1. Ozi nchekwa
Please read all instructions and warnings in this manual carefully before installation and operation. Failure to follow these instructions may result in electric shock, fire, or severe injury. Keep this manual for future reference.
- Always wear appropriate personal protective equipment, including eye protection, when working with batteries and electrical systems.
- Ensure all connections are tight and secure to prevent loose connections that can cause excessive heat and damage.
- Do not operate the charger in wet or damp ọnọdụ.
- Ensure adequate ventilation around the charger to prevent overheating.
- Disconnect all power sources before performing any maintenance or troubleshooting.
- Do not attempt to disassemble or repair the charger yourself. Contact qualified service personnel.
2. Ngwaahịa gafereview
2.1 Atụmatụ
- Ndakọrịta Batrị dị iche iche: The Renogy DC-DC charger is compatible with multiple alternator types and sub-battery types, including AGM, flooded, gel, and lithium-ion batteries.
- Smart 3-Stage Ịchaji: This battery charger charges the sub-battery from the starter battery using a 3-stage charging process (bulk, boost, float), ensuring optimal and automatic 100% charge.
- Main Battery Over-Discharge Protection: The DC-DC battery charger identifies whether the generator is running, preventing over-discharge of the starter battery and protecting the main battery.
- Nchekwa emelitere: Provides over-voltage protection, over-temperature protection, and reverse polarity protection, ensuring safe operation. It also isolates input and output to prevent voltage transmission errors and protect the house battery from overcharging.
- Nhazi na-adịgide adịgide: Features a compact and robust construction for reliable performance.
2.2 Akụkụ ngwaahịa
The image above shows the Renogy DC-DC Charger with its dimensions: 31.1 cm length, 17.5 cm width, and 6.8 cm height.
2.3 Nkọwa akụkụ
This diagram illustrates the various ports and indicators on the Renogy DC-DC Charger.
| # | Mark | Nkọwa |
|---|---|---|
| 1 | Ntinye (+) | Main Battery Positive |
| 2 | Ntinye (-) | Main Battery Negative |
| 3 | Ihe ngosi ike | Ike egosi LED |
| 4 | Ihe ngosi mperi | Error Indicator LED |
| 5 | S1 S2 S3 S4 S5 | Battery Type Setting Switch (DIP Switches) |
| 6 | RJ11 | Temperature Sensor Connection Port |
| 7 | D+ | Signal Line Connection Port |
| 8 | LC | Current Limit Port |
| 9 | Mpụta (+) | Sub-battery Positive |
| 10 | Mpụta (-) | Sub-battery Negative |
3. Ntọala na nwụnye
Ihe eserese 3.1 njikọ
This diagram illustrates the wiring connections for the DC-DC Charger in a typical RV setup, connecting to both the main (starter) battery and the sub-battery (house battery).
- DC-DC Charger ↔ Main Battery Wiring
- DC-DC Charger ↔ Sub-battery Wiring
- DC-DC Charger D+ Port ↔ Alternator D+ Terminal Wiring
Mara: All wiring requires separate purchase. Cables are not included with this product; please prepare them separately if needed.
3.2 Ntọala mgbanwe DIP
The image shows the DIP switches used to configure the charger. By operating the 5 switches (S1-S5), you can adjust the battery type and charging voltage.
- S1 and S2: Set Absorption Voltage
- S3 and S4: Tọọ Charge Float Voltage
- S5: Set Charging Mode
3.3 Nhọrọ nha USB
Refer to this table for recommended cable sizes and fuse ratings based on your specific DC-DC charger model and cable length.
| Nlereanya | USB | Nha eriri USB kacha nta | Fuse | |||
|---|---|---|---|---|---|---|
| DCC-1212-20 | Batrị isi | 0.61m 5.5sq | 2.44m 5.5sq | 4.88m 8.0sq | 9.75m 22sq | 30A |
| Sub-batrị | 0.61m 3.5sq | 2.44m 3.5sq | 4.88m 5.5sq | 9.75m 14sq | 25A | |
| DCC-1212-40 | Batrị isi | 0.61m 14sq | 2.44m 14sq | 4.88m 22sq | 9.75m 38sq | 60A |
| Sub-batrị | 0.61m 8.0sq | 2.44m 8.0sq | 4.88m 14sq | 9.75m 22sq | 50A | |
| DCC-1212-60 | Batrị isi | 0.61m 22sq | 2.44m 22sq | - | - | 90A |
| Sub-batrị | 0.61m 14sq | 2.44m 14sq | 4.8m 22sq | - | 75A | |
| D+/LC | 0.75～1.2SQ | |||||
3.4 D+ and LC Ports
The image highlights the D+ and LC ports on the charger.
- D+ Port: Connects to the alternator's D+ terminal for smart alternator detection.
- LC Port: By connecting to the LC port, the charging current can be limited by half. (Recommended cable size: 0.75～1.2SQ)
4. Ọrụ
4.1 3-Stage Usoro Nchaji
The graph above illustrates the 3-stage charging process (Bulk, Absorption, Float) that fully charges the battery.
- Nnukwu: Charges the battery at the maximum current until it reaches a set voltage.
- Absorption: A na-akwụ ụgwọ na vol mgbe niiletage, reducing current as the battery approaches full charge.
- sere n'elu: Maintains the battery at a constant, lower voltage to prevent self-discharge.
