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P. D 120
160
45°
45°
ø100
ø70
113
334.2
P. D 88
97
O
F
F
1
2
3
OFF
SW1
O
F
F
1
2
3
SW4
1 2 3 1 2 3 1 2 3
1 2 3
1 2 3
ONOFF
1
2
3
4
5
6
ON
1 2 31 2 3
1 2 3
ONOFF
1
2
3
4
5
6
Test run display
Unit number (usually 0)
Error code
Ex. Self-diagnosis
SU
MO
TU
WE
TH FR
SA
C
Indoor unit
Ceiling height
(m)
Normal
High ceiling 1
High ceiling 2
Low ceiling
1
–
–
–
–
2.5 - 3.0
3.0 - 3.5
More than 3.5
Less than 2.5
2
OFF
ON
OFF
ON
3
OFF
OFF
ON
ON
DIP-SW4
CAUTION
Use a clean gauge mani-
fold and charging hose
for R410A exclusively.
t
5. ADDITIONAL CHARGE
Refrigerant suitable for a piping length of 7.5 m is charged in the outdoor
unit at the factory.
When the piping is longer than 7.5 m, additional charging is necessary.
For the additional amount, see the table below.
Gauge manifold
Vacuum pump
Service hose
Cooling
model
7.5 m
(25 ft)
None
None
Pipe length
10 m
(33 ft)
100 g
(3.5 oz)
50 g
(1.8 oz)
15 m
(49 ft)
300 g
(10.6 oz)
150 g
(5.3 oz)
20 m
(66 ft)
500 g
(17.6 oz)
250 g
(8.8 oz)
Additional
refrigerant
Heat & Cool
(Reverse cycle)
25 m
(82 ft)
700 g
(24.7 oz)
350 g
(12.3 oz)
8
PART NO. 9365388068-04
1
2
3
O
F
F
SW 4
1
2
3
O
F
F
SW 1
Indoor unit PC board
Dip switch
(SW4)
Indoor unit
PC board
CONNECTING THE PIPE4
6. GAS LEAKAGE INSPECTION
Body
Be sure to overlap the
insulation
Coupler heat insulation
No gap
Coupler heat insulation
After checking for gas leaks, insulate by wrapping insulation around the
two parts (gas and liquid) of the indoor unit coupling, using the coupler
heat insulation.
After installing the coupler heat insulation, wrap both ends with vinyl tape
so that there is no gap.
CAUTION
Must fit tightly against body without any gap.
CAUTION
1 After connecting the piping, check the all joints for gas
leakage with gas leak detector.
2 When inspecting gas leakage, always use the vacuum
pump for pressure. Do not use nitrogen gas.
CAUTION
Do not bundle the remote controller cable, or wire the re-
mote controller cable in parallel, with the indoor unit con-
nection wire (to the outdoor unit) and the power supply
cable. It may cause erroneous operation.
Ceiling height setting
Set the DIP switch for the ceiling height according to the table below.
INSTALLING THE INTAKE GRILLE
(1) Mount the grille hinge wire to the hook shaft as shown in the
figure.
A
• Latch the grille hinge wire to the hook shaft, and fasten.
Part A detail view Part A section view
(3) Loosen the screw, put the loop of the hook wire over it, and tighten
the screw again.
CAUTION
Install the intake grille hook wire to the grille assem-
bly. If it falls, it may cause injuries.
(4) Bring up the intake grille by pushing it up at an angle as shown in
the figure, and fasten.
REMOTE CONTROLLER
SETTING
CAUTION
1 When detecting the room temperature
using the remote controller, please set
up the remote controller according to
the following conditions.
If the remote controller is not well set,
the correct room temperature will not
be detected, and thus the abnormal
conditions like “not cooled” or “not heated” will occur
even if the air conditioner is running normally.
• A location with an average temperature for the room
being airconditioned.
• Not directly exposed to the outlet air from the air-
conditioner.
• Out of direct sunlight.
• Away from the influence of other heat sources.
2 When installing the remote controller and cable near a
source of electromagnetic waves, separate the remote
controller from the source of the electromagnetic waves
and use shielded cable.
3 Do not touch the remote controller PC board and PC
board parts directly with your hands.
C. Indoor unit/remote controller setting
(room temperature sensor selection)
The temperature sensor of the indoor unit or the remote controller can be
used to detect the room temperature.
9
TEST RUN
CAUTION
Supply power to the crankcase heater for at least 12 hours
before the start of operation in winter.
