of them should be in control.
Caution
When the heating/cooling sensors BT74 have been connected and
activated in menu 5.4, no other sensor can be selected in menu 1.9.5.
set pt value cool/heat sensor
Caution
This setting option only appears if a room sensor for cooling/heating
is installed and activated in VVM 225.
Here you can set at which indoor temperature VVM 225 is to shift between
heating respectively cooling operation.
heat at room under temp.
Caution
This setting option only appears if a room temperature sensor is con-
nected to VVM 225 and has been activated.
Here you can set how far the room temperature can drop below the desired
temperature before VVM 225 switches to heating operation.
cool at room over temp.
Caution
This setting option only appears if a room temperature sensor is con-
nected to VVM 225 and has been activated.
Here you can set how high the room temperature can increase above the desired
temperature before VVM 225 switches to cooling operation.
larm rumsgivare kyla
This is where you set whether VVM 225 is to initiate an alarm if the room sensor
is disconnected or breaks during cooling operation.
start active cooling
NIBE VVM 225
Chapter 3 | VVM 225 – at your service
42
