SystemAir PKI-C EI120S, Manual, Page: 52 / 63

9
Scheme of connecting the central unit BKSE 24-6 to control unit BKNE 230-24
1- upholding clasp
2- description (zone)
3- description (damper)
4- LED diode red (failure)
5- Button PRG
6- LED diode yellow(damper position: OPENED)
7- LED diode yellow (damper position: CLOSED)
8- Button SET/ INIT
9- Screwing terminals
Technical data BKSE 24-6
Nominal voltage AC24V 50/60 Hz
Power consumption AC19.2 – 28.8 V
For wire sizing 5.5 VA (lmax. 6.4A @ 2.5 ms)
Control signals
• Input 1 (Priority 1)
- extract smoke link terminals 10-12
- cease smoke extraction link terminals 10-11
- Auto input open (basic position)
- signal duration tmin = 1 s
- input impedance R(terminals10-11) = 66 kohm; R(terminals10-12) = 66 kohm
• Input 2 (Priority 2) terminals 8 + 9 (isolated from input 1)
- input level DC U(high) = DC 18...30 V; U(low) < DC 12 V
- input current DC I = 5 +-0.5 mA
- input level AC U(high) = AC 16...30 V; U(low) < AC 8 V
- input current AC I = 2.5 +-0.5 mA
- signal duration tmin = 0.5 s
Connections terminals for wire 2 x 1.5 mm
2
Conductor lengths
- 2 wire conductor a/b max. 600 m (wire 0.75 mm
2
)
- control input max. 600 m (wire 0.75 mm
2
)
Recommended cable fire alarm signal cable 2 x 0.8 mm
2
Type JE-H (St) Bd FE 180/E30-E90
Auxiliary contacts AC24V@ 0.5 A
Protection class III safety extra - low voltage
Degree of protection IP20
Mode of operation type 1 (EN 60730)
EMV low-voltage directive CE according to 89/336/EWG, 92/31/EWG, 93/68/EWG
Maintenance maintenance-free
Weight 160 g