TIP
If the room temperature is constantly too low/high,
you increase/decrease the value by one step in
menu 1.1.1.
If the room temperature changes when the out-
door temperature changes, you increase/decrease
the curve slope by one step in menu 1.30.1.
Wait 24 hours before making a new setting, so that
the room temperature has time to stabilise.
MENU 1.2 - VENTILATION
You make the settings for the ventilation in the installation
here. For example, you can adjust the fan speed and set
how frequently S735 will remind you of when air filters need
replacing.
MENU 1.2.1 - FAN SPEED
Alternatives: normal and speed 1 – speed 4
The ventilation in the accommodation can be temporarily
increased or reduced here.
When you have selected a new speed a clock starts a count
down. When the time has counted down the ventilation
speed returns to the normal setting.
If necessary, the different return times can be changed in
menu 1.2.5.
The fan speed is shown in brackets (in percent) after each
speed alternative.
TIP
If longer time changes are required, use the holiday
function, home/away mode or scheduling.
MENU 1.2.2 - NIGHT COOLING
Night cooling
Setting range: on/off
Start temp exhaust air
Setting range: 20 – 30 °C
Min. diff. ind. temp. - outd. temp.
Setting range: 3 – 10 °C
Night cooling during heating
Setting range: on/off
Here, you can activate night cooling. When the temperature
in the building is high, and the outdoor temperature is low,
a cooling effect can be obtained by forcing the ventilation.
When night cooling is activated, the fan runs at the speed
4.
Start temp exhaust air: Here, you set the exhaust air tem-
perature at which night cooling will start.
Min. diff. ind. temp. - outd. temp.: If the temperature differ-
ence is greater than the set value for "Min. diff. ind. temp. -
outd. temp.", and the exhaust air temperature is higher than
the set value for "Start temp exhaust air", the ventilation
operates at speed 4 until one of these conditions is no longer
valid.
Night cooling during heating: It is possible to have night
cooling during the time heating is permitted.
MENU 1.2.5 - FAN RETURN TIME
speed 1 – speed 4
Setting range: 1 – 24 h
Here, you select the return time for the temporary change
of ventilation speed (speed 1 – speed 4), regardless of
whether the speed has been changed in menu 1.2.1 - "Fan
speed", via the home screen or via myUplink.
Return time is the time it takes before the temporary ventil-
ation speed returns to normal speed.
MENU 1.2.6 - FILTER CLEANING INTERVAL
Months between filter cleaning
Setting range: 1 – 24 months
The filter in S735 is of a type that should not be cleaned, but
has to be replaced instead. Replacement must be performed
regularly, at least once a year. More frequent intervals may
be necessary, depending on the quantity of particles in the
air as well as other environmental factors. Test to find out
what is most appropriate for your installation.
Set the interval for the reminder in this menu.
The menu shows the time remaining until the next reminder,
and you can also reset active reminders.
MENU 1.3 - ROOM SENSOR SETTINGS
Here, you make your settings for room sensors and zones.
The room sensors are grouped by zone.
Here, you select the zone to which a sensor will belong. It is
possible to connect multiple room sensors to each zone.
Each room sensor can be given a unique name.
The control of heating, humidity and ventilation are activated
by checking each option. Which options are shown depends
on which type of sensor is installed. If control is not activ-
ated, the sensor will be the displaying sensor.
Caution
A slow heating system such as underfloor heating
may be inappropriate for controlling with room
sensors.
If there is more than one zone and/or climate system, the
settings are made for each zone/system.
NIBE S735Chapter 9 | Control - Menus40
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