Gas Leakage Inspection
Please use gas leakage detector to check if
leakage occurs at the connection of Flare nut
as shown on the right.
If gas leakage occurs, further tighten the
connection to stop leakage.
FINAL ST
A
GE OF INST
ALLA
TION
Insulation And Maintenance Of Pipe Connection
1
●
The connected terminals should be completely sealed with
heat insulator and then tied up with rubber strap.
●
Please tie the pipe and power line together with vinyl tape as
shown in the figure showing the installation of Indoor and
Outdoor units. Then fix their position with holders.
●
To enchance the heat insulation and to prevent water
condensation, please cover the outdoor part of the drain hose
and pipe with insulation pipe.
●
Completely seal any gap with putty.
Installation Of Remote Controller
2
Power Source And Operation Test
3
●
The remote controller can be placed in its holder which is
fixed on wall or beam.
●
To operate the remote controller at its holder, please ensure
that the unit can receive signal transmitted from the controller
at the place where the holder is to be fixed. The unit will beep
when signal is received from the remote controller. The signal
transmission is weaken by the fluorescent light. Therefore,
during the installation of the remote control holder, please
switch on the light, even during day time, to determine the
mounting location of the holder.
Power Source
CAUTION
!
●
Please use a new socket. Accident may occur due to the use of old
socket because of poor contact.
●
Please plug in and then remove the plug for 2 – 3 times. This is to
ensure that the plug is completely plugged into the socket.
●
Keep additional length for the power cord and do not render the
plug under external force as this may cause poor contact.
●
Do not fix the power cord with U-shape nail.
Operation Test
●
Please ensure that the air conditioner is in normal
operating condition during the operation test.
●
Explain to your customer the proper operation
procedures as described in the user’s manual.
<
IA77: A
>
The controller must
be hooked onto the
hook at the lower
part of the holder.
Push in the remote
controller in the
direction as shown
in figure below.
Preparation of Pipe
1
●
Use a pipe cutter to cut the copper pipe.
●
Jagged edge will cause leakage.
●
Point the side to be trimmed downwards during trimming to prevent copper
chips from entering the pipe.
●
Before flaring, please put on the flare nut.
Pipe Connection
2
INST
ALLA
TION OF REFRIGERA
TING PIPES AND AIR REMO
VA
L
CAUTION
!
Outer
dia.of pipe
6.35 (1/4")
15.88 (5/8")
6.35 (1/4")
15.88 (5/8")
Valve
head cap
Torque N·m
(kgf · cm)
13.7 – 18.6 (140 – 190)
49 – 58.8 (500 – 600)
19.0 – 21.0 (194 ~ 214)
29.0 – 31.0 (296 ~ 316)
9.0 (92)
Outer
Diameter (mm)
6.35
15.88
Imperial flaring tool
0.8
~
1.5mm
1.0
~
2.0mm
Rigid flaring tool
A (mm)
Small dia. side
Large dia. side
Valve core cap
WARNING
●
If you cannot attach the side cover due to the connecting cord,
press the connecting cord in direction to the front panel to fix it.
●
Be sure that the hooks of the side cover is fixed in certainly. Otherwise
water leakage may occur and this causes short circuit or faults.
●
The connecting cord should not touch to service valve and pipes. (It
becomes high temperature in heating operation.)
Checking for the electric source and the
voltage range
●
Before installation, the power source must be checked and necessary wiring work must
be completed. To make the wiring capacity proper, use the wire gauges list below for
the lead-in from a pole transformer and for the wiring from a switch board of fuse box
to the main switch and outdoor unit in consideration of the locked rotor current.
Cable length
up to 15m
up to 25m
Wire cross-section
2.5mm
2
4.0mm
2
IMPORTANT
●
THIS APPLIANCE MUST BE EARTHED.
Procedures of Wiring
Wiring of The Outdoor Unit
●
Please remove the side cover for wire connection.
!
CONNECTION OF PO
WER CORD
●
Please be careful when bending the copper pipe.
●
Screw in manually while adjusting the center. After that, use of torque wrench to
tighten the connection.
WARNING
!
In case that power is supplied from Indoor Unit
●
Please use exclusive
tool
Small dia. side
Large dia. side
CAUTION
!
In case of removing flare nut of an Indoor unit, first remove a nut
of small diameter side, or a seal cap of big diameter side will fly
out. Prevent water from entering into the piping when working.
Power line
Control line
Indoor
Unit
Outdoor
Unit
GRN + YEL
GRN + YEL
Strip wires
Connect the
earth cord
After remove the screw
and band, put the
connecting cords and fix
the band with screw.
How to Attach the Front Cover
1
After covering the front cover to the unit, certainly hook at
the upper portion (four places). Then, check that the drain
pan is certainly attached. Push the front cover in the
direction of arrow at the
portion of hooks.
2
Hook the front cover at lower portion to the drain pan and
then fix them by screws and attach the caps.
3
Connect the wire connector, fixed the screw and electrical
cover.
4
Attach the front panel.
●
Certainly insert the left shaft of the front panel to the hole
of the front cover. Next insert the right shaft as same as
the left.
5
Attach the filters which are placed the surface written
“FRONT” up.
●
After attaching the filters, push the front panel at three
arrow portion as shown in figure and close it.
