Toro TMC-424E Series User's Manual
Contents
1. TMC 424E Toro Modular Controller 4 to 24 Stations Count on it HL IL AL on a l 0 a Il 0000 OFF l O000 0000 0000 j PREV NEXT gt STATION TIMES START TIMES CALENDAR MANUAL PROGRA nig x J LESAN ODD EVEN User s Guide Installation e Programming Operation Introduction The TMC 424E Series takes modularity to a whole new level Toro s advanced modular technology combines sophisticated features with simple operation to provide a customizable controller Station count can be 4 24 stations using four or eight station modules Real time flow sensing monitors up to three independent sensors and is compatible with the Toro TFS Series flow sensors Versatile run times allows for additional watering flexibility Add this together with features like two levels of surge protection compatibility with the TMR 1 Maintenance Remote the rugged dual use cabinet and convenient program review feature and you really do have the ultimate in controller Hexibility TMC 424E controller features e Advanced hybrid control module featuring easy to use dial interface e Non volatile memory retains program data without battery backup Four fully independent watering programs e Concurrent operation of up to three automatic programs e 16 unique start times allotted to programs in any combination of 0 16 e Program cycle and soak option provides 1 30 repeat cycles and soak t2. a 12 Erase Program MEMO rig cat as aad ans oa KGG BA KA DAAN AG AA AA KA DAA PANAON NA 13 Selecting Handheld Remote Operation 0 0 ccc cece eee teens 13 Selecting Display Language Option a 13 1 2124 nour Time Display OPINION BKA BGM BARAN AD eects ooaeeesaose acento ones 13 DElCCUnG RUN MME Foal dsucooacteceoxcewseesedeonneeqecwouegacdseces ace 13 Manual Operations 14 Manual Station Operations AA AA AA 14 Tle Manual OPEfal0Na 4 mamaw KR KAKA KA NAKAG eee ase NIA PERB KNA BKA LLANA 14 Timed Manual OD erallONns aan mia kasamaan nad a nG Ba ad a naa 14 Manual POONG cated caers AN AGA NAG dongs ues NGA A GAAN Baa Kh pA iko Sila to 8d 00 CUNG GI AA 15 Multiple Program Operation cc cece eee eee eee n eee enneeennes 15 Flow Sensor Operations 02 cece cee eect e nent eennes 16 Select Fill Delay Option AA AA AA AT 16 Select Flow Sensor Module Master Valve Type 2 cece cece eee tenes 17 Select Flow Rate Alen Thresholds 6 24 vsac0ndsdhsadwcdereewndvebaeawis NN GG 17 Rain Sensor Control Features 20 0 0 c ccc eens 18 Rain Sensor Timed Bypass AA asian east ea de eatin BEB etre ade ahha aces 18 Rain Sensor Control DY Program 7 mana mawa don Seana dnd eens dan bvareedadeenn dads 19 Valve Test de 60 ee NG ee ee ee ee eee 19 Rain Delay Feature paaa beset AA BEA GLAD AANGAL AEE EER REE 20 Program Review Function 0 0 ccc cece cette tenet eens 20 Installatio
3. 05 05 13 17 21 25 29 32 36 40 44 48 52 56 60 64 68 7A 75 79 83 87 91 95 99 NOTE e Do not operate in this region e TMC 424E maximum PPS 125 e To convert GPM to LPM multiply x 3 79 If installed flow sensor measures in units other than PPS contact your Toro distributor for assistance 28 Appendix B TMC 424E Current Load Data Determining Maximum Current Load The reference table below provides various current load combinations that may be encountered when using multiple programs running simultaneously with Master Valve Pump Start control options The number of 24 VAC loads based on one station valve operating per program are listed in the Station Valves row The Master Valve and Pump Start values are based on one load per circuit and one or two Flow Modules each utilizing the individual Master Valve control output TMC 424E Output Current Load Acceptable Marginal Exceeds Limit Station Valves 1 1 1 2 1 1 2 2 3 2 Master valves 0 0 1 0 2 1 1 0 0 1 Pump stat o 1 0 o 0 1 0 1 0 1 Total Curent 0 3 0 6 0 6 0 6 0 9 0 9 0 9 0 9 0 0 1 2 NOTE The maximum total current load permitted is 1 20A 24 VAC The valve and relay loads shown in the chart are based on 0 30A 24 VAC nominal Actual current draw will vary with make model configuration and size of valves and or relays utilized Refer to the manufact
4. Press the button to display MVA Y Master Valve program A Yes on To exclude the selected program from MV PS operation press the Por G button to select MV A N Master Valve program A No m p o e Master Valve Pump Start Operation by Station 1 Press the button to display MVS N Master Valve Stations No 2 To access this option the option must first be enabled by pressing the or button to select MVS Y Yes By default all station identifiers will be solid circles all enabled 3 Press the amp gt button to select MV Y 01 Master Valve Yes station 01 The station identifier will begin flashing 4 Press the button to exclude selected station or press the button to skip the station When excluded the station identifier will change from solid to hollow The next station identi fier in Sequence will begin flashing 5 Repeat the procedure in step 4 as needed for each station e To Set Pump Delay This feature enables a delay period from 1 to 60 seconds to occur after the MS PS circuit is activated and prior to the start of the first station in the watering sequence This delay feature is often used in conjunction with the Station Delay SD feature 1 Set the Program Switch to select program A B C or D Turn the Function Dial to Special Functions NI 2 3 Press the button as needed to display PD Pump Delay Off 4 Press the Por Gp button to select the delay time value fr
5. The Season Adjust feature enables the cumulative program run time to be easily increased or decreased by a percentage factor from 0 Off 200 in 10 increments Season Adjust can be applied to individual programs and globally to all programs by selected months of the year When a Season Adjust factor is applied by program and by month the adjusted program duration is the result of the combined percentage factors For example program A has a total station run duration of 60 minutes with an 8096 Season Adjust value applied to the program The adjusted run time for program A is 48 minutes In addition a 50 Season Adjust value is applied to the month of December The resulting cumulative run time for program A during December will be 24 minutes Example 60 minutes x 80 80 48 minutes x 50 50 24 minutes NOTE By selecting the program Review function you can instantly view the total run time of each program adjusted for all operating factors including timed delays repeat cycles and Season Adjust Yo See Program Review Feature on page 20 for additional information 1 Set the Program Switch to select program A B C or D 2 Turn the Function Dial to Season Adjust 9 3 Press the Por amp button to adjust the value for the selected program NOTE Adjusting the value to Off prevents operation of the program NOTE As a runoff prevention measure selecting a Season Adjust factor over 100 will automatically
6. This option is generally used when irrigation demand exceeds the supply capacity as can occur when the supply is pumped from a well or reservoir The delay period is adjustable from Off to 59 seconds in 1 second increments or 1 to 60 minutes in 1 minute increments Set the Program Switch to select program A B C or D Turn the Function Dial to Special Functions A Press the amp button as needed to display SD Station Delay Off Press the or Gp button to select the delay time NOTE The time value will change from seconds to minutes as the display scrolls past 59 seconds Minutes value is displayed as 1M 60M a 80 Po Setting Master Valve Pump Start Options The TMC 424E allows you to set Master Valve Pump Start MV PS operation by individual program and by individual station as preferred By default operation of all programs and all stations will activate the MV PS circuit The following procedures are primarily used to exclude specific programs and or stations from MV PS operation 10 NOTE A program must have the MV PS control option enabled to permit individual stations assigned to the program to be excluded from MV PS operation In other words assigning MV PS operation by station is not applicable unless MV PS operation for its assigned program is enabled e Master Valve Pump Start Operation by Program Set the Program Switch to select program A B C or D Turn the Function Dial to Special Functions Al
