OPW SiteSentinel Nano Tank Gauge System Installation Guide

Part

Number: M2010, Rev. 3

Issue

Date: November 30, 2015

Supersedes:

November 6, 2015

M2010

SiteSentinel ®

Tank

Gauge System

Nano

®

Installation

Guide

Doc. No.: M2010 Rev.: 3

Page 2 of 91

Copyright Information

© Copyright 2015, OPW. Printed in the USA.

© 2015 Delaware Capital Formation, Inc. All Rights Reserved. DOVER and the DOVER logo are registered trademarks of Delaware Capital Formation, Inc., a wholly-owned subsidiary of Dover Corporation.

Contact OPW Fuel Management Systems

Visit us at www.opwglobal.com

, or contact us at:

Call 1-877-OPW-TECH (877-679-8324)

For calls outside US and Canada, call +1-708-485-4200

Fax 1-800-421-3297

Monday through Friday, 7 a.m. to 6 p.m., US CST

For technician registration, see http://opwglobal.com/TechSupport/TechnicianRegistration.aspx

.

For in-depth training via OPW University, see http://www.opwglobal.com/opw-u-training-registration.html

.

Listings and Certifications

Table of Contents

Table of Contents

Section 1 Safety Alerts

1.1 Applicable Warnings

1.2 Installer Safety

1.3 Precision Leak Test

1.3.1 Prior to Initial Inspection

1.3.2 Initial Inspection

Section 2 SiteSentinel® Nano® Console

2.1 Communication Lights

2.2 Blank Door

2.3 Console Specifications

2.4 Console Installation

2.4.1 Mounting the Console

2.5 Wiring Requirements

2.5.1 Electrical and I.S. Barrier Wiring

2.6 Console and Peripheral Connections

2.6.1 Direct Connections

2.6.2 Ethernet Connections

2.6.3 RS-232 Communications Conduits

2.7 Complete the Installation

Section 3 OM4 Output Module

3.1 Safety Precautions

3.2 Codes

3.3 Hazardous Area Definition

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20

21

22

17

17

19

20

22

23

23

13

14

14

15

12

12

13

13

10

11

12

3

9

3.4 OM4 Technical Specifications

3.5 Product Certifications

3.6 OM4 Installation

3.7 OM4 Connections

3.8 Jumper Settings for Multiple OM4 Operation

Section 4 Tank Alert (Overfill Alarm)

Safety Information

4.1 Tank Alert Specifications

4.2 Tank Alert Wiring

Section 5 Tank & Pre-Installation Preparation

5.1 Waterproof Electrical Connections

Components

Personal Protective Equipment

Tools Required

Instructional Video

Safety Information

Assembly Procedure

5.2 Probe-Cable Seal-offs

5.3 Probe Placement

5.4 Probe Installation in Underground Storage Tanks

5.5 Product Offset Calculation

Section 6 Rigid Probe Installation

6.1 Adaptor Collar & Riser Cap

6.2 Probe Floats

6.3 Multi-drop Installation

6.4 Model 924B Probe

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29

29

30

30

36

37

38

38

31

34

35

38

38

39

26

27

28

29

29

29

23

23

24

25

25

26

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6.5 Density Measurement Sensor (DMS)

6.5.1 DMS Installation

6.5.2 Tank Thresholds

6.5.3 DMS Configuration & Preliminary Calibration

Section 7 Sensor Support

7.1 IntelliSense™ Technology

7.2 Mixed Multi-drop Installation

7.3 OPW Smart Sensors for Nano®

Discriminating Dispenser Pan/STP Sump Sensor – Smart Sensor Equipped with

Intellisense Technology

30-0232-DH-10 & 30-0232-DH-20

Description

Installation

Connections

Typical Installation Drawing

Controller Setup

Testing the Float Sensor

Testing / Decontaminating the Hydrocarbon Sensor

Discriminating Interstitial Sensor (Optical) – Smart Sensor Equipped with Intellisense Technology

30-0236-LW

Description

Installation

Connections


Controller Setup

41

42

43

43

44

44

44

45

46

46

49

49

50

50

46

48

49

51

51

51

51

52

53

53

53

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Testing the Optical Sensor

Hydrocarbon Liquid Sensor with Water Indicator

30-0234-HW-06, -15, -20

Description

Installation

Connections


Controller Setup

Testing the Hydrocarbon Liquid/Water Sensor Float

Testing the Hydrocarbon Liquid Sensor Portion

Testing the Water Sensor Portion

Cleaning the Hydrocarbon Sensor Portion

30-0234-HW-01

Interstitial Hydrocarbon Liquid Sensor with Water Indicator

58

58

59

59

Testing and Decontaminating the Interstitial Hydrocarbon Liquid Sensor with Water Indicator

61

Interstitial Level Sensor – Smart Sensor Equipped with Intellisense Technology

63

53

55

56

57

57

58

58

55

55

56

30-0230-S & 30-0231-S

Description

Installation

Connections


Controller Setup


Single Level Sump Sensor – Smart Sensor Equipped with Intellisense Technology

30-0231-L

65

65

65

63

63

64

65

67

67

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Description

Installation

67

68

Connections


Controller Setup


69

Dual-Level Liquid Sump Sensor – Smart Sensor Equipped with IntelliSense™ Technology

71

30-0232-D-10 & 30-0232-D-20

71

69

69

69

Description

Installation

Connections


Controller Setup



Dual Float Brine Sensor

71

72

73

73

73

73

74

75

30-0232-D-10B and 30-0232-D-20B

Description

Installation

Connections


Controller Setup


Hydrocarbon Vapor Sensor

30-0235-V

Description

78

78

79

79

79

75

75

77

77

78

Installation

Connections


Controller Setup

Testing the Hydrocarbon Vapor Sensor

Cleaning the Hydrocarbon Vapor Sensor

Appendix A: Model 924B Probe Part Numbers

Appendix B: Model 924B Probe Installation Records

Appendix C: Declaration of Conformity

Appendix D: NWGLDE Evaluation

FMS Glossary - Acronyms and Terms

Warranty

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85

86

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90

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Section 1 Safety Alerts

This manual contains many important Safety Alerts. Do not ignore these alerts! Failure to comply with these alerts may create conditions dangerous to personnel and/or equipment. The following panels show the types of safety alerts that may appear and how each one is defined.

DANGER:

Indicates an immediately hazardous situation, which, if not avoided, will result in death or serious injury. Danger is limited to the most extreme situations.

WARNING:

Indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury.

CAUTION:

Indicates a potentially hazardous situation, which, if not avoided, may result in minor or moderate injury. Caution may also be used to alert against unsafe practices.

NOTICE: Indicates a property damage message.

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1.1 Applicable Warnings

The inside of this automatic tank-gauge system console contains high-voltage circuitry; therefore, ONLY certified technicians should be allowed to access the console.

NOTE: Only certified OPW technicians are authorized to install and program this automatic tank gauge system. Failure to comply could result in a voided warranty.

DANGER:

To avoid possible explosion or fire, do not replace the lithium battery with a type that is not compatible.

Battery may explode if mistreated. Do not recharge, disassemble or dispose of in fire.

The battery used in this device may present a risk of fire or chemical burn if mistreated. Do not disassemble, heat above 50°C or incinerate.

Dispose of used battery promptly. Keep away from children. Do not disassemble and do not dispose of in fire.

The console can remain energized via the backup battery, even though the line power has been removed.

The inside of the SiteSentinel

®

Nano

® console contains high-voltage circuitry;

ONLY certified technicians should be permitted access to the console.

An external disconnect device must be installed for any permanently connected equipment!

An electrical outlet must be installed near any equipment requiring access through a plug connection!

The SiteSentinel

®

Nano

® console has one (1) lithium battery. When the battery can no longer hold sufficient electrical power it must be replaced.

IMPORTANT: Replace the battery with Zeus Part Number S248 ONLY. Use of another battery may present a risk of fire or explosion.

A used battery must be removed and brought to a battery-recycling center for approved disposal.

NOTICE: When the lithium battery is being charged, the console must stay energized or all configuration data will be lost.

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1.2 Installer Safety

CAUTION:

Incorrect installation can endanger installers and users of this equipment and could result in environmental contamination or equipment damage. Read these instructions carefully!

Installation must be in accordance with the U.S. National Electrical Code (NFPA No. 70) and the Automotive and Marine Service Station Code (NFPA No. 30A).

For installations outside the United States, make sure that the installation obeys all applicable local codes.

When installing in a hazardous area as defined by the NEC, only intrinsically safe devices can be installed in or above the Class 1, Division 1 and 2 Hazardous Area.

It is the installer’s responsibility to examine and obey any local codes.

NOTE: Local codes may dictate special installation requirements. Installation is subject to approval by the local authority having jurisdiction at the site.

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1.3 Precision Leak Test

A third-party precision leak test must be performed on each tank and product line (especially older tanks) before installing the console. This test will make sure that leak data supplied by the system is accurate and reliable. A pressurized precision leak test can be done on a tank after the probe has been installed (pressure must NOT be more than 5 psi [0.34 bar]).

NOTE: Most regulatory agencies will accept the ATG tank test as the acceptance test on new tank installations. Make sure this applies to your local agency before testing any tank.

1.3.1 Prior to Initial Inspection

Refer to the initial Site Survey form (M00-2017- Site Survey ) and compare the equipment that was shipped to what is listed in the site survey.

NOTE: Not all Site Survey questions will require an answer; for all unanswered questions, please respond with “N/A.” Do not leave any field empty!

1.3.2 Initial Inspection

All packed items should be given a full visual inspection for damage that could have occurred during shipping.