Hole
Guide
Shaft
Copper pipe
Trimming tool
A
Die
Die
Copper pipe
0
~
0.5mm
0
~
1.0mm
Wrench
Torque
wrench
Flare nut
L
N
D
C
B
A
D
C
B
A
Indoor Unit
Line Cord
Outdoor Unit
Connecting Cord
1.6 or 2.0
AC 220-240V
2.5
2.5
25mm
25mm
10mm
30mm
10mm
30mm
10mm
10mm
70mm
10mm
10mm
35mm
Sleeve of
protection pipe
Putty
Putty
Insulation material for pipe connection
Remote
Controller
Holder for
Remote Controller
Screw (2 pieces)
A
B
C
D
How to Remove The Front Cover
1
Open the front panel.
●
Please remove and attach the
front panel by both hands.
●
After opening the front panel by both hands.
1
Undo the right arm while pushing it inside.
2
Slide the front panel to right as shown in figure. Then
remove while pulling it to front.
3
Remove the screw and electrical cover, disconnect the
wire connector from connector housing.
2
Remove the filters.
3
Remove the caps and screws
at the lower portion of the
front cover.
4
Pull the front cover upward as far
as the location where the lower
portion of the front cover is on
the deflector.
5
Remove while pulling the front
cover in direction to arrow as
shown in figure to hold the both
sides of front cover.
Cap
Screw
Lower portion of front cover
Deflector
1
2
Screw
Connector
Housing
Electrical cover
Removal Of Air From The Pipe And Gas Leakage Inspection
3
Procedures of using Vacuum Pump for Air Removal
As shown in right figure, remove
the cap of valve core. Then,
connect the charge hose. Remove
the cap of valve head. Connect the
vacuum pump adapter to the
vacuum pump and connect the
charge hose to the adapter.
Fully tighten the “Hi” shuttle of the
manifold valve and completely
unscrew the “Lo” shuttle. Run the
vacuum pump for about 10–15
minutes, then completely tighten
the “Lo” shuttle and switch off the
vacuum pump.
2
Completely unscrew the spindle of
the service valve (at 2 places) in
anti-clockwise direction to allow the
flow of coolant (using Hexagonal
Wrench key).
3
Remove the charge hose and
tighten the cap of valve head.
Check the cap’s periphery if there
is any gas leakage. The task is
then completed.
4
1
AIR REMO
V
A
L
The body of
service valve
Cap of
valve core
Hexagonal
Wrench Key
Cap of valve head
Cap of valve head
●
The naked part of the wire core should be 10 mm and fix it to the terminal tightly. Then try to pull the
individual wire to check if the contact is tight. Improper insertion may burn the terminal.
●
Be sure to use only power cables approved from the authorities in your country. For example in Germany:
Cable type: NYM 3x1.5mm
2
, (fuse = 30A time delay)
●
Please refer to the installation manual for wire connection to the terminals of the units. The cabling must
meet the standards of electrical installation.
●
There is a AC voltage of 240V between the L, N, A and B terminals. Therefore, before servicing, be sure
to remove the plug from the AC outlet or switch off the main switch.
WARNING
!
OUTDOOR UNIT
●
Please mount the outdoor unit on
stable ground to prevent vibration
and increase of noise level.
●
Decide the location for piping after
sorting out the different types of
pipe available.
●
Open the side plate by unscrewing
the screws as shown below.
Please face this side
(suction side) of the
unit to the wall.
Please
remove
side cover
when
connecting
the piping
and
connecting
cord.
Pull
downward
CAUTION
Please make sure to remove all
spacers inside the unit.
●
Open the Top, Back and Side
cover of the unit.
●
Pull out the spacers inside.
(Spacers are only for
transportation purpose).
If not remove, vibration and noise
will occur.
Top cover
CONDENSED WATER DISPOSAL OF OUTDOOR UNIT
There are holes on the base of Outdoor unit for condensed water to exhaust.
In order to flow condensed water to the drain, the unit is installed on a
stand or a block so that the unit is 100mm above the ground as shown
figure. Join the drain pipe to one hole.
At first insert one portion of the hook to the base (Portion A), then pull the
drain pipe in the direction shown by the arrow while inserting the hook into
the base. After installation, check whether the drain pipe cling to the base
firmly.
When using in cold region, etc.
In cold region with severe cold climate and heavy snow, water discharged
from heat exchanger freeze on the base surface and this may affect
drainage. In such a region, remove bush on the bottom face of outdoor unit
for better drainage. When using drainpipe, consult our dealer.
Side cover
Back cover
BASE
DRAIN PIPE
A
DRAIN PIPE
BUSH
100 mm ABOVE
10
9
BUSH
8
●
Investigate the power supply capacity and other
electrical conditions at the installation location.
Depending on the model of room air conditioner to be
installed, request the customer to make arrangements
for the necessary electrical work etc.
The electrical work includes the wiring work up the
outlet. In localities where electrical conditions are poor,
use of a voltage regulation is recommended.
IMPORTANT
Earth terminal
N
L
Fuse Capacity
30A time delay fuse
A
B
Wiring Of The Indoor Unit
●
For wire connection of the Indoor unit, you need to remove front panel and electrical cover.
Method to remove front panel
●
Refer to “FINAL STAGE OF INSTALLATION – How to Remove The Front Cover”.
Method to remove electrical cover
●
Remove the screw and electrical cover.
●
Insert the connecting cord (A, B, C, D) from the bottom of unit.
●
Fixed the wire to terminal wires firmly as shown in figure at right side.
Screw
Electrical cover
Screw
Lo
Hi
Meter showing pressure
Manifold valve
Vacuum pump
Charge
hose
When pumping starts, slightly loosen
the flare nut to check of air sucked in.
Then tighten the flare nut.
C
D
