Hitachi RAK-18PSPA User manual

ENGLISH
– 1 –
SPLIT TYPE AIR CONDITIONER
INDOOR UNIT/OUTDOOR UNIT
MODEL
RAK-18PSPA/RAC-18WSPA
RAK-35PSPA/RAC-35WSPA
RAK-25PSPA/RAC-25WSPA
OUTDOOR UNIT INDOOR UNIT
REMOTE CONTROLLER
RAK-18PSPA
RAK-25PSPA
RAK-35PSPA
RAC-18WSPA
RAC-25WSPA
RAC-35WSPA
Instruction manual Page 1~10
To obtain the best performance and ensure years of
trouble free use, please read this instruction manual
completely.

– 2 –
SAFETY PRECAUTION
 EaZVhZgZVYi]Z¸HV[ZinEgZXVji^dc¹XVgZ[jaanWZ[dgZdeZgVi^c\i]Zjc^iidZchjgZXdggZXijhV\Zd[
the unit.
 EVnheZX^VaViiZci^dcidh^\chd[¸ Warning¹VcY¸ Caution¹#I]Z¸LVgc^c\¹hZXi^dcXdciV^ch
bViiZghl]^X]!^[cdidWhZgkZYhig^Xian!bVnXVjhZYZVi]dghZg^djh^c_jgn#I]Z¸8Vji^dc¹hZXi^dc
contains matters which may result in serious consequences if not observed properly. Please
observe all instructions strictly to ensure safety.
 I]Zh^\ch^cY^XViZi]Z[daadl^c\bZVc^c\h#I]Z[daadl^c\VgZZmVbeaZhd[h^\ch#
Make sure to connect earth line. This sign in the figure indicates prohibition
Indicates the instructions that must be followed.
 EaZVhZ`ZZei]^hbVcjVaV[iZggZVY^c\#
PRECAUTIONS DURING INSTALLATION
WARNING
 9dcdigZXdchigjXii]Zjc^i#
LViZgaZV`V\Z![Vjai!h]dgiX^gXj^idgÃgZbVndXXjg^[ndjgZXdchigjXii]Zjc^i
by yourself. PROHIBITION
 EaZVhZVh`ndjghVaZhV\ZcidgfjVa^ÃZYiZX]c^X^Vc[dgi]Z^chiVaaVi^dcd[ndjgjc^i#
LViZgaZV`V\Z!h]dgiX^gXj^idgÃgZbVndXXjg^[ndj^chiVaai]Zjc^iWnndjghZa[#
 EaZVhZjhZZVgi]a^cZ#
9dcdieaVXZi]ZZVgi]a^cZcZVglViZgdg\Vhe^eZh!a^\]ic^c\"XdcYjXidg!dg
the earth line of telephone. Improper installation of earth line may cause
electric shock. CONNECT EARTH LINE
 7ZhjgZidjhZi]ZheZX^ÃZYe^e^c\hZi[dgG)&%6#Di]Zgl^hZ!i]^hbVngZhjai
in broken copper pipes or faults.
CAUTION
 6X^gXj^iWgZV`Zgh]djaYWZ^chiVaaZYYZeZcY^c\dci]Zbdjci^c\h^iZd[i]Z
jc^i#L^i]djiVX^gXj^iWgZV`Zg!i]ZYVc\Zgd[ZaZXig^Xh]dX`Zm^hih#
PROHIBITION
 9dcdi^chiVaai]Zjc^icZVgVadXVi^dcl]ZgZi]ZgZ^hÄVbbVWaZ\Vh#
I]ZdjiYddgjc^ibVnXViX]ÃgZ^[ÄVbbVWaZ\VhaZV`hVgdjcY^i#E^e^c\h]Vaa
WZhj^iVWaZhjeedgiZYl^i]VbVm^bjbheVX^c\d[&bWZilZZci]Zhjeedgih#
 EaZVhZZchjgZhbddi][adld[lViZgl]Zc^chiVaa^c\i]ZYgV^c]dhZ#>[Vcn
failure is found in the drain path, water drops from the indoor and outdoor
units, causing wet household effects.
 BV`ZhjgZi]ViVh^c\aZe]VhZ'(%KedlZghdjgXZ^hjhZY#
The use of other power sources may cause electrical components to overheat
and lead to fire. PROHIBITION
PRECAUTIONS DURING SHIFTING OR MAINTENANCE
WARNING
 H]djaYVWcdgbVah^ijVi^dcVg^hZa^`ZWjgc^c\hbZaa!eaZVhZhidedeZgVi^c\
the unit and remove plug from the socket or turn off the circuit breaker.
8dciVXindjgV\Zci#;Vjai!h]dgiX^gXj^idgÃgZbVndXXjg^[ndjXdci^cjZid
operate the unit under abnormal situation. “OFF”
 EaZVhZXdciVXindjgV\Zci[dgbV^ciZcVcXZ#
Improper self maintenance may cause electric shock and fire.
 EaZVhZXdciVXindjgV\Zci^[ndjcZZYidgZbdkZVcYgZ^chiVaai]Zjc^i#
Electric shock or fire may occur if you remove and reinstall the unit yourself improperly.
 6kd^YVcZmiZcYZYeZg^dYd[Y^gZXiV^gÄdl[dgndjg]ZVai]#
PROHIBITION
 9dcdiXdccZXii]ZedlZgXVaWZl^i]VcZmiZch^dcXVWaZdgYdcdieaj\idd
many leads of the other electric appliance into the socket where this cable
is plugged. In addition, wire the cable with some allowances to prevent
the cable from stretching. Not doing so will cause an electrical shock, heat
generation or fire. PROHIBITION
 9dcdiWjcYaZi]ZedlZgXVWaZ!ejaa^i!ejihdbZi]^c\dc^i!]ZVi^i!egdXZhh
^i!dgeji^iWZilZZci]^c\h#7gZV`V\Zd[i]ZedlZgXVWaZbVngZhjai#JhZd[V
damaged cable may cause an electrical shock or a fire. PROHIBITION
PROHIBITION
 9dcdiejidW_ZXiha^`Zi]^cgdYh^cidi]ZeVcZa d[WadlZgVcYhjXi^dch^YZ
WZXVjhZi]Z]^\]"heZZY[Vc^ch^YZbVnXVjhZYVc\Zg#

