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Page 21 

Hydran* M2 Installation Guide 

 

 

16375 v9.0  Oct 12 

Mounting the Hydran M2 on a Valve 

Figure 13: Separating the Sensor from the Hydran M2 

Figure 14: Disconnecting the Sensor Cable 

 

1.

 

Rotate sensor connector anti-clockwise 

(approximately 1/8 turn). 

2.

 

Pull connector from sensor. 

Always wrap the tape 

counter to the threads  as 

 

 

 

CAUTION 

Sensor cable 

CAUTION 

Oil on sensor 

1.

 

Remove set screw. 

2.

 

Remove clamp using spanner wrench. 

3.

 

Carefully pull out sensor. 

Summary of Contents for hydran m2

Page 1: ...Hydran M2 Transformer Gas Monitoring System Installation Guide ...

Page 2: ...rranty 10 GENERAL WARNINGS 12 INSTALLATION 16 Overview 16 Tools for installation 19 Supplied with the Hydran M2 19 To be supplied by the installer 19 Mounting the Hydran M2 on a Valve 21 Installing the Cables 25 SOFTWARE CONFIGURATION 30 User Interface Overview 30 Setting the Date and Time 31 Testing the Sensor 32 Setting Gas Level Alarm Parameters 33 Setting Moisture Level Alarm Parameters 35 Set...

Page 3: ...ocations of the Hydran M2 on a Transformer 17 Figure 11 Bottom Clearance 18 Figure 12 Tools Required for the Installation 20 Figure 13 Separating the Sensor from the Hydran M2 21 Figure 14 Disconnecting the Sensor Cable 21 Figure 15 Wrap the Sensor s Threads with PTFE Tape 22 Figure 16 Mount the Sensor Manually onto the Valve and Tighten it Using an Adjustable Wrench 22 Figure 17 The Bleed Screw M...

Page 4: ...or service only 45 Figure 39 Grounding the RS 485 Conduits 46 Figure 40 General Wiring of the RS 485 Terminal Block 46 Figure 41 Wiring Details of the RS 485 between 2 or more Hydran M2s 47 Figure 42 Remote Communications with a Host Computer via a Modem 48 Figure 43 Wiring of the Supervisory Link between a Hydran M2 and a Hydran 201Ci 1 Controller 49 Figure 44 Wiring of the Supervisory Link betwe...

Page 5: ...ment on the part of GE Energy 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 GE Energy products is strictly prohibited except as permitted by written license agreement with GE Energy Trademark Notices GE and...

Page 6: ...ge For a maximum distance of 15 m 50 ft from the power source use a 2 08 mm2 14 AWG cable and an 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 M2 et pourrait entraîner des dommages à la propriété des ble...

Page 7: ...tung des Hydran M2 dürfen daher nur von qualifiziertem Personal durchgeführt werden Verständigen Sie bitte den Bediener der Schaltanlage vor der Wartung Das Arbeiten innerhalb des Hydran M2 kann aufgrund von Parameteränderungen Spannungsabschaltung Neubooten des Systems oder elektrostatischer Entladung unerwartete Alarme auslösen Für eine maximale Entfernung von 15 m von der Spannungsquelle verwen...

Page 8: ...ndringar för larm tack vare driver avstängning systemomstart eller elektrostatisk urladdning För ett maximalt avstånd på 15 m från kraftuttaget använd 2 08 mm2 kabel 14 AWG och ett överströmsskydd Safety Symbols Description Description of safety symbols used on the Hydran M2 device Refer to the Instruction Manual to prevent injury or damage to equipment Hazardous voltages may be present Protective...

Page 9: ...ead to property damage personal injury and or death Installation and maintenance of the Hydran M2 must be carried out by qualified personnel only Any visible signs of damage to the shipping packages should be reported to GE Energy immediately Please keep all documentation model number manuals etc for reference and warranty purposes A Table of Contents and a List of Figures are present at the begin...

Page 10: ...d the Buyer shall promptly notify GE Energy in writing but not later than 30 days and make the Products available promptly for correction GE Energy 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 ...

