GREAT PLANES ElectriFly TRITON2 Manuel - Sayfa 11

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1. At the "Pb CHARGE" screen, rotate the dial to find the "Pb DISCHARGE" screen.

2. Two values can be adjusted on this discharge screen. Press the dial to cause the discharge current value to flash, then rotate the

dial to change this value (0.1 – 3.0 amps). To determine if the battery can deliver its rated capacity, set this value to the battery's

capacity (in mAh) divided by 20. So, for a 7Ah battery, set this current to (7000mAh ÷ 20) = 350mA or "0.4A".

3. Press the dial to cause the voltage value to flash. This is the battery's minimum discharge cutoff voltage, based on 1.8V per

cell. Since most hobby batteries have a nominal voltage of 12.0V (6 cells), the proper discharge cutoff voltage would be (1.8V

x 6) 10.8V. Rotate the dial to adjust this value if necessary. Refer to the "notes" section below for a list of discharge cutoff

voltages for lead-acid batteries of other voltages. Press the dial to confirm both settings.

4. To START DISCHARGE, press the dial for 2 seconds. "BATTERY CHECK" will show briefly, and Triton2 will start discharging

if the battery is in suitable condition.

5. When discharge is finished, the screen will show "END" and

tones will sound for 10 seconds. The battery can now be re-

charged, or disconnected from Triton2. To see details about

input, output, and average discharge voltages, press BATT

TYPE and MENU CHANGE buttons simultaneously to see

the DATA VIEW screens (see page 12).

Several customizable features which support the charge, discharge, and cycle functions are found in the Setup Menu, such as safety

timers, time delays, thermal probe temperature settings, peak detection sensitivity, and others. IT IS NOT NECESSARY TO CHANGE

ANYTHING IN THE SETUP MENU. All factory default settings in the Setup Menu allow Triton2 to be safe to operate without making

any adjustments. If you do not wish to customize features in the Setup Menu, skip to the next section.

Refer to the Setup Menu flowchart included. Note that this menu is divided into four sections, for NiCd, NiMH, LiPo (or Li-Ion) and Pb

batteries. Press the MENU CHANGE button to find the "Buzzer" screen, which is the first screen at the top of the Setup Menu. Rotate

the dial to move up/down through all screens. To adjust any function, press the dial, rotate to the desired setting, and press the dial to

confirm the selection.

1. BUZZER: Tones can sound to indicate functions have started or ended. Ten different melodies can be selected, from "Melody 1" to

"Melody 10". "Buzzer Off" will turn the tones off.

2. SAFETY TIMER: IF for some reason the charger does not

recognize a battery has reached full charge, a backup safety

timer is built-in to automatically stop charge after a certain time.

This protects a battery from reaching a dangerous overcharge

condition. Set a safety time in minutes, which ranges from "No

time limit" to "990 minutes". See the "Safety Timer Calculations"

section at right for how to calculate a safety time limit. The

"Time limit over" error message will show if this timer activates

during charge. Do NOT assume the battery has reached full

charge if this occurs – especially if the battery is not even

slightly warm to the touch. If the battery is not reaching full

charge, in the future it may be necessary to increase the safety

timer minutes so the battery can reach full charge.

3. TEMPERATURE SCALE: When using the optional Thermal

Probe, temperatures can be measured and displayed in degrees

Fahrenheit (°F) or Celsius (°C). To change the setting, press the

dial, rotate, then press the dial again to confirm the setting.

4. TEMPERATURE CUT-OFF: This optional safety feature is highly recommended when using LiPo/Ion batteries and requires the

use of an optional Thermal Probe (GPMM3151). Set the maximum temperature the battery should be allowed to reach during charge

or discharge. The temperature range is 50-150 o F (10-65 o C). No battery should ever get HOT during charge. A maximum setting of

100 o F (37 o C) is recommended for LiPo/Ion batteries. Connect the probe to the charger (see page 4) and the battery. Start charge or

discharge. If the battery reaches the set temperature, charge or discharge will automatically stop and the "Batt.T too high" error will

show. Discharge will automatically resume when battery temperature reduces to a safe level. Do not connect a temperature sensor to

the charger if temperature monitoring will not be used.

DISCHARGING LEAD-ACID BATTERIES (Pb)

SETUP MENU

Notes about discharging Pb batteries:

• The maximum discharge current is 3 amps. Maximum power dissipation

during discharge is 20 watts which might cause discharge currents to

automatically be limited for packs having a voltage of over 6 volts. This

is normal.

• The proper discharge cutoff voltage for batteries with a nominal rated

voltage of 6V is 5.4V, and 24V batteries should be discharged to 21.6V.

Safety Timer Calculations

For NiCd and NiMH batteries, divide the battery's rated capacity (mAh) by the fast charge

current setting (A). Take that result, and DIVIDE BY 11.1. Set this number of minutes in

the safety timer screen. If the charger stops charge at this time limit, approximately 150%

of the battery's rated capacity will have been delivered to the battery. For example:

NiCd battery's

Fast charge

rated capacity

current setting

1500mAh

2.5A

3800mAh

2.3A

1000mAh

0.9A

For LiPo, Li-Ion, and Pb batteries, divide the battery's rated capacity (mAh) by the fast

charge current setting (A). Take that result, and DIVIDE BY 15.1. Set this number of

minutes in the safety timer screen. If the charger stops charge at this time limit,

approximately 110% of the battery's rated capacity will have been delivered to the battery.

For example:

LiPo battery's

Fast charge

rated capacity

current setting

2100mAh

1.8A

900mAh

0.6A

3200mAh

3.0A

Safety timer

calculated setting

(1500 divided by 2.5) = 600, divided by 11.1 = 54 minutes

(3800 divided by 2.3) = 1652, divided by 11.1 = 149 minutes

(1000 divided by 0.9) = 1111, divided by 11.1 = 100 minutes

Safety timer

calculated setting

(2100 divided by 1.8) = 1166.67, divided by 15.1 = 77 minutes

(900 divided by 0.6) = 1500, divided by 15.1 = 99 minutes

(3200 divided by 3.0) = 1066.67, divided by 15.1 = 70 minutes