Hitachi RCD-1.0FSN User manual

RCD UNIT
ENGLISH
ESPAÑOL
DEUTSCH
FRANÇAIS
ITALIANO
PORTUGUÊS
DANSK
NEDERLANDS
SVENSKA
EVVHNIKA
Read and understand this anual before using this air conditioner. Keep this anual for future reference.
Lea cuidadosa ente este anual antes de poner en archa el equipo de aire acondicionado. Guarde este anual en un lugar seguro por si
necesita consultarlo en el futuro.
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Rückfragen aufbewahren.
Lire attentive ent ce anuel avant taute utilization du cli atiseur, et le conserver pour référence ultérieure
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De bor laese og forsta denne vejledning, for de tager dette dli aanlaeg i brug. Opbervar vejledningen til senere reference.
Lees deze hadleiding aandachtig door alvorens de airconditioning in gebruik te ne en.
Läs och första denna anual innan Du sätter igang luftkonditioneraren. Förvara denna anual förvara denna anual för fra tida behow.
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INSTALLATION MANUAL
MANUAL DE INSTALACIÓN
INSTALLATIOSANLEITUNG
MANUEL D’INSTALLATION
MANUALE DI INSTALLAZIONE
2-WAYS CASSETTE TYPE:
RCD-1.0FSN
RCD-1.5FSN
RCD-2.0FSN
RCD-2.5FSN
RCD-3.0FSN
RCD-4.0FSN
RCD-5.0FSN
MANUAL DE MONTAGEM
INSTALLATIONSVE LEDNING
INSTALLATIEHANDLEIDING
AIRCONDITIONING
INSTALLATIEHANDLEIDING
ERXEIPIAIO ERKAAETAEHE
Библиотека СОК 

ÕDANGER – Immediate hazard which WILL result in severe injury or death.
PELIGRO – Riesgos inmediatos que PRODUCIRÁN lesiones personales graves e incluso la muerte.
GEFAHR – Unmittelbare Gefahrenquellen, die zu schweren Verletzungen oder zum Tod führen.
DANGER – Dangers instantanés de blessures corporelles sévères ou de mort.
PERICOLO – Pericolo immediato che PRODURRÀ ferite gravi o la morte.
PERIGO – Problemas imediatos que IRÃO resultar em graves ferimentos pessoais ou morte.
FARE – Overhængende fare, som VIL resultere i alvorlig personskade eller dødsfald.
GEVAAR – Onmiddellijke risico's die ernstige persoonlijke verwondingen of de dood ten gevolge kunnen hebben.
FARA – Omedelbar risk som medför svår personskada eller död.
KINAYNO – DZµİıȠȢ țȓȞįȣȞȠȢ ʌȠȣ Ĭǹ ȑȤİȚ ȦȢ ĮʌȠIJȑȜİıµĮıȠȕĮȡȑȢ ıȦµĮIJȚțȑȢ ȕȜȐȕİȢ ȒșȐȞĮIJȠ.
ÔWARNING – Hazards or unsafe practices which COULD result in severe personal injuries or death.
AVISO – Riesgos o prácticas poco seguras que PODRÍAN producir lesiones personales e incluso la muerte.
WARNUNG – Gefährliche oder unsichere Anwendung, die zu schweren Körperverletzungen oder zum Tod
führen kann.
ATTENTION – Utilisation dangereuse ou sans garantie de sécurité qui PEUT provoquer de sévères blessures
personnelles ou la mort.
AVVISO – Pericoli o azioni pericolose che POTREBBERO avere come esito lesioni fisiche gravi o il decesso.
AVISO – Riesgos o prácticas poco seguras que PUEDEN producir lesiones personales e incluso la muerte
ADVARSEL – Farer eller farlig brug, som KAN resultere i alvorlig personskade eller dødsfald.
WAARSCHUWING – Gevaren of onveilige praktijken die ernstig persoonlijk letsel of de dood tot
gevolg KUNNEN hebben.
VARNING – Risker eller osäkra tillvägagångssätt som KAN leda till svåra personskador eller dödsfall.
ȆȇȅǼǿǻȅȆȅǿǾȈǾ – ȀȓȞįȣȞȠȚ ȒİʌȚțȓȞįȣȞİȢ ʌȡĮțIJȚțȑȢ, ȠȚ ȠʌȠȓİȢ ȂȆȅȇǼǿ ȞĮ ȑȤȠȣȞ ȦȢ ĮʌȠIJȑȜİıµĮıȠȕĮȡȑȢ
ıȦµĮIJȚțȑȢ ȕȜȐȕİȢ ȒșȐȞĮIJȠ.
CAUTION – Hazards or unsafe practices which COULD result in minor personal injury or product or property damage.
PRECAUCIÓN – Riesgos o prácticas poco seguras que PODRÍAN provocar lesiones personales de menor
importancia o daños en el producto u otros bienes.
VORSICHT – Gefährliche oder unsichere Anwendung, die geringfügigen Personen-, Produkt- oder Sachschaden
verursachen kann.
PRECAUTION – Utilisation dangereuse ou sans garantie de sécurité qui PEUT provoquer des blessures mineures
ou des dommages au produit ou aux biens.
ATTENZIONE – Pericoli o azioni pericolose che POTREBBERO avere come esito lesioni fisiche minori o danni
al prodotto o ad altri beni.
CUIDADO – Perigos e procedimentos perigosos que PODERÃO PROVOCAR danos pessoais ligeiros ou danos
em produtos e bens.
FORSIGTIG – Farer eller farlig brug, som KAN resultere i mindre skade på personer, produkt eller ejendom.
LET OP – Gevaren of onveilige praktijken die licht persoonlijk letsel of beschadiging van het product
of eigendommen tot gevolg KUNNEN hebben.
VARSAMHET – Risker eller farliga tillvägagångssätt som KAN leda till mindre personskador eller skador
på produkten eller på egendom.
ȆȇȅȈȅȋǾ – ȀȓȞįȣȞȠȚ ȒİʌȚțȓȞįȣȞİȢ ʌȡĮțIJȚțȑȢ, ȠȚ ȠʌȠȓİȢ ȂȆȅȇǼǿ ȞĮ ȑȤȠȣȞ ȦȢ ĮʌȠIJȑȜİıµĮIJȘȞ ʌȡȩțȜȘıȘ
İȜĮijȡȫȞ ıȦµĮIJȚțȫȞ ȕȜĮȕȫȞ ȒțĮIJĮıIJȡȠijȒ ʌİȡȚȠȣıȓĮȢ.