(1) Stop the air conditioner operation.
(2) Press the MODE button and the FAN button simultaneously for 2 sec-
onds or more to start the test run.
(3) Press the START/STOP button to stop the test run.
[SELF-DIAGNOSIS]
When the error indication “E:EE” is displayed, follow the following items to
perform the self-diagnosis. “E:EE” indicates an error has occurred.
1. REMOTE CONTROLLER DISPLAY
(1) Stop the air conditioner operation.
(2) Press the SET TEMP. buttons
simultaneously for 5 seconds or
more to start the self-diagnosis.
Refer to the following tables for the description of each error code.
(3) Press the SET TEMP. buttons
simultaneously for 5 seconds or
more to stop the self-diagnosis.
Error code Error contents
Communication error
(indoor unit
remote controller)
Communication error
(indoor unit outdoor unit)
Room temperature sensor open
Room temperature sensor short-circuited
Indoor heat exchanger temperature sensor open
Indoor heat exchanger temperature sensor short-
circuited
Outdoor heat exchanger temperature sensor open
Outdoor heat exchanger temperature sensor short-
circuited
Power source connection error
Float switch operated
Outdoor temperature sensor open
Outdoor temperature sensor short-circuited
Discharge pipe temperature sensor open
Discharge pipe temperature sensor short-circuited
Outdoor high pressure error
Discharge pipe temperature error
00
01
02
03
04
05
06
07
08
09
0A
0b
0C
0d
0E
0F
Error code Error contents
Model error
Indoor fan error
Outdoor signal error
Outdoor EEPROM error
11
12
13
14
NOTES
If the function to change the temperature sensor is used as shown in
examples A and B (other than example C), be sure to lock the detection
location. If the function is locked, the lock display
will flash when
the THERMO SENSOR button is pressed.
(1) Press the THERMO SENSOR button for 5 seconds or more to unlock
the function. The thermo sensor display flashes and then disappears
when the function is unlocked.
(2) Press the THERMO SENSOR button to select the temperature sen-
sor of the indoor unit or the remote controller.
3. CHECKING DRAINAGE
To check the drain, remove the water cover and fill with 2 to 3rof water as
shown in the figure.
The drain pump operates when operating in the cooling mode.
Water cover
Drain pipe
Watering pot
10
CAUTION
1 When performing hole opening work, be careful not to
damage the drain pan.
2 When connecting the distribution duct, to make the air
flow easily, block the outlet port with the blower cover
insulation as shown by the hatched lines in the figure.
For the blocking direction, refer to blower cover insu-
lation figure.
Unit: mm
12-ø3.3 self tapping screw holes (for 4 mm)
Cut
Cut
Cabinet
Cabinet
Knife
Insulation
(Inner box)
OPENING THE DUCT
CONNECTION HOLE
2. DISTRIBUTION DUCT AND FRESH AIR DUCT
HOLE PROCESSING
Use the distribution duct hole and fresh air duct hole by removing the
insulation material as shown below.
• Cut off the part (Cabinet) indicated by the arrow in the figure with
nippers, needle nose pliers, etc.
• Open the holes and cut the insulation with a knife.
* Be careful not to damage the internal parts.
* Be careful not to cut yourself on the cutout in the metal plate.
* Please remove the insulation (inner box) left over after cutting.
• Connect the distribution duct.
* When mounting the duct, block the gap so that there is no cold air
leakage.
* Insulate the duct and cut connection.
CAUTION
The air conditioner cannot take in fresh air by itself. When
connecting a fresh air duct, always use a duct fan.
1. DIMENSION
Screw position and connection hole which are fresh air duct and distribu-
tion duct.
11
NO.
SW state
Detail
OFF ON
1 ✽
Dual remote controller
2 ✽
setting
3
One unit
✽ Multiple unit Group control setting
4
Heat & Cool model
Cooling only model
Model setting
5 Invalidity Validity ✽ Auto changeover setting
6 Invalidity✽ Validity Memory backup setting
DIP-Switch
✽ : Factory setting
NO.
SW state
Detail
OFF ON
1 Invalidity Validity ✽ Auto restart setting
2 ——✽
Temperature correction
3 ——✽
setting for heating
1 — ✽ — Remote controller setting
2 — ✽ —
Air flow setting
3 — ✽ —
DIP-Switch 1
● Indoor unit
[DIP-SWITCH SETTING]
DIP-Switch 4
• When the air conditioner power was temporarily turned off by a power
failure etc., it restarts automatically after the power recovers.