The console Data Sheet found in the product container supplies important details about the tank gauge system. Store the data sheet and OPW Technical Documentation CD in a secure location.

The Field Wiring Diagram found in the product container should be given to your installer or electrician.

The console Data Sheet, Field Wiring Diagram and other documentation related to your SiteSentinel

®

Nano

® can also be found and downloaded from the OPW global website at www.opwglobal.com

.

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Section 2 SiteSentinel

®

Nano

®

Console

The SiteSentinel

®

Nano

® console can monitor up to 12 probes and has two (2) relays that can be used at the same time. Since only AC power connections and Petro-Net communication connections are required, the console can be installed in many locations of a fueling facility.

Operation of the console through a local PC connection requires use of the supplied crossover Ethernet connection cable. To connect remotely via a local or corporate LAN/WAN, the system’s IP address may be entered into your Internet browser’s address bar. For remote connections through other methods, including

VNC Viewer software, consult your IT professional for assistance.

2.1 Communication Lights

The SiteSentinel

® indicating:

Nano

® console has three (3) communication lights on the front of the enclosure, l l l

Green = Power

Red = Alarm

Yellow = Warning

2.2 Blank Door

For sites making the decision to operate the console through remote connections only, a Blank Door unit is available. When enabled, the console’s touch screen display will not be activated. As an alternative, an illuminated push button will be available on the front panel for alarm notification and acknowledgment.

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2.3 Console Specifications

Console Specifications

Power:

Relay Contacts:

Operating Temperature:

Console Dimensions [H x W x D]:

Display:

Printer:

Standard Alarms:

Optional Alarms:

Alarm Notification:

Communication Ports:

Network Connectivity:

120/240 VAC +/- 10%, 50/60 Hz, 30 W

250V AC 10A Max.

0°C to 50°C (32°F to 122°F)

21 cm x 32.5 cm x 6 cm (8.3 inches x 12.8 inches x 2.4

inches)

17.8 cm (7 inches) color LCD touch screen display Graphical

User Interface (GUI)

External USB

Buzzer, Light and Acknowledge

External Tank Alert (internal relay)

Email, SMS

One (1) RS-232 Communication port; or

One (1) RS-485 Communication port

One (1) RS-422 Communication port

One (1) Ethernet port

Two (2) USB ports

Two (2) Internal inputs

Two (2) Internal outputs

DHCP/static addressable RJ-45 Ethernet ports, supports corporate and local LANs

2.4 Console Installation

To watch the instructional video “Installation of an OPW Nano Tank Gauge,” scan or click the QR code below:

The instructional video can also be found at www.YouTube.com

by entering the search word “OPWGlobal.”

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NOTE: The QR codes and web links in this manual are set to start the video at the appropriate spot for the topic where it is introduced. The video will continue to play till the end.

You have the option to manually stop the video at the end of the topic or continue playing.

2.4.1 Mounting the Console

Figure 2-1 Mounting the Console

1.

Select a spot to mount the SiteSentinel® Nano® console on a wall in a secure indoor location so the display is easily visible and at a comfortable eye level.

a.

Make sure there is sufficient access to the communication ports on the bottom of the console.

b.

Make sure to leave sufficient space either below or above the unit to run power and communication conduits to the console.

2.

Remove the two (2) screws located on either side of the console that hold the cover in place. Set them aside where they will not be lost to be reinstalled later.

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3.

Put a small screwdriver into one of the two (2) release holes located on the left side of the console. Push the screwdriver in till you feel the cover release. Do the same with the second release hole. Set the cover aside.

4.

Hold the unit against the wall where it will be mounted. There are three (3) mounting screw holes in the unit. Use a pen to mark the screw hole locations on the wall.

5.

Drill the holes where you marked the locations and tap or insert screw anchors in the hole.

NOTICE: Be sure to remove the main board and set it in a static-free environment before proceeding to the next step. This will prevent damage to the main board components when removing the knockouts.

ATTENTION:

OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC

DISCHARGE SENSITIVE DEVICES

Following the guidelines below can minimize the potential for damage from Electrostatic Discharge (ESD).

l l

A new component to be installed should be kept in its antistatic packaging as long as possible prior to installation

Handle ESDS components by the edges. Avoid touching any of the circuitry.

6.

Remove the knockouts from either the bottom or top of the unit (as determined in Step 1c above).

The knockouts can be removed by inserting a small screwdriver into the groove and hit it firmly with a hammer.

TIP: As an alternative, for a safe and clean removal of the knockouts you can use a Greenlee hole punch, or equivalent hardware if available.

7.

Reinstall the main board and mount the unit to the wall with screws that match the size of the screw holes or anchors that were installed in Step 5.

8.

Install the conduits in the empty knockout holes.

To watch the Conduit Installation portion of the instructional video “Installation of an OPW Nano Tank

Gauge,” scan or click the QR code below:

9.

Pull the electrical wires and probe/sensor wires through the conduit to the console.

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IMPORTANT: Make sure the electrical wiring is routed to the left side of the console and the probe/sensor wiring is routed to the right side.

2.5 Wiring Requirements

To watch the Wiring Requirements portion of the instructional video “Installation of an OPW Nano Tank


CAUTION:

All installations must be done in accordance with local regulations.

Rigid steel conduit should be used when possible.

2.5.1 Electrical and I.S. Barrier Wiring

CAUTION:

Make sure that the I.S. ground wire and Earth ground are properly attached to the console back to the electrical panel to prevent highvoltage being sent to the I.S. wiring side in the event of a field short.

NOTICE: When wiring the connectors, be sure there are no exposed stripped wires outside of the block. This is to prevent shorting the high-voltage on the electrical side and to prevent damage to the barrier and/or the probe itself from shorting on the probe side.

Figure 2-2 Main Board Connections

Figure 2-3 Conduit Installation

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Figure 2-4 Field Wiring Diagram

2.6 Console and Peripheral Connections

To watch the Peripheral Connections portion of the instructional video “Installation of an OPW Nano Tank


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2.6.1 Direct Connections

NOTE: The SiteSentinel

®

Nano address if using a crossover.

® console comes with a set IP address. Do not change this

To establish a direct, wired connection between the console and a PC, a standard RJ45 crossover cable is required. For details on setting up a direct connection between a PC/laptop and the console refer to the introductory section Direct Connection with a Crossover Cable in the M2011 SiteSentinel

®

Nano

®

Configuration Guide.

2.6.2 Ethernet Connections

Ethernet connections are the final alternative for establishing communications between the console and peripheral devices. For this type of connection, an Ethernet cable is run between devices at a maximum length of 91.4 m (300 feet).

TIP: This distance can be extended through the use of hubs and routers. If more than 1.8 m (6 feet) of cable is required, the use of conduit to protect the cable is recommended.

2.6.3 RS-232 Communications Conduits

If a terminal or PC located more than 1.8 m (6 feet) from the console is to be connected, conduit must be installed to accommodate the RS-232 cable.

NOTE: The maximum runs for serial communication cable is 15.2 m (50 feet).

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2.7 Complete the Installation

To watch the Complete the Installation portion of the instructional video “Installation of an OPW Nano

Tank Gauge,” scan or click the QR code below:

After the console and conduits have been installed and all wiring and connections have been completed: l

Snap the console front panel cover back into place on the front of the unit.

l l

Reinstall the two (2) side screws that hold the front panel cover in place.

Go to the breaker box and power up the console.

Section 3 OM4 Output Module

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Figure 3-1 OM4 Module

The OM4 Output Module expands the tank-gauge console functions by allowing up to 4 (four) OM4 units each with 4 (four) relay positions for a total of 16 relays. The OM4 communicates with the controller via Petro-

Net™ and is powered by a 12 VAC wall pack source that is supplied with the unit. See the wiring instructions inside the OM4 unit for the correct Petro-Net™ communications and power wiring connections.

NOTE: See the tank-gauge console Configuration Manual for information on programming the alarms, events and Output Module relay associations.

Some common OM4 functions include: l

Turn off a submersible pump when low product is sensed in a tank.

l

Activate an alarm when high product is sensed in a tank.

3.1 Safety Precautions

DO NOT connect the OM4 output Module drectly to a submersible pump! The OM4 controls pumps INDIRECTLY, through relays or contactors.

WARNING: High voltages exist inside the OM4. Only qualified technicians should open the unit.

Output relays in the OM4 are not intrinsically safe! Before working on the OM4 Output Module, disconnect the power, including power to

Doc. No.: M2010 Rev.: 3

Page 23 of 91 and from the relays.

Do not place probe and/or sensor wiring in conduit that contains wiring for devices that are connected to the OM4 Output Module.

3.2 Codes

Relay wiring is classified as Class 1 wiring. Installations must be in accordance with the National Electrical

Code (NFPA No. 70) and the Automotive and Marine Service Station Code (NFPA No. 30A). It is the installer’s responsibility to investigate and obey any applicable local codes in the country\county of installation.

3.3 Hazardous Area Definition

A fuel dispenser is a hazardous area as defined in the National Electrical Code.

Do not mount the OM4 Output Module within a hazardous area.

DANGER:

Do not attach this unit to any devices that are located in the hazardous area.

3.4 OM4 Technical Specifications

OM4 Technical Specifications

Field Wiring Rating:

Power Requirements:

Dimensions (W x H x D):

Temperature Rating:

Relay Output Rating:

105°C, 600V Type RH. TW, RFH-2 or equivalent

12 VAC, 0.5A Max.

15 cm x 15 cm x 10 cm (6” x 6” x 4”)

0°C – 40°C (32°F – 104°F)

5A @ 240 VAC; 5A @ 24 VDC

3.5 Product Certifications

l l

Electronic Testing Labs Canada (cETL)

Electronic Testing Labs (ETL)

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3.6 OM4 Installation

The OM4 must be mounted on a wall using only the mounting holes provided. Knockout locations are shown below. OM4 Modules require communication connection to the console and AC power.

