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System Controller
Display
F
B
G
E
K
D
I
A
3
A:
When the unit is in heating standby mode, the
B:
The currently selected operation mode is displayed.
C:
The currently selected FAN SPEED, Airfl ow Direction and SWEEP settings are displayed.
D:
This indication appears when the fi lter needs cleaning.
E:
This indication appears only when an abnormality occurs within a unit.
F:
The currently selected mode (ALL, ZONE or GROUP), ZONE number and GROUP number are
displayed.
GROUP number display (no figure: no number registered)
GROUP state display (
group)
Operation state display (
G:
The currently selected central control mode (1, 2, 3 or 4) is displayed.
H:
Lights when any of the air conditioners under the system control is operating; turns off when
none of the air conditioners under the system control is operating. Blinks when any conditioner
is operating under abnormal conditions and its protection function is working.
I:
When the
button is pressed for more than 4 seconds, the TEST indicator appears.
J:
This indication appears when the temperature is set.
K:
When turning on the power switch of the system controller,
While blinking, any controls using the system controller are inhibited. This is because the system
controller is verifying connected groups.
Description
indicator appears.
: registered group,
: on, no sign: off,
.
H
C
J
: currently selected
: alarm)
sign blinks for a few minutes.
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