4.7.9 Chilled/heated ceiling and radiator applications
For chilled/heated ceiling and radiator applications
● Set the corresponding basic application see Application overview [➙ 42].
● Disable the fan (P350)
The following applications are available:
Application for
chilled/heated ceiling,
radiator
Chilled/heated ceiling
with changeover
2-pipe fan coil unit
[➙ 78]
Chilled/heated ceiling and
electric heater (cooling
only: disable electric
heater via P027)
2-pipe with electric
heater
2-pipe fan coil unit
with electric heater
[➙ 79]
El H + H (↯\ \ )
El H + C ( ↯\ / )
C ( / )
Chilled/heated ceiling and
radiator
2-pipe fan coil unit
with radiator or
floor heating
[➙ 81]
H + rad ( \ r\ )
Rad + C ( r\ / )
Chilled ceiling and
radiator
4-pipe fan coil unit
[➙ 88]
Chilled/heated ceiling, 2-
pipe/2-stage
2-pipe/2-stage heating
or cooling
2-pipe/2-stage
heating or cooling
[➙ 84]
H + H ( \ \ )
C + C ( / / )
Chilled/heated ceiling, 4-
pipe/2-stage
4-pipe/2-stage heating
and cooling
4-pipe/2-stage
heating and
cooling [➙ 86]
4.7.9.1 Chilled/heated ceiling with 6-port control ball valve
(RDG26..KN)
The RDG26..KN is able to control a 6-port control ball valve for a chilled and
heated ceiling application.
This application is available, if the thermostats are set as 4-pipe with 6-port ball
valve applications (DIP4 = ON, see Applications for universal systems [➙ 44]).
Only one signal DC 0…10V (Y10 output) is used to control the 6-port control ball
valve for heating and cooling.