Limitation - Fujitsu AU G18LVLB Series Design & Technical Manual

1-2.

LIMITATION

IN THE CASE OF SIMULTANEOUS MULTI SYSTEM INSTALLATION
„ „
Twin type
z „
L2
H2
L3
Note:
Be certain to install indoor units in the
same room because the combinations
are for simultaneous operation.
The lengths after branching should be
equal if possible.
Triple type
z „
L2
L3
H2
L4
Note:
Be certain to install indoor units in the
same room because the combinations
are for simultaneous operation.
The lengths after branching should be
equal if possible.
Model (Outdoor unit)
Model (Indoor unit)
L1
Main pipe diameter (L1)
<Liquid/Gas>
H1
(Standard)
Branch pipe diameter (L2, L3)
<Liquid/Gas>
Max. piping length
(L1+L2+L3)
Min. piping length
(L1+L2+L3)
Max. branch piping
length (L2, L3)
Max. difference between branch
lengths (L2 to L3)
Max. height difference (H1)
<Indoor unit to outdoor unit>
Max. height difference (H2)
<Indoor unit to indoor unit>
*1: For the standard pipe diameter.
Model (Outdoor unit)
Model (Indoor unit)
Main pipe diameter (L1)
<Liquid/Gas>
L1
(Standard)
H1
Branch pipe diameter
(L2, L3, L4)
<Liquid/Gas>
Max. piping length
(L1+L2+L3+L4)
Min. piping length
(L1+L2+L3+L4)
Max. branch piping length
(L2, L3, L4)
Max. difference between branch
lengths (L2 to L4)
Max. height difference (H1)
<Indoor unit to outdoor unit>
Max. height difference (H2)
<Indoor unit to indoor unit>
*1: For the standard pipe diameter.
- (04-02) -
36 model 45 model 54 model
18 model 22 model
x 2 x 2
9.52 (3/8) / 15.88 (5/8)
[mm (in.)]
6.35
(1/4)
/
12.70
[mm (in.)] (1/2)
75 *
[m]
5
[m]
20
[m]
8
[m]
30
[m]
0.5
[m]
54 model
18 model x 3
9.52 (3/8) / 15.88 (5/8)
[mm (in.)]
6.35 (1/4) / 12.70 (1/2)
[mm (in.)]
75 *
[m]
5
[m]
20
[m]
8
[m]
30
[m]
0.5
[m]
24 model
x2
9.52 (3/8)
/
15.88 (5/8)
1
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