Hitachi RAC-25RPA Instruction Manual Download Page 38

– 

12

 –

S

team

 

emitted

 

from

 

the

 

outdoor

 

unit

W

ater

 

generated

 

during

 

defrosting

 

operation

 

evaporates

 

and

 

steam

 

is

 

emitted.

O

dors

C

aused

 

as

 

the

 

smells

 

and

 

particles

 

of

 

smoke,

 

food,

 

cosmetics,

 

etc.

 

present

 

in

 

room

air

 

become

 

attached

 

the

 

unit

 

and

 

blown

 

off

 

into

 

the

 

room

 

again.

D

efrosting

 

is

 

underway

 (

as

 

the

 

heating

 

operation

 

is

 

stopped,

 

the

 

microcomputer

checks

 

frost

 

accumulated

 

in

 

the

 

indoor

 

unit

 

and

 

instructs

 

the

 

unit

 

to

 

perform

automatic

 

defrosting

 

if

 

necessary

)

.

S

hows

 

preheating

 

or

 

defrosting

 

operation

 

is

 

underway.

As

 

the

 

protective

 

circuit

 

or

 

preheat

 

sensor

 

operates

 

when

 

unit

 

operation

 

is

 

stopped

during

 

preheating

 

and

 

then

 

restarted,

 

or

 

when

 

operation

 

mode

 

is

 

switched

 

from

cooling

 

to

 

heating,

 

the

 

lamp

 

continues

 

to

 

blink.

Actual

 

room

 

temperature

 

may

 

deviate

 

slightly

 

from

 

the

 

remote

 

controller’s

temperature

 

setting

 

depending

 

on

 

the

 

number

 

of

 

people

 

in

 

the

 

room,

 

indoor

 

or

outdoor

 

conditions

 

when

 

the

 

air

 

conditioner

 

is

 

used

 

for

 

more

 

than

 

one

 

room

 

at

 

the

same

 

time.

s

I

f

 

the

 

unit

 

still

 

fails

 

to

 

operate

normally

 

after

 

performing

 

the

above

 

inspections,

 

turn

 

the

circuit

 

breaker

 

off

 

and

 

contact

your

 

sales

 

agent

 

immediately.

 

Contact your sales agent immediately if the
following phenomena should occur:

s

T

he

 

circuit

 

breaker

 

switches

 

off

 

or

 

the

 

fuse

 

blows

frequently.

s

T

he

 

switch

 

operation

 

is

 

not

 

stable.

s

F

oreign

 

matter

 

or

 

water

 

accidentally

 

enters

 

the

 

unit

 

interior.

s

T

he

 

power

 

cord

 

gets

 

e

x

cessively

 

hot

 

or

 

its

 

insulation

 

is

 

torn

 

or

stripped.

s

TIMER 

lamp

 

on

 

the

 

indoor

 

unit

 

display

 

blinks.

As

 

the

 

nature

 

of

 

the

 

failure

 

can

 

be

 

identified

 

by

 

the

 

blinking

 

cycle,

check

 

the

 

blinking

 

cycle

 

before

 

turning

 

off

 

the

 

circuit

 

breaker.

s

P

lease

 

contact

 

your

 

sales

 

agent

 

immediately

 

if

 

the

 

air

 

conditioner

 

still

 

fails

 

to

 

operate

 

normally

 

after

 

the

 

above

inspections.

  I

nform

 

your

 

agent

 

of

 

the

 

model

 

of

 

your

 

unit,

 

production

 

number,

 

date

 

of

 

installation.

  P

lease

 

also

inform

 

him

 

regarding

 

the

 

fault.

P

lease

 

note

:

O

n

 

switching

 

on

 

the

 

equipment,

 

particularly

 

when

 

the

 

room

 

light

 

is

 

dimmed,

 

a

 

slight

 

brightness

 

fluctuation

may

 

occur.

 T

his

 

is

 

of

 

no

 

consequence.

T

he

 

conditions

 

of

 

the

 

local

 P

ower

 S

upply

 C

ompanies

 

are

 

to

 

be

 

observed.

Notes

s

I

n

 

quiet

 

operation

 

or

 

stopping

 

the

 

running,

 

the

 

following

 

phenomena

 

may

occasionally

 

occur,

 

but

 

they

 

are

 

not

 

abnormal

 

for

 

the

 

operation.

(

1

) S

light

 

flowing

 

noise

 

of

 

refrigerant

 

in

 

the

 

refrigerating

 

cycle.

(

2

) S

light

 

rubbing

 

noise

 

from

 

the

 

fan

 

casing

 

which

 

is

 

cooled

 

and

 

then

 

gradually

warmed

 

as

 

operation

 

stops.

s

T

he

 

odor

 

will

 

possibly

 

be

 

emitted

 

from

 

the

 

room

 

air

 

conditioner

 

because

 

the

various

 

odor,

 

emitted

 

by

 

smoke,

 

foodstuffs,

 

cosmetics

 

and

 

so

 

on,

 

sticks

 

to

 

it.

