Hitachi YUTAKI S80 Series Technical Catalogue page 50

2. Features and benefits
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KNX combination
New KNX is an interface that makes compatible YUTAKI S80 with KNX systems permitting the remote control and data
viewing of the YUTAKI S80.
KNX systems are domotic networks for the centralized management of home items like lights, doors, fire systems, blinds,
thermostats and others.
YUTAKI S80 is managed from KNX system as a Heating item so it can be integrated in any KNX system.
KNX system can be managed remotely from Internet.
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Automatic summer switch-OFF
The system will switch OFF the heating mode when the daily average outdoor temperature of the previous day rises above
certain value at the summer switch-OFF activation temperature.
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Available four external outputs signals for optional functions
There are available four output optional signals that provide four optional functions of the system, programmed on the
indoor unit PCB.
N O T E
• In order to make easy the electrical connection works, HITACHI offers (as accessory) a relay board for the
additional output signals.
• For more information about the Optional functions, please refer to the YUTAKI S80 Service Manual.
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TCGB0075 rev.0 - 11/2012