Dry Mode
Preparation
•
For equipment protection purposes, apply power to the outdoor units at least 6 hours
before starting the operation of the system.
•
The dry mode may not be selected if the remote controller is master controlled and the
system is not already in the cooling mode of operation (see the following section).
•
In case of changing the operation mode by the Cool/Heat selector, set it to cooling
operation mode.
•
The system can now be controlled from the remote controller.
Cool/Heat Mode Selection Availability
•
“Cool”, “Heat” and “Auto” are all only available for selection on the COOL/HEAT changeover master indoor unit. The following
table indicates the available operating modes of the other indoor units on the system based upon the selected mode of the
master indoor unit.
When the master indoor
unit is set to
The other indoor units in the system can be set to
Cool
Dry
Heat
Fan
Cool mode
Dry mode
Heat mode
Fan mode
Auto mode (Cooling operation)
Auto mode (Heating operation)
Precautions for Selecting the COOL/HEAT Changeover Master Indoor Unit
•
The COOL/HEAT changeover master must be set for a single indoor unit in the following applications.
(3-Pipe Heat Recovery System)
A number of indoor units are connected
to a single Branch Selector unit.
Set any one of the indoor units as the
cool/heat changeover master.
Branch Selector unit:
The Branch Selector unit is used for
cooling or heat mode selection.
Indoor units
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