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Summary of Contents for K-Rain KRC 9
- Page 1 User Manual WARRANTY...
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Page 2: Table Of Contents
Stacking Start Times Electrical Outputs Upload to Contractor Memory Electrical Specifications Overload Protection Download Contractor Memory Wiring Power Failure Rain Sensor Servicing Rain Delay Servicing your Controller Pump Connection Warranty Display Contrast Seasonal Adjustment Fuse All other content is Copyright © K-Rain Australia 2022. -
Page 3: Overview
Overview Introduction The KRC9 Professional Irrigation Controller covers a wide range of applications from residential and commercial turf, to light agriculture and professional nursery. ® This instruction manual contains useful information on the proper use and care of this product. Please read through all instructions before attempting to program and use your KRC9 ®... -
Page 4: Main Components
Overview Main Components 7. SENSOR switch 1. LCD display 8. MAIN DIAL 9. Terminal cover 4 of 40... -
Page 5: Features
Overview Features Max no. ZONES Max no. PROGRAMS Max no. STARTS per PROGRAM Looping PROGRAM 5; max. 99 loops 12:59 hrs Max. RUN TIME/DELAY (can be multiplied up to 200%) 7 Day, Interval Days (up to 15), Scheduling options (per PROGRAM) Odd, Even, Odd-31 SEASONAL ADJUSTMENT Per month, 10-200%... -
Page 6: Programming
Programming How Programming Works This controller has been designed with 5 separate programs to allow different landscape areas to have their own individual watering schedules L A PROGRAM is a method of grouping zones (valves) with similar watering requirements to water on the same days. These zones will water in sequential order and on the days selected L Group the zones (valves) which are watering similar landscape areas together. -
Page 7: Set Automatic Program
Programming (continued) Set Automatic Program Set the automatic PROGRAM This controller has been for each group of zones designed for quick intuitive (valves) by completing the programming. Remember following three steps: these simple tips for hassle free programming: 1. Set watering START TIMES ®... -
Page 8: Set Current Time, Day And Date
Programming (continued) Set Current Time, Day and Date 1. Turn the MAIN DIAL to ® The calendar only needs CLOCK-CALENDAR to be set when selecting odd/even day watering 2. Use to adjust the flashing minutes [a] 3. Press and then use to adjust the flashing hours [a] ®... -
Page 9: Set Start Times
Programming (continued) Set Start Times ® All zones will run in 5. Use sequential order for adjust if required each start time ® Ensure AM/PM is correct L For this example, we 6. Press and the will set a START TIME minutes [g] will flash for PROG No. -
Page 10: Set Watering Days
Programming (continued) Set Watering Days L This unit has individual day, 4. Use to cycle through EVEN/ODD date, ODD-31 the days of the week date and INTERVAL ® Active days will be shown DAYS selection with underneath Individual Day Selection: ODD/EVEN Date Selection 1. - Page 11 Programming (continued) Set Watering Days (continued) ® Press again for ODD- 31 [j] if necessary ® INTERVAL DAYS 1 [k] will be flashing ® The 365-day calendar ® Use or to select from must be set correctly 1 to 15 day intervals for this feature, (see Set Current Time, ®...
