Hitachi airCore 700 Operation Installation Maintenance Manual page 32

7. Electrical Wiring
7. Refrigerant cycle No. setting (DSW5)
These switches set the refrigerant cycle number and need to be made only when connecting multiple
systems together via H-Link (e.g. central control)
8. Fuse recover (DSW7)
* No setting is required. Setting positions
before shipment are all OFF.
NOTICE
•
The "■" mark indicates the positions of DIP switches. The figures show settings before shipment.
•
When the unit no. and the refrigerant cycle no. are set, record them to facilitate maintenance and
servicing activities in the future.
•
Turn OFF all the power supplies of the indoor and outdoor units before DIP switch setting. Otherwise,
the setting is invalid.
DSW5 Refrigerant system setting
ON
OFF
6
1 2 3 4 5
Before delivery, DSW5 is set to "0",
a maximum of 64 indoor units can
be connected.
ON
OFF
1 2
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