Table of Contents
Advertisement
WESTINGHOUSE PACKAGE A/C MANUAL
9.7 Cooling capacity for 20Ton:
Ai r Fl o w（ CFM）
Ent（ DB）
o
F）
75
（
TGC
209.7
61
SHC
167.3
TGC
235.7
85
67
SHC
131.9
TGC
249.4
73
SHC
89.0
TGC
196.2
61
SHC
159.2
TGC
220.5
95
67
SHC
125.6
TGC
243.0
73
SHC
84.8
TGC
182.1
61
SHC
151.6
TGC
209.7
105
67
SHC
118.6
TGC
239.0
73
SHC
80.2
TGC
165.9
61
SHC
144.9
TGC
196.7
115
67
SHC
123.6
TGC
222.7
73
SHC
75.7
TGC
156.1
61
SHC
136.3
TGC
185.2
125
67
SHC
116.2
TGC
209.8
73
SHC
71.0
Notes:
1. All capacities are gross and have not considered indoor fan heat. To obtain NET cooling capacity subtract indoor fan heat.
2. TGC=Total Gross Capacity. (Unit: 1000Btu/h).
3. SHC=Sensible Heat Capacity. (Unit: 1000Btu/h).
Heating capacity for 20Ton:
Peak Net Heating(kW) at Indicated Dry Bulb
Outdoor Temp
(℉
)
70% RH
59
39.6
5
42.6
10.4
45.2
15.8
47.4
21.2
50.2
26.6
54.0
32
62.2
37.4
75.8
44.6
81.4
48.2
86.4
53.6
93.2
59
98.8
64.4
106.0
69.8
112.0
75.2
Notes:
1. For other airflows, see heating capacity correction factor tables.
2. Heating capacities and power are integrated to include the effects of defrost in the frost region.
40
6800
7600
80
85
90
75
80
212.3
222.1
234.9
215.6
220.3
199.5
215.2
227.7
176.9
212.3
238.7
241.4
244.8
242.9
244.7
162.4
191.5
222.1
138.1
168.9
254.3
257.5
260.8
252.3
255.9
121.5
148.1
173.8
90.8
124.4
201.1
210.9
225.3
198.8
207.6
191.5
204.3
218.4
168.9
199.1
223.7
227.0
231.7
230.0
233.6
156.1
186.7
217.2
131.1
164.1
246.1
249.2
252.6
244.8
247.6
116.6
145.2
172.2
86.7
120.8
187.0
196.7
213.0
188.6
193.5
181.2
190.6
206.4
162.6
187.5
213.0
217.9
219.5
211.4
216.2
149.6
180.3
212.5
137.6
157.7
240.6
242.2
243.9
242.2
243.9
111.4
141.2
169.1
82.2
115.6
172.4
188.6
204.9
170.7
180.5
167.0
182.8
198.5
154.3
174.9
200.0
201.6
204.9
198.4
203.2
143.4
174.0
204.9
130.1
152.0
226.0
229.2
230.9
229.2
232.5
106.7
137.4
167.5
77.5
112.2
162.2
177.6
192.9
160.7
169.9
157.2
172.0
186.9
145.2
164.6
188.3
189.8
203.9
186.8
191.4
134.9
163.8
182.9
122.4
143.1
212.8
215.9
217.4
215.9
219.0
100.3
129.3
157.6
72.7
105.5
Net Capacities(kW)-8400 CFM
68
75.2
37.2
36.4
40.8
40.0
44.0
43.6
46.0
45.6
49.4
49.0
53.2
52.4
61.6
60.6
75
74.2
80.4
79.6
89.4
89.0
91.8
91.2
97.0
96.0
103.8
102.4
109.0
107.2
8400
85
90
75
80
85
230.0
242.9
218.0
223.7
238.2
222.9
235.4
186.7
216.8
230.8
246.1
247.8
246.0
247.9
249.4
201.1
231.7
140.5
173.8
207.6
260.8
263.8
255.6
259.1
262.2
151.6
176.7
92.6
125.6
154.3
220.5
233.3
206.0
210.9
227.0
211.4
223.7
178.7
204.3
219.9
234.9
236.5
238.2
240.0
241.6
196.4
230.0
136.4
169.1
206.0
251.5
255.9
247.1
250.4
253.6
149.3
178.7
88.5
123.0
153.0
209.7
219.5
191.9
200.0
217.9
203.2
212.7
172.4
193.8
211.1
222.7
226.0
222.7
226.0
229.2
191.5
202.7
129.1
165.7
201.1
245.5
248.7
245.5
247.1
248.7
146.2
177.1
83.8
119.5
150.3
196.7
213.0
175.6
187.0
204.9
190.6
206.4
162.6
181.2
198.5
206.5
209.7
209.7
213.0
217.9
185.4
209.7
136.6
159.4
193.5
234.1
235.7
234.1
235.7
237.4
143.1
174.0
81.4
115.5
149.6
185.2
200.6
165.3
176.0
192.9
179.5
194.3
153.0
170.6
186.9
194.4
197.5
197.5
200.6
205.2
174.5
193.4
128.5
150.0
182.2
220.5
222.0
220.5
222.0
223.6
134.6
163.8
76.4
108.6
140.8
)
Peak Total Power(KW) at Indicated Dry Bulb
(℉
80.6
59
68
35.8
18.4
20.2
39.6
18.8
20.6
43.6
19.0
20.8
45.0
19.2
21.0
48.2
19.4
21.2
51.8
19.6
21.6
59.8
20.0
22.0
73.6
20.8
23.4
78.8
21.6
24.0
88.2
22.4
25.0
90.2
23.0
25.6
95.2
23.6
26.2
101.0
24.0
26.6
106.0
24.6
27.0
R-410A : 220V: 60Hz
9200
90
75
80
85
90
249.4
227.0
230.0
243.0
252.6
241.7
194.8
222.9
235.6
244.9
251.3
247.9
249.4
252.6
254.3
241.4
143.8
178.7
214.0
249.4
265.5
259.1
263.4
266.6
269.9
183.4
94.2
127.0
156.3
188.6
239.8
210.9
218.8
233.3
244.7
232.4
186.7
212.1
226.1
237.1
242.9
239.0
242.2
244.3
247.1
239.8
140.3
177.1
214.0
227.1
255.2
252.0
256.9
260.1
263.4
183.4
90.3
125.1
156.1
188.3
232.5
196.7
208.1
224.4
237.4
225.3
178.7
201.7
217.4
230.0
232.5
227.6
230.9
234.1
237.4
232.5
134.0
172.2
210.9
227.4
250.4
247.1
248.7
250.4
253.6
181.8
85.6
121.2
154.2
190.2
221.1
180.5
193.5
211.4
226.0
214.3
174.5
187.5
204.8
219.0
221.1
214.6
217.9
221.1
227.7
221.1
128.2
167.5
206.5
226.0
239.0
235.7
237.4
239.0
240.6
183.7
81.4
120.4
152.9
187.0
208.2
169.9
182.2
199.0
212.8
201.8
163.9
176.5
192.9
206.2
208.2
202.1
205.2
208.2
214.7
203.9
120.5
157.6
194.4
210.3
225.1
222.0
223.6
225.1
226.6
173.0
76.4
113.2
143.8
176.0
)
(℉
75.2
80.8
21.4
22.6
21.6
23.0
21.8
23.4
22.2
23.8
22.6
24.2
23.0
24.4
23.4
24.8
24.2
25.6
25.4
27.0
26.4
28.0
27.0
28.6
27.8
29.2
28.0
29.4
29.0
30.0
Hide quick links:
Advertisement
Table of Contents
