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INSTALLATION
Please request your sales agent or qualified technician to install your unit. Water leakage,
●
short circuit or fire may occur if you do the installation work yourself.
MANUAL
Please observe the installation stated in the installation manual during the process of
●
installation. Improper installation may cause water leakage, electric shock and fire.
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 cables which are
approved official in your country. Be sure to use the specified circuit. A short circuit and
fire may occur due to the use of low quality wire or improper work.
Be sure to use the specified cables 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 to prevent the external force is being applied to the connection section of the
SPLIT UNIT AIR CONDITIONER
terminal base. Improper insertion and loose contact may cause over-heating and fire.
INDOOR UNIT
Please use the specified components for installation work. Otherwise, the unit may
●
collapse or water leakage, electric shock, fire or stronger vibration may occur.
RAF-XJ25QHAE
Be sure to use the specified piping set for R410A,R32. Otherwise, this may result in
RAF-XJ35QHAE
●
broken copper pipes or faults.
RAF-XJ50QHAE
When installing or transferring an air conditioner to another location, make sure that
●
EN INSTRUCTION MANUAL
air other than the specified refrigerant (R410A,R32) does not enter the refrigeration
cycle. If other air should enter, the pressure level of the refrigeration cycle may increase
FOR SERVICE
abnormally which could result in a rupture and injury.
PERSONNEL ONLY
Be sure to ventilate fully if a refrigerant gas leak while at work. If the refrigerant gas
●
comes into contact with fire, a poisonous gas may occur.
● C arefully read through the procedures
After completion of installation work, check to make sure that there is no refrigeration gas
●
of proper installation before starting
leakage. If the refrigerant gas leaks into the room, coming into contact with fire in the fan-
installation work.
driven heater, space heater, etc., a poisonous gas may occur.
● T he sales agent should inform
customers regarding the correct
Unauthorized modifications to the air conditioner may be dangerous. If a breakdown
●
operation of installation.
occurs please call a qualified air conditioner technician or electrician. Improper repairs
● E xplanation for outdoor unit is in the
may result in water leakage, electric shock and fire, etc.
"How To Use"(Instruction Manual) that
Be sure to connect the earth line from the power supply wire to the outdoor unit and
●
packed with outdoor unit.
between the outdoor and indoor unit. Do not connect the earth line to the gas
tube, water pipe, lighting rod or the earth line of the telephone unit.
Tools Needed For Installation Work
Improper earthing may cause electric shocks.
(Mark
is exclusive use tool for R410A ,R32)
When finishing the refrigerant collection (pumping down), stop the compressor and then
●
●
Screwdriver ● Measuring Tape ● Knife
remove the coolant pipe.
● Saw ● ø 65mm Power Drill ● Hexagonal
If you remove the refrigerant pipe while the compressor is operating and the service valve
Wrench Key (
4mm) ● Wrench
is released, air is sucked and a pressure in the freezing cycle system will build up steeply,
(14,17,22,26,27mm) Gas leakage Detector
causing an explosion or injury.
● Pipe Cutter ● Putty ● Vinyl Tape ● Pliers
When installing the unit, be sure to install the refrigerant pipe before starting the
● Flare Tool Vacuum Pump Adapter
●
compressor. If the refrigerant pipe is not installed and the compressor is operated with the
Manifold Valve
Charge Hose
Vacuum
service valve released, air is sucked and the pressure level of the refrigeration cycle may
Pump
increase abnormally which could result in a rupture and injury.
SAFETY PRECAUTION
● 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.
Make sure to connect earth line.
This sign in the figures indicates prohibition.
Be sure that the unit operates in proper condition after installation. Explain to customer the proper
operation and maintenance of the unit as described in the user's guide. Ask a customer to keep this
installation manual together with the instruction manual.
Cooling & Heating
EE0019567D rev. 0-10/2023
CAUTION
• A circuit breaker must be installed in the house distribution box for the direct connected power
supply cables to the outdoor unit. In case of other installations a main switch with a contact gap of
more than 3mm has to be installed.Without a circuit breaker, the danger of electric shock exists.
• Do not install the unit near a location where there is flammable gas. The outdoor unit
may catch fire if flammable gas leaks around it.
