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Performance
Data
Table PD-22 - Static Pressure Drops Through Accessories - (Pascals)
Econimizer with Electric Heater
OA/RA Dampers
2
Accessory (kW)
3
Unit Airflow Standard Pleated Filters 100% OA 100% RA 100% OA 100% RA 7-9 10-27 37-40
Model No. (m
3
/h) Filters
1
50 mm (2 inch) Downflow Horizontal
2720 25 37 30 11 30 4 11 13 —
WSC060AD,T 3400 37 55 46 17 46 6 17 21 —
4080 55 72 64 26 64 9 25 30 —
3260 10 17 25 2 15 5 — 5 —
WSC072AD,T 4080 15 22 27 5 20 5 — 8 —
4890 22 30 33 10 25 10 — 13 —
4080 15 22 27 5 20 5 — 8 —
WSC090AD,T 5100 25 32 35 12 30 12 — 16 —
6120 35 45 52 17 62 20 — 25 —
5440 17 25 42 12 35 12 — 910
WSC120AD,T 6800 27 37 65 17 75 20 — 14 17
8160 40 50 85 22 87 25 — 20 26
Notes:
1. Tested with standard filters. The WSC060AD,T has 25 mm (1 inch) standard fiters. The WSC072AD,T - 120AD,T has 50 mm (2 inch) standard filters. The difference in pressure drop
should be considered when utilizing optional 50 mm (2 inch) pleated filters.
2. OA = Outside Air and RA = Return Air
3. Nominal kW ratings at 380 V
Table PD-22a - Static Pressure Drops Through Accessories - (Inches of Water Column)
Econimizer with Electric Heater
OA/RA Dampers
2
Accessory (kW)
3
Unit Airflow Standard Pleated Filters 100% OA 100% RA 100% OA 100% RA 7-9 10-27 37-40
Model No. (CFM) Filters
1
50 mm (2 inch) Downflow Horizontal
1600 0.10 0.15 0.12 0.04 0.12 0.01 0.045 0.053 —
WSC060AD,T 2000 0.15 0.22 0.18 0.07 0.18 0.02 0.070 0.083 —
2400 0.22 0.29 0.26 0.10 0.26 0.04 0.100 0.120 —
1920 0.04 0.07 0.10 0.01 0.06 0.02 — 0.021 —
WSC072AD,T 2400 0.06 0.09 0.11 0.02 0.08 0.02 — 0.034 —
2880 0.09 0.12 0.13 0.04 0.10 0.04 — 0.052 —
2400 0.06 0.09 0.11 0.02 0.08 0.02 — 0.034 —
WSC090AD,T 3000 0.10 0.13 0.14 0.05 0.12 0.05 — 0.063 —
3600 0.14 0.18 0.21 0.07 0.25 0.08 — 0.102 —
3200 0.07 0.10 0.17 0.05 0.14 0.05 — 0.036 0.042
WSC120AD,T 4000 0.11 0.15 0.26 0.07 0.30 0.08 — 0.056 0.070
4800 0.16 0.20 0.34 0.09 0.35 0.10 — 0.081 0.106
Notes:
1. Tested with standard filters. The WSC060AD,T has 25 mm (1 inch) standard fiters. The WSC072AD,T - 120AD,T has 50 mm (2 inch) standard filters. The difference in pressure drop
should be considered when utilizing optional 50 mm (2 inch) pleated filters.
2. OA = Outside Air and RA = Return Air
3. Nominal kW ratings at 380 V
Table PD-23 — Electric Heater Voltage Correction
Factors (Apply to Auxiliary Heat
Capacity)
Nominal Distribution Capacity
Voltage Voltage Multipiler
200 200 1.00
380 0.84
415 400 0.93
415 1.00