GE Hydran 201i User manual

GE Energy Services
Digital Energy
Hydran*
Instruction Manual
201iSystem

Instruction Manual
ii Rev. 6, March 2011 Part 17997
NOTICE OF COPYRIGHT AND PROPRIETARY RIGHTS
© 2007-2011, General Electric Canada. All rights reserved. The contents of this manual
and the information contained herein are the exclusive property of General Electric Canada,
except as otherwise indicated. You may not disclose, reproduce, publish, license, post,
transmit or distribute this manual, in whole or in part, without the prior written permission
of General Electric Canada or except as permitted by written license agreement with
General Electric Canada. General Electric Canada has made every reasonable attempt to
ensure the completeness and accuracy of this manual. However, the information contained
in this manual is subject to change without notice, and does not represent a commitment on
the part of General Electric Canada. Any included or attached hardware schematics and
technical descriptions, or software listings that disclose source code, are for information
purposes only. Reproduction, in whole or in part, to create working hardware or software
for other than General Electric Canada products is strictly prohibited, except as permitted
by written license agreement with General Electric Canada.
TRADEMARK NOTICES
* Trademarks or registered trademarks of General Electric Company and/or General
Electric Canada.
Microsoft and Windows are trademarks or registered trademarks of Microsoft Corporation
in the United States and/or other countries.
All other brand and product names mentioned in this manual are trademarks or registered
trademarks of their respective companies.
For information on other General Electric Canada products, please contact the Customer
Service:
GE Energy Services
Digital Energy
179 Brunswick Blvd., Pointe-Claire QC H9R 5N2, Canada
Tel.: [phone], Fax: [phone]
[email protected]m
www.ge.com/energy
Customer Service Center
(24 hours a day, 365 days a year):
Tel.: [phone] (United States and Canada), [phone] (worldwide)
[email protected]

Hydran 201iSystem
Part 17997 Rev. 6, March 2011 iii
SAFETY WARNINGS IN SIX LANGUAGES
[EN] (in English) WARNINGS:
• All procedures in this manual must be strictly adhered to.
• Any deviation from these could cause irreversible damages to the transformer
being monitored and/or the Hydran 201i, and could lead to property damage,
personal injury and/or death.
• Installation and maintenance of the Hydran 201imust be carried out by qualified
personnel only.
• For a maximum distance of 15 m (50 ft) from the power source, use a 14-AWG
(2.08 mm2) cable and a 15-A maximum overcurrent protection.
[FR] (in French) ATTENTION :
• Toutes les procédures dans ce manuel doivent être observées rigoureusement.
• Tout écart par rapport à celles-ci pourrait causer des dommages irréversibles au
transformateur surveillé et/ou au Hydran 201i, et pourrait entraîner des dommages
à la propriété, des blessures corporelles et/ou la mort.
• L’installation et l’entretien du Hydran 201idoivent être effectués par du personnel
qualifié seulement.
• Pour une distance maximale de 15 m (50 pi) de la source d’alimentation, utiliser
un câble de 14 AWG (2,08 mm2) et une protection maximale de 15 A contre les
surintensités.
[ES] (in Spanish) ADVERTENCIA:
• Se debe cumplir estrictamente con todos los procedimientos señalados en este
manual.
• Cualquier desviación al respecto puede causar daños irreparables al transformador
que está bajo monitoreo y/o al Hydran 201i, asimismo puede ser causa de daños
materiales, lesiones corporales y/o muerte.
• La instalación y mantenimiento del equipo Hydran 201ise reserva únicamente al
personal perfectamente cualificado.
• Para una distancia máxima de 15 m (50 pies) de la fuente de alimentación, utilice
un cable de 14-AWG (2,08 mm2) y una protección máxima 15-A contra las
sobrecargas de corriente.

Instruction Manual
iv Rev. 6, March 2011 Part 17997
[DE] (in German) WARNUNG:
• Alle Abläufe in diesem Handbuch müssen strengstens befolgt werden.
• Jede Abweichung davon könnte dem zu überwachenden Transformator und/oder
dem Hydran 201iunwiderrufliche Schäden zufügen, und könnte zu Sachschaden,
Personenverletzung und/oder Tod führen.
• Installation und Wartung des Hydran 201idürfen daher nur von qualifiziertem
Personal durchgeführt werden.
• Für eine maximale Entfernung von 15 m von der Spannungsquelle, verwenden Sie
ein 14 AWG Kabel (2.08 mm2) und einen 15 A Maximalüberstromschutz.
[IT] (in Italian) ATTENZIONE:
• Tutte le procedure del presente manuale dovranno essere eseguite in totale
conformità.
• Qualsiasi deviazione dallo stesso manuale potrebbe causare danni irreversibili al
trasformatore sotto monitoraggio e/o all’ Hydran 201i, e potrebbe causare danni
alla proprietà, lesioni personali e/o alla morte.
• L’installazione e la manutenzione del Hydran 201idevono essere eseguite solo ed
esclusivamente da personale qualificato.
• A una distanza massima di 15 m dalla fonte di energia usare un cavo 14-AWG
(2.08 mm2) e una protezione massima 15-A di sovracorrente.
[SV] (in Swedish) VARNING:
• Alla procedurer i manualen måste följas noggrant.
• Varje avvikelse från dessa procedurer kan orsaka oåterkalleliga skador på den
övervakade transformatorn och/eller på Hydran 201isamt leda till
egendomsförlust, personskada och/eller livsfara.
• Installation och underhåll av Hydran 201imåste utföras av behörig personal.
• För ett maximalt avstånd på 15 m från kraftuttaget, använd 2.08 mm2kabel
(14-AWG) och ett överströmsskydd på maximalt 15 A.

