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Nova Kool Replacement BD50F Compressor Kit - 12v to 24v Volt - Including Compressor, Fan, Condensor Coils & Associated Lines and Connectors (LT211)

  • Nova Kool
    • Nova Kool Replacement BD50F Compressor Kit - 12v to 24v Volt - Including Compressor, Fan, Condensor Coils & Associated Lines and Connectors (LT211)

    Nova Kool Replacement BD50F Compressor Kit - 12v to 24v Volt - Including Compressor, Fan, Condensor Coils & Associated Lines and Connectors (LT211)

    BD50F Fridge Compressor Kit 12- 24 Volt - Does Not Include Cooling Plate
    • Online Price: $1,937.00 (including 10 % GST tax)


    - OR -

    Australia's Best Price on Replacement BD50F Compressor - Nova Kool- 12v to 24v Volt

    Including Compressor, Fan, Condensor Coils & Associated Lines and Connectors (LT211)

    Suitable for Boats-Caravans-Motorhomes and RV's

    We ship Australia wide - Ask us for a quote!

    overview

    Replacement BD50F Compressor & Condenser - Nova Kool  (LT211)

    Suits 12 to 24 Volt

    We ship Australia wide - Ask us for a quote!

    The LT211 is recommended for larger fridge freezer applications- it is a Danfoss BD50F compressor Suitable for DC 12 or 24 volts.

    The LT211 - Fan Cooled Compressor/Condenser unit measures  230mm  x 280mm  and 190mm in Height

    • Efficient and powerfull Danfoss BD50F compressor
    • Self sealing couplings (unit is pre-charged with refrigerant)
    • Efficient air cooled condenser, will provide years of simple reliable service in the tropics
    • Condenser is sized specifically to ensure capacity in the hottest of climates
    • Variable speed compressor (adjusted by changing the resistance in control circuit)
    • Backed with Nova*Kool's Easy 2 Year Warranty Program on all components
    • Environmentally sound 134a refrigerant
    • Compressor designed to run continuously on a 30 degree heel
    • Low battery protection to help prevent full discharge of batteries
    • Low amperage fan included
    • Voltage DC only: 12 & 24vdc standard, optional 10-45 vdc for special applications

    Nova Kool LT201 & LT211 Refrigeration Conversion Kits

    Nova Kool have been manufacturing refrigeration conversion kits for more than 30 years.

    The LT201/LT211 kits are designed to convert any insulated space into a fridge or freezer. They’re easy to install, efficient, reliable and economical. The most common use for these systems is converting existing ice-boxes or coolers into a fridge or freezer. When designing a new fridge or freezer, the user must first fabricate an insulated box with a tight fitting door or lid, or use an existing good quality cooler

    The compressor condenser unit can be installed next to, or up to 3.6 metres away from, the enclosure. The copper tubing and wiring is included and can be played out as needed to connect the compressor unit with the cooling evaporator plate in the cold-box.

    What’s in the kit?

    Nova Kool kits include everything you’ll need for installation of the kit in an insulated box with a lid or door that seals. You’ll need to provide wiring from your 12 or 24 volt DC power source. The compressor needs to be located within 3.6metres of the box in a well ventilated area with air allowed to enter low and escape above.

    • The cold plates are mounted inside the enclosure and the lines are then led to the compressor location. Finally, the quick connect fittings are tightened together and the system is then ready to start cooling.
    • An optional AC/DC auto-switching module is also available as an option and longer 5.5m (18 feet) line sets are available by special order.
    • The heart of the LT201 system is the Danfoss BD35F compressor controlled by a Danfoss DC electronic module and equipped with an efficient fan cooled condenser. The system is pre-charged with R134a refrigerant.
    • LT211 systems are equipped with the larger capacity BD50F compressor.
    • An AC/DC multi-voltage auto-switching module is also available as an option.
    • Re-useable quick connects ensure that no gas is lost during installation.
    • Thermostat - A Danfoss mechanical thermostat is included. These thermostat’s are very precise and reliable.
    • Kits also include resisters that allow you to manually adjust the compressor speed to your needs. The resisters go in the thermostat circuit. The control module senses the resistance in the circuit and this sets the compressor speed so you can match your systems capacity to the required load.
    • Nova Kool evaporator plates are equipped with re-useable quick connects and pre-charged with R134a refigerant. Standard line sets are 3.6m (12 feet) long.
    • Longer line sets of 5.5m (18 feet) are available by special order.
    • Compressor/Condenser
    • Mounting hardware and an installation and troubleshooting guide are also included.

    Cooling Plate options

    A large range of evaporator plates are available to suit your application. Choose a plate that matches your cooling requirements. A small well insulated fridge should have a small plate. A large or poorly insulated fridge will require a larger plate. Freezers require large evaporator plates to maintain stable temperatures so in general it’s best to choose the largest plate that you can fit in your freezer. Plates formed into a box or ‘U’ shape can be used to enclose a small freezer area inside a larger fridge space. The following pages will help you decide which system is best for your application and final pages will show you what is involved in a typical installation.

