Hunter RC-101 IG 11/18 EZ-DM Decoder System User Manual

Installation, programming, wiring and troubleshooting guide for the Hunter EZ‑DM RC‑101 IG 11/18 decoder system.


Hunter RC-101 IG 11/18 EZ-DM Decoder System User Manual - cover page
Brand
Hunter
Document type
User Manual
Language
Chinese
Pages
1
File format
PDF
File size
1.4 MB
Published
03 October, 2026
Updated
03 October, 2026
MD5 checksum
5689E11DF94766BDA832050B7AB83A5A

About this manual

The EZ‑DM RC‑101 IG 11/18 decoder system provides a two‑wire output option for Hunter ICC2 and HCC irrigation controllers. It supports up to 54 stations and can be combined with traditional multi‑wire modules for hybrid operation.

The manual explains how to install the module in the controller, program station numbers, connect the two‑wire loop, use the P/MV jumper when needed, and troubleshoot common errors such as Err messages, duplicate station numbers, and wiring faults. This manual is written in Chinese.

What's inside

  • Installation
  • Programming
  • Wiring Requirements
  • Two‑Wire Loop Design
  • P/MV Jumper Connection
  • Technical Specifications
  • Error Messages and Troubleshooting
  • Safety and Compliance

Specifications

Output voltage24 VAC, 50/60 Hz (present only when stations are active)
Maximum stations54 stations
Cable gauge distance (example)AWG 14 – up to 500 m

Frequently asked questions

How many stations can the EZ‑DM system support?

The system can operate up to 54 stations when all modules are installed.

What is the output voltage of the EZ‑DM decoder line?

The decoder line provides 24 VAC at 50/60 Hz, and voltage appears only when a station is active.

Can the EZ‑DM decoder be used with controllers other than Hunter ICC2 or HCC?

No. The decoder is only compatible with Hunter ICC2 and HCC controllers.

When should the P/MV jumper be installed?

Install the jumper between the controller’s power module P/MV terminal and the decoder’s P/MV terminal only when the decoder is used to control a pump or master valve.

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