7. e Automatic mode will resume when the manual operation is finished e To turn off an active station and start the next station in sequence press the button e To end manual operation at any time turn the Function Dial to FFO wait for the display to stop flashing then turn the dial to RUN 6 Multiple Program Operation 1 Turn the Function Dial to Manual Program YE 2 Set the Program Switch to select program A B C or D 3 Press the button to start or queue the program The program identifier and icon will begin flashing 4 To select additional programs repeat steps 2 and 3 5 Turn the Function Dial to RUN e The operating program identifier station number s remaining station run time and icon will begin alternating with the current time of day e The programs will operate in the order selected either sequentially or concurrently as determined by the Stack Overlap option selection e Automatic mode will resume when the manual operation is finished To turn off an active station and start the next station in sequence position the Program Switch if needed to select the program then press the L gt button To end manual operation at any time turn the Function Dial to OFF When the display stops flashing turn the dial to RUN 15 Flow Sensor Operations Flow monitoring is one of the best water resource management tools available in the irrigation industry today With definable under o
8. the station is skipped and the next programmed station in sequence is operated Error message NFLOW is displayed if the Nominal flow threshold flow measured while controller is idle is exceeded When a Normally Open master valve is controlled by the flow module it will be activated valve closed To clear the warning press any button The controller will continue to operate as scheduled and will attempt to run all stations as programmed SEN Rain sensor active When the rain sensor is active and all controller outputs are off the SEN prompt is displayed Rain sensor input can be bypassed with the controller s Sensor Bypass switch the Timed Bypass feature and rain sensor receiver controls For complete information regarding rain sensor operation refer to the user s guide provided with the TWRS TWRES units PAUSE Watering suspended by TMR 1 handheld remote When irrigation is paused using the TMR 1 handheld remote PAUSE will be displayed NOTE If an optional Display Language is in use x will be shown 30 Appendix D Default Settings Abbreviations When the TMC 424E is shipped from the factory or the control module has been restored to factory default settings the following control parameters are selected NOTE The program default settings indicated by an asterisk are restored by the Erase feature provided within Special Functions Factory Default Abbreviation C nent Hime 1200 Miri aka aaa irr NGA T ANT
9. Fill delay 0 Minutes 0 0 0 a FIL 0M Master Valve type NC Normally Closed aaa MV NC Nomina FlOW All Oli aks gee onennceaee KANA BA ANAN raer NF Assign Station to Flow Sensor No All Off 0 0 0 cece eee eee eee FLO N EOWA ac ka AD BARE EN NG oes ak eee he ee EGNERS OF Underflow All Off a UF Critical Flow AIOff a CF Learned FOW AO aman wa MINANA KAG LPG meek gene eet oe HINALA LF KGBI ee a ee ee AN OFF 31 Specifications Cabinet Dimensions 10 5 W x 9 5 Hx5 D Temperature Limits e Operating 14 F to 140 F 10 C to 60 C Storage 22 F to 149 F 30 C to 65 C Power Specifications North America Internal Transformer Class 2 UL Listed CSA Certified or equivalent Input 120 VAC 10 50 60 Hz Output 24 VAC 10 50 60 Hz 30 VA e Europe and Australia Internal Transformer TUV Approved SAA Approved Input 230 VAC 10 50 60 Hz Output 24 VAC 10 50 60 Hz 30 VA Maximum Load Per Station 0 5A 24 VAC e Maximum Load Per Pump Master Valve Circuit 0 5A 24 VAC e Total Maximum Load 1 20A 24 VAC Surge Protection e TSM 4 and TSM 8 6 0 KV common mode 600 V normal mode e TSM 4H TSM 8H TSM 4F and TSM 8F 6 0 KV common mode 6 0 KV normal mode Battery Type e 9V Alkaline not included 32 The Toro Promise Limited Five Year Warranty The Toro Company and its affiliate Toro Warranty C
10. Monitor Master Valve Number Code Count Level Icon Monitor Icon Control proms Gay a omen f wm fw ome cay sma f wm e TSM4H Beige 4 mon ff w No tawen see a woh 14 mo oma Bue a mo ff vs ACE Yo rar oo woo we ee va The Expansion Modules can be installed and removed at any time without powering down the controller The TMC 424E will gain instant access to the module and will logically number the stations based on module position For example if three 4 station modules are installed the stations will be numbered 1 12 module stations 1 4 module Il stations 5 8 and module Ill stations 9 12 If module Il is removed stations 5 8 will be automatically assigned to module Ill All stations will remain in sequence without gaps Getting Started As an initial step we recommend that you take a few moments to browse through various sections of this User s Guide Also take the time jot down some basic watering program and station information on the Watering Schedule form provided Having this information readily at hand will be very helpful during the initial controller setup and programming procedures Note that the Watering Schedule form provides a convenient pocket for the User s Guide and Quick Reference Guide when folded and attached to the inside of the cabinet door Table of Contents INKOQUCUON 222 kGDAD END BIBABAL O DADADENA LINABODA UADENI
11. allows you to quickly operate of each station for short period of time for a convenient initial system check periodic maintenance spring start up etc The preset time for each station is two minutes but can be quickly adjusted from 30 seconds to 10 minutes as desired NOTE Only stations with a run time assigned to any program will be included in the test operation A IMPORTANT Flow thresholds do not apply during Valve Test operation 1 Turn the Function Dial to Valve Test v 23 The display will show 2 M 2 minutes of run time per station 2 Press the gt or gt buttons to change the run time of all stations from 30 seconds to 10 minutes 3 Press the button The program identification letter will begin flashing and water on icon will be displayed 4 Turn the Function Dial to RUN All station numbers with assigned run time in any program will be displayed The currently operating station number and the icon will be flashing The stations will operate one at a time in numeric sequence The automatic mode will resume when the valve test operation Is finished NOTE To turn off an active station and start the next station in sequence press the button Review operation will be terminated when the last station number displayed has completed it s run time or has been skipped To terminate operation at any time turn the Function Dial to OFF Wait for display to stop flashing then turn the dial to RUN Rain Delay Fe
12. device in accordance with the specifications in Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference in a residential installation However there is no guarantee that interference will not occur in a partic ular installation If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient the receiving antenna e Relocate the irrigation controller with respect to the receiver e Move the irrigation controller away from the receiver e Plug the irrigation controller into a different outlet so that the irrigation controller and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00345 4 Customer Care You Can Count On At Toro not only do we provide the most efficient water management products we deliver a superior customer support experience as well Like our products Toro s customer support teams have more than
