Minimum area requirements
In case of total refrigerant amount ≥1.84 kg, the unit should be installed, operated and stored in a room with a floor area larger than
the minimum criteria. Use following graphic and table to determine these minimum criteria:
Refrigerant
Amount (kg)
Minimum Area
(m
2
) (H:2.2m)
1.84
28.81
1.9
30.72
2.0
34.09
2.1
37.53
2.2
41.19
2.3
45.02
2.4
49.02
2.5
53.19
2.6
57.53
2.7
62.04
2.8
66.72
2.9
71.58
Minimum room area for installation (m
2
)
0
10
20
30
40
50
60
70
80
90
100
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
Total refrigerant amount in the system (kg)
?
N O T E
In case of not achieving the minimum floor area, contact with your dealer.
Refrigerant piping size
Piping connection size of outdoor unit & indoor unit
Outdoor unit
Refrigerant pipe
Indoor Unit
Model
Piping length
Pipe Connection size
(Between Outdoor unit and
Indoor unit)
Pipe Connection size
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
2HP
3~50m
Ø 12.7 (1/2”)
Ø 6.35 (1/4”)
Ø 12.7
Ø 6.35
Ø 15.88 (5/8”) (*)
Ø 6.35 (1/4”)
2.5HP
3~50m
Ø 9.52 (3/8”) (*)
3HP
3~27m
Ø 15.88 (5/8”) (*) Ø 9.52 (3/8”) (*)
Ø 15.88
Ø 6.35
Ø 15.88 (5/8”)
Ø 9.52 (3/8”) (*)
27~40m
Ø 15.88 (5/8”)
Ø 9.52 (3/8”)
Ø 15.88
Ø 9.52
Ø 15.88 (5/8”)
Ø 9.52 (3/8”) (*)
?
N O T E
(*): The refrigerant gas and liquid piping size for 2/2.5/3HP are different between outdoor and indoor unit, so refrigerant pipe adapters are required.
These pipe adapters are factory supplied with the outdoor unit:
Model
Pipe adapter
Gas pipe
Liquid pipe
2 HP
Ø15.88→Ø12.7
-
2.5 HP
Ø15.88→Ø12.7
Ø9.52→Ø6.35
3.0 HP
-
Ø9.52→Ø6.35 (x2)
REFRIGERANT AND WATER PIPING
PMML0575 rev.1 - 09/2021
22