(Operated by setting before the power failure)
The auto restart function can be
canceled.
(1) DIP switch setting (indoor unit)
Change the DIP switch (SW1-1)
on the indoor unit circuit board
from ON to OFF. The auto restart
function will be canceled.
Indoor unit
DIP Switch
3. CANCELING AUTO RESTART
● Remote controller
2. OUTDOOR UNIT LEDS
Heat & Cool model (reverse cycle) only
When a malfunction occurs in the outdoor unit, the LEDs on the circuit
board light to indicate the error. Refer to the following table for the descrip-
tion of each error according to the LEDs.
When the fault is cleared, the LED lamp goes off.
However, for discharge pipe temperature abnormal and high pressure
abnormal, the LED lamp lights continuously for 24 hours, as long as the
power is not turned off.
Quick flash continued Quick flash continued
Model error or
EEPROM error
1 quick flash repeated Lighting continued
Power source
connection error
2 quick flash repeated Lighting continued
Discharge tempera-
ture sensor error
3 quick flash repeated Lighting continued
Outdoor heat
exchanger tempera-
ture sensor error
Error display
LED1 LED2
Error contents
0.1 sec.
OFF
ON
0.1 sec.
OFF
ON
0.5 sec.
2 sec.
OFF
ON
OFF
ON
0.5 sec.
2 sec.
OFF
ON
OFF
ON
0.5 sec.
2 sec.
OFF
ON
OFF
ON
4 quick flash repeated Lighting continued Outdoor temperature
sensor error
5 quick flash repeated Lighting continued
Communication signal error
6 quick flash repeated Lighting continued Indoor unit error
7 quick flash repeated Lighting continued Discharge temperature
error
8 quick flash repeated Lighting continued High pressure error
5 quick flash repeated Dislighting continued Discharge temperature
error (24h)
6 quick flash repeated Dislighting continued High pressure
error (24h)
(2) Rotary switch setting (indoor unit)
Set the unit number of each indoor unit using the rotary switch on the
indoor unit circuit board.
The rotary switch is normally set to 0.
(3) DIP switch setting (remote controller)
Change DIP switch No. 3 on the remote controller from OFF to ON.
2. DUAL REMOTE CONTROLLERS (OPTIONAL)
Two separate remote controllers can be used to operate the indoor units.
(1) Wiring method (indoor unit to remote controller)
(2) DIP switch setting (remote controller)
Set the remote controller DIP switch Nos. 1 and 2 according to the
following table.
Number of
remote
controllers
Master unit
1 (Normal)
2 (Dual)
ON
OFF
OFF
OFF
DIP-SW No. 1 DIP-SW No. 2
Remote controller
DIP Switch
Number of
remote
controllers
Slave unit
1 (Normal)
2 (Dual)
–
ON
–
ON
DIP-SW No. 1
DIP-SW No. 2
1. GROUP CONTROL SYSTEM
A number of indoor units can be operated at the same time using a single
remote controller.
(1) Wiring method (indoor unit to remote controller)
SPECIAL INSTALLATION
METHODS
CAUTION
1 When setting the rotary switch and DIP switches, do
not touch any other parts on the circuit board directly
with your bare hands.
2 Be sure to turn off the main power.
Remote
controller
wire
Remote
controller
Indoor unit
No.
0
Indoor unit
No.
1
Indoor unit
No.
2
Indoor unit
No.
3
Remote controller
DIP Switch
Indoor unit
Rotary Switch
SW2
Remote
controller
wire
Indoor unit
Master
unit
Slave
unit
Remote
controller
Distribution duct
Distribution duct
Fresh air
DIP Switch
ON
ON
OFF
1
2
3
4
5
6
3. SETTING THE DIP SWITCHES
When using a battery (memory backup)
4. SETTING THE ROOM TEMPERATURE DETEC-
TION LOCATION
The detection location of the room temperature can be selected from the
following three examples. Choose the detection location that is best for
the installation location.
A. Indoor unit setting (factory setting)
The room temperature is detected by the indoor unit temperature sensor.
Change the DIP switch setting to use batteries. (The DIP switch is not set
to use batteries at the factory.)
Change DIP switch No. 6 from OFF to ON.
If batteries are not used, all of the settings stored in memory will be de-
leted if there is a power failure.
2. ROUTING THE REMOTE CONTROLLER WIRES
(1) Install the remote controller wires to the terminals on the top of the
rear case as shown in the following figure.
(2) Fasten the wires with the binder.
