PC180 USER MANUAL - Profire Energy, Inc.
Contents
1. 0 5 L day 0 1 gal day Pump 1 H2S Decrease Delay Number of cycles to wait before next injection rate decrease 1 cycle Pump 1 H2S Injection Rate Limit Target Rate limit when decreasing injection 0 L day 0 gal day Optimization Type 2 Allows the optimization type for Pump2 to be selected Available selections are Disabled disabled temperature line pressure or H2S concentration 32 F OC 0 psi 0 kPa he Target Rate to use when the line pressure or temperature depending on the 0 5 G day optimization type is at or below the low pressure or temperature setting for Pump 2 0 L day 2 High Temperature 2 he high temperature to use the min max target injection rate for Pump 2 68 F 40 C High Line Pressure 2 The high line pressure to use the min max target rate for Pump 2 200 psi 1379 kPa High Target Rate 2 The Target Rate to use when the line pressure or temperature depending on 0 3 G day the optimization type is at or below the high pressure or temperature setting for 1 0 L day Pump 2 Pump 2 H2S Increase Rate Injection increase rate when above H2S threshold 0 5 L day 0 1 gal day Pump 2 H2S Increase Delay Number of cycles to wait before next injection rate increase 1 cycle 5 Menu Reference CEE Screen Pump 2 H2S Decrease Rate Target injection decrease rate when below H2S threshold 0 5 L day 0 1 gal day 0 L day Allows the optimization type for Pump3 to be selected Available selections are disabled temperature2. Input 2 is configured to use a temperature sensor the input range of 0 5V 4 5V is translated to 10 C 30 C When Analog Input 2 is configured to use an H2S sensor the input range of 0 5V 4 5V is translated to 0 to 10 ppm Whenever the input voltage goes outside of the expected range the controller will display an up or down arrow to indicate and overrange underrange condition The system may not operate as expected when there is an overrange underrange condition It is recommended that you only use transducer devices recommended by Profire Energy to ensure proper operation COM Ports Each controller is equipped with one communications COM port COM ports are designed to communicate with Modbus devices COM1 is disabled by default but operates as a Modbus Slave when enabled When enabled all of the communication settings for this port are made visible and can be configured by the installer In general the communication settings must be configured to match the settings of the Modbus Master This will allow the master to poll the controller as a slave to retrieve operational data As well the master may also write data to the controller to change settings or to change the controller s state Please refer to your local regulations to determine if an intrinsic safety barrier is required This typically is the case if the communications modem is located in a less hazardous area 2 Installation CENE 3 Controller Overview 3 1 Sta
3. Management controller This information is broken into cycle information daily cycle and cycle log e he menu key navigates to the install menu where the user is required to login The default login is 000 0000 Once logged in a number of sub menus are available Current State Change State Time Remaining Cycle Type Start Time Current Date Current Time lt Figure 7 Install Menu See the Install Menu section for more detail 16 DJ 3 Controller Overview 3 4 Home Screen As soon as the controller powers on if the user presses stop run or if the user presses cancel to back out of the menus the home screen will appear on the display By default this shows the current state of the controller and the time remaining until it switches state As well there are a number of screens available at this same level that show more detailed information Date Time System Security Pump Setup Inputs Outputs Alarms Optimize Modbus Figure 8 Home Screen Structure Scrolling down from the home screen will take you through a number of other screens Information such as the cycle type start time and the current date time are displayed here Pressing select or the right arrow will take you to a screen that allows you to force the controller to change states Current State This screen is shown by default when the controller is powered up It shows the current part of the cycle that the controller and a timer that indic
4. Pulse monitoring system LP Analog 1 Input Pressure Switch Sensor SIG Connect a 2 wire switch to COM SIG or a 3 wire sensor to all DOT Digital 1 Output Pump Pulse Pressure Switch OV 6V three connections to use tank pressure features or connect a 2 Pump Output Pressure Sensor 0 5V 4 5V wire switch COM SIG to monitor Pump Pulses for Pump 2 a AM BEI DU Mee ale Connect COM PWR to use Digital Output 1 CP DP Analog 2 Input Pressure Switch Sensor SIG Connect a 2 wire switch to COM SIG or a 3 wire sensor to all DO Digital 2 Output Temperature Sensor Pressure Switch OV 6V three connections to use line pressure features H2S Sensor Pressure Sensor 0 5V 4 5V Connect a 2 wire switch to COM SIG to use the Aritificial Lift Pump Pulse Temp Sensor 0 5V 4 5V Injection Optimization Pump Output H2S Sensor 1V 5V Connect a 3 wire temperature sensor to all three connections Pump Pulse Alarm PWR DN max 2 5mA to use the Temperature optimization Connect a 2 wire switch COM SIG to monitor Pump Pulses for Pump 3 Connect a 2 wire H2S sensor to use H2S Injection Optimization COM 1 Differential RS485 device Modbus slave connection Upgrade Port Control drawing entity parameters must be adhered to In cases where this table and the control drawings are in conflict the control drawing is to be considered as correct PWR pins can provide up to 2 5 mA while still maintaining voltage within 5 Battery Each controller is shipped with
5. he Low Temperature is the used to define a point at which the Low Temperature Target Rate is achieved Low Temperature Target Rate This rate will be achieved when the Low Temperature is reached High Temperature he High Temperature is used to define the point at which the High Temperature Target Rate is achieved High Temperature Target Rate This rate will be achieved when the High Temperature is reached Operation The temperature optimization feature auto adjusts the target injection rate based on the current temperature each cycle The high and low rate and high low temperature settings are used to define a straight line The current temperature reading is taken at the start of the cycle and the corresponding target rate is determined The following example shows the case where there is an inverse relationship between Target Rate and Temperature This would be used for a chemical such as Methanol where the Target Rate will decrease as the temperature rises 120 100 80 60 40 Target Rate L Day 20 Target Rate vs Temperature 0 5 10 15 20 25 30 35 40 Temperature C 45 Target Rate EEN 4 Controller Operation Figure 13 Inversely Proportional Temperature Optimization Of course the opposite case may be desirable as well By simply changing the relationship between Target Rate and Temperature we can obtain a directly proportional relationship This means tha
6. line pressure or H2S concentration High Target Rate 3 Pump 3 H2S Increase Rate Pump 3 H2S Increase Delay Pump 3 H2S Decrease Rate Pump 3 H2S Decrease Delay Pump 3 H2S Injection Rate Limit 5 Menu Reference The Target Rate to use when the line pressure or temperature depending on the optimization type is at or below the low pressure or temperature setting for Pump The Target Rate to use when the line pressure or temperature depending on the optimization type is at or below the high pressure or temperature setting for Pump 3 Injection increase rate when above H2S threshold Number of cycles to wait before next injection rate increase Target injection decrease rate when below H2S threshold Number of cycles to wait before next injection rate decrease Target Rate limit when decreasing injection 0 5 G day 2 0 L day 200 psi 1379 kPa 0 3 G day 1 0 L day 0 5 L day 0 1 gal day 1 cycle 0 5 L day 0 1 gal day 1 cycle 0 L day 0 gal day Modbus The Modbus menu will only appear if the Modbus feature has been enabled on the controller This feature allows data to be retrieved by a SCADA host remotely This menu contains all of the settings that are available for Modbus communications These settings must match the settings that are used in the SCADA host Table 13 Modbus Menus Screen Modbus Port Sets whether the Modbus port is active or not on It is disabled by default to save Disabl