IMPORTANT: The OM4 module is not NEMA-rated and must not be mounted with direct exposure to the elements.

NOTE: Only use the knockouts provided. Seal all unused knockouts.

Figure 3-2 OM4 Dimensions and Knockout Locations

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3.7 OM4 Connections

Follow the wiring instructions inside the module for proper Petro-Net communications and power wiring instruction.

Connect all relay wiring to the appropriate terminal block(s).

Figure 3-3 OM4 Wiring Connections

3.8 Jumper Settings for Multiple OM4 Operation

To install 2 or more OM4 Output Module boxes:

1.

Remove the nuts that attach the aluminum cover.

2.

Remove the cover. This will expose the circuit board.

3.

Set the jumpers to the correct address.

4.

Place the aluminum cover on the unit.

5.

Attach and tighten the nuts.

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Section 4 Tank Alert (Overfill Alarm)

The SiteSentinel

®

Nano

® can trigger an overfill alarm using either the console’s internal output contacts or an output relay of a connected OM4 Module. The Tank Alert has a buzzer and an external light to warn users of an overfill condition or high-product alarm.

NOTE: The overfill alarm can be programmed to operate with any alarm that has relay 1 or relay 2 activation.

Safety Information

WARNING:

EXPLOSION or FIRE HAZARD. Do not install this unit in hazardous locations as defined by the National Electrical Code, ANSI/NFPA 70.

ELECTRICAL SHOCK HAZARD. Disconnect power before installing or servicing this unit. A qualified service individual must install and service this unit according to applicable electrical and plumbing codes.

4.1 Tank Alert Specifications

Tank Alert Specifications – 120V

Voltage:

Enclosure Dimensions (H x W x D):

Alarm Horn:

Alarm Beacon:

Auxiliary Alarm Contacts (Optional):

Pre-Mounted Terminal Block (Optional):

120 VAC, 50/60 Hz

6.5 x 4.5 x 3 inches (16.51 x 11.43 x 7.62 cm)

Alarm Horn: 85 decibles at 10 feet (3 meters)

UL Listed, Type 4X beacon assembly

120 VAC. 5 amps max., 50/60 Hz

20 amps, 120/230 VAC

Tank Alert Specifications – 240V

Voltage:

Enclosure Dimensions (H x W x D):

Alarm Horn:

Alarm Beacon:

Auxiliary Alarm Contacts (Optional):

Pre-Mounted Terminal Block (Optional):

220-240 VAC, 50/60 Hz

6.5 x 4.5 x 3 inches (16.51 x 11.43 x 7.62 cm)

85 decibles at 10 feet (3 meters)

UL Listed, Type 4X beacon assembly

240 VAC. 5 amps, 50/60 Hz

240 VAC, 20 amps

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4.2 Tank Alert Wiring

NOTE: Refer to the Field Wiring Diagram for your specific ATG system to connect wires inside the Tank Alert box

Figure 4-1 Tank Alert Wiring Connections

Section 5 Tank & Pre-Installation Preparation

5.1 Waterproof Electrical Connections

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Components

Each probe/sensor wiring kit will have all the necessary components you will need to complete the sealpack assembly for waterproofing the electrical connections. You will need: l

Three (3) wire nuts l l

Two (2) cable tie wraps

3M

™

Scotchcast

™

Electrical Insulating Resin packet

Personal Protective Equipment

In addition to the safety vest and barricades you are required to use for the wire installation you will also be required to wear the following items when assembling the epoxy resin sealpack: l l

Safety glasses

Chemical resistant gloves

Tools Required l

Wire stripper/cutter

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Instructional Video

If you have a QR code scanner/reader app for your smartphone you can scan this code to view the instructional video , Multidrop Probe & Sensor Wiring Instructions. If you are viewing this manual on a computer or tablet, simply click on the code.

NOTE: This link starts the video at a midway point where the relevant section begins.

Safety Information

DANGER:

Contains vinyl cyclohexene dioxide. Harmful if swallowed. Do not get product on skin or in eyes. Do not inhale fumes.

For detailed product hazard information see the MSDS for the 3M

™

Scotchcast

™

3570G-N (Parts A & B). If you have a QR code scanner/reader app for your smartphone you can scan this code, then go to the

Documents tab and select the MSDS:

Assembly Procedure

The procedure for assembling the wire connections and resin sealpacks is outlined below.

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Assembling the Epoxy Sealpack for Waterproof Electrical Connections

NOTICE: It is VERY important to seal all probe and sensor connections in the junction box to prevent corrosion of the wires.

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To make the connections waterproof, use the supplied Scotchcast

™ epoxy-resin Insulating Resin Sealpacks.

They are provided to seal the electrical connections from moisture and water and prevent corrosion of the connections. Install one for each cable connection.

1.

Strip approximately 1.5 inches of the cable jacket from the end of the probe/sensor cable to expose the four (4) wires inside (power, signal ground and shield).

IMPORTANT: When stripping cables and wires do not cut so deep as to nick the wiring inside the jacket material.

2.

There are four (4) wires inside the probe/sensor cable.

n

The Blue wire is the Power connection n n

The Brown wire is the Signal connection

The Black wire and Braided Shield are the Ground

3.

Strip 0.5 inch of jacket material from the ends of the Blue, Brown and Black wires.

4.

Strip approximately 1.5 inches of the cable jacket from the end of the Home-run cable (Belden

88760 or 88761) to expose the three (3) wires inside (Red = Power, Black = Signal, Braided

Shield = Ground).

5.

Strip 0.5 inch of jacket material from the ends of the Red and Black wires.

6.

Place a wire tie wrap around both of the stripped cables about 1 inch from the end of the cable jackets. Pull the tie snug and cut the excess tie material at the clamp.

7.

Connect the Power, Signal and Grounds of the probe/sensor cable to the Power, Signal and

Ground of the Home-run cable together using the three (3) supplied wire nuts.

n n n

Twist the ends of the exposed wires together

Insert the twisted wires into the end of the wire nut

Turn the nut clockwise several turns until the wires are firmly attached

NOTE: Refer to the wiring diagrams in the product manual for specific information on probe/sensor wiring.

8.

Fold one of the fastened wire nuts back as shown in the photo. This will allow the entire wire nut assembly to fit completely into the epoxy bag.

CAUTION:

To prevent exposure to the chemicals in the epoxy packs, always wear protective gloves and safety glasses when handling the epoxy resin packs!

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9.

Prepare the epoxy resin sealpack.

n

Bend the sealpack until the barrier between the two resins weakens n

Thoroughly mix the two (2) resins together for approximately two (2) minutes. The mixed epoxy will become warm to the touch.

n n

Push all of the mixed resin to the bottom of the bag

Cut and tear the top of the bag to open

10.

Insert the wire-nut assembly all the way into the bottom of the bag. Fold the bag tightly around the tied cables. Attach a second tie wrap around the bag just above the tie wrap holding the wires (this will prevent the wire-nut assembly from slipping out of the bag.

Move the epoxy around to thoroughly cover all of the wires and wire nuts inside the bag. Once the epoxy has set this will provide a secure, waterproof electrical connection and will prevent corrosion of the wiring connections.

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5.2 Probe-Cable Seal-offs

WARNING:

To prevent explosive vapors from entering the I.S. barrier, sealoff the probe cables before they enter the I.S. barrier.

1.

Remove enough of the jacket to allow approximately 7.6 cm (3 inches) of wire leads to extend past each seal-off.

DO NOT nick the wire insulation.

2.

Probe or sensor wires using prepared Belden or Alpha cable go through NPT bushings into a weatherproof junction box. Bushings must be used in all junction boxes.

3.

The cable is then routed—via rigid steel conduit—out of the box and directly to the I.S. barrier.

4.

Label each cable and wire.

CAUTION:

The console must have a dedicated power circuit, and must be on the same phase as all other OPW equipment.

Only OPW probe cables and sensor wiring can share the conduit to the I.S.

barriers.

NOTICE: Improper cables, wiring, or conduit allow electronic noise to interfere with probe/sensor measurements. This may cause measurement readings at the console resembling hardware failure. The warranty is voided if improper cables, wiring and/or conduit are installed. The ground wire must be properly installed for the operation of the noise-filtering circuitry. Do not rely on the conduit for the operation of the ground.

Figure 5-1 Probe-Cable Seal-Offs

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5.3 Probe Placement

CAUTION:

Model 924B probes must be installed as described in this section. If the minimum or maximum dimensions specified cannot be met, do not proceed with the installation.

Model 924B probes are safe for Class 1, Div 1, Group D hazardous locations. This includes tanks containing regular, super, diesel and unleaded gasoline; antifreeze; kerosene; mineral spirits; oxinol, methanol and methanol blends; motor, torque and transmission oil; and alcohol. If you have any questions about whether a product is included in this classification, please contact your product specialist or OPW distributor.

The ideal location for a probe is in the center of the tank (See the illustration below).

The probe should be located at least 91.4 cm (3 feet) from the tank fill pipe. If this distance is less than 91.4

cm (3 feet), the force of the product entering the tank can cause the water float to rise up the shaft of the probe. This may cause the controller to generate a false high-water alarm.

Adjust the drop tube of the fill pipe so that the product flow is diverted away from the probe.

Similarly, a Submersible Turbine Pump (STP) should be located at least 91.4 cm (3 feet) from the probe. If this distance is less than 91.4 cm (3 feet), the force of the product being pumped from the tank can adversely impact readings of both, the water and product floats.

