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11-09-2008, 03:18 AM
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#1
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Senior Member
Newmar Owners Club
Join Date: Sep 2006
Location: Edgewater, NJ-Now touring the USA
Posts: 926
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Need some advice. Turned heat pump on the other day and small pieces [1/16th of inch] of compacted dust came out of the ducts.
Is there some type of way to clean the ducts and the heat pump fins of this dust or is it back to the dealer.
__________________
2005 KSDP 3910-----2007 Jeep Liberty
THE MIND IS LIKE A PARACHUTE, IT MUST BE OPEN TO WORK 
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11-09-2008, 03:18 AM
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#2
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Senior Member
Newmar Owners Club
Join Date: Sep 2006
Location: Edgewater, NJ-Now touring the USA
Posts: 926
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Need some advice. Turned heat pump on the other day and small pieces [1/16th of inch] of compacted dust came out of the ducts.
Is there some type of way to clean the ducts and the heat pump fins of this dust or is it back to the dealer.
__________________
2005 KSDP 3910-----2007 Jeep Liberty
THE MIND IS LIKE A PARACHUTE, IT MUST BE OPEN TO WORK
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11-09-2008, 04:40 AM
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#3
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Member
Join Date: May 2006
Posts: 66
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Did you have the same dust with the AC ?
I am no expert on RV Heat Pump, but on the residential units I have owned. The air flow is exactly the same. The heat and cool is provided via a reversing valve on compressor.
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2005 DSDP 3810
370 ISL Spartan MM Chassis
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11-09-2008, 07:45 AM
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#4
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Senior Member
Newmar Owners Club
Join Date: Sep 2006
Location: Edgewater, NJ-Now touring the USA
Posts: 926
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No dust with A/C on this showed up when I put the heat pump on. I am wondering if the area that heats up has a built up amount of dust on it and is a problem that has to be cleaned.
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2005 KSDP 3910-----2007 Jeep Liberty
THE MIND IS LIKE A PARACHUTE, IT MUST BE OPEN TO WORK
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11-09-2008, 05:27 PM
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#5
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Senior Member
Join Date: Oct 2005
Posts: 883
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I think on the cool cycle the fins are moist from condensation. On heat they are dry.Maybe dust caked on during the cool cycle and is coming loose with the heat.
BOB
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11-09-2008, 11:46 PM
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#6
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Community Moderator
Gulf Streamers Club Country Coach Owners Club Appalachian Campers
Join Date: Mar 2000
Location: Chattanooga, Tn.
Posts: 8,263
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Bob is probably right. The evaporator has had time to dry and the dirt on the coil has come loose. You should be able to clean the coil first with a soft brush and vacuum cleaner. Then use a mild coil cleaner on it. The only way to get it out of the duct is to blow it out.
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Mike, Certified Master RV Technician
Amy, RV Merchandiser; Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser w/ Banks & 2 toads
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11-10-2008, 03:52 AM
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#7
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Senior Member
Newmar Owners Club
Join Date: Sep 2006
Location: Edgewater, NJ-Now touring the USA
Posts: 926
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Thanks for the replies. The DW said 'no way are you going to mess with the A/C-heat pump" so I guess I'll have to go for service.
__________________
2005 KSDP 3910-----2007 Jeep Liberty
THE MIND IS LIKE A PARACHUTE, IT MUST BE OPEN TO WORK
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11-10-2008, 05:10 AM
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#8
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Senior Member
Join Date: Oct 2005
Posts: 883
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Keeping the filters clean and in place should prevent the dust from getting to the coils in the first place.That's their job.
BOB
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11-11-2008, 03:50 AM
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#9
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Senior Member
Newmar Owners Club
Join Date: Sep 2006
Location: Edgewater, NJ-Now touring the USA
Posts: 926
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Thanks for that great advice BOB,  but I have spare filters that get changed out every 2 weeks and in some parts of the country more offen.
__________________
2005 KSDP 3910-----2007 Jeep Liberty
THE MIND IS LIKE A PARACHUTE, IT MUST BE OPEN TO WORK
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11-11-2008, 04:25 PM
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#10
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Member
Join Date: May 2006
Posts: 66
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read & learn,
I use electrostatic filters for my 05DSDP. I purchased electrostatic filter material for a window unit and made my own filters including an extra set.
I feel like it does a better job of trapping dirt than the foam Newmar filters. The down side is that they are probably a little more restrictive. So far no problems.
__________________
2005 DSDP 3810
370 ISL Spartan MM Chassis
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