Dometic RUC6408X Series Refrigeration RUC Instruction Manual

Dometic RUC6408X Series Refrigeration RUC

Specifications

• Model: RUC6408X, RUC8408X
• Type: Compressor refrigerator

Product Information

The REFRIGERATION RUC SERIES (RUC6408X, RUC8408X) is a compressor refrigerator suitable for installation in a fitted cavity. It is important to note that once the refrigerator is installed, only the front of the appliance may be accessible.

All materials used in the refrigerator are compatible for use with foodstuffs, and the refrigerant circuit is hermetically sealed
and CFC-free.

Product Usage Instructions

Safety Instructions

Before installing and using the refrigerator, please read and follow the safety instructions provided in the user manual.

Scope of Delivery

The following items are included in the scope of delivery:

• 1 x Refrigerator
• 1 x Drain hose
• 1 x Bottom trim piece
• 1 x Installation and Operating Manual

Accessories

The LS300 ventilation grille (W x H: 490 x 249 mm, open ventilation area 667 cm2) is available as an accessory, but it is not included in the scope of delivery. Accessories can be purchased from specialist dealers or by contacting the dealer or service partner directly.

Intended Use

Please ensure that the cooling capacity of the refrigerator is suitable for storing the food you wish to cool. The refrigerator is only suitable for installation in a fitted cavity.

Control and Display

The refrigerator has a display and a control knob located between the refrigerator and freezer doors.

Installing the Refrigerator

Before installing the refrigerator, follow the steps below:

1. Ensure that the installation area is prepared according to the dimensions provided in the manual.
2. Make sure that the refrigerator is easy to de-install and install, and can be easily removed from the vehicle.

FAQs

• Q: Where can I purchase accessories for the refrigerator?
  • A: Accessories can be purchased from specialist dealers or by contacting the dealer or service partner directly.
• Q: Can I install the refrigerator in any cavity?
  • A: The refrigerator is only suitable for installation in a fitted cavity. Please refer to the installation instructions for more details.

REFRIGERATION RUC SERIES
RUC6408X, RUC8408X EN Compressor refrigerator
Installation and Operating Manual

Explanation of symbols

1 Explanation of symbols

RUC6408X, RUC8408X

D DANGER! Safety instruction: Failure to observe this instruction will cause fatal or serious injury.
! WARNING! Safety instruction: Failure to observe this instruction can cause fatal or serious injury.
! CAUTION! Safety instruction: Failure to observe this instruction can lead to injury.
A NOTICE! Failure to observe this instruction can cause material damage and impair the function of the product.
I NOTE Supplementary information for operating the product.

Safety instructions

The manufacturer accepts no liability for damage in the following cases: · Faulty assembly or connection · Damage to the product resulting from mechanical influences and incorrect
connection voltage · Alterations to the product without express permission from the manufacturer · Use for purposes other than those described in the operating manual
2.1 General safety
D DANGER! · On boats: If the device is powered by the mains, ensure that the power supply has a residual current circuit breaker.

RUC6408X, RUC8408X

Safety instructions

! WARNING! · Have a qualified technician perform the installation in wet rooms.
· Do not operate the device if it is visibly damaged.
· If this device’s power cable is damaged, it must be replaced by the manufacturer, customer service or a similarly qualified person in order to prevent safety hazards.
· This device may only be repaired by qualified personnel. Inadequate repairs may cause serious hazards.
· This device can be used by children aged 8 years or over, as well as by persons with diminished physical, sensory or mental capacities or a lack of experience and knowledge, providing they are supervised, or have been taught how to use the device safely and are aware of the resulting risks.
· Cleaning and user maintenance must not be carried out by children without supervision.
· Children must be supervised to ensure that they do not play with the device.
· Always keep and use the device out of the reach of children under 8 years of age.
· Do not store any explosive substances, such as spray cans with propellants, in the device.
! CAUTION! · Danger of crushing! Do not put your fingers into the hinge.
· Foodstuff may only be stored in its original packaging or in suitable containers.
A NOTICE! · Check that the voltage specification on the type plate is the same as that of the power supply.
· Never pull the plug out of the socket by the connection cable.
· The refrigerator is not suitable for storing substances which are caustic or contain solvents.
· Keep the drainage outlet clean at all times.
· Do not open the refrigerant circuit under any circumstances.
· Never transport the device in a horizontal position, so that lubricating oil does not drain from the compressor into the pipes.

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Safety instructions

RUC6408X, RUC8408X

• Make sure that the refrigerator circuit is not damaged during transportation. The refrigerant in the refrigerator circuit has a low potential to become flammable. In the event of any damage to the refrigerator circuit: ­ Avoid naked flames and sparks. ­ Air the room well.
  · Set up the device in a dry location where it is protected against splashing water.

