11
(B) Simultaneous operation multi (Twin, Triple, Double-Twin)
Because the indoor units run simultaneously, install them within the same room.
NOTE
Single
Twin
Triple
Double-Twin
Actual
length (m)
L
L + 1
L + 2
L + 3
L + 1, L + 2
L + L1 + 1, L + L1 + 2
L2 + 3, L2 + 4
Max.: L2 + 4
Min.: L1 + 1
(L2 + 4) – (L1+ 1)
L1 + 1, L1 + 2
1, 2
1 > 2
1 > 2 > 3
1 – 2
1 – 2
1 – 3
2 – 3
L + L2 + 3, L + L2 + 4
1, 2, 3
≤ 50
≤ 15
≤ 10
≤ 10
≤ 10
≤ 30
≤ 15
≤ 0.5
Item
Contents
Allowable
tubing
lengths
Maximum allowable
tubing length
One-way length of tubing from outdoor
unit to the most distant indoor unit
Maximum distribution
tubing length
Maximum length following the first
branch point (No. 1 distribution)
Maximum branch tubing
length
Difference between the maximum
length and minimum length in tubing
following the first branch point
Maximum difference between lengths of No. 1 distribution tubing
(double twin)
Maximum difference between lengths of No. 2 distribution tubing
(double twin)
Maximum
allowable
height
difference
Maximum indoor-outdoor
height difference
If outdoor unit is higher
If outdoor unit is lower
Maximum height difference between indoor units
Symbol
L2 > L1
2 > 1
4 > 3
2 – 1
4 – 3
L2 – L1
H2
H2, H3, H4 H2, H3, H4, H5, H6, H7
–
–
–
––
–
–
––
H1
H1
Triple
Twin
Double-Twin
Main
tubing L
Main tubing L
Main
tubing L
Distribution joint No. 1
Distribution joint
(purchase separately)
Distribution joint
Distribution tubing
A
A
A
1
2
2
A
1
1
2
3
3
4
* For connection tubing sizes, refer to table above.
B
H1
H1
H1
H2
H2
H2
H4H3
H3
H6
H7
H5
Distribution joint
No. 2
L1
L2
A = K70A056Z
B = K70A061Z
● For refrigerant tube branches, use the optional distribution joints.
● For cautions on the use of the optional distribution joints, be sure to refer to the provided instruction sheet. Also,
be careful to install them in the correct direction (orientation).
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