Hydran 201iSystem
Part 17997 Rev. 6, March 2011 v
PREFACE
This manual is a complete reference for the Hydran 201iSystem, which is a unique,
continuous, on-line monitor of combustible gases in dielectric oils.
The information in this manual may be used by:
• Purchaser or specifier
• Installation planner
•Operator
• Commissioning manager
• Person responsible for collecting the readings
• Maintenance technician
• Troubleshooting technician
This manual is not a tutorial on combustible gases in dielectric oil. It is assumed that the
reader is already familiar with these subjects.
This manual applies to the Hydran 201iSystem and to the Hydran 201R Model i. In this
manual, the designation “Hydran 201iSystem” also applies to the Hydran 201R Model i
and to any other combination of Hydran 201icomponents. The components of the
Hydran 201iSystem are described in Section 1.2 on page 1-2.
To help the reader, a Table of Contents, a List of Figures and a List of Tables are present at
the beginning of the manual, along with a Glossary in Appendix I at the end of the manual.
This Hydran 201i System Instruction Manual is included in PDF format in the folder
English/Manuals of the Hydran 201iSystem installation CD, along with the Hydran 201i
System Installation Guide and the Hydran Host Software Manual. A hard copy of all those
manuals can be purchased from General Electric Canada.
CAUTION
WARNING
All procedures in this manual must be strictly adhered to. Any
deviation from these could cause irreversible damages to the
transformer being monitored and/or the Hydran 201iSystem, and
could lead to property damage, personal injury and/or death. Instal-
lation and maintenance of the Hydran 201iSystem must be carried
out by qualified personnel only.

Instruction Manual
vi Rev. 6, March 2011 Part 17997
PAGE LEFT INTENTIONALLY BLANK

Hydran 201iSystem
Part 17997 Rev. 6, March 2011 vii
DATES OF REVISIONS
All pages in this manual are labeled “Rev. 6, March 2011” since they all have been
modified during this general revision.
Issue dates of this manual are:
Original (Rev. 1) . . . December 2007
Revision 2 . . . . . . . . . February 2008
Revision 3 . . . . . . . . December 2008
Revision 4 . . . . . . . . . . January 2010
Revision 5 . . . . . . . .November 2010
Revision 6 . . . . . . . . . . . March 2011

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viii Rev. 6, March 2011 Part 17997
PAGE LEFT INTENTIONALLY BLANK

Hydran 201iSystem
Part 17997 Rev. 6, March 2011 ix
STANDARD GENERAL ELECTRIC CANADA WARRANTY
The products covered by this manual and manufactured by General Electric Canada
(“Products”) are warranted to be free from defects in material, workmanship and title at the
time of delivery. Any components of a Product or other products manufactured by persons
other than General Electric Canada carry only the warranty provided by the manufacturers
thereof and General Electric Canada gives no warranty on behalf of the manufacturers of
such products.
General Electric Canada warrants the Products until 36 months from date of delivery
(“Warranty Period”).
General Electric Canada represents and warrants that any software and firmware covered
by this manual is free from functional deficiencies. If any functional deficiencies are
discovered and are reported to General Electric Canada within the Warranty Period,
General Electric Canada agrees to use due diligence to correct such deficiencies within
30 days after receipt of such notification. Upon receiving such notice, General Electric
Canada may lend telephone support or patches. If the reported deficiencies cannot be
eliminated within 30 days, the Buyer may request, and General Electric Canada shall then
furnish, monthly status reports to the Buyer regarding the progress of General Electric
Canada’s efforts to correct such functional deficiencies.
If Products covered by this manual do not meet the above warranties during the applicable
Warranty Period, the Buyer shall promptly notify General Electric Canada in writing but
not later than 30 days and make the Products available promptly for correction. General
Electric Canada shall thereupon correct any defect by, at its option, repairing the defective
Products or making available necessary replacement parts.
Any failure which is the basis for a warranty claim shall not be cause for extension of the
duration of the applicable Warranty Period. General Electric Canada shall not be
responsible for removal or replacement of systems, structures or other parts of the Buyer’s
facility. If a defect in Products or part thereof cannot be corrected by General Electric
Canada’s reasonable efforts, the parties shall negotiate an equitable adjustment in price
with respect to such Products or part thereof. All decontamination work necessary for the
correction of defects shall be performed by the Buyer at the Buyer’s expense. The condition
of any tests shall be mutually agreed upon and General Electric Canada shall be notified of
and may be represented at all tests that may be made.

Instruction Manual
x Rev. 6, March 2011 Part 17997
General Electric Canada does not warrant Products or any repaired or replacement parts
against normal wear and tear, including that due to environment or operation, including
excessive operation at peak capability, frequent starting, type of fuel, detrimental air inlet
conditions, or erosion, corrosion or material deposits from fluids, or which have been
involved in an accident. The warranties and remedies set forth herein are further
conditioned upon:
• Proper storage, installation, operation and maintenance of the Buyer’s equipment and
conformance with the instruction manuals (including revisions thereto) provided by
General Electric Canada and/or its subcontractors, as applicable
• Repair or modification pursuant to General Electric Canada’s instructions or approval
The Buyer shall keep proper records of operation and maintenance during the applicable
Warranty Period. These records shall be kept in the form of log sheets and copies shall be
submitted to General Electric Canada upon its request in connection with a warranty claim
by the Buyer. General Electric Canada does not warrant any products or services of others
designated by the Buyer where such products or services are not normally supplied by
General Electric Canada.
The preceding paragraphs set forth the exclusive remedies for all claims based on failure of
or defect in Products covered by this manual, whether the failure or defect arises before or
during the applicable Warranty Period and whether a claim, however instituted, is based on
contract, indemnity, warranty, tort (including negligence) or civil liability, strict liability or
otherwise. The foregoing warranties are exclusive and are in lieu of all other warranties and
guarantees whether written, oral, implied or statutory. NO IMPLIED STATUTORY
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE SHALL APPLY.