2.2 Operating the device safely
D DANGER! · Do not touch exposed cables with your bare hands. This applies especially when operating the device from the AC mains.
! CAUTION! · Before starting the device, ensure that the power supply line and the plug are dry. · If you connect the device to a battery, make sure that no food comes into contact with the battery acid.
A NOTICE! · Do not use electrical devices inside the cooling device unless they are recommended by the manufacturer for that purpose. · Do not place it near naked flames or other heat sources (heaters, direct sunlight, gas ovens etc.) · Danger of overheating! Always ensure sufficient ventilation so that the heat generated during operation can dissipate. Make sure that the device is sufficiently far away from walls and other objects so that the air can circulate. · Ensure that the ventilation vents are not covered. · Do not fill the device with ice or fluid. · Never immerse the appliance in water. · Protect the appliance and the cable against heat and moisture. · Make sure that foodstuffs do not touch the walls of the cooling area.

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Scope of delivery

Quantity 1 1 1 1

Description Refrigerator Drain hose Bottom trim piece Installation and Operating Manual

Scope of delivery

Accessories

Available as accessories (not included in the scope of delivery): Description LS300 ventilation grille (W x H: 490 x 249 mm, open ventilation area 667 cm2)
Accessories are available from specialist dealers. If you have any questions, please contact the dealer or your service partner directly.

Intended use

The refrigerator is suitable for refrigerating foodstuffs and storing frozen foodstuffs. The device is suitable for installation into caravans, motorhomes or boats. The device is designed to be operated from a 12 V DC or 24 V DC on- board supply as well as from a 100 ­ 240 V AC mains.
! CAUTION! Health hazard! Please check if the cooling capacity of the refrigerator is suitable for storing the food you wish to cool.
The refrigerator is only suitable for installation in a fitted cavity. Once it is installed, only the front of the appliance may be accessible.

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Technical description

Technical description

RUC6408X, RUC8408X

6.1 Description
The device can refrigerate goods to +8 °C to 0 °C and keep them cool. Products can be frozen to ­10 °C to ­20 °C in the freezer compartment. You can use the control display to set the desired temperature.
The refrigerator is suitable for use with 12 V or 24 V DC voltage and can therefore be used e.g. for mobile homes, caravans or on boats. It can also be connected to a 100 ­ 240 V mains supply.
The refrigerator can withstand a short term inclination of 30°, for example on boats.
All materials used in the refrigerator are compatible for use with foodstuffs. The refrigerant circuit is hermetically sealed and CFC-free.

6.2 Components

1

13

1

12

2

11

10

3

9 4
8

7

5

6

8

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Technical description

No. in fig. 3
1 2 3 4 5 6 7 8 9 10 11 12 13

Description
Freezer compartment door Freezer door rack Refrigerator door Top door bin Bottom door bin with bottle holder Fruit and vegetable section Refrigerator shelf Refrigerator compartment Air duct cover plate Internal light Control and display elements Freezer shelf Freezer compartment

Quantity RUC6408X RUC8408X

1

1

2

2

3

4

1

1

6.3 Control and display
2

The refrigerator has a display and a control knob between the refrigerator and freezer doors (fig. 2).
Function of the control knob (fig. 2): · Rotate: Choose menu item. The selected menu item is highlighted. · Short press: Confirm · Press for 2 to 4 seconds: Acknowledge fault (chapter “Troubleshooting” on
page 47)

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Installing the refrigerator

RUC6408X, RUC8408X

Installing the refrigerator

7.1 Preparing the installation
When installing the refrigerator, note the following: · Ensure that the floor is solid and level. · Ensure that the refrigerator is level. · The refrigerator must be installed so that it is easily accessible for service work,
easy to de-install and install and can be easily removed from the vehicle.
3

C

W

H

A

D

B

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Installing the refrigerator

• The refrigerator must be installed in a recess so that it stands secure when the vehicle is in motion. Note the following dimensions (fig. 3):

Refrigerator

Overall dimension in mm

Height (A) Width (B) Depth (C) (excludes control knob 5mm)

RUC 6408X 1447 550 677

RUC 8408X 1657 550 677

Recess
Height (H) Width (W) Depth (D)

Dimension in mm

RUC 6408X

RUC 8408X

1437 ­ 1442 530 ­ 535 min. 611

1647 ­1652 530 ­ 535 min. 611

Installation with two rear vents
· The air inlet and outlet vents must not be covered by vehicle parts (such as an open door or by installing accessories such as bicycle racks) while operating.
· Install the refrigerator so that it is protected from excessive heat, as this leads to poor performance and increases the power consumption of the refrigerator.
· The electrical installation must comply with national and local regulations.

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Installing the refrigerator 4
4
2b

RUC6408X, RUC8408X

3

2a 1

Pos. in fig. 4, page 12
1
2
3
4

Description
Maximum height to 250 mm below the compressor shelf LS300 vent Minimum height is equal to the height of the compressor shelf Air deflection plate

• The outer wall must be fitted with one air inlet ventilation grille (fig. 4 2a, page 12) and one outlet ventilation grille (fig. 4 2b, page 12) so that the heat generated can be easily released to the outside: ­ Lower air inlet vent LS300 can be installed from flush to the vehicle floor up to a maximum height (top of vent) of 250 mm below the compressor shelf. ­ Upper air outlet vent LS300 must be installed with the bottom of the vent no lower than the compressor shelf. Higher than the compressor shelf is allowed, but for optimum service access as close as possible to the compressor shelf height is recommended.

