International Comfort Products ENH4X24C17A1, ENH4X24T17A1, ENH4X30C17A1, ENH4X30T17A1, ENH4X31C17A1 User Manual
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TECHNICAL SUPPORT MANUAL Horizontal Evaporator Coils ENH4X
Safety Labeling and Signal Words
DANGER, WARNING, CAUTION, and NOTE
The signal words DANGER, WARNING, CAUTION, and NOTE are used to identify levels of hazard seriousness. The signal word DANGER is only used on product labels to signify an immediate hazard. The signal words WARNING, CAUTION, and NOTE will be used on product labels and throughout this manual and other manuals that may apply to the product.
DANGER − Immediate hazards which will result in severe personal injury or death.
WARNING − Hazards or unsafe practices which could result in severe personal injury or death.
CAUTION − Hazards or unsafe practices which may result in minor personal injury or product or property damage.
NOTE − Used to highlight suggestions which will result in enhanced installation, reliability, or operation.
Signal Words in Manuals
The signal word WARNING is used throughout this manual in the following manner:
!WARNINGWARN G
The signal word CAUTION is used throughout this manual in the following manner:
!CAUTION
Signal Words on Product Labeling
Signal words are used in combination with colors and/or pictures on product labels.
TABLE OF CONTENTS
Model Number Identification . . . . . . . . . . . . . . . . . . . . . 2
Airflow Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 − 5
Exploded Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
ENH4X**C Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
ENH4X**T Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
MODELS
ENH4X24C17A1 ENH4X24T17A1
ENH4X30C17A1 ENH4X30T17A1
ENH4X31C17A1 ENH4X31T17A1
ENH4X36C17A1 ENH4X36T17A1
ENH4X42C21A1 ENH4X42T21A1
ENH4X43C21A1 ENH4X43T21A1
ENH4X48C21A1 ENH4X48T21A1
ENH4X60C24A1 ENH4X60T24A1
ENH4X61C24A1 ENH4X61T24A1
!WARNING
ELECTRICAL SHOCK HAZARD
Failure to turn off electric power could result in personal injury or death.
Before installing or servicing system, turn off main power to the system. There may be more than one disconnect switch, including accessory heater(s).
484 04 3700 00 Aug. 2010
TECHNICAL SUPPORT MANUAL Horizontal Coils: ENH4X
COIL MODEL NUMBER IDENTIFICATION GUIDE
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Digit Position |
1 |
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5 |
6,7 |
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9,10 |
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12 |
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E |
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N |
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X |
24 |
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17 |
A |
1 |
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E = Evaporator |
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B = Builder |
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D = Standard |
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N = N Coil |
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TYPE |
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A = Uncased |
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D = Cased Upflow/Downflow |
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M = Cased Multiposition (Upflow/Downflow/Horizontal) |
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W = Cased Upflow/Downflow for narrower furnaces |
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H = Cased Horizontal |
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INSTALLATION |
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4 = Environmentally Sound R−410A |
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REFRIGERANT |
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P = Piston |
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METERING DEVICE |
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X = TXV |
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18 |
= 18,000 |
BTUH = 1½ tons |
