Siemens Synco 200 Basic Documentation page 107

Controller 2, basic type
A; controllers 1+2,
basic type U
Example of chilled ceiling
(absolute variable)
Siemens
Building Technologies
9.3.7 Settings
Path: ... > SET
Display Name
SET MAX Economy
setpoint high
SET MAX Comfort setpoint
high
SET MAX Comfort setpoint
low
SET MAX Economy
setpoint low
9.3.8 Application examples
The universal controller is able to control to an absolute variable or differential
variable. In the case of differential control, the variable to be controlled is the
following:
Main controlled variable (MAIN) minus variable at the differential input (DIFF)
Typical application examples of both control strategies:
Basic heating plant, outside temperature-dependent flow temperature control
•
(without room influence), thermostatic radiator valves
Differential pressure control
•
The chilled ceiling's flow temperature is controlled to an absolute value:
AI
T
M
DO
AO
Universal Controllers RLU2...
Controller (CTLOOP x)
Range Factory setting
Main controlled 28 °C, 80 %, 100, 1000
variable input range
Main controlled 24 °C, 60 %, 60, 600
variable input range
Main controlled 21 °C, 40 %, 0, 0
variable input range
Main controlled 19 °C, 20 %, 0, 0
variable input range
X1
LABEL
TEMP
Y Y
x
x
SHIFT LIM
CTLOOP 1
y p y p
y2 x p2
PUMP 1
AO 1
1
Q1
x x
SEQLIM
1
y p Q
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CE1P3101en
29.08.2008