Hitachi RAC-50FPA, Service Manual

Page: 9 / 101

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– 4 –
NAMES AND FUNCTIONS OF EACH P
A
R
T
MODEL NAME AND DIMENSIONS
INDOOR UNIT
OUTDOOR UNIT FOR
SINGLE SPLIT MODEL
Remote controller
* OUTDOOR UNIT f
or single split model.
DEPTH
HEIGHT
WIDTH
MODEL
760mm
600mm
235mm
RAF-50RPA
(INDOOR UNIT)
RAC-50FPA
792mm
600mm
299mm
RAC-50FPA
– 5 –
Open the front panel 1.
To open the front panel, use the remote controller to stop unit operation. Then press at the top left and right corners of the front panel.
2.
Grasp the left and right sides of the front panel and open it toward you.
Close the front panel 1.
To close the front panel, press the upper center part of the front panel.
2.
Press at the top left and right corners of the front panel.
TIMER lamp
This lamp lights when the timer is w
o
rking.
OPERA
TION lamp
This lamp lights dur
ing operation.
Dur
ing heating, the oper
ation indicator
may
b
link, b
lowing
v
e
ry
lightly or t
otally stopping
under the f
ollo
wing conditions:
(1)
During preheating (heating
operation)
F
or about 2~3 min
utes after star
t up
.
(2)
During defr
osting (heating
operation)
Defrosting will
be
perf
or
med
about
once an hour when frost for
ms on the
heat e
xchanger of the outdoor unit, for
5~10 minutes each time.
(If the piping
length used is longer than usual, frost will lik
ely to f
o
rm.)
TEMPORARY SWITCH
Top left and right corners
TEMPORARY SWITCH
TEMPORARY SWITCH If the remote controller does not work due to battery failure, press this switch to start and stop operation. s
This temporary operation will be at the most recent setting made. (The unit will immediately go into autom
a
tic operation once power is
switched on.)
Upper center part
INDOOR UNIT INDICATORS HOW TO OPEN OR CLOSE THE FRONT PANEL
FIL
TER lamp
This lamp lights when the device is operated for a total of about 200 hours, it is time to clean the filter
.
The lamp
goes out when the
“
(A
UT
O
SWING)” button is
press
e
d
while
the op
eration
is stopped
.
Indoor unit indicator
s
Horizontal air deflector
Air filter
Front panel
Signal receiver
(Refer page )
Air cleansing filter
) 7
e
g
a
p
r
ef
e
R(
9
(Refer page 5)
9