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19 |
= 18,000 |
BTUH = 1½ tons |
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24 |
= 24,000 |
BTUH = 2 tons |
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30 |
= 30,000 |
BTUH = 2½ tons |
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31 |
= 30,000 |
BTUH = 2½ tons |
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36 |
= 36,000 |
BTUH = 3 tons |
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37 |
= 36,000 |
BTUH = 3 tons |
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42 |
= 42,000 |
BTUH = 3½ tons |
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43 |
= 42,000 |
BTUH = 3½ tons |
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48 |
= 48,000 |
BTUH = 4 tons |
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60 |
= 60,000 |
BTUH = 5 tons |
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61 |
= 60,000 |
BTUH = 5 tons |
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NOMINAL CAPACITY |
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C = Plain Copper |
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T = Tin Coated Copper |
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HAIRPIN MATERIAL |
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14 |
= 14−3/16” |
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17 |
= 17−1/2” |
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21 |
= 21” |
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24 |
= 24−1/2” |
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WIDTH |
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Sales Digit (Major Revision) |
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Engineering Digit (Minor Revision) |
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2 |
484 04 3700 00 |
TECHNICAL SUPPORT MANUAL Horizontal Coils: ENH4X
COOLING CAPACITIES (MBH)
UNIT |
INDOOR COIL |
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SATURATED TEMPERATURE LEAVING EVAPORATOR _F (_C) |
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SIZE |
AIR |
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30 (−1) |
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35 (2) |
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40 (4) |
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45 (7) |
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50 (10) |
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CFM |
EWB |
TC |
SHC |
BF |
TC |
SHC |
BF |
TC |
SHC |
BF |
TC |
SHC |
BF |
TC |
SHC |
BF |
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72 (22) |
39.00 |
19.00 |
0.00 |
36.00 |
17.50 |
0.00 |
32.70 |
15.90 |
0.00 |
28.80 |
14.10 |
0.00 |
24.60 |
12.30 |
0.01 |
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600 |
67 (19) |
32.80 |
19.80 |
0.01 |
29.80 |
18.20 |
0.01 |
26.30 |
16.40 |
0.01 |
22.40 |
14.60 |
0.02 |
18.10 |
12.60 |
0.02 |
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62 (17) |
27.20 |
20.50 |
0.02 |
24.00 |
18.70 |
0.02 |
20.50 |
16.90 |
0.02 |
16.60 |
15.00 |
0.02 |
13.10 |
13.10 |
0.05 |
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72 (22) |
47.10 |
22.80 |
0.00 |
43.60 |
21.10 |
0.00 |
39.60 |
19.30 |
0.00 |
35.00 |
17.30 |
0.02 |
29.90 |
15.10 |
0.02 |
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24 |
800 |
67 (19) |
39.80 |
24.20 |
0.03 |
36.10 |
22.30 |
0.03 |
32.00 |
20.30 |
0.03 |
27.30 |
18.10 |
0.03 |
22.00 |
15.90 |
0.03 |
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62 (17) |
33.10 |
25.40 |
0.03 |
29.30 |
23.40 |
0.03 |
25.10 |
21.20 |
0.03 |
20.50 |
19.00 |
0.04 |
16.70 |
16.70 |
0.09 |
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72 (22) |
53.40 |
25.90 |
0.00 |
49.50 |
24.20 |
0.00 |
45.10 |
22.10 |
0.02 |
40.00 |
19.90 |
0.03 |
34.10 |
17.50 |
0.04 |
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1000 |
67 (19) |
45.30 |
27.90 |
0.05 |
41.20 |
25.90 |
0.05 |
36.60 |
23.70 |
0.05 |
31.30 |
21.30 |
0.05 |
25.20 |
18.70 |
0.05 |
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62 (17) |
37.80 |
29.60 |
