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UNIT INSTALLATION
6.3.5 User controller wiring connection
For YUTAKI S80 TYPE 1, the YUTAKI user controller has to be
requested as accessory (PC-ARFHE).
1 Connect the user controller wires to the terminals 3 and 4 of
the TB2 of the indoor unit.
2 Pass the wires through the cord bands placed in the upper
side of the indoor unit (left or right side) and take them out
through the holes on the rear side of the indoor unit.
?
N O T E
Try to keep the maximum possible distance between the user
controller wire the power cables.
3 Finally, fix the user controller to the wall at an optimum height
as explained in its Instruction manual.
6.3.6 Levelling procedure
Once the indoor unit connections have finished, adjust the
height of the mounting foot to align perfectly the refrigerant
piping outlet to the installation connection.
?
N O T E
•
Adjust only the necessary mounting foot of the unit.
•
Start with all four feet screwed in as far as possible (factory supplied
position).
•
Two people are necessary for the levelling procedure.
Follow the process:
Turn the mounting foot to extend the height (use the hexagon or
slot designed for this purpose in the shaft end).
28
PMML0340B rev.1 - 03/2016
All manuals and user guides at all-guides.com
!
•
•
Hexagon and slot
for help in the
foot adjustment
6.3.7 Test and check
Finally, test and check the following items:
•
•
•
•
?
Please refer to the chapters of
filling"
unit Installation and Operation manual for the specific details about
refrigerant charge tasks.
!
Do not connect the power supply to the indoor unit prior to filling
the space heating circuit (and DHW circuit if it were the case) with
water and checking water pressure and the total absence of any
water leakage.
C A U T I O N
Take care do not turn the weld nut when turning the mounting foot.
Use an slot with a height profile lower than 5 mm.
Never work on more than one foot at the same time. When finishing,
all 4 lock-nuts must be tightened firmly.
process
Threaded
shaft
Weld nut
Foot
Water leakage
Refrigerant leakage
Electrical connection
...
N O T E
"4.2.1 Refrigerant
and
"7 COMMISSIONING"
in this document and refer the Outdoor
D A N G E R
Adjust the
!
foot's height as
needed
(2 options)
Extend
Take in
charge",
"4.3.5 Water
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