15 SERVICE MANUAL FOR AMERICA
Heating Capacity Ratio Vs. Outdoor Temperature
Heating Capacity Correction Factor
0
0.2
0.4
0.6
0.8
1
1.2
1.4
5
14
20
30
36
45
50
59
Outdoor Temp.(deg F)
Capacity
Ratio
59
68
77
5.2.3 Indoor Units Capacity For 18000BTU
Capacity
Model
18000BTU
TAS-18EH
5.2.3.1 Cooling Capacity (BTU)---Run Model ,230V,Indoor fan at high speed
INDOOR ENTERING AIR DB/WB TEMPERATURE [
0
F]
OUTDOOR
ENTERING AIR DB
TEMPERATURE[0F]
DATA 72/59 75/63 81/66
84/70
90/73
14~68
(protection range)
TC
80 - 110 % of nominal
SC
80 - 105 % of nominal
PI
25 - 50 % of nominal
77
TC
17424
18504
19656 20808 21960
SC
15480
15750
16110 16380 16740
PI 1.19
1.21
1.23
1.25
1.27
86
TC
16560
17712
18864 19944 21096
SC
15030
15390
15660 16020 16290
PI 1.34
1.36
1.38
1.40
1.42
95
TC
15696
16848
18000 19152 20304
SC
14670
14940
15300 15660 15930
PI 1.46
1.48
1.52
1.54
1.56
104
TC
14904
16056
17136 18288 19440
SC
14310
14580
14940 15210 15570
PI 1.60
1.62
1.64
1.66
1.68
115
TC
13896
15048
16128 17280 18432
SC
13770
14130
14400 14760 15030
PI 1.77
1.79
1.81
1.83
1.87