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Freezing
% Glycol by weight
temperature (°C)
0
10
20
30
40
Electrical connections
Make the electrical connections with the power supply discon-
nected, in accordance with current safety regulations.
All the wiring must be done by qualified personnel.
If the power cable is damaged must be replaced by the man-
ufacturer or its technical assistance service or in any case by a
person with a similar qualification, in order to prevent any risk.
5.1
ASSEMBLY OF UNITS
Mounting the unit
Insert the vibration dampers provided in the 4 slots indicated for
ceiling installation
Fasten the base unit to the ceiling or wall using the 4 slots
provided.
Ū It is recommended to use 8MA threaded bars plus screw an-
chors of adequate capacity to bear the weight of the unit,
and to prepare the positioning of the unit using 3 8MA nuts
(2 in the lower part, 1 in the upper part as shown in figure
12.7 Ceiling installation unit p. 73) and two M8 oversized
washers with a diameter of 24 mm for each bar, so that the
rubber anti-vibration mounts cannot deform or come out of
the slot. Before tightening the lock nut, adjust the main nut
6
CHECKS BEFORE STARTUP
Ū Check that the unit is installed in such a way as to guarantee
the required inclination.
Ū Check that the drainage outlet is not clogged (by masonry
debris etc.).
Ū Check the tightness of the plumbing connections.
Ū Make sure the electric wires are tightly connected (carry out
this check with the power supply OFF).
Ū Make sure that air has been eliminated from the heat ex-
changer.
Ū Power the fan coil and check its performance
22
DUCTIMAX
Capacity
Pressure drop
adjustment
adjustment
0
1,00
-4
0,97
-10
0,92
-16
0,87
-24
0,82
For each thermal ventilating unit provide a main circuit
breaker (IL), with opening contacts separated by at least 3
mm and an adequate protection fuse (F).
1,00
Electrical intakes are shown on the rating labels on the units.
1,05
During installation, strictly abide by the indications on the wir-
1,10
ing diagram for the unit-control panel combination.
1,15
See electrical wirings from page p. 74.
1,20
DUCTIMAX 13-14 6-speed motor (+ EVO/ MYCOMFORT / TED)
DUCTIMAX 23-54 7-speed motor (+ EVO/ MYCOMFORT / TED)
DUCTIMAX 63-64 Motor 4 speed (+ EVO/ MYCOMFORT / TED)
NOTE: The electric wires (power and control circuits) must be
pulled in through the gland on the side of the electric box
where the plumbing connections are located and then con-
nected to the terminals.
WARNING: COMMON motor wire = WHITE, wrong connec-
tion may cause serious damages to the motor.
so as to assure that the unit is properly inclined so as to facil-
itate condesate drainage (figure 12.8 Condensate discharge
proper inclination p. 73). To obtain the proper inclination,
tilt the unit so that the intake side is slightly lower (approx-
imately 10 mm) than the outlet side. Make the plumbing
connections to the heat exchanger and, where the cooling
function is to be used, to the condensate drainage outlet.
Use one of the two tray drain outlets, which can be seen on
the outside of the unit side panels.
Ū To connect the unit to the drainage line, use a flexible rub-
ber hose and secure it to the pre-selected drain pipe (ø 3/8'')
using a metal clamp (use the drain outlet situated on the
plumbing connection side).
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