Loop circuit connect END 1 only
&
Check with the installer and refer to the 'as Fitted Wiring Diagram' to ensure the cable run between Previous and Next Devices, at any point on the loop
circuit HAS NOT EXCEED 250m. If cable distance is exceeded then rectification action must be taken.
The following diagram shows how to connect loop devices. Ensure only Loop End-1 is connected at the panel and End-2 of the loop cable remains disconnected at the panel until successful allocation
of addresses to all the devices on the loop.
Commissioning instructions
18
4188-949 issue 3_05/10_Nano Comms inst.
Loop
circuit
c
onnect
END
1
only
L2
02
S device
(2-way)
3
01
L1
LC
0C
L1
01
S device
(3-way)
3
L2
02
Fire panel
Spur
circuit
S-Quad
Earth to
metal box
IN4
OUT5
C3
S-Quad
IN4
OUT5
C3
L1 0V
LOOP END 1
DRN
DRN L2 0V
LOOP END 2
Manual call point
MAIN CONTROL BOARD
0V
0V
L2
L1
3
4
IN1
2O
U
T
C