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Installing the refrigerator

• Fit an air deflection plate (fig. 4 4, page 12) above the compressor so that the heat does not accumulate in the vehicle.

Installation with one lower rear vent and one roof vent
I NOTE This installation method is satisfactory for refrigerator performance, but not the preferred method due to lack of service access to the compressor shelf area.

5

3

100 mm 2
1

Pos. in fig. 5, page 13
1
2
3

Description
Maximum height is equal to 100 mm below the compressor shelf LS300 vent Roof vent

Installing the refrigerator

RUC6408X, RUC8408X

• A roof vent may be installed instead of the air outlet vent. ­ The roof vent should be installed directly above the back of the refrigerator as far as this is possible. Use an air duct if you need to install the roof vent (fig. 5 3) offset, otherwise heat will accumulate there.

7.2 Installing the refrigerator in a sealed location separate to the living space
It is recommended to install the refrigerator in a sealed location in order to prevent dust and heat from entering the living space of the caravan or motorhome.
A suitable seal must be provided and fitted to the bottom surface of the refrigerator. The purpose is to provide a seal between the interior of the vehicle and the cooling unit and ventilation area behind the refrigerator.
! WARNING! Fire hazard! Do not use flammable materials such as silicone sealants, foam or similar for the draught-proof installation.
The manufacturer has applied a sealing strip to the rear surface of the front frame.
6

1. Apply a sealing strip to all four sides of the bottom surface of the refrigerator (1. in fig. 6).
   Push the refrigerator into position (2. in fig. 6). This then seals the space behind the refrigerator to the interior of the vehicle.

RUC6408X, RUC8408X

Installing the refrigerator

OPTIONAL:
If the refrigerator stands on a platform, install the bottom trim piece in order to seal the space between the refrigerator and the platform.

7

1
­ Apply a sealing strip (fig. 7 1) to the lower surface of the bottom trim piece. 8
1 2

­ Push the bottom trim piece with the four plugs (fig. 8 1) into the holes on the front frame of the refrigerator.
­ Snap the three catches (fig. 8 2) into the holes under the bottom frame of the refrigerator.

Installing the refrigerator

RUC6408X, RUC8408X

7.3 Installing the drain water hose

To avoid damage to the drain water hose, position the hole for the drain water hose in a way that the hose does not kink.
Drill a hole through the vehicle floor at the rear of the refrigerator.
Install the drain water hose through the drilled hole. Ensure that the drain water hose is long enough in order to drain the water outside of the vehicle.
DO NOT shorten the drain hose. The excess length will enable partial extraction of the refrigerator if required for service access.
Ensure that the drain water hose is not kinked.
Seal the area around the drain water hose.

7.4 Installing the ventilation grille

0

3

2 1

No. in fig. 0
1 2 3

Description
Slider Ventilation grille Installation frame

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Installing the refrigerator

Make a cut out in the wall to fit an appropriate upper and lower vent system, choose LS300 check the dimensions required for the vent. See chapter “Preparing the installation” on page 10.

a

b

Ensure the installation frame is water resistant (fig. a). Insert the installation frame and screw it down tightly (fig. b). Use all the fixing
holes for this. c
2. 3.

1. Fit the ventilation grille (1. and 2. in fig. c). Insert the slider and lock the ventilation grille with it (3. in fig. c).

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Installing the refrigerator
7.5 Install the roof vent

d

e

1

RUC6408X, RUC8408X

2

No. in fig. d
1
2

Description
Hood Installation frame

Cut out a section in the roof. Refer to the roof vent instruction manual for the required dimensions. When doing so, observe the information, see chapter “Preparing the installation” on page 10.
Ensure the installation frame is water resistant (fig. e).

RUC6408X, RUC8408X f

Installing the refrigerator g

Insert the installation frame and screw it down tightly (fig. f). Use all the fixing holes for this.
Insert the hood and screw it down tightly (fig. g).

Installing the refrigerator

RUC6408X, RUC8408X

7.6 Securing the refrigerator

! CAUTION! Only screw through the bushes built into the refrigerator, otherwise foamed components, including electrical wiring, can be damaged.

I NOTE Ensure that the screws are tight, even when under increased loads (while driving).

Push the refrigerator firmly into its final location with the front flange sitting hard against the recess front.
h

21

Push the six screws (fig. h 1) through the six plastic bushes in the sides of the refrigerator, and fasten into the recess walls.
Fit the caps (fig. h 2) into the bushes.

RUC6408X, RUC8408X

Connecting the refrigerator

8 Connecting the refrigerator

8.1 Connecting the refrigerator to 12 ­ 24 V
A NOTICE! · To avoid voltage drops and loss of performance, keep the connection cable as short as possible and uninterrupted. Therefore avoid additional switches, plugs or power strips.

