Basic Documentation

Table Of Contents
Functions
Control sequences
4
36 | 66
A6V12114068_en--_c
Application for chilled/heated ceiling,
radiator
Set basic
application
Section
Sequences
Chilled/heated ceiling with changeover
2-pipe
2-pipe fan coil unit [ 32]
H ( \ )
C ( / )
Chilled/heated ceiling and electric heater
(cooling only: disable electric heater via
P13)
(RDF660MB only)
2-pipe with
electric heater
2-pipe fan coil unit with electric
heater (RDF660MB only) [➙ 33]
El H + H (\
\ )
El H + C ( \
/ )
C ( / )
Chilled ceiling and radiator
4-pipe
4-pipe fan coil unit [ 35]
H + C ( \ / )
Application for compressor
Set basic
application
Section
Sequences
1-stage compressor for heating or cooling
2-pipe
2-pipe fan coil unit [ 32]
H ( \ )
C ( / )
1-stage compressor and electric heater
(for cooling only: disable electric heater via
P13)
(RDF660MB only)
2-pipe with
electric heater
2-pipe fan coil unit with
electric heater (RDF660MB
only) [ 33]
El. H + H ( \ \
)
El. H + C ( \
/)
C ( / )
1-stage compressor
for heating and cooling
4-pipe
4-pipe fan coil unit [ 35]
H + C ( \ / )
Minimum On/Off time:
Fan operation:
Fan speed:
P48/P49
P52 (0 = disabled, 1 = enabled)
P53 (3 = DC 0...10 V (ECM fan))
Note