Hitachi YUTAKI S80 Series - Covers Assembly; Test and Check; DHW Tank Fixation to the Wall

47
PMML0291A rev.2 - 09/2014
INSTALLATION
ENGLISH
7.5.14 DHW tank xation 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.
NOTE
Use the accessory slotted hole to x the DHW tank to the wall at
the desired distance.
2 Fix the accessory to the wall with eld supplied screws.
NOTE
Check that the tank is installed totally vertical.
7.5.15 Test and check
Before assembling the covers, test and check the following items:
• Water leakage
• Refrigerant leakage
• Electrical connection
• ...
NOTE
The following documents must be referred:
• Refer to the chapters Water lling and Commissioning in this
document (Tank)
• Refer to the YUTAKI S80 indoor unit Installation and opera-
tion manual, for the information about the refrigerant charge,
water lling and Commissioning of the indoor unit.
• For the specic details about refrigerant charge tasks refer the
Outdoor unit Installation and Operation manual.
DANGER
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.
7.5.16 Cover’s assembly
Finally, reassembly all the cover’s removed.