Kaysun KMF-100 DVN4, Engineering Data Book

Page: 105 / 140

Mini Amazon III Series
104
3.4 Selecting Piping Diameters
Tables 3-3.4 to 3-3.6 below, specify the required pipe diameters for the indoor and outdoor piping. The main pipe (L
1
) and
first indoor branch joint (A) should be sized according to whichever of Tables 3-3.4 and 3-3.5 indicates the larger size.
Figure 3-3.3: Selecting piping diameters
Legend
L
1
Main pipe
Figures in parentheses
indicate indoor unit
capacity indexes.
L
2
to L
5
Indoor main pipes
a to f Indoor auxiliary pipes
A to E Indoor branch joints
Table 3-3.4: Main pipe
1
(L
1
) indoor main pipes (L
2
to L
5
) and indoor branch joint kits
Capacity of indoor unit (A×10) Gas pipe (mm) Liquid pipe (mm) Branch joint kit
A<160 Φ15.9 Φ9.53 KCMI 112
160≤A<230 Φ19.1 Φ9.53 KCMI 112
Notes:
1. The main pipe (L
1
) and first indoor branch joint (A) should be sized according to whichever of Tables 3-3.4 and 3-3.5
indicates the larger size.
Table 3-3.5: Main pipe
1
(L
1
) and first indoor branch joint (A)
Capacity of
outdoor unit
(A×10)
Equivalent length of all liquid pipes and gas pipes < 90m Equivalent length of all liquid pipes and gas pipes ≥ 90m
Gas pipe (mm)
Liquid pipe
(mm)
Branch joint kit Gas pipe (mm)
Liquid pipe
(mm)
Branch joint kit
A<155 Φ15.9 Φ9.53 KCMI 112 Φ19.1 Φ9.53 KCMI 112
155≤A<230 Φ19.1 Φ9.53 KCMI 112 Φ22.2 Φ9.53 KCMI 212
Notes:
1. The main pipe (L
1
) and first indoor branch joint (A) should be sized according to whichever of Tables 3-3.4 and 3-3.5 indicates the larger size.
2.
The straight distance between copper pipe turning and the contiguous branch pipe is at least 0.5 m.
3.
The straight distance between the contiguous branch pipes is at least 0.5 m.
4.
The straight distance which the branch pipes connected to the IDU is at least 0.5 m.
Table 3-3.6: Indoor auxiliary pipes (a to f)
Capacity of indoor unit (A×100W) Gas pipe (mm) Liquid pipe (mm)
A≤45 Φ12.7 Φ6.35
A≥56 Φ15.9 Φ9.53
Table 3-3.7: Pipe diameter of the outdoor unit itself
Outdoor unit model Gas pipe (mm) Liquid pipe (mm)
KMF-80~140 DVN4 Φ 15.9 Φ 9.53
KMF-160 DVN4 Φ19.1 Φ9.53