Figure 5-1 Probe Placement

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5.4 Probe Installation in Underground Storage Tanks

1.

Install a manhole of at least 45.7 cm (18 inches) diameter around an unused fitting in the top of the tank. This manhole must be large enough to contain a weatherproof junction box.

NOTE: If the fitting is not in the center of the tank, additional measurements are required for probe compensation.

2.

When installing the probe, allow enough cable from the probe to reach a weatherproof junction box.

3.

Leave minimum 30.5 cm (12 inches) of extra, coiled wiring (probe wire and field wire) inside the weatherproof junction box. The box must be large enough to contain a 12.7 mm (0.5 inch) conduit, coiled field wiring and epoxy pack, as shown in field wiring diagram.

CAUTION: Seal-offs are required any time I.S. wiring enters conduit.

4.

Install the 1/2-inch NPT bushing (supplied with each probe) in the weatherproof junction box.

Figure 5-1 Probe Installation

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5.5 Product Offset Calculation

It is possible to calculate product offset for a probe that is not installed in the center of a "pitched" tank. Pitch is the tilt of a tank along its horizontal axis. Some tanks are intentionally installed with one end lower than the other to allow water and sediment to collect at the low end, while clear product is drawn from the high end.

Tank settling can also cause pitch. The rate of pitch can be measured by using a dipstick to measure the level of product at two points (preferably opposite ends) of the tank (see the figure below).

The product depth at the deep (lower) end of the tank is value “A.” The product depth at the shallow (higher) end is value “B.” The distance between the two measuring points is “C.”

The formula for pitch is:

(A-B)/C

For example:

(46"-40")/120" = 6"/120" = 0.05”

To calculate the product offset, measure value “D,” the distance of the probe from the center of the tank. The formula for product offset is “D” x pitch. For the example above: 36” x 0.05 = 1.8”.

If the probe is located closer to the shallow end of the tank, the product offset is positive. For the example above: 1.8”.

If the probe is located closer to the deep end of the tank, the product offset is negative; for the example above:

-1.8”.

Figure 5-1 Product Offset

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Section 6 Rigid Probe Installation

6.1 Adaptor Collar & Riser Cap

A modified adaptor collar and riser cap (OPW Model 62M) is required for each probe. These collar and riser cap kits are available from OPW Fuel Management System.

1.

Install the modified adaptor collar onto the riser pipe.

2.

Screw in the OPW-supplied bushing (62 mm) with the probe into the 3/8-inch NPT hole in the riser cap.

3.

After the probe is lowered into the tank, snap the cap into place.

6.2 Probe Floats

There are three types of floats used with the probes: Product, Water for Diesel, and Water for Gasoline.

IMPORTANT: The two types of water floats are NOT interchangeable. Because diesel is denser than gasoline, the water/diesel floats are heavier than the water/gasoline floats. If the wrong water float is installed in a diesel tank, it does not sink through the product to the water below. As a result, the tank will have unusually high water measurements and possibly erratic product measurements as the water float interferes with the product float.

Probe Type/Float Style

924B 2” (5.1 cm) Floats:

Float Kits

Gas: 30-1509-02

Diesel: 30-1509-01

NOTICE: The product float for LPG is not certified for applications in which it will be subjected to pressures at or above 300PSI. Pressures higher than 300PSI will damage the device, preventing it from providing accurate measurements.

6.3 Multi-drop Installation

The Nano's internal barrier permits the installation of multi-dropped probes. When using this installation method, follow the directions below to make sure the wiring is correct.

Sensors and probes cannot be multi-dropped from the same I.S. channel. You must run sensors and probes to different channels on the barrier.

IMPORTANT: Seal packs are required with all wiring applications in the field. Weatherproof junction boxes are REQUIRED with ALL I.S. field connections.

Click here to see the Waterproof Electrical Connections instruction.

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Figure 6-1 Multi-drop Probes

6.4 Model 924B Probe

Figure 6-2 924B Magnetostrictive Probe

The 924B probe comes standard in stainless steel and can be used in a variety of liquids, including gasoline, diesel and water.

The 924B Probe wiring can be multi-dropped with up to four (4) probes connected to the same I.S. barrier channel.

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CAUTION:

Special Conditions for Safe Use :

To avoid a build-up of static charge, do not rub with a dry cloth or clean in any manner that would result in a charge build-up. Discharge the outside of the hazardous area before putting into service.

These devices have not been evaluated for use across a boundary wall.

The upper housing cover in the top of the enclosure is aluminum. Care must be taken to avoid ignition hazards due to impact or friction.

924B Magnetostrictive Probe Specifications

Power Requirements:


Nominal 12+ VDC from I.S. Barrier

-40°C to +70°C (-40°F to 158°F)

Maximum Total-Run Wiring

Length*:

305 m (1,000 feet) Belden 88760 or Alpha 55371

Level Measurement Product:

Level Measurement Water:

152 m (500 feet) Belden 88761 (or equivalent)

+/- 0.0127 cm (+/-0.00005 inches)

+/- 1 mm (+/-0.04 inches)

Temp. Resolution/Accuracy:

Classifications:

Certifications:

I.S. Barrier Used:

Multi-drop Restriction**:

Connections:

+/- 0.1°C, +/-0.5°C

Class I, Division 1, Group D

IECEx UL 11.0012X

DEMKO 11 ATEX 1012670X

12V ONLY; OPW P/N: 20-4344 (Green Label)

924B is the only probe that can be multi-dropped at a maximum of four (4) probes per channel

Blue = Power, Brown = Signal, Black and Shield = Ground

NOTE: *Maximum Wiring Length is the maximum length of cable to be used to connect all sensors on an individual channel. The length includes run of cable from an I.S. Barrier to each sensor board in the string.

NOTE: **ONLY 924B Probes built after September 1, 2007, (version 7.xx firmware) can be installed in multi-drop applications.

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6.5 Density Measurement Sensor (DMS)

OPW Part Number 30-3232

The Density Measurement Sensor (DMS) can be installed on the pre-existing probe. The DMS continuously measures the average density of the fuel in the tank. This can measure the smallest change in product density within the API density range. Fuel-density reports can be shown real-time on the console or exported to an external device. The readings can be either nominal or temperature-corrected density.

Density Measurement Sensor Specifications

Materials: Nitrophyl, Delrin, and Stainless-Steel spring

Resolution:

Accuracy:

0.00004 g/cc

+/- 0.0025 g/cc

Density Range:


0.6 – 1.0 g/cc

-40°C to +70°C (-40°F to 158°F)

Dimensions:

Sensors per Barrier:

Suggested Location:

Length: 27.9 cm (11 inches),

Diameter: 5.1 cm (2 inches)

12 maximum

15.2 cm (6 inches) from bottom of probe

NOTE : Use two (2) set screws at the top and the bottom of the sensor to hold in position.

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6.5.1 DMS Installation

NOTE: As density sensing is no longer an option in the system, the sensor itself will be picked up by the system once the device is installed and after redoing Auto-Detection of the probe.

1.

Remove the probe from the tank and detach the clip and nylon probe foot from the bottom of the probe.

2.

Remove the water float, slide the density sensor on and tighten the screws of the sensor onto the probe shaft (the umbrella should be facing down). Leave a space of 10.2 cm to 15.2 cm (4 to 6 inches) at the bottom of the probe shaft so the water float can detect at least 7.6 cm (3 inches) of water.

3.

Replace the water float, nylon probe foot and end clip.

4.

Place the probe back in the tank.

NOTICE: The Density Measurement Sensor is not certified for applications in which it will be subjected to pressures at or above 20.7 bar (300 psig). Pressures higher than 20.7 bar (300 psig) will damage the device, preventing it from providing accurate measurements.

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6.5.2 Tank Thresholds l

Since the Density Sensor is installed between the water and Product Float, the Product Float cannot be placed beyond the Density Sensor. In order to provide low-product alarms, the Low and Low-Low product threshold level should be set above the Density Sensor. The suggested level is 43.2 cm (17 inches) or higher.

l

Measure the distance between the end of the probe shaft and top end of the Density Sensor.

Add 5.1 cm (2 inches) to this distance to account for the dead zone at the end of the probe. The resulting value represents the minimum product Low-Low threshold.

Figure 6-1 Low-Low Threshold Measurement with DMS

6.5.3 DMS Configuration & Preliminary Calibration

For DMS configuration and calibration please refer to the M2011 SiteSentinel

®

Nano

®

Configuration Guide

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Section 7 Sensor Support

As of Release 3 the SiteSentinel

®

Nano

® system supports OPW Smart Sensors that utilize IntelliSense

™

Technology. The OPW smart sensors have the ability to monitor all contained areas of the fuel-storage system: tank interstice, piping sumps, STP containment sumps, dispenser sumps/pans, monitoring wells and site locations. Sensors connected to the I.S. barrier are automatically detected and identified by the console.

7.1 IntelliSense

™

Technology

This technology allows the Nano's internal I.S. barrier to automatically detect sensor connection, sensor type and sensor status. IntelliSense will minimize user entry errors and identify hardware issues with minimal troubleshooting.

7.2 Mixed Multi-drop Installation

OPW’s mixed multi-drop technology allows probes and sensors to be run on one wire back to the tank gauge.

With mixed multi-drop, the SiteSentinel

®

Nano

® can hold up to 12 probes or 24 sensors in any combination.

Possible combinations are driven by a point system: one probe = three points; one sensor = one point.

Each of the Nano’s four barrier positions can hold a total of 12 points, which can be obtained by 4 probes, or

12 sensors or a combination of probes and sensors.

