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ALFA series
Model:
ALFA 12K WIFI, ALFA 18K WIFI, ALFA 24K WIFI
ALFA-installation manual-EN-R1 29.06.2020
5.
I
NFROMATION FOR THE INSTALLER
INVERTER TYPE
CAPACITY (Btu/h)
9K/13K
22/24K
Lenght of pipe with standard charge
4m
4m
Maximum distance between indoor and
outdoor unit
15m
15m
Additional refrigerant charge
15g/m
25g/m
Max. Diff. In level between indoor and outdoor
unit
5m
5m
Type of refrigerant
R32/R290
R32/R290
5.1.
T
IGHTENING TORQUE FOR PROTECTION CAPS AND FLANGE CONNECTION
PIPE
TIGHTENING TORQUE
[N x m]
CORRESPONDING STRESS
(using a 20cm wrench)
TIGHTENING TORQUE
[N x m]
1/4"
(
φ 6)
15-20
Wirst strength
Service port nut
7-9
3/8"
(
φ 9.52)
31-35
Arm strength
Protection caps
25-30
1/2"
(
φ 12)
35-45
Arm strength
5/8"
(
φ 15.88)
75-80
Arm strength