(Example)
When installing the remote controller, remove the connector from the
front case. The wires may break if the connector is not remove and the
front case hangs down.
When installing the front case, connect the connector to the front case.
(2) Install the rear case to the wall, etc. with the two tapping screws.
Refer to the following information to install the remote controller wires.
1. INSTALLING THE REMOTE CONTROLLER
(1) Open the operation panel on the front of the remote controller, re-
move the two screws indicated in the following figure, and then re-
move the front case of the remote controller.
Screws
DAY OFF
DELETE SET
ENERGY
SAVE
THERMO
SENSOR
SET BACK
DAY
CLOCK ADJUST
Front case
(back side)
Rear case
Connector
Remote controller
wires
Connector
Front case
Rear case
Install the remote controller wires so as not to be direct touched with
your hand.
1. Red
2. White
3. Black
Binder
B
Indoor unit
A
Indoor unit
B. Remote controller setting
The room temperature is detected by the remote controller temperature
sensor.
(1) When the THERMO SENSOR button is pressed, the lock display
flashes because the function is locked at the factory.
(1) Press the THERMO SENSOR button for 5 seconds or more to unlock the
function. The thermo sensor display flashes and then disappears when
the function is unlocked.
(2) Press the THERMO SENSOR button.
The thermo sensor display appears.
(3) Press the THERMO SENSOR button again for 5 seconds or more to
lock the function. The thermo sensor display flashes and then remains
on when the function is locked.
(4) Make sure that the function is locked.
CAUTION
1 If the setting for a low ceiling is selected, the capacity
of the air conditioner decreases slightly.
2 Do not set any switches other than those specified
in this sheet or the remote controller installation in-
struction sheet. The air conditioner may not operate
correctly if any switches other than those specified are
changed.
Between 7.5 m and 25 m, when using a connection pipe other than that
in the table, charge additional refrigerant with 40 g (1.4 oz)/1 m (3.3 ft)
(Reverse cycle model), 20 g (0.71 oz)/1 m (3.3 ft) (Cooling model) as the
criteria.
5
ELECTRICAL WIRING
WARNING
1 Before starting work, check that power is not being
supplied to the indoor unit and outdoor unit.
2 Match the terminal board numbers and connection
cable colors with those of the outdoor unit.
Erroneous wiring may cause burning of the electric parts.
3 Connect the connection cables firmly to the terminal
board. Imperfect installation may cause a fire.
4 Always fasten the outside covering of the connection
cable with the cable clamp. (If the insulator is chafed,
electric leakage may occur.)
5 Always connect the ground wire.
1. CONNECTION DIAGRAMS
[3 phase TYPE]
EARTH
3
N
1
2
(N)
T
(L3)
S
(L2)
R
(L1)
3
1
2
(N)
3
2
1
Remote controller
Black
Red
White
Power supply
EARTH
Power line
Indoor unit
side terminal
Outdoor unit
side terminal
[1 phase TYPE]
3
1
2
(N)
3
2
1
3
N
L
1
2
(N)
Remote controller
Black
Red
White
Power supply
Power line
Indoor unit
side terminal
Outdoor unit
side terminal
3. INDOOR UNIT SIDE
2. CONNECTION CABLE PREPARATION
Keep the earth wire longer than the other wires.
30 mm
40 mm or over
Earth wire
Power supply
cable or
connection cable
CAUTION
Use care not to mistake the power supply cable and
connection wires when installing.
Remote controller
cable
Terminal board
(Indoor unit)
Cable clamp
Connection cable
(To the outdoor unit)
Red
White
Black
Remote
controller
Terminal board
OUTDOOR
UNIT
Connection
cable
(2) After wiring is complete, clamp the remote controller cable and con-
nection cable with the cable clamp.
(3) Install the control box cover and cover (wire) B.
4. OUTDOOR UNIT SIDE
(1) Remove the terminal cover of the outdoor unit, and insert the end of
the connection cable and the power supply cable into the terminal
board.
(2) Fasten the connection cable and the power supply cable with the ca-
ble clamp, and install the terminal cover.
CAUTION
When connecting the power supply cable, make sure that
the phase of the power supply matches with the phase of
the terminal board. If the phases do not match, the
compressor will rotate in reverse and will not be able to
compress.
6
GRILLE INSTALLATION
BLOWER COVER INSULATION
Install the blower cover insulation only when the outlet direction is not
specified.
Two blower cover insulations are packed with the indoor unit.
