MEDC LD15 - Manuel (Page 6)

WIRING DETAIL – RELAY INITIATE VERSIONS
When installed as a direct switching device, the operating mode can be set by means of a 3 way DIL switch
mounted on the underside of the electronics assembly. The switch settings for the various modes of operation are as
follows:
Mode No. SW1 SW2 SW3 Function
0 0 0 0 Off / Rmote switching
1 0 0 1 120 fpm
2 0 1 0 60 fpm (default)
3 0 1 1 80 fpm
4 1 0 0 Steady
5 1 0 1 Double flash
Note:
The default setting supplied by MEDC is 60 flashes per minute (0,1,0).
For the double flash function, the unit performs 40 double flashes per minute
The device can be configured for remote switching of the operating mode. The three way switch on the electronics
assembly must be set to off (0,0,0), then the operating mode can then be switched by closing one or more of the
control connections to the device. The combinations are as per the table above.
Warning Statements
i) Seal all conduit entries
ii) Fire Alarm Device do not paint
iii) To avoid electrostatic build up, clean enclosure exterior with a damp cloth
iv) Do not open when energized
v) Do not open when an explosive atmosphere may be present
vi) Not to be used as a visual public mode alarm notification appliance* applicable to UL version only
vii) Flameproof joint between cover and enclosure - threaded type with a minimum of five full thread
engagement for a minimum length of 10mm
Note: The steady function (1,0,0) is not available on ULC certified units.
01/15 © MEDC 2015