13. exceptional technical skills they are empowered to resolve problems and always perform in the customer s best interest Our support team is truly extraordinary at the services they provide Among the four team members they offer almost 100 years of Toro irrigation experience and hands on product knowledge Call 800 664 4740 inside U S A or 951 688 9221 outside U S A Monday through Friday 7 30 a m to 4 00 p m Pacific Time 2008 The Toro Company Irrigation Division e www toro com Form Number 373 0466 Rev B 36
14. with the use of equipment including but not limited to vegetation loss the cost of substitute equipment or services required during periods of malfunction or resulting non use property damage or personal injury resulting from installer s actions whether negligent or otherwise Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you All implied warranties including those of merchantability and fitness for use are limited to the duration of this express warranty Some states do not allow limitations of how long an implied warranty lasts so the above limita tion may not apply to you This warranty gives you specific legal rights and you may have other rights which vary from State to state The Toro TMC 424E series controllers are covered by this warranty for a period of five years from the date of installation 33 Notes 34 Notes 35 FCC Compliance Information This equipment generates and uses radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio and television reception It has been type tested and found to comply with the limits for a FCC Class B computing
15. ENA GD LANANG Ak n a MOM SANUANY sesewadtaceovcewacenyasteccesacescsorad soceosceees JAN Veal AA AA AA AA AA AA n a D AA AA n a otation IMEE ALON ran ANAKAN ance ann MARYA KATA NANGANAK aan n a Start Times All Off 2 n a Calendar Days AllOn cece ee eee teens n a Odd Even Days All Off no excluded days n a Interval Days All Off no excluded days aa INT Season Adjust 100 program and month aa 100 96 Station Delay No AON cam ada a aaa Ph KAG KA cep GA KAKA KEAN SD Master Valve Operation by Program Yes All on MV A Y Master Valve Exclusion by Station No No stations excluded MVS N Pump Delay No All Off auc ig cue dc ma NG ae ae ee deme ee ae ee hahaah ee aeons PD Pump Enable No All Off during station delay PE N Cycle Repeats Delays No All Off aaa CYC N Simultaneous Programs 1 stacked aaa 1PROG Handheld Remote Operation Yes On aa HH Y Display Language English iise kakaba maa ma Kan aa KG GAN GG NG KAN enews ENG Clock Time Format 12 hour a m p m a 12H Seconds Time Increments No Off 0 0 ccc cece eee eaee SEC N Timed Bypass No Off nonna cece eee nee teenies TBP N Rain Sensor Program Yes All On 0 0 0 aaa RS A Y Main Line
16. IRAHALDEGOALENA NYAN ii Control Module Overview 2 0 2 2 2 Internal Component Overview 0 ccc cece cee eee eee eens 4 Programming Overview 0 2 0 0 0c ccc eee cee eee cent e eee eeeenees 5 Whatiia Watenng Program 220200 cvendbacceoedtanceaudtecevagetearsandiaas 5 What is a Program Watering Cycle sc iccncceeb denon neingeiseeesecoaetinanienew 5 What is Armchair Programming sess pagdi amam kad ang ous diaweeetade aun bh ns 5 Controller Programming 0 0 0 ccc a 6 JE CUMeM MMe anG x sx wana KA baw oe ee nds MANTAN EN ee ee ee 6 ECE POO AA AA ae 6 Set Station Run Time 2 aaa aaa 6 Set Program Start WIMES AA AP 7 set Watering Day Schedule 0 0 20 0 0 e ee ee tee eee etenenees 7 To Set Calendar DayS 0 ccc ccc eee een eee teen eee ennenes 8 1036 Odd or Even Ddy ama man NA KANA MA NA KA EDERA A ERTEN EREDE 8 lo alpa Day HAAN AA 8 Season Adjust Feature iiscccrcdineovavdiaccuacdiwsctardiaccsacdiwsctardbanes 9 Special FUNCHONS naaa ee NG ALAN iene E E ER 10 Dentin sialon Delay TME OPON 8a KAN KAMA EASE BANANA NAT TEEDE 10 Setting Master Valve Pump Start Options 0 a 10 To Select MV PS Operation by Program and Station 0 0 0 a eee 11 To Set MVPS Start Delay srristsssrsiierrrriner inira Eer i 11 To Set MV PS Operation During Station Delay a 11 Setting Watering Cycle Repeat Option a 12 Setting Program Stack Overlap Option
17. OTE If the controller has been previously programmed the user defined program settings can be quickly erased and reset to factory defaults See Using the Program Memory Erase Feature on page 13 To simplify the programming process the following procedures are provided to define the operating parameters of one program at a time To begin set the program switch to select program A B C or D Set Station Run Time A station is assigned to the selected program when it is given a run time duration The station can have only one run time assignment per program but can have a separate run time assignment in each program By default station run time is defined in minutes and hours To enable station run time to include seconds see Station Runtime Display Format on page 13 1 Turn the Function Dial to Station Times XX 2 Press the or button to select the station number The corresponding station output terminal will be shown on the display as a solid circle 3 Press the gt or amp buttons to adjust the station run time from Off to 1 minute 8 hours in 1 minute increments If seconds format is enabled station run time can be set from 01 60 seconds NOTE Hold either button down for rapid advance 4 Repeat steps 2 and 3 for all stations to be assigned to the selected program Set Program Start Times NOTE The TMC 424E enables a total of 16 unique start times to assigned to four programs in any combinati
18. TIMES To set program start times CALENDAR pays To set program watering day schedule by days of the week opp even Z To set program watering day schedule by Odd or Even numbered days SEASON ADJUST 69 To adjust run time of all Stations within a program and or program within a month from 0 to 200 in 10 increments SPECIAL FUNCTIONS To select special ized setup and programming options see page 10 for details SENSORS To select flow sensor operation setup parameters A NIY AUTON la rian of alactyival t gowa vafora Yar WARNING irl VOLTAGE TMC 4e4 MANUAL PROGRAM V5 To operate watering programs manually MANUAL STATION t To operate individual Stations manually VALVE TEST 1 2 3 TO manually test valve operating sequence using a temporary run time REVIEW R To recap all program infor mation including start times run times and season adjust OFF shuts off and prevents all automatic and manual watering operations po pg MINI om LO M LM CURRENT DAY aw pagel NG START TIME a N nig 5 9V Battery Compartment amp Clip A standard 9V battery is required for Armchair Programming and to maintain clock time during an extended power loss Internal Component Overview q pa Ba Vi JON alasifival souk afora 3arle af Dafora s atviviny fo adiuva disvonavt YY H CAUT ina ris of towar i boo l
19. a valve common wire 3 Attach a separate wire to the remaining valve solenoid lead of each valve NOTE For reference when making wire connections at the controller note of the wire color used for each control valve connection and the corresponding watering zones 4 Secure all wire splices using water proof wire connectors or any appropriate method of protecting wire splices from direct contact with soil or moisture 5 Route the cable into the controller through one of the 3 4 19mm access holes in the base of the housing or through the PVC conduit if installed Strip insulation back 3 8 10mm for wiring terminal connections 6 Secure the field common wire s to common terminal s C 7 Secure the individual valve wires to the appropriate expansion module station output terminals 8 Connect one wire from the master valve or pump start relay to terminal P 22 Pump Start Master Valve Common Valve Common Wire Pump Start Relay iy i Master Valve A CAUTION To avoid possible equipment damage do not connect pump starter directly to the controller A 24V 0 5A maximum relay must be used for this connection Flow Sensor Connection 1 Route the flow sensor wires into the controller cabinet 2 Connect the flow sensor wires to the flow enabled expansion module as follows Black to negative and Red to positive NOTE Flow Sensor wiring polarity must be correct to enable operation L68 er Valve ad G 2 3 Bl
