19
NAMES AND FUNCTIONS OF THE
OPERATING SECTION (Fig. 1, 2)
UNIFIED OPERATION BUTTON
Press to operate all indoor units.
UNIFIED STOP BUTTON
Press to stop all indoor units.
OPERATION LAMP (RED)
Lit while any of the indoor units under control
is in operation.
“ ” DISPLAY (REFRIGERANT
SYSTEM DISPLAY)
The indication in the square is lit while the
refrigerant system is being displayed.
“
MONITOR
” DISPLAY (OPERATION
MONITOR)
The lamp is lit while operation is being
monitored.
“ ” DISPLAY (ZONE SETTING)
The lamp is lit while setting zones.
“ZONE” “GROUP” DISPLAY
(ZONE/GROUP)
Indicates the particular zone or group being
displayed.
GROUP NO. IN OPERATION
Each square displays the state corresponding
to each group.
“
” “
” “
” “
” “
”
“
” “
” “
” DISPLAY
(OPERATION MODE)
Displays operating state.
“
No.
” DISPLAY (TIME NO.)
Displays the operation timer No. when used in
conjunction with the schedule timer.
“
C
” DISPLAY (PRESET TEM-
PERATURE)
Displays the preset temperature.
“
CODE
No.
” DISPLAY (CONTROL
MODE)
Displays codes on how to control equipment
(ON/OFF control impossible by remote
controller, centralized, individual etc.).
Displays the No. of the particular unit that has
stopped due to malfunction.
“
” DISPLAY (MALFUNCTION
CODE)
Displays the contents of a malfunction. The
lamp flashes when a malfunction stops
operation. The contents of the current
malfunction are displayed in the inspection
mode.
“
TEST
” DISPLAY (INSPEC-
TION/TEST)
Press the inspection/test operation button.
Either the inspection or test lamp lights up.
“
” DISPLAY (CHANGE-
OVER UNDER CONTROL)
Cool/heat selection is not possible for either
the zone or the group where this particular
display appears.
“
HOST
” DISPLAY (UNDER
HOST COMPUTER INTEGRATED
CONTROL)
Setting is not possible while this display is
being displayed.
“
” DISPLAY (TIME TO
CLEAN)
Displayed to notify the user it is time to clean
the air filter or air cleaner element of a
particular group.
1
6
9
REF.
CIRCUIT
3
2
4
ZONE
SET
5
7
8
10
11
12
13
14
15
16
17
