15
AHU Kit – Installation Instructions – 07/2023
General information and safety notes
1
25
20
15
10
5
0
5
4
3
2
1
0
1.22
1.22
1.49
1.49
1.0
1.2
1.4
1.6
1.8
2.0
1.0
1.2
1.4
1.6
1.8
2.0
[A
min
]: minimum indoor floor area (m
2
)
[A
min
]: minimum indoor floor area (m
2
)
[m
c
]: refrigerant charge (kg) of the outdoor unit
[m
c
]: refrigerant charge (kg) of the outdoor unit
Line 1
Line 2
Line 3
Standard
U-36PZ3E5
U-50PZ3E5
U-60PZ3E5A
U-71PZ3E5A
[m
max
] (kg)
0.95
1.33
1.30
1.49
Calculating example
Conditions
Outdoor unit: U-71PZ3E5A
Total pipe length: 40 m
Max. charge-less pipe length: 30 m
Refrigerant charged at shipment: 1.32 kg
Refrigerant charge in the field: 0,017 kg/m
Calculation
[m
c
] = [1] + [2] = [1] + ([3] * ([4] – [5]))
[m
c
] = 1.32 kg + (0.017 kg * (40 m – 30 m))
[m
c
] = 1.49 kg
U-100PZ3E5, U-100PZ3E8, U-125PZ3E5, U-125PZ3E8, U-140PZ3E5, U-140PZ3E8
[m
c
]
Refrigerant charge amount, specified in kilogrammes (kg)
[m
max
]
Maximum refrigerant charge amount, specified in kilogrammes (kg)
2.40 ≤ [m
c
] ≤ [m
max
]
Installation possible above the “Density Limit Line” for the relevant indoor/outdoor unit combina-
tion (see diagrams and tables below)
[m
c
] > [m
max
]
Cannot be installed
2.40
2.40
3.70
3.70
2
3
2.5
4
3.5
2
3
2.5
3.5
4
140.0
120.0
100.0
80.0
60.0
40.0
20.0
0.0
15.0
14.0
13.0
12.0
11.0
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
[A
min
]: minimum indoor floor area (m
2
)
[A
min
]: minimum indoor floor area (m
2
)
[m
c
]: refrigerant charge (kg) of the outdoor unit
[m
c
]: refrigerant charge (kg) of the outdoor unit
Line 1
Line 2
Line 3
Standard
U-100PZ3E5
U-100PZ3E8
U-125PZ3E5
U-125PZ3E8
U-140PZ3E5
U-140PZ3E8
[m
max
] (kg)
3.30
3.70
Содержание PAW-160MAH3M
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