Airwell DVFA-140N-01M22 Manual De Operación Y Instalacion página 15

Installation Procedures
3. Preparation before Installation
(1) Please refer to the cooling system diagram of the unit before installation,and connect the pipes
according to the diagram.
(2) Location relation between inspection hole on the ceiling and the unit and the hoisting studs
(unit: mm).
Size
Model
DVFA-140N-01M22
(3) If necessary, make a hole for installation and inspection on the ceiling, (used for the situation
with a ceiling)
For the size of the inspection hole on the ceiling, please refer to the above drawing.
Before installation, finish all the preparations for all piping connected to indoor units (refrigerant,
water drainage) and wiring (connection line of the line control, connection line between indoor
units and outdoor unit) so that they can be connected with indoor units right after installation.
For the inspection hole, the ceiling might be reinforced to keep the evenness of the ceiling and
avoid the vibration of the ceiling.For details, please consult the construction contractor.
(4) lnstall the hoisting studs (M10 bolts)
In order to support the weight of the unit, use barb
bolts in the situation with a ceiling. In the situation with
the new ceiling, use inlaid bolts, embedded bolts or
other parts provided on site. Before proceeding the
installation, adjust the gap between the bolt and the
ceiling.
(5) lnstallation of lndoor Units
Fix the indoor unit with the hoisting stud.
lf necessary, the machine can be hanged
on the beam with bolts instead of the
hoisting stud.
Tas
Indoor heat exchanger
TC1
Taf
TC2
Filter EEV Filter
A C E F
(mm) (mm) (mm) (mm)
1561 619 1500 768
7
Gas pipe
Liquid pipe
F
C
top
notch grapping
notch plug
hoisting stud M10
hoisting stud
M10 nut
main unit
plug
concrete
M10 shim
M10 spring washer