Panasonic U-72MF1U9, Technical Data Manual

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Design of 3WAY VRF SYSTEM
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1. Model Selecting and Capacity Calculator
1-9. Capacity Correction Graph According to Temperature Condition
Capacity characteristics
(The corrected capacity for specifi c temperature conditions can be found from the graphs below.)
Indoor air intake temp. (WB) = 71 F Indoor air intake temp. (WB) = 71 F
WB = 67°F
WB = 61°F
WB = 67°F
Indoor air intake temp. (WB) = 72°F
Indoor air intak
e temp
. (WB) = 72°F
WB = 61°F
Capacity r
atio (%)
Input r
atio (%)
80
90
100
120
130
80
70
60
50
40
30
20
10
14 23 32 41 50 59 68 77 86 95 104 113
90
100
120
6-Ton 8-Ton
< Cooling > < Heating >
130
120
100
90
80
70
60
50
40
130
120
100
90
80
70
60
50
- 4 5 14 23 32 41 50 59
61
70
79
61
70
79
Indoor air intake temp. (°F DB)
- 4 5 14 23 32 41 50 59
130
120
100
90
80
70
60
50
40
130
120
100
90
80
70
60
50
61
70
79
61
70
79
Indoor air intake temp. (°F DB)
Capacity r
atio (%)
Input r
atio (%)
Capacity r
atio (%)
Input r
atio (%)
110 110
110 110
110
110
Heating capacity correction coeffi cients 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 coeffi cient from the table above.
TD831158-00̲3WAY̲VRF̲SYS.indb 15 TD831158-00̲3WAY̲VRF̲SYS.indb 15 2012/01/23 17:30:13 2012/01/23 17:30:13