Safety Operation Of Flammable Refrigerant; Installation Notes; Maintenance Notes - Argo DUAL 14 DCI R32 Manual De Instalacion Y Uso

Safety operation of flammable refrigerant

Qualification requirement for installation and maintenance

All workers who engage with the refrigeration system should bear the valid certification awarded
by the authoritative organization, and the qualification recognized by the industry for dealing
with the refrigeration system.

The refrigeration system can only be repaired following the methods suggested by the
equipment's manufacturer.

Installation notes


The air conditioner mustn't be used in a room that has running fire or heat sources (such as,
working coal gas ware, operating heater).

Do not drill holes in the circuit or burn the connection pipe.

The air conditioner must be installed in a room that is larger than the minimum room area. The
minimum room area is shown on the following "table a".

Leak test is mandatory after
Charge amount (kg) ≤1.2 1.3 1.4
floor location
Minimum
room window mounted
2
area( m )
wall mounted
ceiling mounted

Maintenance notes


Check whether the maintenance area or the room area meet the requirement of "table a"- the
unit is only allowed to be operated in rooms that meet these requirements.

Check whether the maintenance area is well-ventilated. - The continuous ventilation status
should be kept during the entire operation process.

Check whether there is a fire source or potential fire source in the maintenance area. Running
fire is prohibited in the maintenance area and the "no smoking" sign should be hanged.

Check whether the warning sign is in good condition, otherwise replace it.
Welding

If it is necessary to cut or weld the refrigerant system pipes in the maintenance procedures,
please follow the steps here below:
a. Shut down the unit and cut power supply
b. Eliminate the refrigerant
c. Vacuum with a vacuum machine
d. Clean the pipes with the N2 gas
e. Cut and weld or
f. Bring the unit to a service centre for welding

The refrigerant should be recycled in a specialized storage tank.

Make sure there aren't any free flames near the outlet of the vacuum pump and that it's well-
ventilated.
V 07/21
installation.
table a - Minimum room area ( m )
/ 14.5 16.8 19.3 22 24.8 27.8 31 34.3 37.8 41.5 45.4 49.4 53.6
/
5.2 6.1
/ 1.6 1.9
/
1.1 1.3
1.5 1.6 1.7 1.8 1.9
7 7.9 8.9 10 11.2 12.4 13.6 15 16.3 17.8 19.3
2.1 2.4 2.8 3.1 3.4 3.8 4.2 4.6
1.4 1.6 1.8 2.1 2.3 2.6 2.8 3.1
2
2 2.1 2.2 2.3 2.4
5
3.4 3.7
2.5
5.5 6
4
35