/ News & Press / Video / Blocked plate heat exchanger sludge. Potterton Peforma no hot water. Heatinggeek
Blocked plate heat exchanger sludge. Potterton Peforma no hot water. Heatinggeek
WEBVTT Kind: captions Language: en
00:00:04.200 okay so on this job here we got this 00:00:09.04900:00:09.059 where's this a performer for my 3080 00:00:14.11900:00:14.129 when the customer runs a hot tap the 00:00:18.33000:00:18.340 flow pipe getting hot it's getting hot 00:00:20.37000:00:20.380 to the floor so most guys will come in 00:00:23.16000:00:23.170 here and change the diverter valve we've 00:00:29.13000:00:29.140 overdone one it's quite involved but I 00:00:34.92000:00:34.930 find I find the divert valves a lot 00:00:41.63900:00:41.649 usually the problem it's actually the 00:00:43.44000:00:43.450 plate gets dropped and then it forces 00:00:45.18000:00:45.190 its way past the diver so on this boiler 00:00:48.42000:00:48.430 here I'm gonna show you how to quickly 00:00:50.15000:00:50.160 descale the plate or at least check it 00:00:53.06900:00:53.079 for issues so I'm gonna get on with that 00:00:56.52000:00:56.530 now and it's about a hot past 8:00 in 00:01:00.60000:01:00.610 the morning 00:01:01.04900:01:01.059 Oh see how long it takes to get this 00:01:03.03000:01:03.040 done I'm gonna drain it down from that 00:01:07.41000:01:07.420 trailer back there then I'm gonna pump 00:01:11.06900:01:11.079 the vessel once it's drained I say the 00:01:14.24900:01:14.259 mains from underneath and undo Phillips 00:01:18.53900:01:18.549 there 00:01:19.82000:01:19.830 and the Philips at the back there 00:01:26.34000:01:26.350 Phillips 00:01:28.75000:01:28.760 as I'm dragging that down the vessel 00:01:41.80000:01:41.810 there we go just a hair over free cause 00:01:45.41000:01:45.420 of a bar top see when I unplug it it's 00:01:48.35000:01:48.360 gonna lose a girl war bit there sorry 00:01:51.58000:01:51.590 you off okay so the board is 00:01:55.25000:01:55.260 drained vessels pumped 00:01:57.91000:01:57.920 so hopefully won't baby gurgling I 00:02:00.73000:02:00.740 haven't so I do that here then that's 00:02:05.33000:02:05.340 the screws no loose I'll push it away 00:02:08.05000:02:08.060 but I can see me sucking her river load 00:02:10.40000:02:10.410 of waters gonna come out as you can hear 00:02:11.60000:02:11.610 that one sucking so that one's good 00:02:14.42000:02:14.430 we're gonna go to this one as well so I 00:02:28.19000:02:28.200 need to go slowly both hands now I'm 00:02:31.04000:02:31.050 gonna get that out okay so here's the 00:02:35.87000:02:35.880 plate heat exchanger out being sort of 00:02:41.36000:02:41.370 debris in there I'm gonna clean that now 00:02:44.15000:02:44.160 in the garden okay this is the stuff 00:02:47.39000:02:47.400 I'll use so make sure you wear gloves 00:02:52.52000:02:52.530 with this because it will burn you 00:02:54.83000:02:54.840 really badly hikes here ready to go 00:04:06.02000:04:06.030 now usually I have a really nice fellow 00:04:08.70000:04:08.710 that pushes in there so I can just fill 00:04:10.86000:04:10.870 the funnel right up and we're slowly 00:04:12.87000:04:12.880 forced it's wait for it I can't find it 00:04:17.13000:04:17.140 we're changing band and stuff ice 00:04:18.81000:04:18.820 somewhere other than always probably my 00:04:20.52000:04:20.530 garage as you can see this one's quite 00:04:23.88000:04:23.890 blocks most of these have the stop point 00:04:34.05000:04:34.060 so I'm pour it in the wrong end 00:04:50.65000:04:50.660 so it's very important that