1 to 120 Horsepower Air
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Drake Refrigeration Chiller
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chillers. Custom built chillers is our specialty. Drake has over 70
chillers in stock for immediate delivery.
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PWCT
Scroll Series Capacity Table
Drake Model
Compressor
LWT ºF
105º COND TEMP
Drake Model
Compressor
LWT ºF
105º COND TEMP
TONS
KW
EER
TONS
KW
EER
18S
ZB15K
44.0
1.7
1.6
12.9
24S
ZB19K
44.0
2.2
2.0
12.9
45.0
1.7
1.6
12.7
45.0
2.1
2.0
12.8
50.0
1.9
1.6
14.3
50.0
2.4
2.0
14.4
55.0
2.1
1.6
15.7
55.0
2.6
2.0
15.7
60.0
2.3
1.6
17.2
60.0
2.9
2.0
17.4
65.0
2.5
1.6
18.9
65.0
3.1
2.0
19.1
27S
ZB21K
44.0
2.4
2.2
13.0
30S
ZB26K
44.0
3.0
2.7
13.1
45.0
2.4
2.2
12.9
45.0
2.9
2.7
12.9
50.0
2.6
2.2
14.4
50.0
3.3
2.7
14.4
55.0
2.9
2.2
15.9
55.0
3.6
2.7
16.0
60.0
3.2
2.2
17.7
60.0
3.9
2.7
17.6
65.0
3.5
2.2
19.5
65.0
4.3
2.7
19.3
36S
ZB30K
44.0
3.5
3.2
13.0
48S
ZB38K
44.0
4.3
3.9
13.4
45.0
3.5
3.2
12.9
45.0
4.3
3.9
13.2
50.0
3.8
3.2
14.4
50.0
4.8
3.9
14.7
55.0
4.2
3.2
16.1
55.0
5.2
3.9
16.2
60.0
4.7
3.1
17.8
60.0
5.7
3.9
17.8
65.0
5.1
3.1
19.6
65.0
6.3
3.9
19.4
60S
ZB45K
44.0
5.1
4.7
13.0
70S
ZB56K
44.0
6.2
6.0
12.5
45.0
5.0
4.7
13.0
45.0
6.2
6.0
12.4
50.0
5.6
4.7
14.3
50.0
6.9
6.0
13.8
55.0
6.1
4.7
15.6
55.0
7.5
6.0
15.0
60.0
6.7
4.8
16.9
60.0
8.3
6.0
16.5
65.0
7.3
4.8
18.2
65.0
9.2
6.1
18.1
80S
ZB68K
44.0
7.6
7.2
12.6
90S
ZB75K
44.0
8.8
8.2
12.8
45.0
7.5
7.2
12.5
45.0
8.3
8.2
12.6
50.0
8.3
7.2
14.0
50.0
9.7
8.2
14.2
55.0
9.2
7.2
15.4
55.0
10.6
8.2
15.5
60.0
10.0
7.2
16.8
60.0
11.7
8.2
17.0
65.0
11.0
7.2
18.4
65.0
12.8
8.2
18.6
120S
ZB92K
44.0
10.8
10.3
12.6
180S
ZB11M
42.0
13.4
12.1
13.3
45.0
10.8
10.3
12.6
44.0
13.4
12.1
13.3
50.0
12.0
10.4
13.8
45.0
14.8
12.1
14.6
55.0
13.2
10.4
15.1
50.0
15.9
12.1
15.8
60.0
14.4
10.5
16.5
55.0
17.4
12.1
17.4
65.0
15.8
10.6
17.9
60.0
18.8
12.1
18.8
250S
ZR250K
44.0
18.1
16.4
13.2
300S
ZR300K
44.0
22.8
19.4
14.1
45.0
18.1
16.4
13.2
45.0
22.8
19.4
14.1
50.0
20.0
16.6
14.5
50.0
24.7
19.5
15.2
55.0
21.7
16.8
15.6
55.0
27.0
19.8
16.3
60.0
23.9
17.0
17.0
60.0
29.6
20.2
17.6
65.0
26.2
17.2
18.4
65.0
31.8
20.5
18.6
1. Capacities on this chart are based on refrigerant 22.
Low ambient or lower leaving water temperatures can require the use of a
glycol solution or other fluid blends. These solutions affect unit
capacities. Please consult the factory on these or other special fluids.
2. kW input is for compressor(s) only.
3. EER = Energy Efficiency Ratio (BTU/watt-hour). Power
inputs include compressor(s), condenser fan motor(s) and control power.
