40
1.30.3 Myzone
-
Wiring connection to Hitachi units
Unit Make
Connection
Hitachi
1.
Connect a shielded, 2 core, twisted pair control cable from the CM225 / CM325H to the
A / B terminals and earth in the in the fan coil unit. (This cable is supplied by the installer).
Polarity is not critical see Fig (H) for correct connection.
Fig (H) - Hitachi indoor fan coil unit terminals
L1
Indoor Unit
L2
N
Mp
A B
1
2
To Myzone CM325
Shielded Twisted Pair cable
(Supplied by the Installer)
0.75mm
2
. This cable does
not need any polarity. Do not
apply voltage to this cable.
