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Retransmit (A11-A44)

HOA Setting

4 mA Value

20 mA Value

Hand Output

HOA Setting

Set Point

Gain

Proportional Gain

HOA Setting

Interlock Channels

Activate with Channels

Minimum Relay Cycle

HOA Setting

Set Point

Proportional Band

Min Output

Prop Control (A11-A44)

PID Control (A11-A44)

Manual Control (A11-A44)

Flow Prop (A11-A44)

HOA Setting

Target

Pump Capacity

Pump Setting

Additional settings for Retransmit Mode:
Error Output

Reset Time Total

Input

Name

Mode

Additional Settings for Proportional Control Mode:
Max Output

Output Time Limit

Reset Output Timeout

Interlock Channels

Activate with Channels

Hand Output

Hand Time Limit

Reset Time Total

Off Mode Output

Error Output

Input

Direction

Name

Mode

Additional Settings for PID Control Mode:
Integral Time

Integral Gain

Derivative Time

Derivative Gain

Reset PID Integral

Min Output

Max Output

Max Rate

Output Time Limit

Reset Output Timeout

Interlock Channels

Activate with Channels

Hand Output

Hand Time Limit

Off Mode Output

Error Output

Reset Time Total

Input

Direction

Input Minimum

Input Maximum

Gain Form

Name

Mode

Additional Settings for Manual Control Mode:
Hand Time Limit

Reset Time Total

Name

Mode

ANALOG OUTPUTS (A11-A44) and VIRTUAL OUTPUTS (C1-C8)

Additional Settings for Flow Prop Control Mode:
Specific Gravity

Output Time Limit

Reset Output Timeout

Interlock Channels

Activate with Channels

Hand Output

Hand Time Limit

Off Mode Output

Error Output

Reset Time Total

Flow Input

Cycles Input

Low Cycles Limit

Name

Mode

Lag Output (A11-A44)

HOA Setting

Lead

Reset Time Total

Output Time Limit

Additional settings for Lag Output Mode:
Reset Output Timeout

Wear Leveling

Wear Cycle Time

Name

Mode

HOA Setting

Reset Time Total

Output Time Limit

Reset Output Timeout

Disturbance (A11-A44)

Additional Settings for Disturbance:

Min Output

Max Output

Interlock Channels

Activate with Channels

Hand Output

Hand Time Limit

Off Mode Output

Error Output

Primary Output

Disturbance Input

Trigger Input

Activated

Trigger Mode

Name

Mode

Not available for virtual outputs

Only if HVAC mode is disabled

Содержание W900 Series

Страница 1: ...Five Boynton Road Hopping Brook Park Holliston MA 01746 USA TEL 508 429 1110 WEB www walchem com W900 Series Water Treatment Controller Instruction Manual...

Страница 2: ...d of 24 months for electronics and 12 months for mechanical parts and electrodes from date of delivery from the factory or authorized distributor under normal use and service and otherwise when such e...

Страница 3: ...7 5 2 2 Electrodeless Conductivity 47 5 2 3 Temperature 48 5 2 4 pH 48 5 2 5 ORP 49 5 2 6 Disinfection 49 5 2 7 Generic Sensor 50 5 2 8 Corrosion Input 51 5 2 9 Corrosion Imbalance Input 52 5 2 10 Tra...

Страница 4: ...ontrol Mode 84 5 3 25 Relay Output Flow Meter Ratio Control Mode 85 5 3 26 Relay or Analog Output Disturbance Variable Control Mode 85 5 3 27 Analog Output Proportional Control Mode 86 5 3 28 Analog O...

Страница 5: ...2 8 1 4 ORP Sensors 102 8 1 5 Disinfection Sensors 102 8 1 6 Analog Inputs 102 8 1 7 Temperature Sensors 103 8 1 8 Corrosion Inputs 103 8 2 Alarm Messages 103 8 3 Procedure for Evaluation of Conductiv...

Страница 6: ...relay outputs may be set to a variety of control modes On Off set point control Time Proportional control Pulse Proportional control when purchased with Pulse solid state opto outputs Flow Proportiona...

Страница 7: ...ogramming of multiple controllers fast and easy The data logging feature allows you to save the sensor readings and relay activation events to a USB flash disk 2 0 SPECIFICATIONS 2 1 Measurement Perfo...