The refrigerator can be operated with a 12 V or 24 V DC voltage supply.
For safety reasons, the refrigerator is equipped with an electronic system to prevent the polarity being reversed. This protects the refrigerator against reversed polarity when connecting to a battery and against short circuiting.
To protect the battery, the refrigerator switches off automatically if the voltage is insufficient (see table below).

12 V

24 V

Cut-off voltage

10.4 V

22.8 V

Cut-in voltage

11.7 V

24.2 V

i Ø/mm²

12 V

24 V

14

10

6

2

0

l/m

0 2 4 6 8 10 12 14 16 18 20 22 24 26 28

Determine the required cross section of the cable in relation to the cable length according to the figure above.

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Connecting the refrigerator Key to the figure Coordinate axis l

Meaning Cable length Cable cross section

RUC6408X, RUC8408X
Unit m mm²

A NOTICE! Make sure the polarity is correct.
Before starting up the device for the first time, check whether the operating voltage and the battery voltage match (see type plate).
j

1
–

Connect the cable to the refrigerator DC terminal block (1).
Connect the refrigerator ­ as directly as possible to the poles of the battery ­ with fuse protection fitted to the positive (+) side of the supply cable of 15 A (at 12 V) or 7.5 A (at 24 V).

RUC6408X, RUC8408X

Using the refrigerator

8.2 Connecting the refrigerator to AC mains

D DANGER! Danger of fatal injury! · Never handle plugs and switches with wet hands or if you are standing on a wet surface. · If you are operating your refrigerator on a boat with an AC mains connection using a shore connection, you must install a residual current circuit breaker between the AC mains and the refrigerator. Seek advice from a trained technician.

Proceed as follows when you connect the refrigerator to the AC mains: Plug the connector into the AC socket.

9 Using the refrigerator
A NOTICE! · Make sure that you only put items in the refrigerator which may be kept at the selected temperature. · Make sure that items in the refrigerator do not block the openings of the cooling ventilation areas in the main compartment · Foodstuff may only be stored in its original packaging or in suitable containers.

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Using the refrigerator

RUC6408X, RUC8408X

I NOTE · Before starting your new refrigerator for the first time, you should clean it inside and outside with a damp cloth for hygienic reasons. · The cooling performance can be affected by: ­ the ambient temperature (e.g. when the vehicle is exposed to direct sunlight) ­ the amount of food to be conserved ­ how often you open the door · When using the refrigerator for the first time, there may be a mild odour which will disappear after a few hours. Air the living space well. · Park the vehicle so that it is level, especially when starting up and filling the refrigerator before setting off on a journey. · Battery management systems switch off the power supply to the refrigerator as soon as the vehicle engine is switched off for longer than 30 minutes. The refrigerator requires a constant DC power supply to operate. If your vehicle has a battery management system, deactivate it.

9.1 Tips for using the refrigerator optimally
When the temperature in the interior of the refrigerator exceeds +4 °C, the shelf life of goods that spoil quickly cannot be guaranteed. To attain an optimal cooling capacity in the interior of the refrigerator, observe the following information:
· Protect the interior of the vehicle from warming up excessively (e.g. sunshades in the windows, air conditioner).
· Protect the refrigerator from direct sunlight (e.g. sunshades in the windows).
· Voltage fluctuations can have a negative effective on the cooling capacity. Check the cooling performance of refrigerator regularly ­ when using DC current during the journey ­ when using AC current at the site of use

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Using the refrigerator

9.2 Energy saving tips

• Choose a well ventilated location which is protected from direct sunlight. · Allow warm food to cool down first before keeping it cool in the refrigerator. · Do not open the refrigerator more often than necessary. · Do not leave the doors open for longer than necessary. · Defrost your refrigerator as soon as a layer of ice forms in the freezer
  compartment. · Avoid unnecessarily low temperature settings. · Arrange the food in the refrigerator so that air can circulate inside. · Leave a distance of at least 10 mm between the contents and ventilation
  openings on the vent cover.

9.3 Switching on the refrigerator
Press and hold the control knob for more than 3 seconds. The refrigerator starts with the last selected settings.

Using the refrigerator
9.4 Menu overview and navigation
k

RUC6408X, RUC8408X

CI
Eco

Turn/press the control knob on preferred setting and user mode option. The colour turns blue when selected. Press again to deselect.

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9.5 Display
By default the display shows the following main menu: l

Using the refrigerator 1

2

No. in fig. l
1
2
3

6

5 43

Description
The temperature bars show the set temperature: Lowest bar: lowest cooling function (warmest inner temperature) Highest bar: highest cooling function (coldest inner temperature) Blue snowflake: compressor is on. White snowflake: compressor is off.
Displays the currently used energy source. If the refrigerator is connected to AC and DC power supply at the same time, the AC power supply is preferred.

