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Heat Recovery series can not use the single unit. Use
the combination unit.
RQCYQ280~540PY1 and RQCEQ280~848PY13
are the combination unit that is composed of the sin-
gle units.
About the specifications see Single unit according
to the independent unit.
3. WHAT TO DO BEFORE OPERATION
This operation manual is for the following system
with standard control. Before initiating operation,
contact your Daikin dealer for the operation that cor-
responds to your system type and mark.
If your installation has a customized control system,
ask your Daikin dealer for the operation that corre-
sponds to your system.
Outdoor units (Refer to figure 1)
Cool/Heat selector
Inverter series
❏ yes ❏ no
"VRVIII-Q" series
• Names and functions of parts (Refer to figure
1.1 and 1.2)
1. Outdoor unit
2. Indoor unit
3. Remote controller
4. Inlet air
5. Outlet air
6. BS unit (RQCEQ only)
7. Cool/Heat selector
8. Refrigerant piping
(figure 1.1 shows Heat Pump system with Cool/Heat
selector)
(figure 1.2 shows Heat Recovery system with Cool/
Heat selector)
4. REMOTE CONTROLLER AND
COOL/HEAT SELECTOR: NAME
AND FUNCTION OF EACH
SWITCH AND DISPLAY
(Refer to figure 2 and 3)
1. On/off button
Press the button and the system will start. Press
the button again and the system will stop.
2. Operation lamp (red)
The lamp lights up during operation.
3. Display "
" (changeover under control)
It is impossible to changeover heat/cool with the
remote controller which display this icon.
Refer to the chapter "6-5 SETTING THE MAS-
TER REMOTE CONTROLLER".
English
4. Display "
Refer to the chapter "Operation procedure -
Adjusting the air flow direction".
5. Display "
This display shows that the ventilation unit are in
operation. (these are optional accessories)
6. Display "
This display shows the temperature you have set.
7. Display "
mode)
This display shows the current operation mode.
8. Display "
This display shows the programmed time of the
system start or stop.
9. Display "
When the inspection/test operation button is
pressed, the display shows the mode in which
the system actually is.
Operation modes
10.Display "
When this display shows, the system is under
centralized control. (This is not a standard spec-
ification.)
11.Display "
This display shows the fan speed you have
selected.
12.Display "
Refer to the operation manual of indoor unit.
13.Display "
Refer to the chapter "Operation procedure -
Explanation of heating operation."
14.Timer mode start/stop button
Refer to the chapter "Operation procedure -
Programming start and stop of the system with
timer."
15.Timer on/off button
Refer to the chapter "Operation procedure -
Programming start and stop of the system with timer."
16.Inspection/test operation button
This button is only used by qualified service
persons for maintenance purposes.
17.Programming time button
Use this button for setting the programming start
and/or stop time.
Refer to the chapter "6-4 PROGRAMMING
START AND STOP OF THE SYSTEM WITH
TIMER".
18.Temperature setting button
Use this button for setting the desired temperature.
19.Filter sign reset button
Refer to the operation manual of indoor unit.
" (air flow flap)
" (ventilation/air cleaning)
" (set temperature)
C
" "
" "
" "
" "
" (operation
" (programmed time)
" (inspection/test operation)
TEST
" (under centralized control)
" (fan speed)
" (time to clean air filter)
" (defrost/hot start)
5
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