Hydran 201iSystem
Part 17997 Rev. 6, March 2011 xi
TABLE OF CONTENTS
Notice of Copyright and Proprietary Rights. . . . . . . . . . . . . . . . . . ii
Trademark Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
Safety Warnings in Six Languages . . . . . . . . . . . . . . . . . . . . . iii
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Dates of Revisions . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Standard General Electric Canada Warranty . . . . . . . . . . . . . . . . . ix
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxv
Chapter 1
Introduction
1.1 The Hydran 201iSystem . . . . . . . . . . . . . . . . . . . . . . 1-1
1.2 Components of the Hydran 201iSystem . . . . . . . . . . . . . . . . 1-2
1.2.1 Hydran 201TiIntelligent Transmitter . . . . . . . . . . . . . . .1-2
1.2.2 Hydran 201Ci-C Communications Controller. . . . . . . . . . . .1-3
1.2.3 Hydran 201Ci-1 One-Channel Controller . . . . . . . . . . . . .1-4
1.2.4 Hydran Host Software . . . . . . . . . . . . . . . . . . . . .1-5
1.3 Networking and Communication Capabilities . . . . . . . . . . . . . . 1-6
1.4 Vocabulary and Abbreviations Used to Describe the Hydran 201iSystem. . . 1-7
1.5 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
1.5.1 Hydran 201TW Tube Wrench . . . . . . . . . . . . . . . . . .1-8
1.5.2 Vibration-Absorbing Rubber Pads . . . . . . . . . . . . . . . .1-8
Chapter 2
Hydran 201TiIntelligent Transmitter
2.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.2 Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.3 External Components . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.4 Internal Components. . . . . . . . . . . . . . . . . . . . . . . . 2-4
2.4.1 Brass Adaptor . . . . . . . . . . . . . . . . . . . . . . . .2-4
2.4.2 Heating Plate . . . . . . . . . . . . . . . . . . . . . . . .2-5
2.4.3 Hydran 201 Sensor . . . . . . . . . . . . . . . . . . . . . .2-6
2.4.4 CPU Module . . . . . . . . . . . . . . . . . . . . . . . .2-7
2.4.5 DB-9 Male Connector for the RS-232 Link . . . . . . . . . . . .2-7
2.4.6 I/O Module . . . . . . . . . . . . . . . . . . . . . . . . .2-7
2.4.6.1 Top Side of the I/O Module. . . . . . . . . . . . . . .2-8
2.4.6.2 Left Side of the I/O Module. . . . . . . . . . . . . . 2-10
2.4.6.3 Right Side of the I/O Module . . . . . . . . . . . . . 2-11

Instruction Manual
xii Rev. 6, March 2011 Part 17997
2.5 Analog Inputs and Output . . . . . . . . . . . . . . . . . . . . . 2-13
2.5.1 Analog Inputs . . . . . . . . . . . . . . . . . . . . . . . 2-13
2.5.2 Analog Output . . . . . . . . . . . . . . . . . . . . . . . 2-14
2.6 Heating System . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
2.7 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
2.7.1 Estimated Life . . . . . . . . . . . . . . . . . . . . . . . 2-15
2.7.2 Disconnecting the Battery. . . . . . . . . . . . . . . . . . . 2-15
2.7.3 Replacing the Battery . . . . . . . . . . . . . . . . . . . . 2-17
2.8 Internal Clock. . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
2.9 Nonvolatile Memory . . . . . . . . . . . . . . . . . . . . . . . 2-20
2.10 Additional Information . . . . . . . . . . . . . . . . . . . . . . 2-20
Chapter 3
Hydran 201CiControllers
3.1 Hydran 201Ci-C Communications Controller . . . . . . . . . . . . . . 3-1
3.1.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.1.2 Description of the Major Components . . . . . . . . . . . . . . 3-2
3.1.3 Description of the Circuit Board . . . . . . . . . . . . . . . . 3-4
3.1.4 Additional Information . . . . . . . . . . . . . . . . . . . . 3-7
3.2 Hydran 201Ci-1 One-Channel Controller . . . . . . . . . . . . . . . . 3-7
3.2.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
3.2.2 Description of the Major Components . . . . . . . . . . . . . . 3-9
3.2.3 Description of the Circuit Board . . . . . . . . . . . . . . . . 3-10
3.2.4 Additional Information . . . . . . . . . . . . . . . . . . . . 3-15
Chapter 4
Hydran 201Ti’s Displays and Menus
4.1 User Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2 User Interface Operating Modes . . . . . . . . . . . . . . . . . . . 4-3
4.2.1 Unacknowledged Alarms Mode . . . . . . . . . . . . . . . . 4-3
4.2.2 Main Display Mode . . . . . . . . . . . . . . . . . . . . . 4-4
4.2.3 Menu Navigation Mode . . . . . . . . . . . . . . . . . . . 4-5
4.2.4 Parameter Modification Mode . . . . . . . . . . . . . . . . . 4-6
4.2.5 Power-up Mode. . . . . . . . . . . . . . . . . . . . . . . 4-6
4.2.5.1 Normal Power-up (Power-off Longer Than Five Minutes) . . 4-6
4.2.5.2 Short Power-up (Power-off Shorter Than Five Minutes) . . . 4-7
4.2.5.3 First Power-up (After Reconnection of Battery) . . . . . . 4-7
4.3 Using the Keypad’s Keys According to Each Mode . . . . . . . . . . . . 4-7
4.4 Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9

