DOMETIC SMP439-10 Battery Charger and Buck Boost Converter Instruction Manual

POWER & CONTROL
NBC

SMP439-10 Battery Charger and Buck Boost Converter

NBC1230DUAL-OE (SMP439-10)

Battery charger and buck-boost converter Installation and Operating manual

Copyright
© 2023 Dometic Group. The visual appearance of the contents of this manual is protected by copyright and design law. The underlying technical design and the products contained herein may be protected by design, patent or be patent pending. The trademarks
mentioned in this manual belong to Dometic Sweden AB.
All rights are reserved.

List of Figures

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Important notes

Please read these instructions carefully and follow all instructions, guidelines, and warnings included in this product manual in order to ensure that you install, use, and maintain the product properly at all times. These instructions MUST stay with this product.
By using the product, you hereby confirm that you have read all instructions, guidelines, and warnings carefully and that you understand and agree to abide by the terms and conditions as set forth herein. You agree to use  thisproduct only for the intended  urpose and application and in accordance with the instructions, guidelines, and warnings as set forth in this product manual as well as in accordance with all applicable laws and regulations. A failure to read and follow the instructions and warnings set forth  herein may result in an injury to yourself and others, damage to your product or damage to other property in the vicinity. This product manual, including the instructions, guidelines, and warnings, and related documentation, may be subject to changes and updates. For up-to-date product information, please visit documents.dometic.com.

Related documents

http://qr.dometic.com/beNNr7

Find the installation and operating manual online on qr.dometic.com/beNNr7.

Safety instructions

General safety
Also observe the safety instructions and stipulations issued by the vehicle manufacturer and authorized workshops.
WARNING! Electrocution hazard

• Installation and removal of the battery charger may only be carried out by qualified personnel.
• Do not operate the device if it is visibly damaged.
• If this device’s power cable is damaged, the power cable must be replaced by the manufacturer, a service agent or a similarly qualified person in order to prevent safety hazards.
• This device may only be repaired by qualified personnel. Improper repairs can lead to considerable hazards.
• If you disassemble the device: Detach all connections. Ensure that no voltage is present on any of the inputs and outputs.
• Do not use the device in wet conditions or submerge it in any liquid. Store the device in a dry place.
• Only use accessories that are recommended by the manufacturer.
• Do not modify or adapt any of the components in any way.
• Disconnect the device from the power supply:
  Before each cleaning and maintenance After every use Before changing a fuse Before carrying out electrical welding work or work on the electrical system

WARNING! Health hazard

• This device can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and know-ledge if they have been given supervision or instruction concerning use of the device in a safe way and understand the hazards involved.
• Electrical devices are not toys. Always keep and use the device out of the reach of very  young children.
• Children must be supervised to ensure that they do not play with the device.
• Cleaning and user maintenance shall not be made by children without supervision.

NOTICE! Damage hazard

• Before start-up, check that the voltage specification on the data plate is the same as that of the power supply.
• Ensure that other objects cannot cause a short circuit at the contacts of the device.
• Ensure that the negative and positive poles never come into contact.
• Do not pull the plug out of the socket by the connection cable.
• Ensure that the connection to the mains complies with the national wiring regulations.
• Connect the battery charger only to a grounded socket.

Installing the device safely
DANGER! Explosion hazard
Never mount the device in areas where theris a risk of gas or dust explosion.
CAUTION! Risk of injury

• Ensure that the device and the battery is standing firmly. The device and the battery must be set up and fastened in such a way that it cannot tip over or fadown.
• When positioning the device, ensure that all cables are suitably secured to avoid any form of trip hazard.

NOTICE! Damage hazard

• Do not place the battery charger near heat sources (heaters, direct sunlight, gas ovens, etc.).
• Set up the device in a dry location where it is protected against splashing water.

Safety when connecting the device electrically
DANGER! Electrocution hazard

• For installation on boats: If electrical devices are incorrectly installed on boats, corrosion damage might occur. Have the device installed by a specialis(marine electrician).
• If you are working on electrical systemsensure that there is somebody close at hand who can help you in emergencies.

WARNING! Electrocution hazard

• Observe the recommended cable cross-sections.
• Lay the cables so that they cannot be damaged by the doors or the hood. Crushed cables can lead to serious injury.

NOTICE! Damage hazard

• Use ductwork or cable ducts if it is necessary to lay cables through metal panels or other panels with sharp edges.
• Do not lay the 230 V mains cable and the 12 V cable in the same duct.
• Do not lay the cable so that it is loose or heavily kinked.
• Fasten the cables securely.
• Do not pull on the cables.

Operating the device safely
DANGER! Electrocution hazard

• Do not touch exposed cables with your bare hands. This applies especially when operating the device from the AC mains.
• To be able to disconnect the device quickly from the AC power supply, the socket must be close to the device and be easily accessible.