IMPORTANT NOTE: The FSNE units refered in this manual can be operated with R407C or R410A depending on
Outdoor Unit Combination. Refer to the system information located in the manual of the
Outdoor Unit.
NOTA IMPORTANTE: Las unidades FSNE a las que se hace referencia en este manual pueden funcionar con
R407C o R410A en función de la Unidad Exterior. Consulte la información sobre el sistema
en el manual de la Unidad Exterior.
WICHTIGER HINWEIS: Die in diesem Handbuch beschriebenen FSNE-Einheiten können je nach angeschlossener
Kompressoreinheit mit R407C oder R410A betrieben werden. Siehe dazu die
Geräteinformation der Kompressoreinheit.
NOTE IMPORTANTE : Les unités FSNE dont il est question dans ce manuel, peuvent fonctionner avec du R407C ou
du R410A, en fonction de l'Unité Extérieure. Se reporter aux informations relatives au
système figurant dans le manuel de l'Unité Extérieure.
NOTA IMPORTANTE: Le unità FSNE a cui si fa riferimento nel presente manuale possono funzionare con il modello
R407C o R410A a seconda dell'unità per esterni associata. Fare riferimento alle informazioni
sul sistema presenti nel manuale dell'Unità per esterni.
NOTA IMPORTANTE: As unidades FSNE referidas neste manual podem funcionar com R407C ou R410A
dependendo da Combinação da Unidade Exterior. Consultar a informação do sistema no
manual da Unidade Externa.
VIGTIG INFORMATION: FSNE-enhederne, som er nævnt i denne manual, kan betjenes med R407C eller R410A, alt
afhængig af kombinationen af udendørsenheder. For yderligere oplysninger henvises til
udendørsenhedens brugervejledning.
BELANGRIJKE OPMERKING: De FSNE units waarnaar in deze handleiding wordt verwezen kunnen worden bediend met
R407C of R410A, afhankelijk van de combinatie met een buitenunit. Zie de systeeminformatie
in de handleiding van de buitenunit.
VIKTIGT! FSNE-enheten som syftas till i denna handbok kan användas med R407C eller R410A
beroende av kombinationen av utomhusdelen. Syftar till systeminformation som finns i
handboken för Utomhusdelen.
ȈǾȂǹȃȉǿȀǾ ȈǾȂǼǿȍȈǾ:ȅȚ µȠȞȐįİȢ FSNE, ʌȠȣ ĮȞĮijȑȡȠȞIJĮȚ ıİ ĮȣIJȩ IJȠ İȖȤİȚȡȓįȚȠ, µʌȠȡȠȪȞ ȞĮ ȜİȚIJȠȣȡȖȒıȠȣȞ µİ
R407C ȒR410A ĮȞȐȜȠȖĮ µİIJȠ ıȣȞįȣĮıµȩIJȘȢ İȟȦIJİȡȚțȒȢ µȠȞȐįĮȢ. ǹȞĮIJȡȑȟIJİ ıIJȚȢ
ʌȜȘȡȠijȠȡȓİȢ ıȣıIJȒµĮIJȠȢ, ʌȠȣ ȕȡȓıțȠȞIJĮȚ ıIJȠ İȖȤİȚȡȓįȚȠ IJȘȢ İȟȦIJİȡȚțȒȢ µȠȞȐįĮȢ.

