PowerTech MP-3760 Bedienungsanleitung
Dual Battery Solar Controller
USER MANUAL
Ideal for RVs, Caravans, Boats, Buses and more
10A, 12/24VDC Auto
NOTES: For use with solar panels only
1
INTORDUCTION
We have many solar battery charge controllers - up to 50A - but they
only work on one battery bank. This unit will charge TWO house battery
banks or one house bank and your motor start battery as well. Too often
the motor start battery is forgotten if you are camped in the one spot for
a long time.
Features:
Will charge 2 completely separate battery banks at the same
time or even single battery.
Works with 12V or 24V systems
Highly efficient PWM (Pulse-width modulation) charging
system
Provides up to 10A charging current (Limited by size of your
solar panels)
Electronic protection from over charging short circuit or
accidental reverse battery connection
Specifications:
Max solar input voltage: 30V (12V system), 55V (24V system)
Battery input voltage range: 8-15V (12V system), 8-30V (24V
system)
Max output current (both channels): 10A
Overnight self-consumption: 4mA
Dimensions: 153 x 76 x 37mm
2
TECHNICAL INFORMATION
Description
Sealed
battery
Gel
battery
Flooded
battery
Equalize charging voltage
14.6V
—
14.8V
Boost charging voltage
14.4V
14.2V
14.6V
Float charging voltage
13.8V
13.8V
13.8V
Maximum solar voltage
30V（12V System）
55V（24V System）
Battery voltage range
8~15V
Boost time
2 hours
Self-Consumption
4mA at night, 10mA during
charging
Remote connection
8-pin RJ-45
Temp. compensation
-30mV/12V/℃
Terminals
4mm2
Temperature
-35℃to +55℃
Net weight
250g
Note: all the data is for 12V, for 24V, please use 2x.
Major Features of Dual-Battery controller
3
SET UP
(Note: Connect the components in sequence 1 to 6, refer Diagram:
Major Features of Dual-Battery controller)
Connect with Battery #1 (Step 1 and 2)
Connect with Battery #2 (Step 3 and 4)
Connect with the Solar Panel (Step 5 and 6)
Warning
Incorrect connection of Battery can damage the regulator
If used for single battery systems skip steps 3 and 4
FEATURES
Remote Temp. sensor
A connection point for RTS (optional) to remotely monitor battery
temperature
Local Temp. sensor
Measures ambient temperature. Battery regulation is adjusted
accordingly
For Battery 1
Provides Charging, Battery status and Errors
For Battery 2
Provides Charging, Battery status and Errors
Remote meter connection
4
A communication port for the remote meter (Not Included)
Note: In absence of RTS, the controller calculates the data received from
local temp. sensor. The controller will switch to RTS reading
automatically when RTS is connected.
SETTING MODE
-The Regulator automatically detects Battery voltage
-24V battery must have 24V solar panels and 12V battery must have
12V panels
1. Press Set button to begin mode selection process
2. Press Set to toggle through: Battery Type, Charge Priority, Charge
Frequency
3. Once suitable mode is selected, press and hold Set button for 5
seconds, until LED and setting begins to flash, to change the setting
for the selected mode.
4. Press the Set button to toggle through settings
5. Once the desired setting is selected, leave Set button for 5 seconds
to save setting and return to mode select process
6. Once all modes have been set, leave the Set button for 5 seconds
and the mode select process will end.
5
MODES
1. 1st LED is for Battery Type
Setting
Battery type
1
Sealed battery
2
Gel battery
3
Flooded battery
2. 2nd LED is for Charging priority, only set the percentage you want for Battery
#1, the controller will automatically calculate for Battery #2.
Setting
Battery #1
charging
Battery # 2
charging
0
0%
100%
1
10%
90%
2
20%
80%
3
30%
70%
4
40%
60%
5
50%
50%
6
60%
40%
7
70%
30%
8
80%
20%
9
90%(pre-set)
10%
Note: During normal charging, the controller will divide the charging as per the
settings. Once Battery #1 is fully charged, more charge will go to Battery #2. Once
Battery #1 is in low voltage and the setting will automatically revert to priority
setting.
6
When the controller detects only Battery #1, all power will be sent to battery #1
automatically.
3. 3rd LED is for charging frequency.
Setting
PWM Charging frequency
0
25Hz (pre-set)
1
50Hz
2
100Hz
TROUBLESHOOTING
1. LED flash (multiple flashes per second):
Short circuit; check the solar panel and battery to make sure they are
corrected properly
2. LED flash (1 flash per second):
Fully charged
3. LED ON:
Charging
4. LED flash (1 flash every 3 seconds):
Battery connected, no charge current
5. LED OFF:
No connection or over voltage
7
MECHANICAL DRAWING
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