Commissioning and testing CET.ACEC compact controller
18 FläktGroup DC-2017-0104-GB 2018-05/R1 • Subject to change
SEL 0 Is used to select the correct parameter (see „Configuration parameters“ on page 18)
SEL 1 Is used to determine and change a parameter
SEL 2 & 3 If both keys are simultaneously pressed for longer than 5 seconds, one reaches the
"Parameter Setup Mode"
SEL 2 Is used in order to confirm a setting. If this key is pressed in the "Parameter Setup
Mode" for longer than 5 seconds, all settings are saved. In confirmation, LED 1 blinks
three times (green).
LED 1 If a setting in "Parameter Setup Mode'' was already available, this led lights up in green.
In case this setting is new, this LED lights up red.
LED 2 Fault signal filter or external error, if released
4.2.1 Configuration parameters
1
st
Level Parameter The following parameters can be adapted with the integrated keys as described in
Chapter 5.2.2 "Changing 1st Level Parameters".
SEL0 SWITCH
POSITION
PARAMETER No.
PARAMETER PARAMETER
DESCRIPTION
SEL 1
AUTO
SWITCH
POSITION
SEL 1
OFF
SWITCH
POSITION
SEL 1
1
SWITCH
POSITION
SEL 1
2
SWITCH
POSITION
SEL 1
3
10 1 COMFORT
SETPOINT
RANGE
Min. and max. values
for temperature set-
point
10 – 30 * 12 – 28 13 – 27 14 – 26 15 – 25
12 2 DEAD ZONE Determines the dead
zone for 4-pipe units
4°C *3°C 2°C 1°C 0°C
14 3 Unit type System type
2-pipe * 4-pipe Onla fan 2-pipe heating/
cooling with sec-
ondary output with
primary function
2-pipe heating/
cooling with sec-
ondary output with
secondary function
16 4 FAN Determines the opera-
tion of the fan in the
dead zone
Fan always switched on in
summer and winter operation
Fan switches off in
the dead zone –
summer and winter
operation *
OFF in cooling op-
eration – switched
ON in active heat-
ing operation
OFF in heating op-
eration – switched
ON in active cool-
ing operation
18 5 OUTPUT TYPE Determines the control
type for the output
1 – depends on type of
actuator
ON-OFF* PWM
20 6 WINDOW
CONTACT
Determines whether
the window contact is
normally open or nor-
mally closed
OPEN CONTACT
CONTACT = WINDOW
closed*
CONTACT
CLOSED = Win-
dow closed
CONTACT OPEN
= ALARM with
LED**
CONTACT
OPEN = ALARM
without LED**
22 7 ROOM flushing
FUNCTION
Activation or deactiva-
tion of the the room
flushing function
Deactivated* Enabled Disabled
24 8 WATER TEM-
PERATURE SEN-
SOR FUNCTION
Determines the func-
tion of the water tem-
perature sensor input
Summer / winter switch-over
with fan switching*
Summer/Winter
switch-over
Sensor not used
26 9 SUMMER/WIN-
TER SWITCH-
OVER
Determines the type of
switch-over between
summer and winter op-
eration
Central switch or NTC10 K wa-
ter temperature sensor*
from the compact
controller***
28 10 SENSOR
OFFSET
Used to adapt the mea-
surement of the room
temperature sensor
0* + 1k - 1k + 2k - 2k
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