Hunter FLOW-SYNC HFS Manuale di programmazione
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
2
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
3
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.
4
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
FLOWSYNC COMPONENTS
SCALE 1:1
2
3
1
5
B. FLOWSYNC 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).
2
3
4
5
1
6
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 FLOWSYNC OPERATION
7
8
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 FLOWSYNC 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
9
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).
10
• 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.
Indice
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