EPIPDB-COM-10 Dual Battery PWM Charge Controller
Product Information
Specifications
- Models: EPIPDB-COM-10, EPIPDB-COM-20
- Common-negative controllers
- Can be used with sealed, gel, or flooded batteries
- Supports dual battery configuration
- Includes remote temperature sensor for battery temperature
regulation - Grounding terminal for electromagnetic interference
shielding
Product Usage Instructions
1. Appearance
WARNING: Install the controller in a suitable
environment. Do not expose it to humid, salt spray, corrosion, or
other severe conditions.
Icon Functions:
- Connect with battery #1
- Connect with battery #2
- Connect with the PV array
- Remote temperature sensor for battery temperature regulation
(Optional) - Local temperature sensor for battery 1 and battery 2
- Remote meter connection
Note: The controller automatically obtains data from the
Remote Temperature Sensor (RTS) after connection.
CAUTION: Use a common-negative controller for
common-negative systems like RV systems to prevent damage.
2. Mode Setting
Three LEDs indicate different specifications for battery type,
charging priority, and charging frequency setting.
- 1st LED (Battery type setting):
- 1 – Sealed battery
- 2 – Gel battery
- 3 – Flooded battery
Frequently Asked Questions (FAQ)
Q: Can the controller be used in extreme weather
conditions?
A: No, the controller should not be installed in humid,
salt spray, or other severe environments. It is recommended to
place it in a suitable environment to ensure proper
functionality.
Q: How does the controller handle charging when one battery is
fully charged?
A: During normal charging, if one battery is fully
charged, the controller diverts more charge current to the other
battery. It automatically adjusts the charging percentage and
returns to the set percentage when the voltage of the first battery
is low.
Dual Battery Solar Controller User Manual
Models: EPIPDB-COM-10 EPIPDB-COM-20
CONTENTS
1. Appearance ……………………………………………………..1 2. Mode setting …………………………………………………….2 3. Troubleshooting………………………………………………..4 4. Technical information…………………………………………4 5. Mechanical drawing…………………………………………..5
1. Appearance
WARNING
Do not install the controller in humid, salt spray, corrosion, greasy, flammable, explosive, dust accumulative, or other severe environments.
(Note: connect the components as the 1-6)
Icon
Function
Connect with battery #1.
Connect with battery #2.
Connect with the PV array.
Remote temp. sensor Remotely measure the battery temperature
(Optional)
to regulate the battery voltage.
1
Local temp. sensor
For battery 1
For battery 2
Remote
meter
connection
Measure ambient temperature. Indicate battery #1 charging status and error. Indicate battery #2 charging status and error.
Connect with a remote meter.
Note: No RTS; the controller measures ambient temperature by the local temp. sensor. While the controller will obtain data from the RTS automatically after the RTS is connected.
EPIPDB-COM series are common-negative controllers. Negative terminals of the PV array and batteries can be grounded simultaneously, or any negative terminal is grounded. According to the practical application, the negative terminals of the PV array and batteries can also be ungrounded. However, the grounding terminal on the controller shell must be grounded. It can shield electromagnetic interference and avoid electric shock to the human body.
CAUTION
Using a common-negative controller for common-negative systems, such as the RV system, is recommended. The controller may be damaged if a common-positive controller is used and the positive electrode is grounded in the common-negative system.
2. Mode setting
Three LEDs flash, and each LED indicates different specifications. Choose 2
the LED according to the following information, and then press the button
for 5 seconds until the number flashes. And then, choose one number you
need and leave it, and the number will be saved. 1. 1st LED is for the battery type setting.
1st LED
Battery type
1
Sealed battery
2
Gel battery
3
Flooded battery
2. 2nd LED is for the charging priority setting. Set the percentage for
battery #1, and the controller will automatically calculate the rest
percentage for battery #2.
2nd LED
Battery #1 charging percentage
Battery # 2 Charging percentage
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 the normal charging process, the controller charges the battery per the set percentage. If one battery is fully charged (such as battery #1), more charge current will be diverted to the other battery (battery #2). The controller automatically returns to the setting percentage when battery #1 is low voltage. When the controller detects only one battery, all the charging current will go
3
to this battery automatically. 3. 3rd LED is for the charging frequency setting.
3rd LED
PWM charging frequency
0
25Hz(pre-set)
1
50Hz
2
100Hz
3. Troubleshooting
No.
LED Status
Troubleshooting
Short circuit. Please check whether the PV
1
LED blinking
and battery connection is correct.
LED slowly
2
Fully charged
flashing
3
LED ON
In charging
LED frequent
4
No charging or any battery is detected.
flashing
5
LED OFF
No battery or system over voltage.
4. Technical information
Model Nominal system voltage Rated charge current Battery Type Equalize charging voltage Boost charging voltage
EPIPDB-COM-10 EPIPDB-COM-20
12/24VDC Auto
10A
20A
Sealed; Gel; Flooded
Sealed: 14.6V; Gel: No; Flooded: 14.8V
Sealed: 14.4V; Gel: 14.2V; Flooded: 14.6V
Float charging voltage Maximum solar voltage
Sealed/Gel/Flooded: 13.8V 30V(12V System); 55V(24V System)
4
Battery voltage range
8 ~ 15V
Boost time
120 minutes
Self-consumption
4mA at night; 10mA at charging
Communication port
8-PIN RJ-45
Temp. compensation
-5mV//2V
Terminals
4mm2
Environment temperature
-35 ~ +55
Net weight
250g
Note: The above parameters are measured in the condition of a 12V
system. Please double the values in the 24V system.
5. Mechanical drawing
Version Number: V3.1
5
HUIZHOU EPEVER TECHNOLOGY CO., LTD.
Tel: +86-752-3889706 E-mail: info@epever.com Website: www.epever.com
Documents / Resources
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