Honeywell IQ8Control C Installation Instruction page 89

Wiring of the terminal card
1
2
3
monitoring
4
F1
5
MFABrelay
6
7
8
+
Fig. 78: Wiring of the terminal card
T he signal to enable the fire service key box (FDKB) is activated when the master box acknowledge signal
(terminal 8 = MFAB acknowledge) from the Fire Alarm Control Panel is detected.
O ptical displays of the master box
An activated master box can be identi
the Fire Alarm Control Panel. Intervening personnel such as the fire department have been notified.
If it has been impossible to activate a master box due to an event, possibly because the MFAB was switched
off, this is indicated on the control panel by the steadily lit red LED Notify fire department.
FB 798951.GB0 / 01.09
not use
MFAB reset (+12 V or +24 V / 300 mA)
primary loop to MFAB (+MFAB)
GND
unlock fire department box (switched to GND max. 300 mA)
MFAB
acknowiedgment
+UBext.
K
fire dept. key box
(schematic circuit diagram)
fied by a steadily lit red LED Main Detector (MFAB) on the control panel of
Fire Alarm Control Panel IQ8Control C/M
+ MFAB
supply
voltage
(schematic circuit diagram)
acknowiedgment
contact
FDKB
unlock
MFAB
K
89