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ACC2 Decoders
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ACC2 Decoders
ACC2 Decoder is designed to operate Hunter ICD decoders. The ICD decoders must be programmed with station numbers before they will operate. See the Decoder menu for detailed
Important Connections and Tips
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Facepack
"Facepack" is a Hunter term for the enclosed, removable control panel and display assembly. It contains the brain and memory of the controller. Reversing the Facepack The
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Internal Features
1Facepack Cable The facepack cable connection is located beneath the status light. It is a standard connector with a locking lever on one side, which must be
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Components (Decoder)
External Components 1 Front Door 2 Face Frame 3 Facepack 4 Face Frame Latch 5 Facepack Cable The facepack cable connection is located beneath the Status
Decoder Wiring and Tips
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Decoder Tips
Each decoder output module is equipped with diagnostic LED lights. Each light is labeled on the deck lid. WIRE TIES Wire tie holders are molded into the lower back
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Field Wiring
Proper installation and connection of the decoder two-wire paths is very important. Use only Hunter IDWIRE or an approved substitute. Use only Hunter DBRY-6 waterproof
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Universal Two-Wire Decoder Staking kit
The DECODER STAKE raises the decoder off the ground to provide easy access for wireless programming tools (ICD-HP & EZ-DT) during routine maintenance, keep wiring and connections
Operating the Controls
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Operating the Controls
ACC2 has a simple control panel with unique operating features. 1 The dial is used to rotate through selections and then pushed to select, or to enter information.
Attention Messages
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Attention Messages
A new controller installation will begin with at least one or two Attention messages, because the controller has experienced a "power outage" in shipping, and may be discovering
Home and Activity Screens
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Home and Activity Screens
The Home screen offers basic information and soft key shortcuts to common functions. System status is shown in the upper right. Current date and time are displayed in the
Basic Programming
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Settings, Time and Date
From the Home screen, press Main Menu, and dial to Settings. Select Settings, and dial to Regional Settings. Choose language, time and date formats, and units of measurement.
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Pump/Master Valve Setup
From Main Menu, dial to the Stations menu. Set Station P/MV Usage for each station, if necessary. P/MV outputs 1 through 3 always refer to the output terminals on the Power
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Pump/Master Valve Setup (Decoder)
In the decoder controller, P/MV outputs can be assigned to either direct terminals in the controller, or to ICD-100 station decoders. P/MV outputs 1 through 3 refer to the
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Program Start Times
From Main Menu, dial to the Programs menu and select. This is where basic automatic irrigation is set up. A basic program requires Start Times, Run Times, and Water Days to
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Names
ACC2 allows items to be named, with an on-screen keyboard that appears in the Name field (or from a mobile device, if the optional Wi-Fi module is installed). Names are useful in
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Program Run Times
You can access Run Times from the programming menu, or from the soft key shortcuts from the Start Times screen. This allows you to set up an entire program (start times, run
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Program Water Days
Verify you are in the correct program by number or name, and set the days for automatic watering. Mode selects a type of schedule. Day of Week: Check the boxes for the
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Program Seasonal Adjust
Programs menu, Seasonal Adjust. When using Solar Sync, set up at Devices page first, then go to Seasonal Adjust. Seasonal Adjust Mode: Set a percentage adjustment to
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Manual Starts and Test
On the Home screen, the Manual soft key lets you start stations, programs, or a test program. Once you press Manual, there are three choices: Manual Stations Specify
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Program Calendar Days Off
Create a list of dates on which the whole controller will not be allowed to run, regardless of Water Day settings. Programs that have been set to Ignore Calendar Days Off in the
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Program Summary
Once a program has start times, run times, and water days, it will run automatically without further setup. To see how the program is configured, select Program Summary from the
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Stop Commands
Any running irrigation can be stopped immediately from the Home screen. The top soft key offers the following choices for stopping irrigation: Stop All Irrigation
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P/MV Operation
Dial to the Devices menu, and select P/MV Operation. Each P/MV will be checked for Normally Closed operation. This is a station level setting, meaning that the P/MV is activated by
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Program Program Rules
Program Rules customizes each program for special purposes. Ignore Calendar Days Off Check the box if the program should be allowed to run on Calendar Days
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Sensors
Rain shutoff and other sensors must be setup in the Devices menu. Clik Sensors Dial to the Devices menu, and select Clik Sensors for basic Hunter "Clik" sensors.
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Sensors (Decoder)
Rain shutoff and other sensors must be setup in the Devices menu. We tell the controller what sensors are connected, and in some cases we set the response for each sensor.
Stations Menu
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Station Setup
Allows stations to be named. Most other functions are described in more detail in the Flow Operations section. Station P/MV Usage indicates which normally-closed P/MV
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Cycle and Soak
Used to control runoff and puddles when soil or slope cannot absorb all irrigation at once. Set the Cycle to the maximum time the station can run at once, before runoff occurs.