Install the blower cover insulation at the diffuser position shown in the
figure. At this time, use the piping position as the criteria.
A-A Section view
A
A
2 direction example
(Piping direction)
Blower cover
insulation
Panel
base
Drain
pan
(2) Install the hook wire.
• Pass the hook wire through the panel base from the rear side as
shown in the figure, and fasten to the reinforced metal fitting of
the intake grille using a screw.
Hook wire
RFM (grille)
Grille hinge
wire
Hook shaft
Screw
Section view
Hook wire
CAUTION
1 When moving and installing the air conditioner, do not
mix gas other than the specified refrigerant (R410A)
inside the refrigerant cycle.
2 When charging the refrigerant R410A, always use
an electronic balance for refrigerant charging (to
measure the refrigerant by weight).
3 When charging the refrigerant, take
into account the slight change in
the composition of the gas and
liquid phases, and always charge
from the liquid phase side whose
composition is stable.
4 Add refrigerant from the charging valve after the com-
pletion of the work.
5 The maximum length of piping is 25 m. If the units are
further apart than the maximum pipe length, correct
operation can not be guaranteed.
Gas
Liquid
R410A
7. HEAT INSULATION ON THE PIPE JOINTS
(INDOOR SIDE ONLY)
HOW TO CONNECT WIRING TO THE TERMINALS
A. For solid core wiring (or F-cable)
(1) Cut the wire end with a wire cutter or wire-cutting pliers, then strip
the insulation to about 25 mm to expose the solid wire.
(2)
Using a screwdriver, remove the terminal screw(s) on the terminal board.
(3) Using pliers, bend the solid wire to form a loop suitable for the
terminal screw.
(4) Shape the loop wire properly, place it on the terminal board and
tighten securely with the terminal screw using a screwdriver.
B. For strand wiring
(1) Cut the wire end with a wire cutter or wire-cutting pliers, then strip
the insulation to about 10 mm to expose the strand wiring.
(2)
Using a screwdriver, remove the terminal screw(s) on the terminal board.
(3) Using a round terminal fastener or pliers, securely clamp a round
terminal to each stripped wire end.
(4) Position the round terminal wire, and replace and tighten the
terminal screw using a screwdriver.
A. Solid wire
Strip 25 mm
Insulation
Loop
B. Strand wire
Strip 10 mm
Round
terminal
Wire
Screw with
special washer
Round terminal
Terminal
board
Wire
Screw with
special washer
Round
terminal
Terminal block
Cover (wire) B
Control box cover
(1) Remove the control box cover and cover (wire) B and install the con-
nection cable.
7
POWER
WARNING
1 [3 phase TYPE]
The rated voltage of this product is 400 V 3N ~ 50 Hz.
Before turning on, verify that the voltage is within
the 342 V to 457 V range.
[1 phase TYPE]
The rated voltage of this product is 230 V ~ 50 Hz.
Before turning on, verify that the voltage is within
the 198 V to 264 V range.
2 Always use a special branch circuit and install a spe-
cial receptacle to supply power to the air conditioner.
3 Use a special branch circuit breaker and receptacle
matched to the capacity of the air conditioner.
(Install in accordance with standard.)
4 Perform wiring work in accordance with standards so that
the air conditioner can be operated safely and positively.
5 Install a leakage special branch circuit breaker in ac-
cordance with the related laws and regulations and elec-
tric company standards.
CAUTION
1 The power source capacity must be the sum of the air
conditioner current and the current of other electrical
appliances. When the current contracted capacity is in-
sufficient, change the contracted capacity.
2 When the voltage is low and the air conditioner is difficult
to start, contact the power company the voltage raised.
3 This air conditioner must be connected to a power
source that has an electrical impedance of 0.159 Ω or
less or has a supply current of 100 A or greater. If the
power supply does not meet the specifications, con-
tact the power company.
Temperature sensor
CAUTION
11
11
1 When select the “Remote controller
setting”, if the detected
temperature value between the
temperature sensor of the indoor
unit and the temperature sensor of
the remote controller varies significantly, it is likely
to return to the control status of temperature sensor
of the indoor unit temporarily.
22
22
2 As the temperature sensor of remote controller
detects the temperature near the wall, when there is a
certain difference between the room temperature and
the wall temperature, the sensor will not detect the
room temperature correctly sometimes.
Especially when the outer side of the wall on which
the sensor is positioned is exposed to the open air, it
is recommended to use the temperature sensor of the
indoor unit to detect the room temperature when the
indoor and outdoor temperature difference is
significant.
