12 Special requirements for R32 units
Installation and operation manual
21
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600329-1E – 2023.02
OR
5. Fine-tune system with more detailed calculations in
NOTICE
The total refrigerant charge amount in the system MUST
always be lower than the number of connected indoor units
×15.96 [kg], with a maximum of 63.84 kg.
E.g. In a system with one indoor unit, the maximum
refrigerant charge amount is: 1×15.96=15.96 kg.
Example 1:
Room
A
B
C
D
Area [m²]
20
30
50
50
Installation height [m]
3.5
2.2
1.8
2.5
Lowest underground floor
—
—
●
●
Other floors
●
●
—
—
Charge limit [kg]
15.7
15.1
16.9
19.2
System charge limit [kg]
15.1
System charge [kg]
16.0
Judgement
a
b
b
b
b
B
D
C
A
a
Outdoor unit
b
Indoor unit
A/B/C/D
Room A/B/C/D
Example 2:
Room
A
B
C
D
Area [m²]
10
20
10
20
Installation height [m]
3.0
2.2
3.0
2.2
Lowest underground floor
—
—
●
●
Other floors
●
●
—
—
Charge limit [kg]
9.0
11.8
5.4
6.8
System charge limit [kg]
5.4
System charge [kg]
5.0
Judgement
a
b
b
b
b
B
D
C
A
a
Outdoor unit
b
Indoor unit
A/B/C/D
Room A/B/C/D
Example 3:
Room
A
B
Area [m²]
20
30
Installation height [m]
2.5
2.5
Lowest underground floor
—
—
Other floors
●
●
Charge limit [kg]
—
16.5
System charge limit [kg]
16.5
System charge [kg]
14.0
Judgement
a
b
A
B
a
Outdoor unit
b
Indoor unit
A/B
Room A/B
Example 4:
Room
A
B
Area [m²]
8
20
Installation height [m]
2.5
2.5
Lowest underground floor
—
—
Other floors
●
●
Charge limit [kg]
6.0
12.7
System charge limit [kg]
6.0
System charge [kg]
12.0
Judgement
a
A
B
b
b
a
Outdoor unit
b
Indoor unit
A/B
Room A/B
Содержание VRV 5-S RXYSA4A7V1B
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