20. acee 5 Ss lalalala Cit o elele O olola A o 9 BA I WARMING II illar VOLTAGE OIOI 6 Power supply compartment cover 16 Expansion module 7 Control module ribbon cable recep model TSM 4 shown tacle 17 Wiring connection terminals 8 Transformer 24 VAC output connec S Rain Sensor 2 tion terminals Hot Post 24 VAC source P Pump Start Master Valve C Valve field Common 2 18 Optional Earth Ground Lug 9 MR 1 remote connection port 10 Rain sensor bypass switch 11 Auxiliary port not enabled Attachment Screw 12 Flow sensor expansion module 19 Input power wire connection 13 Flow sensor wiring terminals L Line mains 1 14 Flow module master valve N Neutral mains 2 wiring terminal Ground 15 Expansion module valve wiring terminals Programming Overview What is a watering program In basic terms a watering program is a small set of instructions that tells the controller which days will be active for watering when to start a watering cycle and how long each station will operate during the cycle The TMC 424E series has four independent watering programs identified as A B C and D Separate programs are usually used to group stations with similar landscape or watering attributes or to provide a way to segment specific site conditions such as north facing slopes or shaded turf areas As you can see the availability of four programs allows you to hav
21. ack Red Flow Sensor Master Valve CC Can a DING aot a 3 If the master valve circuit is used connect either solenoid wire to the MV terminal and the remaining wire to either common terminal C NOTE The master valve circuit is controlled by operation of the corresponding expansion module only 23 Input Power Connection Indoor Models NOTE Unlike most indoor type controller models the TMC 424E ID model incorporates an internal transformer A Class C power cord and strain relief are supplied for connection of the transformer terminal block to a grounded wall outlet 1 Remove the transformer compartment cover secured by two phillips screws 2 Referring to the illustration install the strain relief and tighten securely using appropriate hand tools NOTE Power cord assembly will vary by controller model 3 Insert the power cord through the strain relief 4 Connect the power cord wires W Brown to the terminal block as follows 4 WW White or 120 VAC Models lt Blue Black to L White to N and Green to ground 230 VAC Models Brown to L Blue to N and Green Yellow to ground 5 Tighten the bottom strain relief nut using an appropriate hand tool Pull lightly on the power cord to confirm proper retention 24 Input Power Connection Outdoor Models ZN WARNING AC power wiring must be installed and connected by qualified personnel only All electrical components and ins
22. ature The Rain Delay and Season Adjust control features enable quick temporary changes in operation to help compensate for changes in weather and season Rain Delay enables all automatic watering operations to be delayed from 1 to 14 days For example rain is forecast in your area for the next two days Instead of turning the controller off and possibly forgetting to turn it back on a 3 day delay can be easily set At the end of 3 days the controller will resume automatic operation as scheduled 1 Turn the Function Dial to OFF 2 Press the gt orp button to select the number of days to delay operation from 1 to 14 3 Turn the Function Dial to RUNG NOTE OFF and the number of rain delay days remaining until automatic operation resumes will be displayed alternating with the current time The rain delay day number will decrease by one at each day change Automatic operation will resume when the watering delay day number is no longer displayed 4 To terminate the rain delay function turn the Function Dial to OFF 5 Press the gt button until only OFF is displayed 6 Turn the Function Dial to RUN Program Review Feature The Program Review feature provides a convenient method of reviewing all user defined programming information Program elements will be displayed as follows Total program cycle duration factored for Season Adjust delays and repeats Total irrigation time time irrigation actually occurs factore
23. d for Season Adjust delays and repeats Watering day schedule type Calendar Odd Even of Interval Program start times Station run times Rain Sensor assignment by program All flow settings when flow sensing option is used Turn the Function Dial to Review FR Set the Program Switch to select the program to be reviewed Press the amp button to index through the program information When finished turn the Function Dial to RUN o nG a s 20 Installation Instructions Preparing the Cabinet for Installation 1 Swing open the timing mechanism to access the internal components and wiring access holes 2 Five wiring access holes are provided in the bottom of the cabinet as follows A 1 2 13mm for power and equipment ground wires B Two 1 2 13mm knock outs for the optional rain sensor or handheld remote wiring C Two 3 4 19mm 1 25mm knock outs for field wires NOTE Removing all applicable knock out plugs prior to cabinet installation is recommended NOTE Install electrical conduit as specified by applicable electrical and or building codes Wire electrical conduit and conduit fittings are not provided Selecting an Appropriate Installation Site Select an installation site for the TMC 424E controller that will provided the following conditions e Protection from direct exposure to irrigation spray midday sun wind and snow Access to all field and optional accessory wiring e Access to a groun
24. ded AC power source that is not controlled by a light switch or shared by a major appliance motor driven equipment e Indoor controller models only within 4 1 2m of a grounded electrical outlet 21 Cabinet Installation 1 Drive a wood screw into the wall within eye level until only 1 4 10mm of the screw is exposed NOTE If installing the controller on drywall or masonry install the appropriate type screw anchors 17 78mm 2 Hang the cabinet on the screw using the keyhole slot 3 Open the controller cabinet and swing open the timing mechanism to access the lower mounting screw location 4 Install the lower mounting screw in the hole provided and tighten securely 5 Fill out the provided Watering Schedule form with program and system details Affix the provided hook and loop disks to the form in the designated locations Attach the form to the inside of the cabinet cover Field Wire Connections NOTE Using 14 18 AWG 2 1mm multi strand irrigation hookup cable for field wire connections is recommended This cable is made specifically for underground installa tion and is available in various lengths and conductor count Select a cable that has at least one conductor for each valve connection and one conductor to provide a valve common connection 1 Route the valve control wires between the valves and the controller 2 Attach the white wire to either lead from each valve solenoid to provide
25. e unique watering programs for your varied landscape needs Multiple programs can be designated to operate one at a time or can overlap operated in sequence or concurrently with up to three programs at the same time as you choose This feature enables more watering to be completed within the prime watering time which is generally between midnight and 6 00 a m What is a program watering cycle When a program start time is selected that time becomes the beginning of an automatic watering cycle A watering cycle operates each station with an assigned run time duration in the program one by one in numeric sequence from the lowest to the highest station number The TMC 424E provides up to 16 watering cycle start time slots that can be assigned to the four programs in any combination For example program A could have 10 start times program B two Start times program C four start times and program D no start times Any combination up to 16 Start times is permitted NOTE A Watering Schedule Form is provided for your convenience Use this form to plan and record your automatic watering information Keep the card handy for reference by attaching it inside the cabinet cover What is Armchair Programming A 9V battery can be installed enabling the control module to be fully programmed prior to installa tion in the comfort of your favorite easy chair 1 Slide and lock the expansion module s into position 2 Attach a 9V battery to the cont