Figure 7-1 SiteSentinel

®

Nano

®

Mixed Multi-drop Probe and Sensor Point System

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IMPORTANT: Seal packs and weatherproof junction boxes are REQUIRED with ALL I.S.

field connections.

7.3 OPW Smart Sensors for Nano

®

Part Number

30-0232-DH-10

30-0232-DH-20

Description

Discriminating Dispenser Sump Sensor

Discriminating STP Sump Sensor

30-0236-LW Discriminating Interstitial Sensor (Optical)

30-0234-HW-06/15/20 Hydrocarbon Liquid Sensor with water indicator (6, 15 and 24 ft. lengths)

30-0234-HW-01

30-0231-S

Interstitial Hydrocarbon Liquid with water indicator

Interstitial Sensor-Float Switch – (Small Plastic)

30-0231-L

30-0230-S

30-0232-D-10

30-0232-D-20

30-0232-D-10B

30-0232-D-20B

30-0235-V

Sump Sensor-Float Switch – (Large Plastic)

Liquid Only Float Sensor (Brass) - steel tank interstitial containment area

Dual Float Non-Discriminating Dispenser Sump Sensor

Dual Float Non-Discriminating STP Sump Sensor

Dual Float Brine Sensor for Containment Sump

Dual Float Brine Sensor for Fiberglass Tanks


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Discriminating Dispenser Pan/STP Sump Sensor – Smart Sensor

Equipped with Intellisense Technology

30-0232-DH-10 & 30-0232-DH-20

Description

IMPORTANT: This float body is identical to the 30-0232-D10 & D20 and 30-0232-D-10B &

D-20B. Check the label to make sure you are using the correct sensor for the intended purpose.

The dual level sump sensor is designed to detect the presence of liquid hydrocarbons and water in sumps, dispenser pans and other locations where the presence of a liquid could indicate that a leak has occurred.

The DH-10 is intended for use on dispenser pans and transition sumps, the DH-20 is intended for use in tank sumps.

The sensor contains a carbon/polymer material (Belcor

®

) that changes its resistance when exposed to liquid hydrocarbons.

Sensor with Belcor

®

Carbon/polymer Strip

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Dual float switches are incorporated into the body that cause an alarm condition when low and high levels are detected. The system will also cause an alarm condition in the event of a break in the cable or sensor malfunction.

Cutaway View of Sensor Showing Internal Floats

Specifications

Primary Use(s):

Alternate Uses:

Detects:


DH-10 Dimensions:

DH-20 Dimensions:

Float Requirements:

Nominal resistance (uncontaminated)

Nominal resistance (contaminated)

Cable:

DH-10: Dispenser Pan/Sump

DH-20: STP Sumps

DH-10: STP Sumps

DH-20: Dispenser Pan/Sump

Low Liquid, High Liquid, Fuel

-40°C to +70°C (-40°F to 158°F)

Diameter: 5.8 cm (2.3 in.), Length: 28.2 cm (11.1 in.)


Low: 3.8 cm (1.5 in.), High: 27.9 cm (11 in.)

1K – 5K ohms

30K – 200K ohms

Belden #88760 or Alpha #55371

3.6 m (12 feet) of gas & oil resistant cable to inline ISIM + 1.3 m (4 feet) ISIM tail

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Specifications

Maximum Wiring Length*:

Alarm Threshold Configuration:

Diagnostic Reading from sensor setup:

Belcor Clean

(no Hydrocarbon)

Belcor Active

(Hydrocarbon present)

Multi-Drop Restriction:

Connections:

305 m (1,000 ft.) field wiring

Fully Automatic

12 to 13 (normal),

3 to 4 (lower float in alarm - raised),

1 to 2 (lower and upper float in alarm - raised)

3.5 to 3.7 (normal),

1.8 to 2.0 (lower float in alarm - raised),

1.2 to 1.4 (lower and upper float in alarm - raised)

See Mixed Multi-drop Installation

Red = Power, Black = Signal, Shield = Ground

NOTE: *Maximum Wiring Length is the maximum length of cable to be used to connect all sensors on an individual channel. This length includes run of cable from VSmart to each sensor board in the string.

Installation

NOTE: To ensure safe operating conditions this sensor has been designed to connect to

OPW Tank Gauges Smart Sensor 12V IS Module ONLY. Smart sensors CANNOT be used with SS1, 2 or 3, iTouch or any EECO consoles.

ALWAYS observe Local and National Electrical Codes for installation location.

CAUTION: Ensure the cabling (gas and oil resistant FMS part # 12-1030) back to the controller is in conduit that is dedicated to intrinsically safe wiring.

Use wire nuts and seal pack for field connection.

l l l l l l l

This sensor requires ONE Controller Interface Module position

Begin with the “Typical Installation" drawing.

Make sure the sump/dispenser pan is dry.

Position the sensor so that it is touching the bottom of the sump/dispenser pan.

Connect the sensor cable to the sensor.

Connect the sensor wires to the field wires in the junction box. Use the supplied cable gland and silicon wire nuts.

Seal the electrical connections with the epoxy seal packs (refer to M00-390008 Waterproof

Electrical Connections for detaied instruction).

l

Install seal-offs at both ends of the conduit run.

Connections

Sensor Wire Color

Red

Black (hydrocarbon sensor)

Shield (or 3rd conductor)


12V Smart Sensor Interface Channel

Power

Signal

Ground

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Controller Setup l

On the console, the sensor should be Auto Detected (see the console configuration manual).

Alarm thresholds are configured automatically through the Intellisense mechanism between the sensor and the console.

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Sensor installed in a normally dry well l

Place the float in the high position. This should trigger an alarm in the controller.

l

Return the float to the low position and check that the controller is no longer in alarm.

Sensor installed in a normally wet well l

Place the float in the low position. This should trigger a alarm in the controller.

l

Return the float to the upper position and check that the controller is no longer in alarm.

If the controller fails to go in to alarm check that the thresholds programmed in the system are correct. Check the orientation of the float as described earlier. A sensor or wiring fault will trigger a system alarm. Check all wiring and junction boxes to ensuring continuity without shorts.


CAUTION:

When working in the hazardous area use caution to avoid a hazardous situation.

When conducting testing or decontamination of the sensor work in a well ventilated area with no hot surfaces or open flames near by.

To test the hydrocarbon liquid portion of the sensor: l l

Put the polymer fully into Mineral Spirits and wait approximately 10 minutes.

Remove the sensor and let it hang to air dry for another 10 minutes.

l

This should cause controller alarms or events associated with the hydrocarbon portion of the sensor.

To test the water detector of the sensor: l l

Put the end of the sensor fully into TAP water for at least two (2) minutes.

l

This should cause controller alarms or events associated with the water detector portion of the sensor.

To clean the polymer of hydrocarbon contamination:

Make sure the sensor is disconnected.

l l l l l

Put the contaminated portion of the sensor fully into Denatured Alcohol and let stand for one (1) hour.

Flush the sensor with water to remove any residue.

Let the sensor settle for one (1) hour.

Reconnect the sensor.

The sensor will return to its original resistance.

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Discriminating Interstitial Sensor (Optical) – Smart Sensor Equipped with Intellisense Technology

30-0236-LW

Description

The Discriminating Interstitial optical liquid sensor is used primarily to monitor the interstitial area of doublewalled tanks. This sensor incorporates a long-life, solid-state optical prism and can also be used in sumps, dispenser pans and other locations where the presence of a liquid could indicate that a leak has occurred.

The sensor distinguishes between water and hydrocarbons. Detection of liquid will cause an alarm condition.The system will also cause an alarm condition in the event of a break in the cable or sensor malfunction.

Specifications

Primary Use:

Alternate Use(s):

Detects:


Dimensions:



Cable:



Diagnostic Reading from Sensor Setup:


Connections:

Liquid detection in the interstitial space of double-walled tanks.

Dispenser Pans and STP Sumps

Liquids: Hydrocarbon and Water

-40°C to +70°C (-40°F to 158°F)

Length: 8.2 cm (3.22 in.), Width: 2.8 cm x 1.6 cm (1.1 in. x .62

in.)

1K – 5K ohms

30K – 200K ohms




Fully Automatic

0.02 to 0.03 and 0.23 to 0.25 (normal),

0.02 to 0.03 and 0.02 to 0.03 (water alarm),

0.23 to 0.25 and 0.23 to 0.25 (hydrocarbon alarm)



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Figure 7-1 30-0236-LW Dimensions

Installation

NOTE: To ensure safe operating conditions the sensor has been designed to connect to





l l l l l



Measure the length of the annular space-monitoring pipe from top to bottom and subtract 1.3 cm

(0.5 in.) for a total measurement to be used for sensor placement.

Measure the calculated length from the sensor tip along the sensor cable and mark with tape or a marker.

Feed the sensor into the monitoring pipe until the tape mark is even with the top of the pipe.

IMPORTANT: To prevent false alarms, the sensor should not touch the bottom of the monitoring tube l


Doc. No.: M2010 Rev.: 3

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Connections


Red





Power

Signal

Ground

Controller Setup l



Testing the Optical Sensor


CAUTION:


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To test the water detection of the sensor: l

Put the sensor fully into water. This should cause a water alarm condition in the controller.

l

Remove the sensor from the water. Check that the controller is no longer in alarm.

To test the hydrocarbon liquid detection of the sensor: l l

Put the sensor fully into a non-conductive hydrocarbon (or equivalent) liquid. This should cause a hydrocarbon alarm condition in the controller.

Remove the sensor from the hydrocarbon liquid. Check that the controller is no longer in alarm.

TIP: This sensor can be wiped clean and does not require any recovery time before being put back into active service again.