ENGLISH
– 3 –
PRECAUTIONS DURING OPERATION
WARNING
 9dcdijhZVcnXdcYjXidgVh[jhZl^gZ!i]^hXdjaYXVjhZ[ViVaVXX^YZci#
PROHIBITION
“OFF”
 9jg^c\i]jcYZghidgb!Y^hXdccZXii]Zeaj\idedgijgcd[[i]Z
circuit breaker.
 HegVnXVchVcYdi]ZgXdbWjhi^WaZhh]djaYcdiWZadXViZYl^i]^cVbZiZgd[
the air outlets of both indoor and outdoor units.
6hVhegVnXVc»h^ciZgcVaegZhhjgZXVcWZ^cXgZVhZYWn]diV^g!VgjeijgZbVn
result. PROHIBITION
CAUTION
 I]ZegdYjXih]VaaWZdeZgViZYjcYZgi]ZbVcj[VXijgZgheZX^ÃXVi^dcVcYcdi
for any other intended use. PROHIBITION
DON’T WET
 9dcdiViiZbeiiddeZgViZi]Zjc^il^i]lZi]VcYh!i]^hXdjaYXVjhZ[ViVa
accident.
 L]ZcdeZgVi^c\i]Zjc^il^i]Wjgc^c\Zfj^ebZcih!gZ\jaVgan
kZci^aViZi]ZgddbidVkd^Ydmn\Zc^chj[ÃX^ZcXn# STRICTLY OBSERVE
PRECAUTIONS
PROHIBITION
 9dcdiY^gZXii]ZXddaV^gXdb^c\dji[gdbi]ZV^g"XdcY^i^dcZg
panel to face household heating apparatus as this may affect
the working of apparatus such as the electric kettle, oven etc.
 EaZVhZZchjgZi]VidjiYddgbdjci^c\[gVbZ^hValVnhhiVWaZ!
firm and without defect. If not, the outdoor unit may collapse
and cause danger. PROHIBITION
PROHIBITION
 9dcdilVh]i]Zjc^il^i]lViZgdgeaVXZVlViZgXdciV^cZg
such as a vase on the indoor unit.
Electrical leakage could be present and cause electric shock.
 9dcdieaVXZeaVcihdgVc^bVahY^gZXianjcYZgi]ZV^gÄdlVh^i^hWVY[dgi]Z
plants or animals. PROHIBITION
PROHIBITION
 9dcdiXa^bWdci]ZdjiYddgjc^idgejidW_ZXihdc^i#
 L]ZcdeZgVi^c\i]Zjc^il^i]i]ZYddgVcYl^cYdlhdeZcZY!i]Zgddb
]jb^Y^in^hValVnhVWdkZ-%VcYl^i]i]ZV^gYZ[aZXidg[VX^c\Ydlcdg
moving automatically for a long period of time, water will condense on the air
YZÄZXidgVcYYg^ehYdlcdXXVh^dcVaan#I]^hl^aalZindjg[jgc^ijgZ#I]ZgZ[dgZ!
do not operate under such condition for a long time.
PROHIBITION
PROHIBITION
 >[i]ZVbdjcid[]ZVi^ci]Zgddb^hVWdkZi]ZXdda^c\dg]ZVi^c\XVeVW^a^in
d[i]Zjc^i[dgZmVbeaZ/bdgZeZdeaZZciZg^c\i]Zgddb!jh^c\]ZVi^c\
Zfj^ebZcihVcYZiX#!i]ZegZhZigddbiZbeZgVijgZXVccdiWZVX]^ZkZY#
 I]^hVeea^VcXZZheZX^Vaan^cYddgjc^iXaZVc^c\bjhiWZeZg[dgbZYWn
Vji]dg^oZYeZghdccZadcan#8dchjaindjghVaZhV\Zci#
Jh^c\VXdbbZgX^VaanVkV^aVWaZYZiZg\Zcidgh^b^aVgXVcYVbV\Zi]ZeaVhi^X
parts or clog the drain pipe, causing water to drip with potential electric shock
hazard.
PROHIBITION
DON’T TOUCH
 9dcdiidjX]i]ZV^gdjiaZi!Wdiidbhjg[VXZVcYVajb^cjb[^cd[i]Z
outdoor unit.
You may get hurt.
 9dcdiidjX]i]ZgZ[g^\ZgVcie^eZVcYXdccZXi^c\kVakZ#
7jgchbVngZhjai#
DON’T TOUCH
 I]^hVeea^VcXZ^hcdi^ciZcYZY[dgjhZWnndjc\X]^aYgZcdg^c[^gbeZghdchjcaZhhi]Zn
have been adequately supervised by a responsible person to ensure that they can use this
appliance safely.
 Ndjc\X]^aYgZch]djaYWZhjeZgk^hZYidZchjgZi]Vii]ZnYdcdieaVnl^i]i]ZVeea^VcXZ#