 S

o

please

 

clean

 

the

 

air

 

filter

 

and

 

the

 

evaporator

 

regularly

 

to

 

reduce

 

the

 

odor.

T

he

 

outdoor

 

unit

 

continues

 

to

 

operate

even

 

if

 

operation

 

is

 

stopped

D

oes

 

not

 

reach

 

the

 

temperature

setting

T

he

 OPER

A

TION 

lamp

 

is

 

blinking

 

 

 

 

)

Summary of Contents for RAC-25RPA

Page 1: ...eitung aufmerksam durch um durch richtige Bedienung jahrelangen und störungsfreien Betrieb zu gewährleisten Manual de instruções Página 61 72 A fim de obter um bom funcionamento e de garantir uma utilização sem falhas durante muitos anos é favor ler este manual de instruções completamente Mode d emploi Page 25 36 Des performances optimales et un fonctionnement à long terme seront assurés en appliq...

Page 2: ...as leaks around it Piping shall be suitable supported with a maximum spacing of 1m between the supports 噝 Please ensure smooth flow of water when installing the drain hose 噝 Make sure that a single phase 220V or 230V power source is used The use of other power sources may cause electrical components to overheat and lead to fire PRECAUTIONS DURING INSTALLATION PROHIBITION CONNECT EARTH LINE PROHIBI...

Page 3: ...with the door and windows opened the room humidity is always above 80 and with the air deflector facing down or moving automatically for a long period of time water will condense on the air deflector and drips down occasionally This will wet your furniture Therefore do not operate under such condition for a long time 噝 If the amount of heat in the room is above the cooling or heating capability of...

Page 4: ... Front panel Signal receiver OUTDOOR UNIT FOR SINGLE SPLIT MODEL Remote controller OUTDOOR UNIT for single split model H T P E D T H G I E H H T D I W L E D O M RAF 25RPA RAF 35RPA 760mm 600mm 235mm RAF 50RPA INDOOR UNIT RAC 25FPA 750mm 548mm 288mm RAC 35FPA 750mm 548mm 288mm RAC 50FPA 792mm 600mm 299mm RAC 25FPA RAC 35FPA RAC 50FPA ...

Page 5: ... operation For about 2 3 minutes after start up 2 During defrosting heating operation Defrosting will be performed about once an hour when frost forms on the heat exchanger of the outdoor unit for 5 10 minutes each time If the piping length used is longer than usual frost will likely to form TEMPORARY SWITCH Top left and right corners TEMPORARY SWITCH TEMPORARY SWITCH If the remote controller does...

Page 6: ...e same time as other heating appliances 3 Using the timer is recommended before going to sleep or going out 4 The following must never be used for cleaning the indoor and outdoor units s Benzine thinner and scrub can damage plastic surfaces or coating s Hot water above 40 C can shrink the filter and deform plastic parts 5 Do not block the air intake and air outlet s Do not block the air outlets an...

Page 7: ...t The batteries will last for approximately 1 year However if the remote controller display begins to fade and degradation of reception performance occurs within a year replace both batteries with new size AAA LR03 alkaline The attached batteries are provided for the initial use of the system The usable period of the batteries may be short depending on the manufactured date of the air conditioner ...

Page 8: ...ng the batteries 1 Press RESET button 2 Direct remote control towards indoor unit and press INFO button 3 The calendar and clock from indoor unit will be transmitted Calendar and clock will not be transmitted from indoor unit when the following occurs When there is a power failure When breaker is OFF by user unit is not in STANDBY MODE NOTE Note on setting the calendar and clock If the calendar an...

Page 9: ... use When pressing any button the LCD will turn on The LCD will not turn off during TIMER setting Signal Transmitting Receiving Window Point this window towards the indoor unit when controlling it Sensor A temperature sensor inside the remote controller senses ambient temperature around the remote controller Display ROOM TEMPERATURE setting Buttons Press these buttons to set the room temperature P...

Page 10: ...e device may stop for about 3 minutes for protection POWERFUL Button Use this button to set the POWERFUL mode INFORMATION Button ONE TOUCH CLEAN Button ON OFF TIMER setting Buttons MODE selector Button Use this button to select the operating mode Every time you press this button the mode will change from AUTO HEAT DEHUMIDIFY COOL and FAN cyclically SILENT Button Use this button to set the SILENT m...

