Dometic TwinBoost4000 Heating LPG Combi Heaters Instruction Manual

HEATING
LPG COMBI HEATERS TwinBoost4000, TwinBoost6000
TwinBoost6000H, TwinBoost8000H

TwinBoost4000 Heating LPG Combi Heaters

© 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.

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 this product only for the intended purpose 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.

Explanation of symbols

| WARNING!
Safety instruction: Indicates a hazardous situation that, if not avoided, could result in death or serious injury.
---|---
| CAUTION!
Safety instruction: Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury.
| NOTICE!
Indicates a situation that, if not avoided, can result in property damage.
| NOTE
Supplementary information for operating the product.

Safety instructions

Please observe the prescribed safety instructions and stipulations from the vehicle manufacturer and service workshops.
Note the following basic safety information when using electrical devices to protect against:

• Electric shock
• Fire hazards
• Injury

WARNING!

• Installation and repair of the device must only be carried out by qualified personnel who are familiar with the risks involved and the relevant and national regulations. Inadequate repairs may cause serious hazards. For repair service, please contact the manufacturer‘s support (see back page).

• Maintenance, repair and cleaning must not be carried out by children.

• 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 knowledge if they have been given supervision or instruction concerning use of the device in a safe way and understand the hazards involved.

• In the event of a fire only use approved extinguishing agents. Do not use water to extinguish fires.

• If there is a leak on your device (smell of gas):
  – Avoid ignition sources. Immediately extinguish all naked flames, do not operate electrical switches or devices such as radio or mobile phone. Do not start the vehicle engine. Do not smoke.
  – Open windows and doors.
  – Evacuate all persons from the vehicle.
  – Close the gas cylinders from the outside.
  – Have the entire gas system checked and, if necessary, repaired by qualified personnel.
  – Only then put the gas system back into operation.

• Switch off the device when vehicle or any other appliance is being refuelled.

• Also observe the safety instructions in fig. 1, page 3 and fig. 2, page 3.
  CAUTION!

• Only operate the device if you are certain that the housing and the cables are not damaged.

• Defective devices must not be used.

• Do not use the device near flammable fluids.

• Do not use the device without warm air ducts mounted.

• If the power supply cord is damaged, it must be replaced by the manufacturer, his service agent or similar qualified personnel.
  NOTICE!

• Only use the device as intended.

• Do not make any alterations or conversions to the device.

• The device itself cannot ensure that the complete vehicle will remain frost free. This depends on the setup of the vehicle‘s water system and the ambient temperature.
  Drain the water heater using the safety and drain valve when the temperature inside the vehicle threatens to fall below 0 °C.

• TwinBoost6000H, TwinBoost8000H only: Check that the power supply fuse on the campsite is sufficient for the set power:
  – For 900 W: 4 A
  – For 1800 W: 8 A

• Danger of overheating for the AC connection cable
  TwinBoost6000H, TwinBoost8000H only: If you are using a cable reel for power supply, unwind it completely.

Target group for this operation manual
The instructions in this manual are intended for persons who will use the device.

Intended use

The heater is designed for use in motor caravans, caravans and other vehicles with habitation compartments only, when the gas system is installed in accordance with EN 1949.
The device is not suitable for installation in construction machines, agricultural machines, utility vehicles, marine craft, houses and apartments, hunting and forestry cabins, weekend homes, awning tents or similar equipment.
The device may only be used to heat drinking water and to heat the interior of the vehicle. Never use it to warm other liquids.
Only use the device with original warm air ducts and side cowl from the manufacturer installed. Never use other warm air ducts or cowls.
The device may only be operated while driving if facilities are installed to prevent uncontrolled leakage of liquid gas in the event of an accident (according to UN-ECE regulation 122).
Devices not installed according to the manufacturer‘s installation requirements are not allowed to be used.
If the device is installed in vehicles for commercial use, the national legal and insurance requirements need to be considered by the operator.
The device is not intended for use in altitudes above 2000 m.
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 installation, 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.
The manufacturer accepts no liability for any injury or damage to the product due to frost caused by the user not following the instructions in the manual.

Using the device

At interior temperatures around 0 °C the safety and drain valve opens automatically, thus draining the water from the water heater and preventing the water heater from being damaged by freezing water.
4| Air inlets

Setting the device

1. Adjust brightness of the control panel display: See fig. 4, page 3.
2. Set max. fan speed in silent mode : See fig. 5, page 3.
3. Set min. fan speed in ventilation mode : See fig. 6, page 3.
4. Set temperature unit: See fig. 7, page 4.