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Page 12: Set Zone Run Times
Programming (continued) Set Zone Run Times ® ZONE RUN TIME is the L The controller has length of time each zone permanent memory so if (valve) is scheduled to water there is a power failure, even on a particular PROGRAM if the battery is not installed, the programmed values ®... -
Page 13: Set Additional Programs
Programming (continued) Set Run Times (continued) ® To turn a ZONE OFF, set L This completes the setup procedure for PROG No. 1 both the hours and minutes to 0, and the display will flash OFF [m] as shown Set Additional Programs ®... -
Page 14: Run A Single Zone
Manual Operation Run a Single Zone ® The maximum run time ® If there is a pump or is 12 hours 59 minutes master valve connected, PUMP A [o] will be shown 1. Turn the dial to in the display, indicating MANUAL ZONE the pump/master is active and the RUN TIME 3. -
Page 15: Edit Manual Run Time
Manual Operation (continued) Edit Manual Run Time 1. To edit default MANUAL 5. Use or to adjust RUN TIME turn the dial to the RUN TIME hours MANUAL ZONE 6. Once the desired RUN ® ZONE No. 1 [n] will flash TIME is set, press save this as the default and the RUN TIME... -
Page 16: Other Features
Other Features Stop Watering Upload to Contractor Memory 1. Turn the MAIN DIAL ® To stop an automatic or to ALL OFF manual watering schedule, turn the dial to ALL OFF 2. Press at the same ® For automatic watering time, and the display will read LOAD UP and SAVE remember to turn the dial... -
Page 17: Rain Sensor
Other Features (continued) Rain Sensor 1. When installing a rain ® The default mode is ON for all zones sensor, first remove the factory fitted link between ® If a zone is labelled ON the COM and SENS on the display, this means terminals as shown your rain sensor will be able to control the valve... -
Page 18: Rain Delay
Other Features (continued) Rain Delay ® To adjust the timing of 3. Use or to alter the rain your rain sensor, this delay time in increments controller features a of 24 hours at a time RAIN DELAY setting ® A maximum delay of L This allows a specific delay 9 days can be set time to elapse after the rain... -
Page 19: Pump Connection
Other Features (continued) Pump Connection L This unit will allow zones 4. Use to activate to be assigned to a pump pump when running the selected ZONE ® The default position is that all zones are 5. Press again to switch to assigned to PUMP A [r] PUMP A on PROGRAM 1 [t] 1. -
Page 20: Display Contrast
Other Features (continued) Display Contrast 1. To adjust the LCD 3. Use or to adjust the contrast, turn the dial display contrast as desired to PUMP SETTINGS 4. To save your setting, turn the dial back to AUTO 2. Press repeatedly until the display reads CON ®... - Page 21 Other Features (continued) Seasonal Adjustment (continued) L By default, the display will 4. To return to the clock, show the current MONTH turn the dial to AUTO ® For example, if ZONE No. 1 5. If the BUDGET% [v] for is set to 10 minutes then your current month is not 100%, this will be shown it will run for 10 minutes...
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Page 22: Fuse
Other Features (continued) Fuse ® Use only 1 amp fuse M-205 L If the fuse has blown, or there is none installed, the display will flash FUSE FAULT [w] System Test 1. Turn the dial to 2. Press to advance to SYSTEMS TEST the next zone before the 2 minute period has elapsed... -
Page 23: Looping Setup
Other Features (continued) Looping Setup 1. Turn the MAIN DIAL to 6. Use to adjust ZONE RUN TIMES the number of loops 2. Repeatedly press ® This controller has a access PROGRAM 5 max of 99 loops settings and Hrs MIN 7. Press 3. - Page 24 Other Features (continued) Looping Setup (continued) 12. Press again and the 13. Use or to toggle display will read LOOP RUN between the Hrs MIN or MIN SECS [A] time settings [A] at this stage that were previously set L This will also change times set for PROGRAM 5 to Hrs MIN or MIN SECS 14.
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Page 25: Clearing The Programs
Other Features (continued) Clearing the Programs ® As this unit has a permanent 3. Press to clear all PROGRAMS memory feature, the best way to clear the 4. All functions for setting PROGRAMS is as follows: TIME, START TIMES, 1. Turn the dial to ALL OFF WATERING DAYS and RUN TIMES will be 2. -
Page 26: Installation
Installation Mounting Controller ® Install the controller near a ® The housing is designed 240VAC outlet–preferably for outdoor installation in a house, garage, or but the plug needs to be exterior electrical cubicle installed in a weatherproof socket or under cover ®... -
Page 27: Electrical Hook-Up
Installation (continued) Electrical Hook-up Á Installation must be Á Avoid connecting carried out in accordance to a 240VAC supply with these instructions also servicing motors and all Local, State (ie. pool pumps, and Federal codes refrigerators, etc.) Á Disconnect all 240VAC power before commencing any wiring or valve connection Field Wiring Connections... -
Page 28: Terminal Block Layout
Installation (continued) Terminal Block Layout TERMINAL BLOCK 24VAC PUMP 24VAC SENS 6. 24VAC—24VAC power 9. PUMP 1—Master valve ST24 supply connection or pump start output 7. COM—Common wire 10. ST1–ST9—Zone (valve) connection to field wiring field connections 8. SENS—Input for rain switch ®... -
Page 29: Master Valve Installation
Installation (continued) Master Valve Installation ® For a detailed illustration ® It is used like a backup valve of valve installation, or fail safe device and is view page 32 installed at the start of the irrigation system where it ®... - Page 30 Installation (continued) TERMINAL BLOCK TERMINAL BLOCK 24VAC 24VAC PUMP PUMP 24VAC 24VAC SENS SENS SENS RAIN SENSOR (OPTIONAL) SENS COMMON 30 of 40...
