Model selecting and capacity calculator – Sanyo DHX4852 User Manual
Page 24
2-14
Design of W-2WAY ECO-i SYSTEM Unit Specifications
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1-7. Capacity Correction Graph According to Temperature Condition
Capacity characteristics
(The corrected capacity for specific temperature conditions can be found from the graphs below.)
16HP
10HP
* The heating capacity when frost/defrost operation is considered is calculated by multiplying the heating capacity found from
the capacity graph by the correction coefficient from the table above.
Outdoor intake
air temp.
(°FWB, RH85%)
Correction coefficient
– 4
5
14
17
21
23
24
28
30
32
33
35
37
39
41
42
0.97 0.97 0.97 0.96 0.94 0.91 0.89 0.87 0.87 0.87
0.89 0.91 0.92 0.95 1.0
0.88
Indoor air intake temp. (
°
F DB)
59
68
77
59
68
77
Capacity ratio (%)
Input ratio (%)
130
120
110
100
90
80
70
60
50
40
130
120
110
100
90
80
70
60
50
– 4
5
14
23
32 41
50
59
Outdoor air intake temp. (°F WB)
Indoor air intake temp. (
°
F DB)
59
68
77
59
68
77
Capacity ratio (%)
Input ratio (%)
130
120
110
100
90
80
70
60
50
40
130
120
110
100
90
80
70
60
50
– 4
5
14
23
32
41
50
59
Outdoor air intake temp. (°F WB)
* Broken line indicates 16 HP DC inverter unit
Outdoor air intake temp. (°F DB)
130
120
110
100
90
80
120
110
100
90
80
70
60
50
40
30
20
10
)
%(
oit
ar
yti
ca
pa
C
)
%(
oit
ar
tu
pnI
14 23 32 41 50 59 68 77 86 95 104 113
WB = 66
°
F
Indoor air intake temp. (WB) = 71
°
F
WB = 60
°
F
Indoor air intak
e tem
p. (WB) = 71
°
F
WB = 66
°
F
WB = 60
°
F
Heating capacity correction coefficients for frost/defrost operation
Outdoor intake air
temp.
(°F WB RH85%)
– 4
5
14
17
21
23
24
28
30
32
33
35
37
39
41
42
Correction coefficient
0.97
0.97
0.97
0.96
0.94
0.91
0.89
0.87
0.87
0.87
0.88
0.89
0.91
0.92
0.95
1.0
*
The heating capacity when frost/defrost operation is considered is calculated by multiplying the heating capacity found
from the capacity graph by the correction coefficient from the table above.
1. Model Selecting and Capacity Calculator
TD831138-02_W-2WAY.indb 14
2007/07/26 14:30:36