Hitachi RAF-35RPA RAF35RPA User Manual
Product codes
RAF35RPA
14-7
14.1.9 MONO SPLIT RAF-50RPA / RAC-50FPA
Warning
Remember that the 0V line is biased to 320-360V in reference to
the ground level.
the ground level.
Warning
When using an oscilloscope, never ground it. Don’t forget
that high voltage as noted in the left figure may apply to the
oscilloscope.
that high voltage as noted in the left figure may apply to the
oscilloscope.
14.1.10 MONO SPLIT RAF-25/35PXA / RAC-25/35FXA
Warning
Remember that voltage of 175V is applied to the 0V line on the
P.W.B. or the like as shown in the diagram below
P.W.B. or the like as shown in the diagram below
Warning
When using an oscilloscope, never ground it. Don’t forget
that high voltage as noted in the left figure may apply to the
oscilloscope.
that high voltage as noted in the left figure may apply to the
oscilloscope.
Control Circuit
Power source
1¤, 220-230V, 50Hz
1¤, 220-230V, 50Hz
Outdoor Electrical
Indoor Electrical
Compressor
Motor
Motor
C
D
(0V)
ⓑ
ⓐ
P
ow
e
r
c
ir
c
ui
t
Across ⓐ-ⓑ (0V line) approx 320~360V
Across ⓐ-ground approx 155~170V
Across ⓑ (0V line)-ground approx 155~170V
Across ⓐ-ground approx 155~170V
Across ⓑ (0V line)-ground approx 155~170V
Outdoor unit
P.W.B.
P.W.B.
Always keep your
hands and metallic
things away from
the oscilloscope
hands and metallic
things away from
the oscilloscope
DANGER!
Don’t install
the ground
line
the ground
line
Control Circuit
L
N
Indoor controller
Power
Voltage at pointⒶ
B
C
D
Control
P.W.B
P.W.B
Main P.W.B
Outdoor controller
DC35V
0V
0V Line
Ⓐ
Point
Ⓑ
Point
Compressor
motor
motor
I.P
.M
.M
.
Point Ⓑ (0V line)
Ground voltage
⊕175V
⊝175V
350V
Always keep your
hands and metallic
things away from
the cabinet.
hands and metallic
things away from
the cabinet.
DANGER!
Don’t install
the ground
line
the ground
line
A