Load Curve - Cristec CPS2 Serie Manual Del Usuario

- the cross-section and length of the output cables
- whether or not the boost function is required
For special batteries, call in a professional installer, who will make the specific settings in accordance with the
accumulator manufacturer's specifications and according to the specifics of the installation.
Cristec disclaims any liability in case of damage to batteries or ineffective recharging.

3.2.5 Load curve

Boost in ON position
With this setting the CPS2 charger produces a 3-state load curve IUoU: Boost, Absorption, Floating.
Flat battery
U out
charger
0
I out
charger
I nom
0
Boost Phase: starts up automatically when the charger is turned on if the battery is flat. The current is then at
maximum output.
Absorption Phase: begins when the voltage has reached the maximum Boost level. The current level starts
falling.
These two phases combined last a maximum of 4 hours. If the current falls below 15% of rated current, the
floating phase automatically kicks in. Duration and current intensity depend on how charged the battery is.
Floating Phase: starts after 4 hours or if output current has reached 15% of the charger's rated current. The
voltage switches to the Floating value and the rated current continues to drop.
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Boost Absorption Floating
U boost
U floating
4 Hrs
Boost Absorption Floating
4 Hrs
CPS2DEA.DOC
Battery only slightly flat
U out
charger
U boost
t 0
I out
charger
I nom
15% I nom
t
0
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Boost Absorption Floating
U floating
< 4 Hrs
Boost Absorption Floating
15% I nom
< 4 Hrs
29
t
t