26. ect the day To exclude the day from the schedule press the Por button to display the No Water icon To exclude additional days 7 maximum repeat steps 4 and 5 Set Interval Days Turn the Function Dial to Interval Days 585 The CYCLE LENGTH prompt and the current Interval 01 31 DAY or Off will be displayed Press the Por GB button to select the Interval cycle length NOTE The cycle length can be set from 01 water every day to 31 water once every 31 days The Interval cycle starts at 01 and increases by 1 digit each day The watering day occurs when the selected Interval cycle length is reached To specify when the first watering day will occur the current day within the Interval cycle must be selected For example if a 04 DAY Interval is entered and watering is to begin in one day select 03 as the Current Day To select the Current Day in the Interval cycle press the button to display the CURRENT DAY prompt Press the or button to select the value 01 selected Interval number To exclude specific days from watering 7 maximum press the button to select the day To exclude the day from the schedule press the Por button to display the No Water icon Repeat steps 6 and 7 to continue excluding days STOP This concludes the basic program setup procedures Repeat these procedures starting at Select the Program on page 6 for each program you wish set up at this time Season Adjust Feature
27. handheld remote By default remote control operation is enabled To disable operation with TMR 1 receiver using the following procedure 1 Turn the Function Dial to Special Functions Al 2 Press the Es button as needed to display HH Y Hand Held Yes 3 Press the por buttons to select HH N Hand Held No Selecting Display Language Option The TMC 424E displays word prompts in English ENG by default and offers five additional languages preferences as follows Spanish ESP French FRA Italian ITA German DEU and Portuguese POR 1 Turn the Function Dial to Special Functions Al 2 Press the button as needed to display ENG or the current language 3 Press the or amp buttons to select the desired language Selecting 12 24 hour Time Display Option This feature enables the clock time display to be changed from 12 hour am p m format to a 24 hour clock format 1 Turn the Function Dial to Special Functions A 2 Press the button as needed to display 12H 3 Press the Por buttons to select 24H Selecting Run Time Format This feature enables the station run time to be selected in seconds increments in addition to minutes and hours increments 1 Turn the Function Dial to Special Functions Al 2 Press the button as needed to display SEC N Seconds No 3 Press the or gt buttons to select SEC Y Seconds Yes Manual Operations The TMC 424E offers several manual operation methods A
28. hat have flow sensing enabled Press the button to select OF Over Flow Off This setting establishes the alert threshold for a flow rate above the Learned Flow Press the or button to select a value from 10 100 in 10 increments Select to disable this threshold continued 7 Press the button to select UF Under Flow Off This setting establishes the alert threshold for a flow rate below the Learned Flow 8 Press the Por button to select a value from 10 100 in 10 increments Select to disable this threshold 9 Press the button to select CF Critical Flow Off This setting establishes the alert threshold for a flow rate above the Learned Flow 10 Press the Por button to select a value from 10 100 in 10 increments Select to disable this threshold NOTE If a Critical Flow alert is triggered operation of all stations and master valve monitored by the flow sensor will be immediately terminated 11 Press the s button to select Learned Flow LF If the Learned flow rate has been previously established the PPS value is displayed If the Learned flow has not been established the display will indicate LF NOTE The learned flow rate for each station assigned to flow monitoring will be automatically recorded the first time it is operated For PPS GPM conversion information see chart on page 28 12 Press the button Repeat the flow sensor setup parameters fo
29. ime delay from 1 second to 60 minutes e Day scheduling by Calendar days 1 31 day Interval or Odd Even days with selective day exclusion e Station run time adjustable form 1 second to 8 hours e Season Adjust by program and by month from 0 200 automatic split cycle watering for adjust ment over 100 e Rain delay to postpone automatic watering operation from 1 14 days e Master valve pump start operation assignable by program or station e Programmable well recovery station delay from 1 60 seconds or 1 60 minutes e Flow monitoring and alert parameters for 1 3 flow sensors e Output current watchdog feature detects overload short circuit condition and automatically bypasses suspect station s e Optional Normally Open master valve control on flow sensing modules e Manual operations by station and program e Review feature quickly recaps all program information e 12 or 24 hour time designation e Programming display prompts selectable in English Spanish French German Italian or Portuguese e Valve test feature for quick station and system check Equipped for optional Toro rain sensor models TRS TWRS and TWRFS Toro TMR 1 handheld maintenance remote and Toro TFS Series flow sensors The unique TMC 424E Expansion Modules are color coded for easy identification The modules can be mixed and matched in any combination and are available in six models as indicated in the table below Model Color Station Surge Surge Flow Flow
30. ing a 1 day Interval schedules watering to occur every day A 2 day interval schedules watering to occur every other day A 31 day interval is the maximum schedule providing watering only once every 31 days Since the interval schedule is not tied to specific days of the week you will also need to determine when the interval will start by selecting the current day within the Interval e Day Exclusion When using the Odd Even or Day Interval watering day schedule watering will not always occur on the same days each week To prevent watering on a specific days for example watering restricted days specific days of the week can be easily excluded from the schedule NOTE Each program can only have one assigned watering schedule format lf either an Interval or Odd Even schedule is currently set it must be turned Off first to enable an Optional format to be selected To Set Calendar Days 1 2 3 4 Turn the Function Dial to Calendar Days Sunday will be displayed and selected to water indicated by the water Dicon To exclude the day from the schedule press the Por button to display the No Water icon Press the button to select the next day Repeat step 2 and 3 to schedule the remaining days of the week To Set Odd or Even Days FU O a To 1 Turn the Function Dial to the Odd Even 42429 position Press the Por amp button to select ODD or EVEN To exclude specific days from watering press the button to sel
31. n Instructions 21 Cabin INGAT ana PAKANA PINAKANTA WATAN NAA NG PANA TU wena 21 Field Wire Connections 0 a 22 FOW sensor ConneChON lt i3246sapetepoenedtaaceaadsacauaebhaceerndtege UNA ha 23 Power Connection Indoor Models 4 24 Power Connection Outdoor Models 0c cece eee cent eees 25 Rain Sensor Installation Optional cnc acta musi nana bow seee dat aeechonsaw naan 26 Toro TMR 1 Handheld Remote Installation Optional Aa 27 Appendix A TFS Flow Sensor Performance Data 000 0 28 Appendix B TMC 424E Current Load Data 0 a 29 Appendix C Display Alerts 2 ccc ccc cece eee ete e ene eennnes 30 Appendix D Default Settings Abbreviations 0 0 cece eee 31 SO CCHICAUONG escores rarer PEO Y EDU EN NAL PNK EDNA AA KNA Ch D GANA NAA 32 The Toro Promise Limited Warranty Information 33 FCC Compliance Information 0 0 ccc cece eee eee eens 36 Customer Care You Can Count On 0 ccc eee eee eens 36 Control Module Overview The following brief descriptions of the controller components and display elements are provided for general overview Each of these items are explained in detail within the appropriate section of this guide 1 Program Switch 2 digit display identifies the Four position slide switch used to select program A B C and D for set up review and manual control 2 Digital Displa