Страница 8: ...00 000 2 000 000 S cm 100 S cm 0 1 mS cm 1 mS m 0 1 S m 100 ppm 1 of reading Temperature C Range Multiplier Temperature C Range Multiplier 0 181 3 80 43 5 10 139 9 90 39 2 15 124 2 100 35 7 20 111 1 1...

Страница 9: ...20 Hz 25 msec minimum width Devices supported Any device with isolated open drain open collector transistor or reed switch Types Contacting Flowmeter Flow Verify High Speed Counter Type Digital Input...

Страница 10: ...ose directly connected to a low voltage 100 240 VAC power supply network which supplies buildings used for domestic purposes 2 3 Mechanical Enclosure Material Polycarbonate Enclosure Rating NEMA 4X IP...

Страница 11: ...fold High Pressure 0 300 psi 0 21 bar 32 158 F 0 70 C Carbon steel Brass 316SS FKM 3 4 NPTF pH ORP LD2 Cond Corrosion HP Cond Steel HP pH ORP Steel 0 50 100 150 200 250 300 350 30 40 50 60 70 80 90 10...

Страница 12: ...e Alarm Corrosion only 0 days 365 days Alloy Multiplier Corrosion only 0 2 5 0 Digital flow meter input settings Low Limit High Limit Totalizer alarm 0 2 000 000 000 Volume contact for units of Gallon...

Страница 13: ...nds Wait Time Intermittent Sampling mode 10 pulses minute 480 pulses minute Max Rate Pulse Proportional Pulse PID modes 0 100 Minimum Output Pulse Proportional Pulse PID modes 0 100 Maximum Output Pul...

Страница 14: ...ting Flow Prop mode 0 100 Specific Gravity Flow Prop mode 0 g ml 9 999 g ml Target Flow Prop mode 0 ppm 1 000 000 pm Low Cycles Limit Flow Proportional mode 0 cycles of concentration 100 cycles of con...

Страница 15: ...t them firmly to the tank and protect the cable with plastic pipe sealed at the top with a cable gland to prevent premature failure Place the sensors in an area of good solution movement Sensors shoul...

Страница 16: ...n and free of any scratches oils or contami nation to accurately measure the corrosion The sensor should be mounted horizontally such that the measuring surfaces will always stay completely wet The se...

Страница 17: ...ge Use continuous sampling when the boiler is operating 24 hours per day and the required blowdown rate is more than 25 of the smallest applicable flow control valve or orifice See the graphs on the n...

Страница 18: ...imum Flow Rates in Lbs hr 1 2 150 PSI 1 2 300 PSI 3 4 150 PSI 3 4 300 PSI lbs hr 3 4 Icon Definitions Symbol Publication Description IEC 417 No 5019 Protective Conductor Terminal IEC 417 No 5007 On Su...

Страница 19: ...panel is in the OFF posi tion The front panel must never be opened before power to the controller is REMOVED If your controller is prewired it is supplied with an 8 foot 14 AWG power cord with NEMA 5...

Страница 20: ...15 HEAT EXCHANGER COOLING TOWER METERING PUMPS 1 2 3 4 5 6 7 8 Figure 2 Typical Installation Cooling Tower...

Страница 21: ...16 ACID BASE SUBMERSION ELECTRODE pH PROBE AC POWER FLOW OUT FLOW IN 1 2 3 4 5 6 7 8 Figure 3 Typical Installation Submersion...

Страница 22: ...otorized Ball or Solenoid Valve Flow Control Valve or Orifice Union CONDUCTIVITY ELECTRODE TEE 2 ft minimum 1 to 3 ft maximum 10 ft max with minimal valves elbows unions To Drain Skimmer Blowdown Line...

Страница 23: ...LLY OPEN RECIRCULATION PUMP ROTAMETER 30 100 LPH PROCESS WATER SAMPLE RETURN 1 ATMOSPHERE MAXIMUM FLOW SWITCH SENSOR FLOW CELL FLOW CONTROL VALVE SAMPLE VALVE 1 2 3 4 5 6 7 8 Figure 5 Typical Installa...

Страница 24: ...I O Slot 1 I O Slot 2 I O Slot 3 I O Slot 4 Relay Fuses only for models with powered relay Relay Terminal Blocks Power Supply Neutral Terminal Block Earth Ground Terminal Block Power Switch AC Power T...

