Solar Sync^®

Sensor: ET/Rain/Freeze

Type: Wired & Wireless

This sensor automatically adjusts controller run times daily based on local climate conditions to reduce water usage and improve plant health.

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Overview

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The Solar Sync ET sensor is an advanced weather sensor that calculates evapotranspiration (ET) and adjusts Hunter controllers daily based on local weather conditions. Solar Sync measures sunlight and temperature, and uses ET to determine the correct seasonal adjustment percentage value to send to the controller. The controller then uses its programmed run time and adjusts to Solar Sync’s seasonal adjustment value to modify the actual irrigation run time for that day. In addition, the Solar Sync ET sensor integrates Hunter’s popular Rain-Clik™ and Freeze-Clik® sensors providing quick response in shutting down your irrigation system during rain and/or freezing conditions. The Solar Sync is compatible with most Hunter controllers and applicable to residences, businesses, and municipalities alike.

Key Benefits

Automatically adjusts irrigation duration based on weather conditions using on-site solar radiation and air temperature
Quick Response® instant rain shutoff and freeze shutoff at 37°F
Maintenance-free design with integrated battery for wireless models
Adjustable vent ring allows for shorter or longer reset period
Rugged polycarbonate housing and metal extension arm
Includes gutter bracket and wall mount with wireless models
Use with Hunter standard controllers, Centralus™ with ICC2 or ACC2, and IMMS™ online central control installations

Advanced Features

EPA WaterSense Approved

By adding a Solar Sync™ to your Hunter controller, it transforms into a smart controller using local weather conditions to tailor watering schedules to actual conditions on the site. A Hunter controller with Solar Sync has been independently proven to have a detailed list of water saving features and has been approved by the EPA as a WaterSense Smart Watering Controller. Click here to learn more about Smart Controllers.

Models

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Solar Sync®

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Models

SOLAR-SYNC-SEN

Solar Sync sensor, wire, and gutter mount

WSS-SEN

Wireless Solar Sync sensor, receiver, and gutter mount

WSSR

Wireless Solar Sync receiver only

Select user-installed options

Options

WS-GUARD

Vandal-resistant wireless sensor guard for flat surfaces or pole mounting (order sensor separately)

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WR-GUARD

Vandal-resistant wireless receiver guard for pedestal mounting (order receiver separately)

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Note: New Hunter controllers listed as Solar Sync compatible do not require the Solar Sync module, and use the sensor-only models.

Specs

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Wired Solar Sync sensor with mounting arm

Height: 3"
Width: 8½"
Depth: 1"

Wireless Solar Sync sensor with mounting arm

Height: 4½"
Width: 8½"
Depth: 1"

Wireless Solar Sync receiver with wall mount kit

Height: 5½"
Width: 1½"
Depth: 1½"

Wireless Sensor Guard
(with mounting hardware)

Height: 2¾"
Length: 3¾"
Depth: 1¼"

Wireless Receiver Guard
(with mounting hardware)

Height: 5"
Length: 4"
Depth: 1¼"

OPERATING SPECIFICATIONS

Solar Sync:
- Adjusts run times daily 3 minutes before midnight using the last 3 days of ET (evapotranspiration) data
Quick Response:
- Time to turn off irrigation system: approximately 2 to 5 minutes for Quick Response
- Time to reset Quick Response: approximately 4 hours under dry, sunny conditions
- Time to reset when fully wet: approximately 3 days under dry, sunny conditions
All models switch rating (24 VAC): 3 A
Wired models include 25' of 20 AWG sheathed, two-conductor, UL-approved wire
Wireless model operating frequency: 433 MHz
Wireless model range is 800' line of sight from sensor to receiver
Multiple wireless receivers can be operated from a single wireless sensor
Approvals: UL, cUL, FCC, CE, RCM
Warranty period: 5 years

Documents


	Solar Sync	Flow-Sync^®	WFS	MWS
QUICK SPECS
Sensor Type	ET/Rain/Freeze	Flow	Flow	Wind/Freeze/Rain
Available Wireless	Yes	No	Yes	No
Compatible Controllers	ACC ACC2 ACC2 + Centralus ICC2 ICC2 + Centralus I-Core Pro-C PCC X-Core	ACC ACC2 I-Core	ACC ACC2 I-Core	ACC ACC2 HC HCC HPC I-Core ICC2 Pro-C Pro-HC PCC X2 X-Core XC Hybrid* NODE* NODE-BT* WVC*
Warranty	5 Years	5 Years	5 Years	5 Years
APPLICATION
Rain Sensor
Freeze Sensor
Wind Sensor
Flow Sensor

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Solar Sync®

This sensor automatically adjusts controller run times daily based on local climate conditions to reduce water usage and improve plant health.

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Solar Sync^®