Irritrol Rain Dial R - Manual (Page 4)

4
Internal Controller Components
1 - Battery Compartment
Snap-in cover provides easy access to 9V
alkaline battery.
2 - Control Module Ribbon Cable
Quick disconnect cable control module from
cabinet for Armchair Programming or service.
3 - Earth Ground Terminal
Wire connection terminal for earth ground
conductor.
4 - Sensor Bypass Switch
Switch controls (optional) rain/freeze sensor
input.
5 - Safety Fuse
2A Slow-blow fuse protects against short-
circuit overload on the 24 VAC input power.
6 - Power Transformer Connection
Terminals (24 VAC)
Wire connection terminals for 24 VAC
plug-in transformer and power connection
point for (optional) wireless rain or rain/
freeze sensors.
7 - Valve Common Terminal (VC)
Wire connection terminal for the valve (field)
common wire.
8 - Rain Sensor Terminals (Sensor)
Wire connection terminals for (optional)
Irritrol RainSensorTM model RS500, RS1000,
or RFS1000.
9 - Sensor Terminal Jumper
Sensor terminal jumper wire (removed
only when a rain or rain/freeze sensor is
connected).
10 - Master Valve/Pump Terminal (MV/Pump)
Wire connection terminal for (optional)
master valve or pump start relay.
11 - Valve Station Terminals
Valve connection terminals – one terminal for
each valve. (Terminal layout varies by model.
12-station model shown.)
12 - Handheld Remote Control Plug-in Port
Modular connector port required for the
Irritrol handheld remote control system
model R-100-KIT or CLIMATE LOGI weather
sensing system.
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