Page 11: ...l is not available when Timer or Sleep Timer mode is set Press the MODE selector button so that the display indicates the AUTO mode of operation When AUTO has been selected the device will automatically determine the mode of operation HEAT or COOL depending on the current room temperature However the mode of operation will not change when indoor unit is connected to multi type outdoor unit If the ...

Page 12: ...ting temperature is large fan starts to run at HI speed After room temperature reaches the preset temperature fan speed will be changed to lower speed to obtain optimum room temperature condition for natural healthy heating START STOP Defrosting Defrosting will be performed about once an hour when frost forms on the heat exchange of the outdoor unit for 5 10 minutes each time During defrosting ope...

Page 13: ...oom conditions Set the desired room temperature with the ROOM TEMPERATURE setting buttons the display indicates the setting The range of 20 26 C is recommended as the room temperature for dehumidifying Press the START STOP button Dehumidifying operation starts with a beep Press the button again to stop operation As the settings are stored in the memory of the remote controller you START STOP butto...

Page 14: ... with a beep Press the button again to stop operation The cooling function does not start if the temperature setting is higher than the current room temperature even though the OPERATION lamp lights The cooling function will start as soon as user set the temperature below the current room temperature As the settings are stored in the memory of the remote controller you only have to press the START...

Page 15: ...r START STOP 1 2 Press the MODE selector so that the display indicates FAN Press the START STOP button Fan operation starts with a beep Press the button again to stop operation Set the desired FAN SPEED with the FAN SPEED button the display indicates the setting AUTO HIGH MED LOW SILENT ...

Page 16: ...recommended maximum and minimum operating temperatures of the hot and cold sides should be as below AUTO SWING OPERATION To start Vertical Auto Swing To cancel Vertical Auto Swing NOTE During cooling and dehumidifying operation do not keep the deflectors swinging or in the lower position in the case of vertical auto swing for a long time It may cause dew condensation on the deflectors Press AUTO S...

Page 17: ...WERFUL operation is cancelled During POWERFUL operation capacity of the air conditioner will not increase if the air conditioner is already running at maximum capacity just before defrost operation when the air conditioner is running in HEATING operation After auto restart POWERFUL operation is cancelled and previous operation shall start Press POWERFUL button during operation is displayed on the ...

Page 18: ...OP button Or Press SILENT button again or FAN SPEED button Fan speed will return to previous fan speed before SILENT operation starts SILENT operation stops disappears from the LCD 1 NOTE When POWERFUL operation is selected SILENT operation is cancelled Fan speed will return to previous fan speed before SILENT operation After auto restart SILENT operation is cancelled Fan speed will return to prev...

Page 19: ...on the Press START STOP button Or Press ECO button again disappears from the LCD NOTE ECO function will not be effective when power consumption is low By pressing POWERFUL button ECO operation is cancelled After auto restart ECO operation is cancelled and previous operation mode shall start For multi model connections energy saving operation shall only start by changing set temperature higher conn...

Page 20: ...g Leave Home button implementation of Weekly Timer or One Timer only Timer is cancelled In case of power supply shut down after autorestart all setting for number of days operation will be reset and unit shall be in continuous operation For multi connections when each room is running in different operation mode such as FAN only COOLING DEHUMIDIFYING or AUTO mode Leave Home operation cannot operate...

Page 21: ...CD Press START STOP button Or Press CLEAN button again 1 NOTE When CLEAN operation finish unit will switch OFF automatically For multi connections when pressing CLEAN button operation is limited to FAN operation For multi connections when one room operates CLEAN operation first other rooms can operate COOLING DEHUMIDIFYING or FAN operation However when other rooms need to operate HEATING operation...

Page 22: ...cate the sequence of switching operations 1 Press OFF TIMER button so that and blink on the display 2 Set the turn off time with TIME button After setting direct the remote controller towards the indoor and press SEND button 3 Press ON TIMER button so that and set turn off time light up The and blink 4 Set the turn on time with TIME button 5 After setting direct the remote controller towards the i...

Page 23: ...d emitted from indoor unit and the TIMER lamp on the indoor unit turns off SLEEP TIMER operation is cancelled 1 1 H 2 H 3 H 7 H SLEEP TIMER off will change as below continue to operate for the designated number of hours and then turn off the remote controller indicates the turn off time ECO SLEEP TIMER OPERATION By pressing SLEEP button during AUTO HEATING DEHUMIDIFYING COOLING or FAN operation g ...

Page 24: ...o energy saving without losing comfort The level of energy consumption depends on outside temperature room temperature set temperature or air conditioner type Cooling operation diagram representation for illustrative purpose only In this case air conditioner will turn off in 2 hours at 1 38 and it will be turned on at 6 00 the next morning NOTE Heating operation diagram representation for illustra...