Страница 25: ...hat has a matching I O part number Either channel can support any of the sensor types listed P N 191910 SENSOR INPUT 2 TBxA SENSOR 1 TBxB SENSOR 2 1 2 ECOND CCOND pH ORPDIS RCV RCV 5V 5V XMT RCV R SHL...

Страница 26: ...IELD SHIELD XMT XMT TEMP TEMP TEMP TB Ch 1 3 5 7 9 10 11 12 13 18 2 4 6 8 IN IN I O Board Part Number Shields pH ORP ISE Sensor without Optional Temperature Compensation Notes Identify P N 191910 I O...

Страница 27: ...CCOND pH ORPDIS RCV RCV 5V 5V XMT RCV R SHLD TEMP TEMP TEMP X SHLD SHIELD SHIELD XMT XMT TEMP TEMP TEMP TB Ch 1 3 5 7 9 10 11 12 13 18 2 4 6 8 IN IN I O Board Part Number Shields Notes Identify P N 19...

Страница 28: ...24V 24V 24V 24V COM COM 24V 24V XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR TB Ch 4Wire 3Wire 2Wire Pwrd 2Wire Loop 1 3 5 7 9 10 11 12 13 18 2 4 6 8 Shields I O Board Part Number P N 1...

Страница 29: ...4V 24V 24V COM COM COM 24V 24V 24V XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR TB Ch 4Wire 3Wire 2Wire Pwrd 2Wire Loop 1 3 5 7 9 10 11 12 13 18 2 4 6 8 Ch...

Страница 30: ...V 24V 24V 24V 24V 24V 24V 24V COM COM COM 24V 24V 24V XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR XMTR TB Ch 4Wire 3Wire 2Wire Pwrd 2Wire Loop 1 3 5 7 9 10 11...

Страница 31: ...ted on the front panel that has a matching I O part number Either channel can support any of the sensor types listed Each analog output is internally powered 15 VDC fully isolated Channel 1 P N 191915...

Страница 32: ...powered 15 VDC fully isolated Channel 1 Channel 2 P N 191916 4 20 mA OUTPUT 4 TBxA OUTPUTS 1 2 TBxB OUTPUTS 3 4 TB Ch 4 20mA Output Out 1 3 OUT OUT OUT OUT 1 3 5 7 9 10 11 12 13 18 2 4 6 8 Out 2 4 I O...

Страница 33: ...1 OUTPUTS 1 2 TBxB INPUT 2 OUTPUTS 3 4 TB Ch 4Wire 4 20mA Output In 1 2 COM 24V Out 1 3 XMTR XMTR XMTR XMTR XMTR XMTR 24V 24V 24V OUT OUT OUT OUT 3Wire 2Wire Pwrd 2Wire Loop 1 3 5 7 9 10 11 12 13 18 2...

Страница 34: ...11 12 I O Board 1 4 Terminal Blocks 18 1 2 3 4 5 6 7 8 9 10 11 12 XMT RED RCV GRN MON RCV BLK SHIELD Notes Identify P N 191920 I O Board and connect wires to the terminal blocks directly below the I O...

Страница 35: ...ed Switch FLOW METER Polarity not Critical Hall Effect FLOW METER TBDI 1 2 3 4 5 6 7 8 9 10 11 12 D1 D1 D2 D2 12V D3 D3 D4 D4 12V D5 D5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 D6 D6 12V D7 D7 D8...

Страница 36: ...Pulse 950 Powered Powered Pulse Pulse Powered Powered Pulse Pulse 960 Powered Powered Powered Powered Powered Powered Pulse Pulse 970 Dry Dry Dry Dry Dry Dry Dry Dry N L BLK BRN WHT BLU TB9 TB11 GRN G...

Страница 37: ...be displayed on the Home screen the display will toggle between the first group of up to four and the next group A pause button icon when touched stops the automatic toggling Touching the down arrow i...

Страница 38: ...when making an alphanumeric entry The Make Character Lower icon is used when making an alphanumeric entry The Move Cursor icon is used to scroll left to right within an alphanumeric entry The Confirm...

Страница 39: ...lay is always off until taken out of Off mode and in Auto mode the relay is responding to control set points Touch the Return icon to go back to the relay settings Interlock and Activate with Channels...

Страница 40: ...ture element and set the alarm set points and alarm deadband Generic ORP and disinfection sensors do not have temperature signals and are preset to Unassigned To calibrate the temperature return to th...

Страница 41: ...nput Corrosion Rate Corrosion Imbalance List of possible Outputs On Off control mode On Off Disturbance control mode Flow Timer control mode Bleed Feed control mode Bleed Then Feed control mode Percen...