NOTE: If the controller fails to go into alarm, check all wiring and junction boxes to verify continuity without shorts. Any sensor or wiring fault will trigger a system alarm.

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Hydrocarbon Liquid Sensor with Water Indicator

30-0234-HW-06, -15, -20

Description

The Hydrocarbon Liquid/Water Sensor (available in lengths of 6 feet [1.8 m], 15 feet [4.6 m] and 20 feet [6.1

m]), is used primarily for monitoring wet wells with fluctuating groundwater tables. This sensor uses a carbon/polymer material that changes its resistance when exposed to liquid hydrocarbons.

A water sensor is also used that relies on the conductivity of water to detect its presence. This functionality lets the sensor discern between hydrocarbon liquid and water.

The sensor will alert the system to the absence of ground water in a monitoring well or the presence of water in containment areas. It will also alert the system of any fuel leaks into the containment area. In the event of a break in the cable or sensor malfunction, the system will also result in an alarm condition.

Specifications

Primary Use:

Detects:


Dimensions:



Cable:



Connections:

Monitoring Wells liquid Hydrocarbons and Water

-40°C to +70°C (-40°F to 158°F)

Length: 6’ (1.9 m), 15’ (4.6 m) or 20’ (6.1 m)

Diameter: 0.7” (1.8 cm)

1,000 – 3,000 ohms/ft

30,000 – 200,000 ohms/ft


1,000’ (305 m) field wiring



NOTE: *Maximum Wiring Length is the maximum length of cable to be used to connect all sensors on an individual channel. This length includes run of cable from the console to each sensor board in the string.

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Installation






REMINDER: Hydrocarbons float on water. If the sensor is fully submerged in water, the polymer is unable to detect hydrocarbon liquid.

l l l l

This sensor requires ONE (1) Controller Interface Module position

Begin with the “Typical Installation" drawing



l l




Connections


Red

Black

Shield


Power

Signal

Ground

Doc. No.: M2010 Rev.: 3

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Controller Setup l



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Testing the Hydrocarbon Liquid/Water Sensor Float


CAUTION:


Testing the Hydrocarbon Liquid Sensor Portion l l l l l l




Disconnect the hydrocarbon portion of the sensor. This should cause an alarm condition.

Reconnect the hydrocarbon portion of the sensor and then short across the leads.

This should NOT cause an alarm condition.

If the open lead and/or short lead test fail, check all wiring and junction boxes to make sure of continuity without shorts.

Testing the Water Sensor Portion l l l

Put just the end of the sensor into tap water. This should cause controller alarms or events associated with the water portion of the sensor.

Disconnect the water portion of the sensor. This should NOT cause an alarm condition.

Short this portion of the sensor. This should cause an alarm condition.

If the controller fails to detect alarm conditions simulated here, check that the thresholds programmed in the system are correct. A sensor or wiring fault will cause an alarm condition.


It might be necessary to periodically clean hydrocarbon contamination from the sensor from testing or actual use.

l l


Put the contaminated portion of the sensor fully into denatured alcohol for one (1) hour.

l l l


Let the sensor "settle" for one (1) hour.


NOTE: The sensor should return to nearly its original resistance, however, it might be necessary to readjust the controller’s thresholds.

30-0234-HW-01

Interstitial Hydrocarbon Liquid Sensor with Water Indicator

30-0234-HW-01

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Description

The Interstitial Hydrocarbon Liquid/Water Sensor is designed for use in the interstitial area of a fiberglass double-walled tank. The hydrocarbon liquid/water sensor uses a carbon/polymer material that changes its resistance when exposed to liquid hydrocarbons.

A conductive strip is also used to detect the presence of water. This functionality lets the sensor discern between hydrocarbon liquid and water.

In the event of a break in the cable, the system will activate the alarm.

Specifications


Dimensions:



Cable:



Connections:

-40°C to +70°C (-40°F to 158°F)

Length: 35 cm (13.8 in.), Width: 2.5 cm (1.0 in.)

1,000 – 3,000 ohms

10,000 – 200,000 ohms




Red = Power, Black = Signal, Shield: = Ground

NOTE: *Maximum Wiring Length is the maximum length of cable to be used to connect all sensors on an individual channel. This length includes run of cable from I.S. Barrier to each sensor board in the string.

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Installation




REMINDER: Hydrocarbons float on water. If the sensor is fully submerged in water, the polymer is unable to detect hydrocarbon liquid.

l l l l

This sensor requires ONE (1) Controller Interface Module position

Begin with the “Typical Installation" drawing



l l




Connections


Red

Black

Shield


Power

Signal

Ground

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Controller Setup l



Testing and Decontaminating the Interstitial Hydrocarbon Liquid Sensor with Water

Indicator


CAUTION:


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Testing the Hydrocarbon Liquid Sensor Portion l l l l l l




Disconnect the hydrocarbon portion of the sensor. This should cause an alarm condition.

Reconnect the hydrocarbon portion of the sensor and then short across the + (positive) and terminals. This should NOT cause an alarm condition.


Testing the Water Sensor Portion l l l

Put just the end of the sensor into tap water. This should cause controller alarms or events associated with the water portion of the sensor.

Disconnect the water portion of the sensor. This should NOT cause an alarm condition.

Reconnect the water sensor, and then short across the +12 and SIGNAL terminals. This should cause an alarm condition.

l


If the controller fails to detect alarm conditions simulated here, check that the thresholds programmed in the system are correct. A sensor or wiring fault will cause an alarm condition.


It might be necessary to periodically clean hydrocarbon contamination from the sensor from testing or actual use.

l


l l l l

Put the contaminated portion of the sensor fully into denatured alcohol for one (1) hour.


Let the sensor "settle" for one (1) hour.


NOTE: The sensor should return to nearly its original resistance, however, it might be necessary to readjust the controller’s thresholds.

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Interstitial Level Sensor – Smart Sensor Equipped with Intellisense

Technology

30-0230-S & 30-0231-S

Description

These two types of interstitial level sensors are used primarily in the interstitial area of a double walled tank.

The sensors have a float switch that activates in the presence of a liquid. The 30-0230-S is constructed from brass and the 30-0321-S is constructed from chemical resistant, non-metallic material.

These sensors can also be used in sumps, dispenser pans and other locations where the presence of a liquid could indicate that a leak has occurred. Combined with a vapor sensor, this interstitial sensor can be used to monitor wet wells to ensure that a liquid is normally present. In the event of a break in the cable the system will activate an alarm.

Specifications

Primary Use:

Alternate Use:

Detects:


Dimensions - 30-0230-S

30-0230-S: STP Sumps and Dispenser Pans

30-0231-S: Interstitial Area

30-0230-S: Steel Tank Interstitial

30-0231-S: Sumps and Dispenser Pans

Liquid

–20°C to +50°C (–4°F to +122°F)

Diameter: 1.4 inches (3.5cm), Length: 3.5 inches (9 cm)

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Specifications

Dimensions - 30-0231-S

Cable Requirements:





Connections:

Installation

Diameter: 1.3 inches (3.4cm), Length: 3.9 inches (10 cm)


4.5m (15 feet) of gas & oil resistant cable to inline ISIM + 1.3m (4 feet) ISIM tail.


Fully Automatic

0 - 0.5 (normal),

485 - 495 (in alarm)






CAUTION:

Ensure the cabling (gas and oil resistant FMS part # 12-1030) back to the controller is in conduit that is dedicated to intrinsically safe wiring.


l l l l l l l


Begin with the Connections table and “Typical Installation" drawing below.

Make sure the sump/pan is dry.

Position the sensor approximately 1/2” (1.3 cm) above the bottom of the sump/pan and secure the sensor wire to an existing pipe or bracket with a tie wrap.





Connections


Red





Power

Signal

Ground

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Controller Setup l

On the console, from the Home\Settings\Probe and Sensor screen the sensor should be Auto

Detected (see the console configuration manual). Alarm thresholds are configured automatically through the Intellisense mechanism between the sensor and the console.


CAUTION:



Doc. No.: M2010 Rev.: 3

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Place the float in the HIGH position. This should trigger a alarm in the controller.

l

Return the float to the LOW position and check that the controller is no longer in alarm.

Sensor installed in a normally wet well l l

Place the float in the LOW position. This should trigger an alarm in the controller.

Return the float to the HIGH position and check that the controller is no longer in alarm.

If the controller fails to go in to alarm, check that the thresholds programmed in the system are correct. Check the orientation of the float as described earlier. A sensor or wiring fault will trigger a system alarm. Check all wiring and junction boxes to ensure continuity without shorts.

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Single Level Sump Sensor – Smart Sensor Equipped with Intellisense

Technology

30-0231-L

Description

The single-level sensor is designed to detect the presence of liquid in sumps, dispenser pans and other locations where the presence of a liquid could indicate that a leak has occurred.. The sensor contains a float switch that activates in the presence of liquid. In the event of a break in the cable, the system will activate the alarm.

Specifications

Primary Use(s)

Detects


Dimensions:

Cable: Requirements


Sumps and Dispenser Pans

Liquid

-40°C to +70°C (-40°F to 158°F)

Diameter: 7.4 cm (2.90 inches), 9.5 cm (3.70 inches)




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Specifications





Connections:

Fully Automatic

0 to 5 (normal),

485 to 495 (in alarm)



NOTE: *Maximum Wiring Length is the maximum length of cable to be used to connect all sensors on an individual channel. This length includes run of cable from the console to each sensor board in the string.

Installation




CAUTION:



NOTE: If monitoring a normally dry well, use a meter to set the float so the sensor is in the closed state with NO liquid present (float in the lower position). If monitoring a normally wet well, use a meter to set the float so that it is in the closed state WITH liquid present (float in the upper position).

l l l l l



Make sure the sump/pan is dry.