7. recycle and the number of cycles cut short by a rate change due to artificial lift optimization This defines the gas day cut off When the controller passes this time each day the history for the current day will stop and a new day will start This clears all of the daily log data 5 Menu Reference ER 5 2 Install Menu If security has been enabled users must log in here in order to see the menus below The install menu is entered by pressing the menu hot key The default login is 000 0000 which can be changed in the security menu Date Time This menu allows the date and time to be configured There is also a screen that allows daylight savings time to be enabled The following is list of all of the available screens Table 5 Date Time Screens Date Allows the user to set the current date Jan 1 2000 Day Confirm This confirms the current day of the week when the date is set N A Time Allows the user to set the current time Please note that this is in 24 hr time i e 1 00 pm is 00 00 entered as 13 00 DST Enable If enabled the controller will automatically adjust 2 times a year for daylight savings Disabled og 5 Menu Reference System The System menu provides information specific to the given controller This includes information such as the serial number and firmware version Features can be enabled the display brightness can be adjusted and the controller settings can be reset to factory defaults If any err
8. time allows the operator to set some additional build time to fine tune the system This is only Os displayed if the second pump is enabled Pump Rate 3 This tells the controller what the current rate of the third pump is set to This is only displayed if the 2 0 L day third pump is disabled 5 Menu Reference Target Rate 3 This is the target rate of injection that should be achieved This is only displayed if the third pump is 1 0 L day enabled Pressure 3 This is the process pressure at the injection point The pressure is used to compensate for the super 5000 kPa compressibility of injection chemicals at different pressures This is only displayed if the third pump is enabled Fine Tune Time 3 This time allows the operator to set some additional build time to fine tune the system This is only Os displayed if the third pump is enabled History Menu Cycle Log The cycle log is a history of each cycle that the controller goes through A log entry is written at the end of a cycle which is defined as the point when the controller finishes the Inject Time Therefore the controller will write the first cycle log entry after the controller starts and the initial Inject Time expires Each log entry is stored in persistent memory so that it is maintained through any power disruptions A maximum of 25 log entries will be saved Once this limit is reached new entries are written over top of the oldest entry The following informatio
9. Alarms menu Line Pressure The well may be equipped with a line pressure switch or sensor This device simply allows for the monitoring and reporting of line pressure so that it can be watched or trended to ensure that the pump is in fact pushing chemical into process High Line Pressure Alarm When a line pressure switch is used the controller can monitor the state of the switch to determine if the pump is injecting chemicals When the switch trips the controller will force the pump into the Recycle state The controller will remain in the Recycle state until the switch resets This alarm can be configured in the Alarms menu DEL 4 Controller Operation Tank Pressure The well may be equipped with a tank pressure switch or sensor This device simply allows for the monitoring and reporting of tank pressure so that it can be watched or trended Temperature Optimization The PC180 has an advanced temperature optimization feature that will auto adjust the Target Rate for a given pump This allows the pump rate to be automatically adjusted for chemicals such as Methanol that should be injected more regularly when the temperature drops or that can be cut back or turned off when the temperature rises There are two different ways for the controller to access the temperature In either case the same algorithm is used Temperature Source The temperature can be acquired from one of the following sources e the controller s internal temperature s
10. Injection Time 2 Recycle Time 2 Figure 12 Dual Pump Controller States Perpetual Inject Press the stop button and the controller will stop operation until the run button is pressed The controller is configured to inject by default when the controller is stopped The counter on the screen shows how long the controller has been stopped 4 Controller Operation ER Perpetual Recycle The controller can also be stopped in a perpetual state of recycle To achieve this press and hold the stop button for 3 seconds The controller is still stopped and a counter on the screen indicates the time it has been stopped for but the pump is set to perpetually recycle Pump Pulse Sensor PPS A PPS switch is used to count each pump s pulses the number of strokes each pump has made When a switch is connected to the appropriate pumps PPS input the controller increments the count each time it detects a switch trip from the PPS The controller counts each pump s pulses separately and the count is used to update the cycle log with the total number of pulses that occurred during each cycle The controller also updates the daily logs with the total number of pulses that occurred Pump Pulse Sensor Alarm The controller can monitor all pump pulse sensors and generate an alarm signal when any senor has not detect a pump pulse for a certain number of cycles In an alarm condition the controller will continue to inject This alarm can be configured in the
11. PC180 USER MANUAL CHEMICAL MANAGEMENT SYSTEM Approvals Class Division Groups C and D Class Zone 0 Ex AEx ia ia IIB GA Modbus is a trademark of Modicon Inc Manual content copyright 2015 Extreme Telematics Corporation All Rights Reserved Ver 3 1 2 10 07 15 The PC180 Chemical Management System CMS is an electronic control and monitoring system designed to augment chemical injection pumps found in oil and gas fields This system helps reduce the amount of waste during the chemical injection process The PC180 calculates and manages an optimal chemical injection cycle for the desired injection rate hh add AKR AWARE CEE ini 2 NIE 3 1 2 OVCINIOW fice az Eege 3 2 Installation usa 4 2 1 Mountings aana Kaan Ea AR E EASA REREN ERA 5 2 2 Gas Connections aaa wa jaw ia W wawa wb saw awa da 6 2 3 GrOUnaAINg EE 7 2 4 Electrical Connections 8 3 Controller Overview 12 3 1 Star Up as nz ki EO a o add dag ads biada dd ada 13 3 2 DISpla zo nin iaia 13 3 3 KGYPAd EE 14 3 4 Home Screen E 17 3 5 Status Screens ii 18 4 Controller Operation umbra 20 4 1 Battery Monitor uses wd aa ao ddd iii sis 21 4 2 Controller Configurations ss 22 4 3 Nels Re EE 34 31 EE 36 5 1 Hot Key Meng susza a dad ad waw ewid 37 5 2 I stallIMeR U aw id aaa Dedek 40 6 Modbus Communications owocowa 52 7 Troub
12. a H2S Sensor Range When Analog 2 Input is configured as an H2S sensor this defines the range of the sensor 10 0 ppm Sensor Scan Time Defines the rate at which all sensors are read 00m01s Switch Scan Time Defines the rate at which all switches are read 00m01s 5 Menu Reference CER Outputs The Outputs menu allows the installer to configure the behavior of Valve B which enables the dual pump capability Table 10 Outputs Screens Pump 2 Type Allows a 2nd pump to be enabled Disabled E OOOO ARR R sis FA RRT ERRATA the valve position Li E nia EEN Aiea Renan aia EE ees EE EE EE da n Asian ati the valve position sa RAEC ONAR ARIE alici iaia cu eebe as PR E AE A RESPECT aa ernannten n PEER E ERA ET ON W EO RPA RCA o GE gt ZORY RCW RARE RETI i na Bandes EE 5 Menu Reference Alarms These settings determine the behavior of the controller when an alarm condition occurs Table 11 Alarms Screens Low Battery Fail Mode This screen allows the user to configure the behaviour of the controller for this type of failure The user can decide to have the controller fail Closed or Open Closed Inject High Line Pressure Recycle Pump Pulse Sensor Alarm Pump Pulse Alarm Period When a line pressure switch is connected to the analog 2 input this screen allows high line pressure recycle to be enabled All pumps will go into recycle when the line pressure switch has tripped indicating a high line p