33
33
3 The temperature sensor of the remote controller is
not only used when there is a problem in the detection
of the temperature sensor of the indoor unit.
CAUTION
When routing the ground wires, leave slack as shown in
the illustrations.
[1 phase TYPE]
NL31
2
(N)
Control box
Terminal
Cable clamp
Power supply cable
Connection cable
(indoor unit and
outdoor unit
connection cable)
Power supply cable
Connection cable
Indoor unit
EARTH
[3 phase TYPE]
N3 1
2
(N)
R
(L1)
S
(L2)
T
(L3)
Control box
Terminal
Cable clamp
Power supply cable
Connection cable
(indoor unit and
outdoor unit
connection cable)
Power supply cable
Connection cable
Indoor unit
EARTH
Connection cable
Cable clamp
Power supply cable
Insulation tube
Terminal
cover
9365388068-04_IM_back.p65 15/2/10, 09:281
Содержание
- A standard setting 1
- A standard setting b slender setting 1
- Always remove the panel frame after removing the intake grille 1
- B slender setting 1
- Be careful not to scratch the air conditioner when handling it after installation explain correct operation to the customer using the operating manual let the customer keep this installation instruction sheet because it is used when the air conditioner is serviced or moved 1
- Be more careful that foreign matter oil water etc does not enter the piping than with refrigerant r22 models also when 1
- Be sure to apply the pipe against the port on the in door unit correctly if the centering is improper the flare nut cannot be tightened smoothly if the flare nut is forced to turn the threads will be damaged 1
- Bending pipes 1
- Body installation 1
- Cassette type 1
- Caution 1
- Connect the indoor unit and outdoor unit with the air conditioner piping and cables available standards parts this installa 1
- Connection pipes 1
- Continued to the next page 1
- Copper pipes 1
- Do not install near heat sources 1
- Do not install where there is the danger of combustible 1
- Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation there is no extra re frigerant in the outdoor unit for air purging 1
- Do not remove the flare nut from the indoor unit pipe until immediately before connecting the connection pipe 1
- Do not turn on the power until all installation work is complete 1
- Do not use an extension cable 1
- Do not use mineral oil on flared part prevent mineral oil from getting into the system as this would reduce the lifetime of the units 1
- During installation make sure that the refrigerant pipe is attached firmly before you run the compressor do not operate the compressor under the condition of refrigerant piping not attached properly with 2 way or 3 way valve open this may cause abnormal pressure in the refrigeration cycle that leads to breakage and even injury 1
- During the pump down operation make sure that the compressor is turned off before you remove the refrigerant piping do not remove the connection pipe while the compressor is in operation with 2 way or 3 way valve open this may cause abnormal pressure in the refrigeration cycle that leads to breakage and even injury 1
- Example 1
- Flaring 1
- For authorized service personnel only 1
- For the air conditioner to operate satisfactorily install it as outlined in this installation instruction sheet 1
- G if the job is done with the panel frame only there is a risk that the unit will come loose please take care 1
- G install the air conditioner in a location which can with stand a load do at least five times the weight of the main unit and which will not amplify sound or vibra tion if the installation location is not strong enough the indoor unit may fall and cause injuries 1
- Gas leakage 1
- Gas through them 1
- Hanging preparations 1
- Hold the torque wrench at its grip keeping it in the right angle with the pipe in order to tighten the flare nut correctly 1
- If children under 10 years old may approach the unit take preventive measures so that they cannot reach the unit 1
- If refrigerant leaks while work is being carried out ventilate the area if the refrigerant comes in contact with a flame it 1
- If the pipe is bent repeatedly at the same place it will break 1
- If this product is used in an area where the temperature falls below freezing for long periods of time do not con nect the drain pipe instead allow the water to drain into a drain pan 1
- Indoor unit 1
- Indoor unit accessories 1
- Install at a place that can withstand the weight of the in door and outdoor units and install positively so that the units will not topple or fall 1
- Install heat insulation around both the gas and liquid pipes failure to do so may cause water leaks use heat insulation with heat resistance above 120 c re verse cycle model only in addition if the humidity level at the installation location of the refrigerant piping is expected to exceed 70 install heat insulation around the refrigerant piping if the ex pected humidity level is 70 80 use heat insulation that is 15 mm or thicker and if the expected humidity exceeds 80 use heat insulation that is 20 mm or thicker if heat insulation is used that is not as thick as specified condensation may form on the surface of the insulation in addition use heat insulation with heat conductivity of 0 45 w m k or less at 20 c 1
- Install the drain pipe in accordance with the instructions in this installation instruction sheet and keep the area warm enough to prevent condensation problems with the piping may lead to water leaks 1
