Johnson Controls 100 Series - Page 54

JOHNSON CONTROLS
54
FORM 100.50-SU8
ISSUE DATE: 1/28/2016
SECTION 12 - BACNET MS/TP POINTS
The following factors can be used to convert from
English to the most common SI Metric values.
TEMPERATURE
ToconvertdegreesFahrenheit(°F)todegreesCelsius
(°C),subtract32°andmultiplyby5/9or0.5556.
Example:(45.0°F-32°)x0.5556=7.22°C
Toconvertatemperaturerange(i.e.,arangeof10°F)
from Fahrenheit to Celsius, multiply by 5/9 or 0.5556.
Example:10.0°Frangex0.5556=5.6°Crange
TABLE 4 - SI METRIC CONVERSION
MEASUREMENT MULTIPLY ENGLISH UNIT BY FACTOR TO OBTAIN METRIC UNIT
Capacity Tons Refrigerant Effect (ton) 3.516 Kilowatts (kW)
Power Horsepower 0.7457 Kilowatts (kW)
Flow Rate Gallons / Minute (gpm) 0.0631 Liters / Second (l/s)
Length
Feet (ft) 0.3048 Meters (m)
Inches (in) 25.4 Millimeters (mm)
Weight Pounds (lbs) 0.4536 Kilograms (kg)
Velocity Feet / Second (fps) 0.3048 Meters / Second (m/s)
Pressure Drop
Feet of Water (ft) 2.989 Kilopascals (kPa)
Pounds / Square Inch (psi) 6.895 Kilopascals (kPa)