NOTE
Silent mode might have impact on maximum available heat output and function of the water heating.
Setting and using the timers

1. Set and activate coming home timer for air heater: see fig. 8 and fig. 11, page 4.
2. Set and activate sleeping timer for air heater: see fig. 9 and fig. 11, page 4.
3. Set and activate coming home timer for water heater: see fig. 10 and fig. 11, page 4.
4. Change active timer: see fig. 12, page 4.
5. Deactivate timer: see fig. 13, page 4.

Using favorites
You can save frequently used settings as favorites so they can easily be selected again later. Up to 6 favorites are possible (A … F).

1. Save the current settings as a favorite: see fig. 14, page 4
2. Select a favorite: see fig. 15, page 4.

Flushing the water heater
➤ Proceed according to fig. 16, page 4.
Filling the water heater
If the interior temperature is below 0 °C, heat the interior with the device first. Otherwise, the safety and drain valve will open and drain the water heater.
➤ Proceed according to fig. 17, page 4.
Emptying the water heater
➤ If temperature inside the vehicle is below 0 °C: ensure that the safety and drain valve has released, see fig. 18, page 5.
If the vehicle is not used during the frost period, the water heater must be emptied.
➤ Proceed according to fig. 19, page 5.
Start after a long period of non-use

1. Check the cowl and remove the cover and any dirt (e.g. leaves, cobwebs, etc.).
2. Flush the water heater according to fig. 16, page 4.
   After a long period of non-use, smoke or odours may develop for a few minutes due to dust or dirt.
   ➤ In this case, ensure that the interior is well ventilated and perform selfcleaning: see chapter “Self-cleaning” on page 7.

Cleaning and maintenance

➤ Clean the device according to fig. 20, page 5.
➤ Never use detergents containing chlorine for cleaning and disinfection.
➤ Perform self-cleaning once a week: see chapter “Self-cleaning” on page 7.
➤ If side cowl is positioned below a window: Check window switch operation as a pre trip or seasonal check.
➤ Check regularly, especially after long journeys, that the cowl and the exhaust duct are intact and correctly fixed.
➤ Operate the safety and drain valve regularly, at least twice a year, to remove limescale deposits and ensure proper function.
➤ Have the device, its gas supply, the exhaust duct and the cowl checked by an expert in accordance with national regulations (e.g. in Germany every 2 years). If no national regulations exist that should be done at least every 2 years. The inspection must be certified on a test certificate (e.g. DVGW Work Sheet G 607 for vehicles in Germany).
Self-cleaning
To clean the system against bacteria operate the device for a few minutes at the highest temperature level for self-cleaning:

1. Set room temperature to max. value.
2. Choose auto mode for air heating.
3. Choose hot mode for water heating.

Replacing fuses
WARNING!
Before servicing or changing the fuses, switch off the device, shut the gas supply and disconnect DC (12 V) supply.
TwinBoost6000H, TwinBoost8000H only: Disconnect the AC (230 V) supply.
➤ Replace broken DC fuses according to fig. 21, page 5. Only use fuses with the same value.

Troubleshooting

Routine in case of a gas leak (smell of gas)
➤ Avoid ignition sources. Immediately extinguish all naked flames.
Do not operate electrical switches or devices such as radio or mobile phone. Do not start the vehicle engine. Do not smoke.

1. Open all windows and doors.
2. Evacuate all persons from the vehicle.
3. If possible, close the gas cylinders from the outside.
4. Have the entire gas system checked and, if necessary, repaired by qualified personnel.
5. Only then put the gas system back into operation.

Error code table
The display shows up to 4 error codes and warnings.

1. Scroll through the error codes: see fig. 22, page 5.
2.  Reset error codes: see fig 23. m, page 5.
3. Reset warnings: see fig. 24, page 5.
   Alternatively, you can switch off the system by pressing the button for 3 s.

