
Manual Euro-MERiDIAN
Chapter 11 Page 11 - 5
DOUBLE RESISTOR WIRING
This is suitable for all systems
installed to BS.4737, or to
EN.50131.
The 2K2 resistor MUST be
located at the furthest point on
the wiring circuit, or the wiring
security it provides will be lost
Resistor colour code:
2K2 – Red / Red / Red / Gold
4K7 – Yellow / Purple / Red / Gold
NORMALLY OPEN DETECTORS
should be connected in the same
way, with the ‘Normally Open’
attribute selected when
programming the zone.
AVAILABLE ON DELUXE KEYPADS
ONLY - NOT Standard Keypads.
NOTE: Issue 3·1 software (& later) can use
total of 3 detectors with separate 4K7 resistors
per circuit.
Peripheral devices (keypads, ZEMs, etc) must b
fitted with software 1·19 (or later)
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