22
| EN
SMARTY RV v2019.12
7.4.12. NIGHT COOLING FUNCTION
This function is designed to save energy in the morning, when a fresh night air is used to cool down the building. The function is active only in
! }&
• System time from function start to the end (hours/minutes);
• Time is exactly every hour from the start;
• If STAND-BY mode is set, the unit operates in
BUILDING PROTECTION
mode for 5 minutes so that the actual temperature data is available. The tem-
perature is checked after purging. If it is not suitable, the unit returns to STAND-BY mode;
• Outdoor temperature is higher than the set outdoor temperature;
• Exhaust air temperature is higher than the set temperature;
• Exhaust air temperature is higher than the outdoor temperature by at least 2 °C;
• Summer.
If all conditions are met the unit starts operating in
COMFORT
mode (without temperature maintaining). The main window shows that the Night cooling
: ! }&
• Time does not correspond to the start/end interval;
• Exhaust air temperature drops below the set temperature;
• Outdoor temperature drops below the set temperature;
• Mode other than
COMFORT
was switched or the unit has been shut down.
! -
tion.
_ "
ADJUSTER › USER SETTINGS › NIGHT COOLING FUNCTION
or in the window
USER › MENU › SETTINGS › NIGHT COOLINGS
.
7.4.13. CO
2
REDUCTION FUNCTION
This function is designed to maintain a proper quality of room air. To activate it the exhaust air CO
2
"-
ured in the service environment window
SERVICE › SENSORS
. When completed, the exhaust air CO
2
value is displayed in the section
MONITORING
.
In the service environment window
SERVICE › MAIN › CO
2
REDUCTION FUNCTION
J ! 4
2
level and allowable
limit; when it is exceeded (CO
2
set + allowable excess) CO
2
! ' : 4
2
reaches the
!
CO
2
protection is inactive in the stand-by and building protection modes.
7.4.14. FILTER PROTECTIONS
Filter Timer Settings
_ "
SERVICE › MAIN › AIR FILTERS PROTECTIONS
. The maximum setting is 1 year.
7.4.15. SYSTEM MODE COMMUNICATION WITH EXTERNAL CONTACTOR
This function activates the preferred system switching on by means of external contactor; it indicates what signal will be sent to input. Possible
&
• Not used;
• X " !
impulse – deactivated;
• J _
• PIR sensor. When the sensor is activated, the selected system mode is activated. If the signal is not received for 30 minutes, the mode is
activated.
Function is set in the service environment section
SERVICE › MAIN › SYSTEM MODE SWITCH
.
7.4.16. FAN SPEEDS FROM AN EXTERNAL SYSTEM CONTACTOR
This function is designed to activate/deactivate the boost ventilation function or preferred combination of fan speeds by means of an external
contactor.
The function indicates a type of a signal to be sent to the input and components controlled by it. Possible combinations of signal types and func-
&
• Not used
;
•
– selected fan speed combination is activated. Function is on when contactor is on;
• Button click – selected fan speed combination is activated. Function is activated when it receives an impulse. It is deactivated when it receives
the impulse again;
•
– Boost ventilation function is controlled. Function is on when contactor is on. If the boost ventilation function is not terminated by means
of this function within the boost ventilation time limit, force shutdown is used after the time expires;
• Button click – Boost ventilation function is controlled. Function is activated when it receives an impulse. It is deactivated when it receives the
impulse again;
• If the boost ventilation function is not terminated by means of this function within the boost ventilation time limit, force shutdown is used after
the time expires.
It is also indicated whether boost ventilation will be activated or combination of fan speeds is preferred, i.e. it is possible to indicate preferred supply
and extract air fan speeds individually.
Summary of Contents for SMARTY 2R VER
Page 1: ...SMARTY R V EN MOUNTING AND INSTALLATION INSTRUCTION...
Page 53: ...53 SMARTY RV v2019 12...
Page 54: ...54 SMARTY RV v2019 12...
Page 55: ...55 SMARTY RV v2019 12...