WARNING! Electrocution hazard
Only use the device in closed, well-ventilated rooms.
CAUTION! Explosion hazard
Do not operate the device under the following conditions:
In salty, wet or damp environments
In the vicinity of corrosive fumes
In the vicinity of combustible materials
In areas where there is a danger of explosions
CAUTION! Electrocution hazard

• Before starting the device, ensure that the power supply line and the plug are dry and the plug is free from rust or dirt.
• Always disconnect the power supply when working on the device.
• Observe that parts of the device may still be under voltage even if the fuse has blown.
• Do not disconnect any cables when the device is still in use.

NOTICE! Damage hazard

• Ensure that the air inlets and outlets of the device are not covered.
• Ensure a good ventilation.
• Never pull the plug out of the socket by the connection cable.
• The device shall not be exposed to rain.

Safety when handling batteries
WARNING! Risk of injury

•  Batteries contain aggressive and caustic acids. Avoid battery fluid coming into contact with your body. If your skin does come into contact with battery fluid, wash that part of your body thoroughly with water. If you sustain any injuries from acids, contact a  doctor immediately.
• When working on batteries, do not wear any metal objects such as watchor rings. Lead acid batteries can cause short circuits which can cause serious injuries.
• Only use insulated tools.
• Do not place any metal parts on the battery.
• Wear goggles and protective clothing when working on batteries. Do not touch your eyes when working on batteries.
• Do not use defective batteries.

WARNING! Health hazard
Keep the battery out of the reach of children
CAUTION! Electrocution hazard

• Keep the battery away from water.
• Avoid short circuits.
• Avoid clothing rubbing against the battery.
• Wear antistatic clothing when handling the battery.

CAUTION! Explosion hazard

• Do not place the battery in a area with flammable liquids or gases.
• Never attempt to charge a frozen or defective battery. Place the battery in a frost-free area and wait until the battery has acclimatized to the ambient temperature. Then start the charging process.
• Do not smoke, use an open flame, or cause sparking near the engine or a battery.
• Keep the battery away from heat sources.

NOTICE! Damage hazard

• Only use rechargeable batteries.
• Prevent any metal parts from falling onto the battery. This can cause sparks or short-circuit the battery and other electrical parts.
• Ensure that the polarity is correct when connecting the battery.
• Follow the instructions of the battery manufacturer and those of the manufacturer of the system or vehicle in which the battery is used.
• If the battery has to be removed, first disconnect the ground connection. Disconnect all connections and all consumers from the battery before removing it.
• Only store fully charged batteries. Recharge stored batteries regularly.
• Do not carry the battery by its terminals.

Safety when handling lead acid batteries
CAUTION! Health hazard
The water-acid liquid inside the battery can evaporate and cause an acidic odor. Use the battery only in a well ventilated area.

NOTICE! Damage hazard

• The battery is not sealed. Do not turn the battery on its side or upside down. Place the battery on a horizontal surface.
• Check the acid level for open lead acid batteries regularly.
• Immediately recharge deeply discharged lead  acidbatteries to avoid sulfation.

Safety when handling lithium batteries
CAUTION! Risk of injury
Only use batteries with integrated battery management system and cell balancing.
NOTICE! Damage hazard

• Only install the battery in environments with an ambient temperature of at least 0 °C.
• Avoid deep discharge of the batteries.

Target groups

The electrical power supply must be connected by a qualified electrician who has demonstrated skill and knowledge related to the construction and operation of electrical equipment and installations,  and who is familiar with the applicable regulations of the country in which the equipment is to be installed and/or used, and has received safety training to identify and avoid the hazards involved.

Intended use

The battery charger is intended for charging a starting and a house 12 V battery with a capacity of 50 … 250 Ah or only 1 of the 2 batteries. The battery charger is intended for charging the following battery types:

• Lead acid batteries
• Lead gel batteries
• AGM batteries
• LiFePo4 batteries

The battery charger is not intended to charge other battery types (e. g. NiCd, NiMH etc.) or non-rechargeable batteries.
The battery charger is suitable for:

• Indoor use
• Installation in caravans and motor homes
• Stationary or mobile use

The battery charger is not suitable for:

• Outdoor use
• Installation in boats

This product is only suitable for the intended purpose and application in accordance with these instructions. This manual provides information that is necessary for proper installation and/or operation of the product. Poor installation and/or improper  operating or maintenance will result in unsatisfactory performance and a possible failure.
The manufacturer accepts no liability for any injury or damage to the product resulting from:

• Incorrect assembly or connection, including excess voltage
• Incorrect maintenance or use of spare parts other than original  spare parts provided by the manufacturer
• Alterations to the product without express permission from the manufacturer
• Use for purposes other than those described in this manual

Dometic reserves the right to change product appearance and product specifications.

