Operation manual
4
RX(Y)Q5~1 RXYQ8~18 RXYSQ4~6P7V3B
VRVIII and VRVIII-S system air conditioner
4PW28160-1A
6.2.
Program dry operation
■
The function of this program is to decrease the humidity in your
room with minimal temperature decrease (minimal room
cooling).
■
The micro computer automatically determines temperature and
fan speed (cannot be set by the remote controller).
■
The system does not go into operation if the room temperature
is low (<20°C).
For systems without cool/heat changeover remote control
switch
1
Press the operation mode selector button several times and
select
(program dry operation).
2
Press the on/off button.
The operation lamp lights up and the system starts operation.
3
Press the air flow direction adjust button. (Only for Double-flow,
Multi-flow, Corner, Ceiling-suspended and Wall-mounted.) Refer
to
"6.3. Adjusting the air flow direction" on page 4
for details.
Stopping the system
4
Press the on/off button once again.
The operation lamp goes off and the system stops operation.
For systems with cool/heat changeover remote control switch
1
Select cooling operation mode with the cool/heat changeover
remote control switch.
2
Press the operation mode selector button several times and
select
(program dry operation).
3
Press the on/off button.
The operation lamp lights up and the system starts operation.
4
Press the air flow direction adjust button. (Only for Double-flow,
Multi-flow, Corner, Ceiling-suspended and Wall-mounted.) Refer
to
"6.3. Adjusting the air flow direction" on page 4
for details.
Stopping the system
5
Press the on/off button once again.
The operation lamp goes off and the system stops operation.
6.3.
Adjusting the air flow direction
Refer to the operation manual of the remote controller.
Movement of the air flow flap
For the following conditions, a micro computer controls the air flow
direction which may be different from the display.
The air flow direction can be adjusted in one of the following ways.
■
The air flow flap itself adjusts its position.
■
The air flow direction can be fixed by the user.
■
Automatic "
" and desired position "
".
6.4.
Setting the master remote controller
When the system is installed as shown in
, it is necessary to
designate one of the remote controllers as the master remote
controller.
■
Only the master remote controller can select heating or cooling
operation.
■
The displays of slave remote controllers show
(change-
over under centralized 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
1
Press the operation mode selector button of the current master
remote controller for 4 seconds.
The display showing
(change-over under centralized
control) of all slave remote controllers connected to the same
outdoor unit or BS unit flash.
2
Press the operation mode selector button of the controller that
you wish to designate as the master remote controller. Then
designation is completed. This remote controller is designated
as the master remote controller and the display showing
(change-over under centralized control) vanishes.
The displays of other remote controllers show
(change-
over under centralized control).
NOTE
Do not turn off power immediately after the unit stops,
but wait for at least 5 minutes.
NOTE
Do not turn off power immediately after the unit stops,
but wait for at least 5 minutes.
A
Double-flow + Multi-flow units
B
Corner units
C
Ceiling-suspended units
D
Wall-mounted units
COOLING
HEATING
• When the room temperature is lower than
the set temperature.
• When starting operation.
• When the room temperature is higher than
the set temperature.
• At defrost operation.
• When operating continuously at horizontal air flow direction.
• When continuous operation with downward air flow is performed at the time of cooling with a
ceiling-suspended or a wall-mounted unit, the microcomputer may control the flow direction,
and then the remote control indication also will change.
NOTE
■
The movable limit of the flap is changeable.
Contact your dealer for details. (Only for Double-
flow, Multi-flow, Corner, Ceiling-suspended and
Wall-mounted.)
■
Avoid operating in the horizontal direction
"
". It may cause dew or dust to settle on the
ceiling.