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Part 17997 Rev. 6, March 2011 xiii
4.5 Main and Extended Menus . . . . . . . . . . . . . . . . . . . . . 4-10
4.5.1 History Submenu . . . . . . . . . . . . . . . . . . . . . . 4-12
4.5.1.1 Events History . . . . . . . . . . . . . . . . . . . 4-12
4.5.1.2 Short Term History . . . . . . . . . . . . . . . . . 4-13
4.5.1.3 Long Term History . . . . . . . . . . . . . . . . . 4-14
4.5.1.4 Service History. . . . . . . . . . . . . . . . . . . 4-14
4.5.1.5 History Setup (Extended Menu Only) . . . . . . . . . . 4-15
4.5.1.6 Clear Events (Extended Menu Only) . . . . . . . . . . 4-15
4.5.1.7 Clear Short Term (Extended Menu Only) . . . . . . . . 4-15
4.5.1.8 Clear Long Term (Extended Menu Only) . . . . . . . . 4-15
4.5.2 Gas Submenu . . . . . . . . . . . . . . . . . . . . . . . 4-16
4.5.2.1 Gas Level . . . . . . . . . . . . . . . . . . . . . 4-16
4.5.2.2 Hourly Trend . . . . . . . . . . . . . . . . . . . 4-16
4.5.2.3 Daily Trend . . . . . . . . . . . . . . . . . . . . 4-17
4.5.3 Temperature Submenu. . . . . . . . . . . . . . . . . . . . 4-17
4.5.4 Service Submenu . . . . . . . . . . . . . . . . . . . . . . 4-18
4.5.4.1 SensorCal Data. . . . . . . . . . . . . . . . . . . 4-18
4.5.4.2 ForceSensor Test . . . . . . . . . . . . . . . . . . 4-19
4.5.4.3 Battery . . . . . . . . . . . . . . . . . . . . . . 4-20
4.5.4.4 ServiceData . . . . . . . . . . . . . . . . . . . . 4-20
4.5.5 Date&Time Submenu (Extended Menu Only) . . . . . . . . . . 4-21
4.5.6 Communication Submenu (Extended Menu Only) . . . . . . . . . 4-21
4.5.6.1 CommChannel and DefaultChannel . . . . . . . . . . 4-21
4.5.6.2 CommMode . . . . . . . . . . . . . . . . . . . . 4-22
4.5.6.3 BaudRate . . . . . . . . . . . . . . . . . . . . . 4-22
4.5.6.4 Force HostCall . . . . . . . . . . . . . . . . . . . 4-22
4.5.6.5 H201Ti ID and PowerStat. ID . . . . . . . . . . . . . 4-23
4.5.7 Relays/Analog Submenu (Extended Menu Only) . . . . . . . . . 4-23
4.5.7.1 Gas H Relay. . . . . . . . . . . . . . . . . . . . 4-23
4.5.7.2 Gas HH Relay . . . . . . . . . . . . . . . . . . . 4-24
4.5.7.3 SysOK Relay . . . . . . . . . . . . . . . . . . . 4-24
4.5.7.4 AnalogOut . . . . . . . . . . . . . . . . . . . . 4-24
4.5.7.5 TDM Out . . . . . . . . . . . . . . . . . . . . . 4-25
4.5.8 NewSensor Submenu (Extended Menu Only). . . . . . . . . . . 4-25
4.5.9 Calibration Submenu (Extended Menu Only). . . . . . . . . . . 4-26
Chapter 5
Before Installation
5.1 General Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