1
NAME OF PARTS
1
1. NAME OF PARTS
 RCD
No. Part Name
1Fan
2 Fan Motor
3Heat Exchanger
4 Distributor
5 Expansion Valve
6Electric Control Box
7 Gas Refrigerant Connection
8 Liquid Refrigerant Connection
9Drain Pipe Connection
10 Motor for Drain discharge Mechanism
11 Float Switch
12 Drain Pan
13 Panel
14 Air Filter
15 Air Outlet
16 Air Inlet
Model Panel
RCD-(1.0~3.0) P-G23DWA1
RCD-(4.0~5.0) P-G46DWA1
2. UNITS INSTALLATION
ÔWARNING:
- Check to ensure that the accessories are packed with
the indoor unit.
- Do not install the indoor units outdoors. If installed
outdoors, an electric hazard or electric leakage will
occur.
- Consider the air distribution from each indoor unit to
the space of the room, and select a suitable location
so that uniform air temperature in the room can be
obtained. It is recommended that the indoor units be
installed 2.3 to 3 meters from the floor level. If the unit
is installed higher than 3 meters, it is also
recommended that a fan be utilised to obtain uniform
air temperature in the room.
- Avoid obstacles which may hamper the air intake or
the air discharge flow.
- Pay attention to the following points when the indoor
units are installed in a hospital or other places where
there are electronic waves from medical equipment,
etc.
- Do not install the indoor units where electromagnetic
wave is directly radiated to the electrical box, remote
control cable or remote control switch.
- Prepare a steel box and install the remote control
switch in it. Prepare a steel conduit tube and wire the
remote control cable in it. Then connect the ground
wire with the box and tube.
- Install a noise filter when the power supply emits
harmful noises..
- This unit is exclusive non electrical heater type indoor
unit. It is prohibited to install a electrical heater in the
field.
- Mount suspension bolts using M10 (W3/8) as size, as
shown below:
- Do not put any foreign material into the indoor unit
and check to ensure that none exist in the indoor unit
before the installation and test running. Otherwise a
fire or failure, etc., may occur.
CAUTION:
- Do not install the indoor units in a flammable
environment to avoid a fire or an explosion.
- Check to ensure that the ceiling slab is strong
enough. If not strong enough, the indoor unit may fall
down on you.
- Do not install the indoor units, outdoor unit, remote
control switch and cable within approximately 3
meters of strong electromagnetic wave radiators such
as medical equipment.
- Do not install the indoor units in a machinery shop or
kitchen where vapor from oil or mist flows to the
indoor units. The oil will deposit on the heat
exchanger, thereby reducing the indoor unit
performance, and may deform. In the worst case, the
oil damages the plastic parts of the indoor unit.
- To avoid any corrosive action to the heat exchangers,
do not install the indoor units in an acid or alkaline
environment.
- When lifting or moving the indoor unit, use
appropriate slings to avoid damage and be careful not
to damage the insulation material on units surface.
Square
washers
Wooden Bar
(60 mm to 90 mm Square)
Wooden Beam Sling Bolt
(W3/8 or M10)
For Concrete Slab
150~160mm
Concrete
Anchor Bolt
Steel
I-Beam
Suspension Bolts
(W3/8 or M10)
Nuts

