V6R VRF 50Hz
Part 1 - Gener
al In
forma
tion
Mini Amazon III Series
9
The number of connected indoor units is 4 and the maximum number of connected indoor units on the 10kW outdoor
unit is 6, so the number of connected indoor units is within the limitation.
Calculate the corrected capacity of the outdoor unit:
a)
The sum of the indoor unit CIs is 120 and the CI of the 10kW outdoor unit is 100, so the combination ratio is 120
/ 100 = 120%.
b)
Using the outdoor unit’s cooling capacity table, interpolate to obtain the capacity (“B”) corrected for outdoor air
temperature, indoor air temperature, and combination ratio. Refer to Tables 1-5.6 and 1-5.7.
Table 1-5.6: Extract from Table 2-7.1 KMF-100 DVN4
cooling capacity
Table 1-5.7: Cooling capacity calculated by interpolation
CR
Outdoor air
temp.
(°C DB)
Indoor air temp.
(°C DB / °C WB)
CR
Outdoor air
temp.
(°C DB)
Indoor air temp.
(°C DB / °C WB)
25.8 / 18.0
25.8 / 18.0
TC
PI
TC
PI
kW
kW
kW
kW
120%
31
10.5
2.39
120%
33
10.4
2.48
33
10.4
2.48
35
10.2
2.57
B =10.4
1
110%
31
10.3
2.34
110%
33
10.2
2.46
33
10.2
2.46
35
10.0
2.55
c)
Find the correction factor for piping length and level difference (“K1”)
Figure 1-5.3: Mini rate of change in cooling capacity
d)
Calculate the corrected capacity of KMF-100 DVN4
(“C”) by using K1:
C = B × K1 = 10.4 × 0.968 =10.07kW
The corrected capacity 10.07 kW is lower than required total heat load 10.5kW, so selection is not complete. Step 3
should be repeated from the point where the outdoor unit capacity is provisionally selected.
Содержание KMF-100 DVN4
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