Calculated-industries 5070-A User Guide Manual de usuario descargar pdf (Pagina 9)

8 — electricalc

Pro

(cont’d)



Efficiency (Eff %) — Enters or calculates the

percent ratio between real power (Watts) and

Theoretical Horsepower. Default value is 100%.

Entered or calculated Efciencies greater than

100% will result in an error.



Kilowatt–Hours to BTU (Kw-hr ► Btu) —

Calculates BTU (British Thermal Unit) based on

an entered Kilowatt-Hour value.



BTU to Kilowatt–Hours (Btu ► Kw-hr) —

Calculates Kilowatt-Hours based on an entered

BTU (British Thermal Unit) value.



Parallel Resistance (Par Res) — Calculates

total Resistance based on an entered series of

Parallel Resistor values.

Motor Keys

The ElectriCalc Pro can be used to determine motor Full-Load Current

(Amps) based on entries for Motor Horsepower (HPmotor), Phase

and Voltage. You can also nd an equivalent Motor Horsepower if you

have entered Voltage and Full-Load Current values. Only HP Motor

and Voltage entries as dened by NEC Tables 430.247, 430.248 and

430.250 can be used to determine motor loads.



Induction/Synchronous/DC Motor Toggle

(Ind/Sync/DC) — Toggles between Induction,

Synchronous, and Direct Current Motor Types.



Motor Horsepower — Enters or calculates

Motor Horsepower.



Starter Size (Starter) — Displays the Starter

Size (from NEMA publication ICS 2-1988 Tables

2-327-1 and 2-327-2) based on the Phase,

Voltage, and Motor Horsepower settings.

Note: Horsepower values not identied in NEMA

tables will cause the calculator to round up to the

next larger Starter Size in the table.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 65 66

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Calculated-industries 5070-A User Guide Manual de usuario Pagina 9

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