Hitachi RAS-X10HAK Installation Manual

HITACHI SPLIT-UNIT AIR CONDITIONER

INSTALLATION MANUAL

Indoor Unit Outdoor Unit
+
RAS-X10HAK RAC-X10HAK
+
RAS-X13HAK RAC-X13HAK

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.
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 customers to keep this installation manual together with the instruction manual.

Installation of Mounting Plate, Wall Penetration and Installation of Protection Pipe

1
CAUITON
The draining of the water container inside the indoor unit can be done from the left.
Therefore the mounting plate must be fixed horizontally or slightly tilted towards the
side of drain hose. Otherwise, condensed water may overflow the water container.
Direct Mounting On The Wall
Please use hidden beams in the wall to hold the mounting plate.
External dimension of
indoor unit
450mm
400mm
316mm
20mm
125mm
41mm
45mm
65mm 65mm 390mm
10mm
530mm
Drain Hose
780mm
Mounting
Plate
Screw for Mounting plate
Please use more
than 4 screws.
Procedures of Installation and Precautions
Procedures to fix the mounting plate.
1. Drill holes on wall.
(As shown below)
2.Fix the mounting plate on
wall with 4.1 x 32 screw
(As shown in figure below)
Wall Penetration and Installation of Protection Pipe
Drill a ø 65mm hole on wall
which is slightly tilted
Indoor
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
WALL
protection pipe should be
Sleeve of
Protection
protection
completely sealed with putty
pipe
pipe
to avoid dripping of rain
water into the room.
< >
: A
E4340
Carefully read through the procedures of proper
installation before starting installation work.
The sales agent should inform customers regarding
the correct operation of installation.
This sign indicates prohibition.
2

Installation of the Indoor Unit

VERTICALLY DOWNWARD PIPING

Preparation
Connect power cord.
Pull out the pipe, power cord and drain hose.
Installation
The upper part of the indoor unit is hanged
on the mounting plate.
The projection at the lower part of the indoor
unit is hooked onto the mounting plate.
125mm
44mm
Mounting Plate
wall nole
42mm
45mm
65mm
Protection
Drain Hose
Pipe
Drain Hose
Level

HORIZONTAL PIPING

Preparation
Change of Drain Hose and Installation Procedures.
Line Exchange the location of drain hose and drain cap during horizontal piping as shown
Hole for in figure below. Be sure to plug in the drain hose until the insulating material folds upon
Mark
pipe
itself.
Please use pliers to pull out the drain cap.
(This is an easier way to remove the drain cap).
Drain cap
Remove the cap for drain hose installation
CAUITON
HORIZONTAL & DOWNWARD PIPING – MAKING OPENINGS
Outdoor
CAUITON
During horizontal or downward piping, use a knife to cut
2~5mm
openings as shown in figure. Then smoothen the edges
Be sure that the wire is not
of openings with a file.
in contact with any metal
in the wall. Please use the
Pipe
protection pipe as wire
support
Seal with
putty
passing through the hollow
part of the wall so as to
prevent the possibility of
damaged by mouse.

THE CHOICE OF MOUNTING SITE

The unit should be mounted at stable, non-vibratory location which can provide
full support to the unit.
No nearby heat source and no obstruction near the air outlet is allowed.
The installation height should be at least 2.3m or more from the floor.
Names of Indoor Components
No Component's Name
Mounting Plate
1
Screw for Mounting Plate
2
( 4 . 1 x 3 2 )
AAA Size Battery
3
Remote Controller
4
Bush
5
(Only RAC-X13HAK)
Drain pipe
6
Heat insulating materials
7
Items & are included in the package of the outdoor unit.
5 6
Dimension of Mounting Stand
of the outdoor unit
(unit : mm)
500
698
F ( r o X10HAK )
500
750
F ( r o X13HAK )
Power line, pipe and
drain hose must be
tied together with
plastic tape.
Please pull the lower part
of the
Mounting
Lift the body
Plate outwards to check if the
Coolant pipe of the unit
unit is hooked onto the
upwards and
Projection
then force mounting plate. Improper
it downwards.
installation may cause
Power Cord
vibration and noise.
Hook
Drain cap Drain hose
Drain hose
Drain cap
Drain hose
Please insert
Please insert
until here
until here
Condensed water may leak out if not inserted properly.
Transform the piping while holding down the lower portion
of pipe-support by hand.
Pull up the pipe after
bending downward
(Please note the following matters and obtain permission from customer before installation).
WARNING
The air blown out of the unit should not point directly to animals or plants.
Do not install at a location where there is flammable gas, steam, oil and smoke.
The Length of Indoor Unit
Qty
Figure showing the Installation
Power Cord
of Indoor and Outdoor Unit.
about
0.9m about 1.6m
1
Do not alter the power cord.
Be sure to
completely
6 seal any
gap with
putty.
Cut away shaded
portion, and finish
the edge of the
2
opening so that
20
there is no burr.
Direction of Piping
1
Horizontally
perpendicular
to the unit
Connection
1
There are 4 directions
allowed, namely, horizontally
perpendicular to the unit,
vertically down from right,
1
horizontally out from right and
horizontally out to left.
Don't form the piping
downward at the left of the unit.
1
above 200mm
45
above 300mm
above 700mm
50

INSTALLATION OF COOLANT PIPES AFTER CONNECTION

The coolant pipes should be adjusted to fit 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.
Connect the power cord.
After adjustment, fit the power cord and pipes into
the space available under the indoor unit.
CAUITON
indoor unit
Pipe
THE CONNECTION OF COOLANT PIPE DURING THE
INSTALLATION OF INDOOR UNIT
Preparation To Install Coolant Pipes
Coolant pipes and power cord must be tied together.
The front part of the coolant pipes are at locations
marked with " " symbol.
0.85m
Installation
Hang the indoor unit onto the mounting plate. 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.
Insulate the connecting portion of coolant pipe with insulator.
Connect the power cord.
After adjustment, the power cord and coolant pipes are placed
into the space available under the indoor unit.
The projection of indoor unit must hook to the mounting
plate.
Heat insulation
pipe
Pull this to the front
during the connection
Coolant pipes
of coolant pipes to
Power cord ease task.
3

Installation of Drain Hose

Openings
Bending Stagment
upwards water
You are free to choose the side (left or right) for the installation of drain
hose. Please ensure the smooth flow of condensed water of the indoor
CAUTION
unit during installation. (Carelessness may result in water leakage.)
above 50mm
above 250mm
above 100mm
The refrigerating machine oil
is easily affected by moisture.
Use caution to prevent water
from entering the cycle.
The difference in height
between the indoor and
outdoor unit should be
kept below 5m.
The connecting pipe, no
matter big or small,
should all be insulated
with insulation pipe and
then wrapped with plastic
tape. (The insulator will
deteriorate if it is not
wrapped with tape).
above 100mm
The connection of insulated
give clearance
drain hose.
as wide as possible
above 200mm
Please use insulated drain
hose for the indoor piping
(commercial product).
Drain hose
Pipe
Power cord
CAUITON
The rubber strap used for
fixing the insulator should
not be tied with great force.
Otherwise, this will damage
heat insulation and causes
water condensation.
Rubber strap tied with great force
Pipe
CAUITON
Please fix in the plastic
core after flaring to avoid
plastic chips entering the
pipes.
below
5mm
Please bend at a small
radius to form an arc
Temporary stand
Projection
Hook
about 15cm
Protection
pipe
Drain Connected
hose
terminals
Power cord
of coolant
pipes
CAUITON
Be sure that the
drain hose is not
loosely connected
Stagment
Drain
or bent.
water