Carrier X-POWER Series - Page 18

Carrier service manual R410a DC Inverter 60Hz
Selection Procedure
15
OUC: Outdoors unit capacity
INX: Each indoor unit capacity index
TNX: Total capacity index
Then, correct the indoor unit capacity according to the piping length.
If the corrected capacity is smaller than the load, the capacity of indoor unit has to be increased and repeat
the same selection procedure.
1.4 Variation in capacity in accordance with the length of refrigerant pipe
1.4.1 Cooling capacity modification
Modification coefficient of the length and high difference of refrigerant pipe:
7 0
6 0
5 0
4 0
3 0
2 0
1 0
0
-1 0
-2 0
-3 0
-4 0
-5 0
-6 0
-7 0
-8 0
-9 0
-1 00
-1 10
1 0 2 0 3 0 4 0 50 6 0 7 0 8 0 90 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 0 1 7 0
1 8 0
100%
99 97
94
92 87 89
85
H (m )
L (m )L (m )
1 9 0
2 0 0
83
L: Refrigerant pipe equivalent length
H: Height difference between outdoor and indoor unit. Positive data means outdoor unit is top. Negative
data means outdoor unit is down.
1.4.2 Heating capacity modification
Modification coefficient of the length and high difference of refrigerant pipe:
7 0
6 0
5 0
4 0
3 0
2 0
1 0
0
-1 0
-2 0
-3 0
-4 0
-5 0
-6 0
-7 0
-8 0
-9 0
-1 0 0
-1 1 0
1 0 2 0 30 4 0 5 0 6 0 7 0 8 0 90 1 00 1 10 1 2 0 1 3 0 1 4 0 1 5 0 1 60 1 7 0
L ( m )
100%
99 98
97
95
96
93
H (m )
1 8 0 1 90
2 0 0
L: Refrigerant pipe equivalent length
H: Height difference between outdoor and indoor unit. Positive data means outdoor unit is top. Negative
data means outdoor unit is down.