13. a lt 70 C X Class I Zone 0 Group IIB ASSOCIATED EQUIPMENT Exia T3 40 C lt Ta lt 70 C X Class Zone 0 Group IIB SOLAR RATINGS COM Drawi 216311 BATTERY Battery Power 6Vdc nom Solar Panel 8Vdc nom ng A o B 2 WARNINGS reference control drawing ET 12001 1012 0000 com for proper installation Use only intrinsically safe battery pack ET 12001 1008 0001 or ET 12001 1008 0002 Do not A 8 remove cover unless area known to be safe B 5 AVIS consulter sch ma de contr lt le ET 12001 1012 0000 COM pour installation appropri e Utiliser seulement batteries ET 12001 1008 0001 ou ET 12001 1008 0002 Ne pas enlever PWR o SE p le couvert si la r gion n est pas sauf SIG S com PWP JD SIG 3 v COM PWR SIG a AUTO VALVE SALES COM CATCH B VALVE O Label P N ET 12001 1010 0102 REV5 Figure 3 Physical Connections The PC180 has a maximum of 3 solenoids and has support for a Line Pressure LP and Modbus Communications COM1 The following table outlines all of the available connections Table 1 Electrical Connections Summary Solar 2 Installation Solar Panel Use only a 1 1 W Profire Solar Panel Valve B Use only an intrinsically safe Profire approved solenoid PAS Digital Input i Connect a 2 wire switch to COM SIG to use the Pump
14. ain new features as well as resolutions to issues found in the product The release notes describe the changes that are available in each release The new software can be downloaded through the communications port whether the Modbus option is enabled or not It is recommended that the controller be removed from the well before the upgrade is performed as the valve operation cannot be trusted during the upgrade Prerequisites The following equipment is required to upgrade the controller e Battery e aptop with a USB port e USB to RS485 converter e atest firmware file Setup 1 Ensure that the USB to RS485 adapter is configured in 2 wire mode 2 Wire the RDA to COM1 A and RDB to COM1 B The GND can be wired to the unlabeled connection on COM1 between A and B but is not necessary 3 Plug adapter into an available USB port 4 Install the drivers that were provided with the USB to RS485 converter Upgrade Procedure 1 Hold the menu button down R IS Plug the battery into the controller Release the menu button If the controller does not enter the upgrade program the previous software that was installed may not include this program Please contact Profire 5 Follow the prompts on the screen to erase the current firmware To abort the upgrade process at this point unplug the battery When prompted to do so download the firmware Open Vision Browse to the latest file provided by Profire Energy Select the ap
15. ates when the state will change Cycle Information This screen shows the information for the last cycle This includes the type of cycle OK Low Battery Operator etc as well as the time that the cycle started 3 Controller Overview Current Date Time This screen simply shows the current date and time If this information is incorrect the user must login and change the date and time in the Date Time menu The date and time is reset back to January 1 2000 when the battery is disconnected Change State The controller can be manually forced into the Inject or Recycle state by performing a manual state change The controller will enter the selected state for a length of time up to 200 days set by the user in this screen This will perform the same operation on all pumps Once the timer expires the controller will go back to Inject and resume normal operation 3 5 Status Screens When active the display will automatically update the status area on the right hand side of the display The information shown is a summary of the current operation of the controller Batt S on ae Ss J Temp Valve Statuses Device Statuses r Figure 9 Status Screens DEK 3 Controller Overview Battery Status This screen shows the current battery voltage with the solar charger disconnected so that it does not influence the reading A battery level indicator is also shown in the top right hand corner to show how full th
16. e Figure 1 Universal Mounting Bracket Wall Stud Mount The universal mounting bracket includes nine holes that can be used for mounting to a wall or stud To mount to a vertical stud use three of the vertically aligned holes For mounting to a horizontal stud use one of the three horizontally aligned holes 2 Installation CHE Pipe Mount The long slots that run horizontally are intended for mounting to a vertical pipe while the vertical slots are intended for mounting to a horizontal pipe Use the appropriate set of slots to secure the mounting bracket with U bolts and pipe clamps Valve Mount Wider shorter slots are provided along the bend to allow the bracket to be secured to a pneumatic valve Remove 2 adjacent bolts from the top of the valve Place the bracket over the holes and push the bolts through the bracket and valve fastening them again 2 2 Gas Connections Each solenoid has 3 different connections which must be connected properly in order for the controller to operate the valve Supply The supply side of the solenoid can be identified by the IN marking that is stamped on the body A 90 degree elbow has been pre installed to make it easier to terminate in the field Clean supply gas must be supplied in order to operate the valve The solenoid is designed to work up to 60 psi but will operate at lower pressures Dual valve assemblies are constructed so that the supply ports of the two solenoids are facing t
17. e battery is If the battery is currently being charged a lightning bolt is shown instead of the battery indicator Solar Status This shows the current voltage as seen on the solar panel input The charger is disconnected during this reading so that it is not influenced by the battery Temperature Status This shows the temperature used by the controller for any optimization It can be the internal temperature sensor with an offset applied or a temperature written from an external Modbus master Valve Status Each enabled valve is shown on these screens The screen shows whether the valve is currently set to recycle open or inject closed Device Statuses If the tank or line pressure is enabled it is shown on this screen 3 Controller Overview CEE 4 Controller Operation The controller configuration can be accessed in two different ways e Through the menu using the display and keypad e Using Modbus over the RS485 communications port The PC180 Modbus Communications User s Guide discusses everything from physical connection to data format and access As such the Modbus communications interface will not be discussed further in this manual When the controller starts up all valves are closed and the controller is put into the Inject state The injection timer starts decrementing Once this timer has expired the controller decides what action to take based on the controller configuration 4 1 Battery Monitor The contro
18. e settings hot key navigates to a special menu that contains all of the settings that are used by the controller These parameters are used to calculate the injection and recycle timers which in turn are used to control the opening or closing of the bypass valve These settings give the installer operator control over target injection rates The following is a list of the settings that are available in this menu Table 2 Settings Screens Pump Rate1 This tells the controller what the current rate of the pump is set to 2 0 L day Target Rate1 his is the target rate of injection that should be achieved 1 0 L day Pressure1 This is the process pressure at the injection point The pressure is used to compensate for the super 5000 kPa compressibility of injection chemicals at different pressures Fine Tune Time1 his time allows the operator to set some additional build time to fine tune the system Os Pump Rate2 This tells the controller what the current rate of the second pump is set to This is only displayed if the 2 0 L day second pump is enabled Target Rate2 This is the target rate of injection that should be achieved This is only displayed if the second pump is 1 0 L day enabled Pressure2 This is the process pressure at the injection point The pressure is used to compensate for the super 5000 kPa compressibility of injection chemicals at different pressures This is only displayed if the second pump is enabled Fine Tune Time2 This
