Tubing Size - Sanyo Classic PACi Serie Instrucciones De Instalación

1-5. Tubing Size

(A) Single type
● Refrigerant tubing between the indoor and outdoor units
should be kept as short as possible.
● The lengths of the refrigerant tubes between the indoor and
outdoor units are limited by the elevation difference between
the 2 units. During tubing work, try to make both the tubing
length (L) and the difference in elevation (H1) as short as
possible. Refer to Table 1-7.
Single
(B) Simultaneous operation multi (Twin, Triple, Double-Twin)
N OT E
Because the indoor units run simultaneously, install them within the same room.
Table 1-8
Item
Maximum
allowable tubing
Allowable
length
tubing
Maximum
lengths
distribution
tubing length
Maximum branch tubing
length
Maximum difference between lengths of No. 1
distribution tubing (double twin)
Maximum difference between lengths of No. 2
distribution tubing (double twin)
Maximum
Maximum
indoor-outdoor
allowable
height difference
height
difference
Maximum height difference between indoor units
* For connection tubing sizes, refer to Table 1-8 above.
Twin
Main
tubing L
A
Distribution joint
1
2
Distribution joint
(purchase separately)
A = APR-P160BG
B = APR-RTP280AGB
N OT E
● 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).
Main tubing L
Contents
Single
One-way length of tubing
from outdoor unit to the
most distant indoor unit
Maximum length
following the first branch
point (No. 1 distribution)
Difference between the
maximum length and
minimum length in tubing
following the first branch point
If outdoor unit is higher
If outdoor unit is lower
Triple
Main
tubing L
B
1
Distribution tubing
2
Table 1-7
Outdoor unit type
Maximum allowable tubing length
Charge-less tubing length
Additional charge per 1 m
Outdoor unit type
Maximum allowable tubing length
Charge-less tubing length
Additional charge per 1 m
Symbol
Twin Triple
L + 1 L + 1, L + 2
L
L + 2 L + 3
–
1, 2 1, 2, 3
1 > 2 > 3
1 > 2 1 – 2
–
1 – 2 1 – 3
2 – 3
– – –
– – –
H1
H1
– H2 H2, H3, H4
Double-Twin
Main
tubing L
3
9
(actual length)
(actual length)
Double-Twin
L + L1 + 1, L + L1 + 2
L + L2 + 3, L + L2 + 4
L1 + 1, L1 + 2
L2 + 3, L2 + 4
Max: L2 + 4
Min: L1 + 1
(L2 + 4) – (L1 + 1)
L2 > L1
L2 – L1
2 > 1, 4 > 3
2 – 1, 4 – 3
H2, H3, H4, H5, H6, H7
A
L1
Distribution joint No. 1
L2
A
1
2
Distribution joint
3
No. 2
25 type
50 m
3 – 20 m
40 g
36, 48 types
50 m
5 – 30 m
40 g
Actual length (m)
25 25
36, 48
single twin
50 40 50
–
15 15
–
10 10
– –
10
– –
10
30 30 30
15 15 15
–
0.5 0.5
A
4