User Manual

Application examples
Output configuration Load input,
start condition
A B C D
Modulating load input with
switching command outputs
Number of
stages or
aggregates
4
1
Start
Run priority
changeover
(Example 1) A+B+C+D a d d d d No
Description:
Supply air temperature control with direct evaporator (4 different-sized compressors).
Plant diagram
AI
DI
AO
DO
3123S64
T
1 kW
2 kW
4 kW
8 kW
1
2
3
4
4x
Function diagram (not to dimensions)
0 %
X
P
B
A
C
D
3123D36
Q
100 %
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Configuration diagram
CD
C D
X
Rotary
step switch 1
Main menu > Extra configuration > Aggregates > Rotary step switch > Rotary step switch
1…2 >
Configuration
Operating line Setting
Type Binary
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Siemens Switching and monitoring device RMS705B CE1P3124en
Building Technologies Aggregates 01.04.2010