Beep off: No sound indication for extended door openings or error conditions.
Beep on: Sound indication for extended door openings or cooling function error conditions.

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Using the refrigerator

RUC6408X, RUC8408X

No. in fig. l
4
5 6

Description
The child lock is selectable by user to prevent accidental adjustments or children from using the controls. The lock activates approx. 10 seconds after the last control knob touch and the display dims. Temporary override: Push the control knob 3 times within 1.5 seconds to unlock the controls temporarily. After 10 seconds without touching the control knob, the child lock is reactivated. Permanent deactivation: First temporarily override, then turn the child lock off in the settings menu.
1 These symbols show the speed level of the outer fan: 1 = low speed 2 = high speed
2
These symbols show the active user mode of the refrigerator:
Performance mode (factory default mode): Uses all functionalities of the refrigerator automatically for optimised performance. The temperature can be set to levels 1-5.
Silent mode: The outer fan operates at low speed and the compressor speed is limited. The temperature setting is limited to levels 1-3. Note: In high ambient conditions the silent mode cooling performance may not suit some users.
Eco mode: The temperature setting is fixed at level 3 and defrost function is disabled.

RUC6408X, RUC8408X

Using the refrigerator

No. in fig. l
6

Description
Turbo mode: The coldest setting (level 5) is activated. The outer fan and compressor operate at high speed and the defrost function is disabled. Turbo mode is active for 12 hours or until the refrigerator reaches a temperature of ­2 °C. After that, the control switches to performance mode automatically. After switching to performance mode, the temperature setting remains at level 5. At this point the temperature can be set to levels 1-5 to suit ongoing requirement.

I NOTE – inner fan · All cooling modes: the inner fan switches off when the refrigerator door is opened. · Performance/Silent/Turbo modes: the inner fan cycles on/off with the compressor. · Eco mode: the inner fan remains on during compressor off cycles.

9.6 Settings screen (fig. m)

m
CI

Symbol
CI

Description Child lock Beep off CI-Bus: Not applicable on this model

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Using the refrigerator

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9.7 User modes
The following table shows the user modes and their settings:

User mode

Symbol

Compres- Outer sor speed fan

Performance

Auto

Auto

Defrost Auto

Temperature setting
Levels 1 ­ 5

Duration ongoing

Silent

Limited Low

Auto

Levels 1 ­ 3

ongoing

Eco

Auto

Auto Off

Level 3

ongoing

Turbo

High

High Off

Coldest level (5) max. 12 hours

9.8 Display dimming functions (fig. n)

n

A

B

C

04

1

1

If there is no operation on control knob within 10 seconds, the backlight will be dimmed and the display will return to idle screen (A). After another 3 minutes without operation, the screen will enter standby (C) on which a snowflake appears in the top left corner to indicate that the refrigerator is on.
If there is an active error indication, the backlight and screen will not turn off. The display enters error screen (B). In the error screen, the middle section is highlighted in red and shows the relevant error code (see chapter “Troubleshooting” on page 47).

RUC6408X, RUC8408X

Using the refrigerator

9.9 Opening the refrigerator door/freezer compartment door

o

! CAUTION! · Always close and lock the refrigerator before starting the journey. · Open the refrigerator doors carefully, because goods may have shifted and could fall out.
Press the handle and pull the door out.

Using the refrigerator

RUC6408X, RUC8408X

9.10 Locking the refrigerator door/freezer compartment door

Ensure the locking catch is in the normal use position and not in the airing function position (fig. q, page 34).
Press the door shut until you hear it clearly click.
The door is now closed and locked for travelling.

9.11 Notes on storing food
! CAUTION! Only store heavy objects such as bottles or cans in the refrigerator door, in the vegetable compartment or on the bottom shelf.
The refrigerator compartments are recommended for the following types of food:

RUC6408X, RUC8408X

Using the refrigerator

No. in fig. p
1 2 3 4 5 6 7

Food
Frozen food Dairy products, ready-made meals Meat, fish, items for defrosting Salad, vegetables, fruit Eggs, butter Dressing, ketchup, jam Drinks in bottles or cartons

Please observe the following instructions for storing items:
I NOTE · Do not keep carbonated drinks in the freezer compartment. · The freezer compartment is suitable for making ice cubes and for keeping frozen food short-term. It is not suitable for long-term food storage. · Pack raw and cooked items separately. · Observe the expiry date on the packaging. · Do not leave refrigerated items outside the refrigerator for too long. · Clean the inside of the refrigerator at regular intervals.

Using the refrigerator

RUC6408X, RUC8408X

9.12 Switching off the refrigerator

Press and hold the control knob for more than 3 seconds.
The display goes blank and the refrigerator is switched off completely.
If you do not intend using the refrigerator for an extended period of time, disconnect the DC power supply.

9.13 Using the Door Airing Function
I NOTE Use the door airing function if you do not intend to use the refrigerator for a prolonged period of time. This prevents mould from forming when the refrigerator is not in use or put into storage.

q

180°
3.