    Flat Plates in Single, Double and Triple configurations - Double and triple plates can be separated by up to 450mm

    • F1 Plate - 405mm x 255 mm - 1033 sq. cm area (Note: the copper line set adds 40mm to overall measurement where lines enter the plate.)
    • F2 Plate - The F2 evaporator plate is two F1 plates joined by flexible copper. The two plates can be separated by up to 450mm for a neat installation without bends. Suitable for all fridge applications up to 240 litres in size or all freezer applications up to 120 litres.
      Each plate is 405mm x 255 mm - 2067 sq. cm total plate area
    • F3 Plate - The F3 evaporator plate is made up of three F1 plates joined by flexible copper. The three flat plates are joined together with flexible copper so they can be separated by up to 450mm.
      Each plate is 405mm x 255 mm - 3100 sq. cm total plate area.

      F3 is suitable for large all fridge applications up to 350 litres in size or all freezer applications up to 180 litres. See sizing chart for details.

    RT6, RT4 & R26 Plates - These plates are used to enclose a small freezer area inside a fridge.

    • R26 Plate - “U” shaped with mounting holes. It encloses a freezer area of ~ 6 litres volume. 280 mm wide x 255 mm deep x 60mm high. Plate area is1033 sq. cm.
      Suitable for small fridge applications up to 120 litres with a 6 litre freezer area enclosed by the plate.
    • RT6 Plate - Composed of three flat evaporator plates and alloy sides with mounting brackets and door: 356 mm wide x 279 mm deep x 172 mm high. Total plate area is 2620 sq. cm. Encloses a 15 litres freezer area.
      Suitable for large fridge applications up to 300 litres in size.
    • RT4 Plate - 267 mmx 317 mm x 165 mm. Plate surface area is - 2200 sq.cm ~ 14 litres volume.
      Suitable for large fridge applications up to 260 litres in size. RT4 encloses a 14 litre freezer area.

    Bendable Flat Plates - These plates can be bent to fit almost any box size - a 50mm radius bend is recommended.

    • FL Plate - Evaporator plate is 915 mm long by 381 mm wide - 3480 sq.cm
      You can bend this plate to fit the shape of your fridge or freezer.  
      Suitable for large fridge and freezer applications up to 500 litres in size or all freezer applications up to 250 litres.
    • FM Plate – Evaporator plate 815 mm long by 292 mm wide - 2380 sq.cm
      You can bend this plate to fit the shape of your fridge or freezer.
      Suitable for large fridge and freezer applications up to 380 litres in size or all freezer applications up to 200 litres.

    Which kit is right for my application?

    The following information will help you decide which kit is best for your application. There are a number of factors involved:

    1. How large is the space that I want to cool?
    2. Do I want to cool or freeze this area or divide the space into a fridge and freezer?
    3. How much and what type of insulation is used?
    4. How much power is available?

    Data below is a guide line only: assumes high quality PU insulation, in a top loading, holding fridge, or freezer. Target temperatures 4C fridge and -12C freezer. Results may vary depending on ambient temperature, insulation quality, how often the lid is opened etc.

    FAQ's

    How to calculate internal volume of the area you intend to cool:

    • Length in cm's x Width in cm's x Depth in cm's / 1000 = Total volume in litres.
      Note: The LT211 optional compressor/ condenser is powered by a Danfoss BD50F - which provides 25 to 30 % more cooling capacity.

    Which Evaporator plate option should I use?

    • All freezer area - Refer to the chart and choose the largest evaporator plate that will fit in your box: FL. FM or F3 plates are recommended where they will fit in the available space.
    • All fridge area. - Refer to the chart and choose a evaporator plate that will fit neatly in your box and match the cooling requirements.
    • Fridge with a small freezer area. - The R26, RT4, and RT6 are designed for this application. They can be mounted vertically or horizontally. Refer to the chart and choose the evaporator plate that will fit neatly in your box and match the cooling requirements.
    • Fridge with a freezer larger than 15 litres cooled by a single compressor - This is referred to as a "spill-over" system. The fridge and freezer sections of a top loading box are separated with an insulated panel that has holes or slots at the top and bottom to allow air to circulate. cold plates are mounted in the freezer section: cold air will spill over cooling the fridge section.
      By gradually closing off the slots or holes at the top the fridge/freezer reaches the correct balance of temperatures desired in each section.
    • Fridge and freezer area cooled by two separate compressor/condenser units. Obviously, there are extra costs associated with a two-compressor system and increased power usage but there are also substantial advantages; so for large fridge/freezers intended for long term full time use this can sometimes be the best way to go.
      Both fridge and freezer temperatures can be accurately controlled and each side can be run independently. Each side can be independently shut down so you're not cooling a large space for a few small items.

    How large an area can I cool with the LT201 series?