2. Charge battery.
3. Connect vehicle to AC power.
4. If none above solves the issue contact the manufacturer‘s support (see back page of this manual).
003| 1. Check battery voltage and ensure it is less than 16.5 V.
If battery voltage is higher than 16.5 V either a wrong battery is connected or battery is broken.
2. Replace battery with battery that supplies DC power according to technical data (see data plate).
3. In case vehicle is connected to AC power check if battery is charging.
4. If battery is charging check charging voltage (must be lower than 16.5 V to assure proper function whilst charging).
005| 1. Check DC power fuses (see chapter “Replacing fuses” on page 7).
2. If device does not operate properly contact the manufacturer‘s support (see back page of this manual).
007| ➤ Contact the manufacturer‘s support (see back page of this manual).
008
403 … 421| 1. Wait 3 minutes, then restart.
2. If the device does not operate properly contact the manufacturer‘s support (see back page of this manual).
422| 1. Assure that air heater is switched off.
2. Wait 15 – 30 minutes until device has cooled down.
3. Check if all air inlet grilles and the warm air ducts to the device are not blocked.
4. Restart air heater.
5. If device does not operate properly contact the manufacturer‘s support (see back page of this manual).
423| 1. Assure that water heater is switched off.
2. Wait 15 – 30 minutes until device has cooled down.
3. Check if water heater is filled with water.
4. Refill with water if water was missing.
5. Restart water heater.
6. If device does not operate properly contact the manufacturer‘s support (see back page of this manual).
424| 1. Check if the window above the cowl is opened (if available).
2. If window was opened close window and restart device.
3. If window was closed execute the default routine (see back page of this manual).
431| 1. Wait 2 minutes.
2. Reset warning.
3. Check power supply.
434| Self shutdown. Service warning has been ignored too long.
➤ Contact the manufacturer‘s support (see back page of this manual) for service. Device can only be restarted after service.

Warning code table

Water heating is shut down. Only air heating is operating.
2. Operate the air heating at the highest level so that the  interior temperature rises and the water heating is ready for operation again.
432| TwinBoost6000H,
TwinBoost8000H
only: AC power supply disconnected or interrupted.| 1. Reset warning.
Device is now only operated with gas.
2. Check power supply.
433| Service required.| 1. Reset warning.
2. Contact the manufacturer‘s support for service after your  vacation or at the next opportunity.
If you wait too long, the device will turn itself off and can only  be restarted after service.

Technical data

| TwinEtoost4000| TwinBoost 6000H| TwinBoost 6000| TwinBoost 8000H
---|---|---|---|---
Protection class| IPX1
Heating capacity| 4000 W| 4000 W
(1800 W electrical)| 6000W| 6000 W
(1800W electrical)
Rated input voltage| 12 V | 12 V
230/240V ~, 50/60 Hz| 12 V | 12 V
230/2401V ~ , 50/60 Hz
Input voltage range| 10-16.5 V | 10-16.5 V
220-240 V~, 50/60 Hz| 10-16.5 V | 10-16.5 V
220 – 240 V.~ , 50/60 Hz
Current consumption (12 V=)| Water heating 0.7 A
Max. air heating 7 A| Water heating 0.7 A
Max. air heating 12 A
Stand-by consumption| 5 mA
Required fuse| 15 A
Gas category| 13B/p (30), LPG / Butane
Gas connection pressure| 30 mbar
Gas consumption
 (Max. air heating)| 327 g/h| 495 g/h
(Water heating)| 185 g/h
(Combi heating)| 512 g/h
Gas stand-by consumption| 7.7 g/h (maintain water temperature)
Nominal heat input
(Max. air heating)| 4.5 kW (Hs)| 6.8 kW (Hs)
(Water heating)| 2.35 kW (Hs)
(Combi heating)| 6.85 kW (Hs)
Water connection pressure| max. 2.8 bar (280 kPa)
Water heater
(water volume at 2.8 bar/280  kPa):| 10I
Water system pressure| max. 4.5 bar (450 kPa)
Heating-up time| approx. 17 min (101, heated-up from 15 °C to 60 °C)
Operating temperature range| -20 °C to +60 °C
Dimensions LxWxH| 514 x 438 x 298 mm
Weight| 17.3 kg| 18.5 kg| 17.3 kg| 18.5 kg
Frequency band (WiFi)| 2.4 GHz
RF output power| WiFi: 19.14 dBm (802.11b)
19.22 dBm (802.11g),
18.96 dBm (802.11n20),
19.12 dBm (802.11n40),
Bluetooth: 7.93 dBm,
Bluetooth LE: 5.93 dBm
Inspection/certification|

The radio equipment of TwinBoost4000, TwinBoost6000,
TwinBoost6000H and TwinBoost8000H complies with the requirements of the directive 2014/53/EU. You can find the Declaration of Conformity of the device on documents.dometic.com.

References

• Dometic | Dometic Australia
• Contact Us | Support for You | Dometic USA
• Find a Dealer | Dometic USA
• Service locator | Dometic USA
• Home

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