Page 25: ...to select a program number The number changes from 1 2 3 4 5 6 1 2 If program number has been set follow above in order to make changes 1 2 Step 1 Set the reservation schedule to the remote controller Send the registered reservation to indoor unit and then operate Step 2 Select Mode A or Mode B and activate or deactivate WEEKLY TIMER Step 3 Copy and cancel the reservation schedule Step 1 Set reser...

Page 26: ...ction has been completed The reservation contents will appear on the remote controller display If TIMER lamp on the indoor unit does not light up press SEND button while directing the remote controller towards the indoor unit for about 3 seconds CAUTION Do not press CANCEL button during reservation setting because this will result in all reservation contents to be lost The reservation contents wil...

Page 27: ...ler towards the indoor unit and press CANCEL button Beep sound will be emitted from indoor unit and TIMER lamp will be OFF Reservation indication on remote display will also disappear This indicates that non active WEEKLY TIMER has been confirmed To activate back the setting of WEEKLY TIMER repeat the steps for How to select Mode A or Mode B of WEEKLY TIMER setting NOTE When setting ONCE TIMER ope...

Page 28: ...Y PASTE button one more time to paste only blinks on the display 7 To continue copying to other days press or or or Then start from step 3 8 After copy and paste completed press SEND button while directing the remote controller towards the indoor unit for about 3 seconds Timer lamp on the indoor unit will blink rapidly After beep sound emitted from indoor unit TIMER lamp will light up Please ensur...

Page 29: ...o edit 4 Press to select program number Selected program number will blink 5 Press DELETE button Reservation of selected program number is deleted 6 After deleting press SEND button while directing the remote controller towards the indoor unit for about 3 seconds Timer lamp on the indoor unit will blink rapidly After beep sound emitted from indoor unit TIMER lamp will light up Please ensure that t...

Page 30: ...lamp on the indoor unit will blink rapidly After beep sound emitted from indoor unit TIMER lamp will light up Please ensure that the TIMER lamp lights up Reservation will not change if SEND button is not pressed 1 1 2 NOTE If all reservations in the remote controller were deleted and pressed SEND button no signal will be transmitted to indoor unit TIMER lamp will remain off and no changes will be ...

Page 31: ...n Direct the remote controller towards the receiver of indoor unit within 2 meters in front of indoor unit and press INFO button Wait for 2 seconds for signal transmission INFO button repeatedly The display will show as below this month power consumption amount for heating last month power consumption for heating this month power consumption amount for cooling last month power consumption amount f...

Page 32: ... remain This indicates that COOLING and DEHUMIDIFYING mode operation is locked MODE button or will be displayed Method to unlock COOLING and DEHUMIDIFYING modes including FAN operations Press ECO and SILENT buttons simultaneously for about 5 seconds when the remote controller is OFF All operation mode symbols will appear on the display for about 10 seconds After that operation mode symbol before c...

Page 33: ...ilters 4 CAUTION s Do not wash with hot water at more than 40 C The filter may shrink s When washing it shake off moisture completely and dry it in the shade do not expose it directly to the sun The filter may shrink And also use a soft sponge to wash Using a scrubber or brush cause the metal film on the surface to come off s Don t operate the unit without filter Fault may occur if you continue Cl...

Page 34: ...t panel 3 CLEANING OF FRONT PANEL The front panel can be washed in water It can be kept clean at all times s Front panel can be removed and washed in water Gently clean the front panel using a soft sponge s When the air conditioner is to be cleaned without removing the front panel clean both the body and remote controller with a dry soft cloth s Wipe off water completely If water remains on the di...

Page 35: ...ters remove the air filters and attach them onto the hooks of the front cover frame s The cooling capacity is slightly weakened and the cooling speed becomes slower when the air cleansing filters are used So set the fan speed to HIGH when using it in this condition s The air cleansing filters can be used for 2 years Air cleansing filters H S I L G N E ...

Page 36: ...emote controller before starting manual operation and the buttons are released the indication of settings will go off in 10 seconds and only the operation mode will be displayed s Pressing the button while the unit is in operation will let the protective circuit work so that the unit will not operate for approximately 3 minutes s During heating operation the indoor unit s color indicator lamp may ...

Page 37: ...of operation mode different from other indoor units When it does not operate When it does not cool well When it does not heat well The following phenomena do not indicate unit failure Operation start The unit is preparing to blow warm air Please wait In operation The outdoor unit is defrosting Please wait Hissing or fizzy sounds Refrigerant flow noise in the pipe or valve sound generated when flow...

Page 38: ...stable s Foreign matter or water accidentally enters the unit interior s The power cord gets excessively hot or its insulation is torn or stripped s TIMER lamp on the indoor unit display blinks As the nature of the failure can be identified by the blinking cycle check the blinking cycle before turning off the circuit breaker s Please contact your sales agent immediately if the air conditioner stil...

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