Installation Of The Decoration Panel; Test Operation; Maintenance - Daikin FXSQ15A2VEB Manual De Instalación Y Funcionamiento

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Computerised control (forced off and on/off operation)
1
Wire specifications and how to perform wiring
-
Connect input from outside to terminals T1 and T2 of the
terminal board (remote controller to transmission wiring).
Wire specification
Sheathed vinyl cord or cable (2 wire)
Gauge
0.75-1.25 mm
Length
Max. 100 m
External terminal
Contact that can ensure the minimum
applicable load of 15 V DC, 10 mA
F2
T1
T2
FORCED
OFF
Input A
2
Actuation
-
The following table explains "forced off" and "on/off
operations" in response to input A.
Forced off
Input "on" stops operation
Input "off" enables control
3
How to select forced off and on/off operation
-
Turn the power on and then use the remote controller to
select operation.
-
Set the remote controller to the field set mode. For details,
refer to the chapter "How to set in the field", in the remote
controller manual.
-
When in the field set mode, select mode No. 12, then set the
first code No. to "1". Then set second code (position) No. to
"01" for forced off and to "02" for on/off operation. (forced off
at factory set.) (See figure 20)
1
Second code No.
2
Mode No.
3
First code No.
4
Field set mode
Centralized control
For centralized control, it is necessary to designate the group No. For
details, refer to the manual of each optional controller for centralized
control.

Installation of the decoration panel

Refer to the installation manual attached to the decoration panel.
After installing the decoration panel, ensure that there is no space
between the unit body and decoration panel.
2
on/off operation
input off → on: turns on the unit
(impossible by remote controllers)
input on → off: turns off the unit by
remote controller

Test operation

Refer to the installation manual of the outdoor unit.
The operation lamp of the remote controller will flash when an error
occurs. Check the error code on the liquid crystal display to identify
the trouble.
Error code
Meaning
A8
Error in power supply to indoor unit
Transmission error between fan driver PCB and controller
C1
PCB of the indoor unit
Improper combination of fan driver PCB of the indoor unit or
C6
setting failure in control PCB type
U3
Test operation of the indoor unit has not been finished
If any of the items in following table are displayed on the remote
controller, there may be a problem with the wiring or power, so check
the wiring again.
Error code
Meaning
There is a short circuit at the forced off terminals (T1, T2)
- The power on the outdoor unit is off
U4 or UH
- The outdoor unit has not been wired for power supply
- Incorrect transmission of forced off wiring
- The power on the indoor unit is off
- The indoor unit has not been wired for power supply
no display
- Incorrect transmission wiring, forced off wiring or remote
controller wiring

Maintenance

Caution
Only a qualified service person is allowed to perform
maintenance.
Before obtaining access to terminal devices, all power
supply circuits must be interrupted.
Do not use water or air of 50°C or higher for cleaning
air filters and outside panels.
When cleaning the heat exchanger, be sure to remove
the switchbox, fan motor, auxiliary electric heater and
drain pump. Water or detergent may deteriorate the
insulation of electronic components and result in burn-
out of these components.
If the main power supply is turned off during
operation, operation will restart automatically after the
power turns back on again.
How to clean the air filter
Clean the air filter when the display shows "
AIR FILTER).
Increase the frequency of cleaning if the unit is installed in a room
where the air is extremely contaminated.
If the dirt becomes impossible to clean, change the air filter. (Air filter
for exchange is optional.)
1
Open the suction grille. (Only for bottom suction.)
Slide both knobs simultaneously as shown and then pull them
downward.
" (TIME TO CLEAN
10

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