Sanyo SPW-C1155DXHN8 Technical Data & Service Manual page 22

1. Model Selecting and Capacity Calculator
Refer to the graph below for the correction coefficients for Ruc and Ruh.
1.0
0.9
0.8
0.7
0.6
0.5
Note: When Ruc or Ruh is less than or equal to 1.0, the indoor unit capacity correction coefficient for both Ruc and Ruh is 1.0.
1
5. Graph of capacity correction coefficients
Graph of outdoor unit capacity characteristics (1 – (2))
2
3
4
Outdoor unit heating capacity correction coefficient during frosting/defrosting (1 – (4))
Outdoor intake air
temp. (°CWB RH85%)
5
Correction coefficient
* To calculate the heating capacity with consideration for frosting/defrosting operation, multiply the heating capacity found
from the capacity graph by the correction coefficient from the table above.
6
7
8
0.4 0.5 0.6 0.7 0.8 0.9
Corrected indoor/outdoor capacity ratio (Ruc or Ruh)
Outdoor unit cooling capacity
characteristics
* Broken line indicates a 14, 16 HP
DC inverter unit
130
WB = 22 C
120
110
WB = 19 C
100
90
Indoor air intake temp. (WB) = 16 C
80
-10 -5 0 5 10 15 20 25 30 35 40 45
Outdoor air intake temp. ( C DB)
–20 –15 –10 –8
0.97 0.97 0.97 0.96
Design of W-2WAY ECO-i SYSTEM Unit Specifications
Indoor unit capacity correction coefficient for Ruc (cooling)
Indoor unit capacity correction coefficient for Ruh (heating)
1.0 1.1 1.2 1.3 1.4 1.5
Outdoor unit heating capacity
characteristics
130
120
110
100
90
80
70
60
50
40
-20 -15 -10 -5
Outdoor air intake temp. ( C WB)
–6 –5 –4 –2 –1
0.94 0.91 0.89 0.87 0.87
2-12
1.6 1.7 1.8 1.9 2.0
Indoor air intake temp. ( C DB)
15
20
25
0 5 10 15
0 1 2 3
0.87 0.88 0.89 0.91 0.92
4 5 6
0.95 1.0