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Performance data — 50HJQ (cont)
50HJQ016 (15 Tons)
Temp (F)
4500/0.06
Outdoor
Entering Air
(Edb)
72
67
TC
210.0
192.0
75
SHC
100.6
125.2
kW
13.58
13.12
TC
202.0
183.0
85
SHC
98.0
121.8
kW
14.86
14.32
TC
192.4
173.2
95
SHC
94.8
118.0
kW
16.16
15.52
TC
182.0
163.0
105
SHC
91.0
114.2
kW
17.36
16.64
TC
171.2
152.4
115
SHC
87.4
110.2
kW
18.54
17.72
TC
159.4
141.2
125
SHC
83.6
105.8
kW
19.64
18.74
LEGEND
BF
— Bypass Factor
Edb — Entering Dry-Bulb
Ewb — Entering Wet-Bulb
kW — Compressor Motor Power Input
SHC — Gross Sensible Heat Capacity (1000 Btuh)
TC
— Gross Total Capacity (1000 Btuh)
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
t
= t
–
ldb
edb
1.10 x cfm
t
= Wet-bulb temperature corresponding to enthalpy of air leav-
lwb
ing indoor coil (h
)
lwb
total capacity (Btuh)
h
= h
–
lwb
ewb
4.5 x cfm
Where: h
= Enthalpy of air entering indoor coil
ewb
50HJQ004 (3 Tons)
Return
Cfm
Air
(Standard
–20
(F db)
Air)
Cap. 10.3 9.47 13.7 12.6 16.8 15.4 20.1 18.5 23.5 21.3 27.6 24.2 31.9 31.9 35.1 35.1 36.3 36.3 40.3 40.3
900
kW
1.48
Cap. 10.8 9.92 14.2 13.0 17.3 15.9 20.7 19.0 24.0 21.7 28.3 24.8 32.8 32.8 36.2 36.2 37.4 37.4 41.5 41.5
55
1200
kW
1.45
Cap. 11.1 10.2 14.6 13.4 17.6 16.2 21.2 19.4 24.4 22.1 28.9 25.3 33.5 33.5 36.5 36.5 37.7 37.7 41.2 41.2
1500
kW
1.43
Cap. 8.67 7.97 11.9 10.9 15.1 13.9 18.6 17.1 22.2 20.2 26.4 23.1 30.5 30.5 33.6 33.6 34.7 34.7 39.0 39.0
900
kW
1.69
Cap. 9.15 8.42 12.4 11.4 15.7 14.5 19.3 17.7 22.9 20.7 27.1 23.8 31.4 31.4 34.6 34.6 35.8 35.8 40.0 40.0
70
1200
kW
1.67
Cap. 9.55 8.78 12.8 11.8 16.2 14.9 19.8 18.2 23.3 21.1 27.7 24.3 32.0 32.0 35.2 35.2 36.4 36.4 40.2 40.2
1500
kW
1.65
Cap. 7.32 6.73 10.6 9.79 14.1 12.9 17.7 16.2 21.4 19.4 25.6 22.4 29.5 29.5 32.5 32.5 33.7 33.7 38.1 38.1
900
kW
1.83
Cap. 7.80 7.17 11.2 10.3 14.7 13.5 18.4 16.8 22.1 20.1 26.3 23.1 30.4 30.4 33.6 33.6 34.7 34.7 39.0 39.0
80
1200
kW
1.81
Cap. 8.22 7.56 11.7 10.7 15.2 14.0 18.8 17.3 22.6 20.5 26.9 23.5 31.1 31.1 34.3 34.3 35.5 35.5 39.6 39.6
1500
kW
1.79
See Legend and Notes on page 97.
