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HYDROGUARD HG-702 Water Quality Analyzer User Manual

1. Function Name Min Value Max Value Default Units Cl P factor 0 1 50 0 1 CI pump period 0 5 4 0 30 min CI pump freq 0 0 0n off 120 0 max pulses min pump Cl averaging OFF ON ON CI lt 0 1 alarm OFF ON ON pH p factor 0 1 100 1 0 pH pump period 0 5 4 0 30 min pH pump freq 0 0 0n off 120 0 max pulses min pump pH balance type Acid Base Acid Flow Sensor OFF ON OFF Flow rate M hour GPM M hour Celsius Fahrenheit oC oF iG Turbidity OFF ON OFF NTU wiper interval 1 60 2 min Minutes 1 59 n a min Hour 0 23 n a hour Day 1 31 n a day Month 1 12 n a month Year 1 99 n a year Recording interval 1 240 0 03 min Tot chlor OFF ON OFF Chlor ratio 1 30 1 View free chlor OFF ON ON View pH OFF ON ON View ORP OFF ON ON View conductivity OFF ON ON Address 1 32 1 Ver n a n a n a Max flow range 9 200 999 200 M hour or GPM 4 20mA Output Settings Built in ch 1 2 1 4 10 NTU ch 1 4 1 Parameter F CL read or control CI only Read Set value for 4mA 4 20 4 mA Set value for 20mA 4 20 20 mA Set Test channel 2 20 hold 2 mA On alarm go to 2 20 2 mA Reagent pump time 0 8 2 5 1 1 Sec Modbus com format 0 31 0 Operator password 1 999 123 Technical password 1 999 456 See Optional features 4 3 5 Configuring Settings in the Technician Menu Navigation within the Technician Menu is identi
2. Screw the plastic cap over the top of each probe to protect the connector Store in a safe location that will not drop below freezing preferably in the original probe box for additional protection 6 4 Turbidity Measurements 6 4 1 Installation If the HYDROGUARD system was ordered with Turbidity pre installed some of these steps may have been completed in the factory Supplied Components e Turbidity Input Module electronics card e 250mm flat cable e Turbidity Sensor wiper optional 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 43 O Blue I Water Technologies e Turbidity Flow Cell bubble remover optional e Flow Cell Mounting Bracket Caution Prior to opening the analyzer or installing any electrical components turn off all power supplies to the analyzer There are five b wires contained in a single cord from the sensor that must be connected to the analyzer The standard wire length is 22 ft 7m and may be cut or extended up to 650 ft 200m as needed The turbidity flow cell and sensor must be securely mounted using appropriate hardware for the mounting location Unfiltered water will need to be supplied to the turbidity flow cell at a flow between 0 25 to 1 GPM and less than 30 psi 2 bar Hardware and Plumbing Installation 1 Mount the Turbidity Flow Cell using the supplied bracket or other mounting hardware as appropriat
3. 2 Remove the solenoid and check the tip for corrosion this may occur if shut down improperly and check the stop for deterioration or signs of wear The corrosion can usually be cleaned away and the solenoid will continue to work properly After start up confirm that the water is completely stopped when the solenoid shuts If it is not shutting properly it must be cleaned or replaced 3 Inspect the pump tubes for cracks or signs of significant wear and replace if necessary 4 Install new reagents and prime the tubes 5 Inspect the needles in the colorimeter cap to ensure that droplets are forming and falling properly Replace if necessary 6 Replace all additional sensors and meters close the sampling valve and turn on flow immediately to re wet any probes N Recalibrate the analyzer Note ORP and pH probes will likely require 24 48 hours to re stabilize and will require re calibration at that time 5 5 1 Replacing Reagent Pump Head and Tubes If the reagent pump head and or tubes are cracked appear significantly worn or are no longer functioning properly they should be replaced to ensure consistent operation and control 1 Turn off the power to the HYDROGUARD analyzer 2 Remove the tubes from the pump head and the needles in the colorimeter cap by holding the top of each needle and pulling the tube gently 3 Remove the tubes from the reagent bottles and wipe off any excess reagent the DPD will stain so be c
4. eo controls pulse length or pulse frequency PL PF Secondary Chlorine system On Off only no proportional 2 CL2 control 3 pH Acid or Base dosing On Off or Proportional Proportional controls pulse length or pulse frequency PL PF Nephelometric Turbidity Units Controls the injection of 4 NTU flocculants or coagulants Used only with the optional Turbidity module Activates an external alarm when certain alarm types are 5 Alarm registered and after the alarm delay time has expired 6 Conductivity Used only with the optional Conductivity module Proportional Control Overview HYDROGUARD controls dosing proportionally This method sets dosing rates in relation to how far current chemical levels are from the set point The dosing rates gradually decrease as chemical levels get closer to the set point Set Point Chemical Level Figure 15 Proportional Control of Chemical Dosing If water chemical levels are far below the set point HYDROGUARD will operate the dosing systems to operate at full speed 100 As the controller senses chemical levels rising and getting closer to the set point it will control the dosing systems to slow down to a lower speed i e 6096 As chemical levels get even closer to the set point the dosing system will slow down even more i e 3096 and so on until the chemical level gets to the set point Proportional Factor Proportional control of chemical dosin
5. Figure 2 HydroGuard 702 Mounting Panel 3 4 Plumbing Requirements and Installation 3 4 1 Water Supply and Drainage 3 4 2 Water Supply Chlorine XP requires a pressurized water supply to the flow cell An isolating valve must be installed between the main line and the pipe or tube to the Chlorine XP The minimum inlet pressure should be 4 4 psi 0 3 bar and should not exceed 14 5 psi 1 bar using a pressure regulator attached to the outlet of the pre filter The distance from the main pipe to the Chlorine XP should be as short as possible in order to minimize the delay time between the water being sampled and Chlorine XP measurement 3 4 3 Drainage A pressurized vacuum or gravity connection is required from the outlet of the flow cell to return water from the flow cell to the water supply A 74 FNPT fitting is supplied for the flow cell drain connection A gravity drainage connection is required for the water coming out from the colorimeter The length of the colorimeter drain line should be as short as possible and must have a constant downward slope to prevent a backflow of water A drain cap is located on the colorimeter outlet to prevent the backup of water into the colorimeter if the drain line is blocked A 72 MNPT fitting is supplied for the colorimeter drain connection 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 12 O Blue I Water Technologies
6. 2 Shut off the flow of water to the turbidity flow cell 3 Open the drain at the bottom of the flow cell to drain all water 4 If temperatures will drop below freezing remove the turbidity sensor and store it in a safe location where temperatures will not drop below freezing 6 5 Conductivity Measurements 6 5 1 Installation If the HYDROGUARD system was ordered with Conductivity pre installed some of these steps will have been completed in the factory Supplied Components e Conductivity 4 20 input Module electronics card e 150mm Flat Cable ribbon cable e Conductivity meter e Conductivity flow cell Caution Prior to opening the analyzer or installing any electrical components turn off all power supplies to the analyzer 1 Attach the module to the inside of the control panel door below the control panel module using the 4 supplied screws 2 Attach the ribbon cable from the conductivity module to any open connector on the I O module 3 Mount the conductivity flow cell and meter on a solid wall or surface using appropriate hardware not supplied Make sure that the distance is less than 15m 45 feet from the HYDROGUARD analyzer 4 Connect a water supply of no greater than 2 bar 30 psi to the inlet fitting using 6mm tubing It may be a new separate water supply or a line tapped from the main analyzer water supply before the pre filter Larger tubing may be used if the fitting is replaced to accept the new tubing 5
7. Clean sensor window Change if necessary Make connection on I O board with flow sensor No chlorine dosing as High ORP A10 ORP above upper limit safety against over chlorination High chlorine A12 CI above upper limit Low ORP A15 ORP below lower limit High NTU A16 Turbidity above upper limit External Off External flow switch is off No on connections 5 6 or A17 chemical dosing all relays with jumper wire to alarm ed rus are open complete circuit Not recommended to operate with jumper only Compare to manual reading Check reagent flow from bottle to colorimeter Check clean solenoid valve including Total Cl high A18 Total Cl above upper limit spring Check water flow Verify piston movement mixing Check that dosing systems are operating properly Combine Cl Combined Cl above upper A19 KES high limit Replace No reagent in the right Replace Total Chlorine DPD3 A20 DEDS low bottle out of the three reagent Temp low Temperature below lower A21 dd alarm limit 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 32 Description Solution Suggestion Temp high A22 Temperature above upper alarm limit CI dosing on for longer than e Confirm proper operation E oe A23 max time and has shut off for S EE unti
8. Flow Cell Outlet Colorimeter Outlet Sample Valve Water Inlet Rotating Flow Switch Figure 3 Flow Cell and Colorimeter Inlet and Outlet Note The HYDROGUARD colorimeter drains water at zero 0 pressure The drainage pipe should be as straight as possible and have a constant downward slope and should not have any bends where water flow can be restricted If the colorimeter drains to a bucket or basin the end of the drainage pipe should terminate above the bucket or basin rim 3 5 Electrical Requirements and Installation HYDROGUARD requires a 115 120 or 200 230 VAC 50 60 Hz electrical power source ona separate 16A circuit in the plant room s electrical board The main HYDROGUARD power supply should be connected to a non dependent power supply so that the unit remains powered constantly The active relays should be connected to a dependent power supply interlocked power supply 3 5 1 Connecting the Main Electrical Power Note HG 702 default configuration is 115 120VAC unless 200 230VAC configuration was ordered The Main Power Supply may be connected to either 115 120 or 200 230VAC 50 60Hz Switching between voltages is accomplished by changing two 2 jumpers Figure 4 located above the main power connection to the left of the transformer Figure 5 amp 6 e For115 120VAC a 1amp fuse should be used Figure 4 Jumper e For 200 230VAC a 0 5amp fuse should be used Note These changes must be completed pri
9. void the warranty Blue Water Technologies Ltd takes no responsibility written or implied for installation or maintenance of HYDROGUARD that is not performed by a properly trained and certified HYDROGUARD technician 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 34 O Blue I Water Technologies 5 7 1 Replacing Flow Switch 1 6 0 Turn off the inlet and outlet water to the flow cell and the power to the analyzer Open the doors of both the analyzing module and the control module Locate the flow switch attached to the flow cell Disconnect the flow switch wires from the I O module Remove the inlet connection to the old flow switch Remove the flow switch from the flow cell Pull the flow switch wires gently to completely remove them from the analyzer Insert the new flow switch on the flow cell Insert the inlet connection on the flow switch 10 Route the flow switch wires back to the connection on the I O module and connect the wires to the input switch terminal block 11 Close the analyzer doors and turn on the water and power and ensure proper operation 5 7 2 Replacing Reagent Siphons i 2 a A Gu O Turn the power off to the analyzer Disconnect the two 2 red wires from the reagent level connector on the colorimetric module Remove the four 4 mounting screws Install the ne
10. 0 1 1 29 1 1 1 0 0 30 1 1 1 1 0 31 1 1 1 1 1 Modbus communications mapping is detailed in Table 13 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 52 O Blue I Water Technologies Table 13 Modbus Communications Options Parameter s Name Type Address Notes Chlor main pump Coil 0 Chlor Addition pump Coil 1 Acid Base Pump Coil 2 Turbidity cleaner Coil 3 Temperature control Coil 4 Alarm Lamp Coil 5 Parameter s Name Type Address Notes Low Reagent Discrete Input 10015 Alkali Acid Discrete Input 10016 Flow sensor connection Discrete Input 10017 oc Discrete Input 10018 Chlorine averaging enable Discrete Input 10019 Chlorine lt 0 1 alarm enable Discrete Input 10020 Celsius Fahrenheit Discrete Input 10021 Total Chlorine On Off Discrete Input 10022 M3 H GPM Discrete Input 10023 Free chlorine On Off Discrete Input 10024 ORP On Off Discrete Input 10025 pH On Off Discrete Input 10026 Sl oo oy Discrete Input 10027 No Flow Discrete Input 10032 Low Flow Discrete Input 10033 No Reagents Discrete Input 10034 Table 13 continued on following page 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 53 O Blue I Water Technologies Table 13 Modbus Commu
11. Connect a 6mm water outline line to the outlet fitting and connect to a The water system at least 5 psi 0 3 bar lower than the inlet water supply or b The pre filter of the HYDROGUARD analyzer 6 Route the conductivity meter wire through an open gland on the bottom of the analyzer 7 Connect the wires to an open 4 20mA input on the bottom of the 4 20 module 8 Connect 24V from the meter to 24V on the module 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 48 9 Connect mS from the meter to IN on the module 10 Connect GND from the meter to ground symbol on the module 6 5 2 First Time Set up and General Operation For Output of the conductivity measurement see internal or external 4 20mA module sections to configure the output in your specific HYDROGUARD analyzer 6 5 3 Routine Maintenance 6 5 3 1 Conductivity Calibration Must be conducted when the process is stable specifically the temperature should be within normal operating range 1 2 3 Test a sample of water with an accurate external conductivity meter Use the calibration adjustment screw to increase or decrease the conductivity making very small changes Wait for the adjustment to take effect before making additional changes 6 5 3 2 Cleaning the Conductivity Meter Routine cleaning of the conductivity meter will ensure long term reliability The frequency of cleaning wi
12. Module 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 9 Colorimeter water outlet Regent Injection ERA View window ATga t i Wil 77 Analyzing E Unit 4 Tr E p LAM Team Solenoid valve Reagent Pumps qm Colorimeter Drain Control Unit Reagent Siphon Caps Reagent Bottles SET Water Intake Filter Temperature Module VO Module Figure 1 HydroGuard 702 Main Components 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 10 O Blue I Water Technologies 3 Installation 3 1 Working Environment Pollution Degree 2 Installation Category 2 Altitude 2 000 m Humidity 1 to 9096 non condensing Electrical Supply 100 115Vac 1 0A or 200 230Vac 0 5A 50 60Hz Temperature 5 C to 45 C 3 2 Selecting a Location Take extra time in selecting a location since the installation location will determine the ease of the installation and future operation and maintenance The location where HYDROGUARD is installed is dependent on various considerations Convenient Access HYDROGUARD should be installed where it can easily be viewed and operated Dry Area HYDROGUARD handles electricity and includes electronic circuitry that is susceptible to short circuiting and or corrosion when exposed to water or high ambient moisture levels Away from Chemicals Many wate