Страница 42: ...Name Element Additional Settings for pH Sensor Alarm Suppression Smoothing Factor Buffers pH only Default Temp Cable Length Gauge Electrode Name Type Additional Settings for Electrodeless Conductivity...

Страница 43: ...nal Settings for DI State Totalizer Alarm Reset Flow Total K Factor Flow Units Rate Units Smoothing Factor Name Type Additional Settings for Paddlewheel Flowmeter Additional Settings for Feed Monitor...

Страница 44: ...me Total Cond Input Trap Sample Name Mode Additional Settings for Bleed Feed Mode Interlock Channels Activate with Channels Minimum Relay Cycle Hand Time Limit Reset Time Total Bleed Name Mode Additio...

Страница 45: ...tion Accumulated Setpoint Output Time Limit Additional Settings for Flow Timer Mode Reset Output Timeout Interlock Channels Activate with Channels Minimum Relay Cycle Hand Time Limit Reset Time Total...

Страница 46: ...h Channels Hand Output Hand Time Limit Off Mode Output Error Output Reset Time Total Input Direction Input Minimum Input Maximum Gain Form Name Mode Additional Settings for Manual Control Mode Hand Ti...

Страница 47: ...Gateway DNS Server MAC Address Last VTouch Data Last VTouch Config Additional Email Report Settings SMTP Port From Address ASMTP Username ASMTP Password File Utilities File Transfer Status Data Log Ra...

Страница 48: ...pected for any longer than a day and it is possible for the electrode to dry out remove the electrode from the tee and store it in pH 4 buffer or cooling tower water Take care to avoid freezing temper...

Страница 49: ...calibration failure One Point Buffer Calibration Disinfection Generic Sensor Zero Cal Conductivity Air Cal Cal Disables Control Touch Confirm to continue or Cancel to abort Buffer Temperature only app...

Страница 50: ...he new calibration in memory The calibration adjusts the offset and the gain slope and displays the new values If failed you may retry the calibration or cancel Refer to Section 8 to troubleshoot a ca...

Страница 51: ...ransmitter will be sending Touch Confirm to continue or Cancel to abort Please set input signal to specified value Make sure that the transmitter is sending the desired mA signal Touch Confirm to cont...

Страница 52: ...s value and 90 of the current value Default Temp If the temperature signal is lost at any time then the controller will use the Default Temp setting for temperature compensation Cable Length The contr...

Страница 53: ...set Deadband This is the Alarm Deadband For example if the High Alarm is 100 and the dead band is 1 the alarm will activate at 100 and deactivate at 99 Reset Calibration Values Enter this menu to res...

Страница 54: ...ms limits may be set Deadband This is the Alarm Deadband For example if the High Alarm is 800 and the dead band is 10 the alarm will activate at 801 and deactivate at 790 Reset Calibration Values Ente...

Страница 55: ...the sensor on a regular schedule enter the number of days between calibrations Set it to 0 if no reminders are necessary Alarm Suppression If any of the relays or digital inputs are selected any alarm...

Страница 56: ...egular sched ule enter the number of days between calibrations Set it to 0 if no reminders are necessary Alarm Suppression If any of the relays or digital inputs are selected any alarms related to thi...

Страница 57: ...mbalance value to the current corrosion rate the calibration offset the date of last calibration and the type of input Settings Touch the Settings icon to view or change the settings related to the se...

Страница 58: ...he value that corresponds to a 4 mA output signal from the transmitter 20 mA Value Enter the value that corresponds to a 20 mA output signal from the transmitter Units Select the units of measure for...

Страница 59: ...enter the number of days between calibrations Set it to 0 if no reminders are necessary Alarm Suppression If any of the relays or digital inputs are selected any alarms related to this input will be s...

Страница 60: ...and go back Set Flow Total This menu is used to set the total volume stored in the controller to match the register on the flow meter Enter the desired value Scheduled Reset Choose to automatically r...

Страница 61: ...l Alarm Mode setting Interlock The output will be OFF while the alarm is active Maintain The alarm condition has no effect on output control Flow Verify Alarm The W900 monitors the status or current p...

Страница 62: ...utput linked to the input the date and time of the last total reset and the current type of input setting Settings Touch the Settings icon to view or change the settings related to the sensor Totalize...