Position the sensor on the bottom of the sump/pan and secure the sensor wire to an existing pipe or bracket with a tie wrap.


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Page 69 of 91 l l




Connections


Red





Power

Signal

Ground

Controller Setup l





CAUTION:


l

Invert the sensor and wait for at least 2 minutes.

Doc. No.: M2010 Rev.: 3

Page 70 of 91 l l

Check to see if the sensor has entered an alarm state.

Return the sensor to its normal position.

l

The alarm condition should stop.

If the controller fails to go in to alarm, check that the thresholds programmed in the system are correct. A sensor or wiring fault will cause an alarm condition. Check all wiring and junction boxes to make sure of continuity without shorts.

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Dual-Level Liquid Sump Sensor – Smart Sensor Equipped with IntelliSense

™

Technology

30-0232-D-10 & 30-0232-D-20

Description

IMPORTANT: This float body is identical to the 30-0232-D-10B & D-20B and 30-0232-DH-

10 & DH-20 (DH-XX has a carbon-polymer strip in the base). Check the label to make sure you are using the correct sensor for the intended purpose.

The dual level sump sensor is designed to detect the presence of liquid hydrocarbons and water in sumps, dispenser pans and other locations where the presence of a liquid could indicate that a leak has occurred.

This sensor is similar to the 30-0232-DH-XX but is NON-DISCRIMINATING (i.e. the sensor does NOT contain a carbon/polymer material to sense liquid hydrocarbons). The DH-10 is intended for use on dispenser pans and transition sumps, the DH-20 is intended for use in tank sumps. Dual float switches are incorporated into the body to detect low and high levels. In the event of a break in the cable, the system will activate the alarm.

Specifications

Primary Use(s):

Alternate Uses:

Detects:

D-10: Dispenser Pan/Sump

D-20: STP Sumps

D-10: STP Sumps

D-20: Dispenser Pan/Sump

Low Liquid, High Liquid, Fuel (non-discriminating)

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Specifications


D-10 Dimensions:

D-20 Dimensions:

Float Requirements:

Cable:





Connections:

-40°C to +70°C (-40°F to 158°F)







Fully Automatic

12 to 13 (normal),

3 to 4 (lower float in alarm - raised),

1 to 2 (upper and lower float in alarm - raised)




Installation






l l l l l



Make sure the sump/dispenser pan is dry.

Position the sensor so that it is touching the bottom of the sump/dispenser pan.


Doc. No.: M2010 Rev.: 3

Page 73 of 91 l l




l


Connections


Red





Power

Signal

Ground

Controller Setup l





Place the float in the high position. This should cause an alarm condition in the controller.

l

Return the float to the low position and check that the controller is no longer in alarm.

Sensor installed in a normally wet well

Doc. No.: M2010 Rev.: 3

Page 74 of 91 l l

Place the float in the low position. This should cause an alarm condition in the controller.

Return the float to the upper position and check that the controller is no longer in alarm.

If the controller fails to go in to alarm please check that the thresholds programmed in the system are correct.

Check the orientation of the float as described earlier. A sensor or wiring fault will trigger a system alarm.

Check all wiring and junction boxes to ensuring continuity without shorts.



CAUTION:


To test the hydrocarbon liquid portion of the sensor: l l

Immerse the polymer in Mineral Spirits and wait approximately 10 minutes.

Remove the sensor and let it hang in air for another 10 minutes.

l

Any controller alarms or events associated with the hydrocarbon portion of the sensor should have been triggered.

To test the water detector of the sensor: l l

Immerse the end of the sensor in TAP water for at least 2 mins.

Any controller alarms or events associated with the water detector portion of the sensor should have been triggered.

To clean the polymer of hydrocarbon contamination: l

Immerse the contaminated portion in Denatured Alcohol and leave for one (1) hour.

l l l


Let the sensor settle for one (1) hour.

The sensor should return close to its original resistance.

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Dual Float Brine Sensor

30-0232-D-10B and 30-0232-D-20B

Description

IMPORTANT: This float body is identical to the 30-0232-D10 & D20 and 30-0232-DH-10 &

DH-20. Check the label to make sure you are using the correct sensor for the intended purpose.

The dual-level reservoir sensor, either 10 inch (25cm) or 20 inch (50cm), is designed for use in the brinefilled reservoir of the interstitial area of a doubled-walled tank. This sensor contains a dual-level float switch that detects level changes of fluid in the reservoir of the tank. The sensor expects the liquid to be at a constant level midway between the upper and lower floats. The system will activate the alarm when the brine level in the interstitial space either rises or falls.

Since this sensor is not intended for detection of hydrocarbons it does not use a carbon/polymer strip.

No Carbon/Polymer Strip

Dual float switches are incorporated into the body that cause an alarm condition when low and high levels are detected. The bottom float of the brine sensor will remain in the up position in a normal condition. When in alarm, the sensor will have either triggered the upper float or the level has dropped below the bottom float.

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Cutaway View of Sensor Showing Internal Floats

Specifications

Primary Use:

Detects:


D-10B Dimensions:

D-20B Dimensions

Float Requirements:

Cable:



Diagnostic Reading on sensor setup:


Connections:

Measure level of brine solution

Low Liquid, High Liquid

-40°C to +70°C (-40°F to 158°F)







Fully Automatic

3 to 4 (normal),

12 to 13 (lower float in alarm - down, upper float - down),

1 to 2 (upper float in alarm - lower float up, upper float up)




Doc. No.: M2010 Rev.: 3

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Installation

NOTE: To ensure safe operating conditions this sensor has been designed to connect to





l l l l





l l




Connections


Red




Power

Signal

Ground

Doc. No.: M2010 Rev.: 3

Page 78 of 91


Controller Setup l





CAUTION:


Sensor installed in an interstitial monitoring reservoir l

Place the lower-float in the low position and the upper-float in the low position. This should cause a low-level alarm condition in the controller.

l l

Place the lower-float in the high position and the upper-float in the high position this should cause a high-level alarm condition in the controller.

Place the lower-float in the high position and the upper-float in the low position and check that the controller is no longer in alarm.

If the controller fails to go in to alarm check that the thresholds programmed in the system are correct. Check the orientation of the float as described earlier. A sensor or wiring fault will trigger a system alarm. Check all wiring and junction boxes to ensuring continuity without shorts.

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30-0235-V

Description

The hydrocarbon vapor sensor is designed to detect hydrocarbon vapors in monitoring wells and the interstitial areas of a double-walled tank. The presence of these vapors could indicate a potentially dangerous leak that could lead to safety and environmental problems. The sensor is made from a long-life resistive element that increases dramatically in resistance in the presence of hydrocarbon vapors. After the vapors have dissipated, the sensor returns to normal and is ready to detect hydrocarbon vapors again. In the event of a break in the cable, the system will activate the alarm.

Specifications

Primary Use:

Alternate Use(s):

Detects:


Dimensions:



Cable:

Monitoring wells

Interstitial areas of a double-walled tank

Hydrocarbon vapor

-40°C to +70°C (-40°F to 158°F)

Length: 8.9 cm (3.5”), Diameter: 2.3 cm (0.9”)

Uncontaminated: 3,000 - 5,000 ohms

Contaminated: 10,000 - 200,000 ohms


12 feet (3.6m) of gas & oil resistant cable to inline ISIM + 4 feet

(1.3m) ISIM tail.

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Specifications



Diagnostic Reading from Sensor Setup:


Connections:


Fully Automatic

0 to 1 (normal) above 5 (in-alarm)




Installation


CAUTION:



NOTE: If this sensor becomes fully immersed in water it will NOT be able to detect hydrocarbon vapor.

l l l l l l l l



Check Dry Monitoring Wells for vapors before installing.

Mount the sensor close to the top, above the water level, if applicable (if the sensor is submerged in water it will not function).






Connections


Red





Power

Signal

Ground

Doc. No.: M2010 Rev.: 3

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Controller Setup l



Testing the Hydrocarbon Vapor Sensor


CAUTION:


l l

Place the sensor in the air space of a container filled halfway with Mineral Spirits.

Wait approximately 10 minutes. This should cause an alarm condition in the controller.

Doc. No.: M2010 Rev.: 3

Page 82 of 91 l

If the controller fails to go into alarm, check that the thresholds programmed in the system are correct. A sensor or wiring fault will trigger a system alarm. Check all wiring and junction boxes to ensure continuity without shorts.

Cleaning the Hydrocarbon Vapor Sensor l l l

Put the sensor fully into Denatured Alcohol for one (1) hour.

Remove the sensor and let it set to dry for one (1) hour.

The sensor should return close to its original resistance (it may be necessary to re-adjust the controller’s thresholds)

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Appendix A: Model 924B Probe Part Numbers

Model 924B Probe Part Numbers

Probe Length

(inches)

Description

53

69

77

89

101

105

113

125

137

149

Mag Probe for 122 cm (4 feet) Diameter/Height Tank

Mag Probe for 152 cm (5.5 feet) Diameter/Height Tank




Mag Probe for 244 cm (8 feet) Diameter/Height Double-

Wall Tank


Wall Tank


Wall Tank


Wall Tank


Wall Tank

Length

(cm)

Part

Number

135

175

196

226

257

30-B053

30-B069

30-B077

30-B089

30-B101

267 30-B105

287

318

348

378

30-B113

30-B125

30-B137

30-B149

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Appendix B: Model 924B Probe Installation Records

Probe

Serial Number

Tank

Number

Product in Tank

Internal

Barrier #

Barrier

Position

(1-4)

(Number in Chain, if applicable 1-4)

Appendix C: Declaration of Conformity

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Doc. No.: M2010 Rev.: 3

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Appendix D: NWGLDE Evaluation

Certification

Leak Threshold

Applicability

Leak rate of 0.2 gph with PD = 98.18% and PFA = 1.82% using 924B probe with 2” dia float.

