User and Installation Manual
ALPHA 16 - 248 GBR
Conventional Modular Fire Alarm
Control Panel
Document :
MUALPHA16248GB
Index
: A
Date
: 26/03/07
Page
: 4/49
1- Alpha 16 - 248 PANEL DATA SHEET
GENERAL SPECIFICATIONS:
SYSTEM NAME
ALPHA 16 - 248
CONSTRUCTION CHARACTERISTICS
In accordance with EN 54-2 (panel) and EN 54-4 (power supply group)
EXTERNAL ENVIRONMENTAL
CONDITIONS
-5
°
C
±
3
°
C .... 40
°
C
±
2
°
C, humidity max 93% not condensed.
BOX
Metal painted with epoxy resin dust paint, degree of protection IP30,
dimensions: H420 x L500 x P210.
NOMINAL SYSTEM POWER VOLTAGE
230 V +10%/-15% ~ 50 Hz
MAXIMUM ABSORBED CURRENT
< 300 mA.
SYSTEM OPERATING VOLTAGE
min. 20,5V= max 30V=.
INTERNAL POWER SUPPLY GROUP:
MAIN POWER SUPPLY:
INPUT VOLTAGE
230 V +10%/-15% ~ 50 Hz
SAFETY TRANSFORMER
70VA.
TYPE
Switching PWM with mains safety transformer.
NOMINAL OUTPUT VOLTAGE
27.5V (at 20
°
C, with batteries disconnected).
The output voltage is stabilized and balanced out in temperature, in
accordance with the features of battery recharging.
VOLTAGE RIPPLE
< 100 mV PP
CURRENT AVAILABLE FOR
1.2A.
PANEL + EXTERNAL LOADS
Í
NOTE:
To guarantee autonomous working for 24h when there is no
mains power (battery power) refer to the consumption data listed in the next
section.
MIN/MAX OUTPUT VOLTAGE
min=21V max=28.5V (output voltage available in different operating modes
for powering panel, external loads and battery recharge).
STAND-BY POWER SUPPLY:
TYPE
2 Pb type sealed batteries YUASA NP17-12 of 12V 17Ah.
CURRENT AVAILABLE FOR
700mA at 24V nominal .
PANEL + EXTERNAL LOADS
(max. current available for panel and external loads to guarantee autonomy
WITHOUT MAIN POWER SUPPLY
for 24h)
DURATION RECHARGING PERIOD
24h for 80%, 48h for 100% of nominal capacity.
RECOMMENDED REPLACEMENT
3 years.
PERIOD
POWER SUPPLY GROUP INPUT
Battery test control input. Usually kept at ground. If on, it starts lowering the
voltage and leads to the batteries coming on, allowing them to be tested.
