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2.3.1. Pipes that are one size larger can
also be connected for renewal
•
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.
•
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.)
2.3.2. Additional refrigerant charging
unnecessary for 30 m
•
All models do not require any additional charging of
refrigerant for 30 m of pipe length. This makes installation
much easier.
refrigerant for 30 m of pipe length. This makes installation
much easier.
2.3.3. Drain water dripping-prevention
structure
•
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.
2.3.4. Space saving design allows units
to be installed side by side
continuously
continuously
•
Servicing after installation can be carried out by removing
the front covers.
the front covers.
2.3.5. Easy test operation
•
Test operation can be carried out for both indoor and
outdoor units.
outdoor units.
2.3.6. Long pipe design
Max piping length: 50 (m)
24BB~50BB
Height difference/equivalent pipe
length
30/50
2.3.7. Internal pipe connection
•
Pipes are connected inside the units (inside the side
covers), making the final appearance more attractive.
covers), making the final appearance more attractive.
•
Pipes can be diverted outward in any of four directions
(forward, right, down, rear).
(forward, right, down, rear).
•
Small liquid pipe diameters of 9.52mm for 43BB and 50BB
models, making installation work much easier.
models, making installation work much easier.
■
Liquid-side pipe diameters (mm) : 9.52 (43BB~50BB
models)
2.3.8. Centralized draining method
•
Even when multiple outdoor units are installed to a wall, the
drain outlets can be concentrated into a single drain pipe.
This
drain outlets can be concentrated into a single drain pipe.
This
makes
installation
easier
and
also
improve
appearance.
2.4. A brand-new control method
using the latest in technology
2.4.1. Power supply wiring is also easier
Power supply wiring and other wiring tasks can be carried out
more easily.
more easily.
•
Twin non-polar wires used to connect indoor and outdoor
units.
units.
•
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.
6
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