User manual
TVS user manual Servicing and maintaining your TVS
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5. Press Up or Down to change the no to yes and then press Select.
The TVS updates its firmware. During the update, the display is blank and the control beeps.
When the update is complete, the display shows ---- for a couple seconds and then shows the
ambient temperature.
6. Remove the TVS Updater.
7. Verify that the control functions properly.
8. Replace the cover and then tighten the four screws.
To update the firmware using the “power off” method
1. Loosen the four screws in the TVS enclosure and then gently remove the cover. Make sure not
to disconnect the ribbon cable.
2. Insert the TVS Updater into the connector marked SAVER on the inside top-left of the cover.
3. Switch off the power to the TVS for at least five seconds.
4. Switch on the power to the TVS.
The TVS updates its firmware. During the update, the display is blank and the control beeps.
When the update is complete, the display shows ---- for a couple seconds and then shows the
ambient temperature.
5. Remove the TVS Updater.
6. Verify that the control functions properly.
7. Replace the cover and then tighten the four screws.
Servicing the control
Servicing and maintaining your TVS will extend the life of the control and your equipment.
Before installing or servicing your TVS, switch OFF the power at the source.










