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MODEL: RAS-25SX8, RAS-35SX8
M
Note that the 0 V line of the
outdoor electrical installation
and the primary power
circuit of the indoor
electrical installation have
voltages to ground as
illustrated in the right-hand
figure.
When conducting a check
with an oscilloscope or
something similar, do not
ground the oscilloscope.
Note that the oscilloscope
will be subjected to voltages
as illustrated in the figure
above.
A
B
TROUBLE SHOOTING
Warning
Warning
Power supply
Two-way valve coil
Indoor electrical installation
Indoor fan motor
Outdoor electrical installation
Po
w
er circuit
Compressor
motor
Po
w
er circuit
OV line
Control circuit
Control circuit
Grounding
Voltage between each
part and ground
Grounding voltage
Potential at points
Potential
at points
310 V
−
324 V
310 V
−
324 V
Do not under any
circumstances get your
hand or metal part into
contact with the cabinet.
Danger!!!
Do not install
a grounding.
Inspection instructions
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