AERMEC NRL 0750 - Maintenance; Maintenance Precautions; Residual Risk Management; Routine Maintenance Tasks

48 18.01._5280107_02
NRL 0280-0750 °-L / A-E
EN
ATTENTION
Any cleaning, inspecon, control, roune and extraordinary maintenance
must be performed by experienced, authorised personnel and qualied to
perform the above tasks. These tasks must be performed to perfecon as
prescribed by M.D. 37/2008.

- Risks of electric discharges;
 
- Risk of injuries due to the presence of sharp edges and heavy weights;
- Risks of injuries due to the presence of components containing high
pressure gas;
- Risks of injuries due to high or low temperature components.
 
- Risks related to the presence of harmful substances in hydronic cir-
cuits.




and safety.
-

in the:
 -
ment”
 


ATTENTION
For the unit, the user must provide a system booklet which he must
ensure, or its designee authorised to service the machine, will contain all
required records in order to have a historical documentaon of the unit
funconing. The absence of records in the booklet may count as evidence
of lack of maintenance

ATTENTION
Maintenance operaons can only be performed by authorised techni-
cians.


 
connected to it by hinges;
- In case a piece is disassembled, make sure it is correctly reassembled

 
screws can generate cuts;
 
running;
 

 
 

before accessing them;
- Isolate the unit from the mains by means of the external isolator


 
open isolator
 


 

- If having to take measurements and perform checks that require the
machine to run, you must:
- make sure that any remote control systems are disconnected; however,



 
- Close the electrical board as soon as the single measurement or con-
trol is performed
 

- The cooling circuit contains under pressure refrigerant gas: any opera-


ATTENTION
it is forbidden to LOAD the cooling circuit with a refrigerant gas dierent
from that indicated. Using dierent refrigerant gas can
severely damage the unit
- never keep the cooling circuit open, because the oil absorbs humidity
and degrades
 -
ous temperatures and/or pressures
 
when replacing electronic boards
- if replacing a motor, compressor, evaporator, condensing coils or any

with the weight to be handled
- in air units with independent compressor compartment, do not access


not turn on - maintenance in progress”
17. 
Warning;
Biological hazard
Electricity
Wear head
protection
Wear ear protection
Wear eye protection
Warning;
Sharp element
Wear protective
gloves
Wear safety
footwear
Warning; Warning; Warning;
Flammable material
Warning;
Hot surface