67cj5
Man On a Mission
Having a few fridge freezers I decided to test a couple of them to see which worked best as a fridge and which one works best as a freezer, Having seen figures posted by someone in SA I considered their Test as not a fair and just way of doing things because the results were weighted to suit the brand the person was selling, What you have to bare in mind is that one or two brands on the Market have up to 3 adjustable power levels and the Test I saw was such that the person doing the tests used the manual lowest power setting for his preferred brand to suit the desired results. But because 2 of Fridges I tested run totally Automatically I tested all 3 fridges running in AUTO and the one that is the same brand that has a 3 level power switch as tested else where I also test those setting and recorded the results,
The Three Power Sources I used were "My" favourite The Dometic PLB-40 Lithium portable pack, and a 115Ah Deep Cycle Battery and 240v AC or for you folks Across the Pond 120v AC,
The Ambient Temp was between 16* to 19*c OR 60.8*f to 66.2*f and the Fridge Test Temps were 3*c / 37.4*f and -12*c / 10.4*f and -18*c / -0.4*f , You will notice how the fridge that uses the leased amount of power by a fair margin when used as a Fridge does not always automatically make it the best fridge to use when using it as a freezer And the other important factor is that I used fridges that were of 3 different capacities, Fridge No 1 is the Dometic CDF-18 = 18L/19Qt which uses the Danfos/Secop DB 1.4F Compressor and fridge No 2 is the SnoMaster 35L which has the same 66w compressor that is used throughout the SnoMaster Range, And Fridge No 3 Is the ARB 47L/50Qt which uses the Danfos/Secop DB-35F Compressor, All Fridges were filled to 70% of their Capacities to give them and equal chance and each Fridge was Run At the Set temp for 24 hours with the Contents inside before each test Began,
Test One, Run all 3 Fridges One at a Time Powered by the Dometic PLB-40 all Fridges Set to 3*c / 37.4*f. Per 24 Hours,
Dometic CDF-18 = AUTO = 21% / 8.4Ah
SnoMaster 35L = LOW = 30% / 12Ah
SnoMaster 35L = AUTO = 35% / 14Ah
SnoMaster 35L = HIGH = 38% / 15.2Ah
ARB 47L/50Qt = AUTO = 28% / 11.2Ah
Test Two, Run all 3 fridges One at a Time Powered by a 115Ah Deep Cycle battery all Fridges Set to 3*c / 37.4*f Per 24 Hours,
Dometic CDF-18 = AUTO = 5.6Ah = 71.68Wh, PEAK = 38.0w
SnoMaster 35L = LOW = 9.604Ah = 119.4Wh, PEAK = 74.9w
SnoMaster 35L = AUTO = 14.039Ah = 175.0Wh, PEAK = 81.4w
SnoMaster 35L = HIGH = 13.711Ah = 167.2Wh, PEAK = 96.4w
ARB 47L/50Qt = AUTO = 8.559Ah = 107.9Wh, PEAK = 55.4w,
Test Three, Run all 3 Fridges One at a Time Powered by 240v AC with all Fridges set to 3*c / 37.4*f. Per 24 Hours,
Dometic CDF-18 = AUTO = 128Wh
SnoMaster 35L = AUTO = 238Wh, NOTE The SnoMaster only Run in AUTO when running on AC
ARB 47L/50Qt = AUTO = 228Wh,
Test Four, Run all 3 Fridges One at a Time Powered by 12v / 115Ah Deep Cycle Battery with all fridges set to -12*c / 10.4*f Per 24 Hours,
Dometic CDF-18 = AUTO = 33.370Ah / 416.6Wh
SnoMaster 35L = AUTO = 46.848Ah / 599.66Wh
ARB 47L/50Qt = AUTO = 26.982Ah / 345.36Wh
Test Five. Run all Fridges One at a Time Powered by 12v / 115Ah Deep Cycle Battery with all Fridges set to -18*c / -0.4*f Per 24 Hours,
Dometic CDF-18 = AUTO = 41.046Ah / 496.6Wh
SnoMaster 35L = AUTO = 57.150Ah / 712.55Wh
ARB 47L/50Qt = AUTO = 38.743Ah / 480.8Wh. and 35.290Ah / 446.7Wh
