036-21539-003-B-0305
26 Unitary Products Group
TABLE 9: COOLING CAPACITIES FOR DR180 AT 105°F (ALTERNATE REHEAT MODE)
AIR ON
EVAPORATOR COIL
TEMPERATURE OF AIR ON CONDENSER COIL (°F): 105
CFM
WB
°F
TOTAL
CAPACITY
1
(MBH)
TOTAL
INPUT
2
(kW)
SENSIBLE CAPACITY
1
(MBH)
RETURN DRY BULB (°F)
86 83 80 77 74 71
4500
67
36 12.6 19 13 3
62
32 12.2 28 21 12
57
30 12.0 30 24 14 8
5050
67
49 12.6 31 19 6
62
43 12.2 40 37 28 17
57
41 12.0 41 38 33 22 11
5600
67
62 12.6 42 26 9
62
55 12.2 52 52 45 28 12
57
52 12.0 52 52 52 36 20 4
6300
67
63 12.6 50 33 14
62
56 12.2 53 53 50 31 12
57
54 12.0 54 54 54 35 16
7000
67
65 12.7 55 40 19
62
57 12.2 55 55 55 34 13
57
55 12.0 55 55 55 34 13
1. The capacities are gross ratings. For net capacity, deduct air blower motor, MBH = 3.415 x kW. Refer to the appropriate blower
performance table for the kW of the supply air blower motor.
2. These ratings include condensate fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
No Sensible Cooling Capacity
TABLE 10: COOLING CAPACITIES FOR DR180 AT 115°F (ALTERNATE REHEAT MODE)
AIR ON
EVAPORATOR COIL
TEMPERATURE OF AIR ON CONDENSER COIL (°F): 115
CFM
WB
°F
TOTAL
CAPACITY
1
(MBH)
1. The capacities are gross ratings. For net capacity, deduct air blower motor, MBH = 3.415 x kW. Refer to the appropriate blower
performance table for the kW of the supply air blower motor.
TOTAL
INPUT
2
(kW)
2. These ratings include condensate fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
SENSIBLE CAPACITY
1
(MBH)
RETURN DRY BULB (°F)
86 83 80 77 74 71
4500
67
7 13.5 6 6
62
6 13.0 6 6
57
6 12.8 6 6
5050
67
31 13.4 22 14 3
62
28 13.0 27 27 21 13 4
57
27 12.8 27 27 24 16 8
5600
67
56 13.4 38 22 6
62
49 13.0 48 48 42 25 9
57
48 12.8 48 48 48 32 16
6300
67
57 13.4 44 29 10
62
51 13.0 49 49 46 27 9
57
49 12.8 49 49 49 31 12
7000
67
58 13.4 50 36 15
62
52 13.0 50 50 50 30 9
57
50 12.8 50 50 50 30 9
No Sensible Cooling Capacity
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