Load The Refrigerant; Dismantle The Cabinet - Arneg Bergen 2 Manuel D'installation Et De Service

23. Load the refrigerant

DANGER! Coolant gas, high pressures. Explosion. Asphyxia, alteration of cardiac pace,
frostbite, anaesthetic effects.
BEFORE ANY OPERATION EMPTY THE ENTIRE SYSTEM!
WARNING! FIRE. Burns. Asphyxia
NEVER use naked flames and electrical tools next to gas
Only specialist technicians may recharge the refrigerant or work on the gas circuit according
to the European Regulation 842/2006.
Check that refrigerant circuit is perfectly sealed.
Only use original spare parts.
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To load the refrigerant, see indication 15 of the data plate.
Refrigerant gas- for the type and mass of the refrigerant refer to the serial plate
es used (chap. 9)
Procedure
Cabinets with built-in unit are hermetically sealed and the refrigerant charge is less than 3 kg. There-
fore, they are not subject to the obligation of system manual or of periodic checks for refrigerant
losses (Italian Presidential Decree.no. 147 of 15 February 2006 Art. 3 and 4).
For the R290 gas refill request the intervention of qualified personnel.
The components of the circuit are not accessible.
For any intervention on the compressor, send the cabinet to a support centre authorized by
ARNEG

24. Dismantle the cabinet

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This product is made up by 75% of recyclable materials
Preparation • recover the coolant
• remove the lubricating oil
05060176 00 11-09-2018
Type of gas
R134a; GWP = 1300
( 100 )
R290; GWP = 3
100
( )
Step
1 check refrigerant leaks using a specific leak detector
2 empty the entire system and recover the gas with a suitable pump
3 remove the cause of the leak
4 apply vacuum to the entire system
recharge the system with the same type and quantity of gas, refer to the
5
serial number plate (chap.9)
6 load through the special valve provided next to the compressor
these types of gases used in built-in unit models
ARNEG S.p.A. belong to:
• HFC= fluoride gases with high global warming po-
tential (GWP) regulated by the Kyoto protocol
this gas belongs to the hydrocarbons family
Action
Description
Bergen 2
English
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