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Airflow Alarm Kit
13
EN
3.3 Main parts
See figure 1. The Airflow alarm kit consists of:
1. Airflow Alarm - Control box.
2. Pressure switch. Available as a standard model, and an ATEX approved
model for zone 2/22.
3. Protection filter.
4. Rubber fitting.
5. Flashlight (optional).
6. Cable gland (optional).
3.3.1 Airflow Alarm - Control box
See figure 2. The Airflow Alarm contains a terminal block that includes
connections to:
1. 85-230 VAC power supply (Phase 1). Signal in from fan to activate
monitoring.
2. 85-230 VAC power supply (Phase 2). Power in to Airflow Alarm.
3. External connection to central surveillance (Optional).
4. Pressure switch.
5. External Airflow Alarm devices such as a flashlight.
NOTE!
Drill an extra hole and install a cable gland if the Control box is to be
directly connected to both a flashlight and to central surveillance. See figure
1(6).
3.4 Technical data
Part Description
Supply PSU1
85 - 230V AC, 50-60Hz, max. 13A Fuse
Supply PSU2
85 - 230V AC, 50-60Hz, max. 13A Fuse
Pressure switch External contact must be below 100 Ohm
12 V DC out alarm 12 V DC maximum 200 mA
Alarm relay Maximum 8A AC1 250 VAC
9V battery 6LR61, non rechargeable
Fuse 5 x 20 T500mA
Dimensions 120 mm x 170 mm x 60 mm
Operating temperature 0 - 50
°
C
IP Class Control box IP54
IP Class Pressure Switch Standard IP54
IP Class Pressure Switch ATEX IP65, ATEX model approved for zone 2/22.