Appendix A Flow Meters - Rain Master Control Systems
Contents
1. Pipe Size Pipe Pipe Evolution Evolution Min Min O D in LD in Satellite Satellite Flow in Flow in Inches Inches K Value Offset GPM GPM for Full Scale 16 inch 10S 6 00 15 500 43473 17937 300 9000 Sch 20 6 00 15 375 42791 17495 300 9000 Std Wt Sch 30 16 00 15250 42115 17100 300 9000 Ex Strong Sch 16 00 15 000 40785 16331 300 9000 40 Sch 60 6 00 14 688 39163 15388 300 9000 Sch 80 6 00 14314 37278 14332 300 9000 18 inch Sch 8 00 17 500 55348 25847 350 10000 10S Sch 20 8 00 17 375 54553 25271 350 10000 Sch 30 8 00 17124 52979 24145 350 10000 Std Wt 8 00 17250 53765 24705 350 10000 Sch 40 8 00 16 876 51451 23110 350 10000 Sch 60 8 00 16 500 49187 21632 350 10000 Extra Strong 8 00 17 000 52211 23599 350 10000 Sch 80 8 00 16126 46997 20140 350 10000 Page 252 Appendix Flow Meters Rain Master Irrigation Systems DX2 User Manual SENSOR TERMINAL BOARD PCI NSICE CONTROLLER CCCCCCCCCCCCC cccc CC DWGESTOR venant 97 c SPLICE wFES WITH 6 475 E WATERPEOGE 4 m A CONNECTORS 2009000000000 900900000000 NO VALVES REDUCERS ELEOWS N THIS AREA FOR 3 FLOW SENSOR DIMENSION MINIMUM 30 DIMENSION MINIMUM 15 Upon completion of the physical installation of the flow sensor complete the wiring connection from the f2. Flow Limit Violation Examples Overflow in Controller Main Line Break Assume the maximum controller flow rate is 500 GPM A main line break occurs while attempting to water station 7 The break results in a flow of 750 GPM following warning message is displayed as well as the station number and GPM reading WARNING MAIN FLOW MV 5 20 96 11 48 STA 7 MV1 GPM 750 Figure 179 Warning Main Flow The MV 1 in the second line represents the Master Valve 1 To access the warning report from the base menu press F2 WARNING Note Break between Flow Sensor and First Station Assume that a line breaks between the flow sensor and the first valve When the break occurs no watering will take place The following entry would be placed in the warning list WARNING UNSCHED LIMIT 05 20 96 12 05 GPM 65 Figure 180 Warning Unsched Limit Note This situation may also be caused by a valve that fails to close Appendix A Flow Meters Page 245 Rain Master Irrigation Systems DX2 User Manual Station Overflow Assume station 2 has an upper limit of 300 GPM A broken line occurs resulting in a 400 GPM flow The following entry is placed in the warning list WARNING FLOW UP LIMIT 05 20 96 12 05 STA 2 MV1 GPM 400 Figure 181 Warning Flow Up Limit Station Under Flow Assume station 2 has a lower limit of 100 GPM The line to station 2 is clogged resulting in a flow reading of 53 G
3. TEE MOUNTED SENSORS Current Production Models Series 228PV 228 BR 228 CB 228 CS 22855 250BR Data Apparent Evolution Evolution Min Max Industrial ID Satellite Satellite Design Design Model K Value Offset Flow Flow GPM GPM 228PV 1 5 1 50 457 0 5 100 228PV 2 1 94 776 104 10 200 228 3 4 02 2268 483 20 300 228 4 5 15 3752 834 40 500 228BR 2 1 99 750 0 10 100 228BR 2 5 2 52 1021 370 16 160 228CB 2 2 07 777 199 12 120 150 PSI Tee 2 07 777 199 12 120 400 2 10 711 167 12 120 228 2 5 2 51 1021 265 16 160 228CS 2 2 07 767 199 12 120 22888 2 1 99 750 0 10 100 250BR 0 5 None 92 8 0 8 8 250BR 0 75 None 119 64 1 10 250BR 1 1 05 109 27 2 40 250BR 1 25 1 38 209 32 3 60 250BR 1 5 1 61 291 24 4 80 Page 246 Appendix A Flow Meters Rain Master Irrigation Systems DX2 User Manual OBSOLETE OR OLDER MODEL FLOW SENSORS Series 220P 228B 228CB 250B 228PF 228PD 228 5 22855 IR220P IR228B IR228CB IR250B IR228CS IR228SS Data Apparent Evolution Evolution Min Max Design Minimum Industrial ID Satellite Satellite Design Flow Recommended Model K Value Offset Flow GPM Full Scale GPM GPM 220P 1 0 96 FM 70 25 2 20 5 92D 220P 1 5 1 50 FM 505 107 8 180 40 92D 220P 2