19. e that will adjust the Target Rate in sync with an external Artificial Lift Controller operating a well Using the CP DP input on the PC180 a pressure switch can be used to signal when the well s production valve has been opened or closed The PC180 will adjust the target rate for each pump according to the diagram below INJECT AT RATE 1 WELL CLOSES REMAIN INJECTION RATE 1 WELL OPENS AFTER 10 MINUTES INJECT AT RATE 2 Figure 17 Artificial Lift Optimization The following parameters can be used to configure the PC180 in this mode Each pump has its own set of parameters for injecting chemicals e Production Rate Rate 1 The PC180 will adjust the Target Rate to this rate as soon as it detects the production valve has opened It will continue at this rate for as long as the valve is open and for 10 minutes after it has closed e Shut In Rate Rate 2 The PC180 will adjust the Target Rate to this rate 10 minutes after it detects the well has been shut DIET 4 Controller Operation in i e the production valve has closed The PC180 will continue to inject chemicals at this rate until the production valve is reopened H2S Injection Optimization The PC180 has an advanced optimization feature that will adjust the target rate to achieve a minimal concentration of H2S Using the Analog 2 Input a H2S sensor can be used to measure the concentration of H2S The PC180 will adjust the target rate for
20. each pump according to the diagram below H2S lt THRESHOLD H2S gt THRESHOLD DECREASE INJECTION RATE INCREASE INJECTION RATE WAIT NUMBER OF DELAY CYCLES WAIT NUMBER OF DELAY CYCLES Figure 18 H2S Injection Optimization The following parameters can be used to configure the PC180 in this mode Each pump has its own set of parameters for injecting chemicals e H2S Threshold applies to all pumps The H2S concentration that the PC180 will optimize injection to achieve 4 Controller Operation ER e Pump Increase Rate The PC180 will increase injection by this rate when the H2S concentration is above the H2S threshold e Pump Increase Delay If the H2S concentration is above the threshold the PC180 will wait the specified number of cycles before increasing injection e Pump Decrease Rate The PC180 will decrease injection by this rate when the H2S concentration is below the H2S threshold e Pump Decrease Delay If the H2S concentration is below the threshold the PC180 will wait the specified number of cycles before decreasing injection e Pump Injection Rate Limit The PC180 will not go below this injection rate when decreasing injection 4 3 Digital Outputs The controller is equipped with 1 or 2 digital outputs based on the model that is being used There are a number of different functions that can be achieved depending on how the outputs are configured The fol
21. ed Defines the Modbus station Valid values are 1 to 247 This setting must match the settings on your Modbus master The specific Modbus protocol that is use This can be set to either RTU or ASCII This setting must match the settings on your Modbus master The speed of the serial port This setting must match the settings on your Modbus master Sets the number of data bits in each character This setting must match the settings on your Modbus master The parity of the character This setting must match the settings on your Modbus master The number of stop bits per character This setting must match the settings on your Modbus master Time Format Specifies how time and dates are represented in the Modbus registers Seconds format will utilize one or more registers to show elapsed seconds H M S format allocates separate registers for Hours Minutes and Seconds Please refer to the Modbus Communications User s Guide for more details Seconds 5 Menu Reference dn 6 Modbus Communications The controller is equipped with an RS 485 port which is designed primarily to provide communications to a SCADA system This port provides most of the functions available from the front panel user interface using the Modbus protocol The PC180 Modbus Communication Manual discusses the physical connections communications settings and the available registers 6 Modbus Communications CE 7 Troubleshooting The following outlin
22. ensor e from a SCADA host via a Modbus register e acalibrated external temperature sensor connected to Analog Input 2 When the controller s internal temperature sensor is used an offset can be applied to this reading if the current reading does not accurately reflect the ambient temperature The internal temperature sensor can have an offset that varies from controller to controller and does not account for heating inside the enclosure When the temperature is acquired from a Modbus register the SCADA host is responsible for populating the current temperature The correct Modbus register to use can be found in the Modbus user manual Alternatively using a calibrated external temperature sensor the controller can measure the ambient temperature In any configuration the resultant temperature is then used for the looking up the Target Rate in the Temperature Optimization Optimization Settings The optimization settings for the temperature optimization are used to define a straight line This straight line is then used to cross reference any temperature to a target injection rate If the temperature falls outside the low and high points the low and high target rates are used respectively The target rate can never exceed the pump rate nor can it be less than zero 4 Controller Operation The following parameters show how to define the end points of this line that defines the relationship between Target Rate and Temperature Low Temperature
23. es a number of common issues that may be encountered Table 14 Troubleshooting Guide Issue Cause Resolution The display won t come on when The fuse is blown on the battery the battery is plugged in Battery is unplugged or there is a loose connection Charge the battery as per the directions on the side of the battery If it does not hold a cha tact Profire Energy to purchase a new battery Pressing a button does not he keypad will need to be replaced Please call Profire Energy to arrange produce the desired response for the controller to be repaired The main core of the controller has he controller core must be replaced Please call Profire Energy to been shocked arrange for the controller to be repaired To avoid this always transport the controller board in a static protection bag and avoid touching any exposed connections along the back of the controller without appropriate grounding Cannot Log in to the Setup Menu You have forgotten your operator If the Operator ID has been forgotten use the Installer ID If the Installer installer ID ID has been forgotten Profire Energy can generate a new ID on a per controller basis Controller is sitting in the stopped The battery is low Replace the battery and ensure that the solar panel is connected and state positioned correctly 7 Trouble Shooting ER 8 Support 8 1 Software Upgrade On occasion software upgrades are made available These releases will cont