As you can see The Smallest Fridge works well when set to a Fridge but once the Temp is set below Freezing point of 0*c / 32*f the largest Fridge starts to move ahead when it comes to using the leased power, And then there's the Lemon in the Room the SnoMaster 35L It's Power Hefty Consumption is hereditary throughout the range, During the 12v Test I saw the SnoMater Peak out at 99.8 watts during start up, also the Volt Metter on the SnoMasters is Only Accurate when the Fridge is in Standby Mode because I have a Fluke DMM hooked up the whole time to the battery and during the SnoMasters run cycle I saw it's volt meter reading 10.1v where the Fluke was telling me that there was 12.6+v in the Battery and I also tested the 95L SnoMaster and it was Chewing over 115w from my battery and it was Eating my Battery that fast I had to Hook Up my big wheeled battery Charger to the Battery because it was eating over 9Ah, The SnoMasters are very well Made But it is their Software of how they are set up is what causes them to Chew up batteries because the moment the internal sensor see's the Fridge warm up just a fraction the SnoMaster then power up which means it might run for only 5 or 7 minutes and then it will shut off for about 10 minutes which sounds good But It's Not and when they do that 4 or 5 times an Hour they really hammer the Battery because the ARB might run for 20 minutes which might sound a lot but it will stay turned off for up to 2+ Hours and what this does is when the Fridge has done it's run cycle and shuts off the battery has a chance to recover so If the battery was reading 12.456v at the end of the ARB's run cycle the long OFF time allows the battery to recover back up to 12.75 or 12.85+v and that power it manages to recoup is carried on to the next cycle So where the Voltage has recovered to "IE" 12.856v at the end of it's next RUN and OFF cycle the battery will read something like 12.852v or 12.851v on average, But with the SnoMasters where they are going On and Off all the Time the battery never gets chance to recover from it's last ON and OFF Duty Cycle before it starts up again. And I never bothered completing the SnoMasters -18*c / -0.4*f running on 240v because on AC the Default Power setting is Auto or HIGH and it can Chew as much AC Power as a Domestic Freezer, During the Testing of the SnoMaster I only set it to -18*c / -0.4*f although it can be Set to -22*c / -8*f because the other Fridges in the test have a maximum cold setting of _18*c / -0.4*f
Anyways, The results speak for them selves, The Little Dometic is great for moving from Vehicle to Vehicle due to it's Portability but the ARB 47L/50Qt is My All Rounder and it has become the standard of which I judge all others,
Hope that Helps,
The Three Power Sources I used were "My" favourite The Dometic PLB-40 Lithium portable pack, and a 115Ah Deep Cycle Battery and 240v AC or for you folks Across the Pond 120v AC,
The Ambient Temp was between 16* to 19*c OR 60.8*f to 66.2*f and the Fridge Test Temps were 3*c / 37.4*f and -12*c / 10.4*f and -18*c / -0.4*f , You will notice how the fridge that uses the leased amount of power by a fair margin when used as a Fridge does not always automatically make it the best fridge to use when using it as a freezer And the other important factor is that I used fridges that were of 3 different capacities, Fridge No 1 is the Dometic CDF-18 = 18L/19Qt which uses the Danfos/Secop DB 1.4F Compressor and fridge No 2 is the SnoMaster 35L which has the same 66w compressor that is used throughout the SnoMaster Range, And Fridge No 3 Is the ARB 47L/50Qt which uses the Danfos/Secop DB-35F Compressor, All Fridges were filled to 70% of their Capacities to give them and equal chance and each Fridge was Run At the Set temp for 24 hours with the Contents inside before each test Began,
Test One, Run all 3 Fridges One at a Time Powered by the Dometic PLB-40 all Fridges Set to 3*c / 37.4*f. Per 24 Hours,
Dometic CDF-18 = AUTO = 21% / 8.4Ah
SnoMaster 35L = LOW = 30% / 12Ah
SnoMaster 35L = AUTO = 35% / 14Ah
SnoMaster 35L = HIGH = 38% / 15.2Ah
ARB 47L/50Qt = AUTO = 28% / 11.2Ah
Test Two, Run all 3 fridges One at a Time Powered by a 115Ah Deep Cycle battery all Fridges Set to 3*c / 37.4*f Per 24 Hours,
Dometic CDF-18 = AUTO = 5.6Ah = 71.68Wh, PEAK = 38.0w
