Sinclair SDV 6 User & Installation Manual page 52

The one-to-more function must be set for the wired controller. After the
communication between the wired controller and IDU lasts 3 minutes and
30 seconds, the control can be implemented.
One-to-one
● Applicable to bi-directional communication between wired controller and
IDU.
● One-to-one: One wired controller controls one IDU. The parameters
displayed on the wired controller are updated in real time according to
changes in the parameters of the IDU.
● The permissible longest wiring length of the system is 200 m.
● Communication cables between the IDU and the wired controller (X1, X2)
may be connected in reverse order.
P/Q/E
X1/X2
One-to-one
P/Q/E
P/Q/E
X1/X2
One-to-one
49
P/Q/E
X1/X2
One-to-one
Fig.2