industrie technik evolution AHU-XXXSX1 series, User Manual

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Parameter Logic
019
=18
Extraction filter
alarm contact
020
=
0 1
No extraction filter alarm
Extraction filter alarm
019
=19
Stop all
alarm contact
020
=
0 1
No stop all alarm
Stop all alarm
019
=20
Fan alarm
contact
020
=
0 1
No fan alarm
Fan alarm
019
=21
Frost protection
heat exchanger
alarm contact
020
=
0 1
No frost protection heat exchanger
Frost protection heat exchanger alarm
For configurations
019
=8 to 21, the analogue input 1 is used as a digital input. The contact is considered closed if it is
short-circuited at the analogue input. The contact is considered open if there is no connection.
2. Analogue input 2 ( AI2 ):
Parameter Logic
021
=0
Sensor not used
021
=1
Remote regulation
sensor
The AI2 sensor is used together with the internal sensor to obtain the final room regulation
temperature according to the parameter
106
(see “8. Control sensors” page 16
:
021
=2
Supply sensor
The AI2 sensor is used as a limit sensor for fixed-point regulation with limits (
125
and/or
127
not equal to 0), or as a regulation sensor for the valves (
001
=1), or as a regulation sensor in
the cascade regulation (
014
=2).
021
=3
External sensor
The AI2 sensor is used for the compensation (
130
not equal to 0)
021
=4
Frost protection
heat exchanger
sensor
The AI2 sensor is used as a frost protection heat exchanger sensor
021
=5 to 7 Not selectable by the AI2 sensor
021
=8
Remote season
change contact
022
=
0 1
Summer
Winter
021
=9
Remote on/off
contact
022
=
0 1
On
Off
021
=10
Non-occupied/
holiday remote
contact
022
=
0 1
“Non-occupied holiday” mode
“Occupied” mode
021
=11
Energy savings
remote contact
022
=
0 1
No economy/boost mode
Economy/boost mode
021
=12
Forced presence
contact
022
=
0 1
No forced presence
Forced presence