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Tesla TI4676 User Manual

Page 14

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3-8. CONTINUOUS OUTPUT RATE, 28.5 VDC CONSTANT OUTPUT

35 Amps at 1 hour (with AC power connected)

NOTE

If current demand exceeds 12 amps, converter output voltage will drop

below 28.5 VDC and two or more LED status indicator bars will illumi-

nate. If all LED status indicator bars illuminate, both the converter

and power cells are supplying 24 VDC power output (see paragraph 3-4

and 4-7)

3-9. ENGINE STARTING POWER

Operators should always ensure the unit is charged above 80% prior to

ground support engine starting. However, circumstances may exist dur-

ing use where unit recharge is not readily available and immediate ex-

ternal engine starting power is required. The following provides mini-

mum states of charge necessary to provide ample power for an efficient

engine start under specific current load demands.

ENGINE START CURRENT LOAD DEMAND

MINIMUM CHARGE

Under 650 peak starting amps

40% charged

650 - 850 peak starting amps

50% charged

850 - 1000 peak starting amps

60% charged

1000 - 1200 peak starting amps

70% charged

1200 - 1500 peak starting amps

80% charged

3-10. TEMPERATURE

Temperatures refer to the unit’s cold/heat soaked temperature. The

ambient temperature that a unit is exposed to for one (1) hour or more

shall establish a unit’s cold/heat soaked temperature. If unit’s cold/

heat soaked temperature exceeds operating temperature range, unit shall

be stabilized prior to operation as follows: COLD SOAKED, warmed for a

minimum of 3 hours above +10C

o

(+41

o

F) or 2 hours above +20C

o

(+68

o

F);

WARMED SOAKED, cooled for 1 hour below +38C

o

(+100

o

F).

Operating range:

without

AC power -40C

o

(-40

o

F) TO +60C

o

(+140

o

F)

with

AC Power -30C

o

(-22

o

F) TO +50C

o

(+124

o

F)

Storage range:

60C

o

(-76

o

F) TO +60C

o

(+140

o

F)

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