice We do not take any responsibility for the consequencies of faults in the AUTODOS 5000 or in its manual We are however interested in keeping the manual as free from errors as possible so please inform us if there are any faults and we will try to ...

Page 38: ...ation is not supported in program version 1 0 but is planned for later versions Data logger 32kB EEPROM Real time clock 24kB 3 days with minute interval average values for 4 channels 8kB events 255 an event can be an alarm or calibration for instance Communications module RS232 PC communication cables are supplied Two wire communication with AUTODOS 5000 With recommended cable FKAR PG 0 5mm up to ...

Page 39: ... alarm or calibration for instance Modbus RTU interface in Autodos5000 Baudrate 9600 baud Parity None Modbus RTU communicaton in Autodos 5000 The Autodos responds to only 1 message Slave address as set in the Autodos common set up Function 03H Read holding registers Starting Address Hi 00H Starting Address Lo 01H No of Points Hi 00H No of Points Lo 0BH CRC 55H CRC CDH If slave address is set to 1 ...

Page 40: ...High alarm Combined chlorine bit 4 High alarm Free chlorine bit 5 Low alarm pH bit 6 Low alarm Combined chlorine bit 7 Low alarm Free chlorine Alarm Reset 16 bit bit 0 Standby mode bit 1 Flow bit 2 High alarm pH bit 3 High alarm Combined chlorine bit 4 High alarm Free chlorine bit 5 Low alarm pH bit 6 Low alarm Combined chlorine bit 7 Low alarm Free chlorine ...

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