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ENGLISH
FUNCTION OF
REFRIGERANT SYSTEM
DISPLAY (Fig. 10)
The following information becomes available by
utilizing this function.
●
Indoor group connected with the same outdoor unit
●
Indoor group with the master remote controller
setting of the given refrigerant system
1
Press the ZONE/GROUP
CHANGEOVER BUTTON, and call up
the display “group” if the display of
zoning appears.
Unless operated from within one minute from
when the display of zoning appears, the display
will automatically revert back to the “group”
display.
2
Press the BUTTON FOR RE-
FRIGERANT SYSTEM DISPLAY. The
display “ ” appears.
3
Press the ADVANCE/ BACK-
WARD BUTTON to call up the group
of which you wish to check the
refrigerant system.
The display “
” of all the
groups sharing the same
refrigerant system as the
group on display flashes.
Then, the display
“
” of the particular group among them with the
master remote controller setting flashes. Repeat the
procedure 3 if you wish to check other refrigerant
systems as well.
The above example shows that the groups 1-00, 1-03,
1-05, 1-06, 1-07, 2-03 and 2-04 share the same
refrigerant system, and also that the master remote
controller is provided with group 1-03.
4
Press the BUTTON FOR RE-
FRIGERANT SYSTEM DISPLAY
again. The display “ ” goes out.
The refrigerant system display is
finished now.
NOTES
●
Unless operated from within one minute from
when the refrigerant system display, the display
will automatically revert back to the “group”
display.
●
This function may not be available depending on
the type of outdoor unit with which the unit is
connected. In this case, the display “ ”
flashes.
DISPLAY OF TIME TO
CLEAN (Fig. 11)
This central remote controller displays the time to
clean the air filter or air cleaner element for each
group or any given group by utilizing two types of
signs. The display “
” tells the time to clean
the air filter or the air cleaner element of some group.
1
Press the ADVANCE/ BACK-
WARD BUTTON, and search the
groups displaying “
” or “
”
(The group may be plural.)
Clean or change the air filter or air cleaner
element.
For further details, see the operation manual
attached to each indoor unit. (Clean or change
the air filter or air cleaner element of all the
groups displaying “
” or “
”.)
2
Press the FILTER SIGN RESET
BUTTON, and the display “
”
disappears. (Including all the
groups where the air filter has been
cleaned.)
NOTE
Be sure to check the display “
” has
disappeared at this point. The appearance of the
above display is a sign that the air filter or air cleaner
element of some group still needs cleaning.
REF.
CIRCUIT
1
2
3
00 01 02 03 04 05 06 07
07
09 10 11 12 13 14 15
REF.
CIRCUIT
REF.
CIRCUIT