INSTALLATION
Tank thermistor
Follow the same procedure as for the electrical heater wire but
connecting the Tank thermistor wires to the 28 and 29 connec-
tions of the Terminal Board 2.
LCD controller
1 Take the LCD electrical cable, pass it behind the partition
plate and wire it to the two clamps located at the right side
and upper part of the indoor unit.
2 Connect the connector cable to the wire-to-wire connector in
the Electrical Box 1 back side as shown in the figure.
C A U T I O N
Do not cut or extend the LCD electrical cable.
Wire-to-wire LCD
connector (CN28)
7.4.13 Levelling procedure
Follow the same procedure explained in
alone (Without tank)
on the
and operation manual.
7.4.14 Tank's fixation to the wall
In case of indoor unit with integrated tank it is mandatory when
there is not upper restriction fixing the domestic hot water tank to
the wall in order to provide a higher stability (use the factory sup-
plied 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.
N O T E
Use the accessory slotted hole to fix the DHW tank to the wall at
the desired distance.
36
Rear E-BOX 1
Installation of indoor unit
YUTAKI S80 indoor unit Installation
PMML0291A rev.2 - 09/2014
2 Fix the accessory to the wall with field supplied screws.
29
28
N O T E
Check that the set (indoor unit with integrated tank) is installed
totally vertical.
7.4.15 Test and check
Before assembling the covers, test and check the following items:
•
Water leakage
•
Refrigerant leakage
•
Electrical connection
•
...
N O T E
The following documents must be referred:
•
Refer to the chapters
document (Tank)
•
Refer to the
tion
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
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.
7.4.16 Cover's assembly
Finally, reassembly all the cover's removed.
Water filling
and
Commissioning
YUTAKI S80 indoor unit Installation and opera-
manual.
in this