4. Group Setting
!
Group and Zone
Group...........................................Minimum Unit for Operation of Central Station
One remote control switch group is considered as one group under the same
control.
The central station can control up to 64 groups (4 zones x 16 groups).
Zone ............................................Operation Unit with Plural Groups
Up to 16 groups as maximum can be set in one zone. The central station can
control up to 4 zones.
Remote Control Switch Group .....Unit of Plural Indoor Units (Max. 16 units) Connected with Transmission Line of
Remote Control Switch
In this group, the indoor units are under the same control setting.
Central
Station
Group
Zone
Without
Transmission
Line
Zone
Outdoor unit
Indoor unit
Remote
Control Switch
One remote control switch
group is considered as one group.
The remote control switch group
with one indoor unit is also
considered as one group.
As for the indoor unit without
remote control switch, one indoor
unit is considered as one group.
Group Group Group Group Group
When setting the remote control switch group without transmission line between indoor units, the indoor unit
connected with the remote control switch shall be set as master unit. If the setting of the master unit is wrong, the
group can not be controlled with the central station.
Refrigerant Cycle
on Connection
Check
SET TEMP.
GROUPZONE
GROUPZONE
MEDCOOL
GROUPZONE
GROUPZONE
Completion of
Connection Check
Number of Checked Indoor
Units Connected in Refrigerant
Cycle on Connection Check
In case of Less Than 16 Indoor
Units Connected.
(Set Automatically As of Zone 1)
In Case of More Than 17
Indoor Units Connected
!
Check for Connecting Condition of Air Conditioner
After completion of electrical wiring work and test running of the air conditioner, turn ON the power supply of the
central station. (Ensure to perform the test running of the air conditioner before turning ON the power supply of the
central station.)
In case that group setting is not performed, the indication of the central station is as shown below for checking
indoor unit connection after turning ON the power supply.
NOTES:
(1) The checked number of connected indoor units may be more than the actual number according to the condition
of transmission.
(2) During the connection check, the indications of group No. and setting temperature may be "- -" temporarily.
(3) When the "63" alarm is indicated, the setting of Hi-NET adaptive is wrong. Check for the setting of the central
station and other central controller used together.
HYJE-D02H
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