La Strada Nova M - Fridge Exhaust Gas + Winter Issues. - Motorhome Forums, Motorhome Discussion, Motorhome Chat

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post #1 of 33 (permalink) Old 11-11-2014, 12:56 Thread Starter
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La Strada Nova M - Fridge Exhaust Gas + Winter Issues.

Hello,

So, we have been enjoying our new La Strada Nova M.

Many mods are required.

Main issues that I want to address is the shockingly cold draft that enters the habitation area.

The cold comes in through the fridge vent, blows all around the fridge and drawers. Indeed, the slightest frost will freeze an food, tins or bottles left in the drawers as it is so open.

Anyone else had similar issues?.

TM
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post #2 of 33 (permalink) Old 11-11-2014, 13:57
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Time to get out the silicone gun, but do use clear, not white.

cabby

Don't be silly all the time ask your question.
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post #3 of 33 (permalink) Old 11-11-2014, 15:44 Thread Starter
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Thanks Cabby,

Should not have to be doing that on what is today, new an 80,000 Motor.

TM
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post #4 of 33 (permalink) Old 11-11-2014, 15:57 Thread Starter
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here is an example
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File Type: jpg lastradanovadrafts_289.jpg (60.4 KB, 2 views)
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post #5 of 33 (permalink) Old 11-11-2014, 17:12
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Let me get this right -

External air is blowing INTO the van via the external fridge vents?

Is it a 3-way absorption fridge?

(If not, then ignore what follows!)

If that is the case THEN IMMEDIATELY STOP USING THE FRIDGE ON GAS.

Why?

Because if fresh air can blow into the hab area then so can combustion gases from the fridge.

They include the DEADLY CARBON MONOXIDE.
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post #6 of 33 (permalink) Old 11-11-2014, 17:23
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I have just looked at the specs of the van (in German) where it states that it has an absorption fridge.

If that is indeed the case with yours then it indicates a very serious design flaw.

On our (then brand-new) Hymer there were tiny gaps around the fridge that were enough to allow combustion gases into the hab area.

This especially showed up when there was a burner fault and if we had not installed a CO alarm we would not be here now to tell the tale.

I repeat - WE WOULD NOT BE HERE NOW TO TELL THE TALE.

Although the alarm gave us heart attacks!

I have posted on here several time how I sealed the rear of the fridge from the hab area.
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post #7 of 33 (permalink) Old 11-11-2014, 17:28
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Quote:
Originally Posted by pippin
Let me get this right -

External air is blowing INTO the van via the external fridge vents?

Is it a 3-way absorption fridge?

(If not, then ignore what follows!)

If that is the case THEN IMMEDIATELY STOP USING THE FRIDGE ON GAS.

Why?

Because if fresh air can blow into the hab area then so can combustion gases from the fridge.

They include the DEADLY CARBON MONOXIDE.


If that were the case then most of us, who used to use the old paraffin or converted fridges, would be dead in our own kitchens by now. Most 3 way fridges are not room sealed. They take air for combustion from the van and vent mainly via the fridge vents at the back to the outside.

There should be a seal round the fridge itself if only to stop what is happening to you ie a cold draft when the wind blows into the fridge vents . Many convertors ignore this. We found a length of foam pipe insultion,cut lengthways and caulked into the gaps betwen fridge and kitchen unit, did the job very well, if not terribly elegantly.

If it is very windy then you can put plastic covers over the fridge vents which will prevent dirt and water getting in too as you travel and, if it is very cold outside, help the fridge to work efficiently.

G
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post #8 of 33 (permalink) Old 11-11-2014, 17:33
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80,000 or not TM, that is a seriously crappy build!

I would take it back and demand that the fridge is sealed off from the inside, which is how it should be. Irrespective of the price, that is not a trivial fault!

Air should be able to go in at the bottom grille and out of the top one, with no possibility of entering the hab area.

If you can't take it back for some reason, get in at the rear via the grilles and seal it with anything a bit flexible that will keep the gales out. It will be a fiddle, but there's no option by the sound of it. Foam rubber poked into smallish gaps is probably the easiest.

Dave
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post #9 of 33 (permalink) Old 11-11-2014, 17:43
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I take your point Grizzly, but the average kitchen or lounge in a house is much greater in volume than a hab area and tends to have lots of leaky draughts.

Remember - it was when our fridge burner went faulty that the danger reared it's ugly head.

The fault was simply that the chimney sooted up - a very common occurrence.

The installation instructions for Thetford clearly state that the rear should be sealed off from the hab area.

PS

Times have changed - those paraffin heaters were awful things - I wouldn't go anywhere near one now.

In my time as a TV repairer I made lots of house calls.

Whenever I took the cover off a TV in a house with one, the interior would be totally covered in brown greasy gunk (attracted by the high voltages).

Looked worse than a smoker's lungs!

PPS

I located the gaps by totally darkening the inside of the van and looking very carefully for the sunlight coming in from outside.

I then sealed up with aluminium adhesive tape.

That same night I put some incredibly bright lights inside the van by the fridge.

I then looked through the external vents, found more gaps and sealed those up until I was totally satisfied.
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post #10 of 33 (permalink) Old 11-11-2014, 17:53 Thread Starter
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Hello,

I have removed the fridge to see what it looks like behind.

All of the cupboards and the gas hob above the fridge is open to the outside air coming from the grills and the back of the fridge.

You can see that the flue goes directly out, though not the rest.

I have popped the fridge back in and I am going to send an email to both the dealer and the Converter.

TM
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