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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.
For the RXYRQ outdoor series, if the indoor unit is SA or RA, then
refer to the operation manual included with the indoor unit for more
information.
Outdoor units
(See figure 1)
Heat pumps RXYSQ series
Names and functions of parts
1
Outdoor unit
2
Indoor unit
3
Remote controller
4
Inlet air
5
Outlet air
6
Cool/heat changeover remote control switch
7
BS (branch selector) unit
(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
FUNCTION OF EACH SWITCH
1
FAN ONLY/AIR CONDITIONING SELECTOR SWITCH
Set the switch to
for fan only operation or to
cooling operation.
2
COOL/HEAT CHANGEOVER SWITCH
Set the switch to
for cooling or to
6.
O
PERATION RANGE
Operation range
Use the system in the following temperature and humidity ranges for
safe and effective operation.
RXYSQ6TAV1B
VRV IV-S system air conditioner
4P482259-1 – 2017.03
Cool/heat
changeover
remote control
switch
Operation modes
❏ yes
❏ no
(See figure 1)
: N
AME AND
(See figure 2)
for heating or
for heating operation.
–5~46°C DB
Outdoor temperature
21~32°C DB
Indoor temperature
14~25°C WB
Indoor humidity
(*) Range for operation: –20~–15°C WB. Range for continuous operation:
–15~15.5°C WB.
(†) 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.
7.
O
PERATION PROCEDURE
I
Operation procedure varies according to the combination of
outdoor unit and remote controller. Read
operation" on page
3.
I
To protect the unit, turn on the main power switch 6 hours before
operation.
I
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 3
I
Changeover cannot be made with a remote controller whose
display shows
(change-over under centralized control).
I
When the display
flashes, refer to
"7.4. Setting the master remote controller" on
page
5.
I
Automatic operation can be selected only for REM(H)Q + REYQ
series.
I
RXHQ series let you select fan only and heating operation.
I
The fan may keep on running for about 1 minute after the
heating operation stops.
I
The air flow rate may adjust itself depending on the room
temperature or the fan may stop immediately. This is not a
malfunction.
RXYSQ6TA
–20~24°C DB
–20~15.5°C WB
15~27°C DB
≤80%
(†)
"3. What to do before
and
figure
4.1)
(change-over under centralized control)
Operation manual
(*)
3
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