• Please ensure smooth flow of water when installing the drain hose. Improper installing may wet
your funiture.
• An IEC approved power cord should be used. Power cord type: NYM.
THE CHOICE OF MOUNTING SITE
(Please note the following matters and obtain permission from customer before installation.)
WARNING
• The unit should be mounted at stable, non-vibratory location which can provide full
support to the unit.
• The electric cables should neither be reworked nor added.Make sure to use an
exclusive circuit breaker.Otherwise fire or electric shock might occur by connection
failure, isolation failure or over current.
• Make sure to connect cables to terminal properly and terminal cover should close firmly.
Otherwise, over heating at terminal contact, fire or electric shock might occur.
• Make sure that there is no dust on any connected points of electric cables and fix firmly.
Otherwise, fire or electric shock might occur.
CAUTION
• No nearby heat source and no obstruction near the air outlet is allowed.
• The clearance distances from top, right and left are specified in figure 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 and television.
• 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.
[Indoor unit installation]
Direction of Piping
Piping configuration may be in three
different directions: direct rear piping,
(For example: Wall installation)
right downward piping and right
sideways piping.
Above 200mm
Be sure to
completely seal
any gap with putty.
Bush
11
The indoor piping should
be insulated with the
Drain pipe
enclosed insulation pipe. (If
Must be installed
the insulator is insufficient,
separately. Insulate indoor
please use commercial
part of pipe to prevent
products.)
condensation.
WARNING
Access the full version of the
User Installation Manual by
scanning the code.
Names of Indoor Components
No.
Item
Flare Insulator
Binder
Screw for Overturn
Prevention
(4.1 × 32)
Remote Controller
Holder
Screw for holder of
Remote Controller
5
(3.1 × 16)
AAA size
Battery
6
Remote Controller
7
Insulator
8
(t3 × 160 × 600)
Screw for Overturn
Prevention
9
(4.0 × 34)
Plug
Insulator
10
(20 × 30 × 300)
Bush
Above 150mm
11
14
Sheet
Above 100mm
12
Sheet
12
Air Purifying Filter
13
When mounting on a wall
Hanger
(up to 150~500 mm from the floor surface)
14
1. Installation of wall penetration and installation of protection pipe
1.1 Hole position
M ake a hole on the wall such
●
the position as shown below,
in order to keep the flow for
condensed water smooth.
1.2 Wall penetration and installation of protection pipe
D rill a ø65mm hole on wall which is slightly tilted
●
towards the outdoor side. Drill the wall at a small
angle.
C ut the protection pipe according to the wall
●
thickness.
E mpty gap in the sleeve of protection pipe should
●
be completely sealed with putty to avoid dripping
of rain water into the room.
2. Installation of the indoor unit
2.1 How to remove the front cover
Please refer to section for details.
If there is a baseboard
Removal and installation of
I f the baseboard is
●
front cover
5~15mm in thickness
and 115mm or less in
Screw (3 pieces)
height, cut the pipe
bushing to conform to
the baseboard.
Screw (3 pieces)
Screw (2 pieces)
2.2 Drain pipe
● M ake sure drain pipe slopes downward so that drain flows smoothly without being trapped in the middle.
● T he drain hose (connecting port outer diameter: 16mm or 20mm, length: 500mm) is included in the indoor unit. Prepare
a drain pipe as shown in the following figure.
● T o prevent condensation, the indoor drain pipe should be covered with heat insulation material with a thickness of more
than 10mm.
● A fter piping is completed, check to make sure that drain discharges smoothly. Seal the drain pipe tightly with tape to
keep dirt out.
Front view
Drain hose
(Unit: mm)
96
2.3 Connecting the pipe to indoor unit
D raw in the pipes through the hole of the wall or the floor to indoor.
●
Qty
A rrange the pipe shown below. In the case that large pipe and
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small pipe arrange to make in front and behind.
T he indoor piping should be insulated with the enclosed insulation
1
●
pipe.
T he pipe should first be cut longer than the length shown below.
●
T he excess section of the pipe should be cut off during pipe
2
●
connection.
In the case of make
●
In the case of make a hole on the wall.
8
●
a hole on the floor.
Before piping.
above 270
1
Floor
2
R emove PIPE SUPPORT.