4. 194 FM 744 273 13 250 50 92D 220 3 4 02 Any 2268 483 35 700 160 220P 4A 5 15 Any 4191 975 65 1200 300 220P 6A 228PD 1 0 96 FM 70 26 2 20 5 92D 228PD 1 5 1 50 FM 505 107 8 180 40 92D 228PD 2 1 94 FM 744 273 13 250 50 92D 228PF 1 5 1 71 569 279 228 2 2 21 1075 185 228PF 3 2 98 1512 841 228PF 4 2 99 2814 1911 228PF 6A 228B 2 1 99 FM 750 0 0 250 50 92D 228B 2 5 2 52 1022 370 6 400 75 228 2 2 07 767 198 2 250 50 92D 150 PSI 2 07 FM Tee 93A 400 PSI 2 10 FM 711 167 2 250 50 910 228 2 5 2 51 1021 265 6 400 18 228 5 2 2 07 FM 767 198 3 250 50 92D FM 93A 22855 2 1 99 750 0 0 250 50 920 250 1 1 05 FM 113 47 2 45 8 93A 250B 1 25 1 38 FM 209 32 3 90 15 93A 250B 1 5 1 61 FM 291 24 4 100 20 93A Appendix A Flow Meters Page 249 Rain Master Irrigation Systems DX2 User Manual Rain Master K and Offset Value For Data Industrial Flow Sensors Pipe Size Pipe Pipe Evolution Evolution Min Min O D in LD in Satellite Satellite Flow in Flow in Inches Inches K Value Offset GPM GPM for Full Scale 3 inch Sch 105 3 5 3 260 1368 115 12 400 Std Wt Sch 40 3 5 3 068 1191 70 12 400 Ex Strong Sch 80 3 5 2 900 1053 42 12 400 PVC Class 125 35 3 284 1391 121 12 400 PVC Class 160 3 5 3 230 1338 107 12 400
5. PVC Class 200 35 3166 1278 91 12 400 4 inch Sch 105 45 4 260 2620 592 20 600 Std Wt Sch 40 4 5 4 026 2277 489 20 600 Strong Sch 80 45 3 826 2008 354 20 600 PVC Class 125 4 5 4 224 2565 577 20 600 PVC Class 160 45 4 072 2361 554 20 600 PVC Class 200 4 5 4 072 2342 525 20 600 5 inch 108 5 563 5 295 4451 1044 30 900 Std Wt Sch 40 5 50 5 047 4006 932 30 900 Ex Strong Sch 80 5 50 4 813 3594 829 30 900 6 inch 105 6 625 6 357 6576 1603 50 1500 Std Wt Sch 40 6 5 6 065 5890 1419 50 1500 Ex Strong Sch 80 6 5 5 761 5312 1265 50 1500 PVC Class 125 6 625 6217 6239 1509 50 1500 PVC Class 160 6 625 6 115 5997 1445 50 1500 PVC Class 200 6 625 5 993 5752 1381 50 1500 8 inch Sch 105 8 625 8 329 1989 3215 80 2500 Sch 20 8 625 8 125 1371 3018 80 2500 Sch 30 8 625 8071 1210 2975 80 2500 Std Wt Sch 40 8 625 7 981 10943 2884 80 2500 Sch 60 8 625 7 813 0453 2735 80 2500 Ex Strong Sch 80 8 625 7 625 9914 2566 80 2500 PVC Class 125 8 625 8 095 1281 2994 80 2500 PVC Class 160 8 625 7 961 0884 2868 80 2500 PVC Class 200 8 625 7 805 0429 2729 80 2500 Page 250 Appendix A Flow Meters Rain Master Irrigation Systems DX2 User Manual Rain Master K and Offset Value For Data Industrial Flow Sensors Pipe Size Pipe Pipe Evolution Evolution yg Min opze LD in S
6. PM The following entry is placed in the warning list WARNING FLOW LOW LIMIT 05 20 96 1 35 STA 2 MV1 GPM 53 Figure 182 Warning Flow Low Limit Monthly Water Limit Exceeded The controller has exceeded its monthly watering allocation The Water Limit message is placed in the warning list WARNING WATER LIMIT 05 20 96 1 35 STA 3 MV1 Figure 183 Warning Water Limit Page 246 Appendix A Flow Meters Rain Master Irrigation Systems DX2 User Manual This problem cannot be cleared from the report until the water limit is set to a higher value or until a new month begins Multiple Stations with Non Overlap Protection The Evolution DX2 controller allows the user the capability of turning on several stations simultaneously When flow meters are used in this environment the individual station limits are summed and compared to the total flow rate Therefore you must set up limits for each station to insure that flow limit checks are performed properly Example Assume the upper limit for station 1 is 80 GPM and the upper limit for station 2 is 50 GPM If both stations are on the controller adds these limits problem is reported if the flow exceeds the total of 130 GPM 80 GPM 50 GPM Appendix A Flow Meters Page 247 Rain Master Irrigation Systems DX2 User Manual Table 4 Rain Master K and Offset Value Rain Master K and Offset Value For Data Industrial Flow Sensors CALIBRATION TABLE