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xiv Rev. 6, March 2011 Part 17997
5.2 Installation Overview. . . . . . . . . . . . . . . . . . . . . . . . 5-7
5.2.1 Tools and Material Required . . . . . . . . . . . . . . . . . 5-9
5.2.2 Mounting Location of the Hydran 201Ti. . . . . . . . . . . . . 5-9
5.2.2.1 Warnings . . . . . . . . . . . . . . . . . . . . . 5-9
5.2.2.2 Typical Locations . . . . . . . . . . . . . . . . . . 5-10
5.2.3 Mounting Location of Hydran 201CiControllers . . . . . . . . . 5-12
5.2.4 Cabling and Network Configuration. . . . . . . . . . . . . . . 5-13
5.2.4.1 Parameter Settings. . . . . . . . . . . . . . . . . . 5-13
5.2.4.2 Cabling . . . . . . . . . . . . . . . . . . . . . . 5-14
5.3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
Chapter 6
Hydran 201TiInstallation
6.1 Incoming Inspection and Verification . . . . . . . . . . . . . . . . . 6-1
6.1.1 Receiving and Unpacking. . . . . . . . . . . . . . . . . . . 6-1
6.1.2 Shipping List. . . . . . . . . . . . . . . . . . . . . . . . 6-2
6.1.3 Inspecting . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
6.1.4 Storage and Battery Care . . . . . . . . . . . . . . . . . . . 6-5
6.2 Verification of Operation Prior to Installation . . . . . . . . . . . . . . 6-6
6.2.1 Preparation . . . . . . . . . . . . . . . . . . . . . . . . 6-6
6.2.2 Initial Observations . . . . . . . . . . . . . . . . . . . . . 6-7
6.2.3 Adjusting the Date and Time . . . . . . . . . . . . . . . . . 6-8
6.2.4 Verifying the Alarm Relays . . . . . . . . . . . . . . . . . . 6-9
6.2.4.1 Gas High Alarm . . . . . . . . . . . . . . . . . . 6-9
6.2.4.2 Gas High-High Alarm . . . . . . . . . . . . . . . . 6-10
6.2.4.3 Fail Alarm . . . . . . . . . . . . . . . . . . . . . 6-10
6.2.4.4 Cancelling the Fail Alarm. . . . . . . . . . . . . . . 6-11
6.2.4.5 Cancelling the Gas Alarms . . . . . . . . . . . . . . 6-11
6.2.4.6 Conclusion . . . . . . . . . . . . . . . . . . . . 6-12
6.2.5 Verifying the Backup Battery . . . . . . . . . . . . . . . . . 6-12
6.2.6 Sensor Serial Number Verification and Sensor Test . . . . . . . . 6-12
6.2.7 Adjusting the Temperature Set Point . . . . . . . . . . . . . . 6-13
6.2.8 Verifying the Analog Output (Facultative) . . . . . . . . . . . . 6-14
6.2.9 Verifying the RS-232 Communication (Facultative) . . . . . . . . 6-15
6.2.10 Completing the Verification . . . . . . . . . . . . . . . . . . 6-17
6.3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
6.3.1 Verifying the ac Power Supply Voltage and the Serial Numbers. . . . 6-18
6.3.2 Preparing the Hydran 201Ti. . . . . . . . . . . . . . . . . . 6-19
6.3.2.1 Removing the CPU Module . . . . . . . . . . . . . . 6-19
6.3.2.2 Separating the Brass Adaptor From the Heating Plate . . . . 6-20

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Part 17997 Rev. 6, March 2011 xv
6.3.2.3 Removing the Hydran 201 Sensor . . . . . . . . . . . 6-20
6.3.2.4 Conclusion . . . . . . . . . . . . . . . . . . . . 6-20
6.3.3 Preparing the Valve . . . . . . . . . . . . . . . . . . . . . 6-21
6.3.4 Installing the Brass Adaptor Onto the Valve . . . . . . . . . . . 6-21
6.3.5 Installing the Hydran 201 Sensor . . . . . . . . . . . . . . . 6-22
6.3.6 Opening the Valve . . . . . . . . . . . . . . . . . . . . . 6-23
6.3.7 Fastening the Hydran 201Tito the Brass Adaptor . . . . . . . . . 6-24
6.3.8 Installing the Cable Conduits . . . . . . . . . . . . . . . . . 6-25
6.3.9 Installing the Supervisory Link and Analog Output Cable . . . . . . 6-26
6.3.10 Installing the Alarms Cable (Facultative) . . . . . . . . . . . . 6-27
6.3.11 Installing the ac Power Supply Cable . . . . . . . . . . . . . . 6-27
6.3.12 Installing the CPU Module . . . . . . . . . . . . . . . . . . 6-28
6.3.13 Verifying the Hydran 201TiOperation . . . . . . . . . . . . . 6-28
6.4 Configuring the Hydran 201Ti. . . . . . . . . . . . . . . . . . . . 6-30
6.4.1 Setting the Communication Parameters for the Hydran Host Software . 6-30
6.4.2 Verifying and Setting Historical Data File Parameters . . . . . . . 6-31
6.4.3 Verifying and Setting Gas and Trend Alarm Parameters . . . . . . 6-31
6.4.4 Resetting the Hourly Trend, Daily Trend and Period B . . . . . . . 6-32
6.4.5 Verifying and Setting the Temperature Parameters of the Hydran 201
Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . 6-32
6.4.6 Verifying the Hydran 201 Sensor and Its Parameters . . . . . . . . 6-33
6.4.7 Verifying and Setting the Battery Alarm Parameters . . . . . . . . 6-33
6.4.8 Logging the Values of the Service Data . . . . . . . . . . . . . 6-34
6.4.9 Verifying and Setting the Date and Time . . . . . . . . . . . . 6-34
6.4.10 Verifying and Setting the Communication Parameters . . . . . . . 6-34
6.4.11 Verifying and Setting the Operation Mode of the Alarm Relays . . . 6-35
6.4.12 Verifying and Setting the Fail Alarm Conditions . . . . . . . . . 6-35
6.4.13 Verifying and Setting the Operation Mode of the Analog Output and
TDM Signal. . . . . . . . . . . . . . . . . . . . . . . . 6-35
6.4.14 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . 6-35
6.5 Fastening the Hydran 201Ti’s Cover . . . . . . . . . . . . . . . . . 6-36
6.6 Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . 6-36
6.7 Other Installations. . . . . . . . . . . . . . . . . . . . . . . . . 6-36
Chapter 7
Hydran 201Ci-C Installation
7.1 Incoming Inspection and Verification . . . . . . . . . . . . . . . . . 7-1
7.1.1 Receiving and Unpacking . . . . . . . . . . . . . . . . . . .7-1
7.1.2 Inspecting. . . . . . . . . . . . . . . . . . . . . . . . . .7-1
7.1.3 Storage. . . . . . . . . . . . . . . . . . . . . . . . . . .7-2