13. Table 10 Additional Menus in the Operator Men 39 Table 11 Additional Menus in the Technician Men 39 Table 12 Modbus Configuration Options ssssssssssssesseeeeeeeeeen nennen 52 Table 13 Modbus Communications Options ssssssssesssesssessiesiesntettntttnnttnnttnntnn nennen nenn nenn 53 Table 14 Relays and their controlled dosing systems seeeeene 59 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com vi O Blue I Water Technologies 1 Preface 1 1 Intended Use This manual is for qualified and trained service technicians who will install and service the HYDROGUARD HG 702 Water Quality Analyzer It provides instructions on how to install the HYDROGUARD system how to integrate it with external chemical dosing systems and how to calibrate operate and maintain the system 1 2 Safety Precautions Warning Only properly trained and licensed electricians should attempt to wire or service the electronic components of the analyzer There is an Electrical Shock Hazard when servicing this system Always verify that all electrical power source s are off before opening the analyzer unit or attempting to service electronic components or wiring Caution Extreme caution should be used when installing operating and maintaining the HYDROGUARD HG 702 Water Quality Analyzer and Controller Only properly trained technici
14. Time Menu Setup This section describes how to configure the settings set points alarms and calibrations through the HYDROGUARD control panel Caution HYDROGUARD s control board unit should not be opened except for initial installation and troubleshooting and should only be opened by a trained and approved technician 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 18 4 3 1 HYDROGUARD Control Panel The HYDROGUARD control panel is a simple intuitive interface for monitoring and controlling water quality with the following components 150 F Cl 7 62 pH Measurement Display 1 235 NTU 498 uS Menus and Alarm Display Buttons for Menu Navigation Table 1 Control panel structure Figure 9 HydroGuard Control Panel LCD Displa At the top of the control panel is an LCD display which shows all pay measured variables at top and all Alarms and Menus at bottom Menu Button Enters and scrolls through the menus Moves one level back in the menu without making changes Enters setting change mode and accepts setting change Up Down Arrows Changes value up or down When an alarm is issued the bottom row of the LCD displays the alarm Pressing the up and down arrows together will display the Langelier index for approximately five 5 seconds and then returns to the previous display mode 4 3 2 Operator Menu HYDROGUARD has two menu levels Operator and Te
15. external module Configuration For Free Cl Only the 4 20mA output may be set to Read or Control e Read Mode will operate like the standard 4 20mA output and send an output related to the measured value See nternal 4 to 20mA Output e Control Mode will send an output to control the feed system based on o Measured value o F CI set point 1 o Cl P factor The Control Mode has 2 options normal and inverted Invert in the menu e Normal o 4mA No Cl Dosing o 20mA Max Cl Dosing e Inverted o 20mA No Cl Dosing o 4mA Max Cl Dosing The menu for 4 20mA output settings is found on the technician menu 1 Set the 4 20mA outputs a Enter the technician menu and scroll until 4 20mA output settings appears in the LCD b Press OK i Enter the technician password and press OK c Select Channel i Select Built in ch 1 2 and press OK ii Select 4 10 NTU ch 1 4 and press OK d Select Parameter F CL pH ORP Temp Flow NTU T CL C CL Cond and press OK 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 55 O Blue I Water Technologies 2 Note Optional features appear in the selection as well Choose only a viable option e g choose NTU only if NTU card was ordered e Select read or control function for F CL only i If control was selected set control to Normal or invert and
16. from the analyzer to prevent components from breaking The probes must be removed and stored in a warm area and kept wet at all times Start up and Preventive Maintenance A preventative inspection and cleaning of components should be completed whenever the analyzer is restarted after a long 2 weeks downtime or at least annually if the analyzer is operating constantly Likewise the analyzer has several mechanical components that will wear out over time To prevent future problems these components should be checked and or replaced periodically Troubleshooting Occasionally problems will occur with the analyzer readings or chemical dosing These problems are most often simple to correct The troubleshooting section provides an outline to follow to help correct the problems easily 5 1 Monitoring HYDROGUARD Alarms HYDROGUARD issues alarms when it detects chemical levels that are above or below the allowed range Every alarm is automatically displayed in the LCD status display and logged in the data logger Most deviations in chemical levels however are automatically corrected Thus the internal alarms do not immediately activate an external alarm A delay mechanism prevents false alarms from minor deviations that were automatically corrected The external alarm is only activated after an internal alarm has been continuously active for a certain period of time as defined by the operator The Alarm Delay command in the Operator menu sets t
17. from the new colorimeter through the gasket into the control module 11 Connect the wires to the MIXER and SENSOR terminal blocks as indicated on the colorimeter module 12 Recheck all connections 13 Close the HYDROGUARD analyzing module door 14 Turn on the power and restore flow to the flow cell 15 Confirm that the colorimeter is operating properly 5 7 6 Replacing Colorimeter Solenoid Valve 1 Turn the water inlet and outlet to the flow cell and turn off the analyzer power 2 Release the top union connecting the solenoid valve to the Colorimeter module 3 Detach the cable from the solenoid valve 4 Unscrew the solenoid valve intake tube 5 Unscrew and disconnect the sampled water supply pipe from the solenoid valve intake pipe at the bottom of the solenoid valve 6 Disconnect the valve from the unions above and below 7 Connect the new solenoid valve 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 36 a Connect the bottom of the new valve to the intake pipe b Insert an o ring into the slot at the bottom of the intake pipe and turn until the intake tube is firmly connected to the new valve c Connect the top union to the valve and to the bottom of the Colorimeter unit and tighten 8 Connect the solenoid valve cable to the Colorimeter module 5 7 7 Replacing Control Panel Module electronics card Disconnect the power supply to
18. must be started manually by scrolling to the ORP Emergency Mode Menu entering the password and switching the mode to ON If no colorimeter problem is present the analyzer will not allow this mode to be entered When in ORP Emergency mode the ORP set point will be used to control Relay 1 primary CI relay When the problem is corrected the analyzer will automatically resume operation in normal mode If not corrected after 3 5 days the analyzer will close Relay 1 Language Choice of language SYSTEM RESET Restarts the controller a safer option than turning it off and on Optional features Table 3 Operator s Menu amp variables limits this table needs update Function Name Min Value Max Value Default Units Shock Chlorination OFF ON OFF Menu Relays OFF ON OFF Reagent pump OFF ON OFF Cl set pointi 0 9 99 1 5 ppm CI shock set point 0 9 99 1 5 ppm Cl shock duration 0 00 24 00 2 00 hours CI set point2 0 9 99 1 5 ppm F Cl calibrated to 0 1 9 99 ia ppm sensor value was CI low alarm 0 9 99 0 5 ppm CI high alarm 0 10 2 0 ppm Cl interval 2 00 10 00 2 00 min pH set point 4 0 14 0 7 40 pH 7 calibrated to 4 0 14 0 nis m sensor value was pH low alarm 4 0 14 0 6 90 Ss pH high alarm 7 0 13 9 7 80 2S pH 4 10 calibrated to 4 0 10 0 740 8 sensor value was ORP set point1 0 1200 600 mV ORP calibrated to 0 1200
19. nis mV sensor value was ORP low alarm 0 1200 600 mV ORP high alarm 0 1200 850 mV Temp Calibrated lg 1 34 49 9 121 9 n a 06 F sensor value was Temp low alarm 1 34 49 9 121 9 18 C C F Temp high alarm 1 34 49 9 121 9 50 C C F Turbidity set point 0 40 0 60 NTU NTUI calibrated to 0 4 nis NTU sensor value was NTUh calibrated to 0 4 nia NTU sensor value was Turbidity high alarm 0 99 9 99 9 NTU Conduc set point 1 5000 1000 us Conduc calibrated to 1 5000 740 iii sensor value was Conduc low alarm 0 5000 0 us Conduc high alarm 1 5000 4900 us Conduc active Time 0 180 1 min Alarm delay 0 10 0 30 min Flow low limit 0 200 or 999 0 off M7 hr or GPM 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 21 Blue I Water Technologies Function Name Min Value EK AE Default Units Flow k factor 0 001 655 0 01 Total Alkalinity 0 600 0 ppm Total Hardness 0 600 0 ppm TDS 0 5000 0 ppm T Cl calibrated to 0 01 9 99 1 50 ppm sensor value was Total Cl high alarm 0 9 99 3 5 ppm Comb Cl high alarm 0 9 99 2 5 ppm ORP Emergency mode OFF ON OFF Language English SYSTEM RESET n a n a n a Optional features Note In a FOT Free or Total model choosing T CL in the menu will result in the disappearance of the F_CL from the screen and vice versa 4 3 3 Configuration Se
20. on the display and press OK 2 Enter the operator or technician password and press OK 3 Enter the turbidity set point value and press OK With or without the NTU relay connected to external equipment 4 Press Menu until Turbidity High Alarm appears on the display and press OK 5 Enter the operator or technician password and press OK 6 Enter the turbidity high alarm value and press OK Technical Menu 1 Press Menu to enter the Operator Menu and then Press up and down together to enter the technical menu 2 Press Menu until Turbidity ON OFF appears in the display and press OK CA Enter the technician password and press OK a A Press Menu until Turbidity Wiper Interval appears in the display and then press OK O Press UP to turn the turbidity sensor ON and then press OK Enter the technician password and press OK 7 Enter the wiper interval 2 minutes is recommended and press OK The turbidity unit should now be active Confirm that the turbidity value appears on the LCD display If it is not active perform a system reset 6 4 4 Routine Maintenance 6 4 4 1 Turbidity Calibration 1 Take a sample of water from the flow cell 2 Test the sample using an accurate digital turbidly meter 3 Press Menu until NTUI Calibrated to or NTUh Calibrated to appears in the LCD display If calibrating below 1 0 NTU use NTUI low if calibrating above 1 0 NTU use NTUh high 4 Press OK 5 Enter t
21. press OK f Select Set value for 4mA and press OK g Select Set value for 20mA and press OK h Select Set Test channel to be used for troubleshooting purposes or initial tests 2mA 4mA 12mA 20mA and press OK i Press Escape to return to the set up menu and repeat the above steps for all active 4 20mA Set the 4 20mA alarm output output value in case of measurement or communication error This is the 4 20mA output value that will indicate whenever an alarm condition exists or communication between the analyzer and 4 20 module is interrupted a on alarm go to option follows the 4 20mA output settings on the technician menu b Select on alarm output 2mA 4mA 20mA or hold Note The 4 20 alarm output is the output value that will be sent in case of an insufficient flow problem to the HYDROGUARD In case of low or high level i e low chlorine no 4 20mA alarm will be activated Confirming Operation and Communication Prior to connecting to the external monitoring or control system it is best to confirm that all desired outputs are working properly using a digital multimeter This must be done without output wires connected to an external system Set the multimeter to measure current and connect the multimeter to an active output an output is inactive if it does not have a chipset installed next to the terminal block Record the current in mA Confirm that the value is accurate using the following equatio
22. sssssseeee 13 Figure A le e 13 Figure 5 115 120 VAG E 14 Figure 6 200 230VAC setting ssssssssssssssesesenenee ener nennen nsns nennen nes 15 Figure 7 Flow cell and Colorimeter Inlet and outlet sseeeee 17 Figure 8 Reagent Handling succede tenete Decet vene a e evt Ina e eb dtp te a 17 Figure 9 HydroGuard Control Panel 19 Figure 10 Replacing all types of electronic modules care 37 Figure 11 Installing new chipset enne nnne 38 Figure 12 Turbidity Sensor and Flow Cell 44 Figure 13 Connecting Turbidity Sensor to Turbidity Module sese 45 Figure 14 Relay positions on board ener 58 Figure 15 Proportional Control of Chemical Dosing sssseeeenen 59 Figure 16 P factor computation example s ssessnssrnisnnsrani annann anniNa anaana RRA 60 Table of Tables Table 1 Control panel structure 19 Table 2 Operator Menu Functions and Descriptions c ccccceceeeeeeeeeeeceeeeeseaeeeeaeeeeeeeenaees 20 Table 3 Operator s Menu amp variables limits this table needs update 21 Table 4 Technician Menu Functions and Descrptons 23 Table 5 Technician Menu and Variable Limits eesseeene enne 24 Table 6 Calibration Table rtr rt tet aet i reet oa etna ee ceu etu aua 26 Table 7 Maintenance Table reet etna ee eee seg eee 27 Table 8 Alarm Description and Result nennen 28 Table 9 Troubleshooting Table 31
23. system for alarms When operating normally HYDROGUARD demands very little operator involvement Calibration Sensor sensitivity and accuracy can degrade or drift over time For this reason HYDROGUARD settings must be periodically recalibrated and compared with measurements from other measuring devices such as electronic photometers pH sensors and thermometers or compared to standard solutions like pH buffers or ORP standards Reagent Replacement HYDROGUARD uses a very small amount approximately 0 03 ml of chlorine reagents each time water is sampled The two 500 ml bottles last approximately 4 to 8 weeks depending on the measurement interval selected A Low Reagents alarm is issued when either one of the reagent bottles approaches depletion and should be replaced If the reagents are not replaced before the reagents are depleted the testing and chlorine dosing will stop and a No Reagents alarm will be displayed Therefore it is important to replace reagents before this occurs Filter Cleaning The HYDROGUARD unit has a filter installed in its water supply pipe which collects particles and impurities It should be cleaned or replaced periodically depending on water quality The clear filter cover allows a quick visual inspection to determine if cleaning is required Shut down and Winterizing If the analyzer will not be operating for an extended period of time or in areas where temperatures drop below freezing all water must be removed
