Part 2 - Out
door Unit Engineering Da
ta
Amazon Unitario Top Discharge
21
20/22HP
Figure 2-2.3: 20/22HP dimensions (unit: mm)
1635
1340
825
R
77
63
50
Liquid pipe
connection
port (ΦA)
Gas pipe
connection
port (ΦB)
Check port (used to measure
system pressure and charge
additional
refrigerant
in
maintenance process)
Detail R
Table 2-2.3: 20/22HP connection piping diameter (unit: mm)
Size
20HP
22HP
A
Φ1
9.1
Φ1
9.1
B
Φ
31.8
Φ
31.8
Check port (used to measure
system pressure and charge
additional refrigerant in
maintenance process)