Selection Of Refrigerant Pipe Size - Daikin VRV Plus Series General Information Manual

Si33-003.book Page 95 Monday, June 25, 2001 9:06 AM
SiE33-003
7.3

Selection of Refrigerant Pipe Size

Capacity of indoor unit and size of refrigerant pipe (G)
Class 20
Cooling kcal/h 2,000
Capacity (19.5
Btu/h 7,900
˚CWB)
kW 2.3
Cooling kW 2.2
Capacity
(19 ˚CWB)
Heating kcal/h 2,200
Capacity
Btu/h 8,500
kW 2.5
Liquid Pipes
Gas Pipes
Less than 100
100 or more to 160 (160 excluded)
160 or more to 330 (330 excluded)
330 or more to 640 (640 excluded)
640 or more
Note: 1. KHRP26K40/75TP or KHRP26K40HP are pipe size reducer.
2. For system with total capacity of 640 and over, connect REFNET header after the REFNET joint branch
General Information
25 32 40
2,500 3,150 4,000 5,000
9,900 12,500 15,900 19,900
2.9 3.7 4.7 5.8
2.8 3.6 4.5 5.6
2,800 3,400 4,300 5,400
10,900 13,600 17,000 21,500
3.2 4.0 5.0 6.3
φ6.4
φ12.7
Selection of branch kit...REFNET joint (A) and REFNET beader (B)
Capacity
KHRP26K11T
KHRP26K18T
KHRP26K37T
KHRP26K40T + KHRP26K40TP
KHRP26K75T + KHRP26K75TP
kit.
50 63 80 100
6,300 8,000 10,000
25,000 31,800 39,700
7.3 9.3 11.6
7.1 9.0 11.2
6,900 8,600 10,800
27,300 34,100 42,700
8.0 10.0 12.5
φ9.5 φ9.5
φ15.9 φ19.1
REFNET joint (A)
KHRP26K11H (Max. 4 branches)
KHRP26K18H (Max. 6 branches)
KHRP26K37H (Max. 8 branches)
KHRP26K40H (Max. 8 branches) +
Note 1 KHRP26K40HP
Note 2
: http://splitoff.ru/tehn-doc.html
Appendix
125 200 250
12,500 20,000 25,000
49,600 79,000 99,000
14.5 23.0 28.8
14.0 22.4 28.0
13,800 21,500 27,000
54,600 85,300 107,500
16.0 25.0 31.5
φ12.7 φ12.7
φ25.4 φ28.6
REFNET header (B)
Note 1
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