Swegon GLOBAL PX Operation And Maintenance Instructions page 41

8.2 TYPE 2: ALARM ON THE PRESSURE VARIATION
- Conditions:
• Mode airflow control or demand control. Unit must have forward fans or backward fans with kit CA.
• External pressostat connected on IN2 input
- Causes:
• Pressure alarm setup in airflow control or demand control mode
• External pressostat connected on IN2 input has triggered
- Effects:
P.10
P.20
S.40
AL1 relay
/
* unless the status has been changed in advanced setup
Operation and maintenance instructions – v2.8.8 & 2.7.3
Displayed on HMI
Text displayed
Pressure alarm - Supply air
Pressure alarm - Extract air
Pressure variation too great
TAC5 control board
O.R.1 LED ALARM
Closed
Auto reset: yes
LED AF
ON
LED ALARM
/
Fans
/ Run*
LED Pa
RED
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