Products: OPW Tank Gauges
SiteSentinel® 2 FAQ

1. Can sensor and probe wires be run in the same conduit?
Yes, the SiteSentinel 2 is approved for the installation of probes and sensor wires to be installed in the same conduit.

2. What type of conduit should be used for probe and sensor wiring?
Ridge steel conduit must be used.

3. Can I connect an external alarm to the SiteSentinel 2?
Yes. You will need an Input/Output Module to control the external alarm.

4. How many external alarms does the I/O Module support?
The I/O module has twelve output relays and four inputs.

5. How many probes can a SiteSeninel 2 control?
The Site Sentinel 2 can support up to eight smart modules. Since each Smart Module supports up to sixteen probes, the SiteSentinel 2 can potentially control as many as 128 probes.

6. What is the SiteSentinel 2 software version that supports the I/O module?
A controller software version of 1.08 or later is required to use the I/O module.

7. Can I connect an external modem to the SiteSentinel 2?
Yes, but you will need a PV250 Terminal Board Part# R20-0227and a Communication Cable, part number 20-1311.

8. How can I tell when the battery on the PV235 controller board needs to be replaced?
On the PV235 board located just above the battery is a green LED and a red LED. If the red LED is "on" replace the battery.

9. I forgot my password for the SiteSentinel 2– what should I do?
Go to the main menu and choose number 1. When the password is highlighted press the ? and then press the Enter button. Two lines of numbers will appear. Write them down and call the OPW Fuel Management Systems Technical Service Department so a technician can decode the numbers and tell you what your password is. The Technical Service Department phone number is: 708-485-4200.

10. How can I get my report to print instead of viewing it on the graphic display?
On the Main Menu enter your password. Select Report and then select Report Output Setup. Select Change Output Setup to Printer and now your reports will be sent there instead of the graphics display.

11. What are the minimum requirements to run a leak test?
The tank must be at least 50% full and no fuel should have been added at least twelve hours prior to beginning the test. No deliveries or withdrawals can occur during the test and the test duration must be at least two hours. The leak threshold must be between .05-.1 gal/hr (.2- .4 liters/hr).

12. Does the SiteSentinel 2 have a continuous leak test mode?
No. The tank must be shut down for a minimum of 2 hours.

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