Hitachi RAS-14LH1 Manual de Usario

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Plug
Maximum pipe length
RAC-08LH1 : 10m
RAC-10LH1 : 10m
RAC-14LH1 : 15m
4
5
3
6
12
Be sure to
completely
seal any gap.
The difference in height
between the indoor and
outdoor unit should be
kept ma 10m.x
The connecting pipe,
no matter big or small,
should all be insulated
with insulation pipe and
then wrapped with vinyl
tape. (The insulator will
deteriorate if it is not
wrapped with tape).
The connection of insulated
drain hose.
Please use insulated drain
hose for the indoor piping
(commercial product).
The indoor piping should be
insulated with the enclosed
insulation pipe. (If the
insulator is insufficient,
please use commercial
products).
inner diameter 1 mm 
SPLIT UNIT AIR CONDITIONER
INSTALLATION MANUAL
Indoor Unit Outdoor Unit
RAS-08LH1/RAS-08LH1(B) RAC-08LH1
RAS-10LH1/RAS-10LH1(B) RAC-10LH1
RAS-14LH1/RAS-14LH1(B) RAC-14LH1
Carefully read through the procedures of proper
installation before starting installation work.
The sales agent should inform customers regarding
the correct operation of installation.
SAFETY PRECAUTION
!
!
!
!
A circuit breaker or fuse must be installed. Without a circuit breaker or fuse the danger of electric shock exists.
A main switch with a contact gap of more than 3mm has to be installed in the power supply line to the outdoor unit.
Do not install the unit near a location where there is ammable gas. The outdoor unit may
catch re if ammable gas leaks around it.
Please ensure smooth ow of water when installing the drain hose.
Piping shall be suitable supported with a ma imum spacing of 1m between the supports.x
Please request your sales agent or quali ed technician to install your unit. Water leakage, short circuit or re may occur if
you do the installation work yourself.
Please observe the instructions stated in the installation manual during the process of installation. Improper installation may
cause water leakage, electric shock and re.
Make sure that the units are mounted at locations which are able to provide full support to the weight of the units. If not,
the units may collapse and impose danger.
Observe the rules and regulations of the electrical installation and the methods described in the installation manual when
dealing with the electrical work. Use power cables approved by the authorities of your country.
Be sure to use the speci ed wire for connecting the indoor and outdoor units. Please ensure that the connections are tight
after the conductors of the wire are inserted into the terminals. Improper insertion and loose contact may cause over-heating
and re.
Please use the speci ed components for installation work. Otherwise, the units may collapse or water leakage, electric shock
and re may occur.
Be sure to use the speci ed piping set for R410A. Otherwise, this may result in broken copper pipes or faults.
When installing or removing an air conditioner, do not allow air or moisture to remain in the refrigeration cycle. Otherwise,
pressure in the refrigeration cycle may become abnormally high so that a rupture may be caused.
Be sure to ventilate fully if a refrigerant gas leak while at work. If the refrigerant gas comes into contact with re, a poisonous
gas may occur.
After completion of installation work, check to make sure that there is no refrigeration gas leakage. If the refrigerant gas
leaks into the room, coming into contact with re in the fan-driven heater, space heater, etc., a poisonous gas may occur.
Unauthorized modi cations to the air conditioner may be dangerous. If a breakdown occurs please call a quali ed air
conditioner technician or electrician. Improper repairs may result in water leakage, electric shock and re, etc.
FOR SERVICE PERSONNEL ONLY
THE CHOICE OF MOUNTING SITE (Please note the following matters and obtain permission from customer before installation).
!
The unit should be mounted at stable, non-vibratory location
which can provide full support to the unit.
!
The Outdoor unit must be mounted at a location which can sup-
port heavy weight. Otherwise, noise and vibration will increase.
!
No nearby heat source and no obstruction near the air outlet is allowed.
The clearance distances from top, right and left are speci ed in gure
below.
The location must be convenient for water drainage and pipe connection
with the Outdoor unit.