0.05 |
33.60 |
27.40 |
0.05 |
28.80 |
25.10 |
0.05 |
23.80 |
22.70 |
0.06 |
20.00 |
20.00 |
0.13 |
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72 (22) |
48.00 |
23.50 |
0.00 |
44.00 |
21.40 |
0.00 |
39.70 |
19.20 |
0.00 |
34.80 |
17.00 |
0.00 |
29.40 |
14.60 |
0.01 |
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750 |
67 (19) |
40.30 |
24.20 |
0.01 |
36.20 |
22.00 |
0.02 |
31.80 |
19.70 |
0.02 |
26.80 |
17.40 |
0.02 |
21.40 |
15.00 |
0.02 |
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62 (17) |
33.20 |
24.80 |
0.02 |
29.10 |
22.50 |
0.02 |
24.60 |
20.20 |
0.02 |
19.90 |
17.90 |
0.02 |
15.60 |
15.60 |
0.05 |
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72 (22) |
58.70 |
28.50 |
0.00 |
53.90 |
26.10 |
0.00 |
48.50 |
23.60 |
0.00 |
42.50 |
20.90 |
0.02 |
35.80 |
18.10 |
0.03 |
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30 |
1000 |
67 (19) |
49.40 |
29.90 |
0.03 |
44.40 |
27.30 |
0.03 |
38.90 |
24.60 |
0.04 |
32.90 |
21.70 |
0.04 |
26.20 |
18.80 |
0.04 |
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62 (17) |
40.80 |
30.90 |
0.04 |
35.80 |
28.20 |
0.04 |
30.30 |
25.40 |
0.04 |
24.60 |
22.60 |
0.05 |
19.90 |
19.90 |
0.10 |
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72 (22) |
67.40 |
32.70 |
0.00 |
61.90 |
30.10 |
0.00 |
55.70 |
27.30 |
0.02 |
48.80 |
24.20 |
0.04 |
41.10 |
21.00 |
0.05 |
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1250 |
67 (19) |
56.80 |
34.70 |
0.05 |
51.20 |
31.80 |
0.06 |
44.90 |
28.70 |
0.06 |
37.80 |
25.50 |
0.06 |
30.10 |
22.20 |
0.06 |
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62 (17) |
47.10 |
36.30 |
0.06 |
41.30 |
33.20 |
0.06 |
35.00 |
30.10 |
0.06 |
28.60 |
27.00 |
0.07 |
23.70 |
23.70 |
0.14 |
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72 (22) |
74.50 |
37.07 |
0.00 |
68.51 |
33.85 |
0.00 |
61.86 |
30.50 |
0.00 |
54.41 |
27.00 |
0.00 |
46.04 |
23.35 |
0.00 |
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750 |
67 (19) |
62.13 |
37.73 |
0.01 |
56.03 |
34.37 |
0.01 |
49.24 |
30.87 |
0.01 |
41.66 |
27.24 |
0.01 |
32.96 |
23.39 |
0.01 |
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62 (17) |
50.98 |
38.20 |
0.01 |
44.75 |
34.72 |
0.01 |
37.95 |
31.17 |
0.01 |
30.17 |
27.36 |
0.01 |
23.70 |
23.70 |
0.06 |
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72 (22) |
92.35 |
45.51 |
0.00 |
85.01 |
41.76 |
0.00 |
76.78 |
37.78 |
0.00 |
67.46 |
33.54 |
0.01 |
57.03 |
29.08 |
0.01 |
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31 |
1000 |
67 (19) |
77.15 |
46.96 |
0.02 |
69.62 |
42.94 |
0.02 |
61.18 |
38.71 |
0.02 |
51.69 |
34.27 |
0.02 |
41.04 |
29.62 |
0.02 |
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62 (17) |
63.39 |
48.06 |
0.02 |
55.66 |
43.85 |
0.02 |
47.21 |
39.53 |
0.02 |
38.21 |
35.15 |
0.02 |
30.59 |
30.59 |
0.08 |
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72 (22) |
107.37 |
52.63 |
0.00 |
98.97 |
48.52 |
0.00 |
89.37 |
44.04 |
0.01 |
78.59 |
39.23 |
0.02 |
66.39 |
34.13 |
0.02 |
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1250 |
67 (19) |
89.89 |
54.97 |
0.03 |
81.19 |
50.47 |
0.03 |
71.37 |
45.67 |
0.03 |
60.28 |
40.57 |
0.03 |
47.77 |
35.20 |
0.03 |
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62 (17) |
73.97 |
56.83 |
0.03 |
64.99 |
52.05 |
0.03 |
55.22 |
47.14 |
0.03 |
44.93 |
42.16 |
0.04 |
36.94 |
36.94 |
0.11 |
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72 (22) |
58.10 |
28.30 |
0.00 |
53.40 |
25.90 |
0.00 |
48.00 |
23.30 |
0.00 |
42.10 |
20.60 |
0.01 |
35.50 |
17.80 |
0.02 |
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900 |
67 (19) |
48.90 |
29.50 |
0.02 |
44.00 |
26.90 |
0.03 |
38.50 |
24.20 |
0.03 |
32.50 |
21.30 |
0.03 |
25.90 |
18.40 |
0.03 |
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62 (17) |
40.40 |
30.40 |
0.03 |
35.40 |
27.70 |
0.03 |
29.90 |
24.90 |
0.03 |
24.20 |
22.10 |
0.04 |
19.40 |
19.40 |
0.08 |
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72 (22) |
70.00 |
33.90 |
0.00 |
64.30 |
31.20 |
0.00 |
57.80 |
28.30 |
0.02 |
50.70 |
25.10 |
0.04 |
42.70 |
21.80 |
0.05 |
