16
6.12 CHARACTERISTICS CABLE
Couple of conductors twisted and shielded
Section of conductor 0.22mm
2
…0,35mm
2
Nominal capacity between conductors < 50 pF/m
nominal impedance 120
Ω
Recommended cable BELDEN 3105 A
6.10 RS 485 WITH MODBUS PROTOCOL
XC
GND
+
-
GND
+
-
UNIT 1
UNIT 3
- +
GND
UNIT 2
J6
6.11 SERIAL WITH LONWORKS PROTOCOL
6 - ELECTRICAL CONNECTIONS
XC
GND
+
-
GND
+
-
UNIT 1
UNIT 3
- +
GND
UNIT 2
J6
B A GND
For maintenance operations it is possible to remove
the thermostat from its base, wall installed, and
connect it to the base inside the unit electrical panel.
