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Daikin RXYQ5PY1 Service Manual Page 331

R-410a heat pump 50hz/60hz cooling only 50hz.
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Operation Manual
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 control
which display this icon.
4.
Display "
" (air flow flap)
Refer to the chapter "Operation Procedure - Adjusting the Air Flow
Direction".
5.
Display "
" (ventilation/air cleaning)
This display shows that the ventilation unit are in operation. (these
are optional accessories)
6.
Display "
" (set temperature)
C
This display shows the temperature you have set.
7.
Display "
" "
" "
This display shows the current operation mode.
8.
Display "
" (programmed time)
This display shows the programmed time of the system start or
stop.
9.
Display "
" (inspection/test operation)
TEST
When the inspection/test operation button is pressed, the display
shows the mode in which the system actually is.
10.
Display "
" (under centralized control)
When this display shows, the system is under centralized control.
(This is not a standard specification.)
11.
Display "
" (fan speed)
This display shows the fan speed you have selected.
12.
Display "
" (time to clean air filter)
Refer to the operation manual of indoor unit.
13.
Display "
" (defrost/hot start)
Refer to the chapter "Operation Procedure - Explanation of Heat-
ing 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 mainte-
nance purposes.
17.
Programming time button
Use this button for setting the programming start and/or stop time.
18.
Temperature setting button
Use this button for setting the desired temperature.
324
figure 3
" "
" "
" (operation mode)
19.
Filter sign reset button
Refer to the operation manual of indoor unit.
20.
Fan speed control button
Press this button to select the fan speed of your preference.
21.
Operation mode selector button
Press this button to select the operation mode of your preference.
22.
Air flow direction adjust button
Refer to the chapter "Operation Procedure - Adjusting the Air Flow
Direction".
23.
Fan only/air conditioning selector switch
Set the switch to "
" for fan only operation or to "
heating or cooling operation.
24.
Cool/heat changeover switch
Set the switch to "
" for cooling operation or to "
ing operation.
25.
Thermistor
It sense the room temperature around the remote control.
26.
These buttons are used when the ventilation unit are
installed (These are optional accessories).
Refer to the operation manual of the ventilation unit.
Note
• In contradistinction to actual operating situations, the display on
figure 1 shows all possible indications.
• Figure 2 shows the remote control which is opened the cover.
• For FXS, FXM, FXL and FXN, the air flow direction adjust button
(22) is not available and the display (4) shows "NOT AVAILABLE"
when pressed.
2-5 Operation Range
Use the system in the following temperature and humidity ranges for
safe and effective operation.
outdoor temperature
indoor temperature
indoor humidity
Note
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.
2-6 Operation Procedure
• Operation procedure varies according to the combination of out-
door unit and remote control. Read the chapter "What to do before
operation".
• To protect the unit, turn on the main power switch 6 hours before
operation.
And do not turn off the power supply during the air conditioning
season because of smoothly start up.
• If the main power supply is turned off during operation, operation
will restart automatically after the power turns back on again.
2-6-1 Cooling, Heating and Fan only Operation
• The operation mode cannot be changed with the remote control
whose display shows "
trol).
Change the operation mode with the remote control whose dis-
play does not show "
• When the display "
flashes, refer to the chapter "Operation Procedure - Setting the
Master Remote Control".
• The fan may keep on running for about 1 minute after the heating
operation stops for removing the heat in the indoor unit.
• The air flow rate may be adjusted automatically depending on the
room temperature or the fan may stop immediately. This is not a
malfunction.
• For machine protection the system may control the air flow rate
automatically.
• It may take sometime for finishing to change the air flow rate.
• This is normal operation.
SiEN34-705
" for heat-
COOLING
HEATING
–5°~43°CDB
–20°~21°CDB
–20°~15.5°CWB
21°~32°CDB
15°~27°CDB
14°~25°CWB
≤ 80%
" (changeover under con-
".
" (changeover under control)
Operation Manual
" for

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