32. ncluding wireless models TWRS and TWFRS rain freeze and wired version TRS can be connected directly to the TMC 424E to automatically interrupt irrigation when the preset rain or freeze threshold is met A sensor bypass switch is provided to override sensor operation as needed Refer to page 18 for additional Rain Sensor operating information When the sensor absorbs moisture it signals the TMC 424E to suspend automatic watering opera tions While irrigation is suspended SEN is displayed When the sensor automatically resets or is bypassed enabling the controller to return to automatic operation the controller will return to normal program operation Sensor Bypass Sensor la E Tate aT Active S White Wire S Brown Wire ley P c slOIQI oO C Red Wire C 1 Route the sensor wires from the device into the controller housing through the provided access hole 2 Remove the jumper wire installed between the sensor terminals 3 Connect the white wire to the top sensor S terminal Connect the brown wire to the remaining sensor S terminal Connect one either red wire to the Hot Post and the remaining red wire to a station common C terminal 4 Set the sensor switch to the Sensor Active position 5 Refer to the instructions provided with the rain sensor for detailed installation and set up information 26 Toro TMR 1 Handheld Remote Installation Optional The TMC 424E is equipped fo
33. om 01 to 60 seconds e To Set Pump Enable This feature allows you to enable or disable MV PS operation for the duration of a Station Delay period 1 Set the Program Switch to select program A B C or D 2 Turn the Function Dial to Special Functions Al 3 Press the gt button as needed to display PE N Pump Enable No Off 4 Press the or button to select PE Y Pump Enable Yes On Setting Watering Cycle Repeat Option This option enables a program watering cycle to automatically repeat operation from 1 to 30 times per program start 1 Set the Program Switch to select program A B C or D Turn the Function Dial to Special Functions MI Press the button as needed to display CYC N Cycle repeat No Off Press the or amp button to select CYC Y Cycle repeat Yes On Press the button once to display RPT Repeat none Press the Por button to select the number of repeat cycles from 01 30 1 repeat 2 watering cycles Press the button to select DL delay period between repeat cycles 8 Press the Por D button to select the delay period Off to 59 seconds in 1 second increments or 1 60 minutes in 1 minute increments o oe w PO N Setting Program Stack Overlap Option This option determines if multiple programs will be constrained to single file operation stacked or enabled to operate 2 or 3 programs concurrently overlap Ah CAUTION Before selecting the overla
34. ompany pursuant to an agreement between them jointly warrants to the owner each new piece of equipment featured in the current catalog at date of installation against defects in material and workmanship for a period described below provided they are used for irrigation purposes under manufacturer s recommended specifications Product failures due to acts of God i e lightning flooding etc are not covered by this warranty Neither Toro nor Toro Warranty Company is liable for failure of products not manufactured by them even though such products may be sold or used in conjunction with Toro products During such warranty period we will repair or replace at our option any part found to be defective Your remedy is limited solely to the replacement or repair of defective parts Return the defective part to your local Toro distributor who may be listed in your telephone directory Yellow Pages under Irrigation Supplies or Sprinkler Systems or contact The Toro Warranty Company P O Box 489 Riverside California 92502 Phone 800 664 4740 for the location of your nearest Toro distributor or outside the U S call 951 688 9221 This warranty does not apply where equipment is used or installation is performed in any manner contrary to Toro s specifications and instructions nor where equipment is altered or modified Neither Toro nor Toro Warranty Company is liable for indirect incidental or consequential damages in connection
35. on totaling 16 For example program A could have 12 start time assignments which would leave four start time assignments available for programs B C and D 1 Turn the Function Dial to Start Times The start time hour digit s will begin flashing 2 Press the or button to select a start time number 01 to 16 NOTE Any start time number currently assigned to another program can not be selected If all 16 Start time assignments are in use NONE will be displayed 3 Press the Por amp button to select a start time hour note the correct a m p m designation in the 12 hour clock mode NOTE To remove a start time select Off located between the hours of 11 00 p m and 12 00 a m 00 minutes 4 Press the Cp button to select minutes digits Repeat step 3 to set start time minutes 00 59 5 Repeat steps 2 4 to set additional start times for the selected program Set Watering Day Schedule The TMC 424E series offers three watering day schedule formats Each program can have any one of the following schedule formats Calendar Days Use this scheduling method to select specific days of the week Odd Even Schedules days by odd or even numbered calendar days NOTE When an odd numbered day schedule is used watering will not occur on the 31st of any month and February 29th of a leap year Day Interval Scheduling by Day Interval enables a specific number of days between watering to be selected For example select
36. ormally Open NOTE A Normally Open master valve must be energized to remain closed Therefore the master valve will remain open when the controller is idle However if a flow alert is triggered the master valve controlled by the flow sensor module will be energized closed To Set flow rate alert thresholds if Press the gt button to display NF Nominal Flow Off Nominal flow threshold is the maximum allowable flow while the controller is idle A flow alert is triggered if flow is detected above this setting Press the Por button to select a value from 01 to 99 PPS pulses per second Select Off to disable this threshold NOTE Refer to page 28 for important flow sensor performance data Press the gt button to display CLR LF Clear Learned Flow e To retain the current learned flow value press the pbutton to skip this setting e To clear the current learned flow value press the button to display OK Press the button again Continue when DONE is displayed Press the button to display FLO N Flow No flow sensing option for the selected station e To enable flow sensing for the selected station press the Por button to display FLO Y Flow Yes e To bypass flow sensing for the selected station press the button The next station in sequence will be selected NOTE Flow sensing setup parameters Over flow Under flow Critical flow and Learned flow are available only to stations t