24. the LCD display Press OK Enter the password Press the up arrow or down arrow until the password is reached o oO A Press OK The value that appears is the last calibrated value Co N Press OK again 9 Press the up arrow or down arrow until the value is the same as the independent digital thermometer 10 Press OK to save the new calibration or Esc to abort without saving 11 Press Esc to return to the main display 6 3 2 2 Replacing Sensors Replacing the pH or ORP sensor 1 Turn off the inlet and outlet water to the flow cell and the power to the analyzer 2 Open the doors of both the analyzing module and the control module 3 Locate the sensor in the flow cell that is to be replaced The specific sensor may be identified by the label on the wire or by tracing the wire from the control panel back to the sensor 4 Remove the old sensor from the flow cell a Unplug the sensor s wires from the sensor by grabbing the connector at the top end of the sensor and unscrewing the connector b Unscrew the sensor from the flow cell c Pull the sensor up until its glass tube clears the hole 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 42 O Blue I Water Technologies 5 Install the new Sensor a Open the replacement sensor s box and remove the sensor by the metal connector b Remove the plastic cap on
25. the unit before opening the control unit 1 Disconnect the flat cable plug from the card 2 Unscrew the four 4 mounting screws 3 Putin the new card and tighten the 4 mounting screws 4 Connect the flat cable plug to the card Figure 10 Replacing all types of electronic modules cards 5 7 8 Replacing I O Module Disconnect the power supply to the unit before opening the control unit i Disconnect the flat cable plug from the card 2 Unscrew the four 4 mounting screws 3 Putin the new card and tighten the 4 mounting screws 4 Connect the flat cable plug to the card 5 7 9 Replacing Colorimetric Module Disconnect the power supply to the unit before opening the control unit If pH ORP and or Temperature is being measured first remove the pH Redox and Temperature card 1 Disconnect the flat cable plug from the colorimetric card 2 Unscrew the four 4 mounting screws 3 Putin the new colorimetric card and tighten the 4 mounting screws 4 Connect the flat cable plug to the colorimetric card 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 37 O Blue I Water Technologies 5 7 10 Module Software Update Each electronic module card has a microcontroller chip IC with its own unique software Whenever a module s software is updated its chip must be replaced by a new version with the new software 1 Turn OFF the pow
26. 2 9 7680004 Fax 972 9 7652331 www blueitechnologies com 49 O Blue I Water Technologies 6 5 4 Shut down and Winterizing 1 Shut off the flow of water to the conductivity flow cell 2 Drain the water from the flow cell 3 If temperatures will drop below freezing remove the conductivity sensor and store in a safe location where temperatures will not drop below freezing 6 6 Flow Meter Blue Water Technologies does not supply flow meters only input connections and display 6 6 1 Installation Required Components e Flow meter frequency or 4 20 e 4 20 input module if using 4 20 flow meter e 150mm flat cable if using 4 20 input module Prior to opening the analyzer or installing any electrical components turn off all power supplies to the analyzer Frequency Output Flow Meter A flow meter with either two 2 or three 3 wires for a frequency output can be connected to the input switch section on the I O module Installation 1 Install the flow meter following the manufacturer directions Be sure to install close enough to HYDROGUARD that the wires will reach 2 Passthe flow sensor cable through an open glad on the bottom of the analyzer 3 Connect the two or three wires from the sensor cable to the input switch terminal block on the lower right corner of the I O Module Although the flow meter is connected it will not operate until it is set up in the analyzer menu 4 Press Menu until Flow Low Limi
27. 4A Max 250VAC DC 4A Max 5 5 Large Graphic Monochrome Display CHLORINE MEASUREMENT Measurement Sensor Cell cleaning Mixing technology Measurement range Measuring interval Max inlet operating pressure Flow rate colorimetric cell Working temperature REAGENTS Reagent type Reagent consumption Shelf life Free and or Total chlorine Colorimetric multi spectrum sensor Automatic self cleaning mechanism patent Inner solenoid activated active mixer patent O to 10ppm 2 to 10 minutes 1 bar 14 5 psi 3 to 12 LPH 1bar 0 75 to 36 GPH 14 5 psi 1 C to 45 C 33 8 F to 113 F DPD1 DPD3 DPD4 Min 0 033 ml per sample Unmixed DPD1 amp DPD4 3 years DPD3 15 months Mixed Recommended 60 days pH MEASUREMENT Measurement range Sensor Input impedance Oto 14 Ceramic diaphragm and gel filling 0 5 100 ORP REDOX MEASUREMENT Measurement range 0 to 2000mV Sensor Ceramic diaphragm and gel filling TEMPERATURE MEASUREMENT PT 100 0 C to 100 C 320F to 2120F Sensor Measuring range MEASURING CELL Working temperature FLOW REQUIREMENTS 1 C to 45 C 33 8 F to 113 F Measuring cell flow rate 35L h 60l h 0 3 bar 4 4 psi to 1 bar 14 5 Inlet pressure psi Outlet pressure closed cell Flow switch type FLOW MEASUREMENT Up to 0 9 bar 13 psi Rotary switch Frequency input via I O card or 4 20mA input via NTU card Measurement range 0 1 000 m3 hour pH VA
28. Chlorine Measurements nenne 38 6 21 clin 38 6 2 2 Installing DPD3 Reagent nennen nnns 38 6 2 8 Additional Menus and First Time Set up sse 39 6 2 4 Activate Total Chlorine Monitoring 39 6 2 5 Routine Maintenance nrbt thu deno ee ieee dienes 40 6 2 5 4 Reagent Replacement niente eee 40 6 252 ee WEE A0 6 3 pH ORP and Temperature Measurements sse 40 6 9 4 Installation t eee et ee ae ees 40 6 3 2 Routine Maintenance seessessssseseseeseeeennneen entente nnne enin nennen nne 41 632 1 ee Te EE 41 6 3 2 2 Replacing Gensors ken 42 6 3 8 Shut down and Wimtertzing nennen nennen 43 6 4 Turbidity Measuretrients ieci ttt ni tren tne tg hte reu edt a cu EE 43 Ur BETTEL TEE 43 6 4 2 Relay Wiring and Use nennen nennen nennen 45 6 4 3 First Time Set up and General Operation 46 06 4 4 Routine Maintenaricoe erre er nee enar et nner age see 46 6 4 4 1 Turbidity CGalbraton enne nnne 46 6 4 4 2 Cleaning the Turbidity Sensor ssssssssssseeeennnenenns 47 6 4 4 3 Replacing Components nnne enne nns 47 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com iv 6 4 5 Shut down and Wimtertzimg sse 48 6 5 Conductivity Measurements sssssssssssesesseeeene eene nre ener nnns nnne 48 ounce 48 6 5 2 First Time Set up and General Operation ccccceceeeeseeeeeeeeeeeeeeeeaeeeeeeeeeeeeees 49 6 5 3 R
29. LUE CONTROL Control function Characteristics Relay function P or Pl or On Off or frequency Normal Inverted Pulse Length proportional controller Pulse Frequency proportional controller ORP REDOX CONTROL Control function CHLORINE CONTROL 1 Control function PI or On Off or frequency Proportional band Yes Relay function Pulse Length proportional controller Pulse Frequency proportional controller High alarm as chlorine override CHLORINE CONTROL 2 Control function On Off Proportional band No Relay function Pulse Length proportional controller Pulse Frequency proportional controller Memory 256Kbit Lines 1000 Recording interval 1 360 min Event logger Yes Total relay on time Yes Operation password Yes Technician password Yes Optional Feature 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 62 O Blue I Water Technologies No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or any computer language in any form or by any third party without the prior written permission of Blue I Water Technologies Ltd Trademarks and Patents HYDROGUARD is the Registered trademark of Blue Water Technologies Ltd Patents issued and pending at the time of this printing Disclaimer Blue I Water Technologies Ltd does not accept any responsibility for any damage cause
30. OBlucI HYDROGUARD HG 702 Water Quality Analyzer User Manual December 2014 Document ID HG702UM1 34 O Blue I Water Technologies No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or any computer language in any form or by any third party without the prior written permission of Blue Water Technologies Ltd Disclaimer Blue Water Technologies Ltd does not accept any responsibility for any damage caused to its products by unauthorized personnel Use of non Blue Water Technologies reagents and or replacement parts will void all warranties Trademark Acknowledgements HG 702 is a registered trademark of Blue Water Technologies Ltd Copyright 2014 by Blue Water Technologies Ltd 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com ii O Blue I Water Technologies Table of Contents T PMQTACC aac bisected Perc bee edie beeps te oe Savini cae ae cebetics tweed sane E oes necex etic teres sas feeeabeede Ge teeeecs 7 1 1 Intended HEEN 7 1 2 Safety TE EE H CH ee E H 2 1 The HYDROGUARD Solution sse nere 7 2 2 Measurements and Features 8 2 2 1 Wireless Management Package eene nennen 8 2 3 System Componeris utter SEP e tenda ege deeg vu edat ea tuv duc oa 8 3 IMStallatiOM cm 11 3 1 elt alle Brel Lu 11 3 2 Selecting a Lo
31. a Logger Day Current time for Data Logger Month Current time for Data Logger Year Current time for Data Logger Recording interval Time interval between readings to be stored on the on board data logger Tot chlor Turns Total chlorine measurements on off will only operate in the Free Or Total FOT version Chlor ratio The ratio of Free Chlorine measurements to Total Chlorine measurements View free chlor Displays measurement value on LCD View pH Displays measurement value on LCD View ORP Displays measurement value on LCD View conductivity Displays measurement value on LCD Address Controller ID used with external communications Ver Current SW version Max flow range Maximum Flow Rate flow at 20mA of 4 20mA module 4 20mA Output Settings Configures outputs for internal 4 20mA module On alarm go to 4 20mA output during an alarm condition Reagent pump time Enables to tune the amount of reagents according to the water ingredients Modbus com format Modbus communications protocol options Operator password Change operator s password Technical password Change technician s password Optional features 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 23 Blue I Water Technologies Table 5 Technician Menu and Variable Limits
32. always be calibrated with water from the same source Note Chlorine calibration is only required every 6 to 12 months in most cases Minor deviations will exist between all testing equipment These minor differences do not warrant the calibration of the colorimeter 4 4 1 Chlorine Calibration Note Chlorine calibration should always be performed at the 5 measurement cycle in order to enable stabilization of the conditions Open the water sampling valve Let water flow while observing the colorimeter countdown timer in the LCD display Fill the sampling container when the countdown timer reaches zero 0 Test the water sample for chlorine using a digital photometer Press Menu until CI Calibrated to appears in the LCD display The top line will display CI Calibrated to and a number The number displayed is the last value entered for the calibration The bottom line will display Cl Sensor was and a number This number is the sensor reading without any calibration at the time of the last calibration If there is a large discrepancy between the above two numbers the sensor was calibrated improperly or there is a problem with the analyzer The analyzer uses the calibrated value as shown on the main screen to determine dosing rates Note Chlorine calibration should always be performed within 2596 of the set point If current chlorine level is 25 above or below the set point do not perform calibration until the chlorin
33. an be viewed by pressing the up arrow from the control panel 1 Store all probes by following directions in the supplemental manuals for each sensor 2 Drain the flow cell completely by opening the sampling valve on the bottom Leave the valve in the open position to allow air to completely dry the cell 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 29 Op Blue I Water Technologies Remove the reagent bottles and flush each pump tube by inserting the pump tube in a container of fresh water and turning the reagent pumps ON for at least 90 seconds 4 Remove the pump tubes from the water containers and turn the pumps ON for an additional 90 seconds to remove any water 5 With the solenoid valve in the open position turn off the power to the analyzer If the solenoid is in the closed position the unions at the top and bottom of the solenoid should be loosened to allow the colorimeter and solenoid to completely drain 6 Check the security of the analyzer doors to ensure a weatherproof seal 5 5 Start up and Preventive Maintenance After the analyzer or flow has been off for a long period of time 2 weeks a few simple checks should be done during the initial start up Several components may need to be cleaned and some mechanical parts may be replaced as preventative maintenance 1 Remove the colorimeter cap and clean the quarts glass using a cotton swab
34. ans are authorized to install and maintain the analyzer Only properly trained and licensed electricians should attempt any change to the system s electrical components Only properly trained and licensed operators should attempt to make any changes to chemical dosing levels Always follow local health and safety regulations when performing any service on the HYDROGUARD unit or changing chemical dosing settings 2 Overview The HYDROGUARD HG 702 Water Quality Analyzer continuously monitors chemical levels in a process water application HYDROGUARD automates free chlorine total chlorine pH ORP Redox temperature turbidity conductivity and or flow rate administering chemicals as required according to the results of these tests closed loop 2 1 The HYDROGUARD Solution Various methods have been developed over the years to monitor the concentration and balance of chemicals used in water treatment The older manual methods of monitoring chemical balance are neither objective nor effective HYDROGUARD measures free or total and optionally both free and total chlorine levels with a digital photometer which has many advantages over other types of sensors Digital photometer testing is completely objective It is not dependent on lighting conditions or the operator s eyesight and is far more accurate It does not require frequent calibration and is compatible with all types of disinfectant systems HYDROGUARD performs colorimetric test
35. areful 4 Unscrew the two 2 screws on the face of the pump head Save the screws 5 Remove the pump head by pulling gently and sliding the pump head off of the motor assembly 6 Slide the new pump head onto the motor assembly ensuring that the slot in the pump head matches the notch in the motor shaft DO NOT force the pump head onto the motor assembly it should easily slide into place 7 Rotate the pump head and slide the alignment pins into the motor assembly 8 Replace the two 2 screws to reattach the pump head 9 Attach the new pump tubes by pressing the tubes onto the connectors on the end of the pump head 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 30 10 Insert the pump tube leading to the bottom of the pump head into the appropriate reagent bottle 11 Attach the pump tube from the top of the pump head to the needle on the colorimeter cap by holding the needle and gently pressing the tube onto the connector 5 6 Troubleshooting The following procedures instruct how to locate evaluate and fix a problem when HYDROGUARD issues an alarm or indicates suspect chemical levels Table 9 Troubleshooting Table Alarm Description Symptom Solution Suggestion There is not enough water No chlori Ge now Se N reaching the controller Stop SC OW Sen WINE o flow Al measurements No connection on board a
