– 104 –
Then refer to following table below, calculate
corrective amount of refrigerant according to
indoor unit horsepower (C).
Next, enter the total length for each liquid pipe diameter in the following table, and then calculate the additional
amount of refrigerant by pipe length.
Standard amount
of refrigerant
kg/m
Pipe diameter on
the liquid side
mm
<Additional amount of refrigerant by
pipe length (B)>
6.4
9.5
12.7
15.9
19.0
22.2
25.4
0.025 ×
0.055 ×
0.105 ×
0.160 ×
0.250 ×
0.350 ×
0.470 ×
HP
kg
Corrective amount
of refrigerant
Capacity code
(Equivalent to HP)
Indoor unit
capacity rank
005
007
008
009
010
012
014
015
017
018
020
024
027
030
036
048
056
072
096
0.6
0.8
0.9
1
1.1
1.25
1.5
1.7
1.85
2
2.25
2.5
3
3.2
4
5
6
8
10
0.2 ×
0.4 ×
0.6 ×
1.0 ×
<According to indoor unit horsepower>
<Corrective amount of refrigerant according to
indoor unit horsepower (C)>
HP
kg
kg
Number of
connected indoor
units
Number
Corrective amount
of refrigerant
Indoor Unit
Capacity
Corrective amount
of refrigerant on each
indoor unit horsepower
<According to indoor unit horsepower for Hot Water Module (HWM)>
2.5
4
5
8
=
=
=
=
kg
kg
kg
kg
0.4
0.2
<According to indoor unit horsepower for High Efficiency 4-Way Cassette (MMU-UP
∗∗∗∗
H
∗
)>
<According to indoor unit horsepower for Fresh Air Intake)>
Corrective amount of refrigerant: 0 kg
Corrective amount
of refrigerant
kg
Indoor Unit
Capacity
HP
Number of
connected indoor
units
Number
Corrective amount
of refrigerant on each
indoor unit horsepower
kg
1.7
2
2.5
3
3.2
4
5
6
0.6
=
=
=
=
=
=
=
=
kg
kg
kg
kg
kg
kg
kg
kg