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7.2 Verification of Operation Prior to Installation . . . . . . . . . . . . . . 7-2
7.2.1 Preparation . . . . . . . . . . . . . . . . . . . . . . . . 7-2
7.2.2 Initial Observations . . . . . . . . . . . . . . . . . . . . . 7-3
7.2.3 Verification of RS-232 and RS-485 Communications . . . . . . . . 7-4
7.2.4 Completing the Verification . . . . . . . . . . . . . . . . . . 7-6
7.3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
7.3.1 Verifying the ac Power Supply Voltage and the Serial Numbers. . . . 7-7
7.3.2 Installing the Enclosure . . . . . . . . . . . . . . . . . . . 7-7
7.3.3 Installing the Cable Conduits . . . . . . . . . . . . . . . . . 7-7
7.3.4 Installing the Supervisory Link Cables. . . . . . . . . . . . . . 7-8
7.3.5 Installing the ac Power Supply Cable . . . . . . . . . . . . . . 7-9
7.3.6 Verifying the Operation . . . . . . . . . . . . . . . . . . . 7-9
7.3.7 Verifying the Supervisory Link Communications . . . . . . . . . 7-9
7.3.8 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . 7-10
7.4 Other Installations . . . . . . . . . . . . . . . . . . . . . . . . 7-10
Chapter 8
Hydran 201Ci-1 Installation
8.1 Incoming Inspection and Verification . . . . . . . . . . . . . . . . . 8-1
8.1.1 Receiving and Unpacking. . . . . . . . . . . . . . . . . . . 8-1
8.1.2 Inspecting . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
8.1.3 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
8.2 Verification of Operation Prior to Installation . . . . . . . . . . . . . . 8-2
8.2.1 Preparation . . . . . . . . . . . . . . . . . . . . . . . . 8-3
8.2.2 Initial Observations . . . . . . . . . . . . . . . . . . . . . 8-3
8.2.3 Verifying the Analog Output . . . . . . . . . . . . . . . . . 8-4
8.2.4 Verifying the Alarm Indicators and Relays . . . . . . . . . . . . 8-6
8.2.4.1 Gas High Alarm . . . . . . . . . . . . . . . . . . 8-6
8.2.4.2 Gas High-High Alarm . . . . . . . . . . . . . . . . 8-7
8.2.4.3 System Fault Alarm . . . . . . . . . . . . . . . . . 8-7
8.2.4.4 System Fault Alarm Cleared. . . . . . . . . . . . . . 8-8
8.2.4.5 Gas Alarms Cleared . . . . . . . . . . . . . . . . . 8-8
8.2.4.6 Conclusion . . . . . . . . . . . . . . . . . . . . 8-9
8.2.5 Verifying the RS-232 Communication. . . . . . . . . . . . . . 8-9
8.2.6 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . 8-10
8.3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11
8.3.1 Verifying the ac Power Supply Voltage and the Serial Numbers. . . . 8-11
8.3.2 Installing the Enclosure . . . . . . . . . . . . . . . . . . . 8-11
8.3.3 Installing the Cable Conduits . . . . . . . . . . . . . . . . . 8-12
8.3.4 Installing the Supervisory Link Cable . . . . . . . . . . . . . . 8-12
8.3.5 Installing the Analog Output Cable (Facultative). . . . . . . . . . 8-13

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8.3.6 Installing the Alarms Cable (Facultative) . . . . . . . . . . . . 8-13
8.3.7 Installing the ac Power Supply Cable . . . . . . . . . . . . . . 8-14
8.3.8 Verifying the Operation . . . . . . . . . . . . . . . . . . . 8-14
8.3.9 Verifying the Analog Outputs . . . . . . . . . . . . . . . . . 8-14
8.3.10 Verifying Alarm Indicators and Alarm Relays . . . . . . . . . . 8-15
8.3.11 Verifying the Supervisory Link Communications . . . . . . . . . 8-15
8.3.12 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . 8-15
8.4 Other Installations. . . . . . . . . . . . . . . . . . . . . . . . . 8-15
Chapter 9
Communications and Networking
9.1 Communications Within a Hydran 201R Model ior a Hydran 201iSystem,
Using a Supervisory Link . . . . . . . . . . . . . . . . . . . . . . 9-1
9.1.1 TDM Pulse . . . . . . . . . . . . . . . . . . . . . . . . .9-2
9.2 Communications in a Network, Using an RS-485 Local Network Link . . . . 9-3
9.3 Communications With a Host Computer, Using an RS-232 Serial
Communication Link . . . . . . . . . . . . . . . . . . . . . . . .9-5
9.3.1 Local Communications . . . . . . . . . . . . . . . . . . . .9-6
9.3.2 Remote Communications (via Modem) . . . . . . . . . . . . . .9-6
9.4 Communication Protocol . . . . . . . . . . . . . . . . . . . . . . 9-8
9.5 Local Network Installation . . . . . . . . . . . . . . . . . . . . . 9-8
9.5.1 Installing an RS-485 Local Network Link Between Hydran 201Ci
Controllers . . . . . . . . . . . . . . . . . . . . . . . . .9-9
9.5.2 Connecting a Host Computer to a Hydran 201CiController in a Local
Network, Using an RS-232 Cable . . . . . . . . . . . . . . . 9-10
9.5.3 Verifying RS-232 and RS-485 Communications . . . . . . . . . 9-10
9.6 Optional Modem Installation . . . . . . . . . . . . . . . . . . . . 9-11
9.6.1 Connecting a Telephone Line . . . . . . . . . . . . . . . . . 9-11
9.6.2 Verifying Communications Between the Two Modems . . . . . . . 9-11
9.6.3 Configuring the Call OnAlarm Mode . . . . . . . . . . . . . . 9-13
Chapter 10
Alarms
10.1 Alarm Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
10.1.1 Alarm Conditions. . . . . . . . . . . . . . . . . . . . . . 10-2
10.1.2 Purpose of Hourly and Daily Trends . . . . . . . . . . . . . . 10-3
10.2 Alarm Relays . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
10.2.1 Alarm Contacts . . . . . . . . . . . . . . . . . . . . . . 10-4
10.2.2 Status of Alarm Relays . . . . . . . . . . . . . . . . . . . 10-4
10.2.3 Operation Modes of Alarm Relays . . . . . . . . . . . . . . . 10-5
10.2.3.1 Normal Mode . . . . . . . . . . . . . . . . . . . 10-6

