Read Panasonic CS-A18BD3P / CU-A18BBP5 Service Manual online
2.2. Greatly improved workability
increases system renewal
capability
capability
2.2.1. Pipes that are one size larger can
also be connected for renewal
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If renewing the system, existing refrigerant pipes can be
utilized so that only the indoor units need to be replaced.
utilized so that only the indoor units need to be replaced.
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For example, liquid and gas pipes from 10 years ago can be
connected to current pipes with the same size for one size
larger. Effective utilization of materials reduces working
time and trouble. (Adaptor sockets are not supplied.)
connected to current pipes with the same size for one size
larger. Effective utilization of materials reduces working
time and trouble. (Adaptor sockets are not supplied.)
2.2.2. Additional refrigerant charging
unnecessary for 10 m
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All models do not require any additional charging of
refrigerant for 10 m of pipe length. This makes installation
much easier.
refrigerant for 10 m of pipe length. This makes installation
much easier.
2.2.3. Drain water dripping-prevention
structure
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The base of the outdoor unit is provided with a single drain
hole in order to prevent drain water from leaking out of the
unit. Body connecting a drain elbow and a discharge pipe,
water leakages can be prevented even when the unit is
installed against a wall.
hole in order to prevent drain water from leaking out of the
unit. Body connecting a drain elbow and a discharge pipe,
water leakages can be prevented even when the unit is
installed against a wall.
2.2.4. Easy test operation
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Test operation can be carried out for both indoor and
outdoor units.
outdoor units.
2.2.5. Long pipe design
Max piping length: 25 (m)
18BB
Height difference/equivalent pipe
length
20/25
2.3. A brand-new control method
using the latest in technology
2.3.1. Power supply wiring is also easier
Power supply wiring and other wiring tasks can be carried out
more easily.
more easily.
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Twin non-polar wires used to connect indoor and outdoor
units.
units.
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Adoption of connection error prevention circuits for drives
wires and signal wires. If a connection error is made, the
relay does not operate and current does not flow to the
circuit boards.
wires and signal wires. If a connection error is made, the
relay does not operate and current does not flow to the
circuit boards.
2.3.2. Separate indoor/outdoor unit
power supplies
The power supply can be connected to (1) just the outdoor
units, or (2) to both indoor and outdoor units.
units, or (2) to both indoor and outdoor units.
2.3.3.
Automatic setting initialization
function (Remote control and
Indoor unit)
function (Remote control and
Indoor unit)
In accordance with the indoor and outdoor units connected and
the connection methods, conditions such as the configuration
(twin or triple format) and remote-control functions such as
cooling only or heat pump model are automatically detected
and set instantly.
the connection methods, conditions such as the configuration
(twin or triple format) and remote-control functions such as
cooling only or heat pump model are automatically detected
and set instantly.
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