Instruction Manual

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1. Manual Test Stem
Pushing downward on stem tests transmitter communication with the receiver.
2. Rain Fall Adjustment Cap
Range adjusts from ¹⁄
8
" to 1" (3mm to 25mm). This setting will prevent watering
when rainfall reaches the specified setting.
3. Vent Ring
An adjustable ring is designed to control the rain delay duration.
4. Communication Antenna
Transmits a wireless signal (up to 200')
to the rain/freeze receiver.
5. Mounting Brackets
Attach to gutter or flat surface.
Figure 1: Rain/Freeze Transmitter
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Section 1: INTRODUCTIONSection 1: INTRODUCTION
6. Communication Antenna
Receives wireless signal from the rain/freeze sensor.
7. Manual Override Button
Functions in two ways:
1. Stops timer from watering
2. Allows watering when rain/freeze sensor is active
See Manual Override (Section 4) for additional detail
LED Panel Lights
Located on the receiver, the LED lights
communicate the current status
of the sensor. (See Figure 2)
8. Sensor Override LED
Indicates when manual override is on
(see manual override above).
9. Active Sensor LED
Indicates when the rain/freeze sensor
is overriding the sprinkler timer.
10. Low Battery LED
Indicates when battery needs to be replaced.
HRC-100-RS-RF
Figure 2: Receiver
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08HYD005598 04008-24 rA.indd 5 11/16/07 3:39:36 PM