36. cal to the operator menu 1 To enter the Technician menu press Menu to enter the operator menu and then press the up arrow and down arrow simultaneously until the menu display changes 2 Locate the desired parameter in the menu 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 24 O Blue I Water Technologies 4 a Press Menu until the desired parameter name appears in the LCD display b Press OK Enter Password 100 appears in the LCD display Enter the Technician menu password a Press the up arrow or down arrow until the password number is reached b Press OK The parameter name and current setting appear in the LCD display Note Technician menu password is different from the Operator menu password The default Technician menu password is 456 and if lost can only be reset by replacing the chipset Continue changing the parameter setting as described in the Operator menu 4 4 Calibration Parameters must be calibrated with measurements taken with external testing devices Always use digital calibration devices not the less accurate visual test kits Alternatively standard solutions may be used Make sure the standard solution is not expired or contaminated prior to using Follow the procedures below EXACTLY as instructed ALWAYS take water for calibration from the sampling valve NOT from the process line directly The analyzer should
37. chnician The Operator menu includes settings that may be controlled by on site operators The Technician menu includes settings and calibrations that should be restricted to specially trained HYDROGUARD maintenance technicians Each menu has a separate password The technician level password may be used whenever a password is required however the operator password will only be accepted in the operator menu 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 19 O Blue I Water Technologies Table 2 Operator Menu Functions and Descriptions Function Name Shock Chlorination Description Activate Chlorination according to Cl shock set point Menu Relays Manual activation of Relays Reagent pump Manual activation of Reagent Pumps Cl set point1 Controls CI relay 1 On Off or Proportional Cl shock set point Controls Cl relay according to the set point level for a period of time Cl set point2 Controls Cl relay 2 On Off only F Cl calibrated to sensor value was Most recent calibration amp sensor value at calibration for troubleshooting purposes Cl low alarm Initiates an alarm when Cl is below value Cl high alarm Initiates an alarm when Cl is above value Cl interval Time between Cl measurements pH set point Controls pH relay 3 On Off or Proportional pH 7 calibrated to sensor value was Most recent calibratio
38. ct relays for direct control of external dosing systems 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 8 O Blue I Water Technologies Control Panel Module Calculates the measurement results and determines the required chemical dosing to maintain an appropriate chemical balance in closed loop systems The Control Panel Module also provides data to external communication devices such as the 4 20mA outputs or the wireless communication package Keyboard Panel mounted on the cover of the control module it functions as HYDROGUARD s user interface The control panel displays current measurements and indicates alarms All settings and adjustments are performed through the control panel Colorimeter Module controls the colorimeter and associated components such as the reagent pumps and solenoid valve It accurately calculates the chlorine level pH Redox Temp Module receives the signal from the pH Redox and temperature probes Internal 4 20 Input Module contains connections for Turbidity Conductivity meter and the 4 20 Flow Meter Internal 4 20 Output Module provides up to four 4 20mA outputs for any measured variable External 4 20 Module Provides up to eight 4 20mA outputs for any measured variable Contains dry contacts for alarms not related to measured values including low reagents no reagents no flow etc Optional
39. d For Total Chlorine Only measurements DPD4 reagent set will be used For both Free and Total Cl measurements DPD1 and DPD3 reagent sets will be used The reagents should be installed according to the labels located behind the reagent holder For systems ordered previously please refer to the following installation For Free Cl Only For Total CI Only 1 Free Chlorine Indicator DPD 1 1 Total Chlorine Indicator DPD 4 2 Free Chlorine Buffer DPD 1 2 Total Chlorine Buffer DPD 4 For Free Cl Total Cl 1 Free Chlorine Indicator DPD 1 2 Free Chlorine Buffer DPD 1 3 Total Chlorine Indicator DPD 3 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 16 Figure 7 Flow cell and Colorimeter Inlet and outlet 1 Open the HYDROGUARD Chlorine Indicator and Buffer kit The following items should be in the box e 600 ml bottle of chlorine buffer with a white label e 600 ml bottle of chlorine indicator fluid with a blue label e Small bottle of chlorine indicator salt with a white label 2 Remove the caps on both the indicator fluid and small indicator salt bottles 3 Empty the entire contents of the indicator salt into the bottle of indicator fluid 4 Place the cap on the bottle of chlorine indicator fluid and close tightly 5 Turn the bottle upside down slowly and carefully so that no bubbles form in the fluid 6 Repeat five 5 times until al
40. d Temperature Measurements 6 3 1 Installation If the HYDROGUARD system was ordered with these components some steps in this process will have been completed in the factory and may be skipped Required Components e pH ORP Temp Module electronics card e 150mm flat cable e pH probe e ORP probe e Temperature probe Note The system may be operated with only pH or only ORP but must always have the temperature probe as this provides additional grounding to ensure reliable pH and ORP measurements The following procedure describes how to install the Redox ORP and pH sensors in the HYDROGUARD unit The installation of all the sensors in the flow cell is similar except for the connecting wires Caution Make sure the pH and Redox sensors have plastic or rubber plugs covering their ends Use another sensor if the plug of any sensor is missing or has fallen off Make sure to connect the appropriate wire to the appropriate sensors Labels are located on the wires near the probe connection and on the connection on the pH Redox Temp Module 1 Turn off all power and water supplies to the analyzer 2 Install the pH ORP Temp module electronics card in the control module on the top left above the colorimeter module if present using the 4 supplied screws 3 Connect the flat cable to the pH ORP and Temp module to an open connector on the IO module 4 Install the temperature probe a Thread the 3 8 compression connector into t
41. d to its products by unauthorized personnel Use of non Blue I Water Technologies reagents and or replacement parts will void all warranties Blue Water Technologies Ltd www blueitechnologies com 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 63
42. e such that the inlet and outlet ports are horizontal and the flow tube extends down 2 Insert the sensor into the opening of the flow tube ensuring that the notch in the top of the opening matches the rod on the sensor 3 Hand tighten the connector to secure the sensor and seal the turbidity flow cell 4 Connect the water supply to the turbidity flow cell Follow the flow indicated by the arrow on the flow cell A Without bubble remover B With bubble remover Figure 12 Turbidity Sensor and Flow Cell The flow rate should be between 0 25 and 1 GPM 15 60 gal hr or 50 225 L hr and the pressure should not exceed 30psi 2 bar The inlet and outlet connections are 74 FNPT Electrical Installation 1 Install the Turbidity Module electronics card on the inside bottom of the control panel door using the supplied screws 2 Connect the turbidity module to the UO module using the supplied ribbon cable and any open connector the connectors on both boards operate in parallel 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 44 O Blue I Water Technologies 3 Pass the sensor cable through an open tight Cable Gland Pg on the bottom of the analyzer 4 Connect the wires from the sensor cable to the terminal block on the lower left corner of the Turbidity Module following the color order indicated on the module Figure 13 Connecting Turbidity Sen
43. e level is closer to the set point Press OK Enter the password Press the up arrow or down arrow until the password is reached Press OK 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 25 Cie Blue I Water Technologies 8 Press OK again The display will now show Calibrate Cl to on the top line and Sensor Reading on the bottom line The Sensor Reading is the current reading of the sensor with no calibration The Calibrate Cl to value is the new value which you want to set 9 Press the up arrow or down arrow until the value is the same as the value given by the digital photometer Note The HYDROGUARD will not allow calibration above 0 5ppm from the un calibrated sensor reading H the value given by the digital photometer is more than 0 5ppm from the currently calibrated value retest the water in the digital photometer If the value is still more than 0 5ppm above or below the calibrated value try testing the water with another device If there is still a deviation of more than 0 5ppm between the new digital photometer there may be a problem with the HYDROGUARD colorimeter which cannot be corrected by calibration alone 10 Press OK to save the new calibration or Esc to abort without saving 11 Press Esc to return to the main display 4 4 2 Calibrating other Sensors and Meters Calibration of other sensors and mete
44. eabon ci teet telae tete riae dett tud Do nasa ed a ioana 11 3 3 Site Requirements and Installation ccccccceceeeeeeceeeeeceeeeeeaeeeeneeseeeeeseaeeeeeeseeneess 11 3 8 4 Mechanical instalation seeccreninencarn ee ennn ennt 12 3 4 Plumbing Requirements and Installation eee 12 3 4 44 Water Supply and Drainage 12 9 4 2 Water Supply EE 12 ld Dranago M 12 3 5 Electrical Requirements and Installation eee 13 3 5 1 Connecting the Main Electrical Power 13 3 5 2 Chlorine Shock Mode A 15 3 5 9 Input SWIICheS eei oerte teet Ritt re evi eere ede e extus 15 4 First Time Operation and Calibration ssesssseeeeeennenenn nennen 16 4 1 Installing Additional Sensors and Meters sssessssseessresrresresrssrissriesrinsrnnsrnnsrnee 16 4 2 Installing Reagents 1 rii do eere nado eren eerta epe deduce eiae 16 4 3 First Time Menu Setup ie ter ee eben tret ences one et e edet be vat ead Ae 18 4 3 14 HYDROGUARD Control Panel 19 4 3 2 Operator Menu eed i e Le REC e eee 19 4 3 8 Configuration Settings in the Operator Men 22 43 4 Technician Men eiiiee tenter ette dete deed dee d de Pn Ro Pene gk RdO 22 4 3 5 Configuring Settings in the Technician Men 24 4 4 Calibration ee 25 4 4 4 Chlorine Calibration nennen nnne trennen 25 4 4 2 Calibrating other Sensors and Meters sse 26 4 5 Calibration and Initial Operati
45. eagents S j Me good conditions replace if have passed expiration date needed Turn reagents pumps ON Needles Blocked Damaged and confirm that droplets forming as expected Check Clean valve and Valve malfunctioning spring Add grease Replace Valve if necessary Needle will be black on outside DPD occasional does not drop properly b c not flowing through needle Check if Cl averaging on in Cl averaging on Tech menu turn off it not wanted Enter calibration enter password and press enter to Chlorine Measurement accept reading from Inconsistent colorimeter Check Clean valve and Valve malfunctioning spring Add grease Replace Valve if necessary 269 i Needs Calibration near set point re of Sot point r calibrate Reagent Pumps not Primed or broken Chlorine too high gt 10ppm and is bleaching reagents Solenoid not shutting completely Needle is cracked or tube split at needle Calibrated at wrong level 5 7 Replacing Components The following procedures describe how to replace certain HYDROGUARD components Caution The following procedures should only be performed by properly qualified and trained HYDROGUARD analyzer technicians Warning Disconnect all power supplies to the HYDROGUARD analyzer before opening the control unit door Replacing any parts of HYDROGUARD without the expressed written authorization of Blue Water Technologies Ltd or the qualified representative who supplied the product may
46. eitechnologies com 38 O Blue I Water Technologies 1 Place the reagent bottle in position a Remove the cap from the reagent bottles b Place the opening of the reagent bottle below the bottle siphon on the right c Lift the bottle up until the opening reaches the bottle siphon cap d Push the lever above the siphon cover away from you and push the reagent bottle up e Push the bottom of the bottle into position 2 Prime the reagent pump for ninety 90 seconds until the reagent drops are visible through the DPD 3 needles a Turn reagent pumps on from the operator menu 6 2 3 Additional Menus and First Time Set up In order to operate the free and total chlorine measurements a few additional menus are required The menus and their descriptions are listed below The settings in these menus will need to be configured before operation The tables below outline the menus specific to Total Chlorine monitoring in the operator and technician menu Table 10 Additional Menus in the Operator Menu Description h Alarm Alarm when the Total Chlorine is above this value h Alarm Alarm when the Combined Chlorine is above this value Table 11 Additional Menus in the Technician Menu Description Tot Chlor Turns the total chlorine monitoring and display ON or OFF Chlor Ratio The ratio of Free Chlorine measurments to Total Chlorine Measurements 6 2 4 Activate Total Chlorine Monitoring 1 Enter the Operator Menu Set
47. er to HYDROGUARD Locate the chip that needs to be replaced 3 Remove the chip carefully by prying up each end a little at a time with a thin screwdriver Install the new chip in the same location Please note in the figure that the chip and the board each have a directional mark The chip must be positioned so that these directional marks are aligned The control panel has no IC it is necessary to replace the module electronics card Warning Installing the chip in the wrong direction will damage the system and can create an electrical fire hazard Directional Mark Figure 11 Installing new chipset 6 Additional Measurements and Features 6 1 Additional Measurements The following additional measurements may be added to the HG 702 e Free Total Chlorine monitoring instead of just free or total e Turbidity e Conductivity e Flow Rate e pH e Redox ORP e Temperature 6 2 Free Total Chlorine Measurements 6 2 1 Installation The Free CI Total CI measurements are an optional feature that is supplied from the factory However in addition to the standard free chlorine set up some additional steps are required 6 2 2 Installing DPD3 Reagent The DPD 3 reagent bottle is installed the same way as the DPD 1 and Buffer solution bottles The DPD 3 reagent will be in a 500 ml bottle labeled as DPD 3 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blu