Page 11: ...where such products or services are not normally supplied by GE Energy 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 o...

Page 12: ...ng the sensor to paint or solvent voids the warranty It is recommended to read all warnings and considerations given in Chapter 1 of the Hydran M2 Instruction Manual before proceeding with the installation Figure 1 Plastic Cap Must Remain in Place Until the Sensor Is Installed on the Valve Figure 2 Do Not Touch the Sensor s Membrane with a Finger or an Object CAUTION ...

Page 13: ... 0 Oct 12 Figure 3 Do Not Block the Sensor s Breathing Hole or Puncture the Breathing Hole s Membrane Figure 4 Do Not Install the Hydran M2 at an Angle Vertically or Using an Elbow Figure 5 Do Not Install the Hydran M2 on an Elbow or a Fitting Box ...

Page 14: ... M2 Installation Guide Page 14 16375 v9 0 Oct 12 Figure 6 Do Not Install the Hydran M2 on the Inlet Side of the Radiator Pump Figure 7 Do Not Subject the Hydran M2 or Its Sensor to High Pressure Water Streams ...

Page 15: ...Page 15 Hydran M2 Installation Guide 16375 v9 0 Oct 12 Figure 8 Do Not Paint the Sensor or Clean It with Any Solvent ...

Page 16: ...Hydran M2 Installation Guide Page 16 16375 v9 0 Oct 12 INSTALLATION Overview Figure 9 Typical Installation of the Hydran M2 ...

Page 17: ...shown in Figure 10 For details refer to Table 1 overleaf Figure 10 Mounting Locations of the Hydran M2 on a Transformer If these typical locations cannot be used contact the GE Energy Customer Service for help to determine an acceptable alternative location Recommended location Very good alternative location Good alternative location CAUTION ...

Page 18: ...lternate Location Excellent convective oil flow Higher operating temperatures reduce sensor lifetime Access to Hydran M2 is difficult 3 Top of radiator 4 Drain valve bottom of tank Good Lower operating temperatures Ease of access Low oil flow may affect gas level readings Table 1 Mounting Locations of the Hydran M2 on a Transformer Figure 11 Bottom Clearance 1 Ensure that the Hydran M2 is installe...

Page 19: ...ydran M2 3 16 in Hex Key with 9 in Blade Cushion Grip T Handle 1 16 in and 5 32 in standard Hex Allen L Keys Spanner wrench Roll of PTFE tape To be supplied by the installer 3 mm 1 8 in Slotted Screwdriver 2 Phillips Screwdriver Adjustable Pliers or Wrench Wire Stripper Wire Cutter Bucket and Rags ...

Page 20: ...Hydran M2 Installation Guide Page 20 16375 v9 0 Oct 12 Adjustable Wrench with smooth non marking jaws Figure 12 Tools Required for the Installation ...

Page 21: ...rom the Hydran M2 Figure 14 Disconnecting the Sensor Cable 1 Rotate sensor connector anti clockwise approximately 1 8 turn 2 Pull connector from sensor Always wrap the tape counter to the threads as CAUTION Sensor cable CAUTION Oil on sensor 1 Remove set screw 2 Remove clamp using spanner wrench 3 Carefully pull out sensor ...

Page 22: ...v9 0 Oct 12 Figure 15 Wrap the Sensor s Threads with PTFE Tape Figure 16 Mount the Sensor Manually onto the Valve and Tighten it Using an Adjustable Wrench 1 Install clamp around sensor 2 Install sensor on valve 3 Tighten using adjustable wrench ...

Page 23: ...Valve and Purging the Air from the Sensor Bleed screw must be on top at the 12 o clock position when sensor is installed horizontally O ring 1 Loosen bleed screw 2 Slowly open valve 3 Purge air from sensor collect oil in bucket 4 Tighten bleed screw 5 Wipe oil from valve and sensor using rag Note The clamp ring is not shown for clarity purposes ...