Installation

Installation location
When selecting an installation location, consider the following:

• The battery charger and the batteries should not be installed in the same area.
• The battery charger should not be installed above batteries as they may emit corrosive sulfur vapors that can damage the battery charger.
• The mounting surface must be even and sufficiently firm.
• The device must be installed in a location that is protected from moisture and dust.
• There should be a space of at least 25 cm above and below the battery charger and 5 cm to the left and right sides. Fig. 1 on page 1

Mounting the battery charger
CAUTION! Risk of overheating
Ensure that the air inlets are not covered.
NOTICE! Damage hazard
Ensure that no electrical cables or other parts of the vehicle can be damaged by drilling.

1. Place the battery charger to the installation location.
2. Mark the fastening points.
3. Mount the battery charger vertically on a wall with one of the following options:
   • M4 or M5 screws with washers and locknuts
   • Self-tapping screws
   • Wood screws
   Fig. 2  on page 1

Connecting the battery charger
NOTICE! Damage hazard

• Ensure the battery terminals are clean.
• Use cables with a cable cross-section suitable for 30 A.
• Do not connect the negative terminal of the battery to the ground (chassis) of the vehicle. Connect the charger directly to the positive and negative terminals of the batteries.
• Do not reverse the polarity.

Fig. 3 on page 2

1. Switch off the electric devices which are connected to the batteries.

2. If no LiFePo4 battery is used, connect an IBS (Fig. 3 , 5) to a temperature sensor socket and the house battery.
   Note Follow the manufacturer’s instructions.

3. If desired, connect a remote control, a monitoring and controlling device, or the CI bus of the vehicle (Fig. 3 ,4) to a LIN bus socket.
   Note
   • Follow the manufacture’s instructions.
   • Ensure that the CI bus supports the setting of battery charging.

4.  If desired, connect a relay (Fig. 3 , 2) to the AC interlock socket.
   Note Follow the manufacturer’s instructions.

5. Connect the positive cable from the battery charger to the positive terminal of the battery.

6. Connect the negative cable from the battery charger to the negative terminal of the battery.

7. Connect the battery charger to the D+ connection and the power supply.

Disconnecting the batteries

Follow the installation procedure in reverse order.

Operation

Selecting the house battery type
Before selecting the house battery type ensure the following:

• No batteries are connected to the battery charger.
• The battery charger is connected to an AC power source.

  Press the jump starter and house battery type selector button .
  ∨ The LED indicator flashes green and red.

Each press selects the next battery type and the output LED indicator signals the chosen type with the number of green  flashes followed by one red flash:

Using the battery charger
The battery charger automatically charges the batteries when it is connected to an AC source or an alternator.
Charging the starting battery using the house battery
Note The jump start function can only be activated when the battery charger is not connected to an AC source, no D+ signal is present and the house battery voltage is more than 11.8 V.

Press the jump starter and house battery type selector button for at least 2 s to start charging.
∨ The starting battery is charged for 10 min from the house battery.
Note After 10 min, the process can be repeated by pressing the jump starter and house battery type selector button again.

Warranty

The statutory warranty period applies. If the product is defective, please contact the manufacturer’s branch in your country (see dometic.com/dealer) or your retailer.
For repair and warranty processing, please include the following documents when you send in the device:

• A copy of the receipt with purchasing date
• A reason for the claim or description of the fault Note that self-repair or nonprofessional repair can have safety consequences and might void the warranty.

Disposal

Recycling products with non-replaceable batteries, rechargeable batteries or light sources:

• If the product contains any non-replaceable batteries, rechargeable batteries or light sources, you don’t have to remove them before disposal.
• If you wish to finally dispose of the product, ask your local recycling center or specialist dealer for details about how to do this in accordance with the applicable disposal regulations.
• The product can be disposed free of charge.

dometic.com
YOUR LOCAL
DEALER
dometic.com/dealer
YOUR LOCAL
SUPPORT
dometic.com/contact
YOUR LOCAL
SALES OFFICE
dometic.com/sales-offices
A complete list of Dometic companies, which comprise the Dometic Group, can be found in the public filings of:
*DOMETIC GROUP AB Hemvarnsgatan 15 SE-17154 Solna Sweden**

Documents / Resources

| DOMETIC SMP439-10 Battery Charger and Buck Boost Converter [pdf] Instruction Manual
SMP439-10 Battery Charger and Buck Boost Converter, SMP439-10, Battery Charger and Buck Boost Converter, Buck Boost Converter, Boost Converter
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References

• Find a Dealer | Dometic USA
• MDaemon Webmail

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