48. external turbidity equipment 4 Connect the line live wire of the power supply to the connector marked C common on the NTU terminal block 5 Connect the line live wire of the controlled external turbidity equipment to the normally open NO or normally closed NC connection on the NTU terminal block Caution Each relay connection is limited to 4 amps to prevent overheating The relays may show a higher rating but do not connect equipment exceeding 4 amps 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 45 O Blue I Water Technologies Relay and External Equipment Operation The relay will operate in an ON OFF mode Whenever the measured turbidity is below the set point the relay will remain open no power to normally open the connection Whenever the measured turbidity is above the turbidity set point the relay will close power will be supplied to the normally open connection If the measured turbidity is above the turbidity high alarm the alarm on the analyzer will be activated The NTU relay will remain closed power to the normally open connection even during the alarm 6 4 3 First Time Set up and General Operation Although the turbidity unit is connected it will not operate until it is set up in the analyzer menu Operator Menu If the NTU relay is connected to external equipment 1 Press Menu until Turbidity Set Point appears
49. f equipment The line live wire of the dependent power source connects to the connection labeled Common on each relay The line wire of each controlled system is connected to the normally open NO or normally closed NC connection of each relay as appropriate Normally Open means that the relay will be open i e no power from the relay until the controller calls for power Normally Closed means that the relay will be closed i e power from the relay until the controller calls to stop power 1 Verify that the power switch or circuit breaker to the dependent power source is off 2 Connect the earth wire to the ground return wire from each of the external dosing systems 3 Connect the neutral wire to the return wire from each of the external dosing systems 4 Connect the line live wire to the connector marked Common of each active relay Caution Each relay connection is limited to 4 amps to prevent overheating The relays may show a higher rating but do not connect equipment exceeding 4 amps LILILILILIL CL1 CL2 pH NTU Alarm Temp Conductivity Figure 14 Relay positions on board The following table lists the relays and the dosing systems they control 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 58 Relay Relay name Control Main Chlorine system On Off or Proportional Proportional Table 14 Relays and their controlled dosing systems
50. g requires configuration according to various factors The primary factors are the ratio between the system size and the rate the chemical dosing systems can feed chemicals and the delay time between when the chemical level changes and when it is sensed by the controller In large systems changes in chemical levels occur slowly The dosing systems must feed large amounts of chemicals for a long period of time in order for a change to be noticed The chemicals also disperse slowly in larger systems Smaller systems on the other hand react much more quickly The length of time between the change and when the controller identifies the change also affects proportional control The controller can only identify water chemical levels after they have been distributed throughout the system and have returned to the analyzer This lag time varies for each system and in general systems with shorter lag times will operate better with high P factors and systems with longer lag times will operate better with low P factors The following figure explains the process of determining the chlorine P factor 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 59 Note After each cycle of dosing please take into account the system cycle time e g the time it takes the chlorine to dissolve in the water reservoir before measuring the chlorine levels Set point Cl X Measured Cl X CI P facto
51. he back of the flow cell b Place the probe into the connector until and the connector is tighten c Route the temperature probe wires into the electronics box and connect to the pH ORP and Temp module following the color codes listed on the module 5 Install the pH and or ORP probes a Remove the sensor from its packing box and remove the plastic cover or plug from the end of the sensor and drain the solution from the tube Keep the plastic cover in a safe place for winterizing or storage of probes b Hold the sensor by its connector with the glass tube pointing down 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 40 O Blue I Water Technologies c Insert the sensor into 72 connector on the top of the transparent flow cell and thread in securely DO NOT OVERTIGHTEN d Route the pH and or ORP cables to the electronics box and connect to the pH ORP and temp module e Connect each cable to the appropriate sensor 6 Repeat step 5 for additional sensors If only 1 sensor is installed a Install a jumper between the inputs for the missing probe b In the menu set the low and high alarm limits at the minimum and maximum values respectively to prevent a false alarm for a measurement that is not connected 7 Switch the HYDROGUARD ON and verify that pH and or ORP readings appear on the display In some analyzers this may need to be turned on in the
52. he number of seconds HYDROGUARD waits before closing Relay 5 the relay that operates the external alarm Only one alarm is 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 27 O Blue I Water Technologies shown on the screen at a time based on importance and the order in which it should be fixed For example if the pH is high and the ORP is low only the pH alarm will be indicated since lowering the pH will likely also correct the low ORP All of the alarms are presented in Table 8 along with a description and resulting action of the analyzer controller Alarm Alarm Description Result M No flow There is not enough water reaching the Stop all chemical dosing controller all relays are open A2 Low tow The water flow rate in the main circulation Stop all chemical dosing pipe is lower than the flow limit all relays are open A3 Check CLRMTR Communication error between No a SE 7 connect colorimeter and colorimeter board emergency mode No chlorine dosing A4 No reagents Reagents are empty optional ORP emergency mode No chlorine dosing A5 Stuck piston The piston is not moving properly optional ORP emergency mode No chlorine dosing A6 Unclean cell The glass in the colorimeter is dirty optional ORP emergency mode No chlorine dosing A7 Replace light LED in colorimeter
53. he password Press the up arrow or down arrow until the password is reached 6 Press OK 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 46 O Blue I Water Technologies 7 The value that appears is the last calibrated value 8 Press OK again 9 Press the up arrow or down arrow until the value is the same as the independent digital turbidity meter 10 Press OK to save the new calibration or Esc to abort without saving 11 Press Esc to return to the main display Note Only 1 Turbidity calibration will be active If the measured Turbidity is less than 1 0 only the NTUI calibration will be active if the turbidity is greater than 1 0 only the NTUh calibration will be active 6 4 4 2 Cleaning the Turbidity Sensor The turbidity meter will need to be periodically cleaned to ensure proper operation and reliability The cleaning frequency will depend on the water source being tested The meter should be cleaned whenever the measurement accuracy is questionable and before calibration 1 Turn off power to the analyzer 2 Shut off the flow to the turbidity flow cell and remove the turbidity meter 3 Rinse out the flow assembly with clean water to remove any sediment that may have been trapped in the flow cell 4 Wash the turbidity meter under clean water and a cloth to remove any debris and oil Be careful not to scratch the sensor covers 5 If insta
54. ing in a closed reading cell It is the only system that automatically and accurately measures free chlorine using small amounts of reagent Once installed and calibrated HYDROGUARD is fully automatic It will monitor and can control dosing systems directly or indirectly releasing the proper quantity of chemicals based on frequent automatic measurements HYDROGUARD is simple to use Its straight forward control panel and parameters menu make chemical balance control an easy task All basic information can be viewed at a glance and changing settings is as simple as scrolling through the menu and adjusting the current settings 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 7 O Blue I Water Technologies 2 2 Measurements and Features The HYDROGUARD 702 comes standard with chlorine measurement and can be configured to measure any combination of the following water quality parameters e Free Chlorine e Total Chlorine e Both Free Chlorine and Total Chlorine Optional Measurements e Turbidity e Temperature or Conductivity e ORP Redox and Temperature e Flow Rate Optional communication protocol e Modbus Protocol e Blue Protocol Communication options e Internal 4 to 20 mA outputs up to 6 channels e Wireless modem e Ethernet 2 2 1 Wireless Management Package An advanced and unique HYDROGUARD option is the wireless modem which provides web based monitori
55. is not working optional ORP emergency mode A8 Low reagents Reagents are below 20 Moe ER wee message only A9 Chlorine lt 0 1 Chlorine unusually low No chlorine dosing A10 High ORP ORP above upper limit No chlorine dosing A11 Low chlorine Cl below lower limit Ss A12 High chlorine Cl above upper limit A13 Low pH pH below lower limit A14 High pH pH above upper limit EL A15 Low ORP ORP below lower limit A16 High NTU Turbidity above upper limit A17 EXTERNAL OFF External flow switch is off No chemical dosing A18 Total CI high Total Cl above upper limit A19 Combine CI high Combined Cl above upper limit A20 Replace DPD3 DPD3 low Total CI testing stops A21 Temp low alarm Temperature below lower limit A22 Temp high alarm Temperature above upper limit A23 CI Overfeed time CI dosing on for longer than max time S mm d A24 pH Overfeed time pH dosing for longer than max time ER EE ERR A25 Conductivity low Conductivity below lower limit A26 Conductivity high Conductivity above upper limit No emergency No problem to allow ORP emergency 8 mode Use with care This ORP Emergency Mode Problem with method has An ORP Emergency Colorimeter reading ORP is now disadvantages and will Mode 3 5 days only controlling until problem is resolved up to not reflect same results as normal operational mode No dosing only affects the relay operation Alarm relay will close and all other relays wil
56. isplayed on the screen and the result will be displayed in the next measurement The analyzer will always act based on the last reading and not according to the averaging value Cl lt 0 1 alarm Initiates an alarm and opens CI relays 1 2 If Cl drops below this level Whenever the Cl measurement is lt 0 1 ppm the analyzer will disable relay 1 and relay 2 This alarm is provided as an extra level of safety against over chlorination due to bleaching of reagents However it complicates the start up of the analyzer when the Cl is being maintained at low levels Therefore this alarm feature may be turned off For cases when the Cl level is always expected to be above 0 5ppm Blue Water Technologies highly recommends that this alarm remain in use except for start up pH p factor Proportional Factor for pH Relay 3 pH pump period 1 pump cycle on off time for pH relay 3 pH pump freq pH pump max pulses min 0 for on off pump pH balance type To select if Acid or Base is being added to adjust pH Flow sensor Turns Flow sensor on off optional module Flow rate Choose between metric and US units Celsius Fahrenheit Choose between metric and US units Turbidity Turns Turbidity module on off optional module NTU wiper interval Cleaning glass interval for turbidity module optional module Minutes Current time for Data Logger Hour Current time for Dat
57. l of dosing systems and safety reasons perform a system reset pH dosing for longer than max Confirm proper operation pH SEN A24 time and has shut off for pH GC uri of dosing systems and safety reasons perform a system reset Md c d A25 Conductivity below lower limit Conductivity Conductivity above upper A26 S high limit No No problem to allow ORP 8 emergency emergency mode Use with care This ORP Emergency Mode ORP Problem with Colorimeter meroa TS f Funcion Islay Ee Emergency AO reading ORP is now disadvantages and will enabled after no Modo controlling until problem is not reflect same results solution for alarms resolved up to 3 5 days only as normal operational A3 4 5 6 7 P y y mode No dosing only affects the relay operation Alarm relay will close and all other relays will open 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 33 OBluel Problem Symptoms Potential Cause Solution Suggestion Prime for 90 seconds confirm pumps work properly and droplets form and drop from each needle Dilute and test manually controller will operate fine once back in normal level confirm that water stops flowing when reading starts timer gets to zero Unscrew solenoid and clean the tip check filter for Chlorine Measurement is holes Zero or Low e make sure reagent are in Using wrong or not original reagents or r
58. l open Table 8 Alarm Description and Result 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 28 O Blue I Water Technologies 5 2 Replacing Reagents HYDROGUARD issues a LOW REAGENTS message when the float at the end of one of the reagent siphons detects that one or both of the reagents is approaching depletion After this time HYDROGUARD will count down internally until the reagents are expected to be completely depleted and the Cl analysis will stop and the analyzer will activate an alarm The blue LED lights in the flow cell will flash continuously until the reagents are replaced or they are depleted resulting ina NO REAGENTS alarm and an opening of the chlorine relays preventing any additional chlorine from being added Prior to receiving the NO REAGENTS alarm replace the reagents as described in Section 4 2 Note Once mixed salt into the solution the reagents have a shelf life of 2 months and will lose accuracy if used beyond this time limit 5 3 Cleaning the Filter The HYDROGUARD unit is sent to the site mounted on a mounting panel Several other units are mounted on the panel alongside the analyzer including a water filter which filters out sand rust course debris oil and other impurities in the sampled water These impurities may clog the HYDROGUARD s internal pipes contaminate the sensors or dirty the analyzing cell reducing its accu
59. l the indicator salt is dissolved in the indicator fluid D O E Figure 8 Reagent handling 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 17 O Blue I Water Technologies 7 Place the reagent bottles in position a Remove the cap from the reagent bottles o Place the opening of the reagent bottle below the bottle siphons O Lift the bottle up until the opening reaches the bottle siphon cap d Push the lever above the siphon cover away from you and push the reagent bottle up e Push the bottom of the bottle into position Caution Do not refill the reagent bottles Do not mix or add reagent from other bottles Do not use any non Blue Water Technologies reagents 8 Prime the reagent pumps Press Menu on the control panel keypad until the Reagent Pump menu appears Press OK a Enter password 123 is default using the up or down arrows a Oo CO Press OK OFF will appear on top line e Press OK again OFF will appear on the top and bottom lines f Press UP to turn the reagent pumps ON g Press OK when the water flowing from the colorimeter has a red tint or reagent drops are being formed at the needle tips h Press Escape twice 2x to return to the main screen Note If outside of the range of 0 2 to 10 ppm remove the colorimeter cap and confirm that reagents are being pumped 4 3 First