24. hrough the menu levels or to cancel editing a value e The arrow keys allow the user to move up down and left right in the menu If the display is on a line that has a sub menu associated with it pressing Right will enter the sub menu Conversely pressing the Left arrow will go back one level of menu depth If a field can be edited the Right arrow will put the controller into edit mode If a numeric value is being edited the arrow keys will act as their numeric value instead 3 Controller Overview CH Numeric Keys The numeric keys are used to input new values for numeric fields Examples include entering new pump rates target rates and pressures If a numeric field is not currently being edited then the number keys are ignored Hot Keys The hot keys are provided to take the user to special menus or provide instant action e Pressing stop will send the controller to the Inject Hold state putting the controller in a perpetual state of injection If the stop key is held down for 3 seconds the controller will enter the Recycle Hold state putting the controller in a perpetual state of recycle e Pressing run will start the Injection Management program starting with the injection portion of the cycle e The settings key navigates to where pump rate target rate injection pressure and fine tune inputs are located e The history key navigates to a special menu that shows information about the recent operation of the Injection
25. icates the well is flowing Line Pressure Switch Turn on monitoring of a line switch e Line Pressure Sensor Turns on monitoring of a line sensor The sensor value can be used for line pressure based rate optimization H2S Sensor Enables monitoring of an H2S sensor The sensor value can be used for H2S injection optimization 725 psi 5000 kPa Disabled Disabled Disabled D 5 Menu Reference Temperature Source Selects the source used for the temperature based optimizations Internal e Internal Temperature from the sensor internal to the controller is used e Modbus The temperature is read from the Modbus holding register e Line temperature The temperature will be read from the line temperature sensor on analog 2 This selection is only available when the analog 2 input is enabled as a line temperature sensor Temperature Offset This is an offset that is applied to the internal temperature reading This is required if the OF factory calibration of the temperature sensor was not completed oc Pump Pulse 1 Switch Polarity Configures the type of pump pulse 1 switch to use The controller can detect a Tank Normally Open Pressure trip on a close or open of a switch Detects on a switch close Tank Pressure Range When the Tank Pressure Device Type is sensor defines the range of the sensor 5 0 psi 34 475 kPa Line Pressure Range When the Line Pressure Device Type is sensor defines the range of the sensor 500 0 psi 34475 kP
26. ility of injection chemicals at different pressures This is only displayed if the third pump is enabled This time allows the operator to set some additional build time to fine tune the system This is only displayed if the third pump is enabled The inputs menu allows input devices such as a line pressure switch or sensor to be enabled and configured Table 9 Inputs Screens Digital Input Analog 2 Input Selects the device that is attached to the digital input Available device selections are Disabled No input device is connected Pump Pulse 1 Turns on counting of pump pulses for pump 1 e Selects the device that is attached to the analog 1 input Available device selections are Disabled No input device is connected e Pump Pulse 2 Turns on counting of pump pulses for pump 2 e Tank Pressure Switch Turns on monitoring of tank switch state e Sensor Turn on monitoring of tank pres sensor Selects the device that is attached to the analog 2 input Available device selections are e Disabled No input device is connected e Line Temperature Turns on monitoring of a line temperature sensor on this input This sensor value can be used for temperature based rate optimization e Pump Pulse 3 Turns on counting of pump pulses for pump 3 e Artificial Lift Switch Enables monitoring of a switch used for artificial lift based rate optimization A switch trip indicates the well is shut in A reset ind
27. jection point The pressure is used to compensate for the super 725 psi compressibility of injection chemicals at different pressures 5000 kPa Fine Tune Time 1 This time allows the operator to set some additional build time to fine tune the system Os Pump Rate 2 This tells the controller what the current rate of the second pump is set to This is only displayed if the 0 5 G day second pump is enabled 2 0 L day Target Rate 2 This is the target rate of injection that should be achieved This is only displayed if the second pump is 0 3 G day enabled 1 0 L day Pressure 2 This is the process pressure at the injection point The pressure is used to compensate for the super 725 psi compressibility of injection chemicals at different pressures This is only displayed if the second pump is 5000 kPa enabled Fine Tune Time 2 This time allows the operator to set some additional build time to fine tune the system This is only Os displayed if the second pump is enabled Pump Rate 3 This tells the controller what the current rate of the third pump is set to This is only displayed if the 0 5 G day third pump is enabled 2 0 L day Target Rate 3 This is the target rate of injection that should be achieved This is only displayed if the third pump is 0 3 G day enabled 1 0 L day 5 Menu Reference CEE Pressure 3 Fine Tune Time 3 Inputs his is the process pressure at the injection point The pressure is used to compensate for the super compressib
28. leshooting en seine 54 ippica 56 8 1 Software Upgrade i tite etes 57 8 2 Replacement Parts and Accessories 59 8 3 Technical Support see aa A nsssseesererees 60 9 Acts EGER GI a zda GG 62 1 Introduction 1 1 Purpose This manual is intended to provide all of the information required to set up and operate the PC180 Chemical Management System It also covers basic troubleshooting techniques and support information Assumptions The following assumptions have been made when writing this manual e The reader has some knowledge of the operation of a oil gas well e Acontroller or installed simulator is available as a reference while reading this manual 1 2 Overview The PC180 Chemical Management System is designed to control the amount of chemical being injected by a conventional chemical injection pump In addition the controller can be accessed remotely using the provided Modbus compatible RS485 communications port 1 Introduction CH 2 Installation 2 1 Mounting Each controller is supplied with a universal mounting bracket This bracket is designed to keep the controller away from other surfaces so that the vent can be properly routed As well it provides a number of different mounting configurations to meet any application Mount the bracket to the desired surface securely and then attach the controller to the bracket Studs have been pre pressed into the four corners to make attaching the controller simpl
29. ller samples the battery every 10 minutes monitoring the voltage in order to prevent unpredictable valve operation The battery voltage is reported as one of the following e Normal The controller behaves normally If 6 successive battery samples are below 5 5 V the controller closes all valves and enters the Low state A low battery alarm condition is recorded which is reported in the history e Low If 6 successive samples are above 6 0 V the controller enters the Normal state When entering the Normal state the controller will restart to the Close state for a duration specified by the Close Time parameter During power on or reset and before any valves are opened the battery voltage is sampled The Normal or Low state is entered based upon this sample Low Battery The controller is designed to handle a number of failure conditions most of which have already been discussed If the controller senses that the battery is low it will take action to ensure that the valve s are left in a known state When a low battery condition has occurred the controller will actuate the valve s and go into the Stopped state The controller will remain in this state until the battery has recovered or an operator has intervened The state that the valve is placed in when a low battery condition occurs is based on the Low Battery Fail Mode parameter that is found in the Alarms menu 4 Controller Operation CEE 4 2 Controller Configurations The fol
