FDY(P)125~2 FDQ125B7V3B
Split System air conditioners
4PW10621-1C
Installation manual
4
F
IELD
SETTING
Setting external static pressure
Depending on the external static pressure (ducts, filter, etc.) which is
connected to the air conditioning unit the fan speed should be set by
changing the wires in the switch box. (Refer to
figure 5
)
Factory set:
fan speed is
M
.
High ESP:
fan speed is
H
.
Low ESP:
fan speed is
L
.
Setting air filter sign
■
Remote controllers are equipped with liquid crystal display air
filter signs to display the time to clean air filters.
■
Change the SECOND CODE No. according to the table
depending on the amount of dirt or dust in the room. (SECOND
CODE No. is factory set to “01” for filter contamination-light.)
Setting the remote sensor
The customer has the ability to select the thermistor. Both unit and
remote controller are equipped with a thermistor.
Setting
Change the second code n° according to the table to enable or
disable the remote sensor.
T
EST
OPERATION
Refer to
"Check list" on page 1
.
After finishing the construction of refrigerant piping, drain piping, and
electric wiring, conduct test operation accordingly to protect the unit.
1.
Open the gas side stop valve.
2.
Open the liquid side stop valve.
3.
Electrify crank case heater for 6 hours.
4.
Set to cooling operation with the remote controller and start
operation by pushing ON/OFF button.
5.
Press Inspection/Test Operation button 4 times and operate at
Test Operation mode for 3 minutes.
6.
Press Inspection/Test Operation button and operate normally.
7.
Confirm function of unit according to the operation manual.
Precautions
In case something is wrong with the unit and it does not operate, refer
to the malfunction diagnosis label attached to the unit.
NOTES
Setting
Spacing time of
display air filter sign
(long life type)
Mode No.
FIRST
CODE No.
SECOND
CODE No.
Air filter contamination-light
±2500 hrs
10 (20)
0
01
Air filter contamination-heavy
±1250 hrs
02
Setting
Mode n°
1st code n°
2nd code n°
Enabled
20
2
01
Disabled
20
2
02