Rotate the locking catch 180° to latch the doors slightly opened (fig. q).

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Using the refrigerator

9.14 Removing and refitting the shelves

Removing the shelves

r

3. 2. 1.
   Push the shelf locks off the left end of the wire shelf (1.). Slide the shelf to the left until it is clear on the right side (2.). Tilt the right end of the shelf up (3.). Remove the shelf by pulling it forward.

Using the refrigerator Refitting the shelves s

RUC6408X, RUC8408X

3. 2. 1. Position the shelf in the desired location. Insert the ends of the shelf on the left (1.). Slide the shelf into the holes on the right (2.). Slide the plastic plugs into the holes in the wall (3.).

RUC6408X, RUC8408X t

Using the refrigerator

Snap the shelf locks onto the shelf. Positioning the bottle shelf
I NOTE The two bottom shelf positions can be fitted into an optional bottle shelf configuration which slopes down toward the rear.
u 2.

1. 180°

Remove the shelf and rotate 180 degrees (1.). Relocate the rear of the shelf to the bottle shelf position (2.).

Using the refrigerator

RUC6408X, RUC8408X

9.15 Defrosting the refrigerator manually

A NOTICE! Never use mechanical tools to remove ice or to loosen objects stuck to the device.

I NOTE · The refrigerator compartment has an automatic cyclic defrost system, which prevents excessive frost forming on the evaporator fins. However, if the refrigerator is used for extended periods in high humidity and/or high ambient temperature conditions, frost may build up on the evaporator fins behind the internal fan cover, which can reduce the cooling performance. In this case a manual defrost is recommended. · The freezer compartment will require periodic manual defrosting, recommended if the frost layer is higher than 3 mm.

Disconnect the power supply.
Empty the contents.
Put a cloth in the freezer compartment and the refrigerator to absorb any excess water.
Leave the doors open.
The condensate drains off through a hose at the back of the refrigerator and is routed outside the vehicle.
Wipe both compartments dry with a cloth.

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9.16 Replacing the door panel

Removing the door panel

v

Using the refrigerator

Proceed as follows (fig. v): Open the door 90 degrees. Remove the door top decoration strip by gently pushing upward by hand (1.). Pull the old panel upward (2.).

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Using the refrigerator Installing the new door panel w
2.

RUC6408X, RUC8408X 1.

Proceed as follows (fig. w):
Push the new panel downwards into the door. Ensure, that the vertical edges fit into the grooves of the door frame (1.).
Push the new panel downwards until the lower horizontal edge of the panel fits into the bottom groove.
Snap in the decoration strip (2.).

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9.17 Reversing the doors
x
90°

Using the refrigerator
1 2.

Open the freezer door more than 90 degrees. Remove the three screws (fig. x 1) from the upper hinge.

Pull the upper hinge upwards out of the bushing and away from the freezer door.

y

Remove the freezer door by lifting it up until it clears the centre hinge pin (1. in fig. y).
I NOTE Carefully lift up the freezer door to prevent damaging the door bushing.
Place the freezer door on soft material in order to prevent scratches. Support the refrigerator door so that it does not fall off. Pull out the centre hinge pin (2. in fig. y).

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Using the refrigerator z

RUC6408X, RUC8408X 1.

Remove the refrigerator door by lifting it up until it clears the lower pin (1. in fig. z).
I NOTE Carefully lift up the refrigerator door to prevent damaging the door bushing.
Place the refrigerator door on soft material in order to prevent scratches. Remove the three screws from the lower hinge (2. in fig. z).

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RUC6408X, RUC8408X A
1

Using the refrigerator

2
Rotate the locking catches on the latch side by 180 degrees to expose the fixing screws.
Remove the locking catch screws (fig. A 1). Take off the locking catches (fig. A 1). Remove the covers on the hinge side with a small screwdriver (fig. A 2). Remove the screws under the covers on the hinge side. B
2. 1.

Secure the screws underneath the covers before the covers are installed (fig. B 3).
Exchange the locking catches and the covers and install each of them on the opposite side.

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Using the refrigerator C

RUC6408X, RUC8408X
3. 1

Remove the two screws (1. in fig. C) of the handle components on both doors. Push the spring bolt (2. in fig. C) inwards with a small screwdriver, until the
handle components (fig. C 1) are released. Remove the handle components (3. in fig. C).
Remove the handle blanks from the opposite side of the doors.
Relocate both door hinge bushes to the opposite side.
Exchange the handle components and handle blanks and install each of them on the opposite side.
The original freezer and refrigerator door handle components swap to the opposite door due to the spring bolt function.

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RUC6408X, RUC8408X D

Using the refrigerator 2.

Remove the covers from the upper and lower hinge points (1. in fig. D). Install the covers on the opposite side (2. in fig. D).

Turn the former upper hinge 180 degrees and mount it to the new lower hinge position with the three screws.

Position the refrigerator door on the hinge pin of the newly mounted lower hinge.

