Daikin RXYQ5-48MAY1, Руководство по обслуживанию

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Selection of Pipe Size, Joints and Header Si39-407
314 Appendix
6. Selection of Pipe Size, Joints and Header
6.1 RXYQ5MAY1, RXYQ8MAY1, RXYQ10MAY1,
RXYQ12MAY1, RXYQ14MAY1,
RXYQ16MAY1
6.1.1 How to select the REFNET Joint
How to select the REFNET Joint
Select the REFNET Joint from the following table when using REFNET Joints at the first branch
counted from the outdoor unit side.
(Ex. : REFNET Joint A)
For REFNET Joints other than the first branch, select the proper ones based on the total
capacity index of the indoor units installed after the first branch using the following table :
6.1.2 How to select pipe size
Between outdoor unit and uppermost stream REFNET Joint.
Piping Material
Select the piping material to be used from the next table according to piping size.
Wall thickness of refrigerant pipe
(Unit : mm)
∗
The table shows the requirements of Japanese High Pressure Gas Control low. The thickness
and material shall be selected in accordance with local code. (As of Jan.2003)
Outdoor Unit REFNET Joints (Kit Name)
RXYQ5MAY1 KHRP26M22T
RXYQ8MAY1,10MAY1 KHRP26M33T
RXYQ12MAY1-16MAY1 KHRP26M72T
Total capacity index of indoor
units
REFNET Joints (Kit Name)
<200 KHRP26M22T
≥
200~<290 KHRP26M33T
≥
290 KHRP26M72T
Pipe size connected to outdoor unit.
Outdoor Unit Gas Liquid
RXYQ5MAY1
φ
15.9
φ
9.5 RXYQ8MAY1
φ
19.1
RXYQ10MAY1
φ
22.2
RXYQ12MAY1-16MAY1
φ
28.6
φ
12.7
Piping Size (O / D) Temper grade of Material
φ
15.9 or less O
φ
19.1 or more 1 / 2H or H
Temper grade O Type 1/2H Type
Copper tube O.D
φ
6.4
φ
9.5
φ
12.7
φ
15.9
φ
19.1
φ
22.2
φ
25.4
φ
28.6
φ
31.8
φ
34.9
φ
38.1
φ4
1.3
Copper tube W.T
(Minimum
requirement)
0.80 0.80 0.80 0.99 0.80 0.80 0.88 0.99 1.10 1.21 1.32 1.43