Engineering

Control Devices EDUS181520C
574 Options
You can freely combine the central controllers within the limitation of the following number of each controller;
1
~
4 units of central remote controllers, one unit of schedule timer and 1
~
16 units of unified ON/OFF controllers.
However, the maximum number of the indoor units to be controlled is 128 units for one system in any
combination of the central controllers.

Connection Pattern for Optional Controller for Centralized Control
The maximum number of indoor units is based on one unit in each zone and is also under the double central
control system.
5.8.2 Electric Wiring
Combination of 1 Central Remote Controller, 1 Schedule Timer, 3 Unified ON/OFF Controllers
Central Remote Controller
DCS302C71
Unified ON/OFF Controllers DCS301C71 Schedule Timer DST301BA61
1~4
——
1~16
—
1
—1