Page 24: ... 10 6 AWG copper wire 1 Insert the sensor cable connector into the sensor connector 2 Rotate connector clockwise approximately 1 8 turn 3 Position the enclosure and push it on to the sensor taking care not to squeeze the sensor cable between the sensor and the enclosure 4 Install the sensor clamp and tighten it using the supplied spanner wrench 5 Tighten set screw using 1 16 in Allen key ...

Page 25: ...lectric power at the fuse box or service panel before making any electrical connections and ensure a proper ground connection is made before connecting line voltage Failure to do so can result in property damage personal injury and or death WARNING 1 Remove four retaining screws using supplied Allen key 4 lock washers and 4 flat washers 2 Pull out cover ...

Page 26: ...Terminal Block Note This optional Analog Input board can be installed at any of the four I O locations 1 Mount the required watertight conduits fittings NPT PG 13 or M20 with locknuts and sealing gaskets 2 Mount required flexible conduits 3 Ground all metallic conduits 4 Ensure that the plugs of all unused openings are securely in place ...

Page 27: ...Figure 24 Wiring of Self Powered Analog Inputs Figure 25 Wiring of Two Wire Loop Powered Analog Inputs Figure 26 Wiring of Three Wire Loop Powered Analog Inputs Active 2 wire 4 20mA Sensor 2 wire 4 20mA Loop powered Sensor 3 wire 4 20mA Loop powered Sensor ...

Page 28: ...f the Analog Output Terminal Block Figure 28 Wiring of the 4 20 mA Analog Output Terminal Block Figure 29 Wiring of the 0 1 mA Analog Output Terminal Block SCADA 4 20 mA Input SCADA 0 1 mA Input Note This optional Analog Output board can be installed at any of the four I O locations ...

Page 29: ... 12 Figure 30 Wiring of the Alarm Relays Terminal Block Figure 31 Wiring of the AC Power Supply Terminal Block Five 5 alarm relays Software configurable SPDT Form C contacts 1 Normally Open 2 Common 3 Normally closed L LINE N NEUTRAL GROUND Fuse Holder ...

Page 30: ...isplayed on the bottom line of 4 Arrow keys Allow to navigate through options parameters or digits The Up arrow goes up or increments a digit the Down arrow goes down or decrements a digit etc Esc key In menus it goes back one level in the tree structure When changing a value it cancels the current modification and goes back one level LCD Display Scrolling Indicators Context Key Messages Menu Time...

Page 31: ...stallation Guide 16375 v9 0 Oct 12 Setting the Date and Time Press Main Menu Select Setup Press Enter Select Date Time Press Enter Select Current Date Press Change and set date Select Current Time Press Change and set time ...

Page 32: ... Guide Page 32 16375 v9 0 Oct 12 Testing the Sensor Press Main Menu Select Services Press Enter Select Gas Sensor Test Press Enter Press OK Note After a Sensor Test the sensor readings will not be available for two 2 minutes ...

Page 33: ... Alarm Parameters Note Wait until the gas and moisture readings of the Hydran M2 are stable at least 24 hours after power up Go to Main Menu Select Setup Press Enter Select Alarms Setup Press Enter Select Gas Alarm Press Enter Select Gas Level Alarm Press Enter To next page ...

Page 34: ...llation Guide Page 34 16375 v9 0 Oct 12 Select parameter for setup Enter Change and set as required Set all parameters as required Notes SP means Set Point Press the Down arrow to display other parameters in the list ...

Page 35: ...nstallation Guide 16375 v9 0 Oct 12 Setting Moisture Level Alarm Parameters Press Esc twice to go back to Alarm Setup Press Enter Select parameter for setup Enter Change and set as required Set all parameters as required ...

Page 36: ...ide Page 36 16375 v9 0 Oct 12 Setting the Network Communication Parameters Go to Main Menu Select Setup Press Enter Select Comm Setup Press Enter Select Identification Press Enter Change as required Monitor ID Power Station ID ...

Page 37: ...ck to Comm Setup Select Comm Channel Setup Press Enter Change as required RS232 Baud Rate RS485 Baud Rate Notes Each Hydran M2 unit in the local network must be set to the same Power Station ID and RS485 Baud Rate Each Hydran M2 in the local network must be set to a unique Monitor ID ...

