Quick Charge APU14v User Manual

n result in a risk of an

INTRODUCTION:

Designed for aircra
Also incorporates a battery charge feature activated with battery switch in cockpit.

INITIAL INSTALLATION:

Before making AC connections, refer to the AC require
not equipped with an AC plug, for example, a 220 volt charger

GROUNDING INSTRUCTIONS:

This battery charger must be grounded to reduce the risk of electric shock. If the charger is
grounding type plug, it must be plugged into a nominal 115 volt, 60 Hertz circuit. If the charger is supplied with
no plug, have a qualified service person install one.

APU28v/25A

CAUTION:

WARNING:
electric shock.

O P E R A T I N G I N S T R U C T I O N S

, APU28v/50A,

ft. Plugs into APU

To reduce the risk of fire, use this charger only on circuits

ampere branch circuit protection (circuit breaker or fuse), In accordance with the

Elec

tric

Code, ANSI/NFPA 70, and all local codes and ordinances.

Improper connection of the equipment grounding conductor ca

OUTLET OR ATTEMPT TO BREAK OFF THE GROUND PRONG FOR USE ON

A RECEPTACLE OR EXTINSION CORD NOT HAVING A

& APU14v/25A

receptacle

DO NOT USE THIS CHARGER ON A TWO POLE UNGROUNDED

to provide filtered

Auxiliary Power Unit & Battery Charger

bus power for avionics, and flight controls.

ments labeled on the charger ID tag. If your charger is

, have a qualified electrician install one.

provided with a maximum of 20

equipped with a

GROUND.

National

The use of an extension cord with this charger should be avoided. The use of an improper extension cord could
result in
Use a three conductor cord no smaller than 14 AWG. And keep it as short as possible. Locate all cords so that
they will not be stepped on, tripped ove

Do not operate this

DO NOT USE THIS UNIT

The DC output connector,
are cut or have exposed

Using this
a qualified service person make the necessary repairs. Repairs should not be made
qualified.

a risk of a fire or electric shock. If an extension cord must be used, make sure it is in good condition.

r, or otherwise subjected to damage or stress.

unit

if it shows any signs of physical damage.

WARNING:

unit

Make sure the DC output leads, terminals or connector are al

IF:

(if equipped)

wires; The DC output leads or connector feel hot when used.

with any of the above symptoms could result in a fire, property damage, or personal injury. Have

is loose or does not make good contact; Is cracked or broken; The leads

l in good

by people who are not

working condition.

burning of

power before moving or driving equipment will result in

NORMAL OPERATION

1). Make sure
into

2)

. P

lug the

3).

Place selector switch in power supply position.

4).

Turn ON aircraft master switch.

5).

Flip power switch ON.
current, and
when the unit is fully loaded, as the load is reduced, the meter will read more accurate. Current is limited
25 or 50 amps, depending on model.

6

). If nothing happens,

7). To discontinue,
APU receptacle.

NORMAL OPERATION BATTERY CHARGER

main power switch is off. Be sure

APU recepta

unit

into AC power

output

flip the power switch OFF first, then u

POWER SUPPLY

cle.

. 117 volts, or 230 if designed for it.

As loads are placed on the bus, t

volts.

slide

NOTE:

the

The voltmeter may read as much as 1 volt higher than actual

third pin power switch

:

the unit matches the system voltage of aircraft.

he ammeter

to the other position.

nplu

g the AC power cord

:

and voltmeter should

and

disconnect plug from

Plug connector

indicate the

buss

voltage

to

1).

Follow steps 1 and 2, then place selector switch in battery charge position.

2). Turn ON battery switch in cockpit.

3). Flip power switch ON.

much as 1 volt higher than actual

charged, th
there is no

4). As the battery charges, amps will decrease as
volts,
without damage to battery.

5). To discontinue,
APU receptacle.

WARNING:

W

e meter will read more accurate
output,

depending on model. Current should be one amp and lower. Charger can be left connected

flip the power switch

Do not disconnect the DC

the plug and receptacle contacts.

ARNING:

Failure to unplug AC

damage to cords, plugs and receptacles.

Output

slide the

third pin power switch

Master switch (avionics) O

voltage should be registered on voltmeter. NOTE:

battery

voltage

OFF first, then u

plug when the

and DC

when the unit is fully loaded, as the battery

to actual battery voltage.

to the other position.

voltage increases, battery is fully charged near

nplug the AC power cord

unit

FF.

is on. The resulting arcing could cause

The charge current

and

The voltmeter may read

becomes

is up to

disconnect plug from

10 am

14 or 28

ps. If

indefinitely

as

TROUBLE SHOOTING:

DANGER:

To reduce the risk of electric shock, always disconnect both the AC power supply cord and the

outp

ut

leads or connector before attempting any maintenance cleaning.