- Install the unit where it will not be tilted by more than 1
- Installation instruction sheet 1
- Installation work must be performed in accordance with national wiring standards by authorized personnel only 1
- Installing the panel frame 1
- Models that use refrigerant r410a have a different charging port thread diameter to prevent erroneous charging with con ventional refrigerant r22 and for safety therefore check beforehand the charging port thread diameter for r410a is 1 2 unf 20 threads per inch 1
- Outdoor unit 1
- Outdoor unit accessories 1
- Outdoor unit connection cable and pipe connection preparations 1
- Outdoor unit installation 1
- Outdoor unit processing 1
- Part a detail view 1
- Part a detail view part a section view 1
- Part b detail view 1
- Perform final tightening by tightening the double nut firmly 1
- Position the ceiling hole and hanging bolts 1
- Produces a toxic gas 1
- Removing the intake grille 1
- Removing the panel frame 1
- Since 2 way outlet as shown below causes performance problems do not set it 1
- Since the working pressure is 1 times higher than that of conventional refrigerant r22 models some of the piping and installation and service tools are special see the table below especially when replacing a conventional refrigerant r22 model with a new refrigerant r410a model always replace the conventional piping and flare nuts with the r410a piping and flare nuts 1
- Special tools for r410a 1
- Split type air conditioner 1
- Storing the piping securely seal the openings by pinching taping etc 1
- The basic installation work procedures are the same as conventional refrigerant r22 models however pay careful attention to the following points 1
- The maximum lengths of this product are shown in the following table if the units are further apart than this correct operation can not be guaranteed 1
- The maximum lengths of this product are shown in the table if the units are further apart than this correct operation can not be guaranteed 1
- Thicknesses of annealed copper pipes r410a 1
- This air conditioner uses new refrigerant hfc r410a 1
- This mark indicates procedures which if improperly performed might lead to the death or serious injury of the user 1
- This mark indicates procedures which if improperly performed might possibly result in personal harm to the user or damage to property 1
- Tion instruction sheet describes the correct connections using the installation set available from our standard parts 1
- To prevent breaking of the pipe avoid sharp bends bend the pipe with a radius of curvature of 150 mm or over 1
- Use a vacuum pump for r410a exclusively using the same vacuum pump for different refrigerants may damage the vacuum pump or the unit 1
- Vacuum 1
- Warning 1
- When charging the refrigerant take into account the slight change in the composition of the gas and liquid phases and always charge from the liquid phase side whose composition is stable 1
- When installing and relocating the air conditioner do not mix gases other than the specified refrigerant r410a to enter the refrigerant cycle if air or other gas enters the refrigerant cycle the pressure inside the cycle will rise to an abnormally high value and cause breakage injury etc 1
- When installing the outdoor unit where it may exposed to strong wind fasten it securely 1
- While welding the pipes be sure to blow dry nitrogen 1
- 04 05 06 07 08 09 0a 0b 0c 2
- 1 1 1 1 when select the remote controller setting if the detected temperature value between the temperature sensor of the indoor unit and the temperature sensor of the remote controller varies significantly it is likely to return to the control status of temperature sensor of the indoor unit temporarily 2
- 12 13 14 2
- 2 2 2 2 as the temperature sensor of remote controller detects the temperature near the wall when there is a certain difference between the room temperature and the wall temperature the sensor will not detect the room temperature correctly sometimes especially when the outer side of the wall on which the sensor is positioned is exposed to the open air it is recommended to use the temperature sensor of the indoor unit to detect the room temperature when the indoor and outdoor temperature difference is significant 2
- 3 3 3 3 the temperature sensor of the remote controller is not only used when there is a problem in the detection of the temperature sensor of the indoor unit 2
- A indoor unit setting factory setting 2
- Add refrigerant from the charging valve after the com 2
- After connecting the piping check the all joints for gas 2
- Always connect the ground wire 2
- Always fasten the outside covering of the connection cable with the cable clamp if the insulator is chafed electric leakage may occur 2
- Always use a special branch circuit and install a spe 2
- B remote controller setting 2
- Be sure to turn off the main power 2
- Before starting work check that power is not being 2
- Board imperfect installation may cause a fire 2
- C indoor unit remote controller setting 2
- Ceiling height setting 2
- Cial receptacle to supply power to the air conditioner 2
- Connect the connection cables firmly to the terminal 2
- Connecting the pipe 4 2
- Damage the drain pan 2
