Siemens RDG20 KN Series User Manual

Functions
Control sequences
4
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4.7.10 Compressor applications
For compressor applications,
● Set the corresponding basic application as per Application overview [➙ 43].
● Disable the fan (P350) or set the type of fan speed (P351)
● Select the type of control outputs (On/Off, P201, P203, P204, P205)
The following applications are available:
Application for compressor
in DX-type equipment
Basic application
Section
Sequences
1-stage compressor
2-pipe
2-pipe fan coil unit [➙ 80]
H ( \ )
C ( / )
1-stage compressor with
reversing valve
2-pipe
2-pipe fan coil unit [➙ 80]
H + C ( \ / )
1-stage compressor and
electric heater
(cooling only: disable electric
heater via P027)
2-pipe with electric
heater
2-pipe fan coil unit with
electric heater [➙ 81]
El. H + H ( ↯\ \ )
El. H + C ( ↯\ /)
C ( / )
1-stage compressor
for heating and cooling
4-pipe
4-pipe fan coil unit [➙ 90]
H + C ( \ / )
2-stage compressor
2-stage heating or
cooling
2-pipe/2-stage heating or
cooling [➙ 86]
H + H ( \ / )
C + C ( / / )
Minimum On/Off time:
Fan operation:
Fan speed:
Control outputs On/Off:
Control outputs DC 0...10 V:
P212/P213 (only with On/Off control outputs)
P350 (0 = disabled, 1 = enabled)
P351 (1 = 1-speed, 2 = 3-speed,
3 = DC 0...10 V)
P201 = 4 (V1) P203 = 4 (V2) (DC 0…10 V fan
only)
P201 = 5 (V1) P203 = 5 (V2)
Note

Siemens RDG20 KN Series Specifications

General

Brand	Siemens
Model	RDG20 KN Series
Category	Thermostat
Language	English