4.2 LED egosi
The charger features LED indicators to communicate the charging status and battery type. Refer to the tables below for detailed explanations.
| Typedị Batrị Indicdị | ||
|---|---|---|
| Agba | Ọnọdụ | Nkọwa |
| Akwụkwọ ndụ akwụkwọ ndụ | ON | SLA (nke ndabara) |
| Odo | ON | GEL |
| Uhie | ON | FLD (Flooded) |
| Acha anụnụ anụnụ | ON | LI (Lithium) |
| Ọcha | ON | User (Requires BT-2 Module and Renogy DC Home App) |
| Ihe ngosi batrị ọrụ | ||
|---|---|---|
| Agba | Ọnọdụ | Nkọwa |
| Akwụkwọ ndụ akwụkwọ ndụ | ON | Batrị zuru ezu |
| Odo | ON | Batrị voltage nkịtị |
| Uhie | ON | Batrị dị n'okpurutage |
| Uhie | Na-egbuke egbuke nwayọọ | Akwụsịla batrị |
| Uhie | Na-egbu maramara ngwa ngwa | Batrị karịrị voltage/over okpomọkụ |
Mara: Ihe ngosi Nchaji nwere ike gbanwee n'okpuru ọnọdụ ndị a:
- Uhie ruo odo: Mgbe voltage ruru 12.2V n'okpuru voltage mgbake.
- Yellow to Red: Mgbe voltage na-adaba na 12.0V n'okpuru voltage ịdọ aka ná ntị.
- Yellow to Green: A. Mgbe ọ ruru voltage chaja steeti, chaja ugbu a dị obere karịa 3A, na-adịru 30 sekọnd; B. Mgbe chaja ugbu a dị elu karịa 3A, ọ na-aga n'ihu na chaja ruo mgbe ọ ruru voltaji mgbe niiletage steeti na nke ugbu a na-adaba n'okpuru 3A, na-ewe 30 sekọnd.
| Ihe ngosi ọzọ/Ngosi Nchaji | ||
|---|---|---|
| Agba | Ọnọdụ | Nkọwa |
| Akwụkwọ ndụ akwụkwọ ndụ | ON | Alternator na-adọba batrị ọrụ |
| Uhie | Na-egbuke egbuke nwayọọ | PV na-ana batrị mmalite |
| Gbanyụọ | Anaghị akwụ ụgwọ | |
4.3 Alternator Type and Starting Battery Voltage
| Ụdị ọzọ | Starting Battery Voltage | |
|---|---|---|
| Mbipu | Bepụ | |
| Omenala Alternator | >13.2V, for 15 seconds | <12.7V |
| Smart Alternator | >12.0V, for 15 seconds | <11.5V |
4.4 Charging Current Distribution (Solar + Alternator)
| Nlereanya | RBC30DIS | RBC50DIS |
|---|---|---|
| Naanị Solar | 30A | 50A |
| Only Alt | 30A | 50A |
| Solar + ALT | 15A + 15A | 25A + 25A |
When using both solar and alternator inputs, the current is split. For example, the RBC30DIS model will provide 15A from solar and 15A from the alternator, totaling 30A.
5. Nlekọta
Regular maintenance ensures optimal performance and longevity of your Renogy DC-DC Charger.
- Periodically check all wiring connections for tightness and corrosion. Clean any corroded terminals.
- Inspect the charger for any physical damage or signs of overheating.
- Ensure the area around the charger is free from dust and debris to maintain proper ventilation.
- Verify that the battery type settings are correct for your installed batteries.
6. Nchọpụta nsogbu
If you encounter issues with your DC-DC Charger, refer to the following basic troubleshooting steps:
- Enweghị ike/LED agbanyụrụ: Check all battery connections and fuses. Ensure the starter battery voltage is above the cut-in threshold.
- Error Indicator On: Refer to the LED Indicators section (4.2) for the specific error type (over-voltage, over-temperature, reverse polarity, etc.) and take corrective action.
- Batrị anaghị achaji: Verify that the correct battery type is selected using the DIP switches. Check solar panel connections and output, and ensure the alternator is functioning correctly.
- Reduced Charging Current: Ensure the LC port is not connected if full current is desired. Check cable sizes against recommendations in section 3.3.
For persistent issues, please contact Renogy customer support.
7. Nkọwapụta
| Nkọwapụta | Uru |
|---|---|
| Ụdị | Ntughari |
| Agba | Nwa |
| Akụkụ ngwaahịa (D x W x H) | 17.5 x 31.1 x 6.8 cm |
| Mmepụta Voltage | 12 volts |
| Ụkpụrụ nnabata | CE, RoHS |
| Enyere aha ugbu a | 60 Amps |
| Nọmba Nlereanya Onye nrụpụta | RNG-DCC1212-60-JP |
| GTIN (Nọmba njirimara azụmaahịa zuru ụwa ọnụ) | 00810009715924 |
| UPC | 810009715924 |
| Ụdị ngwaahịa | chaja DC-DC |
| Ngwa gụnyere | Japanese Instruction Manual, DC-DC Charger Unit |
8. Official Product Video
This video provides a visual guide on how to install and connect the Renogy DC-DC MPPT Charger, demonstrating connections to a starter battery, a lithium house battery, and a solar panel. It also covers setting battery types and understanding LED indicators for charging status.
9. Akwụkwọ ikike na nkwado
Ngwaahịa a na-abịa na a Akwụkwọ ikike onye nrụpụta afọ 1.
For any questions or support regarding your Renogy DC-DC Charger, please contact our customer service team:
- Ekwentị: 1-909-287-7111 (M-F 8:30am-5pm PST)
- Websaịtị: https://www.renogy.com
- Email: nkwado@renogy.com