– ) –
NAMES AND FUNCTIONS OF EACH PART
INDOOR UNIT
OUTDOOR UNIT
Air filter
To prevent dust from coming into the indoor unit.
GZ[ZgeV\Z+
Front panel
GZ[ZgeV\Z,
Indoor unit indicators
Light indicator showing the operating condition.
GZ[ZgeV\Z*
Remote controller
HZcYdjideZgVi^dch^\cVaidi]Z^cYddgjc^i#
HdVhiddeZgViZi]Zl]daZjc^i#
Air outlet
L]Zc¸]ZVi^c\¹deZgVi^dc
is performed, cool air blows
VcYl]Zc¸Xdda^c\¹dg
¸YZ]jb^Y^[n^c\¹deZgVi^dc^h
performed, warm air blows.
Drain port
(Bottom) Earth terminal
(Lower section of the side)
Drain hose
9gV^chi]ZYZ]jb^Y^[^ZYlViZg[gdbi]Z
^cYddgjc^iidi]ZdjiYddgYjg^c\¸Xdda^c\¹dg
¸YZ]jb^Y^[n^c\¹deZgVi^dc#
Piping and Wiring
Air inlets (Rear and left sides)
Horizontal deflector Vertical deflector
(Air Outlet)
RAC-18WSPA
RAC-25WSPA
RAC-35WSPA
About the outdoor unit:
L]Zc¸Hide¹^hhZaZXiZYYjg^c\
operation of the indoor unit, the fan of
the outdoor unit continues turning for 10
id+%hZXdcYhidXddai]ZZaZXig^XeVgih
down.
 >c]ZVi^c\deZgVi^dc!XdcYZchViZdg
lViZgYjZidYZ[gdhi^c\l^aaÄdl#
9dcdiXdkZgi]ZYgV^cedgid[i]Z
outdoor unit because such water may
freeze in the chilly area.
MODEL NAME AND DIMENSIONS
BD9:A L>9I=bb =:><=Ibb 9:EI=bb
G6@"&-EHE6!G6@"'*EHE6!G6@"(*EHE6 ,-% 280 218
G68"&-LHE6!G68"'*LHE6!G68"(*LHE6 ,.' +%% '..

ENGLISH
– 5 –
NAMES AND FUNCTIONS OF EACH PART
INDOOR UNIT INDICATIONS
TIMER LAMP (Orange)
This lamp lights when the
timer is working.
OPERATION LAMP (Yellow)
This lamp lights during operation.
I]ZDE:G6I>DCA6BEÄVh]Zh
in the following cases during
heating.
(1) During preheating
;dgVWdji'"(b^cjiZhV[iZg
starting up.
(2) During defrosting
9Z[gdhi^c\l^aaWZeZg[dgbZY
about once an hour when
frost forms on the heat
ZmX]Vc\Zgd[i]ZdjiYddg
jc^i![dg*"&%b^cjiZhZVX]
time.
TEMPORARY SWITCH
 JhZi]^hhl^iX]idhiVgiVcYhidel]Zci]Z
remote controller does not work.
This temporary operation will be at the most
gZXZcihZii^c\bVYZ#I]Zjc^il^aa^bbZY^ViZan
go into automatic operation once power is
hl^iX]ZYdc#
TEMPORARY
SWITCH
CAUTION
Turn off the circuit breaker or pull out
the power plug if the unit is not be
operated for a long period.
ƿIf the power stays on and the unit is not operated, power is slightly consumed in the control circuit.
I]ZedlZg^hhVkZYWnijgc^c\d[[i]ZedlZghl^iX]dgi]ZX^gXj^iWgZV`Zgl]Zci]ZedlZg^h
hjeea^ZY[gdbi]ZdjiYddgjc^i#