E

Put the middle pin in place (1. in fig. E).
Fix the top of the refrigerator door by pushing the middle pin into the refrigerator door top bush.
The refrigerator door is fixed now.

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Using the refrigerator

RUC6408X, RUC8408X

Position the freezer door on the middle pin (2. in fig. E, page 45).

F 2.

Turn the former lower hinge 180 degrees and hold it in the new upper hinge position. Take care that the hinge pin fits into the upper bushing of the freezer door (1. and 2. in fig. F).
Fix the hinge with the three screws (3. in fig. F). To do so, open the freezer door by at least 90 degrees.
The freezer door is fixed now.

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RUC6408X, RUC8408X

Cleaning and maintenance

10 Cleaning and maintenance

! WARNING! Always disconnect the refrigerator from the mains before you clean and service it.

A NOTICE! · Do not use abrasive cleaning agents or hard objects during cleaning as these can damage the refrigerator. · Never use hard or sharp tools to remove ice or to free objects frozen onto the device. · Do not use any mechanical tools or any other tools to speed up the defrosting process.

Clean the refrigerator regularly and as soon as it becomes dirty with a damp cloth.
Make sure that no water drips into the controls. This can damage the electronics.
Wipe the refrigerator dry with a cloth after cleaning.
Check the condensate drain regularly. Clean the condensate drain when necessary. If it is blocked the condensate collects on the bottom of the refrigerator.

Troubleshooting

Faults and beeps
I NOTE · The beep signal can be muted once by pressing the control knob shortly or muted permanently by selecting the mute icon in the setting menu. · If the refrigerator door is open for more than 2 minutes the beep signal will sound in combination with a flashing warning code. This signal turns off after the door is closed.
Faults are indicated on the display by highlighting the middle section with a red banner and a code. The faults that terminate the complete cooling function are displayed on the screen in combination with a beep.

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Troubleshooting

RUC6408X, RUC8408X

In case of multiple faults, the error code will be rolling.
The beep will last for 2 minutes and repeat every 30 minutes until the fault is restored. Error type faults must be manually reset by pressing and holding the control knob between 2 s and 4 s. Warning type faults reset automatically once the condition passes.

Code Fault
01 Defrost NTC sensor error

Type Warning

02 Refrigerator air Warning NTC sensor error

03 Communication Error error

04 CI bus error

Warning

10 Open fridge

Warning

door > 2 minutes

11 DC voltage low Warning (< 7.5 V) or high (> 31.5 V)

14 Inner fan faulty Warning

17 Defrost heater, Warning low current (< 1 A)

18 Defrost heater, Error high current (> 3 A)

19 DC input voltage low

Warning

26 Ambient thermo- Warning stat sensor error

32 Outer fan over- Error current

33 Compressor not Error started

Icon

Beep

No flashing No

No flashing No

Influence on cooling
Yes, refrigerator section after some time
No

No flashing Yes

No

No flashing No

No

Flashing

Yes

No

No flashing Yes

Yes

No flashing No No flashing No

Yes, refrigerator section only
No

No flashing No
No flashing Yes No flashing No No flashing Yes No flashing Yes

No, but the power of the heater is stopped. Yes
No
Yes
Yes

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RUC6408X, RUC8408X

Troubleshooting

Code Fault

Type

Icon

Beep

34 Compressor

Error

overloaded

35 Thermal cut-out Error of controller unit

No flashing Yes No flashing Yes

Compressor does not run (battery connection)

Influence on cooling Yes
Yes

Fault

Possible cause

Remedy

Device does not function, display does not glow
UTerm = 0 V

The connection between the battery Establish a connection. and electronics unit has been interrupted.

Main switch faulty (if installed)

Replace the main switch.

Additional supply line fuse has blown Replace the supply line

(if installed).

fuse.

Internal fuse has blown.

Replace the internal fuse.

UTerm UON
The device does not cool (power is present, display is lit)

Battery voltage is too low. Defective component

Charge the battery.
This can only be repaired by an authorised repair centre.

The device does not cool, power is present, error indicator appears
Start attempt with UTerm UOFF

Loose cables Poor contact (corrosion)

Establish a connection.

Battery capacity too low

Replace the battery.

Cable cross section too small or cable Replace the cable

too long

according to chapter

“Connecting the refriger-

ator to 12 ­ 24 V” on

page 21.

The device has switched off due to an This can only be repaired

internal fault.

by an authorised repair

centre.

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Troubleshooting

RUC6408X, RUC8408X

Fault

Possible cause

Remedy

Start attempt with UTerm UON

Ambient temperature too high Insufficient ventilation

­
Clean existing ventilation or install sufficient ventilation.

Condenser is dirty

Clean the condenser.

Fan defective

Replace the fan.

Electric circuit between Defective compressor the pins in the compressor interrupted

This can only be repaired by an authorised repair centre.

