CHARGING THE C420 RECHARGEABLE BATTERY
Note: Before initial battery pack use, or if battery pack
h
as not been used for an extended period of time (several
months), perform (3) 6-hour charge/4-hour discharge
cycles for optimum battery performance. The discharge
cycles should be completed with the blower running in a
non-hazardous environment, with no breathing tube or
c
artridges attached to the blower.
1. Place the charger horizontally on a flat surface and in
a dust-free area with a temperature range between
32°F and 100°F (0°C and 37.7°C). The ideal tempera-
ture is 70°F (21.1°C).
2. Insert the appropriate cord set (120v or 230v) into the
IEC receptacle on the charger. Plug the charger AC
power cord into the appropriate regulated 120v or
230v outlet. The “ORANGE” LED will illuminate when
no battery is plugged in or during battery charging ini-
tialization.
3. Align the keyed charger plug with the charging recep-
tacle in the battery pack and fully insert. The “RED”
LED will illuminate, indicating that the connected bat-
tery pack is being charged in the “Fast Charge Rate”
mode.
Note: In a discharged condition (approximately 4 hours of
operational use), the battery pack will charge for approxi-
mately 6 hours. Charging times will vary for battery packs
in a partial charge state.
• The positive and negative battery terminals of the
battery pack are on the opposite end from the
charging receptacle. DO NOT ground out the posi-
tive terminal (center metal circle) and the negative
terminal (outer metal ring). Doing so could short
circuit the battery pack, resulting in excessive cur-
rent flow and could cause battery liquid electrolyte
leakage, heat generation, bursting and fire.
• Use extreme caution not to ground out the metal
charging leads on the battery charger plug, as
doing so could result in damage to the battery
charger.
Failure to follow the above warning can result in seri-
ous personal injury or death.
4. When the “GREEN/ORANGE” LEDs illuminate, the
c
harger has switched to a “Top-Off Charge” mode,
indicating the battery is nearly fully charged.
5
. The “GREEN” LED indicates the battery is fully
charged and is in the “Trickle Charge” mode. The opti-
mum charging time is 8 hours. Battery packs can be
left in a “Trickle Charge” mode indefinitely.
New batteries, and batteries not used for months,
could experience a false indication that can cause the
“GREEN” LED indicator to illuminate only a few min-
utes into the charging cycle. Unplug and then re-plug
to continue the charging cycle.
6. If the “Red/Green” LEDs illuminate, there is a fault
condition. Remove the battery immediately. If the
LED’s illuminate with another battery connected,
remove the charger from service.
7. To remove the charging plug from the battery pack,
firmly grasp the charging plug housing with the fingers
and pull out.
DO NOT remove by pulling the charging plug cord.
This can damage/separate the wire connections to the
charging plug housing.
Rapid Charger LED Illumination Sequence
DO NOT allow the battery pack to fully discharge. The
functional system operational time for the battery
pack is approx. 4 hours. Operating the system in
excess of 4 hours results in significantly reduced air-
flow.
CHARGING THE C420 RECHARGEABLE BATTERY
21
TAL 706 (L) Rev. 2 - 10072074
LED Illumination Charging Status w/AC Power
Cord plugged in
Orange No battery attached or charging
cycle is initializing
Red Fast charge
Green/Orange Top-off charge, battery is almost
fully charged
Green Battery fully charged and ready to
use
Red/Green Fault condition - remove battery
from charge
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