8
2. CONNE
CTIONS
U.E. / U.I.
2.1 GENERAL
-
2.3 INSTALLATION OF THE PIPES FOR THE
REFRIGERANT R410A
The main cause of refrigerant gas leaks
is due to a defect in the flaring. Make
the folders correctly respecting the following
indications:
A) Cut the pipes and the cable (Fig. 1)
-
Use pipes with adequate dimensions for the unit
installed (table 2).
Measure the distance between the indoor and
outdoor unit.
-
Cut the tubes to a slightly length
greater than the measured distance.
- Cut the electric cable 1.5 mt. longer than
tube length.
B)
Burr removal
(Fig. 2)
-
Completely remove all burrs from the
cross section of the tube.
-
Processing must be performed with the end of the
tube down so that the burrs do not fall into the
tube.
Tabella 2 -
CONNECTION TUBE
Model
Ø
LIQUID
Ø
GAS
3.0 + 3.0
1/4” x 2
3/8” x 2
3.0 + 7.8
1/4”
x 2
3/8” - 5/8”
7.8 + 7.8
1/4
” x 2
5/8” x 2
7.8+7.8+3.0
1/4
” x 3
3/8 -
5/8” x
2
7.8+7.8+7.8
1/4
” x 3
5/8” x 3
7.8+7.8+7.8+7.8
1/4
” x 4
5/8” x 4
CONNECTION TUBE
Fig. 1
PIPE CONNECTIONS
(
CUTTING AND BAVA
REMOVAL
)
Fig. 2
1) The HUB RADIATOR DHP system is designed
to work exclusively with the indoor unit
positioned within the building to be heated
and the boosters on the outside.
2) During the installation phase it must be verified
carefully that the distance and the height difference
between
the units comply with the data reported above
this manual.
3) Before installation, check that the wall
where you have chosen to place the internal storage
be able to support the weight itself
accumulation and the water contained in it.
4) In case of replacement of a generator
make the system clean
and the addition of a special anti-algae additive.
5) When you choose to install the
HUB RADIATOR DHP system, to keep
considering the electrical absorption of the unit
external. Then prepare all the works
necessary to adapt the electrical system
(counter, cable section, switches
circuit breakers, ect,) to guarantee the correct
operation.
2.2 ELECTRICAL CONNECTIONS
Connect the cable to the electrical panel:
1) The connection cable of the indoor unit
and external must be of the H07RN-F type.
2) Lift the panel of the electrical panel e
remove the screws, then remove the cover.
3) Connect the cables according to the markings.
Connect the cable to the external unit:
1) Remove the cover of the outdoor unit.
2) Connect the terminal cables according to the
numbers present on the terminal board of the unit,
respecting the sections shown in table 1
3) Fix the cables so that they do not come into
contact with electrical or metal parts.
