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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE

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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
5 April 2009, 9:21 PM
drg
Joined 5 Apr 2009
3 posts

Having problems with my cascade 2 GE system on 1992 Lunar clubman.
New to the game and wrongly forgot to drain the tank for winter. I now cannot get water to the taps. Having read many threads on this site I stripped down the non return valve which seems fine in the proccess snapped the hot out which I replaced. I did get water to the taps briefly following all this but it has since stopped completely. Water supply is good the pump does complain when refilling the tank but the pressure is ok. Spent all day trying to fix the problem without succes. Any ideas gratefully recieved as I am intending to go away soon. Thanks Rich

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
5 April 2009, 10:25 PM
gary
Joined 13 Mar 2002
2288 posts

The non return valve is always favourite, assuming it's the white fitting, did you check the white 'o' ring is perfectly round? it won't work correctly if not. If the inlets already been replaced with a black one, then it's possible the casting threads have not been cleaned and this can crush the fitting as you screw it in and jam the valve, any problem with these I simply change it for a new one.

The other probable is lime scale blocking the passage up to the tank, back flushing this with a hose pipe connected to the drain bung hole usually works, you must have hot taps open to allow air to escape though.


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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
6 April 2009, 10:00 PM
drg
Joined 5 Apr 2009
3 posts

Thanks for that Gary, I went this morning to get a new non return valve just in case it is that and it will also exclude that. The new one is the black type you previously mentioned which I think must mean the white one which I will be replacing is the old type? I am working for the next few days so won t be able to fit it until Friday so I will keep you informed of progress. Thanks again Richard

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
7 April 2009, 5:49 PM
dumbsumpy
Joined 7 Apr 2009
1 posts

Hi. Have trawled through the first 90 pages, but being at work means i haven't got time to finish off! So here goes, I have a Carver Mk.1 fitted to an old Abbey GT414. The Green light comes on, and goes out after 8-10secs. Have primed the gas, and checked at burner entry, gas is present. So got the wife to turn the unit on while I had my head under the caravan, and I heard no clicking as I would expect for the ignition. Does the thermal cut-out inhibit the entire sequence? Or could it be an igniton unit change? Or possibly something else? I have filled the tank, water flows as expected but obviously is just cold. I have wiggled and cleaned all the connectors i could get to. Any further thoughts?
Many thanks

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
8 April 2009, 9:47 AM
-  Edited by gary 8 April 2009, 9:51 AM
gary
Joined 13 Mar 2002
2288 posts

This does sound like the ignition generator has packed up, you can however put 12v direct too it to be sure.
If it works then either the control switch is not working correctly or theres a poor connection between.

What you need to be aware of is how long it's been since it did work? long periods without use, (particularly if parked over long grass), will allow spiders etc to colonise the burner and require a strip down to remove their webs and nests.

With that in mind don't have your head actually 'under' the van while testing once you have the spark working? or make sure you have para-medics at hand!!!

Joking aside, I have all spares you might require

PS first congrats on finding the the correct section to post in and second I'm glad I'm not paying you?! lol



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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
8 April 2009, 11:43 AM
diver2694
Joined 2 Apr 2009
1 posts

Thanks Gary.

What service, sent my burner Saturday morning, returned fully working Wednesday morning. It's been refitted and now I have hot water via gas.

Thanks once again Gary.
Regards,
Tom


ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
10 April 2009, 7:46 PM
drg
Joined 5 Apr 2009
3 posts

Changed the non return valve for a new black one. (Dremel tile cutter very good for extracting the old left behind threads of plastic which snapped off during removal) Did also buy a new water pump and all is working perfectly again now. I will always drain the tank properly in future. Thanks Gary for all the advice I can holiday once again with hot and cold water a plenty.
Thanks Richard

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
16 April 2009, 4:38 PM
gary
Joined 13 Mar 2002
2288 posts

bump


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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
16 April 2009, 8:33 PM
Albs
Joined 16 Apr 2009
5 posts

Can anyone help me please?
I've just aquired two Carver water heaters and after a few hours made one good one in perfect working order. I fired it up and after twenty five minites or so and got a full tank of hot water, no problems.
So what's wrong? Well I've no idea how to use it, these are the points I'm concered about.
1. Do I need to keep the heater running at all times or just before I need it? Are there any problems with constant running?
2. How do I pump the water to where I need it? Should the pump be before the heater, pumping cold water in, pushing the hot water to the top of the boiler and through to the taps?
3. Can I pump cold water in to the heater while drawing hot water with the boiler still heating?
If anyone can help I would be very greatful as I'm new to the whole caravan thing.


ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
16 April 2009, 11:26 PM
gary
Joined 13 Mar 2002
2288 posts

1, this is up to you, it's designed to switch on and leave but you might want to choose to switch it off and then remember to switch on 45 minutes before use to fully heat a tank of water, me I would always forget so leave it on!

2, yes

3, as 2 is yes this is also yes but it will still run cold once the original 9lt of hot is used up.


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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
17 April 2009, 9:05 AM
Albs
Joined 16 Apr 2009
5 posts

Thank you Gary, This is a great help. Could you also answer this please. Is it worth my while to install a pressure flow switch inorder to switch the water pump on, saving me from running cables to the tap switches or will this not work?
Regards, Albs

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
17 April 2009, 10:04 AM
gary
Joined 13 Mar 2002
2288 posts

I would always use a pressure switch, saves a lot a phaffing around.

Sometimes though, it's worth wiring in the cold shower tap switch to override the pressure switch, this allows the pump to keep running while showering with low flow rates and conserve the hot water.
Otherwise, the pump will continually switch off and on, (hunt), and you get scolded or frozen in quick succession!!

Note to myself to do this!!! LOL


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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
17 April 2009, 1:39 PM
ALSY66
Joined 9 Apr 2009
1 posts

Message:

Gary my carver cascade 2 water heater is failing to light, it clicks away for a few minutes when you switch it on the green light stays on for the same few minutes that it clicks then the red and the green light come on. Previous to this I didnt get any clicking so I removed the burner control module and left in the airing cupboard for a few days as suggested in previous forum what do you suggest hope you can help Allan.

I don’t know, it could be many things, I would expect a replacement module will cure it though!

What year is it? Date is on the front face of the burner under the word ‘Patterned’


Hi Gary thanks for reply I think it is 89 as it has the nob to set temperature at top right of burner Also can you supply/repair burner control module?
thanks
Allan


ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
17 April 2009, 9:08 PM
mick
Joined 17 Apr 2009
4 posts

Hello all I am a new member of the group in need of some advice can anyone tell me what size thread the water inlet and outlet is on the water heater many thanks
ick

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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
17 April 2009, 11:43 PM
gary
Joined 13 Mar 2002
2288 posts

That would be the length of the start cycle and a maximum of 10 seconds Allen not minutes?!
89 would also give it two electrodes over the burner, this particular module does respond better than most to a night in the warm but it seems yours is past resurrection!
Solution then is a replacement and yes I have serviced exchange units, if you contact me direct I'll give you the details



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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
17 April 2009, 11:58 PM
gary
Joined 13 Mar 2002
2288 posts

It's 3/8" BSP Mick but apart from the thread the plastic fittings are non-standard or rather modified standard ones.

I have them though if you need them?


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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
18 April 2009, 12:56 PM
mick
Joined 17 Apr 2009
4 posts

ManyThanks Gary for the information I have the fittings for the water heater I need to clean out the threads to re fit the inlet and outlet fittings regards
Mick

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
18 April 2009, 7:06 PM
kevanmcl
Joined 18 Apr 2009
1 posts

I have the problem above, i.e. no water coming from the hot taps. My local dealer suggests it is the cold feed non-return valve to the Carver water heater, and did say it is a bit awkward to get to it - he wasn't kidding. I can get my fingers around it, but am completely at a loss as to how I can spanner it off. Any suggestions?
KEVANMCL

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
18 April 2009, 10:39 PM
gary
Joined 13 Mar 2002
2288 posts

To remove the inlet completely then I would at least take the heater half out, far simpler in the long run than struggling.

And if it breaks off, DO NOT use a stud extractor/easy out, you need to cut the remains out of the heat exchanger.


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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
18 April 2009, 11:13 PM
dale_hopkinson
Joined 15 Sep 2008
15 posts

Hi again.

My Carver SB1800 had a yellow flame and pathetic heat output. I also wanted to use the fanmaster i bought, so i bought an old Carver 1800 off ebay (the one with a full front fascia) which came with the heat reflector with the push out for the fanmaster.

Fitted it all in, but guess what it doesnt work!

Spark works fine. Don't appear to be able to get gas into the fire. I'm confused with the control knob, as it seems completely out of sync with the markings.

On the valve, it can spin about 180 degrees from right to left. While in the right position, it can be pushed down. There appears to be a gap to push down into the bottom position but it wont.

No sound of gas or smell at all. I'm guessing either the inlet valve isnt opening or its blocked somehow. Think it was stood for a while.

Before anyone asks, the gas supply is turned on and free of air as hob burns strongly and water heater lights up happily.

I'm so tempted to drench it in wd40 to make sure all is free, but spent the last hour reading through here and you don't seem to approve. Any reasons?

I'm a bit stumped without taking it all to bits. Any ideas i'd be grateful?

Thanks, Dale


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