30. lowing sections describe the various ways that the controller can be configured The configuration may be changed by modifying the parameters that are available through the user interface screens outlined in the preceding sections Stopping the Controller If you wish to stop the controller and hold the valves in a specific configuration for maintenance during installation or at any other time pressing the stop button or pressing and holding the stop button for 3 consecutive seconds will send the controller to stop While stopped the controller will count up to show how long the controller has been stopped for Whenever stopped all pumps will both be put into the same mode If another configuration is required each enabled valve can be toggled in the Menu gt Outputs menu When you are ready to go back to normal operation press the run button This will ensure that all pumps start injecting and the controller returns to normal operation As the controller operates valves will be opened or closed as needed NOTE Valves that had their state changed manually may not be in the right position since a valve is expected to be in a certain position when Inject or Recycle starts Stop Hold Inject Enter the Stop Hold Inject state by pressing stop All pumps will perpetually inject Stop Hold Recycle Enter the Stop Hold Recycle state by pressing and holding stop for 3 consecutive seconds All pumps will perpetually recycle EE 4 Controller Operati
31. lowing sections show some common configurations Mimic Valve The digital outputs can mimic any valve that is enabled on the controller If there is a valve such as Pump 3 that you would like to mimic that is not available first ensure that the Pump 3 is enabled Level By default the output is turned ON 5V when a given value is opened The output is turned OFF OV as soon as the valve is closed This is useful when connecting to a relay The relay is energized when the valve is open allowing devices such as a electric valve to be powered When the valve is closed the power to the relay is removed cutting power to the electric valve En 4 Controller Operation Valve Open Valve Closed Valve Open 5V OV Figure 19 Level Based Valve Output Alarm This feature is used to communicate with other systems when the controller has gone into an alarm state If the controller stops operating because it has a low battery or another alarm condition has caused the internal state machine to shut the well in the output will be turned to ON 5V When the alarm condition is cleared and normal operation resume the output will be turned OFF OV Alarm Cleared Alarm 5V DN Figure 20 Level Based Alarm Output 4 Controller Operation CER 5 Menu Reference 5 1 Hot Key Menus The following menus are available to the operator without logging in Simply press the corresponding hot key to access the menus Settings Menu Th
32. mes available in this same area For example Valve B will be displayed if it has been enabled If pressure devices such as line pressure and tank pressure are enabled their current value will also be displayed Automatic Shut Off To conserve power the display will automatically go to sleep if a key press has not been detected in the previous 30 seconds This time can be modified by the user Automatic Log Out If security is enabled the active user will be automatically logged out if a key press has not been detected in the previous 10 minutes This time can be modified by the user 3 3 Keypad An integrated keypad is included which allows the user to change settings navigate through history and control injection rates The navigation and numeric keys are overlapped to provide both sets of functionality on fewer keys The controller automatically knows what function to use based on the current controller display When in the menus the arrow keys are used When editing a numeric screen the same keys are interpreted as their numerical equivalent 3 Controller Overview INJECTION STOP EB SETTINGS HISTORY PC180 1 A 3 4 P 7 SAR 0 Figure 6 Keypad Layout Navigation Keys The navigation keys are used to move through the menus in the controller and select items from lists e Select is used to enter a sub menu select a field to be edited or save changes made while editing a field e Cancel is used to back up t
33. n is saved for each cycle Table 3 Cycle Log Screens Screen Description Number of Cycles The total number of cycles currently stored in the Cycle Log Cycle Type and Start Time This screen shows the type of cycle that occurred as well as the date and time that the cycle started The cycle type will be one of Current Cycle Normal Low Battery Shutdown Operator Change Startup HEN 5 Menu Reference Screen Description Recycle Duration3 Inject Duration3 Reset Log Daily This value shows the time that pump3 was recycling his value shows the time that pump3 was injecting This clears all of the cycle log data The controller maintains daily production statistics which are written to persistent memory when the current time of day passes the Day Start parameter The following information is available in the Daily History menu Table 4 Daily History Screens Screen Description Date and Total Cycles Operator Change amp Low Battery Cycles High Line Pressure and Artificial Lift Cycles Reset Log Shows the date for the given history record as well as the total number of cycles that occurred during that day The number of cycles that occurred where the cycle was cut short by an operator pressing the run or stop buttons and the number of cycles cut short by a low battery shutdown The numebr of cycles that occurred where the cycle was cut short by controller going into high line pressure
34. o the Replacement Parts and Accessories section for a full list of approved parts Solenoids Each solenoid is supplied with a pre installed connector The connector is not field replaceable as it requires a special tool Press each solenoid connector into either the Sales Valve Valve B or Auto Catch until you hear it click Every solenoid is the same so it does not matter which one is plugged into a particular socket 2 Installation Warning Only Profire approved solenoids can be used with this controller Using any other solenoid or extending the solenoid wires is unsafe Please refer to the Replacement Parts and Accessories section for a full list of approved parts Transducer Inputs Depending on the model the controller comes with two or three inputs These inputs are physically the same and support either two or three wire devices Two wire devices only use the COM and SIG inputs while three wire devices make use of the PWR output as well The PWR output will provide a regulated 5 V output that is used to power the attached device This output is only turned on for a short duration while the sensor is being sampled so measuring the power is not possible If a digital output is enabled the corresponding PWR pin is no longer available to power a transducer As well the SIG input is expecting to see an input of 0 5 4 5 V for pressure transducer types which is translated to the appropriate value by the controller When Analog
35. occurs 8 2 Replacement Parts and Accessories Several replacement parts or accessories are available for purchase These items are listed in the table below with their associated part numbers Please contact Profire for the current price list Table 15 Available Replacement Parts and Accessories ET 00000 0000 0247 1 1 W Solar Panel 6V 1 1W CSA Class 1 Div 2 Intrinsically safe solar panel ET 12001 1008 0001 5 Ah Replacement Battery CSA approved replacement battery with intrinsically safe protection ET 12001 1008 0002 8 Ah Replacement Battery CSA approved replacement battery with intrinsically safe protection ET 12000 1011 0001 Single Valve Assembly 3 8 tubing AMP DUAC Includes a pneumatic valve solenoid 2 3 8 connector NPT elbows an O Ring Nylon Lock Nut and connector ET 12000 1011 0002 Dual Valve Assembly 3 8 tubing AMP DUAC ncludes 2 pneumatic valve solenoids 2 3 8 connector NPT elbows a Tee a 3 8 NPT connector 2 O Rings 2 Nylon Lock Nuts and connectors ET 00000 0000 0230 Valve Solenoid Core ncludes the plastic molded solenoid core and wires ET 00000 0000 0231 Valve Piston and Spring ncludes the internal valve piston and attached spring assembly ET 12000 1009 0003 Battery Bracket Replacement bracket used to retain either battery ati ERO ate EE GESEIS EA ee Bene a PR EE TS an EE SE nadia EE era ce scalini ui ZE from entering unused holes 8 3 Technical Support Contacting Support Su
