Hitachi RAC-E08H2, Service Manual, Page: 8 / 95

– 6 –
– 4 –
NAMES AND FUNCTIONS OF EACH PART
INDOOR UNIT
Air filter
To prevent dust from coming into the indoor unit.
(Refer page 16)
Front panel
Indoor unit indicators
Light indicator showing the operating condition.
(Refer page 5)
Horizontal deflector Vertical deflector
(Air Outlet)
(Refer page 15)
Remote controller
Send out operation signal to the indoor unit. So as
to operate the whole unit.
(Refer page 6)
MODEL NAME AND DIMENSIONS
OUTDOOR UNIT
Drain hose
Drains the dehumidified water from the indoor unit
to the outdoor during “cooling” or “dehumidifying”
operation.
Piping and Wiring
Air inlets (Rear and left sides)
About the outdoor unit:
• When “Stop” is selected during operation
of the indoor unit, the fan of the outdoor
unit continues turning for 10 to 60
seconds to cool the electric parts down.
• In heating operation, condensate or
water due to defrosting will flow.
Do not cover the drain port of the outdoor
unit because such water may freeze in the
chilly area.
• When the outdoor unit is hung on the
ceiling, install the bush and drain pipe
on the drain port and drain water.
Drain port (Bottom)
Earth terminal
(Lower section of the side)
MODEL WIDTH (mm) HEIGHT (mm) DEPTH (mm)
RAS-E08H2A, RAS-E10H2A, RAS-E14H2A 780 280 210
RAC-E08H2, RAC-E10H2 700 505 258
RAC-E14H2 750 548 288
Air outlet
When “heating” operation is performed,
cool air blows and when “cooling” or
“dehumidifying” operation is
performed, warm air blows.
Drain hose
Drains the dehumidified water from the indoor unit
to the outdoor during “cooling” or “dehumidifying”
operation.
Piping and Wiring
Air inlets (Rear and left sides)
Drain port (Bottom)
Earth terminal
(Lower section of the side)
Air outlet
When “heating” operation is
performed, cool air blows
and when “cooling” or
“dehumidifying” operation is
performed, warm air blows.
RAC-E14H2
RAC-E08H2
RAC-E10H2
– 5 –
NAMES AND FUNCTIONS OF EACH PART
INDOOR UNIT INDICATIONS
TIMER LAMP (Orange)
This lamp lights when the timer is working.
FILTER LAMP (Green)
When the device is operated for a total of about 200
hours, the FILTER lamp lights indicates that it is time
to clean the filter.The lamp goes out when the
“
(AUTO SWING)” button is pressed while the
operation is stopped.
OPERATION LAMP (Yellow)
This lamp lights during operation.
The OPERATION LAMP flashes in the following
cases during heating.
(1) During preheating
For about 2-3 minutes after starting up.
(2) During defrosting
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.
TEMPORARY SWITCH
●
Use this switch to start and stop when the remote controller does not work.
●
This temporary operation will be at the most recent setting made. (The unit
will immediately go into automatic operation once power is switched on.)
✩
If the power stays on and the unit is not operated, power is slightly consumed in the control circuit.
The power is saved by turning off the power switch (or the circuit breaker when the power is supplied
from the outdoor unit).
Attaching the air cleansing and deodorizing filters (Accessories) to the filter frame.
• Attach the air cleansing and deodorizing filters to the frame by
gently compress its both sides and release after insertion into
filter frame.
• The cooling capacity is slightly weakened and the cooling speed
becomes slower when the air cleansing and deodorizing filters
are used.
• Air cleansing and deodorizing filters can be used for about 2
years. When you want to renew it, please ask your sales agent.
POWER SWITCH
Frame
CAUTION
Turn off the circuit breaker or pull out the power plug if
the unit is not be operated for a long period.