- Do not bundle the remote controller cable or wire the re mote controller cable in parallel with the indoor unit con nection wire to the outdoor unit and the power supply cable it may cause erroneous operation 2
- Do not set any switches other than those specified in this sheet or the remote controller installation in struction sheet the air conditioner may not operate correctly if any switches other than those specified are changed 2
- Do not touch the remote controller pc board and pc board parts directly with your hands 2
- Electrical wiring 2
- Example 2
- Factory setting 2
- G indoor unit 2
- G remote controller 2
- Grille installation 2
- Heat cool model reverse cycle only 2
- If the setting for a low ceiling is selected the capacity 2
- Indoor unit 2
- Indoor unit pc board 2
- Install a leakage special branch circuit breaker in ac cordance with the related laws and regulations and elec tric company standards 2
- Install the intake grille hook wire to the grille assem bly if it falls it may cause injuries 2
- Installing the intake grille 2
- Leakage with gas leak detector 2
- Match the terminal board numbers and connection cable colors with those of the outdoor unit erroneous wiring may cause burning of the electric parts 2
- Must fit tightly against body without any gap 2
- Of the air conditioner decreases slightly 2
- Opening the duct connection hole 2
- Part a detail view part a section view 2
- Part no 9365388068 04 2
- Perform wiring work in accordance with standards so that 2
- Phase type the rated voltage of this product is 400 v 3n 50 hz before turning on verify that the voltage is within the 342 v to 457 v range 1 phase type the rated voltage of this product is 230 v 50 hz before turning on verify that the voltage is within the 198 v to 264 v range 2
- Pletion of the work 2
- Remote controller 2
- Remote controller setting 2
- Room temperature sensor selection 2
- Section view 2
- Special installation methods 2
- Supplied to the indoor unit and outdoor unit 2
- Supply power to the crankcase heater for at least 12 hours before the start of operation in winter 2
- Test run 2
- The air conditioner can be operated safely and positively 2
- The air conditioner cannot take in fresh air by itself when connecting a fresh air duct always use a duct fan 2
- The maximum length of piping is 25 m if the units are further apart than the maximum pipe length correct operation can not be guaranteed 2
- The power source capacity must be the sum of the air conditioner current and the current of other electrical appliances when the current contracted capacity is in sufficient change the contracted capacity 2
- This air conditioner must be connected to a power source that has an electrical impedance of 0 59 ω or less or has a supply current of 100 a or greater if the power supply does not meet the specifications con tact the power company 2
- To start contact the power company the voltage raised 2
- Use a special branch circuit breaker and receptacle matched to the capacity of the air conditioner install in accordance with standard 2
- Use care not to mistake the power supply cable and connection wires when installing 2
- When charging the refrigerant r410a always use an electronic balance for refrigerant charging to measure the refrigerant by weight 2
- When charging the refrigerant take into account the slight change in the composition of the gas and liquid phases and always charge from the liquid phase side whose composition is stable 2
- When connecting the distribution duct to make the air flow easily block the outlet port with the blower cover insulation as shown by the hatched lines in the figure for the blocking direction refer to blower cover insu lation figure 2
- When connecting the power supply cable make sure that the phase of the power supply matches with the phase of the terminal board if the phases do not match the compressor will rotate in reverse and will not be able to compress 2
- When detecting the room temperature using the remote controller please set up the remote controller according to the following conditions if the remote controller is not well set the correct room temperature will not be detected and thus the abnormal conditions like not cooled or not heated will occur even if the air conditioner is running normally a location with an average temperature for the room being airconditioned not directly exposed to the outlet air from the air conditioner out of direct sunlight away from the influence of other heat sources 2
- When inspecting gas leakage always use the vacuum pump for pressure do not use nitrogen gas 2
- When installing the remote controller and cable near a source of electromagnetic waves separate the remote controller from the source of the electromagnetic waves and use shielded cable 2
- When moving and installing the air conditioner do not mix gas other than the specified refrigerant r410a inside the refrigerant cycle 2
- When performing hole opening work be careful not to 2
- When routing the ground wires leave slack as shown in the illustrations 2
- When setting the rotary switch and dip switches do not touch any other parts on the circuit board directly with your bare hands 2
- When the voltage is low and the air conditioner is difficult 2
- When using a battery memory backup 2
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