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FOR SERVICE PERSONNEL ONLY
HITACHI SPLIT-UNIT AIR CONDITIONER
INSTALLATION MANUAL
Indoor Unit
Outdoor Unit
RAS-S10CC
RAC-S10CC
RAS-5115CC
RAC-5115CC
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 way of
operating the unit as described in the user's guide.
●
Please request your sales agent or qualiÀ ed technician to install your unit. Water leakage, short circuit or À 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 À 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 wire which is speciÀ ed for the air conditioner. A short circuit
and À re may occur due to the use of low quality wire or improper work.
●
Be sure to use the speciÀ 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 À re.
●
Please use the speciÀ ed components for installation work. Otherwise, the units may collapse or water leakage,
electric shock and À re may occur.
●
Do not mix any coolant other than R-22 into the cooling circulation path when mounting or shifting the unit. If it
is mixed with air, the high pressure in the circulation path will rise and this may result in broken copper pipes
or faults.
Be sure to use the earth line. Do not place earth line near gas or water pipes, lightning conductor
●
and the earth line of telephone. Improper earthing may cause electric shocks.
●
A circuit breaker should be installed depending on the mounting size of the unit. Without a circuit breaker, the
danger of electric shock exists.
●
Do not install the unit near a location where there is Á ammable gas. The outdoor unit may
catch À re if Á ammable gas leaks around it.
Please ensure smooth Á ow of water when installing the drain hose.
●
1
Installation of Hanger, Wall Penetration and Installation of Protection Pipe
CAUTION
●
The draining of the water container inside the indoor unit can be done from the
left. Therefore the hanger must be À xed horizontally or slightly tilted towards the
side of drain hose. Otherwise, condensed water may overÁ ow the water container.
Direct Mounting On The Wall
●
Please use hidden beams in the wall to hold the hanger.
Procedures of Installation and Precautions
●
Procedures to À x the hanger.
1. Drill holes on wall.
2. Push plug into the holes.
(As shown below)
(As shown below)
●
Procedures to À x the holder of remote control.
1. Drill holes on wall.
2. Push plug into the holes.
(As shown below)
(As shown below)
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.
<
>
IA1016: A
Carefully read through the procedures of proper
●
installation before starting installation work.
●
The sales agent should inform customers regarding
the correct operation of installation.
Tools Needed For Installation Work
(
mark is tool exclusive use for R410A)
●
●
+
– Screwdriver
Measuring Tape
●
●
Pipe Cutter
Hexagonal Wrench Key (
●
Power Drill (ø 65mm ~ ø 80mm)
●
●
Pliers or Wrench
Torque Wrench
Adaptor
Flare Tool
Gas Leakage Detector
Manifold Valve
Charge Hose
WARNING
CAUTION
2
Installation of the Indoor Unit
VERTICALLY DOWNWARD PIPING
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.
●
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 À gure)
3. Fix the hanger on wall
with 4.1 x 32 screw
HORIZONTAL PIPING
(As shown in À gure below)
Preparation
Change of Drain Hose and Installation Procedures.
●
Exchange the location of drain hose and drain cap during horizontal piping as shown in
À 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).
WARNING
CAUTION
Be sure that the wire is not
HORIZONTAL & DOWNWARD PIPING – MAKING OPENINGS
in contact with any metal
in the wall. Please use
●
During horizontal or downward piping, use a knife to cut
the protection pipe as wire
openings as shown in À gure. Then smoothen the edges of
passing through the hollow
part of the wall so as to
openings with a À le.
prevent the possibility of
damaged by mouse.
Unless it seals completely,
any air with high humidity
flows from outdoor and
any dew may drop.
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 clearance distances from top, right and left are speciÀ ed in
À gure below.
●
The location must be convenient for water drainage and pipe
●
●
Knife
Saw
connection with the Outdoor unit.
4mm)
●
To avoid interference from noise please place the unit and its
●
Vacuum Pump
remote controller at least 1m from the radio, television and inverter
Vacuum Pump
type Á 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.
Names of Indoor Components
No.