Страница 63: ...set the total number of contact closures stored in the controller a certain value Scheduled Reset Choose to automatically reset the flow total and if so Daily Monthly or Annually Units Type in the un...

Страница 64: ...n will consist of an average of 10 of the previous value and 90 of the current value Name The name used to identify the input may be changed Type Select the type of input either Calculation Redundant...

Страница 65: ...mes from the unmanipulated signal from a real sensor non temperature compensated S cm mV for pH ORP Disinfection Generic mA for analog inputs ohms for temperature Virtual Input Details The details for...

Страница 66: ...The value of the multiplier at min disturbance can be either higher or lower than its value at max disturbance depending upon what effect is desired on the control setpoint Virtual Input Details The d...

Страница 67: ...Setting Select Hand Off or Auto mode by touching the desired mode Output Time Limit Enter the maximum amount of time that the relay can be continuously activated Once the time limit is reached the re...

Страница 68: ...ails The details for this type of output include the relay on off state HOA mode or Interlock status accumulated on time remaining feed time accumulated flow total alarms related to this output curren...

Страница 69: ...e event triggers the algorithm will change from the normal set point to the Spike Set Point for the programmed time Once the time expires control to the normal set point resumes Basic Biocide Operatio...

Страница 70: ...o repeat the event Daily 1 Week 2 Week 4 Week or None An event means that the output is turned on at the same time of day for the same amount of time and except for the Daily cycle on the same day of...

Страница 71: ...IF HVAC MODES ARE ENABLED IN CONFIG MENU GLOBAL SETTINGS In an Intermittent Sampling with Proportional Blowdown control mode the controller reads an analog input on a timed schedule and the relay resp...

Страница 72: ...ample is enabled Enter the length of time the blowdown valve will be closed in order to ensure that the captured sample is at boiler pressure Maximum Blowdown only shown if trap sample is enabled Ente...

Страница 73: ...erivative the rate of change for the error param eters With proper tuning the PID control algorithm can hold the process value close the set point while minimiz ing overshoot and undershoot Normalized...

Страница 74: ...and Output percentage close to the value that the process is expected to require for optimal control in Auto mode Wind up Suppression The Current Integral value that is accumulating while the output i...

Страница 75: ...cumulated area under the error curve Current Integral When this menu option is selected this total is set to zero and the PID algorithm is reset to its initial state Minimum Output Enter the lowest po...

Страница 76: ...ill be set Interlock Conditions Interlocks override the relay control but do not change the operation of the timer control A digital input or output interlock condition does not delay the relay activa...

Страница 77: ...nt will be ignored An Event Skipped alarm will be set Interlock Conditions Interlocks override the relay control but do not change the operation of the timer control A digital input or output interloc...

Страница 78: ...ally shocking the system with a larger dose During normal operation the relay will be reacting to the sensor to maintain a set point within a programmable Deadband as described in On Off Control Mode...

Страница 79: ...iod Using a duty cycle helps to prevent overshooting the set point in applications where the response of the sensor to chemical additions is slow Specify the amount of time for the cycle and the perce...

Страница 80: ...alance the usage of each pump or to energize the primary output most often and periodically exercise auxiliary pumps to insure proper operation when they are needed Output Activation Modes Depending o...

Страница 81: ...lizes the runtime of all connected pumps This mode takes into account how long each output in the Lead Lag group has been running since a manual reset and selects the output that has the lowest on tim...

Страница 82: ...ow 4 0 ppb R1 is activated After 15 minutes if the D O has not risen to 4 1 ppb or higher R2 will also be activated When the process value reaches 4 1 ppb both outputs are turned off Setpoint Based Ea...

Страница 83: ...2 and R1 are turned off In this configuration the R3 pump serves not only as a backup in case one of the pumps is down for maintenance but also provides additional capacity should it be needed Advance...

Страница 84: ...ar Leveling Select the wear leveling scheme to use Refer to the detailed description above Wear Cycle Time This setting only appears if Time Balanced or Time Unbalanced Wear Leveling has been selected...

Страница 85: ...is in Off mode or being Interlocked or during a calibration of the sensor being used as an input The acceptable range is 0 to 21 mA Error Output This menu only appears for analog output Lead outputs E...

Страница 86: ...er than the Output Time Limit then relay will deactivate Output Details The details for this type of output include the relay on off state HOA mode or Interlock status total accumulated on time alarms...