you get this 00:04:52.81000:04:52.820 stuff out of it afterwards we're lucky 00:04:55.57000:04:55.580 here so everything outside tap so just 00:04:58.93000:04:58.940 put the hose onto and brush it for you 00:05:00.67000:05:00.680 completely 00:06:08.07000:06:08.080 okay you see this person he stopped now 00:06:15.17000:06:15.180 [Applause] 00:06:37.38900:06:37.399 wait stretch best of minds 00:06:40.26900:06:40.279 all right no that's not effective 00:06:45.27000:06:45.28000:06:48.01000:06:48.020 there's the heat and exactly the same 00:07:10.29000:07:10.30000:07:13.07000:07:13.080 [Music] 00:07:19.48000:07:19.49000:07:21.53000:07:21.54000:07:37.24000:07:37.250 okay so give this a good wipe over it's 00:07:43.04000:07:43.050 the main site that's the heat inside 00:07:45.90900:07:45.919 okay there's the main side there's the 00:07:50.15000:07:50.160 heat inside till it sits clean 00:07:54.85000:07:54.860 so now I'm just gonna apply some grease 00:07:57.74000:07:57.750 around each of these I'll put my hand in 00:08:00.59000:08:00.600 to check how the washers feel when the 00:08:01.96900:08:01.979 boil of the o-rings there feel okay up 00:08:04.10000:08:04.110 dry them up and some grease on them and 00:08:06.08000:08:06.090 then pop it back in place that's well 00:08:09.32000:08:09.330 greased ones and the borders of greased 00:08:11.46900:08:11.479 so I'm gonna put this back in there see 00:08:13.67000:08:13.680 the right end goes up right when it's in 00:08:15.59000:08:15.600 the boiler remember how you took it out 00:08:18.08000:08:18.090 so you can put it in exactly the same 00:08:19.31000:08:19.320 way because it can be fiddly and you can 00:08:20.65900:08:20.669 flip it over the door source without 00:08:22.01000:08:22.020 realizing so it's back in just gonna 00:08:29.29000:08:29.300 close this back off close this back off 00:08:33.50000:08:33.510 now I used to rent one from above one 00:08:35.12000:08:35.130 from below put the mains on and we see 00:08:38.71900:08:38.729 if we've cured this for now occasionally 00:08:40.64000:08:40.650 you won't have cured it straight away so 00:08:43.73000:08:43.740 what I sometimes do then or why 00:08:45.17000:08:45.180 generally do hard duty screws take this 00:08:48.05000:08:48.060 whole domestic hot water flow switch off 00:08:50.32900:08:50.339 and I'll manually move the pin behind it 00:08:52.79000:08:52.800 back and forth back and forth back and 00:08:54.14000:08:54.150 forth so try to clear on debris at the 00:08:55.79000:08:55.800 bother of our ceiling it doesn't often 00:08:58.82000:08:58.830 need that though so fingers crossed this 00:09:01.34000:09:01.350 one won't so I'm just putting water back 00:09:03.41000:09:03.420 in it in there 00:09:22.24000:09:22.250 getting there honey 8:45 right now so 00:09:26.60000:09:26.610 we're filming and doing it is taken 15 00:09:30.38000:09:30.390 minutes hopefully it doesn't leak I know 00:09:34.01000:09:34.020 we do safety checks hopefully the board 00:09:35.84000:09:35.850 is okay remember I've pumped the best 00:09:46.07000:09:46.080 salt okay sorry that borrow a quarter 00:09:55.76000:09:55.770 I'll run it I'll get the air out of it 00:09:57.80000:09:57.810 should set that bar I don't generally 00:09:59.87000:09:59.880 run board is this a brand new at a bar 00:10:01.70000:10:01.710 on Hoss 00:10:02.24000:10:02.250 everyone especially not no performers 00:10:04.64000:10:04.650 like this is Donna star leak on that 00:10:07.25000:10:07.260 pump they often leave their mo rings at 00:10:08.90000:10:08.910 the