10
42BHC NOMINAL COOLING CAPACITIES
LEGEND
*Based on entering air temperature of 67 F wb, 80 F db and temperature rise of 10 degrees F.
NOTE: All ratings at sea level. Ratings in accordance with ARI (Air Conditioning & Refrigeration Institute).
42BHC NOMINAL HEATING CAPACITIES
NOTES:
1. Ratings are based on 180 F Entering Water Temperature (EWT) and 70 F
Entering Air Temperature (EAT).
2. Leaving-air temperature is not to exceed 104 F (40 C) with the standard
motor. Consult the factory for higher temperature motor applications.
3. For information on four and six-row heating coil capacities and applications,
consult the factory.
4. For all application ratings, use the quick-selection ratings provided in this
catalog, or contact the factory.
UNIT SIZE
42BHC
NOMINAL CFM
COIL ROWS
EWT
(F)
COOLING*
Total Capacity (MBtuh)
Sensible Capacity (MBtuh)
08
800
4
40
29.9
20.9
45
23.2
18.1
50
17.7
15.5
6
40
40.7
26.2
45
32.2
22.6
50
24.4
19.3
8
40
46.8
29.3
45
38.0
25.3
50
29.1
21.5
12
1200
4
40
47.8
32.5
45
37.7
28.2
50
28.8
24.4
6
40
62.5
40.0
45
50.2
34.6
50
38.2
29.6
8
40
71.5
44.5
45
58.2
38.4
50
44.7
32.7
16
1600
4
40
63.2
43.1
45
49.4
37.3
50
37.9
32.3
6
40
83.2
53.3
45
66.9
46.1
50
51.1
39.5
8
40
95.5
59.5
45
77.7
51.3
50
60.1
43.8
20
2000
4
40
79.8
54.1
45
63.0
47.1
50
48.4
40.8
6
40
104.3
66.7
45
84.1
57.8
50
64.3
49.6
8
40
119.4
74.4
45
97.5
64.2
50
75.4
54.8
30
3000
4
40
119.7
81.5
45
93.9
70.7
50
72.2
61.2
6
40
157.5
100.7
45
126.9
87.2
50
97.1
74.8
8
40
180.4
112.2
45
147.3
96.9
50
114.1
82.7
40
4000
4
40
166.9
111.9
45
132.7
97.4
50
102.1
84.3
6
40
202.5
129.6
45
160.8
111.8
50
122.7
96.7
8
40
245.0
151.8
45
200.9
131.2
50
156.0
111.9
EWT —
Entering Water Temperature
UNIT SIZE
42BHC
NOMINAL CFM
ROWS
HEATING CAPACITY
(MBtuh)
08
800
1
27.0
2
46.9
12
1200
1
38.5
2
68.5
16
1600
1
48.0
2
87.7
20
2000
1
58.7
2
104.9
30
3000
1
78.0
2
149.2
40
4000
1
92.3
2
182.4
Performance data (cont)