36. on Single Pump Injection The controller is designed to control the chemical injection process for a single pump in the most basic configuration Inject Injection Time Recycle Time Figure 10 Single Pump Injection In this configuration the valve is opened and closed based on internal calculations that are derived from the pump rate target rate pressure cycle time and fine tune time The calculated Injection Time and Recycle Time are used to determine when to open and close the valve At the start of the cycle the valve is closed and the Injection Time is started When the Injection Time expires the controller moves to Recycle and the Recycle Time is started Once this timer expires the controller moves back to Inject and the valve is closed restarting the cycle 4 Controller Operation Ida Multiple Pump Injection When operating a second or third pump the same cycle time is used for both pumps but each valve is controlled independently so that they can each maintain a different desired rate PC180 Controller Check Valve Valve A GI Valve B Check Valve Figure 11 Dual Pump Injection EE 4 Controller Operation As illustrated below for dual pump operation both pumps are set to start injection at the same time but they switch from inject to recycle independently In this case the injection time for pump 2 is less than that of pump 1 Recycle Time 1 Injection Time 1
37. ors have been reported by the controller they can be found at the end of this menu The following is a list of the available screens Table 6 System Screens Screen Display Level Sets the screen brightness Can be used to save power or adapt to different lighting conditions Reset Error Log The serial number of the controller This is required if features need to be enabled on the controller or it is to be returned for repair This identifies the specific firmware version that is currently running on the controller This is required if issues are reported to Profire Please refer to the release notes for this version to see a list of known issues Shows the current version of hardware This is used to manage different generations of hardware It also helps troubleshoot any future issues that may be linked to a specific version of hardware This will reset all controller settings back to the factory defaults The user will be prompted to confirm this action before the settings are restored This screen will only appear if a detectable error has occurred Some errors will result in the controller restarting This is the first place that should be checked if the controller is restarting itself If there are entries in the error log this screen will appear It allows you to clear the error log You will be prompted to confirm this action 5 Menu Reference CEE Security The Security menu allows the currently logged in use
38. owards each other and are attached with a tee Although two separate solenoids will perform the same function a single supply connection makes installation simpler Valve The valve side of the solenoid can be identified by the CYL marking that is stamped on the body A 90 degree elbow has been pre installed to make it easier to terminate in the field EEK 2 Installation Vent The vent faces towards the back of the enclosure and is threaded so that the appropriate fittings can be attached The vent should be routed according to the appropriate local regulations Figure 2 Valve Solenoid 2 3 Grounding The controller is designed so that the circuit board is isolated from the enclosure and mounting hardware This allows stray voltages to be routed away from the electronics through a ground point If connected correctly there is less chance of damage to the controller in the event of an electrical disruption A ground lug is provided on the bottom left corner of the enclosure It is designed to fit up to 4 AWG wire The enclosure should be grounded according to the appropriate local regulations 2 Installation 2 4 Electrical Connections The following is an outline of the locations that devices can be wired to All connected devices must meet the entity parameters found in the ET 12001 1012 0000 Contro Extreme Telematics Corp Model ET 12001 1007 0002 Serial Number INTRINSICALLY SAFE Exia T3 40 C lt T
39. pport is available from Profire Energy Web Please visit our website at http www profireenergy com Phone Profire Energy support can be contacted via phone at our office in Spruce Grove AB at 1 780 960 5278 Identifying the Issue Please take the time to identify the issue that is being experienced Many issues can be resolved by simply upgrading the controller to the latest software If the issue still persists please try and determine if there is an issue with the software or hardware Here are some common indications of each type of issue MER suor Hardware e Battery is not charging e Some display pixels do not power up e The controller display does not come up and the controller does not draw any current e Akey is stuck Firmware e The controller restarts itself goes back to close at an incorrect time e There are entries in the error log Located in the System menu e Controller behaviour is erratic e The same issue happens across multiple controllers Reporting Software Issues We strive to provide the best software possible that is free of defects As with any controller there may be issues When issues do arise please do the following e Copy down any errors that are found in the error log e Note the controller configuration e Note what was being done on the controller when the issue occurred e Note the serial number and version number of the controller that experienced the issue e Detail instructions on how to repea
40. propriate COM port from the drop down list Click the Connect button Select Download 6 The display on the controller should change to show the status of the download and a progress bar should appear on the screen showing how much code has been downloaded 7 When the download is complete the controller should start normally Upgrade Errors During the download of a firmware image errors may occasionally occur If this does happen simply repeat the procedure again making sure to erase the current firmware If an error occurs multiple times in a row contact Profire Energy The following is a list of errors that may be seen Err 1 Invalid file format The Bootloader found information in the serial stream that did not match the expected format This could be a transmission error or an error with the file Err 2 Dropped Characters While parsing the incoming stream extra characters were detected This typically means that some data was lost MED soo Err 3 Character Buffer Overrun Incoming characters were lost because the controller was too busy processing to service the incoming data Please contact Profire if this occurs Err 4 Flash Buffer Over Run This means that there is a back log saving to the controller Please contact Profire if this occurs Err 5 Character Buffer Under Run The controller was expecting to parse more incoming characters but there are none available Please contact Profire if this
41. r to logout Installers are able to view and change both the Operator and Installer login IDs Table 7 Security Screens Secure Login Allows the installer to add security to the menu If this is disabled no login is requested and none ofthe Disabled following screens are displayed Logout This screen forces a log out The screen will move back to the main status screen when the operator has N A logged out The operator will be required to enter a password to regain entry to the Setup menu Auto Logout Time The amount of time after the last key press that the user will remain logged in 10m00s Operator ID This screen allows the Installer to set an Operator ID This allows another user to have limited access to 000 0000 the Setup menu This screen is only visible to a logged in Installer Installer ID This screen allows the Installer to change the current Installer ID This screen is only visible to a logged in 000 0000 Installer Note If the Installer and Operator IDs are configured to be the same number the user will be logged in as the Installer when using this code 42 2 5 Menu Reference Pump Setup The Pump setup menu allows the installer to define some basic parameters of the controller set up if a custom application is required Table 8 Pump Setup Screens Pump Rate 1 This tells the controller what the current rate of the pump is set to 0 5 G day 2 0 L day Pressure 1 This is the process pressure at the in
