Dometic CFX Series Operating Manual

Dometic CFX Series Operating Manual

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PORTABLE REFRIGERATION
CFX SERIES
CFX28, CFX35W, CFX40W, CFX50W, CFX65W, CFX65DZ
Compressor Fridge/Freezer
EN
Operating manual

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Neal Oster
July 14, 2025

Which part of the compartment is the freezer?

Alison Saunders
January 24, 2025

My Dometic CFX5 95DZ is freezing up when it’s not meant to - suspect broken thermostat

Summary of Contents for Dometic CFX Series

  • Page 1 PORTABLE REFRIGERATION CFX SERIES CFX28, CFX35W, CFX40W, CFX50W, CFX65W, CFX65DZ Compressor Fridge/Freezer Operating manual...
  • Page 3: Table Of Contents

    CFX28 – CFX65DZ Please read this operating manual carefully before starting the device. Keep it in a safe place for future reference. If the device is passed on to another person, this operating manual must be handed over to the user along with it.
  • Page 4: Explanation Of Symbols

    Explanation of symbols CFX28 – CFX65DZ Cleaning and maintenance ........26 Troubleshooting .
  • Page 5: Safety Instructions

    CFX28 – CFX65DZ Safety instructions Safety instructions General safety WARNING! • Do not operate the cooling device if it is visibly damaged. • If this cooling 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.
  • Page 6: Operating The Cooling Device Safely

    Safety instructions CFX28 – CFX65DZ • Never pull the plug out of the socket by the cable. • If the cooling device is connected to the DC outlet: Disconnect the cooling device and other power consuming devices from the battery before connecting a quick charging device.
  • Page 7: Scope Of Delivery

    CFX28 – CFX65DZ Scope of delivery Scope of delivery Item Quantity Description Cooler Connection cable for DC connection Connection cable for AC connection – Operating manual...
  • Page 8: Accessories

    CFX 50W 9108300006 CFX 65W/CFX 65DZ Visit the Dometic website (see back page) for information about a WiFi app with control-, display- and alarm functions (all except CFX28 and CFX65DZ). Note that the app may not be available in your country.
  • Page 9: Intended Use

    CFX28 – CFX65DZ Intended use Intended use The cooler is suitable for cooling and freezing foods. The cooler is designed to be operated from: • a DC on-board power supply of a vehicle, boat or caravan • a DC auxiliary battery •...
  • Page 10: Scope Of Functions

    Function description CFX28 – CFX65DZ Scope of functions • Power supply with priority circuit for connecting to the AC mains • Three-level battery monitor to protect the vehicle battery • Display with temperature gauge in °C and °F switches off automatically at low battery voltage •...
  • Page 11 CFX28 – CFX65DZ Function description Operating panel ° – Item Description Explanation Switches the cooler on or off when the button is pressed for between one and two seconds “P Status indication POWER ” LED lights up green: Compressor is on LED lights up orange: Compressor is off LED flashes orange:...
  • Page 12 Function description CFX28 – CFX65DZ Connection sockets 100-240V~AC 12/24V DC Item Description Connection socket AC voltage supply Fuse holder Connection socket DC voltage supply Emergency switch (when fitted) and USB port NORMAL EMERGENCY OVERRIDE Item Description Emergency switch (when fitted) USB port for power supply...
  • Page 13: Operation

    CFX28 – CFX65DZ Operation Operation Before initial use NOTE Before starting your new cooler for the first time, you should clean it inside and outside with a damp cloth for hygienic reasons (please also refer to the chapter “Cleaning and maintenance” on page 26). Reversing the lid opening direction (CFX50W, CFX65W, CFX65DZ) CFX50W, CFX65W, CFX65DZ The lid hinges can be moved to the opposite side if you want to open the lid from the...
  • Page 14: Energy Saving Tips

    Operation CFX28 – CFX65DZ Selecting the temperature units Temperature display units can be switched between Celsius and Fahrenheit as follows: ➤ Switch on the cooler. ➤ Press the “SET” button (fig. 3 4, page 11) twice. ➤ Use the “UP +” (fig. 3 7, page 11) or “DOWN –” (fig. 3 6, page 11) buttons to select Celsius or Fahrenheit.
  • Page 15 CFX28 – CFX65DZ Operation Using the fused DC plug NOTICE! Danger of damage! For protection of the device the DC cable supplied includes a fuse inside the plug. Do not remove the fused DC plug. Only use the DC cable supplied. ➤...
  • Page 16: Using The Battery Monitor

    Operation CFX28 – CFX65DZ Using the battery monitor The device is equipped with a multi-level battery monitor that protects your vehicle battery against excessive discharging when the device is connected to the on-board DC supply. If the cooler is operated when the vehicle ignition is switched off, the cooler switches off automatically as soon as the supply voltage falls below a set level.
  • Page 17: Using The Cooler

