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)