User`s manual

7 English
3-2 SETTING THE MASTER REMOTE CONTROL-
LER (Refer to Fig. 6)
• When the system is installed as shown bellow it is neces-
sary to designate one of the remote controllers as the mas-
ter remote controller.
• Only the master remote controller can select cooling, heat-
ing, or automatic operation (the last only on simultaneous
cooling/heating systems).
• The displays of slave remote controllers show “”
(changeover under control) and they automatically follow the
operation mode directed by the master remote controller.
However, it is possible to changeover to program dry with slave
remote controllers if the system is in cooling operation set by the
master remote controller.
HOW TO DESIGNATE THE MASTER REMOTE CONTROLLER
Press the operation mode selector button of the current
master remote controller for 4 seconds.
The display showing“” (changeover under
controll) of all slave remote controllers connected to the
same outdoor unit or BS unit flashes on.
•“ ” flashes when the power is first turned on.
• The ventilation mode can be changed regardless of the set-
ting (main or slave).
NOTE
• This unit cannot control room temperature. If the unit is con-
nected to the same system with other indoor units, set the
master remote controller on the other indoor units.
Press the operation mode selector button of the control-
ler that you wish to designate as the master remote con-
troller. Then designation is completed. This remote
controller is designated as the master remote controller
and the display showing “” (changeover
under control) vanishes.
The displays of other remote controller show
“” (changeover under control)
Press the operation mode selector button on the master
remote controller (i.e. a remote controller which does not
display “”) to scroll through the modes.The
display will scroll through “” – “” (only for simulta-
neous cooling/heating systems) – “” – “”.
The display on slave remote controllers will also change
automatically.
!
!!
!
Details and activity of operation
1. Setting the master remote controller (without the
“” display) to cooling/heating mode will make
slave remote controllers (with the “” display) to
follow to the mode of the master remote controller.
• Selection of fan mode is possible, however.
2. Setting the master remote controller (without the
“” display) to fan mode will make slave remote
controllers (with the “” display) any setting other
than fan mode impossible
3-3 PROGRAMMING START AND STOP OF THE
SYSTEM WITH TIMER (Refer to figure 7)
• The timer is operated in the following two ways.
Programming the stop time “”. The system stops
operating after the set time has elapsed.
Programming the start time “”. The system starts
operating after the set time has elapsed.
• The start and the stop time can be simultaneously pro-
grammed.
Press the timer mode start/stop button “” several
times and select the mode on the display.
• For setting the timer stop
“”
• For setting the timer start “”
Each time the button is pushed, the indication changes
as shown below.
(Cooling/heating selection operation systems)
When multiple indoor units
or this unit are connected to
a single outdoor unit.
One of these remote controllers can be
designated as the master remote
controller.
Indoor unit
HRV-with DX coil-
(Simultaneous cooling/heating systems)
If multiple indoor units or many
of this unit are connected to
outdoor unit via BS unit.
BS unit
HRV
-with DX coil-
One of these remote controllers can be
designated as the master remote
controller.
Indoor unit
BS unit:
This is the unit which
selects cooling and
heating.
1
C
OPTION
NOT
H
2
3
1
“No indication”
“”
“”
3P130767-1_En.fm Page 7 Wednesday, December 17, 2003 7:39 PM