Page 38: ... 38 16375 v9 0 Oct 12 Setting the Optional Analog Input Parameters Go to Main Menu Select Setup Press Enter Select I O Setup Press Enter Select Analog In Setup Press Enter Select the I O board you need to setup Press Enter To next page ...

Page 39: ...Page 39 Hydran M2 Installation Guide 16375 v9 0 Oct 12 Press Main Menu Select Configuration Press Enter Select Identification Press Enter Set up all the Identification parameters as required ...

Page 40: ...Setup Press Enter Set up all the Readings Setup parameters as required Notes Input Min is the lowest possible reading for this signal this value corresponds to 4 mA Input Max is the highest possible reading for this signal this value corresponds to 20 mA Repeat the above procedure for each analog input that is installed ...

Page 41: ...de 16375 v9 0 Oct 12 Setting the Optional Analog Output Parameters Go to Main Menu Select Setup Press Enter Select I O Setup Press Enter Select Analog Out Setup Press Enter Select the I O board you need to setup Press Enter To next page ...

Page 42: ...reading for this signal this value will deliver a current output corresponding to 4 mA Input Max is the highest possible reading for this signal this value will deliver a current output corresponding to 20 mA Repeat the above procedure for each analog output Configuring the Models If required for configuration of the models refer to Section C 3 of the Multi Host Software Manual ...

Page 43: ...be tightened correctly A minimum torque of 50 lbf in 5 6 N m is recommended Failure to do so may result in water ingress inside the enclosure CAUTION CAUTION Gasket must be properly in place 1 Put cover back in place 2 Insert the four 4 screws with flat washers and split lock washers Using supplied Hex key tool tighten the screws one by one diagonally ...

Page 44: ...Hydran M2 Installation Guide Page 44 16375 v9 0 Oct 12 Commissioning Figure 35 Wait 24 Hours Figure 36 Compare the Gas Level Reading to a Recent DGA DGA ...

Page 45: ...on Limit AEL Class 1 Class 1 devices are considered eye safe to the naked eye Do not view directly with optical instruments Figure 38 Local Communications with a Laptop Computer for service only To host computer with Hydran M2 Host via either Ethernet wire or fiber optic Modem interface Or RS 485 link to Hydran 201Ci controller Daisy chain RS 485 link isolated 1 triad Maximum number of Hydran M2s ...

Page 46: ...its Figure 40 General Wiring of the RS 485 Terminal Block Cable is connected to RS 485 Out terminals Isolate conduit from Hydran M2 Cable is connected to RS 485 In terminals Ground the conduit to the ground lug To RS 485 In of other Hydran M2 or Hydran 201Ci From RS 485 Out of other Hydran M2 ...

Page 47: ...Page 47 Hydran M2 Installation Guide 16375 v9 0 Oct 12 Figure 41 Wiring Details of the RS 485 between 2 or more Hydran M2s ...

Page 48: ...Hydran M2 Installation Guide Page 48 16375 v9 0 Oct 12 Connecting the Hydran M2 to Hydran 201Ci Controllers Figure 42 Remote Communications with a Host Computer via a Modem ...

Page 49: ...e Supervisory Link between a Hydran M2 and a Hydran 201Ci 1 Controller Note The Hydran 201Ci 1 Controller can only display the gas level measured by the Hydran M2 not the moisture level Figure 44 Wiring of the Supervisory Link between a Hydran M2 and a Hydran 201Ci C Controller ...

Page 50: ...upervisory Link between a Hydran M2 and a Hydran 201Ci 4 Controller Note The Hydran 201Ci 1 Controller can only display the gas level measured by the Hydran M2 not the moisture level Connecting the Hydran M2 to a D25 Figure 46 Wiring of the RS 485 Link between a Hydran M2 and a D25 ...

Page 51: ...n M2 Installation Guide MODIFICATION RECORD REV DATE AUTHOR CHANGE DESCRIPTION 8 Dec 2010 Jean Marie Arseneault Created in Framemaker 9 May 2012 Yong Ng Tong Reformatted in MS Word Revised as per safety requirements ...

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