Coopers Variospeed MK5 V3 - ARM1 Alarm Connection; Single Smoke; Heat Detector

Document Version 1
September 2019
© 2019 Coopers Fire Ltd.
Page 11 of 29
6.2 ARM1 Alarm Connection
The ARM1 (Alarm Resistor Module) PCB needs to be fitted in series with the Alarm cable at the Fire Alarm
Interface end for the MK5 to detect and monitor the Alarm status. Note: All MK5 Version 3’s require this
module to be installed or the display will read ‘Alarm Shorted’.
6.3 Single Smoke / Heat Detector
8K28K2
ARM1
CN1
8K2
ARM1
CN1
WHITE
WHITE BROWN (1)
BLUE (2)
NORMALLY OPEN HELD
CLOSED, VOLT FREE
CONTACT - OPEN ON
ACTIVATION OR FAILSAFE.
AA
NORMALLY OPEN HELD
CLOSED, VOLT FREE
CONTACT - OPEN ON
ACTIVATION OR FAILSAFE.
A
CABLE TO CONTROL UNIT
(FITTED WITH 3 PIN CONNECTOR)
8K2
ARM1
CN1
WHITE
WHITE BROWN (1)
BLUE (2)
NORMALLY OPEN HELD
CLOSED, VOLT FREE
CONTACT - OPEN ON
ACTIVATION OR FAILSAFE.
A
CABLE TO CONTROL UNIT
(FITTED WITH 3 PIN CONNECTOR)