Hunter WFS Manuel de programmation
WIRELESSFLOWSENSOR
WFS
Hunter Wireless-Flow-Sync
Owner’s Manual and Installation Guide
Wireless Flow Sensor for Use with Compatible Hunter Controllers
TABLE OF CONTENTS
INTRODUCTION................................................................................................................3
WFS COMPONENTS ........................................................................................................4
SYSTEM OVERVIEW AND WFS OPERATION .................................................................6
INSTALLING THE WFS SENSOR & FCT TEE ...................................................................8
INSTALLING THE WFS SENSOR INTO THE FCT FITTING ............................................12
CONNECTING THE WFS TO THE IRRIGATION SYSTEM .............................................14
SYSTEM CONSIDERATIONS ............................................................................................17
TROUBLESHOOTING GUIDE ..........................................................................................20
SPECIFICATIONS AND CALIBRATION ............................................................................23
3
The Hunter WFS 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 WFS to learn typical flow for each zone
of irrigation, and monitor during watering for
high and low flow conditions.
WFS equips controllers to respond on
their own to incorrect system performance,
preventing damage to landscape and wasted
water resources.
INTRODUCTION
4
This section will give you a brief overview
of some of the components of the
Wireless-Flow-Sync system.
1. Impeller: Rotates when ow is occurring
2. O-rings:
Provides sealing of sensor in
sensor body
3. Wire:
Black wire connects to the sensor
transmitter
WFS COMPONENTS
2
3
1
5
3
4
2
1
1. Flow-Sync Tee: The Tee is installed into the irrigation system and houses the WFS
2. O-rings:
Provides sealing of plug in sensor body
3. Plug:
(replace with WFS at Installation)
4. Cap:
To seal plug to Flow-Sync-Tee
WFS TEE ASSEMBLY
6
The WFS is typically installed near the point of
connection, in an appropriately-sized FCT Tee.
The WFS transmitter can connect to a host con-
troller up to 500ft/152M away.
WFS 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.
WFS Sensor is a reporting device, and does not
respond to flow situations on its own. WFS 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 WFS OPERATION
7
WFS ICORE
WIRING
8
INSTALLING THE WFS 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
The WFS 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.
9
Install the FCT tee fitting first, then install the
WFS 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 WFS sensor, to prevent damage
to the impeller.
• Always install WFS together with a Master
Valve, to provide overflow protection.
• Install the WFS and Master Valve as
near the point of connection to the water
supply as possible.
• WFS 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 WFS (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).
INSTALLATION
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 WFS and FCT assembly in a sturdy
irrigation valve box.
• WFS 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 WFS 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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