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36 |
1200 |
67 (19) |
58.90 |
35.90 |
0.05 |
53.10 |
32.90 |
0.05 |
46.50 |
29.70 |
0.05 |
39.30 |
26.40 |
0.06 |
31.20 |
22.90 |
0.06 |
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62 (17) |
48.80 |
37.50 |
0.06 |
42.80 |
34.30 |
0.06 |
36.30 |
31.00 |
0.06 |
29.60 |
27.80 |
0.06 |
24.40 |
24.40 |
0.13 |
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72 (22) |
79.30 |
38.60 |
0.00 |
72.90 |
35.60 |
0.02 |
65.70 |
32.30 |
0.05 |
57.50 |
28.80 |
0.06 |
48.50 |
25.10 |
0.07 |
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1500 |
67 (19) |
67.00 |
41.30 |
0.08 |
60.40 |
38.00 |
0.08 |
53.00 |
34.40 |
0.08 |
44.70 |
30.70 |
0.08 |
35.50 |
26.80 |
0.09 |
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62 (17) |
55.70 |
43.60 |
0.09 |
48.80 |
40.00 |
0.09 |
41.60 |
36.50 |
0.09 |
34.20 |
32.90 |
0.10 |
28.80 |
28.80 |
0.18 |
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72 (22) |
74.40 |
36.30 |
0.00 |
68.10 |
33.10 |
0.00 |
61.20 |
29.70 |
0.00 |
53.50 |
26.20 |
0.01 |
45.00 |
22.60 |
0.02 |
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1050 |
67 (19) |
62.30 |
37.60 |
0.02 |
56.00 |
34.20 |
0.03 |
48.90 |
30.60 |
0.03 |
41.20 |
27.00 |
0.03 |
32.80 |
23.30 |
0.03 |
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62 (17) |
51.40 |
38.60 |
0.03 |
44.90 |
35.00 |
0.03 |
37.90 |
31.40 |
0.03 |
30.60 |
27.80 |
0.04 |
24.40 |
24.40 |
0.08 |
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72 (22) |
90.20 |
43.80 |
0.00 |
82.60 |
40.10 |
0.00 |
74.10 |
36.20 |
0.01 |
64.70 |
32.00 |
0.04 |
54.40 |
27.60 |
0.05 |
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42 |
1400 |
67 (19) |
75.80 |
46.00 |
0.05 |
68.00 |
42.00 |
0.05 |
59.40 |
37.70 |
0.06 |
50.00 |
33.40 |
0.06 |
39.60 |
28.90 |
0.06 |
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62 (17) |
62.60 |
47.70 |
0.06 |
54.70 |
43.50 |
0.06 |
46.20 |
39.20 |
0.06 |
37.50 |
35.00 |
0.07 |
30.70 |
30.70 |
0.13 |
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72 (22) |
103.00 |
50.00 |
0.00 |
94.30 |
46.00 |
0.00 |
84.60 |
41.50 |
0.05 |
73.90 |
36.80 |
0.06 |
62.00 |
32.00 |
0.07 |
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1750 |
67 (19) |
86.70 |
53.10 |
0.08 |
77.80 |
48.60 |
0.08 |
68.00 |
43.90 |
0.08 |
57.10 |
39.00 |
0.08 |
45.20 |
33.90 |
0.09 |
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62 (17) |
71.70 |
55.70 |
0.09 |
62.70 |
50.90 |
0.09 |
53.10 |
46.20 |
0.09 |
43.40 |
41.50 |
0.10 |
36.30 |
36.30 |
0.18 |
|
|
|
72 (22) |
96.72 |
47.64 |
0.00 |
89.31 |
43.85 |
0.00 |
80.91 |
39.78 |
0.00 |
71.39 |
35.44 |
0.00 |
60.74 |
30.89 |
0.01 |
|
|
1050 |
67 (19) |
80.93 |
49.26 |
0.01 |
73.30 |
45.20 |
0.01 |
64.67 |
40.88 |
0.01 |
54.97 |
36.34 |
0.01 |
43.99 |
31.53 |
0.01 |
|
|
|
62 (17) |
66.64 |
50.56 |
0.01 |
58.77 |
46.28 |
0.01 |
50.10 |
41.84 |
0.01 |
40.70 |
37.29 |
0.02 |
32.63 |
32.63 |
0.07 |
|
|
|
72 (22) |
117.07 |
57.30 |
0.00 |
108.20 |
53.03 |
0.00 |
98.03 |
48.31 |
0.01 |
86.74 |
43.33 |
0.02 |
73.81 |
37.96 |
0.02 |
|
43 |
1400 |
67 (19) |
98.18 |
60.23 |
0.03 |
89.03 |
55.55 |
0.03 |
78.69 |
50.55 |
0.03 |
66.93 |
45.19 |
0.03 |
53.54 |
39.46 |
0.03 |
|
|
|
62 (17) |
81.03 |
62.70 |
0.03 |
71.60 |
57.72 |
0.03 |
61.25 |
52.56 |
0.03 |
50.15 |
47.21 |
0.03 |
41.46 |
41.46 |
0.11 |
|
|
|
72 (22) |
133.38 |
65.28 |
0.00 |
123.30 |
60.58 |
0.02 |
111.98 |
55.48 |
0.03 |
99.21 |
50.01 |
0.04 |
84.49 |
44.04 |
0.04 |
|
|
1750 |
67 (19) |
112.09 |
69.50 |
0.04 |
101.79 |
64.41 |
0.05 |
90.14 |
58.95 |
0.05 |
76.76 |
52.99 |
0.05 |
61.46 |
46.55 |
0.05 |
|
|
|
62 (17) |
92.72 |
73.26 |
0.05 |
82.16 |
67.85 |
0.05 |
70.58 |
62.18 |
0.05 |
58.38 |
56.24 |
0.06 |
49.33 |
49.33 |
0.15 |
|
— Continued on next page —
Legend:
CFM − Cubic Ft. per Minute |
EWB − Entering Wet Bulb |
LWB − Leaving Wet Bulb |
TC − Gross Cooling Capacity 1000 Btuh |
SHC − Gross Sensible Capacity 1000 Btuh |
BF − Bypass Factor |
MBH − 1000 Btuh |
|
See notes following.
484 04 3700 00 |
3 |
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