Hitachi airHome RAD-DJ50QHAE Installation Manual

INSTALLATION
Flare nut must use a torque wrench without fail. Tighten with the specifi ed tightening torque. If the fl are nut is
MANUAL
tightened too much, after a long period of time, the fl are nut breaks, Gas leakage, stagnation, touching fi re,
rarely cause ignition.
Sharp bending of the pipe use the polyethylene rod, bend not crushed the pipe. Gas leakage from the crushed
part, stagnation, touching fi re, rarely cause ignition.
Please request your sales agent or qualifi ed technician to install your unit. Water leakage, short circuit or fi re
Home
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 fi re.
Ducted
A brazed, welded, or mechanical connection shall be made before opening the valves to permit refrigerant to
fl ow between the refrigerating system parts. A vacuum valve shall be provided to evacuate the interconnecting
pipe and/or any uncharged refrigerating system part.
Mechanical connectors used indoors shall comply with ISO 14903. When mechanical connectors are reused
indoors, sealing parts shall be renewed. When fl ared joints are reused indoors, the fl are part shall be re-fabricated.
SPLIT UNIT AIR CONDITIONER
Refrigerant tubing shall be protected or enclosed to avoid damage.
Make sure that the units are mounted at locations which are able to provide full support to the weight of the
INDOOR UNIT
units. If not, the units may collapse and impose danger.
RAD-DJ50QHAE Observe the rules and regulations of the electrical installation and the methods described in the installation
RAD-DJ60QHAE manual when dealing with the electrical work. Use power cables approved by the authorities of your country.
Be sure to use the specifi ed wire for connecting the indoor and outdoor units. Please ensure that the connections
RAD-DJ70QHAE
are tight after the conductors of the wire are inserted into the terminals. Improper insertion and loose contact
may cause over-heating and fi re.
EN INSTRUCTION MANUAL Please use the specifi ed components for installation work. Otherwise, the units may collapse or water leakage,
electric shock and fi re may occur.
Be sure to use the specifi ed piping set for R32. Otherwise, this may result in broken copper pipes or faults.
When installing or removing an air conditioner, only specifi ed refrigerant (R32) shall be allowed, do not allow
air or moisture to remain in the refrigeration cycle. Otherwise, pressure in the refrigeration cycle may become
FOR SERVICE
abnormally high so that a rupture may be caused.
PERSONNEL ONLY
Be sure to ventilate fully if a refrigerant gas leak while at work. If the refrigerant gas comes into contact with
fi re, a poisonous gas may occur. Be aware that refrigerants may not contain an odour.
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 fi re in the fan-driven heater, space heater, etc., a poisonous
gas may occur.
● Carefully read through the procedures of
proper installation before starting installation Unauthorized modifi cations to the air conditioner may be dangerous. If a breakdown occurs please call a qualifi ed
work. air conditioner technician or electrician. Improper repairs may result in water leakage, electric shock and fi re, etc.
● The sales agent should inform customers
regarding the correct operation of installation.
A circuit breaker or fuse must be installed. Without a circuit breaker or fuse the danger of electric shock exists.
Tools Needed For Installation Work
The external switch shall be incorporated to completely disconnect from power supply. It should disconnect all
+ – Screwdriver ● Measuring Tape poles, and a contact separation of at least 3mm must be present.
Do not install the unit near a location where there is fl ammable gas. The outdoor unit may catch fi re if fl ammable
Knife Saw ø 65mm Power Drill
● ● ●
gas leaks around it.
● Allen Key ( 4mm)
Do not install the indoor unit in a machine shop or kitchen where vapor from oil or its mist fl ows to the indoor
Wrench (14, 17, 19, 22, 24, 27mm) unit. The oil will deposit on the heat exchanger, thereby reducing the indoor unit performance and may deform
●
and in the worst case, break the plastic parts of the indoor unit.
● Gas Leakage Detector ● Pipe Cutter
Please ensure smooth fl ow of water when installing the drain hose.
Plastic Tape Pliers Flare Tool
● ● ● Piping shall be suitable supported with a maximum spacing of 1m between the supports.
(50/60QHAE) Refrigerant pipe size (outer diameter): Narrow pipe, Liquid (ø6.35mm); Wide pipe, Gas (ø12.70mm)
(70QHAE) Refrigerant pipe size (outer diameter): Narrow pipe, Liquid (ø6.35mm); Wide pipe, Gas (ø15.88mm)
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.
< SIA2371: A >
1 Opening on ceiling & suspension bolt
980 (for Suspension Bolt)
(for Suspension Bolt)
(Gas pipe)
(Drain pipe)
(Liquid pipe)
Need a connect for refrigerant pipe, drain pipe and F cable in the ceiling after suspending the indoor unit. Arrange the
drain pipe, refrigerant pipe and F cable in their installation position.
For fi nishing the opening on the ceiling, arrange with the builder in detail.
If the ceiling is already completed, connecting cables between indoor and outdoor, piping and drain piping must be done
before the fi tting indoor unit.
2 Preparation for installing indoor unit
Installation of suspension bolts
Make sure to reinforce furring of ceiling (frame : ceiling joints and supporter) to maintain level of ceiling and prevent vibration
of ceiling plate.