UTerm Voltage between the positive and negative terminals of the electronics UON Cut-in voltage of the electronics UOFF Cut-off voltage of the electronics

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RUC6408X, RUC8408X Compressor is not running (connected to AC supply)

Troubleshooting

Fault

Possible cause

Remedy

Device does not function, display does not glow

Connection supply line interrupted Establish a connection.

Main switch faulty (if installed)

Replace the main switch.

Additional supply line fuse has blown Replace the supply line

(if installed).

fuse.

The integrated mains adapter is defective.

This can only be repaired by an authorised repair centre

The device does not Defective component cool (power is present, display is lit)

This can only be repaired by an authorised repair centre.

Voltage is being applied, but the compressor does not operate

Ambient temperature too high Insufficient ventilation

­
Clean existing ventilation or install sufficient ventilation.

Condenser is dirty.

Clean the condenser.

Fan defective (if installed)

Replace the fan.

Electric circuit between Defective compressor the pins in the compressor interrupted

This can only be repaired by an authorised repair centre.

Interior temperature too low on warmest control setting

Fault
Compressor runs constantly

Possible cause Control sensor faulty

Compressor runs for a long time

Large quantities of unfrozen goods have been placed in the freezer compartment.

Remedy
This can only be repaired by an authorised repair centre.
Wait until goods are completely frozen.

Troubleshooting Poor cooling, increase in interior temperature

RUC6408X, RUC8408X

Fault

Possible cause

Remedy

Compressor runs for a Evaporator is iced over. long time/continuously Cooling area insulation is insufficient
(moist/wet).

Defrost the evaporator.
Adjust/replace the door seal.

Ambient temperature too high

­

Insufficient ventilation

Upgrade to satisfy requirements in installation guideline.

Condenser is dirty.

Clean the condenser.

Fan defective

Replace the fan.

Compressor does not Battery capacity exhausted run often

Charge the battery.

Water in or under the refrigerator

Fault

Possible cause

Remedy

Water is leaking into the The water drain system is clogged.

inside of the refrigerator.

Foodstuffs are preventing the water from flowing to the drain tube.

Clean the drain.
Make sure that foodstuffs do not touch the rear wall.

Water is leaking onto the floor.

The hose is split or not routed outside Check the drain hose at

the vehicle.

the rear of the device.

Unusual noises

Fault Loud humming

Possible cause

Remedy

A component of the refrigerant circuit Bend the component

cannot move freely (touching the carefully away from the

wall).

obstruction.

There is a foreign object stuck between the cooling unit and the wall.

Remove the foreign object.

Fan noise (normal)

RUC6408X, RUC8408X

Warranty

12 Warranty

The statutory warranty period applies. If the product is defective, please contact the manufacturer’s branch in your country (see the back of the instruction manual for the addresses) or your retailer.
For repair and guarantee processing, please have the following information on hand: · A copy of the receipt with purchasing date · A reason for the claim or description of the fault

13 Disposal
! WARNING! Children beware! Before disposing of your old refrigerator: · Dismantle the drawers. · Leave the shelves in the refrigerator so that children cannot climb inside.

A NOTICE! An insulating gas is used in the device (see type plate). Check with the relevant local government authority or your local waste disposal company about proper disposal and make sure that the device and all materials are disposed of professionally.

Place the packaging material in the appropriate recycling waste bins wherever possible.

M

Technical data

14 Technical data

RUC6408X, RUC8408X

Gross volume: Fridge storage volume: Freezer storage volume: Connection voltage:
Power rating (AC): Rated current 12 Vg: 24 Vg: 100 Vw: 240 Vw: Power consumption at ambient temperature of 32 °C, +3 °C refrigerator: Cooling temperature range Refrigerator compartment: Freezer compartment: Noise emission Climatic class: Short-term inclination: Refrigerant: Refrigerant quantity: Defrost Refrigerator: Freezer:

RUC 6408X

RUC 8408X

188 l

224 l

134 l

170 l

46 l

46 l

100 ­ 240 Vw, 50 ­ 60 Hz 12 Vg or 24 Vg

75 W

9.2 A 4.0 A 1.0 A 0.45 A
240 Vw: 0.95 kWh/24 h 12 Vg: 2.8 Ah/h

10.5 A 5.0 A 1.3 A 0.55 A
240 Vw: 1.02 kWh/24 h 12 Vg: 3.0 Ah/h

0 °C to +8°C

­20 °C to ­10 °C

35 dB

N or T(+16 °C to +43 °C)

30°

R134a

68 g

73 g

Cyclic Manual

RUC6408X, RUC8408X
Dimensions (in mm) W x H ­ without flange: ­ with flange: Depth (in mm) ­ overall (excludes control knob 5 mm): ­ from flange rear face:
Weight: Inspection/certification:

RUC 6408X
525 x 1434 550 x 1447
677 611 43 kg

Technical data RUC 8408X
525 x 1644 550 x 1657
677 611 46 kg

I NOTE The power consumption is measured at 32 °C ambient temperature with 3 °C average cooling temperature in the refrigerator compartment.
Contains fluorinated greenhouse gases Hermetically sealed equipment

References

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