Hitachi airCore 700 - Page 27

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INSTALLATION & MAINTENANCE MANUAL
(1) Common Zone Setup
Sets whether a common zone is used. A common zone is one that does not have a damper or
damper motor installed and whenever the air conditioning system is operated, this zone is always
on.
Layout 1 (With common zone)
Indoor Unit
Outlet
Outlet
Outlet
Outlet
Outlet
Outlet
Outlet
Zone 1
Zone 2
Zone 3
Common
Zone
Figure7.1 Zoning Application with Common Zone
Layout 2 (Without common zone)
All the zones are installed with electrical dampers, and can be opened or closed freely.
Indoor Unit
Outlet
Outlet
Outlet
Outlet
Outlet
Outlet
Outlet
Zone
1
Zone
2
Zone
3
Zone
4
Figure7.2 Zoning Application without Common Zone
NOTE:
•
When "common zone setup" is not set, " " are displayed for other setting items and they cannot
be set.