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T3 modifications (not engine related)

 
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ElusiveStranger
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Location: Mudway, Kent

PostPosted: Mon Jul 12, 2010 10:39 pm    Post subject: T3 modifications (not engine related) Reply with quote

Some useful stuff on here
http://www.griffco.ca/interest/index.htm

I like the shower heater (AKA Calorifier) using the engine coolant, something I've been pondering.
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gazman
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PostPosted: Tue Jul 13, 2010 2:29 am    Post subject: Reply with quote

Cool mods, that shower heater is impressive
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sven
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PostPosted: Tue Jul 13, 2010 8:28 am    Post subject: Reply with quote

A friend of mine has a water heater in the bus, works like a charm!
They're leaving from mid-Sweden to Cape town within a few days. Yes - in the bus... Happy
http://swedenafrica.blogspot.com/
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13 window deluxe
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PostPosted: Tue Jul 13, 2010 7:01 pm    Post subject: Reply with quote

i work on expedition landrovers and landcruiser and alot have calorfier's connected to the cooling system for on board hot water or showers i fitted one to a series 2a landrover carawagen the other month this had a pullout awning on the back that doubled up as a shower tent the heat exchanger warmed the water very quickly! within 5min from startup the water was hot enough to have a shower
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1964 rat 13 window deluxe 1Z tdi,
1975 rhd twin slider tintop (TBA)
1991 golf 2 gti with tweaked AHU tdi,

previous tdi swaps: gone but not forgotten
1979 rhd twin slider tintop bay ahu 1.9tdi
1990 T25 1Z 1.9tdi
1993 suzuki samurai with 1Z 1.9tdi
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ElusiveStranger
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PostPosted: Tue Jul 13, 2010 7:33 pm    Post subject: Reply with quote

13DL, Ooooh, got any pictures please? Roughly what sort of cost?
_________________
The advice you receive on here is worth the paper it's written on.
Your experiences are worth shed loads to others, including the f'ups - live and learn.
Wouldn't YOU rather learn by someone else's mistakes? So would they.

'78 Bay, 2 litre 091 box, EJ20 NA & the ashtray's on the 'right' side.
I don't lean forward for hills any more Grin
Bugger, missed out on "Live fast, die young"
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13 window deluxe
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PostPosted: Tue Jul 13, 2010 8:12 pm    Post subject: Reply with quote

didnt take any photo's as it was a work job but it was a doddle to fit i think it was from a company called "free water heating sytems" ? but i will check up on that for you. the kit was supplied by the customer so i dont know how much it cost? to fit basically the heat exchanger was connected to the heater hose before the heater matrix with a suplementary water pump inline to circulate the engine coolant even if it isnt running, the water tank supplies cold water via a inline water pump half to the cold side of the thermostatic mixer and half to the other water jacket in the heat exchanger then back to the other side of the mixer tap so when you switch the pump on you can have hot or cold water by turning the mixer up or down apart from the heat exchanger and the thermostatic mixer tap nothing else was anything special just heater hose, jubliee clips and a couple of water pumps. i belive ex-bt transit's had a heat exchanger's for hot water hand wash's in the back and alot of vw's had auxillary water pump's these could be used to build a budget kit?
_________________
1964 rat 13 window deluxe 1Z tdi,
1975 rhd twin slider tintop (TBA)
1991 golf 2 gti with tweaked AHU tdi,

previous tdi swaps: gone but not forgotten
1979 rhd twin slider tintop bay ahu 1.9tdi
1990 T25 1Z 1.9tdi
1993 suzuki samurai with 1Z 1.9tdi
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richbaker78
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PostPosted: Tue Jul 13, 2010 10:27 pm    Post subject: Reply with quote

13WD is correct the ex BT van ones are quite compact and are fitted in the engine bay. They are heated using an eberspacher d5w derv heater though rather than just engine coolant.

Im fitting this system to my van - ie engine preheat / calorifier / wet heating system (radiators) and blown air system - but using the petrol version of the same heater that BT used called the B5W- they are available almost new on ebay for about 250 (or less) which is decent for a heater when compared to propex which are much more limited. The other bits can be picked up from ebay too - check out the boat listings etc too.
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CycloneMike
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PostPosted: Wed Jul 14, 2010 10:04 am    Post subject: Reply with quote

I have fitted a similar system to my van.
If you are going to heat it from your engine coolant you will need a blender valve to bring the water down to a sensible temperature to use it.
The calorifiers are very effective and heat the 9L of water in no time at all.
I have one which also has a small immersion heater in it so I can heat water when 240V is available without running the engine.
I don't have a shower but it can be nice to have some hot water on tap. I think you would need a big pump for a decent shower but that would empty the tank very quickly.
You can just see the tank behind the seat base, which sits in the bottom part of the wardrobe.
It all runs off one pump to a mixer tap at the sink.
If you follow the pipe from the pump through the flow damper, it splits at a y piece and one half goes to the left of the blender. The other half splits again and half goes to the inlet of the tank, the other half of this then goes to the cold inlet on the tap. The hot outlet from the top of the tank then goes to the hot inlet on the right of the blender, then the blended (still very) hot warter from the bottom of the blender to the hot inlet of the mixer tap at the sink. It would have been easier to follow if I had used some blue pipe, but I only had red!
It all works very well. Reasonable flow and temperature.

Circuit looks like this. You can obviously get away without the ebber.
[/quote]
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sven
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PostPosted: Wed Jul 14, 2010 7:44 pm    Post subject: Reply with quote

David, my friend, heats the water to maximum and blend it afterwards instead. Keep bacterias away as well.
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CycloneMike
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PostPosted: Wed Jul 14, 2010 8:25 pm    Post subject: Reply with quote

sven wrote:
David, my friend, heats the water to maximum and blend it afterwards instead. Keep bacterias away as well.

Yep thats how this works, the hot water is blended after it comes out of the tank and on its way to the tap.
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ElusiveStranger
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Joined: 23 May 2006
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PostPosted: Wed Jul 14, 2010 11:43 pm    Post subject: Reply with quote

Wow, thanks for the info guys!
_________________
The advice you receive on here is worth the paper it's written on.
Your experiences are worth shed loads to others, including the f'ups - live and learn.
Wouldn't YOU rather learn by someone else's mistakes? So would they.

'78 Bay, 2 litre 091 box, EJ20 NA & the ashtray's on the 'right' side.
I don't lean forward for hills any more Grin
Bugger, missed out on "Live fast, die young"
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13 window deluxe
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PostPosted: Thu Jul 15, 2010 10:10 pm    Post subject: Reply with quote

richbaker78 wrote:
13WD is correct the ex BT van ones are quite compact and are fitted in the engine bay. They are heated using an eberspacher d5w derv heater though rather than just engine coolant.

Im fitting this system to my van - ie engine preheat / calorifier / wet heating system (radiators) and blown air system - but using the petrol version of the same heater that BT used called the B5W- they are available almost new on ebay for about 250 (or less) which is decent for a heater when compared to propex which are much more limited. The other bits can be picked up from ebay too - check out the boat listings etc too.


from what i remember they have some sort of valve arangement in the engine bay so the engine coolant can heat the calorifier if the van has been recently driven or the eberspacher can be run to warm the water if the van has been stood and has no coolant temp
_________________
1964 rat 13 window deluxe 1Z tdi,
1975 rhd twin slider tintop (TBA)
1991 golf 2 gti with tweaked AHU tdi,

previous tdi swaps: gone but not forgotten
1979 rhd twin slider tintop bay ahu 1.9tdi
1990 T25 1Z 1.9tdi
1993 suzuki samurai with 1Z 1.9tdi
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