Technical data

• Sky Air • Centralised Control systems
41
• Centralised control systems
2
6
6 Wiring example of centralised control systems
• The longest wiring extension should not exceed 1,000 m.
(Total wiring length schould not exceed 2,000 m, excluding the wiring to the remote control ).
• Up to 128 indoor units can be controlled.
Advantages when central controllers are connected to
B.
• If the central controllers are connected to (B), it is still possible to have centralised control, even if the power supply of other circuit connected to
the central controller is shut-off. (Even if the power is shut off dure to long vacation etc.)
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Control wiring between indoor unit
and outdoor unit
Outdoor unit
It is possible to
operate without
remote control.
(when the centralised
remote control is
employed.)
Possible to control group operation
of up to 16 indoor units.
Group control is set by the
automatic address setting.
Outdoor unit
Outdoor unit
Transmission wiring for
remote control
Combined
control of HRV
is possible
Independent
operation of HRV is
possible.
Control wiring between
outdoor units
Sky Air
Possible to control the
operation of the Sky Air
(Interface adapter for
Sky Air series is required
for certain units, please
contact yur dealer for this.)
Also possible to control
the operation of the
airconditioner other than
VRV system. (Wiring adapter for
other airconditioner is required )
Sky Air
Sky Air Sky Air
Combined
control of HRV
is possible.
Possible to control group operation of up to 16 indoor units.
DIII-Net can only be connected to the unit, which is installed with
the interface adapter for Sky Air series requred for certain units, please contact your dealer for this.
• The control wiring of HRV, Sky Air and other airconditioner units
can be connected to control wiring between indoor unit and
outdoor unit, or the control wiring between outdoor units.
Possible to control the
operation of Sky Air
(Interface adapter for
Sky Air series is required
for certain units, please
contact your dealer for this.)
Possible to control the
operation of room airconditioner
(Adapter for general use and the
adapter PCB for room airconditioner
are required )