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10.2.3.2 Latch Mode . . . . . . . . . . . . . . . . . . . . 10-6
10.2.3.3 Force OFF . . . . . . . . . . . . . . . . . . . . . 10-7
10.2.3.4 Force ON . . . . . . . . . . . . . . . . . . . . . 10-7
10.3 Alarm Interface . . . . . . . . . . . . . . . . . . . . . . . . . 10-7
10.4 Gas High and High-High Alarms . . . . . . . . . . . . . . . . . . 10-8
10.4.1 Alarm Parameters Setting. . . . . . . . . . . . . . . . . . . 10-9
10.4.1.1 Gas Level . . . . . . . . . . . . . . . . . . . . . 10-9
10.4.1.2 Hourly Trend. . . . . . . . . . . . . . . . . . . 10-10
10.4.1.3 Daily Trend . . . . . . . . . . . . . . . . . . . 10-10
10.4.2 Guidelines for Setting Trend Alarms . . . . . . . . . . . . . 10-11
10.4.3 Hourly and Daily Trend Computations . . . . . . . . . . . . 10-12
10.4.4 High and High-High Alarms Triggering . . . . . . . . . . . . 10-13
10.4.5 High and High-High Alarms Cancellation . . . . . . . . . . . 10-13
10.5 Fail Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-14
10.5.1 Fail Alarm Triggering . . . . . . . . . . . . . . . . . . . 10-14
10.5.2 Fault Triggers . . . . . . . . . . . . . . . . . . . . . . 10-15
10.5.2.1 Gas Fault Triggers. . . . . . . . . . . . . . . . . 10-15
10.5.2.2 Sensor Temperature Fault Triggers . . . . . . . . . . 10-16
10.5.2.3 Battery Voltage Fault Triggers . . . . . . . . . . . . 10-16
10.5.2.4 Sensor Operation and Connections Fault Triggers . . . . 10-17
10.5.3 Fail Alarm Cancellation . . . . . . . . . . . . . . . . . . 10-17
Chapter 11
Operating the Hydran 201iSystem
11.1 Operating Methods. . . . . . . . . . . . . . . . . . . . . . . . 11-1
11.1.1 Periodic, Visual Monitoring . . . . . . . . . . . . . . . . . . 11-1
11.1.1.1 Method Drawbacks . . . . . . . . . . . . . . . . . 11-2
11.1.2 Alarm Monitoring. . . . . . . . . . . . . . . . . . . . . . 11-2
11.1.2.1 Method Drawbacks . . . . . . . . . . . . . . . . . 11-2
11.1.3 Analog Output Monitoring . . . . . . . . . . . . . . . . . . 11-3
11.1.3.1 Method Drawbacks . . . . . . . . . . . . . . . . . 11-3
11.1.3.2 Conclusion . . . . . . . . . . . . . . . . . . . . 11-4
11.1.4 Combined Alarm and Analog Output Monitoring . . . . . . . . . 11-4
11.1.5 Local Monitoring With Host Computer . . . . . . . . . . . . . 11-4
11.1.5.1 Method Benefits . . . . . . . . . . . . . . . . . . 11-5
11.1.6 Remote Monitoring With Host Computer . . . . . . . . . . . . 11-5
11.2 Data Reading . . . . . . . . . . . . . . . . . . . . . . . . . . 11-5
11.2.1 Direct Data Reading . . . . . . . . . . . . . . . . . . . . . 11-6
11.2.2 Historic Data Reading . . . . . . . . . . . . . . . . . . . . 11-6
11.3 Data Analysis. . . . . . . . . . . . . . . . . . . . . . . . . . 11-6