60. let from the flow cell 2 Remove the ORP sensor and PT 100 temperature probe from the flow cell 3 Wipe sensor probe with a dry cloth and submerge it and the temperature probe into a cup with the ORP Standard Solution and wait for the reading to stabilize 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 41 O Blue I Water Technologies Note The reading will not stabilize if the temperature probe is not also in the buffer solution 4 Press Menu until ORP Calibrated to appears in the LCD display 5 Press OK 6 Enter the password Press the up arrow or down arrow until the password is reached 7 Press OK 8 Press OK again 9 Press the up arrow or down arrow until the value is the same as the value printed on the label of the standard solution 10 Press OK to save the new calibration or Esc to abort without saving 11 Press Esc to return to the main display Note When the HYDROGUARD is initially turned on the pH and ORP readings will continue to rise for the first 24 48 hours If calibration is required it is best to wait until the readings have stabilized or recalibrate when the readings have stabilized Temperature Calibration Take a sample of water from the flow cell 1 Insert a digital thermometer into the sample N Wait for the thermometer reading to stabilize ao Press Menu until Temperature Calibrated to appears in
61. lete HYDROGUARD assembly should be mounted at least 24 60 cm above the floor preferably at eye level The HYDROGUARD unit and its mounting panel are not shipped with mounting screws or anchors The installer must provide screws and anchors that can hold the weight of the HYDROGUARD unit mounting panel intake filter and electrical outlets and junction boxes The screws and anchors must be compatible with the wall where it will be installed 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 11 3 3 1 Mechanical Installation Illustrates steps 3 to 5 in the following procedure 1 HYDROGUARD is shipped pre mounted on a mounting panel along with a water filter The mounting panel includes four screw holes one in each corner 2 Determine the location of one hole on the HYDROGUARD unit or on the mounting panel Secure one corner of the HYDROGUARD unit or mounting panel to the wall Level the HYDROGUARD unit or mounting panel and mark the remaining three 3 screw holes 5 Secure the remaining corners to the wall using 5 16 8 mm screws Step 5 Step 3 Level HydroGuard unit and Mark first hole drill and screw mark the remaining 3 holes mounting panel to wall 7 Be sl Step 6 Mounting Panel We gt Drill the 3 holes and screw a oe mounting board to wall 3 S 5 Ee Use 5 16 8 mm screws HydroGuard T Controller P o7 cdi o
62. librated to sensor value was Most recent conductivity amp sensor value at calibration for troubleshooting purposes Conduc low alarm Initiates an alarm when Conductivity is below value Conduc high alarm Initiates an alarm when Conductivity is above value Conduc active time The activations duration of the coagulants pump Alarm delay Time delay before alarm relay 5 closes Flow low limit Low limit for external flow meter Flow k factor k factor for external flow meter Total Alkalinity Manually entered for Langelier Index Total Hardness Manually entered for Langelier Index TDS Manually entered for Langelier Index T Cl calibrated to sensor value was Most recent calibration amp sensor value at calibration for troubleshooting purposes Total Cl high alarm Initiates an alarm when Total Cl is above value Comb Cl high alarm Initiates an alarm when combined Free amp total Cl is above value ORP Emergency mode Allows ORP mode to be used in case there is a Cl measurement problem If a problem occurs with the colorimeter unclean cell stuck piston communication error or the customer runs out of reagents the analyzer may be temporarily operated in ORP Emergency Mode 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 20 Function Name Description This mode
63. ll chemical dosing all relays dang dosing Check that the switch is are open not stuck The water flow rate in the main circulation pipe is lower Check the circulation Low flow A2 than the flow limit Stop all No dosing pipes It is not a chemical dosing all relays controller problem are open Check wiring between Check Communication error between peu uci petis A3 SUEDE NUR No Cl measurements Change colorimeter i sensor in case of continued problem Check reagent level and change bottle if needed No reagents A4 Reagents are empty No reading Make s re the sensors not stuck Wait for the second measurement and check visually Clean the colorimeter assembly Make sure the The piston is not moving No chlorine colorimeter connection is Stuck piston A5 properly within the measurements No well connected to the colorimeter chlorine dosing mixer on the control panel The other possibility is that there is not enough flow to the colorimeter Increase the flow to the analyzer Clean the tube with a T cotton swab The other Impurities have accumulated No chlorine AME Unclean cell A6 in the colorimeter analyzing measurements No possibility 1s that there Is cell chlorine dosing not enough flow to the colorimeter Increase the flow to the analyzer LED in colorimeter is not No chlorine Re solder LED Replace light A7 working Insufficient measurements No connection Change connection on the board chlorine dosing co
64. ll depend on the water source being tested and should be conducted whenever there is significant visible dirt the measurement accuracy is affected or before the meter is calibrated 1 Shut off the flow of water to the conductivity flow cell and remove the meter 2 Wash the meter under a jet of water to remove the debris 3 4 Replace the meter and restore flow to the flow cell Use a soft cloth to remove any additional debris and oil 6 5 3 3 Replacing the Conductivity Meter Qu gr CI MO O 7 8 Turn off the inlet and outlet water to the flow cell and the power to the analyzer Open the door of the control module Remove the wires from the bottom of the Conductivity input module Remove the meter from the flow cell by unscrewing the cap and pulling gently Install the new meter in the flow cell Route the wires back to the conductivity module and reconnect the wires to the 4 20 input module Restart the flow and turn the power on Confirm that proper operation has been restored Replacing the Conductivity Input Module Disconnect the power supply to the unit before opening the control unit 1 Disconnect the flat cable plug from the card 2 Disconnect all terminal blocks 3 Unscrew the four 4 mounting screws 4 5 Connect the flat cable plug to the card Put in the new card and tighten the 4 mounting screws 6 Reconnect the terminal blocks 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 97
65. lled inspect the wiper for signs of wear and replace if necessary 6 Reinstall the meter and turn the flow back to the meter 7 Confirm that the meter is operating properly and that the flow cell is sealed 6 4 4 3 Replacing Components Replacing the Turbidity Meter 1 Turn off the inlet and outlet water to the flow cell and the power to the analyzer 2 Open the door of the control module 3 Remove the 5 wires from the bottom of the Turbidity input module 4 Remove the meter from the flow cell by unscrewing the cap and pulling gently 5 Install the new meter in the flow cell 6 Route the wires back to the turbidity module and reconnect the 5 wires following the color coding on the module 7 Restart the flow and turn the power on 8 Confirm that proper operation has been restored Replacing Turbidity Input Module Disconnect the power supply to the unit before opening the control unit 1 Disconnect the flat cable plug from the card 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 47 O Blue I Water Technologies N Disconnect all terminal blocks ao Unscrew the four 4 mounting screws a A Putin the new card and tighten the 4 mounting screws Connect the flat cable plug to the card O Reconnect the terminal blocks 6 4 5 Shut down and Winterizing 1 Disable the Turbidity measurement in the technician menu
66. lorimeter assembly Reagents are below 20 Message only NOT an Pium A8 Notifies how many days until RE i error Indicates reagents the reagents are depleted are needed soon Compare to manual i reading If normal ru S A9 Chlorine SECH SEH No chlorine dosing operation will be around 0 1 ppm range then disable alarm 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com Description Solution Suggestion Compare to manual reading and recalibrate if necessary Check unstable reading due to poor grounding Increase high low ORP level if operation is normal Replace probe if needed Low chlorine A11 Cl below lower limit Compare to manual reading Check reagent flow from bottle to colorimeter Check clean solenoid valve including Message Only spring Check water flow Verify piston movement mixing Check that dosing systems are operating properly Low pH A18 pH below lower limit SS Compare to manual reading and recalibrate if necessary Check if unstable reading is due High pH A14 pH above upper limit zx to poor grounding Increase high low pH level if operation is normal Replace probe Compare to manual reading and recalibrate if necessary Check if unstable reading is due to poor grounding Increase high low ORP level if operation is normal Replace probe Check constant reading Compare to manual reading Check wiper movement
67. lt Technician menu password is 456 and if lost can only be reset by replacing the chipset 4 Press OK again The LCD display shows the parameter and the current setting 5 Enter the new parameter setting a Press the up arrow or down arrow until the desired parameter value is reached according to the options listed in Table 13 b The second row of the menu display below the value that is being changed shows the current value 6 Press Enter to save the new setting or Esc to abort without saving the new setting 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 51 Table 12 Modbus Configuration Options Bit 4 EAT 3 Bit 2 Bit 1 Bit 0 Parameters 2 stop P SWepked S200bps Parity Even Parity 1 stop bit floating point 9600bps Odd No parity 0 0 0 0 0 0 1 0 0 0 0 1 2 0 0 0 1 0 3 0 0 0 1 1 4 0 0 1 0 0 5 0 0 1 0 1 6 0 0 1 1 0 7 0 0 1 1 1 8 0 1 0 0 0 9 0 1 0 0 0 10 0 1 0 0 1 11 0 1 0 1 0 12 0 1 0 1 1 B Ve Bit4 pit 3 Bit 2 Bit 1 Bit 0 Male Zatep T 19200bps Parity Even Parity 1 stop bit floating point 9600bps Odd No parity 13 0 1 1 0 0 14 0 1 1 0 1 15 0 1 1 1 0 16 0 1 1 1 1 17 1 0 0 0 0 18 1 0 0 0 1 19 1 0 0 1 0 20 1 0 0 1 1 21 1 0 1 0 0 22 1 0 1 0 1 23 1 0 1 1 0 24 1 0 1 1 1 25 1 1 0 0 0 26 1 1 0 0 1 27 1 1 0 1 0 28 1 1
68. n Repeat for each active output n 16 MeasuredValue MinValue 4 FullScale mA milliamp output value Full Scale Max Value Min Value in case of Min is zero it s the max value Connecting to an External Monitoring System Connect two wires from the active output to the appropriate connection on the external System Repeat for each active output If an active output output with a chipset installed is not to be used place a jumper wire between the contacts 6 9 Chlorine Shock Mode Chlorine shock mode is available to provide a high level of chlorine for a relatively short period of time 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 56 O Blue I Water Technologies Two menus control this feature 3 Shock Chlorination 4 Cl Shock Set point a Duration During normal operation the analyzer controller operates Cl dosing systems based on Cl Set Point 1 When Cl Shock mode is turned ON the controller will automatically control the Cl dosing system based on the Cl Shock Set Point This will only affect Cl relay 1 and the 4 20mA Control Output Cl relay 2 will still be controlled based on CI Set Point 2 Once the Cl Shock Mode is turned ON the controller controls the Cl Shock Set Point for the user selected Duration and then automatically shuts Cl Chlorination Mode OFF Then the controller returns to operating the Cl Set Poin
69. n amp sensor value at calibration for troubleshooting purposes pH 4 10 calibrated to sensor value was Most recent calibration amp sensor value at calibration for troubleshooting purposes pH low alarm Initiates an alarm when pH is below value pH high alarm Initiates an alarm when pH is above value ORP set point1 ORP set point for emergency mode only ORP calibrated to sensor value was Most recent calibration amp sensor value at calibration for troubleshooting purposes ORP low alarm Initiates an alarm when ORP is below value ORP high alarm Initiates an alarm when ORP is above value amp opens CI relays 1 amp 2 Temp calibrated to sensor value was Most recent calibration amp sensor value at calibration for troubleshooting purposes Temp low alarm Initiates an alarm when Temp is below value Temp high alarm Initiates an alarm when Temp is above value Turbidity set point Controls Turbidity relay 4 optional module NTUI calibrated to sensor value was Most recent low NTU amp sensor value at calibration for troubleshooting purposes NTUh calibrated to sensor value was Most recent high NTU amp sensor value at calibration for troubleshooting purposes Turbidity high alarm Initiates an alarm when Turbidity is above value Conduc set point Controls Conductivity relay 6 when conductivity is available Conduc ca
70. ne the chlorine concentration in the water Follow the procedure below to replace the colorimeter 1 Turn off the water inlet and outlet from the flow cell and turn off the analyzer power 2 Open the doors of both the analyzing module and the control module 3 Locate the colorimetric cell unit in the analyzing sets 4 Disconnect the existing Colorimeter a Remove the top cap from the colorimetric unit i Make sure not to touch the reagent injection needles in the cap b Disconnect the outlet tube from the colorimetric unit c Unscrew the union between the solenoid valve and the Colorimeter d Unscrew the four 4 mounting screws that hold the Colorimeter to the HYDROGUARD housing 5 Open the control module door 6 Trace the wires from the Colorimeter to the colorimeter control module connector A total of four wire pairs 2x4 are connected to the control module 4 connected to the MIXER terminal block and 4 to the SENSOR terminal block 7 Disconnect the Colorimeter s wires from the Colorimeter module 8 Connect a new Colorimeter unit a Hand tighten the union between Colorimeter and the solenoid valve until the Colorimeter is tightly connected to the valve Check that the O ring is still in place b Screw the Colorimeter to the HYDROGUARD analyzing module housing with the four mounting screws c Place the top cap on the Colorimeter unit 9 Re connect the outlet tube to the Colorimeter 10 Pass the wires