7. Rain Master Irrigation Systems DX2 User Manual Appendix A Flow Meters The Evolution DX2 series controller provides a variety of user configurable flow related features for either one or two flow sensors referred to as Flow 1 and Flow 2 The Evolution DX2 flow features capabilities include e Display of instantaneous flow rate in gallons per minute GPM for Flow 1 Flow 2 and total Flow 1 Flow 2 Flow rates are updated every ten seconds e Display of monthly flow accumulations in gallons for Flow 1 Flow 2 and total Flow 1 Flow 2 Flow accumulation in gallons is updated every minute e Automatic termination of watering based upon flow limit violations o Main line flow rate for controller GPM o Maximum flow rate per station GPM o Minimum flow rate per station GPM o Maximum flow accumulation per month gallons o Unscheduled flow rate for controller GPM e Automatic condemnation and reporting of stations violating flow limits Warning information is provided in the Field Maintenance Activity and Troubleshooting section of the manual lt BS se EK E Rn e Automatic establishment of station upper and lower flow limits learn mode Page 232 Appendix A Flow Meters Rain Master Irrigation Systems DX2 User Manual Flow Meter Operation Overview In order to display flow rate and or flow accumulation data a Insure flow sensor meter has been properly conne
8. are two options available STOP WATERING and GIVE WARNING See Chapter 4 Setup for details on selecting each option The system default is GIVE WARNING If the stop watering option is selected the problem is reported in the warning list and watering stops Watering is restarted when e The limit is changed to a larger value e The limit is changed to None e A new month begins If the Give Warning option is selected a warning is reported in the warning list and watering continues Unscheduled Flow Limit Unscheduled Flow Limit is defined as any water flow that is not programmed or under the control of the controller If a water flow is greater than the limit and no stations are on the controller will shut down the water supply until the condition is corrected Unscheduled Flow conditions may be due to broken water lines defective valves faulty solenoids and etc Page 236 Appendix A Flow Meters Rain Master Irrigation Systems DX2 User Manual The Unscheduled Flow procedure is given in the Controller Setup section of Chapter 4 The default limit is 200 GPM Enabling and Disabling Flow Limit Checking Once the station limits have been established the flow limit checking upper and lower limits may be enabled or disabled When upper limits have been enabled all station upper limits as well as the monthly water limit will be validated When lower limits have been enabled all station lower limits will be validated on an
9. atellite Satellite Flow in Flow in Inches Inches Value Offset GPM GPM for Full Scale 10 inch Sch 10S 10 75 10 420 9163 5768 25 4000 Sch 20 0 75 10 250 8473 5509 25 4000 Sch 30 0 75 10 136 8037 5345 25 4000 Std Wt Sch 40 10 75 10 020 17622 5187 25 4000 Ex Strong Sch 0 75 9 750 6657 4827 25 4000 60 Sch 80 0 75 9 564 6010 4594 25 4000 PVC Class 125 0 75 10 088 7863 5276 25 4000 PVC Class 160 0 75 9 924 7275 5054 25 4000 PVC Class 200 0 75 9 728 6580 4804 25 4000 12 inch 105 2 75 2 390 28566 9831 75 5000 Sch 20 2 75 2250 27997 9556 75 5000 Sch 30 2 75 2090 27122 9156 75 5000 Std Wt Sch 405 12 75 2 000 