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INSTRUCTIONS - CDA with Yellow, Pink, Orange label.
Congratulations on the purchase of your Schumacher CDA (Charge, Discharge, Auto
Test) NiCad management system. The CDA uses the latest technology to achieve a
system with all the features needed to keep your NiCad packs in top condition. CDA has
been developed over a long period and is manufactured using the highest possible
standards. To achieve maximum benefit from your CDA please read the full instructions
carefully before use.
FAST INSTRUCTIONS - EASY AS 1-2-3
Connect power supply
Push to select C, d or A
Connect NiCad
SPECIFICATIONS
Nicad pack: - 5 to 7 cells (6V to 8.4V)
Charge current: - 6 Amps soft pulse, 4.5 Amps average.
Discharge current: - 6 Amps pulsed, 4.5 Amps average (heatsink is temperature
controlled for safety)
POWER SUPPLY
The Schumacher CDA is designed to work on a 12 Volt power supply. This can be an
automobile type battery or a stabilised mains power supply that meets the following
requirements: -
The voltage must be well smoothed and between 12 an 15 Volts.
The continuous current rating MUST be at least 6 Amps.
POWER ON
Connect Red and Black to the 12 Volt power source.
RED to POSITIVE (+), BLACK to NEGATIVE (-).
Display will show 8. for approx. one second.
CDA then tests: -
If a NiCad has been connected without the 12 Volt supply. Test failure displays a flashing
P for Power. Disconnect the NiCad and connect the 12 Volt supply.
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Summary of Contents for Schumacher CDA
- Page 1 Discharge current: - 6 Amps pulsed, 4.5 Amps average (heatsink is temperature controlled for safety) POWER SUPPLY The Schumacher CDA is designed to work on a 12 Volt power supply. This can be an automobile type battery or a stabilised mains power supply that meets the following requirements: - The voltage must be well smoothed and between 12 an 15 Volts.
- Page 2 (-60mV for 20 seconds). If detected, charge over. The CDA is not suitable for charging NiMh batteries as they will get too hot. If the button is pressed during charge the display will show the current state of the charge, then return to charging: - (Example) C t = 20 A H = 1.25 P U = 10.5...
- Page 3 DISCHARGE DISCHARGE START When a NiCad is connected the display will flash d and the NiCad will be discharged by 6 Amp pulses (4.5 Amps average). This will continue until the NiCad voltage drops below 5.1 Volts on load. If during the discharge period the heat sink temperature exceeds 70°C the discharge rate is reduced until the temperature drops below 70°C again.
- Page 4 This will eliminate any possible power supply problems. Please return your CDA direct to Schumacher Ltd for repair. You should allow up to 14 days for repair. Please give as much information as possible about the suspected cause of failure and the fault symptoms as this can lead to a quicker and cheaper repair.
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