Страница 87: ...ed monitor pulses per unit volume are added to the remaining number If the relay state is continuously on for longer than the Output Time Limit then relay will deactivate Output Details The details fo...

Страница 88: ...tput Enter the output desired when the output is in Hand mode Flow Input Select the flow meter to be used as an input for this control relay Cycles Input Select the virtual input that is programmed as...

Страница 89: ...has not been satisfied Enter the length of the duty cycle in minutes seconds in this menu Set the time to 00 00 if use of a duty cycle is not required Duty Cycle Enter the percentage of the cycle peri...

Страница 90: ...icable or leave at None Bleed Meter Select the bleed water meter from the pulldown list Bleed Meter 2 Select the bleed water meter from the pulldown list if applicable or leave at None 5 3 26 Relay or...

Страница 91: ...Error Output Only for analog outputs Enter the output mA desired when the sensor is not giving the controller a valid signal The acceptable range is 0 to 21 mA Primary Output Select the control outpu...

Страница 92: ...e rate will occur required to maintain the target PPM with that flow rate of water output Target PPM x Water Flow Rate liter min or gal min Cycles x Pump Capacity liter or gal hr x Pump Setting x Spec...

Страница 93: ...f full scale As a result tuning parameters entered by the user are not dependent upon the scale of the process variable and the PID response with similar settings will be more consistent even when usi...

Страница 94: ...utput is already set to the minimum or maximum limits 0 100 by default This condition is referred to as Control Wind Up and can result severe overshoot or undershoot after a prolonged upset has ended...

Страница 95: ...the Sensor Mode option is set to Disable the output during the Wash cycle if the Sen sor Mode option is set to Hold the output holds its last setting and the Integral is not updated during the Wash Th...

Страница 96: ...generic timer control mode will replace the Biocide timer Language Select the language the software will use 5 4 2 Security Settings Controller Log Out When Security is Enabled and after the password...

Страница 97: ...e DNS server address that the controller is currently using MAC Address Displays the MAC address of the Ethernet card Last VTouch Config Displays the date and time of the last attempt to send configur...

Страница 98: ...cted as WiFi and the DHCP Setting is set to Dis abled Manually enter the address for the DNS server that the controller will use Ad Hoc SSID Ad Hoc Mode Enter the SSID that the controller may broadcas...

Страница 99: ...ory of the stick Insert the stick into the USB port of the controller Go to the Configuration Menu then File Utilities then Import User Config File Press the Confirm icon to start the activation proce...

Страница 100: ...Select the amount of time between data points The amount of time allowed varies with the repetition of the report Alarm Mode Only appears if Report Type is Alarm Choose to send emails on All Alarms o...

Страница 101: ...a USB stick This records set point changes user calibrations alarms relay state changes file exports etc Export System Log Save the System Log file to a USB stick This records hardware changes softwa...

Страница 102: ...the temperature of the network circuit processor The acceptable range is 10 to 85 C 12 Volt Supply The normal range is 11 28 to 12 72 VDC The 12 V supply is the main DC power from which all lower volt...

Страница 103: ...corner The resolution of the screen only allows for 84 data points per graph so not all data points in each time range can be shown For finer resolution download the data log CSV file from the Config...

Страница 104: ...y appear The default user name is admin and the default password is 5555 The default View Only user name is user and default password is 1111 These can and should be changed in the Config menu under S...

Страница 105: ...after cleaning the electrode Frequency The electrode should be cleaned periodically The frequency required will vary by installation In a new installa tion it is recommended that the electrode be cle...

Страница 106: ...unctioning system Refer to the instruction manual for the specific sensor being used for further information 8 1 1 Contacting Conductivity Sensors The calibration will fail if the adjustment to the ga...

Страница 107: ...e Corrective Action Insufficient conditioning Wait for the appropriate amount of time before attempting a calibration Insufficient sample flow Increase flow rate to between 30 and 100 liter per hour A...

Страница 108: ...ish the chemical supply The pump or valve or supply line is faulty Repair or replace the control device Wrong chemical is being controlled Replace with correct chemical The sensor is not responding to...

Страница 109: ...ssible Cause Corrective Action Metering pump has lost prime Re prime metering pump Faulty metering pump Repair or replace metering pump Incorrect feed monitoring device wiring Correct wiring Make sure...

Страница 110: ...Possible Cause Correction Action Faulty controller Replace or repair controller If using virtual inputs sensor fault of one of the inputs See Sensor Fault troubleshooting above BATTERY POWER LOW This...

