Filter
Top Products
Unitary Products Group 9
550.39-N4YI
TABLE 5 - ACCESSORY STATIC RESISTANCE (IWG)
ACCESSORY
EXTERNAL STATIC PRESSURE DROP RESISTANCE
IWG/pA
BLOWER CFM/m
3
/s 2400 / 1.1 2700 / 1.3 3000 / 1.4 3300 / 1.6 3600 / 1.7
Electric
Heat
10k W 0.01 / 2.5 0.01 / 2.5 0.01/ 2.5 0.02 / 5.0 0.02/ 5.0
16 kW 0.01 / 2.5 0.02 / 5.0 0.02 / 5.0 0.03 / 7.4 0.04/ 10.0
26 kW 0.03 / 7.4 0.4/ 10.0 0.05 / 12.4 0.06/ 15.0 0.07 / 17.4
36 kW 0.05 / 12.4 0.07 / 17.4 0.08 / 20.0 0.10 / 25.0 0.11 / 27.0
Supply Air Plenum 0.03 / 7.4 0.03 / 7.4 0.04 / 10.0 0.05 / 12.4 0.06 / 15.0
Return Air Grille 0.02 / 5.0 0.03 / 7.4 0.04 / 10.0 0.05 / 12.4 0.06 / 15.0
Add these pressures to the ESP values in the respective blower performance table.
KEU090
KEU120
ACCESSORY
EXTERNAL STATIC PRESSURE DROP RESISTANCE
IWG/pA
BLOWER CFM/m
3
/s 3200 / 1.5 3600 / 1.7 4000 / 1.9 4400 / 2.1 4800 / 2.3
Electric
Heat
10 kW 0.02 / 5.0 0.02 / 5.0 0.03 / 7.4 0.03 / 7.4 0.04 / 10.0
16 kW 0.03 / 7.4 0.04 / 10.0 0.05 / 12.4 0.06 / 15.0 0.07 / 17.4
26 kW 0.06 / 15.0 0.07 / 17.4 0.09 / 22.3 0.11 / 27.0 0.13 / 32.2
36 kW 0.09 / 22.3 0.11 / 27.0 0.14 / 35.0 0.17 / 42.2 0.20 / 50.0
Supply Air Plenum 0.05 / 12.4 0.06 / 15.0 0.07 / 17.4 0.08 / 20.0 0.10 / 25.0
Return Air Grille 0.05 / 12.4 0.06 / 15.0 0.07 / 17.4 0.08 / 20.0 0.10 / 25.0
Add these pressures to the ESP values in the respective blower performance table.
Model
Blower Motor
HP/kW
Power Supply FLA
Maximum
Fuse Size* Amps
Maximum
Wire Length* * Ft.(m)
KEU090 1
1
2
/1.1 380/415-3-50 3.7 5 650 / 197
KEU120 2 / 1.5 380/415-3-50 4.5 5 500 / 152
* Dual element, time delay fuses.
** Based on three 60° C, 14 AWG, insulated copper conductors in steel conduit and a 3% voltage drop.
TABLE 6 - ELECTRICAL DATA