Diehl Hydrus Manuel utilisateur
English
HYDRUS
Ultrasonic Water Meter
Installation and user guide
1 2
5/8" x 3/4", 7 1/2" installation length,
20 GPM max. ow
3/4" S, 7 1/2" installation length,
30 GPM max. ow
3/4" L, 9" installation length,
30 GPM max. ow
1", 10
3/4"
installation length
55 GPM max. ow
1Compensating ring
2Non-return valve
I
II
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HYDRUS English
Contents
1. General information on the installation and user guide.. 4
2. General description ........................................................... 5
3. Use and operation.............................................................. 5
4. Guidelines for the HYDRUS ...............................................6
5. Transport and storage ....................................................... 6
6. Mounting / Installation .....................................................6
6.1 Installing the HYDRUS ........................................................... 7
6.2 Non-return valve ................................................................... 8
7. Communication.................................................................. 8
7.1 Optical interface .................................................................... 8
7.2 Encoder protocol ................................................................... 9
8. Operation .........................................................................10
8.1 Display / icons..................................................................... 12
8.2 Reporting date function (optional) ........................................ 12
9. Messages in the display...................................................13
9.1 Error messages ................................................................... 13
9.2 Alarm messages .................................................................. 13
10. Technical data..................................................................14
11. Error curves......................................................................15
12. Environmental notice ......................................................16
13. Certications....................................................................17
13.1 NSF International ................................................................ 17
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HYDRUS
English
1. General information on the installation and user guide
Signs and symbols
To help use this guide quickly and safely.
Identies important information about how to use the HYDRUS
most eectively!
Identies important information warning against incorrect use
of and possible damage to the HYDRUS.
Target audience
This guide is intended for trained experts. For this reason, basic process
steps are not listed.
The HYDRUS should only be installed by trained meter installers.
Personnel must be trained in the handling of electrical equip-
ment as well as the AWWA M6 Manual "Water Meters Selection,
Installation, Testing, and Maintenance."
References
American Water Works Association (AWWA), M36 Manual, Water Au-
dits and Loss Control Programs Third Edition, 2009
AWWA, M6 Manual, Water Meters - Selection, Installation, Testing and
Maintenance Fifth Edition, 2012
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HYDRUS English
2. General description
The HYDRUS is an electronic water meter designed to determine potable
water consumption.
The ultrasonic technology of the HYDRUS works reliably and yields precise
results even if exposed to dirty water and sand. Air in the pipe is not mea-
sured. This eliminates measurement errors and manipulations.
The UV-resistant housing and the completely encapsulated electronics
ensure a high durability and a long service life – even with high humidity,
ooded pits and pressure surges in the pipe system.
The HYDRUS is equipped with an optical interface and either a Nicor©,
ITRON© connector or wire end to read the data.
3. Use and operation
Intended use
The HYDRUS described here is used to measure the potable water con-
sumed in closed systems.
The HYDRUS may be used indoors or outdoors in accordance with the
technical specications (see "1. General information on the installation
and user guide" at page 4).
Non-compliant use
Any use other than that previously described or a modication to the de-
vice are considered non-compliant use. Such use or modication must be
requested in advance in writing and must be specially approved.
Do not use the HYDRUS as a tool or a lever.
Any manipulation or installation not performed properly or not in
accordance with the specications relieves the manufacturer of
all responsibility.
This is borne exclusively by the person responsible.
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HYDRUS
English
4. Guidelines for the HYDRUS
Do not break the seal on the HYDRUS!.
A broken seal immediately voids the factory warranty.
IZAR@MOBILE2 software is used to read data and set parame-
ters. This software can be found at https://www2.diehl.com/
metering/en/diehl-metering/support-center/downloads.
5. Transport and storage
Water meters are precision devices! They must be protected
against impacts and vibration!
Make sure the meter is protected against frost when in storage
and during transport (the HYDRUS can be damaged by the ef-
fects of frost)!
6. Mounting / Installation
Install in accordance with the manufacturer's specications and/
or AWWA M6 standard.
Do not install ultrasonic meters near areas subject to a sudden
drop in pressure.
Install the HYDRUS only in waterpipe frostfree areas!
If there is danger of frost, drain the waterpipe and remove
HYDRUS if necessary.
Install using supplied ber washers in order to properly seal
connection to service line.
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HYDRUS English
The HYDRUS operates in water temperatures between 34 °F
and 122 °F.
6.1 Installing the HYDRUS
Installation location
Maintain sucient distance between the HYDRUS and possible
sources of electromagnetic interference (switches, electric motors,
uorescent lamps, etc.).
Calming sections upstream and downstream of the HYDRUS are not
necessary.
Avoid a mounting position where air bubbles may accumulate in the
HYDRUS.
Preparations
If the water is dirty, install a dirt trap in the feed line upstream of
the HYDRUS.
Flush the pipes thoroughly before installing the HYDRUS.
Mounting
Close the shuto valves upstream and downstream of the water me-
ter or spacer and release the pressure in the pipeline.
Remove the spacer or old water meter.
Remove old washer, clean sealing faces and install ber gaskets.
Install the HYDRUS so that the arrow on the housing points with in
the direction of the water ow.
Install the HYDRUS in the pipeline, avoid mechanical stresses.
Protect the HYDRUS against pressure surges in the pipeline.
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HYDRUS
English
Finishing tasks
Slowly open the shuto valves upstream and downstream of the
HYDRUS.
Check for possible leaks at the connections.
The HYDRUS must always be completely lled with water.
Failure to use provided ber gaskets or equivelant may result in
connection leaks and damage to the HYDRUS.
6.2 Non-return valve
If desired, the HYDRUS can be delivered with a non-return valve (accessory).
This valve must be installed in the discharge of the HYDRUS.
5/8
" x
3/4
'';
3/4
" S;
3/4
" L (see Fig. I, page 2) NSF certied
1" (see Fig. II, page 2) NSF certied
7. Communication
The HYDRUS has dierent communication interfaces:
Optical
Encoder
7.1 Optical interface
The HYDRUS can be congured by using the integrated optical interface.
IZAR@MOBILE2 software is used to read data and set parameters. This
software can be found at https://www2.diehl.com/metering/en/diehl-
metering/support-center/downloads.
If an error occurs during conguration, conguration must be started
again using the optical interface.
For correct conguration, place the opto head on the optical interface of
the HYDRUS.
We recommend the Bluetooth Opto Head IZAR OH BT for conguration.
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HYDRUS English
7.2 Encoder protocol
Encoder is the standard communication protocol for connecting a radio
module, for example:
Pin assignment Nicor©connector *
V+ (red)
GROUND (black)
DATA (green)
Pin assignment Bare wire *
GROUND (brown)
V+ (white)
DATA (green)
* depending on variant
Pin assignment ITRON©sceam
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HYDRUS
English
8. Operation
To read the HYDRUS from the display, various information (for example,
ow rate, volume, date, reporting date, water temperature) are available
consecutively by touching the optical pushbutton.
HYDRUS Made in Germany 11/20XX
Type 171
3/4“ S
Encoder
8D Standard
IP 68
3000123
gal.
gpm
1234 5648
.de
Flow
5
4
8
10
11
6
7
2
12
13
1
9
3
1 Part no. 8 Seal
2 Protection class 9 Country of manufacture /
Date
3 Digits 10 Unit
4 Interface 11 Flow rate
5 Nominal diameter 12 Optical pushbutton
6 Type 13 Positioning aid for the opto
head
7Flow direction
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HYDRUS English
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