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MCPLUS SERIES 6
C O N T R O L L E R S
MC-42 PLUS
stations

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Do you have a question about the MCPLUS Series and is the answer not in the manual?

Questions and answers

Howdy Hoover
April 2, 2025

Digital display on our MC-12 Plus shows a flashing "fuse". Manual says nothing about fuses. Where is the fuse? Is it easily replaceable?

1 comments:
Mr. Anderson
April 2, 2025

The fuse location is not specified in the provided information, and there is no indication of whether it is easily replaceable.

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Summary of Contents for Irritrol MCPLUS Series

  • Page 1 MCPLUS SERIES 6 C O N T R O L L E R S MC-42 PLUS stations...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Table of Features ..................Location of Parts ..................Installing and Wiring the Controller ............I Selecting the Site ..................Mounting the Controller................. 1 Connecting the Power................2 Hooking Up the Valves ................4 How the Backup System Works ............. .6 Installing and Using Sensor Ports ............
  • Page 3: Table Of Features

    TABLE OF FEATURES Thank you for purchasing the IrriTrol MC/du.s Series Controller. Listed below are some important features you should be aware of before you begin programming. Details on how to implement these features are described on the following pages.
  • Page 4: Location Of Parts

    LOCATION OF PARTS Function Dial For selecting programming and operating functions. Calendar/Program Erase Calendar for setting calendar length ( 1 to 16 days) and/or program erase for erasing all programmed information. Station Test For running a valve test for all stations from 1 to 9 minutes. Options For selecting options, single program option and seconds watering time option.
  • Page 5: Installing And Wiring The Controller

    INSTALLING & WIRING THE CONTROLLER This section includes instructions for installing the controller and hooking up the electricity. To ensure safe operation, it is important to follow the instructions carefully. The following topics are covered: Selecting the site Mounting the controller Connecting the power Hooking up the valves -Testing the valve hook-ups...
  • Page 6 - CONTINUED - CONTINUED C A U T I O N : DO NOT wire 120 volts directly to the PC board CONNECTING THE POWER terminals; the transformer supplied with the controller MUST be used. The controller is a solid-state microcomputer that may be affected by 3.
  • Page 7 - CONTINUED - CONTINUED HOOKING UP THE VALVES IF YOU HAVE A PUMP A maximum load of 30VA ( 1.24 amps) may he connected to In cases where a pump is to he controlled by the master valve output, each station. A maximum total load of 43 VA (1.8 amps) may he DO NOT drive the pump directly from the controller.
  • Page 8 - CONTINUED - CONTINUED HOW THE ELECTRONIC CIRCUIT HOW THE BACKUP SYSTEM WORKS BREAKER WORKS The controller is equipped with non-volatile memory for retention of programmed information. Once programming is complete, the The controller is equipped with an electronic circuit breaker. If the controller detects a short circuit on a station, the shorted station (valve) controller will retain your program in the event of a power failure.
  • Page 9: How To Set The Current Time And Day

    HOW TO SET THE - CONTINUED CURRENT TIME & DAY PROGRAM Before you can program the controller for watering, you must set the EXAMPLE A: current time and day of the week. This information is used to control the watering schedules. Once set, the time and day apply to all pro- To set the time to 10:25 grams.
  • Page 10: Setting The Current Day

    HOW TO PROGRAM THE - CONTINUED CONTROLLER FOR WATERING SETTING THE CURRENT DAY To set up a regular watering schedule, follow the steps below. This section covers the following topics: Make sure the dial is set to any program (e.g., Program 1). Developing a watering plan Press the number key that corresponds to the current day of the Erasing any prior programs...
  • Page 11: Erasing Any Prior Programs S

    - CONTINUED - CONTINUED SAMPLE WATERING PLAN Planning a Delav Between Valve Openings C y c l e Water Time If you plan to program a delay between valve openings, be sure to Duration Program Days Start Times Stations include that delay time in your watering plan. In all programs, the delay Every A.M.
  • Page 12: Selecting The Days To Water

    - CONTINUED - CONTINUED DELETING A PROGRAMMED DAY ON SELECTING THE DAYS TO WATER If you make a mistake or want to delete a programmed day on, Refer to your watering plan and follow the steps below to select do the following: watering days.
  • Page 13: Setting The Watering Duration For Each Station

    - CONTINUED - CONTINUED PROGRAMMING CYCLE SETTING THE WATERING DURATION FOR START TIMES EACH STATION Use this feature to set the time for a watering cycle to start. The Refer to your watering plan and follow the steps below to set the watering cycle will water all the stations in a program starting at the watering duration for each station in a program.
  • Page 14: Running The Programmed Watering Plan

    OPERATING THE - CONTINUED CONTROLLER MANUALLY Manual operation allows you to perform a one-time watering function To set the start time of 5: 15 P.M. for the second cycle, without affecting the programmed watering plan. For example, you might want to turn off sprinklers on a rainy day but have watering resume normally after that.
  • Page 15: Manual Off

