Mitsubishi Electric CITY MULTI PUMY-P112VKM6, Руководство по обслуживанию

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OCH790 _24
5-5. Correcting capacity for changes in the length of refrigerant piping
During cooling, obtain the ratio (and the piping equivalent length) of the outdoor units rated capacity and the total in-use
indoor capacity, and find the capacity ratio corresponding to the standard piping length from Figure 5 to 7. Then multiply
by the cooling capacity from Figure 1 and 2 in “4-2. Correction by temperature” to obtain the actual capacity.
During heating, find the piping equivalent length, and find the capacity ratio corresponding to standard piping length from
Figure 8. Then multiply by the heating capacity from Figure 3 and 4 in “4-2. Correction by temperature” to obtain the actu-
al capacity.
■ Capacity Correction Curve
5-5-1. Cooling
PUMY-P112VKM6(-BS)
PUMY-P112YKM5(-BS)
PUMY-P112VKM6-ER(BS)
PUMY-P112YKM5-ER(BS)
0 20 40 60 80 100 120 140 160 180
0.50
0.55
0.60
0.65
0.70
0.75
0.80
0.85
0.90
0.95
1.00
9.4
6.3
12.5
16.2
Capacity ratio
Piping equivalent length (m)
Total capacity of indoor unit
<Figure 5> Correction of refrigerant piping length
PUMY-P125VKM6(-BS)
PUMY-P125YKM5(-BS)
PUMY-P125VKM6-ER(BS)
PUMY-P125YKM5-ER(BS)
Total capacity of indoor unit
0 20 40 60 80 100 120 140 160 180
0.50
0.55
0.60
0.65
0.70
0.75
0.80
0.85
0.90
0.95
1.00
10.5
7.0
14.0
18.2
Capacity ratio
Piping equivalent length (m)
<Figure 6> Correction of refrigerant piping length