71. ng of up to 5 analyzers This cellular communicator collects HYDROGUARD s alarms and readings and transmits them to a web based application server The information is easily accessed via the Internet or mobile phone The wireless modem is an optional module Note Not all cellular companies support this wireless modem Please contact Blue Water Technologies or your supplier for details See the supplemental manual for instructions on installing and using the modem 2 3 System Components HYDROGUARD has two primary units the analyzing unit and the control unit The analyzing unit performs the actual measurements It contains the following components Colorimetric Reading Cell measures free or total and optionally both free and total chlorine levels in the water using DPD reagents and a closed cell digital photometer Flow Cell contains the sensors including the pH Redox ORP and temperature sensors Reagent Bottles contains the reagents used by the colorimeter to measure chlorine levels in the water Reagent Pumps and Solenoid Valve accurately controls the flow of water and reagents into the colorimeter making every measurement as accurate as possible The control units include all electronics the user interface and the software that controls the measurements performed in the analyzing unit It includes the following components UO Module Input Output Power Supply to the analyzer and contains the dry conta
72. nications Options continued Parameter s Name Type Address Notes Chlorine lt 0 1 Discrete Input 10035 ORP gt XXX Discrete Input 10036 Unclean cell Discrete Input 10037 Replace light Discrete Input 10038 Low chlor Discrete Input 10039 High chlor Discrete Input 10040 Low Ph Discrete Input 10041 High Ph Discrete Input 10042 Low ORP Discrete Input 10043 High NTU Discrete Input 10044 External OFF Discrete Input 10046 Colorimetr comm error Discrete Input 10047 High total chlor Discrete Input 10048 High combine chlorine Discrete Input 10049 No DPD3 Discrete Input 10050 Chlor overfeed time Discrete Input 10051 Ph overfeed time Discrete Input 10052 Piston stuck Discrete Input 10053 Low temperature Discrete Input 10054 High temperature Discrete Input 10055 Low conductivity alarm Discrete Input 10056 High conductivity alarm Discrete Input 10057 Parameter s Name Type Address Notes Free chlorine Input Register 30000 Floating point IEEE 754 pH Input Register 30002 Floating point IEEE 754 Redox Input Register 30004 Floating point IEEE 754 Temperature Input Register 30006 Floating point IEEE 754 Flow Input Register 30008 Floating point IEEE 754 Turbidity Input Register 30010 Floating point IEEE 754 Total chlorine Input Register 30012 Floating point IEEE 754 Combine chl
73. on Checker 26 5 Routine Operation and Maintenance enne nnne 26 5 1 Monitoring HYDROGUARD Alarms esses entente 27 5 2 Replacing Reagents chee inii dem derent cedes red ent ba mete dE deret AE 29 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com iii O Blue I Water Technologies 5 3 Gleantng the Filler iis cie rinnoin resar iaria midea anaana 29 5 4 Shut Down and Winterizing rette tert t eene tea et eee et Eon e eese oda 29 5 5 Start up and Preventive Maintenance eene 30 5 5 1 Replacing Reagent Pump Head and Tubes ssseseeseserssesrrsserrssrernssrerrssrrensss 30 5 6 Troubleshooting reine reae aaia kgee ua ue RP RE E ERES e gai eaa 31 5 7 Replacing Components cote Le taa dirait etat Ea ruta et eus 34 5 7 1 Replacing Flow Switch 35 5 7 2 Replacing Reagent Siphon nennen nennen 35 5 7 3 Replacing the reagent level sensor esssseee een 35 5 7 4 Replacing Reagent PUMPS eene nennen 35 5 7 5 Replacing Colorimieter eicere tate eee eet tenete o SaL t deeds 36 5 7 6 Replacing Colorimeter Solenoid Valve sse 36 5 7 7 Replacing Control Panel Module electronics Gard 37 5 7 8 Replacing VO Module 37 5 7 9 Replacing Colorimetric Module 37 5 7 10 Module Software Update sse enne 38 Additional Measurements and Features eene 38 6 1 Additional Measurements essen nnne 38 6 2 Free Total
74. or to wiring 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 13 To change the configuration use jumpers J21 amp J22 on the I O card For 115 120VAC see the jumpers setting per Figure 5 For 200 230VAC see jumpers setting per Figure 6 Figure 5 115 120VAC setting 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 14 Caution Before making a connection to a power source confirm that both jumpers are located on the correct voltage and that the appropriate fuse is in place Verify that the power switch or circuit breaker to the non dependent power source is OFF 2 Connect the line live wire to the I O board connector marked Line 3 Connect the neutral wire to the I O board connector marked Neutral 4 Connect the earth wire to the I O Module connector marked Ground 5 Continue with the other electrical connections 6 Turn on electrical power only after all electrical connections have been completed For information on wiring and using the relays as dry contact or for control see chlorine shock mode 3 5 2 Chlorine Shock Mode Chlorine shock mode is available to provide a high level of chlorine for a relatively short period of time Two Figure 6 200 230VAC setting menus control Bus feature 1 Shock Chlorination 2 Cl Shock Set point a Duration During normal opera
75. orine Input Register 30014 Floating point IEEE 754 Conductivity Input Register 30016 Floating point IEEE 754 bit0 Low Reagent bit1 No Reagents bit2 No DPD3 bit3 No Flo bit4 External OFF Colorimeter alarms Input Register 30018 bit5 Unclean cell bit6 Replace light bit7 Colorimeter communication Error bit8 Piston stuck Controller ID Input Register 30019 16 bit serial number Modbus connection details Holding 40000 bitO parity noparity Register bit1 parity even odd bit2 19200bps 9600bps bit3 floating point swapped floating point bit4 2 stop 1 stop bit Chlor measures interval Holding 40001 sec Register 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 54 6 8 Communication Options 6 8 1 Internal 4 to 20mA Output 6 8 1 1 Installation Required Parts e Internal 4 20mA Module electronics card e 250mm Flat Cable ribbon cable To complete the installation a 2 wire cable for each output channel parameter will also be required Hardware Installation 1 Attach the 4 to 20 module to the inside of the control panel door below the control panel module using the 4 supplied screws 2 Attach the ribbon cable from the 4 to 20 module to any open connector on the I O module Electrical Installation The 4 to 20 mA module is powered through the ribbon cable and does not require a separate electrical supply as the
76. outine Maintenance ececcceeeecceceeeeeceeeeeeececeeneeceeesseaeeeeneeeeeeeneeaeeesneneeeeeniaes 49 6 5 8 1 Conductivity Calibration sesssssssseseeneneeeenneen nnne nennen 49 6 5 8 2 Cleaning the Conductivity Meter 49 6 5 8 8 Replacing the Conductivity Meier 49 6 5 4 Shut down and Wimtertzimg eene nennen 50 6 6 FIOW AUC 50 6 6 1 ctun 50 6 6 2 Routine Maintenance and Troublesbootng eene 51 6 7 Modbus Communication Protocol enne 51 6 8 Communication OPTIONS ener enne en nnne 55 6 8 1 Internal 4 to 20mA Output 55 6 9 1 1 nstallatlOri iii ei tarde R dl Cete Er Lid dE EE 55 6 9 Chlorine Shock Mode ener nnne tenentes enne 56 Appendix A Relays and Closed Loop Control 58 Connecting external equipment to the relays ssssssseeeeenneenen 58 Wiring Brel Ge EE 58 Proportional Control OVErVieW ener enses tenens 59 Proportional ator er EET 59 Step By Step Proportional Settings sssssssssseseeeeee enne 61 SetINGUPUMP Pepe ee 61 Appendix B Technical Specifications sse 62 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com V O Blue I Water Technologies Table of Figures Figure 1 HydroGuard 702 Main Components enne nennen 10 Figure 2 HydroGuard 702 Mounting Panel 12 Figure 3 Flow Cell and Colorimeter Inlet and Outlet
77. ps 6 8 above to set the new parameter Note The Menu button displays the next parameter in the list so that the operator can check every parameter in the menu There is no scroll back option To view or change a previous parameter in the menu you must exit the menu by pressing Esc and start the above procedure from the beginning 4 3 4 Technician Menu The Technician menu includes advanced parameter settings that are accessible separately from the Operator menu The operators menu settings can be viewed however changes require a special password allowing only qualified personnel to change the analyzer s 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 22 O Blue I Water Technologies advanced settings These settings do not require frequent changes after the initial installation and set up Table 4 Technician Menu Functions and Descriptions Function Name Description Cl P factor Proportional Factor for Cl Relay 1 Cl pump period 1 Pump cycle on off time for Cl relay Cl pump freq Cl pump max pulses min 0 for on off pump Cl averaging Displays an average of the last 4 Cl readings This feature will only affect the displayed value not the action of the analyzer This feature is intended primarily to prevent operators from making changes due to minor normal fluctuations in the measured chlorine level The averaging is done on the last 4 readings d
78. r Y y One cycle of CI adding y CI x Yes Cl P factor too low Y amp Change P factor Y AY Cl P factor OK Yes X lt CI lt X 1 1 One ae of CI adding we Sea lt X lt Cl lt X 1 1 CI P factor too high Yes Cl gt Mies T at lt y 9 Change P factor Y YAY CI P factor OK y Wait until Cl lt X y One cycle of CI adding lt CD wn y CI P factor OK Figure 16 P factor computation example 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 60 Step By Step Proportional Settings 1 Finish the installation of all controllers electrical water feeding systems and electrodes 2 Calibrate the controller to the water chemical values at the sample point 3 Setthe proportional factor and the pump period of the chlorine and the pH at an initial setting 4 Letthe controller operate the chlorinator and the pH correction devices and make sure that chemicals are injected into the water 5 Watch the chlorine and pH as they change We recommend that you record the values frequently so that the process is closely monitored a Ifthe values greatly exceed the set point you need to decrease the proportional factor b If it takes too long to get to the set point you need to increase the proportional factor Note In large systems the delay time be
79. r treatment chemicals can be corrosive to HYDROGUARD s electronic circuitry It is highly recommended that HYDROGUARD is not installed adjacent to a storage area for chemicals or the dosing systems themselves Minimum Distance from Supply Pipe The water sampling line that is connected to the main pipe feeding the HYDROGUARD should be as short as possible A long sample creates an unnecessary delay between supply measurement analysis and chemical dosing Drainage The location should easily allow the outlet of the colorimeter to gravity drain without creating an obstacle i e no pipe across walkway The flow cell may be pressurized to allow for return to the system under pressure Freezing Temperatures The analyzer should be installed in a location that is not susceptible to freezing temperatures The reagents will freeze preventing accurate readings even when thawed and parts may be damaged due to expansion when ice forms 3 3 Site Requirements and Installation The HYDROGUARD assembly is wall mounted It should be located on a wall where operators and service technicians can easily access it for normal operation and maintenance It is also advisable to install it where the operators can easily view the readings and alarms Finally the complete unit with all connections weighs 18 Ibs 8 kg so it must be mounted securely onto a stable wall The HYDROGUARD unit measures 26 3 x 13 1 66 8 cm x 33 2 cm The base of the comp
80. racy This filter must be cleaned regularly as it becomes clogged with debris and impurities The frequency at which the filter requires cleaning depends entirely on how much debris is in the water The following procedure describes how to remove clean inspect and if necessary replace HYDROGUARD s water filter 1 Locate the water filter mounted below the HYDROGUARD unit and the valve that is located on the water supply pipe 2 Turn off water supply to the filter and remove the filter CA Remove any loose debris with your fingers iN Wash the filter under running water C1 Inspect the filter and replace if any part of the filter fabric is torn N O Open the water supply valve CO Return the filter into place making sure that the gaskets and o ring are in place Press the air relief valve to remove the air from the filter 9 Confirm that the water is flowing and the filter is properly sealed 5 4 Shut Down and Winterizing The HYDROGUARD analyzer is designed to keep the probes submerged even if there is no flow to the analyzer However if the analyzer is going to be offline for an extended period of time and or exposed to freezing temperatures it must be winterized to prevent damage to the analyzer and the probes Note Before powering off the unit please make sure that the analyzer s timer is set to 20 sec enabling the analyzer to finalize the cleaning process The timer option c
81. rs is similar to the chlorine calibration and requires the use of a reliable external testing device or standard solution See the supplemental manuals for each sensor or meter for specific information on calibration 4 5 Calibration and Initial Operation Checklist Before leaving the site perform the procedure in this section and record the requested values Calibrate the following HYDROGUARD parameters and enter the information into the table below If pH and ORP are reading slightly low do not calibrate as they will continue to increase for the first 24 48 hours Table 6 Calibration Table Date Site Technician s Name Parameter Analyzer Readin External Device or Standard Value Free Cl Total Cl Flow Rate 5 Routine Operation and Maintenance Once installed by a qualified technician HYDROGUARD can begin monitoring and controlling water quality HYDROGUARD is specifically designed for easy operation however some periodic maintenance is still required Basic guidelines are provided in Table 6 however the actual schedule may vary depending on conditions and use 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 26 O Blue I Water Technologies Table 7 Maintenance Table Service Required Expected Frequency 1 ta 2 months 1 month fclean when visible dirt oil 12 months Basic Operation involves setting the desired parameters and monitoring the
82. sor to Turbidity Module The sensor cable may be cut or extended up to a maximum distance of 650 feet 200m as needed If the turbidity relay is not going to be connected to any external equipment the installation is complete If the relay will be used to operate equipment based on the turbidity set point the following steps in Relay Wiring and Use will need to be followed 6 4 2 Relay Wiring and Use Wiring of the Turbidity Relay NTU relay is identical to wiring of all other relays and should be connected to a dependent interlocked power supply to prevent operation of equipment when the water supply is not active Likewise it operates based on closed loop control The line live wire of the pump dependent power source connects to the connection labeled Common C on the NTU relay The line wire of the controlled external turbidity equipment is connected to the normally open NO or normally closed NC connection of each relay as appropriate Normally Open means that the relay will be open i e no power from the relay until the analyzer calls for power Normally Closed means that the relay will be closed i e power from the relay until the analyzer calls to stop power 1 Turn OFF all power sources to the analyzer 2 Connect the earth ground wire of the power supply to the ground return wire from the controlled external turbidity equipment 3 Connect the neutral wire of the power supply to the neutral wire from the controlled
