Appendix E - Fan Law Formulas; Appendix F - Default Settings - Calculated Industries Sheet Metal/HVAC Pro Calc User Manual

APPENDIX E — FAN LAW FORMULAS
Fan Law 1 Formula
Fan Law 2 Formula
S
S
Fan Law 3 Formula
APPENDIX F — DEFAULT SETTINGS
After a Full Reset/Clear All, your calculator will return to the following
settings:
SETTING
On-Center Spacing
Fractional Resolution
Area Display
Volume Display
Desired Riser Height
Desired Tread Width
Stairway Headroom
Floor Thickness (Stairs)
Jack Rafters
Irregular Jack Spacing
Exponent
Meter Linear Rounding
Degree Rounding
Mathematical Operations
106 — S M
HEET
where,
where,
where,
/HVAC P
ETAL RO
CFM = Feet per Minute
3
RPM = Revolutions per Minute
SP = Static Pressure
CFM = Feet per Minute
3
BHP = Brake Horsepower
CFM = Feet per Minute
3
IMPERIAL
16 Inches
1/16
Standard
Standard
7-1/2 Inches
10 inches
6 Feet 8 Inches
10 Inches
Descending
OC-OC
On
0.000
Float
Order of Operations Method
C
ALC