0.1 gph for leak rate of 0.2 gph using 924B probe with 2” dia floats. A tank system should not be declared tight if the test result indicates a loss or gain that equals or exceeds this threshold.

Gasoline, diesel, aviation fuel. Other liquids with known coefficients of expansion and density may be tested after consultation with the manufacturer.

Tank Capacity

Waiting Time

Test Period

Maximum of 20,000 gallons. Tank must be minimum 50% full for leak rate of 0.2 gph using 924B probe.

Minimum of 6 hours between delivery and testing using 924B probe. There must be no delivery during waiting time.

Average data collection time of 2 hours using 924B probe for leak rate of 0.2 gph. Test data are acquired and recorded by system's computer. There must be no dispensing or delivery during test.

Average for product is determined by a probe containing 5 thermistors.

Temperature

Water Sensor

Calibration

Minimum detectable water level that can be detected by the 2” dia float is 0.75 inch. Minimum detectable change in water level that can be detected by the 2” dia float is 0.080 inch.

Thermistors (or RTDs) and probe must be checked and, if necessary, calibrated in accordance with manufacturer's instructions.

Comments Not evaluated using manifolded tank systems. Therefore, this certification is only applicable when there is a probe used in each tank and the siphon is broken during testing.

Tests only portion of tank containing product. As product level is lowered, leak rate in a leaking tank decreases (due to lower head pressure).

Consistent testing at low levels could allow a leak to remain undetected.

EPA leak detection regulations require testing of the portion of the tank system which routinely contains product.

2012 console comparison with OPW iSite; which was based on 2-26-2008 evaluation of OPW iSite.

OPW Fuel Management Systems

6900 Santa Fe Dr. Hodgkins, IL60525-9909

Tel: (708) 485-4200

E-Mail: [email protected]

URL: www.opwfms.com

Evaluator: Ken Wilcox AssociatesTel:

(816) 443-2494

Date of Evaluation: 08/03/2013

Doc. No.: M2010 Rev.: 3

Page 87 of 91

FMS Glossary - Acronyms and Terms

A

ACR – Auto-Calibration and Reconciliation

API (Density Range) – American Petroleum Institute: An agency that governs the quality of fuel in the United

States.

API ID – Application Programming Interface: Specifies a set of functions or routines for a specific task or communication with a specific software component.

C

.cab – Cabinet File: A library of compressed files stored as a single file, used to organize installation files that are copied to a user's system.

.csv – Comma Separated Values file. This type of file can be opened in a spreadsheet, word processing application table or displayed in a web browser.

CTE – Coefficient of Thermal Expansion. A value used to determine product expansion based on temperature.

D

DEF - Diesel Exhaust Fluid

DHCP – Dynamic Host Configuration Protocol: To prevent the need to manually configure IP addresses and networking parameters, a computer will request these settings automatically from a DHCP server.

DMS – Density Measurement Sensor

DNS – Domain Name System

E

EMV – EuroPay, Mastercard and Visa (IC “chip and PIN card” ).

Ethernet – A family of computer networking technologies for local area networks (LANs) and metropolitan area networks(MANs).

F

FTDI – Future Technology Devices International: A company that develops devices and software for converting RS-232 transmissions to USB signals.

G

GUI – Graphical User Interface

H

Doc. No.: M2010 Rev.: 3

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I

HTML – Hypertext Markup Language: The main coding language used to create web pages and other information that can be displayed in a web browser.

IP Address – Internet Protocol Address: a numerical label given to each device (e.g., computer, printer) in a computer network that uses the Internet Protocol for communication.

I.S. – Intrinsically Safe: A protection technique for safe operation of electrical equipment in hazardous areas by limiting the energy available for ignition.

ISO – International Organization for Standardization. ISO/IEC 7812-1:2006 specifies a numbering system for the identification of issuers of cards that require an issuer identification number to operate in international, interindustry and/or intra-industry interchange.

L

LAN/WAN – Local Area Network/Wide Area Network: LAN interconnects computers in a limited area such as within a home, school, or office. WAN is a network that covers a broad area that links across metropolitan, regional, or national boundaries.

M

Manifold Group – A group of tanks connected in a series. When two or more tanks are physically connected (manifolded), a larger “tank group” is created. Groups are configured within the tank gauge system, so fuel movement is treated as a single entity.

N

NFPA – National Fire Protection Agency

O

OM4 Module – Output Module that lets up to four (4) output devices connect to a controller.

OML – Output Module Logic

P

Petro-Net™ – RS-485 (2-wire twisted pair) communication wires used to connect main components together.

POS – Point of Sale

Q

Q-RIM - Quad-Port Reconciliation Interface Module

R

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RTD – Resistance Temperature Detector: Sensors used to measure temperature by relating the resistance of the RTD element to temperature.

S

Safe Working Capacity – Automatically calculated to 95% of the tank’s capacity and usually used as an overfill level.

SD Card – Secure Digital memory card. Used for data storage and transfer from one computer or device to another.

SMS – Short Message Service: A service that lets mobile devices send and receive short text messages.

SMTP – Simple Mail Transfer Protocol: An Internet standard for electronic mail (Email) transmission.

.ssr – Singleshot Survey Raw Data: Used for data transfer to describe the .ssr file extension in use by software applications of FLEXIT.

Sticking – A manual measurement using a measuring stick to read the height of water in a tank.

STP – Submersible Turbine Pump

T

TCP/IP – Transmission Control Protocol/Internet Protocol

TLT – Timed Leak Test

U

Ullage – A calculation of the Safe Working Capacity minus the Product Volume.

UST – Underground Storage Tank

V

VNC – Virtual Network Computing: A graphical desktop sharing system that remotely controls another computer.

VR – Vapor Recovery system

W

Wi-Fi – a local area wireless technology that allows an electronic device to participate in computer networking

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Warranty

OPW Fuel Management Systems warrants that all OPW Tank Gauge and Petro Vend Fuel Control systems supplied by OPW Fuel Management Systems to the Original Purchaser will be free from defects in material and/or workmanship under normal use and service for a period of 12 months from the date of installation or 15 months from the date of shipment from OPW. Additionally, OPW Fuel Management Systems warrants that all upgrades and replacement parts (new and remanufactured) supplied by OPW Fuel Management Systems will be free from defects in material and workmanship under normal use and serviced for a period of 90 days from the date of installation or for the remainder of the system’s original warranty, whichever is greater, as set forth in the first sentence of this statement.

The foregoing warranties will not extend to goods subjected to misuse, neglect, accident, or improper installation or maintenance or which have been altered or repaired by anyone other than OPW Fuel Management Systems or its authorized representative. The buyer’s acceptance of delivery of the goods constitutes acceptance of the foregoing warranties and remedies, and all conditions and limitations thereof.

If a claim is made within the warranted time period that any equipment and/or remanufactured part is defective in material or workmanship under normal use and service, such equipment and/or remanufactured part shall be returned to OPW Fuel Management Systems, freight prepaid. If such equipment or remanufactured part is found by OPW Fuel

Management Systems in its sole judgment to be defective in material or workmanship under normal use and service,

OPW Fuel Management Systems shall, at its sole option, repair or replace such equipment and/or remanufactured part

(excluding, in all instances, fuses, ink cartridges, batteries, other consumable items, etc.) OPW Fuel Management

Systems shall not be held responsible for data loss or retrieval on returned products.

The warranties, as set forth above, are made expressly in lieu of all other warranties, either expressed or implied

(including, without limitation, warranties of merchantability and fitness for any particular purpose and of all other obligations or liabilities on OPW Fuel Management Systems’ part.) Further, OPW Fuel Management Systems neither assumes, nor authorizes any other person to assume for it, any other liability in connection with the sale of the systems, or any new/replacement part that has been subject to any damage from any act of nature or any force majeure. Any terms proposed by the Original Purchaser either orally or in writing are expressly rejected. The terms and conditions expressed in this document may only be changed upon the express written consent of OPW Fuel

Management Systems.

The term “Original Purchaser” as used in these warranties shall be deemed to mean the authorized OPW Fuel

Management Systems’ distributor to which the system or any new/replacement part was originally sold. These warranties may be assigned by the original purchaser to any of its customers who purchase any OPW Fuel

Management Systems’ systems or new/replacement parts. This document shall be governed by and construed in accordance with the law of the State of Illinois. OPW Fuel Management Systems and Original Purchaser agree that any legal action or proceeding under or with respect to this document may ONLY be brought in the courts of the State of

Illinois, or the United States District Court having jurisdiction in the City of Hodgkins, Illinois. Original Purchaser expressly consents to personal jurisdiction in any of the above-mentioned forums and agrees to waive all defenses based on improper venue or inconvenient form should an action be brought therein.

The sole liability of OPW Fuel Management Systems, for any breach of warranty, shall be as set forth above. OPW

Fuel Management Systems does not warrant against damage caused by accident, abuse, faulty or improper installation or operation. In no event shall manufacturer’s liability on any claim for damages arising out of the manufacture, sale, delivery or use of the goods exceed the original purchase price of the goods. In no event shall OPW

Fuel Management Systems be liable for any direct, indirect, incidental or consequential damage or loss of product.

TERMS

Ex-works our factory, Hodgkins, Illinois, USA

Installation not included.

All trade names are registered. Patents pending.

Subject to engineering improvement and/or other changes.

OPW SiteSentinel Nano Tank Gauge System Installation Guide

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