To avoid interference from noise please place the unit and its remote
controller at least 1m from the radio, television and inverter type
uorescent lamp.
To avoid any error in signal transmission from the remote controller,
please put the controller far away from high-frequency machines and
high-power wireless systems.
The installation height of indoor unit must be 2.3m or more.
!
Do not e pose the unit under direct sunshine or rain. Besides, ventilation x
must be good and clear of obstruction.
The air blown out of the unit should not point directly to animals or plants.
The clearances of the unit from top, left, right and front are speci ed in
gure below. At least 3 of the above sides must be open air.
Be sure that the hot air blown out of the unit and noise do not disturb the
neighbourhood.
Do not install at a location where there is ammable gas, steam, oil and
smoke.
The location must be convenient for water drainage.
Place the Outdoor unit and its connecting cord at least 1m away from the
antenna or signal line of television, radio or telephone. This is to avoid noise
interference.
Do not install outdoor unit facing strong wind direction. It may damage the
fan motor.
INDOOR UNIT
Names of Indoor Components
Hanger
QtyNo. Item
The Length of Indoor Unit Con-
necting Cord Figure showing the Installation of Indoor and Outdoor Unit.
OUTDOOR UNIT
11
Screw for holder of
Remote Controller
( 3 . 1 1 6 )x
AAA Size Battery
Direction of Piping
Holder for Remote
Controller T h e r e a r e 4 d i r e c t i o n s
allowed, namely, horizontally
perpendicular to the unit,
vertically down from right,
horizontally out from right and
horizontally out to left.
Don’t form the piping downward
at the left of the unit.
( 4 . 1 3 2 )x
Remote Controller
Purifying Filter
26
31
42
52
6
7
9
2
1
Screw for Hanger
Names of Outdoor Components
QtyNo. Item
Drain Pipe
1
0. m1. m
Connection
!
CAUTION
The installation height of indoor
unit must be 2.3m or more.
8
Holder
1
Installation of Hanger, Wall Penetration and Installation of Protection Pipe
1
!
The draining of the water container inside the indoor unit can be done from the
left. Therefore the hanger must be xed horizontally or slightly tilted towards the
side of drain hose. Otherwise, condensed water may over ow the water container.
Direct Mounting On The Wall
Please use hidden beams in the wall to hold the hanger.
Wall Penetration and Installation of Protection Pipe
Drill a ø 65mm hole on
wall which is slightly tilted
towards the outdoor side.
Drill the wall at a small
angle.
Cut the protection pipe
according to the wall
thickness.
Empty gap in the sleeve
of protection pipe should
be completely sealed with
putty to avoid dripping of
rain water into the room.
Installation of the Indoor Unit2
VERTICALLY DOWNWARD PIPING
Please pull the lower part of
the Indoor unit outwards to
check if the unit is hooked
onto the hanger. Improper
in s t a l l a t i o n m a y cau s e
vibration and noise.
!
CAUTION
HORIZONTAL PIPING
Preparation
Change of Drain Hose and Installation Procedures.
Exchange the location of drain hose and drain cap during horizontal piping as shown in
gure below. Be sure to plug in the drain hose until the insulating material folds upon itself.
Please use pliers to pull out the drain cap.
(This is an easier way to remove the drain cap).
INSTALLATION OF REFRIGERATING PIPES AFTER CONNECTION
The refrigerating pipes should be adjusted to  t into the
hole on the wall and then ready for further connection.
The terminals of 2 connected pipes must be covered
with insulator used for terminal connection. Then the
pipes are wrapped with insulation pipe.
Connect the connecting cord after removing electrical
cover. (Refer to “CONNECTION OF POWER CORD”)
After adjustment,  t the connecting cord and pipes
into the space available under the indoor unit. Use
holder to hold them tight.
!
CAUTION
The rubber strap used for
xing the insulator should
not be tied with great force.
Otherwise, this will damage
heat insulation and causes
water condensation.
Holder can be attached at the either of 2 places.
Please select the easier position.