26638 8943 75 5000 Sch 40 2 75 1 938 26309 8783 75 5000 Sch 60 2 75 1 625 24690 8057 75 5000 Extra Strong 2 74 11 750 25328 8336 75 5000 Sch 80 2 75 1 376 23457 7523 75 5000 PVC Class 125 2 75 1 966 26457 8857 75 5000 PVC Class 160 2 75 1770 25430 8304 75 5000 PVC Class 200 2 75 1 588 24254 7869 75 5000 14 inch 105 4 00 3 500 33390 12242 200 6000 Sch 20 4 00 3 375 32819 11941 200 6000 Std Wt Sch 30 14 00 13 250 32255 11645 200 6000 Sch 40 4 00 3124 31694 11353 200 6000 Sch 60 4 00 2 814 30343 10699 200 6000 Extra Strong 4 00 13 00 31149 9639 200 6000 Sch 80 4 00 2 50 29027 10041 200 6000 Appendix A Flow Meters Page 251 Rain Master Irrigation Systems DX2 User Manual Rain Master K and Offset Value For Data Industrial Flow Sensors
10. ay select which meter is used for limit checking Alternately you may check the total flow from both meters See Chapter 4 Setup for details Flow Meter Reading Procedure To observe flow meter readings from the base menu Step 1 Advance to the Measurements Options screen as follows iS F1 Main Menu l F3 Status F2 Measurements Figure 175 Measurement Options Step 2 Select FIZFLOW METER The meter flow readings for Flow 1 and Flow 2 are shown in Gallons Per Minute Readings are updated every 10 seconds Appendix A Flow Meters Page 241 Rain Master Irrigation Systems DX2 User Manual FLOW 1 GPM 55 TOTAL GPM 205 FLOW 2 GPM 150 Figure 176 Flow Meter Readings Page 242 Appendix A Flow Meters Rain Master Irrigation Systems DX2 User Manual Reading Monthly Water Totals Procedure To read the monthly water totals from the base menu Step 1 Advance to the Status Options screen as follows ri Main Menu F3 Status F1 COMM STATUS MEASUREMENTS 2 EWATER TOTAL F4 Figure 177 Status Options Step 2 Select TOTAL then select F1 TOTALS PAST MONTH FLOW 1 PAST 600 TOTAL GPM 900 FLOW 2 PAST G 300 Figure 178 Water Total The past month total gallons for Flow 1 and Flow 2 are shown Step 3 Select FZZTOTALS PRESENT MONTH The total present month gallons for Flow 1 and Flow 2 are sho
11. cted Refer to Flow Sensor Installation Instructions b Establish the appropriate flow calibration criteria see Flow Meter Offset and K Values In order to establish flow limit checking either on a controller or individual station basis verify the following c Steps a and b above have been performed d Station Upper Limits have been established see Max Flow Limit e Station Lower Limits have been established see Flow Limit page or Auto Limits f Mainflow limits have been established see Main Flow 6 Total Monthly Flow has been set see Flow Options h Unscheduled Flow Limit has been defined see Unscheduled Flow Limit i The upper and lower limit checking is enabled see Enable Disable Limit Checking j The appropriate flow limit check delay has been established see Delay Limit k Selection of either one or two flow meters see Flow Meter Compare Limits Appendix A Flow Meters Page 233 Rain Master Irrigation Systems DX2 User Manual Flow Reading Accuracy Since the Evolution DX2 controller has been designed to work directly with flow sensors the accuracy of the actual readings are limited only by the flow sensor devices Typical accuracy values are approximately 1 Flow Meter Offset and K Values Each flow meter installation must include entry of the offset value and K values for proper calibration of the meter Use the following table to determine the appropriate value