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Blocks
A Block is an electronic group of stations that runs at the same time, for the same run time, within a program (Blocks replace “SSGs” in original ACC). To create a Block,
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Station Limits
Station Limits set how many stations can run at once. Stack or Overlap means that each program can be manually set to overlap with other programs, or be required to stack.
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Station Limits (Decoder)
Station Limits set how many stations can run at once, at various levels. Stack or Overlap means that each program can be manually set to overlap with other programs, or be
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Station Summary
The Station Summary is a report available for each station showing exactly how it is going to run, based on the current setup and programming. It is a report only, and does not
Devices Menu
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Devices Menu
Devices allows setup of common external devices that the controller can use. The functions in the Devices menu are covered in more detail in other sections. P/MV
Devices Menu (Decoder)
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Devices Menu (Decoder)
Devices allows setup of common external devices that the controller can use. The functions in the Devices menu are covered in more detail in other sections. P/MV
Settings Menu
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Settings Menu
Time/Date Sets time and date, see Basic Programming, and Time/Date section. Regional Settings Sets Regional preferences, see Basic Programming, and Time/Date
Diagnostics Menu
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Diagnostics Menu
Attention messages do not interfere with normal automatic irrigation. All attention messages on the Home screen create logs. The first step to understanding any problem or
Diagnostics Menu (Decoder)
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Diagnostics Menu (Decoder)
Attention messages do not interfere with normal automatic irrigation. All attention messages on the Home screen create logs. The first step to understanding any problem or
Advanced Features
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Advanced Features
Export Logs Logs may be exported in a simple text format to the internal SD card in the facepack if additional help is needed for troubleshooting, or just for record
Flow Operations
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Flow Alarm Handling
When stations are running, the Flow Monitor continuously checks the actual flow from the sensor(s) against the combined learned flow of the stations, including the overflow and
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Flow Menu
The flow menu includes all setup for the various flow functions. These are described in detail in the Flow Operations section. Clear Flow Alarms The Clear Flow Alarm
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Flow Operations
The two major parts of Flow Operations are the Flow Manager, and the Flow Monitor. Checking either will display a reminder of the steps for setting these features up. Press the
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Set Up Flow Monitor
The Flow Monitor requires the following information to operate correctly: Install and set up a flow sensor (Devices menu). Install and set up a P/MV (Devices menu). Set
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Set Up Flow Manager
Flow Manager runs simultaneous stations to reach a programmable flow rate target. It allows the controller to decide which stations to run, to keep total flow as close to the pipe
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Set Up Flow Manager (Decoder)
Flow Manager runs simultaneous stations to reach a programmable flow rate target. It allows the controller to decide which stations to run, to keep total flow as close to the pipe
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MainSafe
A MainSafe is an optional level of flow monitoring and protection above the Flow Zone level. It is especially useful when: More than one Flow Zone has been configured from
Conditional Response
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About Conditional Response
Conditional Responses allow a sensor or condition to trigger something to happen. This can be as simple as telling a station to start when a sensor is opened, to much more complex
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SOS
SOS (Status Output Station) An SOS is a dedicated station output that is only used with Conditional Response. The purpose of the SOS is to trigger an external light or other
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SOS (Decoder)
SOS (Status Output Station) An SOS is a dedicated station output that is only used with Conditional Response. The purpose of the SOS is to trigger an external light or other
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Switch P/MVs
To enable P/MV switching on sensor input, each station in the affected Flow Zone should be set to call for both P/MV outputs. When the sensor is alarmed, or changes position, it
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Set up a Conditional Response
Dial to Advanced Settings and select Conditional Response. Each response has a soft key for the “If” condition, a “Then” condition or action, and “Review Statement” to verify that
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Start Stations, Programs, and Blocks
When using Conditional Response to start a station, Block, or program, other options appear below the selection. Mode If the Mode is set to Manual, the station,
Troubleshooting
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Troubleshooting
Symptom Solution Attention Messages Press View Messages, and/or View Logs Continue troubleshooting
Decoders Menu
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About Decoders Menu
ACC2 Decoder controllers have an additional menu for decoder functions. ACC2 is designed to work with Hunter ICD decoders, and will not operate decoders from other manufacturers.
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View Configuration
View Configuration can retrieve all the setup information for a specified decoder on the two-wire path, or for one attached to the programming port. It is similar to the Read
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Station Assignments
When multiple decoder output modules are present, the range of station numbers allowed on each one can be changed, or "mapped." This allows you to assign more than 75 stations to a
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Decoder Diagnostics
The Diagnostics screen displays an overview of the electrical status of each installed output module, plus additional functions. Each module’s electrical current is shown. When
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Decoder Inventory
This runs a test communication to all decoder addresses on the selected output module to verify which decoders are installed and operational on the two-wire paths. Use the
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Update Decoders
You can update all installed decoders via the two-wire paths with this command, if a new version of decoder firmware is available and uploaded into the controller. Station and P
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Program Decoder
This allows setting or changing a decoder’s station address(es). Hunter decoders must have at least one station number programmed into the decoders before they will operate. In