Installation manual
5
FDYP125~2 FDQ125~250B8V3B
Split System air conditioners
4PW23694-1A
Wiring example
Pair type (Refer to
)
Remote controller controls 1 indoor unit (standard system).
Control by two remote controllers (Refer to
Two remote controllers control 1 indoor unit.
Group control (Refer to
Remote controller controls up to 16 indoor units.
(All indoor units operate according to the remote controller.)
(Refer to
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
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
.
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.
1
Main power supply
2
Main switch
3
Fuse
4
Outdoor unit
5
Indoor unit
6
Remote controller
7
Remote controller (Optional accessories)
NOTE
1.
All transmission wiring except for the remote
controller must match the terminal symbol.
2.
Use shield wire in transmission wiring. Ground the
shield of the shield wire to "
", at the grounding
screw of the remote controller cord grounding the
terminal inside the control box.
3.
For group control remote controller, choose the
remote controller that suits the indoor unit which
has the most functions (as attached swing flap).
4.
A single switch can be used to supply power to
units on the same system. However, branch
switches and branch circuits breakers must be
selected carefully.
5.
Do not ground the equipment on gas pipes, water
pipes, lightning rods or crossground with
telephones. Improper grounding could result in
electric shock.
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 No.
FIRST CODE No.
SECOND CODE No.
Enabled
20
2
01
Disabled
20
2
02