12. individual station basis See Chapter 4 for the steps to enable or disable station flow limit checking The default setting for limit checking is DISABLED for all stations When they are disabled no limit checking is performed However the GPM flow and total monthly flow readings are unaffected Delaying Flow Rate Limit Checking Due to drainage of water lines the initial flow rate for a station may be much higher than the station steady state condition To prevent erroneous station fault detections the controller delays a period of time after a station is turned on before making flow rate limit checks This delay may be set from 1 to 6 minutes The system default for delay of limit checking is two 2 minutes To establish the proper delay monitor the GPM flow rate for each station in the irrigation program 5 See Chapter 7 for details on monitoring GPM rates Appendix A Flow Meters Page 239 Rain Master Irrigation Systems DX2 User Manual Observe which station takes the longest time for its GPM rate to settle Round this time period to the next minute and use this rounded value as the flow rate limit check delay Warning This delay value establishes the amount of time in which a main or station line break can be detected and subsequently shutdown Page 240 Appendix A Flow Meters Rain Master Irrigation Systems DX2 User Manual Limit Checking with Two Flow Meters When two flow meters are used you m
13. law sensor to the DX2 controller by following the procedure below 1 TURNTHE POWER OFF AT THE CONTROLLER 2 Atthe Flow Sensor Connect the BLACK wire of the Flow Sensor to the BLACK wire of the EV CAB SEN sensor cable Connect the RED wire of the Flow Sensor to the WHITE wire of the EV CAB SEN sensor cable Use the weatherproof connectors provided with the Flow Sensor to make the splice 3 At the controller Connect BLACK wire of EV CABSEN to INPUT 1 of the SENSOR TERMINAL BOARD PC DX2ST Connect WHITE wire of EV CAB SEN to INPUT 1 of the SENSOR TERMINAL BOARD 25 4 Turn POWER ON at the Controller 5 Set the Rain Master and OFFSET values for the Flow Sensor at the controller based on the type and size of the Flow Sensor installed REFER TO THETABLE PROVIDED WIT HT HE FLOW SENSOR FOR CORRECT AND OFFSET FOR YOUR APPLICATION Figure 184 Flow Sensor Installation Appendix A Flow Meters Page 253
14. roller compares the flow meter reading to the station limit If the meter value is less than the limit an error condition is detected To detect a mis adjusted valve or clogged line enter a relatively small but non zero lower limit The system default value for lower station limit is 0 zero GPM Main Flow Limits Enter the Main Flow Limit as described in the Main Flow procedure in Chapter 4 The controller compares the flow meter reading to controller main line station limit If the meter value is greater than the limit an error condition is detected The system default value for controller main line limits is 2000 GPM The Main Flow upper limit should be set higher than the total of all simultaneously on stations However this limit should be lower than the anticipated flow rate from a main line break In Flow Max systems the total water consumption of all participating controllers is calculated into the Main Flow limit Appendix A Flow Meters Page 237 Rain Master Irrigation Systems DX2 User Manual Total Monthly Flow Limit Enter a maximum monthly flow limit as described in Chapter 4 The controller compares the accumulated monthly flow to maximum monthly flow limit If the accumulated flow is greater than the limit an error condition is detected The system default value for maximum monthly total is NONE When NONE is selected no monthly flow checking is performed If the monthly limit is exceeded there
