PAGE - 4 Installation and operating manual UDS-3
NOTIFIER ITALIA Doc. M-205.1-UDS3N-ENG Rev A.1 UDS-3_manu
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Environmental conditions
Operating temperature: - 5° C / + 40° C.
Relative humidity: 10% - 93% (without condensate).
Storing temperature: -10°C / +50°C
UDS-3 Power
The control panel is powered by mains and, when missing, it can still work thanks to inside fitted batteries.
Mains characteristics are:
Voltage: single phase 230Vac +10% / -15%
Frequency: 50 / 60 Hz
Current: 0.7 Aac
Protection fuse 2A – FAST (F1 fuse)
N.B.: special care must be taken when installing near electromagnetic powerful sources (ex.
repeaters, radio links, engines etc.)
Power supply unit
Power supply unit has the following outputs:
27.6 Vdc + 2 % - 10 % 1.25 A ripple max. 300 mV (controlled power for user output, external loads) with
1,35A protection fuse self-restorable (F11 fuse)
27.6 Vdc / 0,45 A: Battery charges for backup batteries with 2,5A protection fuse self-restorable (F3 fuse)
Battery charger section
Output voltage: 27,6 Vdc
Output current: 0,45A ~ 100 mVpp max (temperature compensation=
Number of batteries that can be connected: 2 * 12 V, 7Ah
Yuasa battery NP7-12 or NP7-12FR (UL94) Faston type – Capacity (20hr) = 12 V 7 Ah –
Dimensions = 151(w) x 65 (d) x 98 (h).
Fiamm battery FG20721 o FGV20721 (UL94) Faston type - Capacity (20hr) = 12 V 7.2 Ah –
Dimensions = 151(w) x 65 (d) x 98 (h).
Battery-charger section has the following thresholds:
Low-battery: 21.5 Vdc
Unbalanced charge threshold: 3,4 Vdc (difference between the two batteries)
Charged-battery threshold: 20 Vdc
Quiet current consumption from battery without 230 Vac mains: 100mA without external loads and display
off
Quiet current consumption from battery without 230 Vac mains: 130mA without external loads and display
on
Current consumption from battery without 230 Vac mains and with one alarmed zone: 220mA with
discharge on and without external loads and display on
Current consumption from battery without 230 Vac mains and with two alarmed zones: 300mA with
discharge on and without external loads and display on
Dimensions
N.B.: All quotes in pictures are shown in millimetres.
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