Siemens RDG20 KN Series User Manual

Functions
Control parameters
4
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Parameter
Name
Factory setting
Range
RDG20..
RDG26..
Dependencies
Expert level
Inputs
P150
Input X1
RDG2..KN: 0...14
RDG2..T: 0...6 & 9...14
P150:1
P153:
RDG2..KN: 0
RDG2..T: 2
P155:
RDG200KN,
RDG260KN,
RDG200T,
RDG260T: 3
RDG204KN &
RDG264KN: 0
0 = --- (no function)
1 = Room / return temperature
2 = H/C changeover
10)
3 = Window contact (DI)
4 = Dewpoint (DI)
5 = Enable electric heater (DI)
6 = Fault input (DI)
7 = Monitor input (DI)
8 = Monitor input temp. (AI)
9 = Supply air temperature (AI)
10 = Presence detector (DI)
10)
11 = External temperature limit (AI)
12 = Coil flow temperature (AI)
13 = Hotel presence detector / card reader (DI)
10)
14 = Coil return temperature (AI)
✓
✓
M
✓
✓
✓
✓
✓
✓
M
✓
✓
M
✓
✓
✓
M
✓
✓
✓
✓
✓
✓
M
✓
✓
M
✓
P153:
P150,
P155
P155:
P150,
P153
P258
P153
Input X2
RDG2..KN: 0...14
RDG2..T: 0...6 & 9...14
P155
Input U1 (RDG200KN&RDG260KN)
Input and output U1
(RDG204KN&RDG264KN)
RDG2..KN: 0...14
Input X3 (RDG2..T): 0...6 & 9...14
P151
X1: Normal position and sensor
0 when DI or
AI/DI
2 when AI
0 = Normally Open
1 = Normally Close
2 = NTC-3K
3 = LG-Ni1000
✓
✓
P151:
P150
P154:
P153
P156:
P155
P154
X2: Normal position and sensor
P156
U1 (RDG2..KN): Normal position and
sensor
X3 (RDG2..T): Normal position and
sensor
Outputs
P200
Number of heating / cooling sequences
Note: for 2-/4-pipe 2-stage application
1
1 = heating 2 sequences, cooling 2 sequences
2 = heating 2 sequences, cooling 1 sequence
3 = heating 1 sequence, cooling 2 sequences
✓
✓
d01
P201
RDG20..: Output Y1 (and Y3 for 3-pos)
RDG26..: Output Y10 (DC) or Q1 (2-
pos)
RDG20..: 4
RDG26..: 5 (6
when
application type
is 4-pipe with 6-
port ball valve)
1 = 3-position
✓
‒
‒
2 = On/Off (3 wires)
✓
‒
‒
3 = PWM
✓
‒
‒
4 = On/Off
✓
✓
‒
5 = DC
‒
✓
‒
6 = 6-port valve (DC 0…10 V)
‒
✓
Appl
7 = 6-port valve (DC 2…10 V)
‒
✓
Appl
8 = Inverse signal, 6-port valve (DC 10…0 V)
‒
✓
Appl
9 = Inverse signal 6-port valve (DC 10…2 V)
‒
✓
Appl
10 = 6-port valve (DC 0... 10 V) 3
rd
part
‒
✓
Appl
11 = 6-port valve (DC 2... 10 V) 3
rd
part
‒
✓
Appl
P203
RDG20..: Output Y2 (and Y4 for 3-pos)
RDG26..: Output Y20 (DC) or Q2 (2-
pos)
RDG20..: 4
RDG26..: 5
1 = 3-position
✓
‒
‒
2 = On/Off (3 wires)
✓
‒
‒
3 = PWM
✓
‒
‒
4 = On/Off
✓
✓
‒
5 = DC
‒
✓
‒
P204
RDG20..: Output Y3
RDG26..: Output Y30 (DC)
RDG20..: 4
RDG26..: 5
3 = PWM
✓
‒
‒
4 = On/Off
✓
✓
‒
5 = DC
‒
✓
‒
P205
RDG20xKN: Output Y4
RDG26xKN: Output U1
Note: for 4-pipe 2-stage application
RDG20..KN: 4
RDG26..KN: 5
3 = PWM
✓
‒
d01
4 = On/Off
✓
‒
d01
5 = DC
‒
✓
d01
P206
5)
PWM algorithm cycle Y1
1200 s
20…3600 s
✓
‒
P206:
P201
P207:
P203
P208:
P204
P209:
P205
P207
5)
PWM algorithm cycle Y2
P208
5)
PWM algorithm cycle Y3
P209
5)
PWM algorithm cycle Y4 (RDG2..KN)
P210
On time minimum PWM output
5 %
1…20 %
✓
‒
‒
P211
Off time minimum PWM output
P212
On time minimum 2-pos output
1 min
1…20 min
✓
✓
P400,
P401,
P402
P213
Off time minimum 2-pos output

Siemens RDG20 KN Series Specifications

General

Brand	Siemens
Model	RDG20 KN Series
Category	Thermostat
Language	English