A.O. Smith Theta T Series Installation, User And Service Manual page 67

Installation-, User- and Service Manual
2.5.4 Legionella prevention
Legionella prevention is set in the controller of the water heater (see "Setting legionella
prevention" in the Instruction, User- and Service Manual of the water heater). When the
legionella prevention is switched on, the DHW-pump and the 3-way mixing valve in the
dual service system, will be activated via the Theta dual service module.
When the legionella prevention is activated, the following display will be activated.
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