35
PRESSURE DROP FOR ELECTRIC HEAT
3 TO 5 TON UNITS - 1 STAGE HEAT
PRESSURE DROP FOR ELECTRIC HEAT
4 TO 6 TON UNITS - 1 AND 2 STAGE HEAT
0.00
0.01
0.02
0.03
0.04
0.05
0.06
800 900 1000 1100 1200 1300 1400 1500 1600
Static Pressure Drop (in. wg)
Unit Airflow (CFM)
Pressure Drop For Electric Heat, 3 Ton Units
1 Stage Electric Heat
0.00
0.05
0.10
0.15
0.20
0.25
0.
30
1000 1500 2000 2500 3000 3500
Static Pressure Drop (in. wg)
Unit Airflow (CFM)
Pressure Drop For Electric Heat, 4 to 6 Ton Units
1 Stage Electric Heat2 Stage Electric Heat
SINGLE PHASE GAS HEAT STAGES
UNIT SIZE HEAT SIZE
1 Phase Low Med High
04 1 1 —
05111
06111
THREE PHASE GAS HEAT STAGES
UNIT SIZE HEAT SIZE
3 Phase Low Med High
04 1 2 —
05112
06112
07112
GAS HEAT STATIC PRESSURE DEDUCTIONS – 3 TON UNITS
CFM 900 1000 1100 1200 1300 1400 1500
Low Gas Heat
Deduction
0.01 0.01 0.02 0.03 0.03 0.04 0.04
GAS HEAT STATIC PRESSURE DEDUCTIONS – 4 TO 6 TON UNITS
CFM 1200 1500 1800 2100 2400 2700 3000
Medium Gas
Heat Deduction
0.01 0.05 0.08 0.12 0.15 0.18 0.20
Low Gas Heat
Deduction
0.03 0.10 0.17 0.23 0.29 0.36 0.42
PRESSURE DROPS FOR GAS AND ELECTRIC HEATING UNITS
Performance data (cont)
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