Connection To The Fence - Nemtek MERLIN 4 Installer Manual

MERLIN 4
OPTION 1: NO EARTH LOOP MONITORING
Bridge the earth OUT to earth RETURN. The unit will now function as per the
old version WIZORD.
230VAC
MAINS
Earth spike at minimum 1m depth,
and not within 2m of any other
electrical earth connections
OPTION 2: EARTH LOOP MONITORING; GOOD SOIL EARTHING
OUT
RET
RET
OUT
OPTION 3: EARTH LOOP MONITORING; POOR SOIL EARTHING
OUT
RET
RET
OUT
OUT
EARTH
RETURN

Connection To The Fence

FENCE
E N C E
T O F
TO FENCE
This earth wire
is not coupled to
the fence earth
at any other
point
6