4918.01._5280107_02
NRL 0280-0750 °-L / A-E
EN
- contact the company if changes must be made to the refrigerant,
hydraulic or electric diagram of the unit, as well as its control logic
-
ING”
- The water circuit may contain harmful substances. Prevent the
contents coming into contact with skin, eyes and clothing. Use the
- If there is a need to perform a braze-welding, so with the use of special
the absence of freon gas in the environment and on the cooling circuit
-
ing lethal and carcinogenic compounds.
2
-
discharges; if using water, provide a containment tank.
on under pressure equipment except during maintenance that must be
carried out by competent and authorised personnel;
- Perform brazing or welding only on empty pipes and clear of any
these devices intervene, the refrigerant gas is released at high temper-
ature and speed;
- The machine and the pipes have very hot or very cold surfaces that
lead to risk of burns by contact;
- Do not use your hands to control any refrigerant leaks;
- Before removing elements along the under pressure hydronic circuits,
pressure and that of the atmosphere are balanced.
- Before opening the electrical panel, disconnect the unit from the
mains by means of the external isolator;
supply was disconnected from the unit before accessing inside the
electrical panel;
- If the unit is equipped with integrated inverter type compressors, dis-
connect the power supply and wait at least 5 minutes before accessing
cleaned.
Place a sign reading ‘’Do not turn on – maintenance in progress’’ on the
open isolator;
indicated in paragraph 1 of this report;
refrigerant gas contained in the circuit;
-
ous temperatures and/or pressures;
when replacing electronic boards;
- If replacing a motor, compressor, evaporator, condensing coil or any
with the weight to be handled;
- In air units with independent compressor compartment, do not access
through the isolator on the board and having placed a sign reading ‘’Do
not turn on – maintenance in progress’’ ;
- Always and only use original spare parts purchased directly from
dismantled;
of the unit, or its control logic unless expressly authorised by Aermec;
- The machine must be loaded with the refrigerant in the feature label
- Make sure to have removed all tools, electrical cables or other loose
object and having perfectly connected the machine to the system
and viewable in the control panel of the same. In the case of machines
with cooling circuit compartment open, stand in front of the control
panel of the electrical panel remaining distant and not exposed to the
under pressure parts of the cooling circuit
ATTENTION
When having to take measurements with the machine on and the electri-
cal panel and cooling circuit open, be careful since the machine is live, the
cooling circuit contains high pressure gas, the pipes may be hot or cold,
some parts may be in moon.
pumps and fans as well as the power supply measurements, must be taken
as follows:
allow to remotely control the measurement;
- Access the machine and read the measurements made by the instru-
ments, keeping AWAY from live electrical parts;
the instruments and close the electrical panel.
The measurements of the compressor inlet and outlet temperature and
must be carried out as follows:
The measurements of the compressor inlet and outlet temperature and
must be carried out as follows:
To Next Page
Loading...
