User Manual

Functions
Control sequences
4
74 | 146 A6V11545892_en--_a
Application Comfort mode Economy/Protection mode
Heating Cooling Heating Cooling
2-pipe
2-pipe with
electric heater
2-pipe with
radiator
2-pipe/
2-stage
heating or
cooling
1)
If P027 = ON
W = setpoint in Comfort mode
W
HeatEco/Prot
= setpoint heating in Economy or Protection mode
W
CoolEco/Prot
= setpoint cooling in Economy or Protection mode
YR = radiator sequence
YE = electric heater sequence
On 4-pipe applications, the Comfort setpoint (w) is in the middle of the dead zone,
between the heating and cooling sequence.
The dead zone can be adjusted via P055.
If manual changeover is selected, then either the cooling sequence or the heating
sequence is released. In this case, the Comfort setpoint is at the selected heating
or cooling sequence.
4-pipe applications