Installation and operation manual
5
FDYMP71~125L7V1
Split System air conditioners
4PW14036-1B
Precautions
1.
A single switch can be used to supply power to units on the same
system. However, branch switches and branch circuit breakers must
be selected carefully.
2.
Do not ground the equipment on gas pipes, water pipes, lightning
rods or crossground with telephones. Improper grounding could
result in electric shock.
F
IELD
SETTING
Field setting must be made from the remote controller in accordance
with the installation condition.
Refer to the manual of the remote
controller.
Setting of static pressure
■
Change the SECOND CODE No. according to
Table 2
depending on the resistance of the connection duct.
Table 2
The unit is factory set for high static pressure (SECOND CODE No.
02) at the time of shipping.
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
Table 3
depending on the amount of dirt or dust in the room. (SECOND
CODE No. Is factory set to "01" for filter contamination-light.)
Table 3
Control by 2 Remote Controllers (Controlling 1 indoor
unit by 2 remote controllers)
Refer to the manual of the remote controller
.
Computerised control (forced off and on/off operation)
1
Wire specifications and how to perform wiring
-
Connect the input wire (option) to connector X40A on the
indoor PCB.
Wire specifications (to extend the optional wire):
(See figure 8)
2
Actuation
-
The following table explains "forced off" and "on/off
operations" in response to input A.
3
How to select forced off and on/off operation
Change the second code No. according to
Table 4
. (Second
code No. is factory set to “01” for forced off.)
Table 4
T
EST
OPERATION
Refer to the section of
"For the following items, take special care
during construction and check after installation is finished" on page 2
.
■
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. (Not necessary for the
straight cooling type.)
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 during operation.
Refer to the manual of
the remote controller on how to operate.
Precautions
In case something is wrong with the unit and it does not operate, refer
to the malfunction diagnosis label attached to the unit.
External static
pressure
Mode No.
FIRST CODE No.
SECOND
CODE No.
Low: 50 Pa
13 (23)
6
01
High: 100 Pa
02
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
Wire specification
Sheathed vinyl cord or cable (2 wire)
Gauge
0.75-1.25 mm
2
Length
Max. 100 m
External terminal
Contact that can ensure the minimum
applicable load of 15 V DC, 10 mA
1
Input A (Input “ON”=closed contact)
Forced off
on/off operation
Input "on" stops ope
disables control
input off
➜
on: starts operation remote,
control is still enabled
Input "off" enables control
input on
➜
off: stops operation remote,
control is still enabled
Setting
Mode No.
FIRST CODE No.
SECOND CODE No.
Forced off
12 (22)
1
01
ON/OFF
operation
02
NOTE
If the main power supply is turned off during operation,
operation will restart automatically after the power
turns back on again.
