Installing Adhw Storage Tank Sanit (Optional ); Anti-Legionella Function (With Hot Water Tank Only) - Trianco TRO Evolution System Series Installation And Operating Instructions Manual

4.6.- Installing a DHW storage tank Sanit (Optional)
The procedure for suitably connecting a Sanit DHW tank to the TRO Evolution System boiler is
as follows:
- Unplug the boiler from the mains.
- Connect a DHW temperature sensor (supplied optionally) to sensor terminal strip J3
(terminals 16 and 17), first removing the resistance (Ra) supplied by default (see
"Electrical Connection Diagram").
- Insert the temperature sensor bulb in the bulb-holder sheath provided on the hot water
tank.
- Connect the hot water tank feed pump to the supply terminal strip J2 (BV; terminals N
and 5) see "Electrical Connection Diagram").
For correct hydraulic installation, carefully follow the assembly and connection instructions
enclosed with the hot water tank.

4.7.- Anti-legionella function (with hot water tank only)

The TRO Evolution System boiler allows the activation of the legionella prevention function for
The TRO Evolution System boiler with a Sanit hot water tank installed has a legionella
prevention function that can be enabled for the domestic hot water in the tank.
This function must be activated by sufficiently qualified personnel. The function is enabled by
changing the boiler model selectors on the display card inside the control panel.
Before carrying out any work on the inside of the boiler, unplug it from the mains. To activate
the anti-legionella function, remove the top cover of the boiler then remove the lid of the
control panel box using a screwdriver to remove the two screws holding it in place. When this
cover has been removed, the electronic circuit board of the display, containing the
programming switches, can be accessed.
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