Hunter FLOW-SYNC HFS Manuel de programmation

Hunter Flow-Sync

Flow Sensor for Use with

Compatible Hunter Controllers

Owner’s Manual and

Installation Guide

For more information visit hunterindustries.com

FLOW-SYNCTM

HFS

3Introduction

4Flow-Sync Components

6System Overview and Flow-Sync Operation

8Installing the Flow-Sync Sensor & FCT Tee

12 Installing the Flow-Sync Sensor Into The FCT Fitting

14 Wiring the Flow-Sync to the Irrigation System

17 System Considerations

20 Troubleshooting Guide

23 Specifications and Calibration

TABLE OF CONTENTS

INTRODUCTION

The Hunter Flow-Sync allows flow-capable

controllers, such as the Hunter ACC and I-Core,

to monitor actual flow in irrigation systems.

With proper setup at the controller, this allows

the controller to record and report actual flow

in liters or gallons. Flow learning controllers can

also use Flow-Sync to learn typical flow for each

zone of irrigation, and monitor during watering

for high and low flow conditions.

Flow-Sync equips controllers to respond on

their own to incorrect system performance,

preventing damage to landscape and wasted

water resources.

This section will give you a brief overview

of some of the components of the Flow-Sync

system.

A. FLOW-SYNC

1. Impeller: Rotates when flow is occurring

2. O-rings: Provides sealing of sensor in

sensor body

3. Wires: Black and red wires connect sensor

to the ACC controller

FLOWSYNC COMPONENTS

SCALE 1:1

B. FLOWSYNC BODY (FCT Series)

1. Flow-Sync Tee: The Tee is installed into the

irrigation system and houses the Flow-Sync

2. Plug (replace with Flow-Sync at installation)

3. O-rings: Provides sealing of plug in

sensor body

4. Cap: Retains plug or sensor in sensor body

5. Cover: Snaps over the top of the sensor

Note: FCT Tees are ordered for the desired pipe

diameter separately from the Flow-Sync (see table

on page 8).

Flow-Sync is typically installed near the point of

connection, in an appropriately-sized FCT Tee.

Flow-Sync can connect to the host controller

via two direct burial-rated 18 AWG/1 mm wires up

to 1000 ft/300 m away from the controller.

Flow-Sync can also connect to ACC99D family

decoder controllers via the ICD-SEN sensor

decoder, and report up the same two-wire path

used by the ICD station decoders. Flow-Sync

does not require any additional power source.

Flow-Sync sensors operate with an impeller

positioned in the flow through the pipes.

As the impeller turns, pulses are generated to

the controller, which converts them to gallons or

liters, depending on the Units of Measurement

selection in the controller.

Flow-Sync is a reporting device, and does not

respond to flow situations on its own. Flow-Sync

is almost always installed in conjunction with a

Master Valve, which can stop flow in a damaged

pipe when high flow conditions are detected.

SYSTEM OVERVIEW AND FLOWSYNC OPERATION

The Flow-Sync Sensor is designed to install

within an FCT tee fitting, sized for the pipe in

which it will be installed.

For international applications, optional slip-BSP

adapters are available separately for sizes up to

75 mm.

INSTALLING THE FLOWSYNC SENSOR AND FCT TEE

HFS FCT Tee Fitting Models (All tees are glue/slip type fittings)

Model Material Diameter (US) Diameter (mm)

FCT 100 Schedule 40 (white) 1" 25 mm

FCT 150 Schedule 40 (white) 1.5" 37 mm

FCT 158 Schedule 80 (gray) 1.5" 37 mm

FCT 200 Schedule 40 (white) 2" 50 mm

FCT 208 Schedule 80 (gray) 2" 50 mm

FCT 300 Schedule 40 (white) 3" 75 mm

FCT 308 Schedule 80 (gray) 3" 75 mm

FCT 400 Schedule 40 (white) 4" 100 mm

BSP Adapters

Diameter (mm) Model

25 mm 795700

37 mm 795800

50 mm 241400

75 mm 477800

Install the FCT tee fitting first, then install the

Flow-Sync Sensor into the fitting.

Observe the following general rules when choosing

the sensor location and preparing to install:

• Flush system with plug in place before

installing the Flow-Sync sensor, to prevent

damage to the impeller.

• Always install Flow-Sync together with a

Master Valve, to provide overflow protection.

• Install the Flow-Sync and Master Valve as

near the point of connection to the water

supply as possible.

• Flow-Sync requires a section of straight

pipe on either side of the tee fitting to provide

accurate measurement of flow. Tees, ells,

and other fittings cause turbulence which

affects accuracy.

• There must be a length of straight pipe at least

10 times the diameter of the pipe upstream

from the Flow-Sync (toward the water supply).

• There must be a length of straight pipe at least

5 times the diameter of the pipe in the down-

stream direction (toward the sprinklers).

• Example: FCT-200 is installed in a 2"/50 mm

diameter pipe. The tee should have 20"/50

cm of straight pipe upstream, and 10"/25 cm

straight pipe downstream.

• Install the Flow-Sync and FCT assembly in a

sturdy irrigation valve box.

• Flow-Sync has an impeller which will turn in

the flow of water. If the water source is not a

public water supply, add a filter upstream from

the Master Valve and Flow-Sync to protect

the impeller from rocks or stones, which may

damage the impeller.

The FCT tee fitting is designed for glue (“slip”)

connection. Use approved PVC solvent-welding

glue to install either threaded fittings, or directly

into the irrigation pipe if desired.

Metric thread adapters are available and are

listed in this manual on page 8.

Avoid excess glue when attaching

fittings. Uncured blobs of excess glue

on the fitting’s interior can interfere

with paddlewheel operation.

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