    CFX28 – CFX65DZ Operation Using the cooler NOTICE! Danger of overheating! Ensure at all times that there is sufficient ventilation so that the heat that generated during operation can dissipate. Ensure that the ventilation slots are not covered. Make sure that the device is sufficiently far away from walls and other objects so that the air can circulate.
  • Page 18 Operation CFX28 – CFX65DZ CFX50W, CFX65W CFX65DZ CAUTION! Health hazard! CFX65DZ: If the temperature in the freezer compartment (fig. 8 1, page 18) is very low (–22 °C), the temperature range in the cooling department (fig. 8 2, page 18) can be below freezing as well.
  • Page 19: Setting The Temperature

    CFX28 – CFX65DZ Operation NOTE Displayed temperature • CFX28, CFX35W, CFX40W, CFX50W, CFX65W: The temperature displayed is that of the large interior compartment (e.g. CFX50W, CFX65W: fig. 7 1, page 18). • CFX65DZ: – With fridge/freezer divider in: The temperature displayed is that of the freezer compartment (fig.
  • Page 20 The cooler can be controlled via WiFi using an app that you can install on a compatible device. The app has control, display and alarm functions. For further information go to the Dometic website for your country (see back page). Note that the app may not be available in your country.
  • Page 21: Set Brightness Of Display

    ✓ In both displays “rES” will blink several times before returning to the previous dis- play. ✓ The WiFi settings have been reset to factory settings. For additional information visit the Dometic website from which you downloaded the app. Set brightness of display The display brightness can be dimmed for low ambient light conditions.
  • Page 22: Using The Emergency Switch (Where Fitted)

    Operation CFX28 – CFX65DZ Using the emergency switch (where fitted) The emergency switch (fig. 5 1, page 12) is located below the control panel on all models except CFX28 where it is located above the power inlet sockets. For normal operation the switch is in the “NORMAL USE”...
  • Page 23: Switching Off The Cooler

    CFX28 – CFX65DZ Operation 7.11 Switching off the cooler ➤ Empty the cooler. ➤ Switch the cooler off. ➤ Pull out the connection cable. If you do not want to use the cooler for a longer period of time: ➤ Leave the cover slightly open. This prevents odour build-up. 7.12 Defrosting the cooler Humidity can form frost in the interior of the cooling device or on the evaporator.
  • Page 24: Replacing The Ac Fuse

    Operation CFX28 – CFX65DZ 7.13 Replacing the AC fuse DANGER! Danger of electrocution! Disconnect the power supply and the connection cable before you replace the device fuse. ➤ Disconnect the power supply to the device. ➤ Pull off the connection cable. ➤...
  • Page 25: Replacing The Light Pcb

    CFX28 – CFX65DZ Operation 7.15 Replacing the light PCB ➤ Disconnect the power supply to the device. ➤ Pry out the transparent cover with a screwdriver (1). ➤ Unscrew the PCB mounting screws (2). ➤ Pull out the plug from the PCB (3). ➤...
  • Page 26: Cleaning And Maintenance

    Cleaning and maintenance CFX28 – CFX65DZ Cleaning and maintenance WARNING! Always disconnect the device from the power supply before you clean and service it. NOTICE! Risk of damage • Never clean the cooler under running water or in dish water. •...
  • Page 27 CFX28 – CFX65DZ Troubleshooting Fault Possible cause Suggested remedy When operating from The DC outlet is dirty. If the plug of your cooler becomes very the DC outlet: This results in a poor warm in the DC outlet, either the DC electrical contact.
  • Page 28: Guarantee

    Guarantee CFX28 – CFX65DZ Guarantee 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 include the following documents when you send in the device: •...
  • Page 29: Technical Data

    CFX28 – CFX65DZ Technical data Technical data CFX28 CFX35W CFX40W Ref. no.: 9105306503 9105306495 9105306496 Connection voltage: 12/24 Vg and 100 – 240 Vw Rated current: 12 Vg: 6.5 A 12 Vg: 7.0 A 24 Vg: 3.2 A 24 Vg: 3.2 A 100 Vw: 0.75 A 100 Vw: 0.86 A 240 Vw: 0.32 A...
  • Page 30 Technical data CFX28 – CFX65DZ CFX50W CFX65W CFX65DZ Ref. no.: 9105306497 9105306498 9105306499 Connection voltage: 12/24 Vg and 100 – 240 Vw Rated current: 12 Vg: 7.8 A 12 Vg: 8.2 A 12 Vg: 5.5 A 24 Vg: 3.6 A 24 Vg: 3.8 A 24 Vg: 2.6 A 100 Vw: 0.95 A...
  • Page 31 CFX28 – CFX65DZ Technical data NOTE If the ambient temperature is above +32 °C (+90 °F), the minimum temperature cannot be attained. Test/certificates: The coolant circuit contains R134a. Contains fluorinated greenhouse gases Hermetically sealed equipment...
  • Page 32 YOUR LOCAL YOUR LOCAL YOUR LOCAL DEALER SUPPORT SALES OFFICE dometic.com/dealer dometic.com/contact 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 Hemvärnsgatan 15 SE-17154 Solna Sweden...

This manual is also suitable for:

Cfx35wCfx28Cfx40wCfx50wCfx65dzCfx65w

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