Bryant 683B - Manual (Page 27)

TABLE 21—ICM FIOP WET COIL PRESSURE DROP (IN. WG)
UNIT
SIZE
STANDARD CFM (SCFM)
600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100
024 0.005 0.007 0.010 0.012 0.015 – – – – – – – – – – –
030 – 0.007 0.010 0.012 0.015 0.018 0.021 0.024 – – – – – – – –
036 – – – 0.019 0.023 0.027 0.032 0.037 0.042 0.047 – – – – – –
042 – – – – 0.014 0.017 0.020 0.024 0.027 0.031 0.035 0.039 0.043 – – –
048 – – – – – – 0.027 0.032 0.036 0.041 0.046 0.052 0.057 0.063 0.068 –
060 – – – – – – – – – 0.029 0.032 0.036 0.040 0.045 0.049 0.053
TABLE 22—FILTER PRESSURE DROP TABLE (IN. WG)
FILTER SIZE
CFM
500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
20 X 20 X 1 0.05 0.07 0.08 0.10 0.12 0.13 0.14 0.15 — — — — — — — — — — —
20 X 24 X 1 — — — — 0.09 0.10 0.11 0.13 0.14 0.15 0.16 — — — — — — — —
24 X 30 X 1 — — — — — — — 0.07 0.08 0.09 0.10 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18
TABLE 23—ELECTRIC HEATER MULTIPLICATION FACTORS
HEATER KW
RATING
VOLTAGE
DISTRIBUTION
MULTIPLICATION
FACTOR
240
200 .69
208 .75
230 .92
240 1.00
Example:
15.0 kW (at 240-v.) heater on 208-v.
= 15.0 (.75 mult. factor)
= 11.25 capacity at 208-v.
—27—