Component's Name
Mounting Plate
1
Screw for Mounting Plate
2
( 4 . 1 x 3 2 )
Holder for Remote
Controller
3
AAA Size Battery
4
Screw for holder of Re-
mote Controller
5
( 3 . 1 x 1 6 )
Remote Controller
6
Purifying Filter
7
Dimension of Mounting Stand
of the outdoor unit
(unit : mm)
CAUTION
Please pull the lower
part of the Indoor unit
outwards to check if
the unit is hooked onto
the hanger. Improper
installation may cause
vibration and noise.
HOW TO REMOVE INDOOR UNIT
Condensed water may leak out if not inserted properly.
●
Turn the piping while holding down the lower
portion of pipe-support by hand.
(Please note the following matters and obtain permission from customer before installation).
WARNING
●
The outdoor unit must be mounted at a location which can support
heavy weight. Otherwise, noise and vibration will increase.
CAUTION
●
Do not expose the unit under direct sunshine or rain. Besides,
ventilation 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
speciÀ ed in À gure below. At least three 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 Á ammable gas, steam,
oil and smoke.
●
The location must be convenient for water drainage.
●
Place the outdoor unit and its connection wire 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.
The Length of Indoor Unit
Qty
Power Cord
Figure showing the Installation
of Indoor and Outdoor Unit.
1
Do not alter the power cord.
CAUTION
In case the pipe length is more than 8m, add refrigerant R22 at
6
15 gram per every meter exceeds. However, pipe length shall
not exceed 15m.
1
Be sure to
Direction of Piping
completely
seal any
gap with
putty.
2
T h e r e a r e 4 d i r e c t i o n s
2
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
1
at the left of the unit.
2
INSTALLATION OF REFRIGERATING PIPES AFTER CONNECTION
●
The refrigerating 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. Then the
pipes are wrapped with insulation pipe.
●
Connect the connecting cord after removing electrical
cover. (Refer to "CONNECTION OF POWER CORD")
●
After adjustment, À t the connecting cord and pipes
into the space available under the indoor unit. Use
holder to hold them tight.
●
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
●
The refrigerating pipes and connecting cord
transform and are attached.
●
The end of the refrigerating pipes are at locations
marked with "
" symbol.
0.85m
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.
Heat insulation pipe
Pull this to the front
during the connection
Connecting
of refrigerating pipes
cord
to ease task.
Refrigerating pipe
3
Installation of Drain Hose
You are free to choose the side (left or right) for the installation of drain
hose. Please ensure the smooth Á ow of condensed water of the Indoor
CAUTION
unit during installation. (Carelessness may result in water leakage.)
WARNING
CAUTION
CAUTION
●
The installation height of indoor
unit must be 2.3m or more.
The indoor piping should be
insulated with the enclosed
insulation pipe. (If the
insulator is insufficient,
please use commercial
products).
The connection of insulated
drain hose.
Please use insulated drain
hose for the indoor piping
(commercial product).
CAUTION
●
The rubber strap used for
À xing the insulator should
not be tied with great force.
Otherwise, this will damage
heat insulation and causes
water condensation.
CAUTION
●
Please À x in the plastic core
after Á aring to avoid plastic
chips entering the pipes.
CAUTION
Be sure that the
drain hose is not
loosely connected
or bend.
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Summary of Contents for Hitachi RAS-S10CC
-
Page 1: Safety Precaution
The sales agent should inform customers regarding CAUTION CAUTION the correct operation of installation. HITACHI SPLIT-UNIT AIR CONDITIONER ● ● No nearby heat source and no obstruction near the air outlet is Do not expose the unit under direct sunshine or rain. Besides, INSTALLATION MANUAL ventilation must be good and clear of obstruction. -
Page 2: Wiring Of The Indoor Unit
Preparation of Pipe Removal Of Air From The Pipe And Gas Leakage Inspection ● Please mount the Outdoor unit on stable ground to prevent vibration and increase of noise level. ● Use a pipe cutter to cut the copper pipe. Procedures of using Vacuum Pump for Air Removal ●...