AKO -522014 Manual page 13

1.- Introduction
4-input optical and acoustic alarm station for help request luminous buttons, to be installed inside coldrooms.
Two of the inputs can be used by refrigerator gas detectors to be installed in the compressor room.
The system is powered by the 230 V~ mains supply and incorporates a battery that guarantees its operation in the
event of a power failure.
The unit constantly controls the connection state of the buttons and/or detectors, warning if this connection is
interrupted (wiring supervision function).
This unit complies with standards EN 378 1 and EN 378 3 for refrigeration systems.
2.- Versions and references
MODEL
AKO-522014 Alarm station + detector + button
Alarm station + detector + button
AKO-522024
AKO-522104
Gas detector for freon. Type A
AKO-52211
AKO-52212 Gas detector for freon. Type B
AKO-52062
AKO-522024
ALARMS AKO-522014
1
2
3
4
1 2 3 4
DETECTOR
R-134a, R-407C, R-410A, R-417A, R-409A, R-32
AKO-52211
R-404A, R-507A, R-22, R-23, R-422D, R-422A, R-434A,
AKO-52212
R-437A, R-408A, R-403B, R-124, R-407A
* The pre-alarm and alarm levels may slightly differ from the values shown in the table depending
on the detected type of gas.
DESCRIPTION
Alarm station
Luminous button
GASES IT DETECTS
13
DETECTOR INCLUDED
AKO-52211 (A)
AKO-52212 (B)
-
-
-
-
ALARMS
1
2
3
4
1 2 3 4
AKO-522104 AKO-52211
AKO-52212
PRE-ALARM
500 ppm*
POWER SUPPLY
90-260V~
50/60 Hz
-
-
AKO-52062
ALARM
1000 ppm*