Vimar 2905, Installer Manual

8

7. Operating mode

The thermostat 02905 is able to adjust the temperature according to the following operating modes:

• 

Switched off (OFF)

: switches the system off without making any adjustments

• 

Manual (ON)

: lets you set the required temperature set-point manually 

• 

 Away

: is a mode that lets you set the set-point in order to achieve significant energy savings during periods 

when the user is away 

•  

Nighttime reduction: 

 this mode, which can be activated locally, is useful for changing the manual adjust-

ment set point in the hours of nighttime operation.

• 

 Antifreeze

: used to set a minimum temperature level to avoid damage to pipework or prevent the temper-

ature from falling below a safety level.

In addition, if the multi-function input of the thermostat has been suitably configured, you can remotely activate 
the following modes: 
•  

Remote reduction

: conceptually similar to nighttime reduction, it acts on the comfort set point instead of 

the one set locally in manual mode.

• 

Remote activation

: lets you activate the system remotely by setting the comfort set point

• 

 Summer/Winter  switching

: the multi-function input automatically switches the thermostat onto air-condi-

tioning mode (when on) or heating mode (when off). 

The operating mode is selected via the SETTINGS menu (see chap. 9) or by using the shortcut buttons 
(see par. 7.3 and 7.4).

7.1  Switched off (OFF)

With this mode on, the thermostat is turned off and you cannot make any adjustments; in this case, the 

 icon is displayed above the temperature indicator. 

When the thermostat is OFF, you cannot perform any operations other than accessing the configuration 
menu. 

Fig. 8: Typical screen for OFF mode

For heating-only systems this mode is typically used in the summer.