Страница 111: ...verification device wiring Correct wiring Wrong digital input assigned to the output Correct programming error Faulty verification device Repair or replace device Faulty wiring of output to pump Corre...

Страница 112: ...persists return the controller for repair FRAM FILE SYSTEM ERROR This alarm occurs if the FRAM is not detected at power up Possible Cause Correction Action The FRAM was or is not functioning If the er...

Страница 113: ...y The last possibility is to try replacing the preamplifier 8 5 Diagnostic Lights Some of the circuit boards inside the controller have diagnostic lights CONTROLLER BOARD D12 LED Indicates status of t...

Страница 114: ...ARD LEDs Indicates the status of the sensor board Blinks slowly for several seconds during power up Normal operation is OFF If not behaving this way Possible Cause Corrective Action Sensor card locked...

Страница 115: ...147 DIN Power Cord for W9x0D or 104148 Brazil Power Cord for W9x0B Relay Backplane Boards 192614 W900 8 powered 191922 W910 7 powered 1 dry 192610 W920 2 opto 6 dry 192615 W930 4 powered 4 dry 192609...

Страница 116: ...ge 102881 Flow Switch Body 102884 Tee 103967 Little Dipper 2 191646 03 Sensor Graphite or 191647 03 Stainless Steel 102879 01 Elbow 193001 03 Manifold FS CCond PH ORP LD2 3 ft Cable 190997 03 Flow Swi...

Страница 117: ...ple 103425 Nipple 102594 O Ring 102594 O Ring 102594 O Ring 102423 Elbow 102423 Elbow 103515 Valve 102884 Tee Sold Separately 191653 03 Preamp with ATC or 191652 03 Preamp ATC Sold Separately WEL PHF...

Страница 118: ...Tee 103515 Valve 102926 Nipple 190996 Float 103425 Nipple 191020 03 Switch Float Assembly 3ft Cable 190997 03 Flow Switch Assembly 3ft Cable 191001 03 Manifold CCond PH ORP 3ft Cable 191646 03 Sensor...

Страница 119: ...dy 102423 Elbow 102423 Elbow 103425 Nipple 103425 Nipple Sold Separately 191653 03 Preamp with ATC or 191652 03 Preamp no ATC Sold Separately WEL PHF NN Flat pH Cartridge or WEL MVF NN Flat ORP Cartri...

Страница 120: ...ch Float Assembly 3 ft Cable 190997 03 Flow Switch Assembly 3 ft Cable 193094 03 Manifold FS CCond LD2 3 ft Cable 191646 03 Sensor Graphite or 191647 03 Stainless Steel 103425 Nipple 103425 Nipple 103...

Страница 121: ...dy 102594 O Ring 102594 O Ring 103515 Valve 102586 Nut 102586 Nut 102884 Tee 102879 01 Elbow 103963 Little Dipper 2 190996 Float 191020 03 Switch Float Assembly 3 ft Cable 190997 03 Flow Switch Assemb...

Страница 122: ...Float Assembly 3 ft Cable 190997 03 Flow Switch Assembly 3 ft Cable 190994 03 Manifold Fs CCond 3 ft Cable 191646 03 Sensor Graphite or 191647 03 Stainless Steel 103893 Screws 103886 Screws 102961 Ha...

Страница 123: ...102594 O Ring 102881 Flow Switch Body 102919 O Ring 190998 03 Switch Assembly 102926 Nipple 103515 Valve 190996 Float 191020 03 Switch Float Assembly 3 ft Cable 190997 03 Flow Switch Assembly 3 ft Ca...

Страница 124: ...102594 O Ring 102879 01 Elbow 103515 Valve 104112 Pyxis Sensor Tee Assembly 190997 03 Flow Switch Assembly 3 ft Cable 191020 03 Switch Float Assembly 3 ft Cable 191646 03 Sensor Graphite or 191647 03...

Страница 125: ...anger 102586 Nut 190998 03 Switch Assembly 190996 Float 102919 O Ring 102594 O Ring 102881 Flow Switch Body 103425 Nipple 103425 Nipple 102586 Nut 102594 O Ring 102879 01 Elbow 103515 Valve 104112 Pyx...

Страница 126: ...rts and service If a controller is not function ing properly circuit boards may be available for exchange after the problem has been isolated Authorized distribu tors will provide a Return Material Au...

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