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Outdoor unit No.1
1
1
1
1
1
1
1
1
At time of shipment At time of shipment
System address
No. of indoor units
No. of outdoor units
Unit No.
On-site setting On-site setting
Not necessary
Not necessary
Not necessary
The W-2WAY ECO-i is a system that allows multiple outdoor units to be connected. The outdoor units all contain
inverter compressors, and the system does not utilize the sub units that were used in earlier systems.
The outdoor unit where the unit No. is set to “1” includes the CCU (command controller unit) functions that are
used to control the entire system. As a result, the system will not operate if no outdoor unit has been set as unit
No. “1.”
Required settings for Test Run
Outdoor unit No. 2
Unit No. 2
Unit No. 1
1 ~ 3 units
1 ~ 40 units
System 1 ~ 30
This system can be expanded to connect a maximum of 3 outdoor units. (The max. system capacity shall be within
24 Ton.)
The CCU functions are disabled at all units except the unit that is set as unit No. 1. Therefore no problems will
result even if the system address, No. of indoor units, and No. of outdoor units settings are made at the other units.
However, making these settings may be convenient for manual backup operation, as it eliminates the necessity of
making the settings again if unit No. 1 fails.
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1. Introduction
W-2WAY ECO-i SYSTEM
Control Functions