Notifier Honeywell UDS-4N

UDS-4 Installation and user manual PAGE - 3
UDS-4_manu M--203.1-UDS4N-ENG Rev A.1 NOTIFIER ITALIA
Dimensions
Earthing system
The earthing system must be made in accordance with CEI and ISPELS standards and must in any case have a
resistance of less than 10 Ohm (measured at the well with the utilities disconnected). Connection of the earth cable to
the control unit is compulsory and must be made on terminal block CN1.
Degree of protection
IP30
Weight
5 Kg
2.1 - Terminal blocks
CN1
Num
Name
Description
1
Phase
F
Mains power supply 230Vac +15% -15% 50/60Hz
Protection towards electronics with 5x20 vertical fuse F2AL (F1)
2
Earth
PE
3
Neutral
N
CNL
Num
Name
Description
1
LA-
Loop A -
Analogue loop input with isolator
2
LA+
Loop A +
3
LB-
Loop B -
4
LB+
Loop B +
CNSE
Num
Name
Description
1
Lin+
Non-isolated serial line 485
2
GND
3
Lin-
Note: All dimensions in the
figure are in millimetres.