Suspension bolts should be purchased in the fi eld.
Refer to diagrams shown below for length of suspension bolts.
In case of wooden frame In case of steel frame
60 ~ 90mm square piece of lumber
150 ~ 160mm
Reinforcing
bar
Angle Suspension bolt (M10)
Nut
Angle
Nut
Angle
Suspension
bolt (M10)
Ceiling
<IA2371: A >
!
WARNING
! CAUTION
Unit : mm
Wired remote controller Wireless remote controller
(optional) (optional)
Refrigerant Gas Pipe Connection
Refrigerant Liquid Pipe Connection
Drain Pipe Connection
(Unit : mm)
Insert 980 ~ 1470N
(100 ~ 150kgf)
Bend slip-
preventive metal
C type
metal
Concrete
Long nut
Suspension bolt
(M10)
Hanger bolt
H beam
Suspension
Suspension
bolt (M10)
bolt (M10)
Ceiling
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.
CAUTION
!
No nearby heat source and no obstruction near the air outlet
is allowed.
The clearance distances from top, right and left are specifi ed
in fi 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 fl 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.
Accessories to indoor Unit:
No. Component's Name Q'ty
Washer (M10)
8
1
Screw (4mm) Electrical Box
16
2
Hose Clamp
1
3
Rear Side
Insulation (22IDx130)
1
4
Insulation (43IDx130)
Front Side
Min.
(130)
1
5
600
Min. 600
Binder View from Top
10
6
Refrigerant piping must be protected
Filter Holder
from physical damage. Install a plastic
2
7
cover or equivalent.
Screw for Filter Holder
! CAUTION
8 2
Install the indoor unit
with a proper clearance
around it for operation and
! CAUTION
maintenance working space.
In case that the ceiling
Discharge grille and suction
board can not be detected
grille shall be covered by
for servicing, prepare a
insulation material to prevent
service access door below
water drop.
the indoor unit for removing
the indoor unit.
Other optional parts for display panel
wired remote controller & wireless remote
controller SPX-URFG & SPX-RKD800
No. Item Quantity
1 Display panel 1
Panel installation plate 1
2
Panel cover 1
3
Remote controller kit (wireless) 1
4
Remote controller kit (wired) 1
5
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 gaps in the sleeve of protection pipe should be completely sealed with putty to avoid dripping of rain water into the
room.
Indoor Outdoor
2 ~ 5mm
Seal with putty
Seal with
putty
Protection pipe
Sleeve of
protection pipe
WALL
Drain pipe installation
Prepare polyvinyl chloride pipe with a 32mm outer diameter.
Be sure to roll an insulation (thickness 10mm or more) for the drain pipe at indoor side.
Always draw the drain pipe downward so that water fl ows smoothly. Fix it (ex. by hanger) to prevent a peak and trap.
Downward 1/25 ~ 1/100
Seal
Insulation (Thickness
10mm or more)
In case drain piping cannot be done smoothly due to obstacles, it can also be arranged outside of the main unit as shown
in the drawing below.
Maximum drain-up length shall not more than 500mm height.
Suspension Bracket
(Field-Supplied)
90° Elbow Pipe (VP25)
(Field-Supplied)
Lift Piping For Drain-Up
(PVC Tube, VP25)
(Field-Supplied)
90° Elbow Pipe (VP25)
(Field-Supplied)
Indoor Unit
Drain Pan
Drain Pump
When the relative humidity of inlet or ambient air exceeds 80%, apply an (fi eld-supplied) auxiliary drain pan beneath the
indoor unit as shown below:
Auxiliary Drain Pan
(Field-Supplied)
WARNING
This symbol shows that this equipment uses a
fl ammable refrigerant.
If the refrigerant is leaked, together with an external
ignition source, there is a possibility of ignition.
CAUTION
This symbol shows that the Operation Instructions
should be read carefully.
CAUTION
This symbol shows that a service personnel should
be handling this equipment with reference to the
Installation Manual.
CAUTION
This symbol shows that there is information
included in the Operation Manual and/or Installation
Manual.
Figure showing the Installation of Indoor Unit.
Service Access
Door (Min. 450)
The indoor piping should be insulated with the
enclosed insulation pipe. (If the insulator is
insuffi cient, please use commercial products.)
Be sure to
completely
seal any
gap with
putty.
Drain pipe
Must be installed separately.
Insulate indoor part of pipe
to prevent condensation.
The difference in height
between the indoor and
outdoor unit should be
kept below 20m.
The connecting pipe,
no matter big or small,
should all be insulated
CAUTION
!
with insulation pipe and
Always install the indoor then wrapped with vinyl
tape. (The insulator will
unit level. Units not
deteriorate if it is not
installed level may leak.
wrapped with tape).
! CAUTION
Make 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.
! WARNING
Use a protection pipe (commercial product) to protect
against the following:
-Connecting cables touching the metal lath inside
the wall.
-A possibility where a mouse can bite the cables, as
these can cause an electrical shock or fi re.
-Incomplete sealing, as high humidity can cause
the water to drip.
Trap
No insulation
Stagnant water
Drain Piping (PVC Tube, VP25)
(Field-Supplied)
1/25 to 1/100 Down-Slope
Hose Clamp
To the Atmosphere