THE CONNECTION OF REFRIGERATING PIPE DURING THE
INSTALLATION OF INDOOR UNIT
Preparation To Install Refrigerating Pipes
!
CAUTION
Please  x in the plastic core
after aring to avoid plastic
chips entering the pipes.
CAUTION
!
You are free to choose the side (left or right) for the installation of drain
hose. Please ensure the smooth ow of condensed water of the Indoor
unit during installation. (Carelessness may result in water leakage.)
!
CAUTION
Be sure that the
drain hose is not
loosely connected
or bend.
Be sure that the wire is not
in contact with any metal
in the wall. Please use
the protection pipe as wire
passing through the hollow
part of the wall so as to
prevent the possibility of
damaged by mouse.
Unless it seals completely,
any air with high humidity
flows from outdoor and
any dew may drop.
!
WARNING
The refrigerating pipes and connecting cord
transform and are attached.
The end of the refrigerating pipes are at locations
marked with symbol.
Installation of Drain Hose3
Installation
Hang the Indoor unit onto the hanger. Use the temporary
stand at the back of the Indoor unit to push its lower part
15cm forwards.
Place the drain hose through the hole on the wall.
Wrap the refrigerating pipes with insulation pipe after
connecting refrigerating pipe.
Connect the connecting cord after removing electrical cover.
(Refer to “Connection of Power Cord”)
After adjustment, the connecting cord and refrigerating pipes
are placed into the space available under the Indoor unit.
The projection of Indoor unit must hook to the hanger.
INDOOR UNIT
<
IA765: A
>
HOW TO REMOVE INDOOR UNIT
Push up the (PUSH) sections at the
bottom of the indoor unit and pull the
bottom plate towards you. Then the
claws are released from the stationary
plate.
(The (PUSH) sections are indicated by
2 arrows in the right gure)
Connecting cords, pipe and
drain hose must be laid
together with inyl tape.
 Push mark positions
!
CAUTION Condensed water may leak out if not inserted properly.
HORIZONTAL & DOWNWARD PIPING MAKING OPENINGS
During horizontal or downward piping, use a knife to cut
openings as shown in gure. Then smoothen the edges of
openings with a le.
Turn the piping while holding down the lower
portion of pipe-support by hand.
Drain hoseDrain cap
Openings
Pipe
Connecting
cord
Drain hose
Insulation pipe (must be wrapped with
vinyl tape at every 120mm).
Holder
Pipe Rubber strap tied with great force
below
5mm
Please bend at a small
radius to form an arc
0. 5m
about 15cm
Hook
Projection
Protection pipe
Connecting cord
Holder Connected section
Drain hose
Heat insulation pipe
Connecting
cord
Refrigerating pipe
Pull this to the front
during the connection
of refrigerating pipes
to ease task.
125mm
45mm
200mm
60mm
0mm
0mm
125mm
2 0mm
45mm
115mm
450mm
Level
Hanger
Hole for pipe
Weight
Mark
Line
Please use more
than 4 screws.
Screw for Hanger
Lift the body
of the unit
upwards and
then force it
downwards.
Hanger
Refrigerating
Pipe
Protection
Pipe Drain Hose Connecting
Cord
Hanger
1
Projection
2
CAUTION
Dimension of Mounting Stand
of the Outdoor unit
(unit : mm)
CAUTION
Preparation
Connect connecting cord.
Pull out the pipe, connecting cord and drain hose.
Installation
The upper part of the Indoor unit is hanged on the hanger.
The projection at the lower part of the Indoor unit is hooked onto the hanger.
WARNING WARNING
CAUTION CAUTION
WARNING
Read the safety precautions carefully before operating the unit.
The contents of this section are vital to ensure safety. Please pay special attention to the following sign.
WARNING ........ Incorrect methods of installation may cause death or serious injury.
CAUTION ......... Improper installation may result in serious consequence.
Be sure that the unit operates in proper condition after installation. E plain to customer the proper way of x
operating the unit as described in the user’s guide.
Procedures of Installation and Precautions
Procedures to x the hanger.
