Hitachi YUTAKI S80 Serie Manuel D'instructions page 28

INSTALLATION
6.3.3 DHW tank fixation to the wall
Fix the domestic hot water tank to the wall in order to provide a
higher stability (use the factory supplied accessory intended for
this purpose).
1 Fix the accessory to the DHW tank on the upper cover
through the holes with the bundled factory supplied screws.
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N O T E
Use the accessory slotted hole to fix the DHW tank to the wall at the
desired distance.
2 Fix the accessory to the wall with field supplied screws.
122 mm: minimum distance between
the end of the male fitting and the
wall fixing hole.
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N O T E
Check that the tank is installed totally vertical.
20 PMML0344B rev.2 - 01/2021
6.3.4 Test and check
Before assembling the covers, test and check the following
items:
• Water leakage
• Refrigerant leakage
• Electrical connection
• ...
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N O T E
The following documents must be referred:
• Refer to the chapters "4.1.4 Water filling" and "9 COMMISSIONING"
in this document (Tank)
• Refer to the YUTAKI S80 indoor unit Installation and operation
manual, for the information about the refrigerant charge, water filling
and Commissioning of the indoor unit.
• For the specific details about refrigerant charge tasks refer the
Outdoor unit Installation and Operation manual.
!
D A N G E R
DO NOT CONNECT THE POWER SUPPLY TO THE INDOOR UNIT
AND DHW TANK PRIOR TO FILLING BOTH CIRCUITS WITH WATER
AND CHECKING WATER PRESSURE AND THE TOTAL ABSENCE OF
ANY WATER LEAKAGE.
6.3.5 Cover's assembly
Finally, reassembly all the cover's removed.