6 4445103145
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 regula-
tions. 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
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Safety instructions
Please observe the prescribed safety instructions and stipula-
tions 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. Inade-
quate repairs may cause serious hazards. For repair ser-
vice, 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 concern-
ing use of the device in a safe way and understand the haz-
ards 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.
ANOTICE!
• 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, agricul-
tural machines, utility vehicles, marine craft, houses and apartments, hunt-
ing and forestry cabins, weekend homes, awning tents or similar
equipment.
The device may only be used to heat drinking water and to heat the inte-
rior 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 require-
ments 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 oper-
ating or maintenance will result in unsatisfactory performance and a possi-
ble failure.
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 prop-
erty damage.
NOTE
Supplementary information for operating the product.