Airton 409730 Manual De Instalación página 44

EN
REFRIGERATION CONNECTION FOR UNITS
ATTENTION:
Handle connections carefully.
Do not fold too often.
Carefully unwind the connections.
READYCLIM OPTION
No vacuuming or special equipment
Refer to the installation instructions in the READYCLIM connection box
X4
NUTS
EASY
COMMISSIONING
Hermetically sealed system according to EN16084 - CETIM certification
STANDARD OPTION
Vacuuming, handling of refrigerant fluid with specific equipment CONNECTION
AND COMMISSIONING MUST BE PERFORMED BY A REFRIGERATION SPECIALIST
ATTENTION: ALL OPERATIONS LISTED BELOW MUST BE PERFORMED BY A QUALIFIED OPERATOR
1. Remove the sleeves/adapters (1) from the indoor and outdoor units
outdoor unit
2. Recover the fluid charge in the indoor unit
3. Carefully uncoil all refrigeration connections
4. Unscrew the nuts at the ends of the refrigeration connection and the fittings/valves of both units
5. Position the refrigerant connection in line with the thread and tighten by hand to the maximum
6. Repeat this operation for the other connections to the indoor and outdoor unit
7. Using two adjustable spanners, tighten the refrigeration nuts, taking care not to
damage the threads, until a perfect seal is obtained. (the use of a torque spanner
is recommended, see tightening forces opposite)
8. Repeat procedure 4 for other connections
9. Air and moisture in the refrigerant circuit may cause the compressor to malfunction.
Bleed air and moisture from the refrigerant circuit using a vacuum pump.
ATTENTION: A leak test must be carried out after installation.
42
~20
MINUTES
FAST
COMMISSIONING
remove the sleeves/adaptors
OK
100%
SECURE
SECURE
COMMISSIONING
indoor unit
Size of the tube
1/4
3/8
1/2
5/8
NO
1H
20min
1H
20min
force
.
15~20 N.m
.
31~35 N.m
.
35~45 N.m
.
75~80 N.m
12