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Page 31: Zone Valve Installation
Installation (continued) Zone Valve Installation ® Up to two 24VAC solenoid ® When using multiple valves valves can be connected per zone, the common wire to each zone output and needs to be larger to carry wired back to the Common more current. -
Page 32: Pump Relay Connection
Installation (continued) Pump Relay Connection L This controller does not ® Although the controller has provide mains power to permanent memory and drive a pump–a pump thus a default program must be driven via an will not cause erroneous external relay and contactor valve actuation, it is still (pump start) setup good practice when using... -
Page 33: Pump Installation
Installation (continued) Pump Protection (continued) ® In the above example ® It is mandatory if the system this would mean zones test routine is going to 5 through to 6 would be used, that all unused, become active and would spare zones, should be cause the pump to operate linked together and then... -
Page 34: Troubleshooting
Troubleshooting Symptom Possible Cause Suggestion Install a charged battery. If the display Flat battery or still doesn’t work, then check the No display no mains power or transformer or the main power supply. fuse blown If main power supply is working, check and replace the fuse if necessary Swap faulty zone wire on controller terminal block with known working zone wire. -
Page 35: Electrical Specifications
Electrical Specifications Electrical Outputs toroidal transformer for Power Supply long life performance L Mains supply: this unit runs off a 240 volt 50 Electrical Power Supply hertz single phase outlet L Input 24 volts 50/60Hz L The RTC uses a coin cell placed on the back of the Electrical Outputs board, to get access to... -
Page 36: Electrical Specifications
Electrical Specifications (continued) Overload Protection Power Failure L Standard 20mm M-205 L The controller has 1 amp fast blow glass fuse, permanent memory and real protects against power time clock, so the data is surges and electronic fuse always backed up even with rated to 1AMP protects the absence of all power against field faults... -
Page 37: Servicing
Servicing Servicing your Controller ® The controller should ® This allows you to easily always be serviced by wire them back to the an authorised agent. controller and maintain your valve watering scheme L Follow these steps to return your unit: 5. -
Page 38: Warranty
Warranty 5 Year Replacement Guarantee Holman Industries offers a 5 Year To the extent permitted by law, this Holman replacement guarantee with this product. Replacement Guarantee excludes liability for consequential loss or any other loss In Australia our goods come with or damage caused to property of persons guarantees that cannot be excluded arising from any cause whatsoever. - Page 39 For support email info@k-rain.com.au or contact the friendly 11 Walters Drive, Osborne Park WA 6017 Customer Service team at Holman Industries on 08 9416 9999...
- Page 40 This will ensure we have a copy of your purchase and activate an extended warranty. Keep up to date to with relevant product information and special offers available through our newsletter. Scan here, or visit k-rain.com.au/register for more info...
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Do you have a question about the KRC 9 and is the answer not in the manual?
Questions and answers
Whot is looping setup
The looping setup for the K-Rain KRC 9 involves the following steps:
1. Use the controls to toggle between hours, minutes, or seconds for the desired loop duration.
2. Set the run times for each zone.
3. Adjust the time between loops as needed.
4. Enable looping by selecting "LOOP ON."
5. Set the number of loops required.
6. Adjust the looping time settings, ensuring consistency with the program's timing.
7. Save the loop settings.
8. The looping setup affects PROGRAM 5, which controls automatic looping.
This setup allows repeated watering cycles with specified intervals between each loop.
This answer is automatically generated
The manual does not say what happens to an automatic watering program when the power goes off. Is the watering program aborted? Does it continue as if the power is still on? Or is it suspended until the power goes back on? These questions are important, as the controller is intended for use with an Off-Grid Solar system whose Inverter may drop out in cloudy weather when the system batteries run low.
When the power goes off, the outputs of the K-Rain KRC 9 controller do not run because the internal transformer requires mains power to operate the valves. The lithium battery helps maintain data during power outages, but it does not power the outputs. Therefore, automatic watering programs will not run during a power outage.
This answer is automatically generated
I cannot find anything in the manual that explains what "contractor memory is" and what it is used for.
Contractor Memory in the K-Rain KRC 9 is a feature that allows users to save a specific watering program for future use. It is used to upload and store a preset program configuration, which can be reloaded when needed. To save a program to Contractor Memory, the main dial must be turned to "ALL OFF," and then two buttons must be pressed simultaneously until the display reads "LOAD UP" and "SAVE CONTRACTOR MEMORY."
This answer is automatically generated