HP BL260c HP BladeSystem c-Class Site Planning Guide - Page 66

Conversion factors and formulas, Conversion factors, Formulas

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Conversion factors and formulas Conversion factors The conversion factors provided here are intended to help in data calculation for systems that do not conform to the specific configurations listed in this guide. Listed below are the conversion factors used in this document, as well as additional conversion factors that can be helpful in determining those factors required for site planning. • Refrigeration o 1 watt = 0.86 kcal/h o 1 watt = 3.412 BTU/h o 1 watt = 2.843 x 10-4 tons o 1 ton = 200 BTU/min o 1 ton = 12,000 BTU/h o 1 ton = 3517.2 W • Equivalents o 1 centimeter = 0.3937 in o 1 meter = 3.28 ft o 1 meter = 1.09 yards o 1 inch = 2.54 cm o 1 foot = 0.305 m o 1 CFM = 1.7 m3/h Formulas The following formulas can be helpful in determining conversion factors required for site planning: • kVA = voltage x Current (amps) • Watts = VA x PF • BTU = Watts x 3.41 Conversion factors and formulas 66

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Conversion factors and formulas
66
Conversion factors and formulas
Conversion factors
The conversion factors provided here are intended to help in data calculation for systems that do not
conform to the specific configurations listed in this guide. Listed below are the conversion factors used in
this document, as well as additional conversion factors that can be helpful in determining those factors
required for site planning.
•
Refrigeration
o
1 watt = 0.86 kcal/h
o
1 watt = 3.412 BTU/h
o
1 watt = 2.843 x 10
-4
tons
o
1 ton = 200 BTU/min
o
1 ton = 12,000 BTU/h
o
1 ton = 3517.2 W
•
Equivalents
o
1 centimeter = 0.3937 in
o
1 meter = 3.28 ft
o
1 meter = 1.09 yards
o
1 inch = 2.54 cm
o
1 foot = 0.305 m
o
1 CFM = 1.7 m
3
/h
Formulas
The following formulas can be helpful in determining conversion factors required for site planning:
•
kVA = voltage x Current (amps)
•
Watts = VA x PF
•
BTU = Watts x 3.41