2
2
UNITS INSTALLATION
2.1. UNIT INSTALLATION
2.1.1. FACTORY-SUPPLIED ACCESSORIES
Accessory Quantity Purpose
Paper Pattern
(Carton Board) 1
Level Scaler
(Take out of
Paper Pattern)
1
For Adjusting
Space of False
Ceiling Opening
and Position of the
Unit
Cross Recessed
Head
Screws(M6)
6For Fitting Paper
Pattern
Flat Washer 8For Unit
Suspension
Wire Clamp 1For Drain Hose
Connection
Insulation
(26IDx100mm) 1
Insulation
(28IDx85mm) 1
For Refrigerant
Piping Connection
Cord Band
8
For Fixing Remote
Control Switch
wiring and
Insulation of Piping
Packing
(5Tx50x200)
1For Covering Wiring
Connection
2.1.2. INITIAL CHECK
- Install the indoor unit with a proper clearance around it
paying careful attention of installation direction for the
piping, wiring and maintenance working space, as shown
below.
- Provide a service access door near the unit piping
connection area on the ceiling.
- Check space between ceiling and false ceiling is enough
as indicated below.
- Check the ceiling surface is flat for the air panel
installation work.
- Check down slope Pitch of Drain Piping is following the
specifications indicated in chapter Drain Piping.
2.1.3. OPENING OF FALSE CEILING
- Cut out the area for the indoor unit in the false ceiling and
install suspension bolts, as shown below :
Model A (mm) B (mm)
RCD-1.0
RCD-1.5
RCD-2.0
RCD-2.5
RCD-3.0
1060 890
RCD-4.0
RCD-5.0 1620 1450
- Check to ensure that the ceiling is horizontally level,
otherwise water can not flow.
- Strengthen the opening parts of the false ceiling.
Service Access Panel
Piping
connection
Service Access Panel
Piping
Connection
A
(Opening)
B (Suspension)
Panel
Piping
Piping
Wireless Receiver,
with Wireless Receiver Type
Suspension
670 (Opening)
540 (Suspension)
A
ir Panel (Option)
Indoor
unit

2
UNITS INSTALLATION
3
2.1.4. INSTALLATION
 Mounting of Suspension Brackets (Factory-
Supplied)
- Mount the suspension brackets to the suspension bolts
and fix them with nuts (Factory -Supplied), as shown
below
 Mounting of Indoor Unit
- Lift the indoor unit by hoist, and do not apply any force on
the drain pan.
- Hook the indoor unit on the suspension brackets.
- Fix the unit using the nuts, flat washers and spring
washers (These nuts and washers are supplied (4 pieces
each)).
 Adjusting of Space Between Indoor Unit and
False Ceiling Opening.
- Adjust the indoor unit to the correct position while
checking with the installation pattern and gauge (factory-
supplied) as shown below.
ÓCAUTION:
- Check the level of the unit using a water level or
transparent plastic tube containing water, as shown
below, to avoid incorrect operation of the drain
discharge mechanism in the indoor unit. The drain
piping side of the indoor unit must be approximately
5 mm lower than the other parts.
- Tighten the nuts of the suspension brackets after
adjustment is completed. Apply LOCK-TIGHT paint* to
the bolts and nuts in order to prevent them from
loosening. If not done, abnormal noises or sounds
may occur and the indoor unit may fall down.
LOCK-TIGHT paint*: Paint the lock bolts and nuts.
Adjust the indoor unit to the correct position while checking
with the checking scales (factory-supplied).
2.1.5. AIR PANELS FOR INSTALLATION
P-G23DWA1, P-G46DWA1
ÓCAUTION:
When the air panel is unpacked, place it on insulation
material, etc. to protect the sealing insulation from
scratches.