1. Drill holes on wall. 2. Push plug into the holes. 3. Fi the hanger on wallx
(As shown below) (As shown below) with 4.1 32 screwx
(As shown in gure below)
Procedures to x the holder of remote control.
1. Drill holes on wall. 2. Push plug into the holes.
(As shown below) (As shown below)
+ Screwdriver Measuring Tape Knife
● ● Saw ø 65mm Power Drill He agonal Wrench x
Key ( 4mm) Wrench (14, 17, 22mm) Gas
Leakage Detector ● ● Pipe Cutter Putty Vinyl
Tape Pliers Flare Tool Vacuum pump ● ●
File Manifold Valve Reamer Charge Hose
TOOLS NEEDED FOR INSTALLATION WORK
!
In case the pipe length is more than the recommended length
for chargeless, add refrigerant R410A as below. Do not exceed
the maximum pipe length.
CAUTION
Model Max. Pipe Chargeless up to Additional R410A
RAC-08LH1
RAC-10LH1
RAC-14LH1
5gram / meter
5gram / meter
20gram / meter
10m
10m
15m
5m
5m
8m
OUTDOOR UNIT
Removal Of Air From The Pipe And Gas Leakage Inspection
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 STAGE OF INSTALLATION
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 gure showing the installation of Indoor and
Outdoor units. Then x their position with holders.
To enhance 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 Controller2
Power Source And Operation Test3
The remote controller can be placed in its holder which is
xed 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 xed. The unit will beep
when signal is received from the remote controller. The signal
transmission is weaken by the uorescent 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
!
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 e ternal force as this may cause poor contact.x
Do not x 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.
<
IA765: A
>
The controller must
be hooked onto the
hook at the lower
part of the holder.
Push in the remote
cont rolle r in t he
direction as shown
in gure below.
3
Procedures of using Vacuum Pump for Air Removal
As shown in right gure, 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 ow of
coolant (using He agonal Wrench key).x
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
Preparation of Pipe1
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 aring, please put on the are nut.
Pipe Connection2
INSTALLATION OF REFRIGERATING PIPES AND AIR REMOVAL
!
AIR REMOVAL
THIS APPLIANCE MUST BE EARTHED.
CONNECTION OF POWER 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
How to Remove The Front Cover
Please use exclusive
tool
!
In case of removing are nut of an Indoor unit,  rst remove a nut
of small diameter side, or a seal cap of big diameter side will y
out. Prevent water from entering into the piping when working.
When the meter reaches - 101KPa
(-76cmHg) during pumping, fully
tighten the shuttle.
When pumping starts, slightly loosen the
are nut to check of air sucked in. Then
tighten the are nut.
How to Attach the Front Cover
Copper pipe
Trimming too
A
Die Die
Copper pipe
Wrench Torque
wrench
Flare nut
Sleeve of
protection pipe
Putty
Putty
Insulation material for pipe connection
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.
Outer
Diameter (mm)
6.35
9.52
12.70
For R410A tool
0.0 ~ 0.5mm
0.0 ~ 0.5mm
0.0 ~ 0.5mm
For R22 tool
A (mm)
1.0mm
1.0mm
1.0mm
L
N
DCBADCBA
Indoor Unit
Line Cord
AC 220-240
Outdoor Unit
Connecting Cord
1.6 or 2.0
2.0
Power line Control line
25mm
25mm
10mm
30mm
10mm
30mm
10mm
10mm
70mm
10mm
10mm
35mm
Outer
dia.of pipe
6.35 (1/4")
9.52 (3/8")
12.7 (1/2")
6.35 (1/4")
9.52 (3/8")
12.7 (1/2")
Valve
head cap
Torque N·m
(kgf · cm)
13.7 18.6 (140 190)
34.3 44.1 (350 450)
44.1 53.9 (450 550)
19.6 24.5 (200 ~ 250)
19.6 24.5 (200 ~ 250)
29.4 34.3 (300 350)
12.3 15.7 (125 ~ 160)
Small dia. side
Large dia. side
Valve core cap
Small dia. side
Large dia. side
HITAC
HI
HITAC HI
Step
Shaft
Hole
OFF
O
O FF
O
CAUTION
CAUTION
The naked part of the wire core should be 10 mm and x 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 e ample in Germany: x
Cable type: NYM 3x1.5mm
2.
