2. Features and benefits
TCGB0075 rev.0 - 11/2012
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2
Flexible water piping
The water piping are flexible in order to make easy the installation work.
90°
180°
180°
2.3.3
Easy and flexible electrical installation
Easy wiring
It has been designed a big terminal board (TB2) in order to allow the easy electrical connection which provide all the diffe-
rent possible configurations (3-way valve, water pumps, boiler...).
Additionally, in order to help with the electrical installation works, HITACHI offers the following specific documentation:
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Service Manual and Installation and Operation Manual: All the necessary information about how to perform the
electrical works (electrical installation, connection, dip switch setting, ...) is reflected in these documents.
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Schematic label: The different possible connections to the terminal boards are indicated by means of a schematic
label with the figure corresponding at the required configuration (see previous figure).
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Big Electrical Wiring Diagram and Caution Label: There are two labels sticked on the rear side of the electrical
box cover for a quick refering when electrical works are required. So, installer can get easy and clear wiring un
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derstanding and LCD user’s interface icons/alarms by directly refering to these labels.
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Separated terminal boards. The TB1 is the power connection board, and the TB2 is the accessories connection
board, with an additional ground socket (position 14).
N O T E
These points can be also understood as Maintenance benefits.