288429-YIM-A-0307
Unitary Products Group 15
042
(3.5)
DEX
1100 0.03 0.01 0.03 0.05
1200 0.04 0.02 0.03 0.06
1300 0.04 0.03 0.03 0.07
1400 0.04 0.04 0.03 0.08
1500 0.05 0.05 0.04 0.09
1600 0.06 0.06 0.05 0.10
048
(4.0)
DEX
1100 0.03 0.01 0.03 0.05
1200 0.04 0.02 0.03 0.06
1300 0.04 0.03 0.03 0.07
1400 0.04 0.04 0.03 0.08
1500 0.04 0.05 0.04 0.09
1600 0.04 0.06 0.05 0.10
1700 0.05 0.07 0.05 0.11
1800 0.05 0.07 0.06 0.11
1900 0.06 0.08 0.06 0.11
2000 0.07 0.08 0.07 0.12
060
(5.0)
DEY
1100 0.03 0.01 0.03 0.05
1200 0.04 0.02 0.03 0.06
1300 0.04 0.03 0.03 0.07
1400 0.04 0.04 0.03 0.08
1500 0.04 0.05 0.04 0.09
1600 0.04 0.06 0.05 0.10
1700 0.05 0.07 0.05 0.11
1800 0.05 0.07 0.06 0.11
1900 0.06 0.08 0.06 0.11
2000 0.07 0.08 0.07 0.12
1. The pressure drop through the economizer is greater for 100% outdoor air than for 100% return air. If the resistance of the
return air duct is less than 0.25 IWG, the unit will deliver less CFM during full economizer operation.
Table 10: Electric Heat Minimum Supply Air
Size
(Tons)
Model Voltage
Minimum Supply Air (CFM)
Heater kW
5.0 7.5 10.0 15.0 20.0 25.0
024
(2.0)
DEX 208/230-1-60 630 630 800 - - -
030
(2.5)
DEX 208/230-1-60 630 630 800 800 - -
036
(3.0)
DEX
208/230-1-60 1070 1070 1070 1070 - -
208/230-3-60 1070 1070 1070 1070 - -
460-3-60 1070 1070 1070 1070 - -
042
(3.5)
DEX
208/230-1-60 1225 1225 1225 1225 - -
208/230-3-60 1225 1225 1225 1225 - -
460-3-60 1225 1225 1225 1225 - -
048
(4.0)
DEX
208/230-1-60 - - 1200 1430 1430 1430
208/230-3-60 - - 1200 1430 1430 1430
460-3-60 - - 1200 1430 1430 1430
060
(5.0)
DEY
208/230-1-60 - - 1615 1615 1955 1955
208/230-3-60 - - 1615 1615 1955 1955
460-3-60 - - 1615 1615 1955 1955
Table 9: Additional Static Resistance (Continued)
Size
(Tons)
Model CFM Wet Indoor Coil Economizer
1
Filter/Frame Kit Electric Heat
Table 11: Indoor Blower Specifications
Size
(Tons)
Model
Motor
HP RPM Eff. SF Frame
024
(2.0)
DEX 1/2 Variable 0.8 1.0 48
030
(2.5)
DEX 1/2 Variable 0.8 1.0 48
036
(3.0)
DEX 1/2 Variable 0.8 1.0 48
042
(3.5)
DEX 3/4 Variable 0.8 1.0 48
048
(4.0)
DEX 3/4 Variable 0.8 1.0 48
060
(5.0)
DEY 1 Variable 0.8 1.0 48
Table 12: Electric Heat Multipliers
Voltage
kW Capacity Multipliers
1
1. Electric heaters are rated at nominal voltage. Use this table to
determine the electric heat capacity for heaters applied at
lower voltages.
Nominal Applied
240
208 0.75
230 0.92
480 460 0.92
