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TANK FILLING
This operation must be performed whenever the available
refrigerant fluid in the tank is less than 6.6 lb (3 kg) and must in
any case be perfo
displayed.
From MAINTENANCE, select TANK FILLING, the following screen
will be displayed:
R1234yf
connect and open LP or HP coupler to the liquid side of the
external tank and open the liquid valve, then Press ENTER
2 valve tank
TANK FILLING
Procure a tank of R1234yf refrigerant, connect and open LP
coupler to the liquid side of the external tank and open the liquid
valve, then press ENTER.
The following screen will be displayed:
R1234yf
Set amount:
xx
xxx
Min
xxx
MAX
TANK FILLING
Select set amount, the following screen will be displayed:
R1234yf
1
2
3
ABC
DEF
4
5
6
GHI
JKL
MNO
_________________
7
8
9
PQRS
TUV
WXYZ
←
.,
.,
0
|_|
Use the keypad to insert the amount of refrigerant, then press
ENTER to continue. The following screen will be displayed:
R1234yf
Set amount:
xxx
xx
xxx
Min
xxx
MAX
TANK FILLING
tank
MAINTENANCE
1 valve tank
MAINTENANCE
lb
lb
lb
MAINTENANCE
SET AMOUNT
MAINTENANCE
lb
lb
lb
Press ENTER to start The TANK FILLING:
R1234yf
Tank Pressure
Ext. Tank Pressure
The machine will now fill the machine tank with the preset
quantity ~ 1.1 lb (500 g). When the quantity minus 1.1 lb (500 g)
is reached, the machine will stop and display:
R1234yf
Close liquid valve of the external tank
Press ENTER to continue
2 valve tank
Close the liquid valve of the external tank and press ENTER. The
machine will recover the residual refrigerant from the hoses, then
will display the following screen:
R1234yf
Close and disconnect LP or HP coupling from
external tank and Press ENTER
2 valve tank
Close and disconnect LP coupling from external tank and press
ENTER.
R1234yf
TANK FILLING – OPERATION COMPLETED
Tank filling procedure successfully completed. Switch the
machine off.
NOTE: The refrigerant really filled into the internal tank can vary
by ± 1.1 lb (500 g).
NOTE: If the external tank is not supplied with a liquid side
coupling, overturn it to recover liquid refrigerant.
• 47 •
MAINTENANCE
psi
psi
lb
lb
TANK FILLING
TANK FILLING
MAINTENANCE
1 valve tank
TANK FILLING
MAINTENANCE
1 valve tank
TANK FILLING
MAINTENANCE
Press ENTER
TANK FILLING
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