15. s for your installation Page 254 Appendix A Flow Meters DX2 User Manual Rain Master Irrigation Systems Table lon Calibrat Tee Mounted Sensors Flow Sensors Table 3 LdN TILOOS ON 3184 10998 2 4 your c uir e ppes edid sermbos SIWA 91482 aas 154 007 TIED A SPUL op oE SDHASNIS 89 dr ou s res Zeie ISd 001 Wd 00 lt 0 youl 007 57 dis esr 8977 459 INd5 00 04 e 00 lt 5 ISd 001 dis ror 9LL 007 01 2 002 57 ISd 001 dis 0 Let 89 Wd 00r S youl Tm 0 lt 1 5 ISd 001 Kat OLE 154 002 INd5 091 91 youl z4 c 08 9 8 s1o depe joddoo 9zuo1g 0 OSL 154 002 Wd 001 01 yur q 0024 54 LWJ LAN LAN 9zuo1g rc 162 154 007 Wd 08 t 0 lt 1 541 PUJ LAN 9zuo1g TE 60 184 007 09 SIS PUJ 9zuo1g LC 601 154 00t 0 0074 54 REISE AZIS 4 Laudo ONILVMS O OLLOSNNOO mor WAWIX VINI qalsdoons Hdld SHOSNAS MOTH NALSVIN NIVA Page 235 Appendix A Flow Meters Rain Master Irrigation Systems DX2 User Manual Data Industrial Tee Mounted Sensors Complete calibration tables for Tee mounted sensors are listed at the end of this appendix Flow Limi
16. t Checking To perform limit checking the controller computes a Gallon Per Minute GPM flow rate based upon the total gallons used in the previous 60 seconds Limit checks are then performed on the following e Station upper limit e Station lower limit e Main flow limit e Total monthly flow limit e Unscheduled flow limit Each station limit can be automatically established by the controller or manually entered Details about each limit are given below Warning Limit checking is only performed when either the upper and or lower limits have been ENABLED Station Upper Limit Enter an upper flow limit for the station as described in Chapter 4 The controller compares the flow meter reading to the station limit If the meter value is larger than the limit an error condition is detected Page 236 Appendix A Flow Meters Rain Master Irrigation Systems DX2 User Manual The suggested upper limit flow rate should be set to the nominal flow rate for the station 20 The system default value for upper station limit is 500 GPM Obtain the nominal flow rate from the controller display see Chapter 7 for the steps in displaying flow rate You should allow adequate settling time for the flow meter readings before obtaining the nominal flow rate Upper station limits should be increased if water pressure varies greatly Station Lower Limit Enter a lower flow limit for the station as described in Chapter 4 The cont
17. wn To update the totals press the Up Arrow key and select F2 again Appendix A Flow Meters Page 243 Rain Master Irrigation Systems DX2 User Manual When a Flow Limit Violation is Detected Upon detection of a flow limit violation Evolution DX2 performs the following actions 1 Terminate Irrigation For a faulty station immediate termination of irrigation for that station The program will automatically advance to the next station in the program If a main line fault is detected immediate termination of all irrigation programs The Normally Open N O Master Valve terminal is energized with 24 VAC Any and all future automatic irrigation will not occur until this warning is cleared from the controller If the monthly watering allocation has been exceeded immediate termination of all irrigation on a per program basis occurs If an unscheduled flow condition is detected the Normally Open N O Master Valve terminal is energized with 24 VAC Any and all future automatic irrigation will not occur until this warning is cleared from the controller Entry of the problem in the Warning Report list All faulty stations are added to a condemned station list No watering will occur until the problem is corrected To remove a station from the condemned list delete the problem entry from the warning report see Chapter 10 Page 244 Appendix A Flow Meters Rain Master Irrigation Systems DX2 User Manual
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