●
I nsert the drain hose into the hole in the wall.
●
W inding insulation pipe for drain hose and taping 4 or 5 places to fix.
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2
C onnect the pipe to the Indoor unit.
●
A fter completing the piping connection, cover the connector with the insulator.
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C onnect the cord (follow instructions in the section "5. Connection of the connecting cord" on the reverse of this sheet).
●
1
1
PIPE SUPPORT
2
S ince there is some space between PIPE SUPPORT and
●
the pipe, affix the insulator
to the PIPE SUPPORT.
As shown in the figure on the right, affix the insulator
1
to the PIPE SUPPORT to sandwich it.
A fter connecting the pipes and connecting cord, be sure
●
to screw PIPE SUPPORT tightly and fix the pipes and
connecting cord.
3
P osition the easy-to-attach side of PIPE SUPPORT (after
●
aligning it with the pipe) to face the front and secure
it with a screw. (Be sure to install PIPE SUPPORT to
prevent rodents from entering the indoor unit.)
3
T o prevent the pipe connector from contacting the front
●
cover, push the connector as far as it goes.
A rrange the connecting cord, pipes and drain hose neatly
●
2
and store them in the bottom section of the rear surface
of the indoor unit.
1
Pipe layout of the unit rear surface
Indoor unit rear surface
Connecting cord
Pipe
Insulator
Hole Position
In the case of making a hole on the wall.
In the case of making a hole on the floor.
Drain hose
make lower
than center of
the hole.
55mm
Indoor
Outdoor
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.
For sideways piping
F or right sideways
●
piping, cut the stand's
bushing with a plastic
cutter or similar tool and
use a file for an attractive
finish.
Baseboard
Cabinet
Bushing (2
pieces on each
side)
5
5
5
5
15
15
15
15
Right side view
Make sure the drain hose slopes downward.
Connecting section
Drain pipe (procure locally)
88
WARNING
For sideways piping, do not install the drain hose
sideways. Connect the drain hose so that it comes
out directly.
Sideways installation of the drain hose will prevent
it from sloping downward, causing water leakage.
To avoid dripping, make sure to pass the drain hose
under the pipe.
S ideways piping.
●
After piping.
Top view
Front view
Small pipe
Large pipe
Wall
Floor
Binder
Wrap flare insulation,
bind top and bottom
Flare
insulator
flare insulation by
binder. Wrap tape on
flare insulation closely.
Binder
Pipe
Insulator
PIPE SUPPORT
When mounting the flare
insulator
a space between the insulator
and left of resin part. Otherwise,
may cause water dripping.
Hook the PIPE
SUPPORT tab in
the square hole.
Screws
PIPE SUPPORT
Mount PIPE SUPPORT so that the cylindrical portion of the drain
pan passes through its hole and secure it with screws located at
the right back corner.
Pipe/drain hose layout when passing through the
wall hole
Connecting cord
Pipe
Insulator
Drain hose
65mm
CAUTION
For floor piping
F or floor piping, cut the
●
front cover bushing with
a plastic cutter or similar
tool and use a file for an
attractive finish.
Cabinet
Front cover
bushing
(Unit: mm)
Right side view
CAUTION
, make sure there is
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Summary of Contents for Hitachi air Home RAF-XJ25QHAE
- Page 1 1. Installation of wall penetration and installation of protection pipe WARNING 1.1 Hole position INSTALLATION M ake a hole on the wall such Please request your sales agent or qualified technician to install your unit. Water leakage, ● ● Hole Position short circuit or fire may occur if you do the installation work yourself. the position as shown below, MANUAL in order to keep the flow for Please observe the installation stated in the installation manual during the process of In the case of making a hole on the wall. In the case of making a hole on the floor.
- Page 2 3. Fixing the indoor unit 5. Connection of the connecting cord WARNING 3.1 Floor Installation (1) R emove the cover of the electric box. • L eave some space in the connecting cord for 1. D rill holes on wall. 2. P ush plug into the holes. (2) Connect the connecting cords. Fixing on the wall Fixing on the hanger maintenance purpose and be sure to secure (As shown below) (As shown below) (3) A ssemble the cover of electric box. it with the cord band.