Factory-Supplied Accessories
Check to ensure that the following accessories are packed
with the air panel.
Accessory Quantity Purpose
Long Screw (A)
(M6×50) 4 For Fixing Panel
Long Screw (B)
(M6×30) 2For Fixing Panel
(only for P-G46)
Suspension Bolts (Field-Suppl.)
Nut (Field-Supplied)
Washer (Field-Supplied)
Nut (Field-Supplied)
Washer (Field-Supplied)
Suspension Bracket
Ceiling
Approx.50
115
Approx. 60
(mm)
Drain Pipe
Bracket
for Panel
Clear
Vinyl Tube
A
djust 4 corners
of the unit using
clear vinyl tube
with water inside.
Paper Pattern
M6 Screw
(factory-supplied)
Suspension
Bracket
Adjustment
Range (3~4mm)
Fixing Bracket
for Panel
Fixing Bracket
for Panel
Touch to
Ceiling
Ceiling
Unit
Opening
Unit
(mm)
Suspension
Bracket
Ceiling
115
28

2
4
UNITS INSTALLATION
Check to ensure that the suspension brackets (field-
supplied) of the indoor unit are located approximately
28 mm higher than the false ceiling.

Remove Air Intake Grille from Air Panel
following the next Steps:
1. Open the air intake grille to an angle of approx. 40º from
the surface of the air panel.
2. Lift the grille keeping it inclined.
3. Draw the grille towards the open space after lifting.

Installing Air Panel following the next steps:
1. Hang the air panel from the indoor unit by hooking the U-
shaped wires of the air panel into the hook wires of the
indoor unit.
2. Check to ensure that the location of the electrical box of
the Indoor unit coincides with the location of the wiring
outlet of the air panel.
3. Raise up the air panel onto the indoor unit, then fix the air
panel by using factory-supplied long screws.
4. Check to ensure that there is no gap around the
contacting surface between the indoor unit and the air
panel. Any gap may cause air leakage or dewing.
To protect the panel from being damaged, the long screws
for securing the air panel have stoppers so that tightening is
stopped at the setting position. If the air panel does not
reach the surface of the ceiling or air leakage from the
contacting surface occurs, readjust the installation height
level of the indoor unit.
ÓCAUTION:
Do not turn the air louver by hand. If moved, the louver
mechanism will be damaged.
5. Wiring connection for Air Panel
ÓCAUTION:
Before connecting connectors, firstly turn OFF power
source. If the connectors are connected without
turning OFF the power source, the auto-swing louver
can not function.
Connect the following connectors which are used with the
air panel
Correct
A
pprox. 40º
A
ir Intake Grille
A
ir Filte
r
A
ir Panel
Wrong
Take up the grille keeping it inclined
Ceiling
Air Discharge
Air Discharge Wireless
Receiver Part
Indoor Unit
Long Screw (A) x4
(M6x50)
Long Screw (B) x 2
(M6x30, Only for P-G46)
Outlet for Electrical Wiring
Hooks
Electrical Box of Indoor Unit
Without Air Intake Grill
Electrical Box of
Indoor Unit
Printed Circuit
Board
Outlet for
Electrical
Wiring
Connector for Auto Swing Motor
(Low Voltage 7 pin, RED) (CN17)
A
ir louver

3
REFRIGERANT PIPING
5
3. REFRIGERANT PIPING
3.1. PIPING CONNECTION
3.1.1. PIPING POSITION
Position of piping connection is the following, which is available from all directions, top, left or right.
3.1.2. SIZE OF PIPING CONNECTION
 In case of R407C
(mm)
Model RCD 1.0/1.5 2.0 2.5/3.0 4.0/5.0
oGas Piping 12.7 15.88 15.88 19.05
pLiquid Piping 6.35 6.35 9.53 9.53
 In case of R410A
(mm)
Model RCD 1.0/1.5 2.0 2.5/3.0 4.0/5.0
oGas Piping 12.7 15.88 15.88 15.88
pLiquid Piping 6.35 6.35 9.53 9.53
 Special instructions for R410A
As R410 pressure is about 1.4 times higher than R407C,
improper installation may cause a serious trouble.
It is necessary to use the copper pipes, size of flare pipe
ends and flare nuts as shown below.

