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Commission the fan coil unit
5.2.
Configure the unit
It is important that all information in this chapter is read sequentially by
the installer and that the unit is configured as applicable.
Configuration of the unit is done trough the controller in accordance
with the installation condition.
Setting can be made by changing the "Mode No.", "First code
No." and "Second code No.".
For setting and operation, refer to "Field setting" in the installation
manual of the controller.
Setting ceiling height
Adjust the Second code No. according to the table below so that it
corresponds to the ceiling height of your installation. (Second code
No. is factory set to "01")
Ceiling height
Mode No.
(m)
≤3.2
13(23)
>3.2 or ≤3.6
13(23)
>3.6 or ≤4.2
13(23)
Table 5.2: Ceiling height setting
Setting air discharge direction
For changing air discharge direction (2, 3 or 4 directions), refer to the
option handbook of the optional blocking pad kit. (Second code No. is
factory set to "01" for all-round air discharge)
Setting air filter sign
Remote controllers are equipped with liquid crystal air filter signs to
display the time to clean the air filter. Change the Second code No.
Depending on the amount of dirt or dust in the room. (Second code
No. is factory set to "01" for air filter contamination-light)
Setting
Display
interval
Light
±2500 hrs
Heavy
±1250 hrs
No display
—
Table 5.3: Air filter contamination
When using wireless remote controllers it is necessary to use address
setting. Refer to the controller installation manual for the setting
instructions.
Activating forced OFF and ON/OFF operation
The following table explains "forced OFF" and "ON/OFF operations" in
response to the input signal.
Forced OFF
ON/OFF operations
Input "ON" stops
Input OFF→ON:
operation
turns on the unit
(impossible by
remote controllers)
Input "OFF" enables
Input ON→OFF:
control
turns off the unit (by
remote controller)
Table 5.4: Forced OFF and ON/OFF operation
Installation manual
11
First code No.
Second code
No.
0
0
0
Mode No.
First code
Second
No.
code No.
10(20)
0
10(20)
0
10(20)
3
Protective
equipment input
Input ON: enables
abnormal system
stop (an error code
will be displayed)
Input OFF: enables
normal operation
1
Turn the power on and then use the remote controller to select
operation.
2
Set the remote controller to the field set mode.
Setting
Forced OFF
ON/OFF
operation
Protective
equipment
input
Table 5.5: Forced OFF and ON/OFF selection
Commission the fan coil unit
5.3.
Test the installation
01
After installation, the installer is obliged to verify correct operation.
02
In case something is wrong with the unit and it does not operate,
contact your local DAIKIN dealer.
03
Information
When using a wireless remote controller, conduct a test
operation after installing the decoration panel.
Test operation before installing decoration panel
Danger: electric shock
See
1
Open the water inlet valve(s).
2
Open the water outlet valve(s).
3
Set to cooling operation with the remote controller and start
operation by pushing ON/OFF button.
01
4
Press Inspection/Test Operation button
02
operate at Test Operation mode for 3 minutes.
02
5
Press Inspection/Test Operation button
normally.
6
Confirm function of unit according to the operation manual.
7
Turn off the main power supply after operation.
Test operation after installing decoration panel
1
Open the water inlet valve(s).
2
Open the water outlet valve(s).
3
Set to cooling operation with the remote controller and start
operation by pushing ON/OFF button.
4
Press Inspection/Test Operation button
times for wireless remote controller) and operate at Test Opera-
tion mode for 3 minutes.
5
Push air flow direction adjust button
the unit is in operation.
6
Press Inspection/Test Operation button
normally.
7
Confirm function of unit according to the operation manual.
Commission the fan coil unit
5.4.
Handover to the user
Once the test run is finished and the unit operates properly, fill in the
sheet "Handover of the installation to the user" which is an annex of
the user manual.
Service and maintenance
Service and maintenance
Mode No.
First code
No.
12(22)
8
12(22)
8
12(22)
8
"Precautions for installation" on page
Second
code No.
01
02
03
2.
4 times and
and operate
4 times (2
to make sure
and operate
FWC
Fan coil units
4PW64525-1B – 2014.03
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