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Multi V Wall-Mounted Indoor Unit
Due to our policy of continuous product innovation, some specifications may change without notification.
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Indoor Unit Control Configurations
The method and configuration of controlling indoor units will vary according to system requirements, and the indoor unit(s) installed. The next
few pages show examples of typical control configurations.
Group Control - Method 1
Controls up to 16 indoor units with one wired remote controller (group control). In group control, it is possible to use the following functions
(depending on the indoor unit):
• Operation selection, stop or mode
• Temperature settings and room temperature check
• Current time change
• Airow rate (high, middle, low)
• Reservation settings
• Set only one indoor unit in a group to master; set the others to slave. If master / slave(s) are not set properly in a group application, a
malfunction will occur.
• All types of indoor units can be congured in a Group Control - Method 1 conguration.
• A wireless remote controller can be used at the same time as a wired controller.
• A dry contact and central controller can be connected at the same time (to a master indoor unit only).
• A central controller can control all indoor units in a group by controlling the master unit of the group.
• Slave indoor units cannot be individually controlled by the central controller.
• If an error occurs at an indoor unit, the error code is displayed at the wired remote controller. Indoor units not in error can still be controlled.
To Select MASTER:
No. 3: Off
To Select SLAVE:
No. 3: On
Figure 100: Indoor Unit Master / Slave DIP Switch Settings.
DIP Switch Settings
See the next pages for group control configurations. If the indoor
unit is a master, set switch 3 of the indoor unit’s DIP switch to Off. If
the indoor unit is a slave, set switch 3 of the indoor unit’s DIP switch
to On. (See figures at right.)
• Some indoor units do not have a DIP switch bank on the PCB. It is possible to set these units as master or slave with a wireless controller.
Refer to the wireless controller manual for information.
CONTROLS SETUP
DIP Switch Settings
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