SnoMaster 35L = LOW = 9.604Ah = 119.4Wh, PEAK = 74.9w
SnoMaster 35L = AUTO = 14.039Ah = 175.0Wh, PEAK = 81.4w
SnoMaster 35L = HIGH = 13.711Ah = 167.2Wh, PEAK = 96.4w
ARB 47L/50Qt = AUTO = 8.559Ah = 107.9Wh, PEAK = 55.4w,
Test Three, Run all 3 Fridges One at a Time Powered by 240v AC with all Fridges set to 3*c / 37.4*f. Per 24 Hours,
Dometic CDF-18 = AUTO = 128Wh
SnoMaster 35L = AUTO = 238Wh, NOTE The SnoMaster only Run in AUTO when running on AC
ARB 47L/50Qt = AUTO = 228Wh,
Test Four, Run all 3 Fridges One at a Time Powered by 12v / 115Ah Deep Cycle Battery with all fridges set to -12*c / 10.4*f Per 24 Hours,
Dometic CDF-18 = AUTO = 33.370Ah / 416.6Wh
SnoMaster 35L = AUTO = 46.848Ah / 599.66Wh
ARB 47L/50Qt = AUTO = 26.982Ah / 345.36Wh
Test Five. Run all Fridges One at a Time Powered by 12v / 115Ah Deep Cycle Battery with all Fridges set to -18*c / -0.4*f Per 24 Hours,
Dometic CDF-18 = AUTO = 41.046Ah / 496.6Wh
SnoMaster 35L = AUTO = 57.150Ah / 712.55Wh
ARB 47L/50Qt = AUTO = 38.743Ah / 480.8Wh. and 35.290Ah / 446.7Wh
As you can see The Smallest Fridge works well when set to a Fridge but once the Temp is set below Freezing point of 0*c / 32*f the largest Fridge starts to move ahead when it comes to using the leased power, And then there's the Lemon in the Room the SnoMaster 35L It's Power Hefty Consumption is hereditary throughout the range, During the 12v Test I saw the SnoMater Peak out at 99.8 watts during start up, also the Volt Metter on the SnoMasters is Only Accurate when the Fridge is in Standby Mode because I have a Fluke DMM hooked up the whole time to the battery and during the SnoMasters run cycle I saw it's volt meter reading 10.1v where the Fluke was telling me that there was 12.6+v in the Battery and I also tested the 95L SnoMaster and it was Chewing over 115w from my battery and it was Eating my Battery that fast I had to Hook Up my big wheeled battery Charger to the Battery because it was eating over 9Ah, The SnoMasters are very well Made But it is their Software of how they are set up is what causes them to Chew up batteries because the moment the internal sensor see's the Fridge warm up just a fraction the SnoMaster then power up which means it might run for only 5 or 7 minutes and then it will shut off for about 10 minutes which sounds good But It's Not and when they do that 4 or 5 times an Hour they really hammer the Battery because the ARB might run for 20 minutes which might sound a lot but it will stay turned off for up to 2+ Hours and what this does is when the Fridge has done it's run cycle and shuts off the battery has a chance to recover so If the battery was reading 12.456v at the end of the ARB's run cycle the long OFF time allows the battery to recover back up to 12.75 or 12.85+v and that power it manages to recoup is carried on to the next cycle So where the Voltage has recovered to "IE" 12.856v at the end of it's next RUN and OFF cycle the battery will read something like 12.852v or 12.851v on average, But with the SnoMasters where they are going On and Off all the Time the battery never gets chance to recover from it's last ON and OFF Duty Cycle before it starts up again. And I never bothered completing the SnoMasters -18*c / -0.4*f running on 240v because on AC the Default Power setting is Auto or HIGH and it can Chew as much AC Power as a Domestic Freezer, During the Testing of the SnoMaster I only set it to -18*c / -0.4*f although it can be Set to -22*c / -8*f because the other Fridges in the test have a maximum cold setting of _18*c / -0.4*f
Anyways, The results speak for them selves, The Little Dometic is great for moving from Vehicle to Vehicle due to it's Portability but the ARB 47L/50Qt is My All Rounder and it has become the standard of which I judge all others,
Hope that Helps,
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