Engineering Manual
55
FOR THE COMBINATION OF OUTDOOR UNIT
PUY-A·NKA7(-BS) PUY-A·NHA7(-BS)
Cooling performance curve
CAPACITY (RATIO)
Outdoor D.B.[
°C
] -18 -15 -10 -5 0 5 10 15 20 25 30 35 40 43 46
Outdoor D.B.[
°
F] 0
- -
23 32
-
50
-
68
-
86
-
104
-
115
Indoor W.B. 22
°C
(72
°
F)
1.186 1.182 1.178 1.175 1.174 1.173 1.170 1.165 1.155 1.141 1.119 1.090 1.052 1.024 0.993
Indoor W.B. 20
°C
(68
°
F)
1.130 1.125 1.120 1.116 1.114 1.111 1.107 1.101 1.091 1.076 1.056 1.028 0.993 0.968 0.939
Indoor W.B. 18
°C
(64
°
F)
1.073 1.068 1.062 1.058 1.054 1.050 1.045 1.038 1.027 1.013 0.993 0.967 0.934 0.911 0.885
Indoor W.B. 16
°C
(61
°
F)
1.018 1.012 1.006 1.000 0.995 0.990 0.984 0.976 0.965 0.951 0.932 0.908 0.877 0.855 0.831
TOTAL INPUT (RATIO)
Outdoor D.B.[
°C
] -18 -15 -10 -5 0 5 10 15 20 25 30 35 40 43 46
Outdoor D.B.[
°
F] 0
- -
23
- -
50
-
68
-
86
-
104
-
115
Indoor W.B. 22
°C
(72
°
F)
0.825 0.826 0.827 0.828 0.831 0.837 0.848 0.866 0.892 0.927 0.973 1.033 1.106 1.158 1.216
Indoor W.B. 20
°C
(68
°
F)
0.807 0.806 0.805 0.806 0.809 0.815 0.827 0.845 0.872 0.908 0.954 1.013 1.086 1.136 1.192
Indoor W.B. 18
°C
(64
°
F)
0.788 0.786 0.784 0.783 0.786 0.793 0.805 0.824 0.852 0.888 0.935 0.994 1.065 1.115 1.170
Indoor W.B. 16
°C
(61
°
F)
0.768
-28.9
-20
1.186
1.130
1.073
1.018
-28.9
-20
0.825
0.807
0.788
0.768 0.765 0.761 0.760 0.763 0.770 0.783 0.802 0.830 0.867 0.915 0.974 1.045 1.094 1.149
0.8
1.0
1.2
1.4
-2-30 0 -10 0 10 20 30 40
0.4
0.6
0.8
1.0
1.2
-20 -10 0 10 20 30 40
INDOOR W.B.
INDOOR W.B.
20
°C
(68
°
F)
18
°C
(64
°
F)
16
°C
(61
°
F)
OUT DOOR D.B. (
°C
)
(0
°
F)
(32
°
F) (50
°
F) (68
°
F) (86
°
F) (104
°
F) (115
°
F)
46
-18*
-28.9
(-20
°
F)
-40
(-40
°
F)
-30 -28.9
(-20
°
F)
-40
(-40
°
F)
Note:This diagram shows the case where the operation frequency of a compressor is fixed.
22
°C
(72
°
F)
20
°C
(68
°
F)
18
°C
(64
°
F)
16
°C
(61
°
F)
OUT DOOR D.B. ( )
(0
°
F)
(32
°
F) (50
°
F) (68
°
F) (86
°
F) (104
°
F) (115
°
F)
46
-18*
22
°C
(72
°
F)
TOTAL INPUT (RATIO) CAPACITY (RATIO)
°C