37. p option ensure the hydraulic capacity of the irrigation system and the controller s maximum current load will not be exceeded when multiple stations including master valve pump start circuits operate concurrently Refer to Appendix B TMC 424E Current Load Data on page 29 for additional information 1 Turn the Function Dial to Special Functions Al 2 Press the button as needed to display 1PROG stack 3 Press the or buttons to select 2PROG or 3PROG overlap NOTE When operating multiple programs in the stacked mode any watering cycle that extends past midnight into the next day will continue operating until finished However any program cycle start times remaining in queue after the day change to an unscheduled watering day will be canceled This rule applies to all automatic and manual operations 12 Erase Program Memory Erasing the program memory will remove all user defined information including run times start times and day schedule from a specified program Additionally all control options specified for the program will be reset to factory defaults 1 Set the Program Switch to select program A B C or D 2 Turn the Function Dial to Special Functions NI 3 Press the button as needed to display ERASE 4 Press the button once to display OK To initiate the erase function press the D button again to display DONE Selecting Handheld Remote Operation The TMC 424E is equipped for use with the Toro TMR 1
38. r each station starting at Step 4 on page 17 Rain Sensor Control Features Rain Sensor Timed Bypass Rain sensor input can be manually overridden by placing the sensor control switch in the bypass position see item 10 page 4 An alternate method of controlling rain sensor input is by enabling the Timed Bypass feature When enabled Timed Bypass overrides rain sensor input and sensor bypass switch function enabling the controller to continue irrigation operations regardless of rain sensor input By default the Timed Bypass mode is Off until it is enabled Once enabled rain sensor input will be bypassed for the remainder of the day At midnight Timed Bypass mode is terminated enabling normal rain sensor operations to resume 1 Turn the Function Dial to Sensors 8 TBP N Timed Bypass No is selected by default 2 Press the Por Pbutton to select TBP Y Timed Bypass Yes 18 Rain Sensor Control by Program This unique TMC 424E feature enables rain sensor control input to be enabled disabled for specific programs By default rain sensor input is active for all programs 1 Turn the Function Dial to Sensors ae Set the Program Switch to select program A B C or D Press the amp button as needed to select RS A Y Rain Sensor program A Yes default Press the PP or button to select RS A N Timed Bypass No Repeat steps 2 4 for each program as required a TO Valve Test Feature This feature
39. r operation with the Toro TMR 1 handheld remote control A handheld control option is provided in Special Functions that enables disables handheld opera tion By default operation is enabled Refer to page 13 to disable handheld remote operation aaa Ng ai TMR 1 Hea Receiver OX Pa Receiver z l 5 CAUTION 4 To fadusa the ris of alasirical nox diseoniget gowsr dafore sarviviny I WARNING II MGrl VOLTAGE 1 Install the TMR 1 remote receiver plug assembly according to the user s guide provided with the TMR 1 Kit 2 Route the receiver power wires and control cable into the cabinet through one of the available knock out access holes 3 Connect either power wire to the Hot Post terminal and the remaining power wire to a station common C terminal 4 Plug the RJ 11 connector into the Handheld Remote Port receptacle 5 For complete handheld remote operating information refer to the user s guide provided with the TMR 1 Kit 2 Appendix A TFS Series Flow Sensor Performance Data Sensor Model TFS 050 TFS 075 TFS 100 TFS 150 TFS 200 TFS 300 TFS 400 1 2 2 0 3 0 4 0 13mm 51mm 76mm 00 78 Size K Value Learned Flow PPS KValue Offset Min GPM LU Max GPM 5 10 15 20 o 25 80 5 40 45 5 o 55 60 65 80 o 85 0 o 5 10 105 no o N5 120 125 00 78 0 9 15 10
40. rol module battery clip and stow the battery in the slot provided See item 5 on page 3 3 With the Function Dial in the RUN position press the button to acquire the expansion module configuration note the displayed module identifier 4 To remove the control module from the cabinet disconnect the ribbon cable at the cabinet then press the top hinge in to release the module 5 Program the controller starting at Setting Current Time and Date on page 6 NOTE The 9V battery powers the microprocessor during an extended AC interruption Once programmed the battery can be removed or remain installed as preferred Controller output requires AC power input Controller Programming NOTE English display prompts and 12 hour a m p m time format are factory default settings To select an optional display language including Spanish French Italian German and Portuguese and or a 24 hour time format refer to the Special Function setup procedures on page 13 Set Current Time and Date 1 Turn the Function Dial clockwise to Current Time Day 229 The hour digits will begin flashing 2 Adjust the display by pressing the BP or buttons NOTE Hold either button down for rapid advance 3 Press the button to select the next field 4 Repeat steps 2 and 3 to set the current minutes year month and day current weekday will be set based on calendar setting 5 Return the Function Dial to RUN S when finished Select the Program N
41. s will operate in the order selected either sequentially or concurrently as deter mined by the Stack Overlap option selection e Automatic mode will resume when the manual operation has been completed e To advance through the station sequence press the button e To terminate manual operation at any time turn the Function Dial to OFF When the display stops flashing turn the dial to RUN Manual Program Operations This type of manual watering is also known as Semi automatic operation When a program is started manually it runs through the watering cycle as if started automatically A single program can be operated or multiple programs can be run in sequence or simultaneously NOTE All automatic program control options selected within Special Functions will also apply to all manual operations e Single Program Operation 1 Turn the Function Dial to Manual Program 2 Set the Program Switch to select program A B C or D The program letter and MAN will be displayed All stations assigned to the program will be indicated by solid circles 3 Press the button to start the watering cycle The first station in sequence will turn on The program identifier and icon will begin flashing 4 Turn the Function Dial to RUNG e The operating station number remaining station run time and the icon flashing will begin alternating with the current time of day e The stations will operate one at a time in numeric sequence
42. separate Function Dial position is provided for Manual Station 1 and Manual Program operations NOTE All program control options selected within Special Functions will also apply to all manual control operations Manual Station Operations The TMC 424E offers two ways to manually activate individual stations True manual to operate a selected station without a specified run time and Timed manual to operate selected stations with an assigned temporary run time e True Manual Operation li 2 3 Turn the Function Dial to Manual Station 1 Press the button as needed to select the station number Press the button to turn on the station ON will be displayed with the icon NOTE The station will run continuously until a navigation button is pressed or the Function Dial is turned The station will turn off automatically at Midnight A IMPORTANT Flow thresholds do not apply during True Manual and Timed Manual operations e Timed Manual Operation Press the button to select the station number Turn the Function Dial to Manual Station 2 3 Press the orGpbuttons to select a manual run time 1 minute 8 hours 4 5 To select additional stations repeat steps 2 and 3 When station selections have been made turn the Function Dial to RUN e The operating station number s remaining station run time and the icon flashing will begin alternating with the current time of day e The station