    • See chart above

    I've been told that a BD50 will work better in the Tropics?

    • Unless you a have a very large or poorly insulated box the BD35F variable speed compressor utilized in the LT201 kits will do the same job as the BD50F while using less power. Choose the LT211 option if you require the more powerful BD50F compressor.

    How much power will I need?

    • Small well insulated fridges will require only 20 to 30 amps per day however very large or poorly insulated fridge/freezers may require a maximum of 135 amps per 24 hours.

    I've seen other brands that claim lower power consumption than Nova Kool?

    • The power consumption data provided by most manufactures are completely unrealistic for Australian conditions. We try to provide an honest estimate of "real world" power consumption. Every installation is unique so use this data with caution. Nova Kool have been refining the LT series for more than 25 years. The goal is to provide a system with optimal efficiency and reliability. In "real world" conditions Nova Kool systems outperform and outlast the competition.

    Do I need a professional to install the kit?

    • The quick connect ensure that the gas system integrity is maintained at all times so CFC’s are not handled by the installer and no gas will escape during installation.

    Will I lose gas when I do the couplings up?

    • No the quick connect have re-useable valves that ensure no gas escapes during installation.

    How much power will it use?

    • The new Danfoss BD series compressors are speed variable so you can match compressor output to your cooling requirements. The LT201 systems will draw 2.1amps @ 12 volts while running at their slowest speed and at their highest speed setting they can draw up to 6.5 amps. The compressor will cycle on and off as the thermostat reaches it’s set points.
      When the compressor is running the LT201 will draw between 2.1 and 5.5 amps at 12 volts DC (1.1 to 2.8 amps @ 24VDC). The compressor will cycle on and off as the operating temperature is reached so overall power usage can be as little as 15 amps per day for a small well insulated fridge up to a maximum of 132 amps per day for a very large, poorly insulated freezer.

    How much power it uses depends on:

    1. How large the fridge or freezer space is
    2. Insulation quality and thickness.
    3. Door seals.
    4. Ambient temperatures; on a hot day, the load on the fridge will be higher.
    5. Ventilation: a poorly ventilated compressor/condenser will be less efficient.

    Please contact us for assistance in estimating daily power usage of your application.

    Where should I mount the compressor/condenser unit?

    • Any dry, well ventilated location within 3.6m (12feet) of the fridge or freezer. Closets, cupboards, cockpit lockers, lazarette, are all good locations. Remember no matter where you mount it, your unit will need ventilation. We recommend 120 sq in of ventilation, ideally 60 coming from down low in the cabin and 60 up high to allow the hot air to escape.

    I want a fridge and a freezer. How do I do this?

    • There are a number of ways to achieve this:
      • Use the R26, RT4 or RT6 to enclose a small freezer space inside a larger fridge area
      • If air can circulate between the fridge and freezer area a single compressor “Spill-over” Fridge/Freezer can be created that allows larger freezer area’s than the R26, RT4 or RT6.
      • If the fridge and freezer are in separate boxes and there is no way to provide air circulation between the two areas, then two separate conversion kits must be used. A two-compressor system is more expensive and will use slightly more power than the single compressor systems described on the previous page but there are advantages:
        • Independent temperature control of the fridge and freezer.
        • Each side can be independently shut down so you’re not cooling a large space for a few small items. So, for large fridge/freezers intended for long term full time use, this can sometimes be the best way to go despite the extra cost.

    Do’s and Don’ts

    If you follow the installation instructions there is very little that can go wrong but here are a few things that have caused problems in the past:

    • Do not install the thermostat control outside the box. The Danfoss mechanical thermostat control must be installed inside the box to function correctly.
    • Do not overload the fan circuit. The fan circuit on the control module is only designed to run the 0.2 amp fan provided with the system. If an additional fan is added to the fan circuit the total load on the circuit must not exceeds 0.5 amps or the control module will shut the system down.
    • Do provide at least as much ventilation as directed in the installation manual. Poor ventilation is the number one cause of fridge performance problems. The system must be able to circulate air past the condenser to work efficiently.
    • Do not tamper with the access valve or attempt to alter the gas charge yourself! This access valve on the compressor is provided for use by an authorized service technician only. Unauthorized access will void your warranty.
    • Do call us if you require more information or if you are in doubt about any aspect of the installation or operation of your refrigeration system. We are here to help.

    specification

    Replacement BD50F Compressor & Condenser - Nova Kool  (LT211)

    Suits 12 to 24 Volt

    Compressor: Danfoss BD50F compressor
    Condenser: Multi-fin radiant with fan
    Connections: Reuseable quick connects
    Voltage DC only: 12 & 24vdc standard
    Power consumption: Variable 3.5 to 6.5 amps @ 12 volts depending on speed setting
    Refrigerant Charge:  Pre-charged with R134a
    Fan: Yes 0.2 amps @ 12 volts
    Dimensions: 230mm  x 280mm  and 190mm in Height