PowerTech MP-3760 Manuale utente

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

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

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

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

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

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.

MODES

1. 1st LED is for Battery Type

Setting

Battery type

Sealed battery

Gel battery

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

100%

10%

90%

20%

80%

30%

70%

40%

60%

50%

60%

40%

70%

30%

80%

20%

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.

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

25Hz (pre-set)

50Hz

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

MECHANICAL DRAWING

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