Technical Data Manual

Design of Mini VRF SYSTEM
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1. Model Selecting and Capacity Calculator
1-5. Capacity Correction Graph According to Tubing Length and Elevation Difference
■
Capacity change characteristics
92 90 88 86 84 82 80 78 76
0 33 66 98 131 164 197 230 262 295 328 361
394 427
459 492
<Cooling>
<Heating>
Elevation difference (ft)
Equivalent length (ft)
164
131
98
66
33
0
–33
–66
–98
–131
*1
97 96 95 94 93 92 91
0 33 66 98 131 164 197 230 262 295 328 361
394 427
459 492
164
131
98
66
33
0
–33
–66
–98
–131
Elevation difference (ft)
*1
98
99
100
%
Equivalent length (ft)
Base capacity
change rate (%)
Base capacity
change rate (%)
94
100
%
98
96
●
Inverter model rated performance values
Item
Model
Cooling Heating
Cooling
capacity
BTU/h(kW)
Power
consumption
BTU/h(kW)
Heating
capacity
BTU/h(kW)
Power
consumption
BTU/h(kW)
U-36LE1U6, U-36LE1U6E
38,200 (11.2) 9,400 (2.76) 42,700 (12.5) 9,800 (2.88)
U-52LE1U6, U-52LE1U6E
52,900 (15.5) 16,600 (4.57) 60,000 (17.6) 15,600 (4.58)
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Outdoor unit heating capacity correction coefficient during frosting/defrosting (1 – (3))
* 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.
Outdoor intake air
–4 5 14 17 21 23 24 28 30 32 33 35 37 39 41 42
temp.
(°F WB RH 85%)
Correction
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
coefficient
TD831156-00_MINI_VRF_SYS.indb 11TD831156-00_MINI_VRF_SYS.indb 11 2012/01/31 14:38:432012/01/31 14:38:43