RXYCQ8~20A7Y1B
VRV Classic System air conditioner
4P327539-1 — 2012.08
Operation manual
3
3.
W
HAT
TO
DO
BEFORE
OPERATION
This operation manual is for the following systems with standard
control. Before initiating operation, contact your dealer for the
operation that corresponds to your system type and mark.
If your installation has a customized control system, ask your dealer
for the operation that corresponds to your system.
Outdoor units
(See figure 1)
Names and functions of parts
(See figure 1)
(
figure 1
shows systems with changeover remote control switches.)
4.
R
EMOTE
CONTROLLER
Refer to the operation manual of the remote controller.
5.
C
HANGEOVER
SWITCH
: N
AME
AND
FUNCTION
OF
EACH
SWITCH
(See figure 2)
1
FAN ONLY/AIR CONDITIONING SELECTOR SWITCH
Set the switch to
for fan only operation or to
for heating or
cooling operation.
2
COOL/HEAT CHANGEOVER SWITCH
Set the switch to
for cooling or to
for heating operation.
6.
O
PERATION
RANGE
Operation range
Use the system in the following temperature and humidity ranges for
safe and effective operation.
7.
O
PERATION
PROCEDURE
■
Operation procedure varies according to the combination of
outdoor unit and remote controller. Read
"3. What to do before
operation" on page 3
.
■
To protect the unit, turn on the main power switch 6 hours before
operation.
■
If the main power supply is turned off during operation, operation
will restart automatically after the power turns back on again.
7.1.
Cooling, heating, fan only, and automatic
operation
(See
figure 5
and
figure 6.1
)
■
Changeover cannot be made with a remote controller whose
display shows
(change-over under centralized control).
■
When the display
(change-over under centralized control)
flashes, refer to
"7.4. Setting the master remote controller" on
page 5
.
■
The fan may keep on running for about 1 minute after the
heating operation stops.
■
The air flow rate may adjust itself depending on the room
temperature or the fan may stop immediately. This is not a
malfunction.
For systems without cool/heat changeover remote control
switch
(See figure 5)
1
Press the operation mode selector button several times and
select the operation mode of your choice.
2
Press the on/off button.
The operation lamp lights up and the system starts operation.
For systems with cool/heat changeover remote control switch
1
Select operation mode with the cool/heat changeover remote
control switch as follows:
2
Press the on/off button.
The operation lamp lights up and the system starts operation.
Adjustment
For programming temperature, fan speed and air flow direction, refer
to the operation manual of the remote controller.
Stopping the system
3
Press the on/off button once again.
The operation lamp goes off and the system stops operation.
Cool/heat
changeover
remote control
switch
Operation modes
Heat pumps
RXYCQ
series
❏
yes
❏
no
1
Outdoor unit
2
Indoor unit
3
Remote controller
4
Inlet air
5
Outlet air
6
Cool/heat changeover remote control switch
Outdoor temperature
–5~43°C DB
–20~21°C DB
–20~15.5°C WB
Indoor temperature
21~32°C DB
15~27°C DB
14~25°C WB
Indoor humidity
≤
80%
(*)
(*)
to avoid condensation and water dripping out the unit.
If the temperature or the humidity is beyond these conditions, safety devices may
work and the air conditioner may not operate.
Cooling operation
Heating operation
Fan only operation
Cooling operation (
figure 6.1
)
Heating operation (
figure 6.2
)
Fan only operation (
figure 6.3
)
NOTE
Do not turn off power immediately after the unit stops,
but wait for at least 5 minutes.
Summary of Contents for RXYCQ8A7Y1B
Page 11: ......