83. t appears Enter the low flow value the flow value which will cause an alarm and will disable any direct chemical dosing 5 Change to Flow Sensor on 6 Press Menu again and K factor appears Enter the k factor for the flow meter being used should be on paperwork with flow meter 7 Press Up Down arrows together and then press Menu until Flow Rate m3 hr appears Select the flow units of m3 hr or GPM 4 20 Output Flow Meter Any flow meter with a 4 20mA output can be connected to the analyzer s internal 4 20 input module 1 Install the flow meter as per the manufacturer directions 2 Passthe flow sensor cable through an open glad on the bottom of the analyzer 3 Connect the 4 20mA output wires from the flow meter to the middle 4 20mA Input connection on the input module Although the flow meter is connected it will not operate until it is set up in the analyzer menu 4 Press Menu until Flow Low Limit appears Enter the low flow value the flow value which will cause an alarm and will disable any direct chemical dosing 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 50 O Blue I Water Technologies 5 Press Up Down arrows together and then press Menu until Flow Rate m3 hour m3 hr appears Select the flow units of m3 hr or GPM 6 Press Menu until Max flow Range appears Enter the maximum flow rate flow rate at 20mA o
84. t 1 To turn on Cl Shock Mode 4 Enter the Cl Shock Set point then press OK 5 Enter the Duration then press OK 6 Turn Cl Shock Mode ON You will also need to adjust the Cl P factor technician menu A low P factor will make slower changes to Cl dosing a high P factor will make faster changes to Cl dosing If you have trouble reaching the Cl set point use a higher P factor If you greatly overshoot the set point use a lower P factor 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 57 O Blue I Water Technologies Appendix A Relays and Closed Loop Control There are 6 dry contact relays on the I O module Five of the relays may be used for direct control of closed loop systems All of the relays may be used as dry contacts and will operate based on the settings specifically the set points selected in the operator menu Connecting external equipment to the relays This is only required if the relays are being used to power and control external dosing equipment The relays will act as dry contacts if no power is supplied A dependent power supply should be used such that no equipment will be activated unless the process line has flow Wiring to Dosing Systems HYDROGUARD controls chemical dosing systems using a series of electronic relays that start and stop the dosing pumps Each relay opens and closes a switch that activates a separate pump or piece o
85. talled a fixed connection jumper wire is required to allow the controller to operate Two flow switches and one flow meter may be connected 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 15 e Flow Switch internal Flow switch connected to the flow cell of analyzer Supports both 2 and 3 wire flow switches o If a 2 wire switch is used it should be connected to the In and Gnd connections If a 3 wire switch is used the VCC connection will also be used e External Flow Switch Connection for an external 2 wire flow switch If an external Switch is not connected a jumper must be installed for the analyzer to operate properly e Flow Meter Connection for 2 or 3 wire flow meter The analyzer will not look for the flow meter connection unless the option is turned ON in the technician menu therefore no jumper is required if a meter is not installed Caution Electrical connections depicted in this section are ONLY recommendations All electrical connections should comply with National Electrical code NEC and all local regulations 4 First Time Operation and Calibration 4 1 Installing Additional Sensors and Meters Install all additional sensors and meters and connect to the HG 702 main system following the supplemental manuals for each sensor or meter 4 2 Installing Reagents For Free Chlorine Only measurements DPD1 reagent set will be use
86. technical menu 8 Observe the pH and ORP Redox levels and wait several minutes until both readings stabilize a If either one or both indicators do not display a proper reading or are not stable confirm proper installation and then see the Troubleshooting section 6 3 2 Routine Maintenance 6 3 2 1 Calibration pH Calibration pH is calibrated using a Phenol Red or Buffer 7 solution 1 Shut off the water inlet and outlet from the flow cell 2 Remove the pH sensor and temperature probe from the flow cell 3 Wipe the sensor probe with a dry cloth and submerge it and the PT 100 temperature probe into a cup with the Phenol Red or Buffer 7 solution Wait for the reading to stabilize Note The reading will not stabilize if the temperature probe is not also in the buffer solution 4 Press Menu until pH Calibrated to appears in the LCD display 5 Press OK 6 Enter the password Press the up arrow or down arrow until the password is reached 7 Press OK 8 Press OK again 9 Press the up arrow or down arrow until the value is the same as the value printed on the label of the Phenol Red or Buffer 7 Solution 10 Press OK to save the new calibration or Esc to abort without saving 11 Press Esc to return to the main display ORP Redox Calibration ORP is calibrated using an ORP Standard Solution A standard closest to the normal operating value should be used for calibration 1 Shut off the water inlet and out
87. the TC High Alarm Level Set the CC High Alarm Level AA 0 I Enter the Technician Menu by pressing up and down together Press Menu until Total Chlor ON OFF appears Oo Ol Change to ON the default is OFF Press Menu unit until Chlor Ratio appears N 8 Select the ratio of total chlorine measurements The frequency of total chlorine testing will be based on the chlorine interval and the chlor ratio If the Chlor Ratio is 1 the total chlorine will be tested every cycle If the Chlor Ratio is greater than 1 the Total chlorine will be tested every few cycles For example if the Chlor Ratio is 5 the total chlorine will be tested after every 5 Free chlorine test 9 Perform a system reset to start operating in TC mode 10 Locate the LCD displays in the HYDROGUARD control panel A number should appear in the display TCI 0 00 and will update after the first total chlorine test 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 39 O Blue I Water Technologies 6 2 5 Routine Maintenance 6 2 5 1 Reagent Replacement Reagent replacement should be done after the message Replace DPD3 appears on the LCD Refer to Installing DPD3 Reagent Section 6 2 2 for information on reagent replacement 6 2 5 2 Calibration Calibration of the free chlorine will automatically update calibrate the total chlorine 6 3 pH ORP an
88. the glass end of the probe c Hold the sensor by its metal connector with the glass tube pointing down and insert the glass tube into a hole in the flow cell d Screw the probe into place DO NOT OVERTIGHTEN e Attach the sensor wire onto the probe Replacing the Temperature Probe Turn off the inlet and outlet water to the flow cell and the power to the analyzer Open the doors of both the analyzing module and the control module Remove the four 4 wires from the temperature probe in the control module Remove the old sensor from the reading cell a Unscrew the compression fitting from the temperature probe b Pull the probe up until it clears the fitting Install new sensor a Insert the temperature probe into the fitting b Screw the compression fitting around the probe C Connect wires to pH ORP and the Temp module following color coding Replacing pH Redox and Temperature Module Disconnect the power supply to the unit before opening the control unit 1 2 3 4 Disconnect the flat cable plug from the card Unscrew the four 4 mounting screws Put in the new card and tighten the 4 mounting screws Connect the flat cable plug to the card 6 3 3 Shut down and Winterizing 1 2 3 4 Remove the probe from the flow cell Fill the rubber caps that were on the new probes with tap water or preferably KCI potassium chloride solution and insert over the end of each probe DO NOT use DI water
89. tion the analyzer controller operates Cl dosing systems based on Cl Set Point 1 When Cl Shock mode is turned ON the controller will automatically control the Cl dosing system based on the Cl Shock Set Point This will only affect Cl relay 1 and the 4 20mA Control Output Cl relay 2 will still be controlled based on Cl Set Point 2 Once the Cl Shock Mode is turned ON the controller controls the Cl Shock Set Point for the user selected Duration and then automatically shuts Cl Chlorination Mode OFF Then the controller returns to operating the Cl Set Point 1 To turn on Cl Shock Mode 1 Enter the Cl Shock Set point then press OK 2 Enter the Duration then press OK 3 Turn Cl Shock Mode ON You will also need to adjust the Cl P factor technician menu A low P factor will make slower changes to Cl dosing a high P factor will make faster changes to Cl dosing If you have trouble reaching the Cl set point use a higher P factor If you greatly overshoot the set point use a lower P factor 3 5 3 Input Switches Flow input switch terminal blocks on the I O module allow for three input switches to be connected to the system as additional layers of security against accidental chemical additions when there is no flow If a connection is expected but not detected at each input the analyzer controller will indicate an alarm and will close all relays and open the alarm relay Therefore if a safety switch flow level etc will not be ins
90. ttings in the Operator Menu Each of the parameters in the operator menu is configured in the same way The following procedure describes how to configure a typical setting 1 Locate the desired parameter in the menu a Press Menu until the desired parameter name appears in the LCD display 2 Press OK Enter Password 100 appears in the LCD display 3 Enter the Operator password or technician password both are accepted 4 Press the up arrow or down arrow until the password number is reached Note Holding Menu while pressing up or down will advance the first digit Holding up or down for an extended period of time will proceed through the numbers more quickly The factory set operator password is 123 The operator password can only be changed by entering the current operator or technician password see Technician Menu Setup 5 Press OK to accept the password The parameter s name and current setting appear in the LCD display 6 Press OK again The LCD display shows the parameter and the current setting 7 Enter the new parameter setting a Press the up arrow or down arrow until the desired value is reached b The second row of the menu display below the value that is being changed shows the current value 8 Press Enter to save the new setting or Esc to abort without saving the new setting To change the settings of additional parameters press Menu until the desired parameter appears in the LCD display Repeat ste
91. tween injection of the chemicals and receiving the change in the controller can be very long 30 minutes or more Setting Pump Period Pump period is a single cycle during which the dosing pump operates and then rests Proportional control divides the pump period into two distinct phases active and at rest In general it is recommended to operate in a short cycle i e 00 30 Sec For large systems or if you activate solenoid valves you may consider longer pump periods 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 61 Appendix B Technical Specifications MECHANICAL DATA Dimensions controller WxHxD Dimensions mounting board Cable entries Ingress protection Max ambient temperature Weight Approx ELECTRICAL CONNECTION 670 x 330 x 130mm 26 4 x 13 x 5 1 800 x 550x 5 mm 31 5 x 21 7 x 0 2 Pg 9 Cable Glands IP 65 NEMA 4 equivalent 2 C to 50 C 35 6 F to 122 F 11kg 24 3 Ibs Power supply Power consumption Power supply for RTC 100 115VAC 1A 200 230VAC 0 5A 50Hz 60Hz Approx 60 VA 3 6V Lithium Battery memory DATA SERIAL OUTPUT SIGNAL OUTPUT RS 485 4 20mA Standard 1 Optional 2 4 or 6 RELAYS CL Chlorine set point 1 CL Chlorine set point 2 pH1 Turbidity control 1 General Alarm Temperature control DISPLAY 250VAC DC 4A Max 250VAC DC 4A Max 250VAC DC Max 250VAC DC 4A Max 250VAC DC
92. utput The minimum flow rate flow rate at 4mA output is assumed to be zero The flow meter should now be active Confirm that the flow rate appears on the LCD display If it is not active perform a system reset 6 6 2 Routine Maintenance and Troubleshooting Follow manufacture s recommendations for maintenance procedures and any troubleshooting issues 6 7 Modbus Communication Protocol Note If the HYDROGUARD analyzer is configured for Modbus over Ethernet communication please refer to the setup instructions for this configuration and how to find the HG s IP at http www blueitechnologies com products hydroguard hg 702 Modbus is a serial communications protocol which allows for communication between many devices connected to the same network Modbus is configured via the technician menus 1 To enter the Technician menu press Menu to enter the operator menu and then press the up arrow and down arrow simultaneously until the menu display changes 2 Locate the Modbus com format in the menu a Press Menu until the desired parameter name appears in the LCD display b Press OK Enter Password 100 appears on the LCD display 3 Enter the Technician menu password a Press the up arrow or down arrow until the correct password number is reached b Press OK The parameter name and current setting appear in the LCD display Note The technician menu password is different from the Operator menu password The defau
93. w reagent siphons Attach the four 4 mounting screws Connect the two 2 red wires to the colorimetric module 5 7 3 Replacing the reagent level sensor 1 2 oa eS O Turn the power off to the analyzer Disconnect the two 2 red wires from the reagent level connector on the colorimetric module Unscrew the old sensor by hand and pull out the sensor along with its 2 red wires Install the new sensor by first pushing the 2 red wires into the sensor tube Screw in the sensor by hand Reconnect the 2 red wires to the colorimetric module 5 7 4 Replacing Reagent Pumps 1 Turn the power off to the analyzer 2 Disconnect both pipes from the reagent pump 3 Remove the four 4 mounting screws 4 Disconnect the Red and Blue wires from the Pumps connector on the colorimetric module 5 Install the new pump and reconnect in this order the pipes the 4 screws and the wires to the colorimeter module 6 Turn the reagent pumps on until reagents are injected into the colorimeter cell approximately 90 Sec Note If only the motor is to be replaced the pump head will need to be removed and reattached Please refer to 5 5 1 Replacing Reagent Pump Head and Tubes 18 Ha melacha St Rosh Ha ayin 4809148 Israel Tel 972 9 7680004 Fax 972 9 7652331 www blueitechnologies com 35 5 7 5 Replacing Colorimeter The HYDROGUARD water quality analyzer s colorimeter is a self contained chlorine analyzing cell to determi

HYDROGUARD HG-702 Water Quality Analyzer User Manual

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