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Allowable height difference
Between outdoor unit and indoor unit (When indoor
unit is installed below)
50 m or less (*1)
H1
Between outdoor unit and indoor unit (When outdoor
unit is installed below)
40 m or less
Between indoor units 50 m or less
H2, H3
Between outdoor units 0.5 m or less
H4
*1: Forinstallexceeding50m,refertotheDesignandTechnicalmanual".
Total refrigerant amount
16 HP to 34 HP models 62.8 kg or less
36 HP to 40 HP models 77.0 kg or less
4.1.3 In the case of 3 outdoor units connected
• Outdoorunitcapacity:Primary≥Subordinate1≥Subordinate2.
(Subordinate 2)
(Subordinate 1)
(Primary)
Outdoor unit
Indoor unit
Allowable pip length (actual pipe length)
Between primary outdoor unit and the farthest indoor
unit
165 m or less
a + e + f
a + e + p
Between the first separation tube and the farthest
indoor unit
90 m or less
f, p
(Farthest indoor unit) - (Closest indoor unit) 60 m or less
f(p) - g(q)
Total pipe length 1000 m or less
Total
Between outdoor unit and outdoor unit branch kit 3 m or less
a, b, c
Between the farthest outdoor unit and the first out-
door unit branch kit
12 m or less
b + d
c + d
Allowable height difference
Between outdoor unit and indoor unit (When indoor
unit is installed below)
50 m or less (*1)
H1
Between outdoor unit and indoor unit (When outdoor
unit is installed below)
40 m or less
Between indoor units 50 m or less
H2, H3
Between outdoor units 0.5 m or less
H4
*1: Forinstallexceeding50m,refertotheDesignandTechnicalmanual".
Total refrigerant amount
24 HP to 52 HP models 94.2 kg or less
54 HP to 60 HP models 115.5 kg or less
4.1.4 In the case of 4 outdoor units connected
• Outdoorunitcapacity:Primary≥Subordinate1≥Subordinate2≥Subordinate3.
O.U.-4
O.U.-3
O.U.-2
O.U.-1
a1
b1
b2d
c
a2
(Subordinate 2)
(Subordinate 3)
(Subordinate 1)
(Primary)
Outdoor unit
Indoor unit
Allowable pip length (actual pipe length)
Between primary outdoor unit and the farthest indoor
unit
165 m or less
a1 + c + e + f,
a1 + c + e + p
Between the first separation tube and the farthest
indoor unit
90 m or less
f, p
(Farthest indoor unit) - (Closest indoor unit) 60 m or less
f(p) - g(q)
Total pipe length 1000 m or less
Total
Between outdoor unit and outdoor unit branch kit 3 m or less
a1, a2, b1, b2
Between the farthest outdoor unit and the first out-
door unit branch kit
12 m or less
a1 + c, b1 + c,
a2 + d, b2 + d
Allowable height difference
Between outdoor unit and indoor unit (When indoor
unit is installed below)
50 m or less
H1
Between outdoor unit and indoor unit (When outdoor
unit is installed below)
40 m or less
Between indoor units 50 m or less
H2, H3
Between outdoor units 0.5 m or less
H4
Total refrigerant amount
62 HP to 80 HP models 125.6 kg or less
NOTES:
• Iftheoutdoortemperatureduringcoolingoperationisexpectedtobe
–5 °C or less, outdoor unit must be installed lower than 5 m or less from the indoor unit.
• Please refer to “8.3.2. Checking total amount of refrigerant and calculating the amount
of refrigerant charge to be added” for the total amount of refrigerant.
4.2. Pipe selection
CAUTION
This unit is designed specifically for use with the R410A refrigerant. Pipes for R407C or
R22maynotbeusedwiththisunit.Donotuseexistingpipes.Improperpipeselection
will degrade performance.
O.U.
-4
O.U.
-3
O.U.
-2
O.U.
-1
I.U. I.U. I.U. I.U. I.U. I.U.
Pipe size (table A)
Pipe size (table B)
Pipe size (table C)
Pipe size (table D)
O.U.: Outdoor unit
I.U.: Indoor unit
(Primary)
(Subordi-
nate 3)
(Subordi-
nate 2)
(Subordi
-
nate 1)
First separation
tube (optional)
Outdoor unit
branch kit
(optional)
Separation tube
(optional)
(Wall thickness and pipe material for each diameter)
Outside
Diameter [mm]
6.35 9.52 12.70 15.88 19.05 22.22 28.58 34.92 41.27 44.45 50.80
Wall Thickness
[mm] (
*3)
0.8 0.8 0.8 1.0 1.2 1.0 1.0 1.2 1.43 1.49 1.70
Material
COPPER (
*1)
JIS H3300 C1220T-O or
equivalent
COPPER (*2)
JIS H3300 C1220T-H or equivalent
*1: Allowabletensilestress≥33(N/mm²)
*2: Allowabletensilestress≥61(N/mm²)
*3: Endurance pressure of the pipes 4.2 MPa
Select the pipe size in accordance with local rules.
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Productinformatie
| Merk | Fujitsu |
| Model | AJG072JATAH |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 5568 MB |