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 an AC voltage drop between the L and N terminals if power is on. Therefore, before servicing,
be sure to remove the plug from the AC outlet or switch off the main switch.
Do not make any connection in the middle of the connecting cable. It may cause the wire overheating,
emit smoke and re.
!
WARNING
Procedures of Wiring
WARNING
If you cannot attach the side cover due to the connecting
cord, press the connecting cord in direction to the front panel
to x it.
Be sure that the hooks of the side cover is xed 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 bo to the main switch and outdoor unit in x
consideration of the locked rotor current.
Cable length
up to 16m
up to 15m
up to 25m
Wire cross-section
1.6mm2
2.5mm2
4.0mm2
IMPORTANT
Wiring of The Outdoor Unit
Please remove the side cover for wire connection.
!
Wiring Of The Indoor Unit
For wire connection of the Indoor unit, you need to remove low cover and front cover.
Method to remove front cover.
Refer to “FINAL STAGE OF INSTALLATION How to Remove The Front Cover”.
Method to remove the low cover
Pull the cover at 1 and 2 in the directions as shown by arrows to
remove the cover.
CAUTION
Lo Hi
Meter showing pressure
Closed
Manifold valve
Vacuum
pump
Valve
Charge hose
Valve
Vacuum pump
adapter
CONDENSED WATER DISPOSAL OF OUTDOOR UNIT
There are holes on the base of Outdoor unit for condense d
water to e haust.x
In order to  ow condensed water to the drain, the unit must be installed
as shown. The unit must be 100mm and above the ground. Join the drain
pipe to one hole.
At rst 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 rmly.
Drain Pipe
9
A
A
A
AA
DRAIN PIPE
BASE
When Using and Installing In Cold Areas
When the air conditioner is used in low temperature and in snowy conditions,
water from the heat e changer may freeze on the base surface to cause x
poor drainage. When using the air conditioner in such areas, do not install
the bushings. Keep a minimum of 250mm between the drain hole and the
ground. When using the drain pipe, consult your sales agent.
For more details, refer to the installation
Manual for Cold Areas.
Fuse Capacity
10A time delay fuse
After remove the screw
and cover, and put the
connecting cords and x
the cover with screw.
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 outdoor. In
localities where electrical conditions are poor, use of a voltage
regulation is recommended.
C D
Fuse Capacity
15A time delay fuse
For RAC-14LH1 onlyIMPORTANT
Outdoor supply cords shall not be lighter
than polychloroprene sheathed exible
cord with code designation 60245 IEC 57.
CAUTION
!
10mm
100mm ABOVE
FRONT
WALL
BRACKET
BACK
Ensure that the front side
of unit is higher than the
back by 10mm
GRN + YEL
Strip wires
Outdoor
Unit
Indoor
Unit
1 Check that the drain pan is securely attached.
2 After installing the front cover onto the unit, hook three
claws at upper side of the cover securely. Then, push the
center of the front cover to lock the claws.
3 Tighten the two screws.
4 Connect the wire connector. Close the electrical cover.
5 Install the lter.
6 Slide the shafts of the right and left arms on the washable
panel along the steps to insert the shafts into the holes
till they stop. After checking that the shafts are securely
inserted, close the panel.
1 Remove 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  gure. Then
remove while pulling it to front.
2 Remove the lters.
3 Open the electrical cover. Disconnect the wire connector.
4 After removing two screws, pull the center of the front
cover towards you and release the claws.
5 Pull the side faces (lower sections) of the front cover
towards you as shown in the gure and remove the
cover.
GRN + YEL

Especificaciones del producto

Marca: Hitachi
Categoría: aire acondicionado
Modelo: RAS-14LH1

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