96
COOLING CAPACITIES (cont)
Indoor Entering Air — Cfm/BF
5250/0.08
Indoor Entering Air — Ewb (F)
62
72
67
62
173.4
216.0
196.6
178.4
148.2
106.0
134.0
160.6
12.66
13.76
13.28
12.84
164.4
208.0
187.8
169.0
144.2
103.8
131.2
156.4
13.78
15.08
14.52
13.98
155.0
196.2
177.8
159.2
140.0
100.2
127.4
152.6
14.88
16.32
15.72
15.10
145.0
186.4
167.0
149.4
135.2
96.8
123.6
147.6
15.92
17.58
16.86
16.16
134.8
175.0
156.2
140.6
130.8
92.6
119.4
140.6
16.90
18.76
17.94
17.24
125.0
162.8
143.8
132.0
125.0
89.0
115.0
131.8
17.88
19.86
19.00
18.34
INSTANTANEOUS AND INTEGRATED HEATING RATINGS
Temperature Air Entering Outdoor Coil (F db at 70% rh)
–10
0
10
1.58
1.66
1.75
1.52
1.59
1.66
1.49
1.54
1.60
1.83
1.95
2.08
1.78
1.88
1.99
1.75
1.84
1.93
1.99
2.14
2.30
1.95
2.08
2.20
1.92
2.04
2.15
6000/0.10
72
67
62
72
220.0
202.0
182.2
222.0
110.6
143.0
172.2
115.0
13.88
13.44
12.98
13.96
212.0
191.4
172.8
212.0
109.0
140.0
168.6
112.0
15.22
14.66
14.14
15.26
200.0
180.8
163.4
202.0
105.6
136.4
163.4
110.6
16.48
15.88
15.30
16.62
188.6
170.0
155.4
191.0
101.8
132.6
155.2
107.2
17.70
17.04
16.48
17.84
177.8
158.8
146.8
179.4
98.8
128.2
146.8
103.6
18.94
18.12
17.60
19.02
165.6
147.0
137.8
166.6
94.4
123.6
137.8
99.8
20.00
19.12
18.72
20.20
3. SHC is based on 80 F edb temperature of air entering indoor coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
BYPASS
79
FACTOR
81
(BF)
.05
1.04
.10
.98
.20
.87
.30
.76
Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).
17
30
1.85
1.97
1.73
1.82
1.66
1.74
2.21
2.38
2.09
2.22
2.02
2.12
2.45
2.64
2.33
2.48
2.25
2.38
6750/0.10
7500/0.12
67
62
72
204.0
185.6
224.0
206.0
151.2
183.2
120.2
158.2
13.52
13.10
14.02
13.60
194.0
177.2
214.0
195.8
148.0
177.0
116.2
155.6
14.78
14.30
15.34
14.86
183.4
169.0
204.0
185.4
144.8
169.0
114.2
153.2
16.00
15.54
16.64
16.12
172.2
160.8
193.0
173.8
141.2
160.6
112.2
149.6
17.18
16.74
17.94
17.28
160.8
152.2
179.6
162.2
136.8
151.8
107.2
144.6
18.28
17.90
19.04
18.38
148.8
143.0
168.2
150.0
132.2
142.8
105.0
139.6
19.28
19.00
20.20
19.40
ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
82
83
84
85
Correction Factor
2.07
3.11
4.14
5.18
1.96
2.94
3.92
4.90
Use formula
shown below.
1.74
2.62
3.49
4.36
1.53
2.29
3.05
3.82
40
47
50
2.11
2.22
2.27
1.94
2.03
2.06
1.83
1.90
1.92
2.54
2.67
2.72
2.35
2.45
2.49
2.23
2.32
2.35
2.82
2.97
3.02
2.62
2.73
2.78
2.50
2.60
2.63
67
62
190.2
190.0
13.26
182.2
182.2
14.50
174.2
173.8
15.76
165.2
165.2
16.96
156.4
156.2
18.16
146.8
146.6
19.28
under 75
over 85
60
2.41
2.18
2.00
2.92
2.64
2.46
3.25
2.94
2.76
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