    - CONTINUED - CONTINUED ACTIVATING A WATERING CYCLE FOR A EXAMPLE: MANUAL. SELECTED PROGRAM To water station 5 (until you later turn it off), set the dial Use this option to water all the stations in the program you select. to Manual position: Turn the dial to the desired program.
  • Page 16: Watering One Station For The Programmed Time

    - CONTINUED - CONTINUED WATERING ONE STATION FOR RAIN OFF THE PROGRAMMED TIME Use this feature to temporarily turn off watering such as when it is Use this feature to water one station for the programmed time. Only raining. As long as this feature is on, watering cycles cannot he acti- the selected station will be watered.
  • Page 17: Testing All Stations

    DISPLAYING EXISTING - CONTINUED SETTINGS TESTING ALL STATIONS Use the features in this section to display current settings without affecting the program. For example, you can check the current time or Use this feature to test all stations without affecting the program. check the watering time for a station.
  • Page 18: Watering Information

    - CONTINUED - CONTINUED WATERING INFORMATION DISPLAYING ALL STATIONS PROGRAMMED TO WATER AND THEIR WATER TIMES This section describes how to display watering information. Current settings are not affected by displaying them. DISPLAYING WATERING DAYS FOR A PROGRAM The controller will display each programmed station in sequence with display watering days for a program without affecting the program: its watering time.
  • Page 19 - CONTINUED - CONTINUED DISPLAYING CYCLE START & END DISPLAYING WATER TIME DURATION FOR A STATION To display the cycle start and end for a program without affecting the program: To display watering time for a station without affecting the program: Turn the dial to the desired program.
  • Page 20: Using Advanced Features

    USING ADVANCED - CONTINUED FEATURES DISPLAYING CURRENT WATER The MC$tcs controller offers several advanced features for sophisticated BUDGETING PERCENT watering applications. These include: To display the current water budgeting percent without affecting the Changing the length of the watering calendar program: Using water budgeting Programming a delay between stations...
  • Page 21: Using Water Budgeting

    - CONTINUED - CONTINUED EXAMPLE: EXAMPLE: PROGRAM Assume that Program 1 waters two stations, station 1 for To change the watering calendar 30 min. and station 2 for 45 min. To adjust the watering . ’ from 7 days to 14 days, turn the time for all stations in Program 1 to 50% of their dial to the Calendar/Program current watering times, turn the dial to Program 1:...
  • Page 22: Programming A Delay Between Stations

    - CONTINUED - CONTINUED PROGRAMMING A DELAY REMOVING DELAY TIME BETWEEN STATIONS To cancel a programmed delay time, program a delay time of zero (0). Use this feature any time you need a delay between stations. The delay EXAMPLE: can be from 1 sec. to 4 min. in all programs. To remove any previously The master valve will stay on during the delay.
  • Page 23: Loop Watering

    - CONTINUED - CONTINUED LOOP WATERING You can this feature for seasonal preprogramming. For example, This feature, sometimes called “looping,” allows you to repeat the you might use Program 1 for spring watering, Program 2 for summer Program 4 watering cycle for a period you specify. You can use this watering, and Program 3 for fall and winter watering by programming feature to water a steep bank to prevent run-off or keep an area wet all different watering times for each season.
  • Page 24 - CONTINUED PROGRAMMING A LOOP DELAY NOTE: End time MUST be programmed for this loop feature to work Use station 88 to program a delay during loop watering. This special correctly. Otherwise, the controller will interpret cycle start station causes watering to pause between loops with the master valve off #2 as a regular cycle start (see page 17).
  • Page 25: Setting Watering Time For All Stations Using One Entry

    - CONTINUED - CONTINUED SETTING WATERING TIME FOR ALL DISPLAYING WHETHER LOOP WATERING STATIONS USING ONE ENTRY IS ACTIVATED This quick start feature enables you to program all stations with the verify that loop watering is activated: same watering duration. Turn the dial to Program 4.
  • Page 26: Troubleshooting

    TROUBLESHOOTING Solution.. Solution.. Make sure you have programmed cycle 1. Verify start times and current time. Will Not start times. Skips a Cycle Turn on 2. Verify program: water time, start time, Automatically Valve days on, current time, current day, and 1.
  • Page 27: Index

    INDEX ..................1 1 1 Features, Table of Fused Circuit .................... .4 , 7 Ground, Earth....................3 ................Incomplete Program Alert 88 (Loop Watermg) ..................38 Installation, Controller ................. 1 99 (Quick Start Watering) ................41 Installation, Sensor Ports ................6 Advanced Features ..................
  • Page 28 ....................Set Today Short Circuit (Fuse) ..................Shutoff of Manual Operation (Automatic) ) ..........19 Single Program, Running a ................. 35 Site Selection ....................Station 88 (Loop Watering) ) ................Deleting a Programmed ............... Placement .................... Testing All Stations ..................Time I)’...
  • Page 29 This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interface in a residential installation. This equipment generates, uses and can radiate a d radio frequency energy and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.

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