42. ressure State This screen allows the user to configure the controller to generate an alarm if any pump pulse sensor does not detect pump pulses Number of cycles Disabled Disabled 5 Menu Reference Optimize These settings are used to configure Temperature Line Pressure Artificial Lift Optimization and H2S Optimization Table 12 Optimize Screens Screen Artificial Lift Optimization Allows Artificial Lift Optimization to be enabled for all pumps Disabled 0 3 G day Allows the optimization type for Pump1 to be selected Available selections are disabled temperature line pressure or H2S concentration The Target Rate to use when the line pressure or temperature depending on the optimization type is at or below the low pressure or temperature setting for Pump 0 5 G day 2 0 L day MD 5 Menu Reference High Line Pressure 1 The high line pressure to use the min max target rate for Pump 1 200 psi 1379 kPa High Target Rate 1 The Target Rate to use when the line pressure or temperature depending on 0 3 G day the optimization type is at or below the high pressure or temperature setting for 1 0 L day Pump 1 Pump 1 H2S Increase Rate Injection increase rate when above H2S threshold 0 5 L day 0 1 gal day Pump 1 H2S Increase Delay Number of cycles to wait before next injection rate increase 1 cycle Pump 1 H2S Decrease Rate Target injection decrease rate when below H2S threshold
43. rt Up On power up the controller is initialized by performing the following operations e oad all previously saved values e Close all valves e Turn on the display e Set the display to show the current controller state as the latest device status information The controller automatically enters the Inject state when powering up and begins counting down 3 2 Display A Vacuum Fluorescent Display VFD is provided which consists of 2 lines x 16 characters Each character is a 5x7 dot matrix with a full underline bar The display is partitioned into 2 areas with an unused column between them for spacing U ds Menu Area pe Status Area 0000000 0000000 0000000 0000000 0000000 00000 00000 00000 00000 00000 00000 00000 00000 00000 0000 00000 00000 00000 00000 00000 a M D D D D D D aD ND D CD CD ED ED 00000 00000 00000 00000 00000 00000 00000 Figure 5 Screen Layout 3 Controller Overview CH Menu Area The content of the Menu Area 2 x 10 characters shows the current state of the controller on start up This area will change based on user keypad interaction The current state information as well as the setup menu is available in this area Status Area The Status Area 2 x 5 characters constantly rotates through all enabled inputs and outputs By default this includes the battery voltage as well as the state of the Sales Valve As other options are enabled on the controller additional information beco
44. sed to define the point at which the High Line Pressure Target Rate is achieved e High Line Pressure Target Rate This rate will be achieved when the High Line Pressure is reached Operation The line pressure optimization feature auto adjusts the target injection rate based on the current line pressure each cycle The high and low rate and high low line pressure settings are used to define a straight line The current line pressure reading is taken at the start of the cycle and the corresponding target rate is determined The following example shows the case where there is an inverse relationship between Target Rate and Line Pressure Target Rate vs Pressure 120 100 Figure 15 Inversely Proportional Pressure Optimization Target Rate L Day Target Rate L Day 0 50 100 150 200 250 300 350 400 450 Pressure psi 4 Controller Operation Of course the opposite case may be desirable as well By simply changing the relationship between Target Rate and Line Pressure we can obtain a directly proportional relationship This means that the Target Rate will increase as the Line Pressure increases This is shown below Target Rate vs Pressure 100 Figure 16 Directly Proportional D _ Pressure Optimization ww Target Rate L Day Target Rate L Day 0 50 100 150 200 250 300 350 400 450 Pressure psi 4 Controller Operation E Artificial Lift Optimization The PC180 has an advanced optimization featur
45. t the Target Rate will increase as the Temperature increases This is shown below Target Rate vs Temperature 120 100 D 80 2 60 Figure 14 Directly Proportional re Temperature Optimization Bo E 40 20 0 0 5 10 15 20 25 30 35 40 45 Temperature C Line Pressure Optimization The PC180 has an advanced pressure optimization feature that will auto adjust the Target Rate for a given pump This allows the pump rate to be automatically adjusted as the line pressure rises or falls This optimization method is only available when Analog Input 2 is configured as a Line Pressure sensor Optimization Settings The optimization settings for the line pressure optimization are used to define a straight line This straight line is then used to cross reference any pressure to a target injection rate If the pressure falls outside the low and high points the low and high target rates are used respectively The target rate can never exceed the pump rate nor can it be less than zero The following parameters show how to define the end points of this line that defines the relationship between Target Rate and Pressure 4 Controller Operation CES e Low Line Pressure he Low Line Pressure is the used to define a point at which the Low Line Pressure Target Rate is achieved e Low Line Pressure Target Rate This rate will be achieved when the Low Line Pressure is reached e High Line Pressure The High Line Pressure is u
46. t the issue if possible Repair Process Please contact Profire Energy and arrange to have the controller repaired Please be ready to explain the issues that are being experienced A detailed account of the problem will be required so that the issue can be addressed in a timely fashion Returned controllers will take approximately 4 6 weeks to be diagnosed and repaired 9 Acronyms ADC Analog to Digital Converter VI Virtual Input www profireenergy com 2014 PROFIRE
47. the battery disconnected to save the life of the battery and ensure that the product has enough energy to operate before requiring solar charge Simply plug the pre installed battery connector into the spot marked BATTERY The connector is not field replaceable as it requires a special tool The battery should be plugged in before connecting the solar panel Warning Only Profire approved batteries can be used with this controller Protective components must never be bypassed as it is unsafe to do so Please refer to Replacement Parts and Accessories section for a full list of approved parts 2 Installation CEE Solar Panel The solar panel is optional but will ensure that the battery is topped up and that operation of the controller is not interrupted due to a low battery condition 1 Install the solar panel in a location where it will face the sun throughout the day 2 Connect a pair of wires to the terminals on the solar panel 3 Ensure that the battery is connected 4 Connect the other end of the pair so that the minus terminal on the solar panel is connected to the SOLAR COM input on the controller Likewise the plus terminal on the solar panel must be connected to the SOLAR input on the controller P Alm 3 MM Figure 4 Solar Panel Warning Only Profire approved solar panels can be used with this controller ca e Panels that operate at higher voltages or current are unsafe and cannot be used e Please refer t
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