Thickness of Copper Pipes
(mm)
Nominal
Diameters Outer Diameters R407C R410A
1/4 6.35 0.80 0.80
3/8 9.53 0.80 0.80
1/2 12.70 0.80 0.80
5/8 15.88 1.00 1.00
 Flare Pipe Dimensions
(mm)
A
+0/-0.4
Nominal
Diameters
Outer
Diameters R407C R410A
1/4 6.35 9.0 9.1
3/8 9.53 13.0 13.2
1/2 12.70 16.2 16.6
5/8 15.88 19.4 19.7
 Flare Nut Dimensions
(mm)
B
Nominal
Diameters Outer Diameters R407C R410A
1/4 6.35 17 17
3/8 9.53 22 22
1/2 12.70 24 26
5/8 15.88 27/29 29
4. DRAIN PIPING
4.1. GENERAL
CAUTION:
- Do not create an upper-slope or rise for the drain
piping, since drain water will flow back to the unit and
leakage to the room will occur when the unit
operation is stopped.
- Do not connect the drain pipe with sanitary or sewage
piping or any other drainage piping.
- When the common drain piping is connected with
other indoor units, the connected position of each
indoor unit must be higher than the common piping.
- The pipe size of the common drain pipe must be large
enough according to the unit size and number of unit.
- Drain piping will require insulating if the drain is
installed in a location where condensation forming on
the outside of drain pipe may drop and cause
damage. The insulation for the drain pipe must be
selected to insure vapor sealing and prevent
condensation forming.
Incorrect: Upward Slope
Incorrect: Rising Part
INCORRECT
Common Drain Piping
1/25~1/100 Down Slope Drain Piping connection
CORRECT

5
6
ELECTRICAL WIRING
- Drain trap should be installed next to indoor unit. This
trap must be designed to good practice and be
checked with water (charged) and tested for correct
flow. Do not tie or clamp the drain pipe and refrigerant
pipe together.
NOTE:
Install drainage in accordance with national and local
codes.
Pay attention to the thickness of the insulation when
the left side piping is performed. If it is too thick,
piping can not be installed in the unit.
After performing drain piping work and electrical wiring,
check to ensure that water flows smoothly as in the
following procedure:

Checking with Drain-Up Mechanism and Float
Switch
- Switch ON the power supply.
- Pour approximately 1.8 liters of water into the drain pan,
then float switch up and drain pump start working
automatically.
- Check to ensure that the water flows smoothly or
whether no water leakage occurs. When water cannot
be found at the end of the drain piping, pour another
approximately 1.8 liters of water into the drain pan.
- Switch OFF the power supply after.
4.2. DRAIN PIPE CONNECTION
1. The position of the drain pipe connection is shown below.
2. Prepare a polyvinyl chloride pipe with a 32 mm outer
diameter.
3. Fasten the tubing to the drain hose with an adhesive and
the factory-supplied clamp. The drain piping must be
performed with a down-slope pitch of 1/25 to 1/100.
4. Insulate the drain pipe after connecting the drain hose.
5. ELECTRICAL WIRING
5.1. ELECTRICAL WIRING CONNECTION FOR INDOOR UNIT
CAUTION:
Use twisted shielded pair cable or shield pair cable
for transmission wires between the indoor and the
outdoor units, and connect the shielded part to the
earth screw in the electrical box of the indoor unit as
shown beside.
The electrical wiring connection for the indoor unit is shown
beside.
1. Connect the cable of the remote control switch to the
terminals A and B in electrical box through the
connecting hole in the cabinet, as shown beside.
2. Connect the power supply and ground wires to the
terminals in the electrical box.
3. Connect the wires between the indoor unit and the
outdoor unit to the terminals 1 and 2 in the electrical
box, as shown beside.
Phase Connection
1/25~1/100
Down Slope
Insulation
(Factory-Supplied)
Clamp
(Factory-Supplied)
Polyvinyl Chloride Tube
(Field-Supplied)
Insulation (Field-Supplied)
410
260
90 1/25~1/100
Down Slope
Max. 500mm
Gradient of Drain Piping
Control Cable
Remote Control Cable
Earth Screw
Power Source Cable
1N 220-240V/50Hz