43. split the adjusted program run time in half and run a repeat back to back program watering cycle 4 Press the button to select Season Adjust for all programs by month 01 Jan 02 Feb etc 5 Press the or button adjust the value NOTE Adjusting the value to Off prevents operation of all programs for the entire month NOTE The symbol will be displayed to indicate when a Season Adjust factor is applied Special Functions The following program setup options and control parameters are provided in the Special Functions A dial position NOTE To review the factory default settings for each function refer to Appendix D Controller Default Settings on page 31 e Set delay period between sequential stations within a program cycle Set Pump Start Master Valve operation by specific programs Set Pump Start Master Valve operation for specific stations e Set delay period between pump start master valve and station sequence Set Pump Start Master Valve operation during station delay e Set program cycle repeat and delay options e Select program stacking or overlap options e Erase program memory by specific program e Set handheld remote control option e Select display language format e Select 12 or 24 hour clock format e Select station time e View controller firmware version Setting Station Delay Time Option This feature enables a delay period to be entered between sequential stations within a watering cycle
44. tallation procedures must comply with all appli cable electrical codes Some codes may require a means of disconnection from the AC power source installed in the fixed wiring and having a contact separation of at least 0 120 3mm in the line and neutral poles Make sure the power source is OFF prior to connecting the controller 1 Remove the transformer compartment cover secured by two phillips screws 2 Install 1 2 13mm conduit from the power supply to the controller 3 Route the AC power and equipment ground wires from the power source through the conduit and into the transformer compartment NOTE The controller terminal block accepts wire size up to 12 AWG 3mm 4 Secure the wires to the terminal block as follows Hot or Mains 1 to L Neutral or Mains 2 to N and equipment ground to 5 Reinstall the transformer compartment cover and apply power to the controller N s f CAUTION o adiga tha risi of alaotrival shoe at Yafo fa Jarvivi disconnaet Juwar icing Black or Green Blue Yellow l Ground Lug and Earth Ground White or Blue Connection optional NOTE In lightning prone areas an earth ground connection may be necessary to provide adequate surge protection An optional ground lug can be easily installed to facilitate a ground wire connection Contact your local Toro irrigation distributor for specific grounding recommendations 25 Rain Sensor Installation Optional All Toro rain sensors i
45. te Flow Module Setup Procedure NOTE The TMC 424E is designed for use with Toro TFS series flow sensors only Consult with an authorized Toro distributor prior to connecting other flow sensor makes For complete TFS flow sensor installation and setup information refer to the user s guide provided with the unit e Select Fill Delay option The fill delay period helps prevent false sensor readings caused by initial turoulence within long main line runs Fill delay setting postpones flow sampling up to 9 minutes after irrigation begins 1 Turn the Function Dial to Sensors ae 2 Set the Program Switch to select program A B C or D 3 Press the button as needed to display FIL OM Fill delay 0 minutes 4 Press the Por button to select a delay period 1 9 minutes in 1 minute increments or leave at OM if a fill delay is not required 5 Repeat this procedure for each program as needed starting at step 2 e Select Flow Sensor Module Master Valve Type Press the button to display MV NC Master Valve Normally Closed If the flow module does not control a master valve press the amp button twice to skip this setting NOTE When multiple flow sensor modules are installed the first module in sequence will be selected designated by the flow sensor icon AE To change the module selection press the amp or button To change the master valve type to Normally Open press the ord button to select MV NO Master Valve N
46. urer s electrical specifications and recalculate the maximum number of loads permitted based on actual values 29 Appendix C Display Alerts FUSE Station and MV PS output alert The TMC 424E features built in circuit protection to help prevent damage to the controller caused by an over current condition on any output terminal lf the controller detects an overload condition it will bypass the affected output and display the word FUSE with the affected station number identifier s All remaining stations will operate as programmed for automatic operation If the condition occurs on the Pump Start Master Valve circuit all stations using the master valve will prompt the FUSE message To clear the warning press any button The controller will continue to operate as scheduled and will attempt to run all stations as programmed Z IMPORTANT Clearing the display does not correct the problem The controller will retry the affected station s at each programmed watering cycle and bypass the affected station s until the problem is corrected Before continuing to operate the controller identify and correct the source of the problem In most cases the FUSE alert condition is caused by a faulty valve solenoid pump start relay and or shorted wire splice FLOW or NFLOW Flow sensor alarms When flow monitoring is used the FLOW error message will be displayed when a station experiences an over under or critical flow error In this event
47. ver and critical flow limits set broken lateral or mainline piping stuck valves or damaged sprinklers can be quickly detected and bypassed automatically The TMC 424E accepts up to three flow sensing expansion modules flow modules that enable the controller to read store and compare flow rate data from individual flow meters Each station connected to flow enabled expansion module has the option of being flow monitored After a defined delay period Fill Delay a flow measurement is taken If the station flow rate exceeds any of the established thresholds an alert is triggered the station is bypassed and operated at the next scheduled watering time After inserting a flow sensor expansion module the flow sensor icon 4 E is displayed and the following control features become accessible Select flow sensing operations by individual station e Automatically read and learn the flow rate of each station e Measure flow as part of normal irrigation operation Set lower upper and critical flow thresholds e Immediately disable station and flow module master valve operation if flow rate exceeds a critical flow threshold NOTE The actual or Learned flow rate for each station should be established prior to setting alert thresholds To perform this operation the Valve Test function True Manual or Timed Manual station operations can be used to operate each station for a two minute run time required to establish the Learned flow ra
48. y a Station run time icon b Start time icon c Program identifiers d Prompt displayed with Interval schedule length e Flow sensor icon displayed with flow sensor expansion module f symbol displayed when the Season Adjust function is active g Water drop icon indicates current watering activity Icon with slash indicates automatic operation is disabled Off station disabled or Rain Delay function h Prompt displayed to indicate current day within an Interval watering day schedule i Expansion module dock identifier I Hand Ill left to right j Hollow circles represent the station terminals of an installed 4 or 8 station expansion module Station positions of the current operating station or stations assigned to a program are indicated by a solid circle k Indicates the station number or start time number is currently shown in the 2 digit numeric display directly above Station number or start time number currently selected 3 Navigation Buttons The and buttons are used to select function menu items All numeric On Off and Yes No values are selected with the and lt gt buttons 4 Function Dial Turns in either direction to select the following operating control and program ming functions Run The normal position for automatic controller operations CURRENT TIME DAY D To set clock time day and date STATION TIMES 23X To set station run time START
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