back so I yeah play it safe popped 00:10:18.50000:10:18.510 it back in you can't really see that 00:10:29.99000:10:30.000 I would do the heating and just say now 00:10:39.88900:10:39.899 I've already got my you guys on there 00:10:54.07000:10:54.080 and I sure we get that sorted once we 00:10:56.01900:10:56.029 got there yeah 00:11:03.78000:11:03.790 and the only valve attached underneath 00:11:06.07000:11:06.080 here was this one the mains water valve 00:11:12.78000:11:12.790 I'll just give that pump a blade and 00:11:16.03000:11:16.040 we're running the heat and right now 00:11:19.98000:11:19.990 give that pump a blade and we do some 00:11:22.39000:11:22.400 tests 00:11:37.81000:11:37.820 mr. fraction over there nothing to be 00:11:40.58000:11:40.590 concerned about so let's see what the 00:11:50.54000:11:50.55000:11:55.09000:11:55.100 perfect 00:11:57.01000:11:57.020 let's check the divert turn that right 00:12:02.26900:12:02.279 down the fraction up lay lose what they 00:12:05.66000:12:05.670 hate them the down the flow once this 00:12:08.69000:12:08.700 gets cold I'm gonna run that hot tap 00:12:11.03000:12:11.040 again hopefully this pump to the calm 00:12:15.41000:12:15.420 down once it gets cold I'll uh run the 00:12:18.29000:12:18.300 hot tap again we'll see where we go from 00:12:21.01900:12:21.02900:12:21.61000:12:21.620 okay so I left that turned right now 00:12:24.56000:12:24.570 I've got the boiler cool this pipe is 00:12:26.63000:12:26.640 now cool and then I run the hot tap and 00:12:29.63000:12:29.640 I'll turn the boiler on 00:12:30.68000:12:30.690 so it's Happy's running what this pipe 00:12:33.71000:12:33.720 called I've throwing it on for heating 00:12:36.92000:12:36.930 and keeping this low and the moment they 00:12:38.90000:12:38.910 went to fire I just turned it off 00:12:40.94000:12:40.950 because I knew it was cold enough turn 00:12:45.89000:12:45.900 it on for hot water I'll hold this pipe 00:12:53.03000:12:53.040 let 00:12:59.84000:12:59.850 the 00:13:03.93000:13:03.940 it stayed cold to do the combustion 00:13:06.75000:13:06.760 alysus as well 00:13:10.97000:13:10.980 let's have to tear the rubbish there 00:13:21.84000:13:21.850 pipes cold so we fixed that doesn't 00:13:25.05000:13:25.060 either diver was just the plate I 00:13:26.90000:13:26.910 remember even if this does get hot then 00:13:29.46000:13:29.470 I would then take off the front water 00:13:32.10000:13:32.110 section that the mess Cold War flow 00:13:34.25000:13:34.260 sensor bit of the diaphragm I take that 00:13:36.45000:13:36.460 bit off and move that spindle back and 00:13:37.95000:13:37.960 forth and use you don't fix it this is 00:13:40.14000:13:40.150 fixed this is not going hot at all 00:13:41.85000:13:41.860 avoidance it's 60 degrees and as you can 00:13:44.28000:13:44.290 see I can hold this with no problem at 00:13:47.22000:13:47.230 all 00:13:47.54000:13:47.550 it's not hot at all and on budget ratio 00:13:53.24000:13:53.250 so that's all good 00:13:56.45000:13:56.460 pumps quiet and down so this is all 00:14:00.06000:14:00.070 fixed let me show you what I used here 00:14:03.68000:14:03.690 the spirits the salts and grease 00:14:10.94000:14:10.950 screwdrivers a gauge a pump for the 00:14:16.89000:14:16.900 vessel and my analyzer that's it that's 00:14:23.46000:14:23.470 not a lot of times is it that's all 00:14:25.25000:14:25.260 that's all it was leaving an LDS I 00:14:30.54000:14:30.550 almost forgot to use that 00:14:39.87900:14:39.889 you
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