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Chapter 12
Troubleshooting
12.1 Alarm Messages on the Hydran 201Ti’s Display. . . . . . . . . . . . . 12-1
12.1.1 Battery L . . . . . . . . . . . . . . . . . . . . . . . . . 12-2
12.1.2 Battery LL . . . . . . . . . . . . . . . . . . . . . . . . 12-2
12.1.3 CableOpen . . . . . . . . . . . . . . . . . . . . . . . . 12-2
12.1.4 CableShort . . . . . . . . . . . . . . . . . . . . . . . . 12-4
12.1.5 DayTrend H . . . . . . . . . . . . . . . . . . . . . . . . 12-4
12.1.6 DayTrend HH . . . . . . . . . . . . . . . . . . . . . . . 12-5
12.1.7 DayTrend L . . . . . . . . . . . . . . . . . . . . . . . . 12-5
12.1.8 DayTrend LL . . . . . . . . . . . . . . . . . . . . . . . 12-6
12.1.9 Gas H . . . . . . . . . . . . . . . . . . . . . . . . . . 12-7
12.1.10 Gas HH . . . . . . . . . . . . . . . . . . . . . . . . . 12-7
12.1.11 Gas L . . . . . . . . . . . . . . . . . . . . . . . . . . 12-7
12.1.12 Gas LL . . . . . . . . . . . . . . . . . . . . . . . . . . 12-8
12.1.13 HourTrend H . . . . . . . . . . . . . . . . . . . . . . . 12-8
12.1.14 HourTrend HH. . . . . . . . . . . . . . . . . . . . . . . 12-8
12.1.15 HourTrend L . . . . . . . . . . . . . . . . . . . . . . . 12-9
12.1.16 HourTrend LL . . . . . . . . . . . . . . . . . . . . . . . 12-9
12.1.17 Replace SensNOW . . . . . . . . . . . . . . . . . . . . .12-10
12.1.18 Replace SensSoon . . . . . . . . . . . . . . . . . . . . .12-10
12.1.19 Sensor Not Inst! . . . . . . . . . . . . . . . . . . . . . .12-11
12.1.20 SensTemp H. . . . . . . . . . . . . . . . . . . . . . . .12-12
12.1.21 SensTemp HH . . . . . . . . . . . . . . . . . . . . . . .12-12
12.1.22 SensTemp L. . . . . . . . . . . . . . . . . . . . . . . .12-13
12.1.23 SensTemp LL . . . . . . . . . . . . . . . . . . . . . . .12-13
12.1.24 Setup Lost . . . . . . . . . . . . . . . . . . . . . . . .12-13
12.2 RS-232 and/or RS-485 Communications . . . . . . . . . . . . . . . 12-14
12.2.1 No Communication When the Host Computer is Connected Directly
or by Modem to the Hydran 201Ti’s DB-9 Connector . . . . . . .12-14
12.2.2 No Communication When the Host Computer is Connected Directly
or by Modem to the Hydran 201CiController’s DB-9 or USB
Connector. . . . . . . . . . . . . . . . . . . . . . . . .12-15
12.2.3 No Communication Between the Host Computer and the Network of
Hydran 201iSystems . . . . . . . . . . . . . . . . . . . .12-15
12.3 Hydran 201CiController’s Display Is Blank . . . . . . . . . . . . . 12-16
12.4 Hydran 201Tiand Hydran 201CiController’s Analog Outputs at Zero . . . 12-16
12.5 Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-17
12.5.1 Fail Alarm Is Triggered . . . . . . . . . . . . . . . . . . .12-17
12.5.2 Fail Alarm Message Displayed in the Hydran Host Software. . . . .12-17
12.5.3 Intermittent Gas Alarms Are Occurring . . . . . . . . . . . . .12-17

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12.5.4 An Alarm Relay Does Not Reset, Even If the Alarm Condition Has
Disappeared . . . . . . . . . . . . . . . . . . . . . . . 12-17
12.5.5 Irregular Gas Readings . . . . . . . . . . . . . . . . . . . 12-18
12.5.6 Inaccurate Gas Readings . . . . . . . . . . . . . . . . . . 12-18
12.5.7 Gas Level Reading Is Abnormally High . . . . . . . . . . . . 12-19
12.5.8 Gas Level Reading Is Slowly Decreasing Toward Zero . . . . . . 12-19
Chapter 13
Maintenance
13.1 Historic Data Verification . . . . . . . . . . . . . . . . . . . . . 13-2
13.2 Dissolved Gas Analysis (DGA). . . . . . . . . . . . . . . . . . . 13-3
13.3 Hydran 201TiVerification. . . . . . . . . . . . . . . . . . . . . 13-4
13.4 Hydran 201CiController Verification . . . . . . . . . . . . . . . . 13-6
13.5 Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-7
Appendix A
Technical Specifications for the Hydran 201iSystem
A.1 Hydran 201TiIntelligent Transmitter . . . . . . . . . . . . . . . . . A-1
A.2 Hydran 201Ci-C Communications Controller . . . . . . . . . . . . . . A-4
A.3 Hydran 201Ci-1 One-Channel Controller . . . . . . . . . . . . . . . . A-6
Appendix B
Mechanical Drawings
B.1 Hydran 201Ti Intelligent Transmitter . . . . . . . . . . . . . . . . . B-1
B.2 Hydran 201Ci-C Communications Controller . . . . . . . . . . . . . . B-5
B.3 Hydran 201Ci-1 One-Channel Controller . . . . . . . . . . . . . . . . B-6
Appendix C
Functional Block Diagrams
C.1 Hydran 201TiIntelligent Transmitter . . . . . . . . . . . . . . . . . C-1
C.2 Hydran 201Ci-C Communications Controller . . . . . . . . . . . . . . C-2
C.3 Hydran 201Ci-1 One-Channel Controller . . . . . . . . . . . . . . . . C-3
Appendix D
Terminal Blocks and Connectors
D.1 Hydran 201Ti Intelligent Transmitter . . . . . . . . . . . . . . . . . D-1
D.2 Hydran 201Ci-C Communications Controller . . . . . . . . . . . . . . D-5
D.3 Hydran 201Ci-1 One-Channel Controller . . . . . . . . . . . . . . . . D-8