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07-08-2020, 10:40 AM
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#1
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Senior Member
Join Date: Jul 2012
Location: Western New York State
Posts: 1,928
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Sunseeker AC Not Cold
Hello Forum'ers,
Good friends of mine have a 2013 Sunseeker C, 31 ft. and their rooftop AC is only blowing cool. It cannot cool down their rig in mid 80-degree temps. They had a friend come over that does HVAC work but was perplexed that there are now access ports or such to test the unit out. Any suggestions I can pass along to them from Sunseeker owners, or I guess RV'ers in general on what to look for. They called a couple of places in the Buffalo, NY area but it approaching mid-summer and everyone camping because of Covid-19, they were told weeks before they could get their rig in for a service call.
__________________
sherman12 and The Fabulous Miss Barb
2014 SportsCoach Cross Country 360DL DP
Former 2011 Georgetown 330TS
Kia Sportage on MasterTow Dolly
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07-08-2020, 11:08 AM
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#2
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Pickin', Campin', Mason
Join Date: Aug 2015
Location: South Western PA
Posts: 19,142
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These R/V rooftop A/C units are what are called 'sealed units' and have no service ports.
They are made to not be serviced easily.
There have been several lengthy threads recently on the pros/cons of adding a service port to check the freon level.
If it is a Dometic unit, several models were under a warranty replacement program.
Unfortunately, they are simply designed to be replaced.
__________________
2022 Cedar Creek 345IK 5th Wheel•Solar & Inverter•2024 Ford F-Series SCREW•7.3L•4x4•Factory Puck•B&W Companion•TST Tire Monitor w/Repeater•Sinemate 3500w Gen.
F&AM Lodge 358 Somerset, PA - JAFFA Shrine - Altoona, PA
Days Camped ☼ '19=118 ☼ '20=116 ☼ '21=123 ☼ '22=134 ☼ '23=118☼ '24=90
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07-08-2020, 12:35 PM
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#3
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Senior Member
Join Date: Jul 2012
Location: Western New York State
Posts: 1,928
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Sounds like something out of the world of camping. Thanks 5picker.
__________________
sherman12 and The Fabulous Miss Barb
2014 SportsCoach Cross Country 360DL DP
Former 2011 Georgetown 330TS
Kia Sportage on MasterTow Dolly
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07-08-2020, 12:37 PM
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#4
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Pickin', Campin', Mason
Join Date: Aug 2015
Location: South Western PA
Posts: 19,142
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Quote:
Originally Posted by sherman12
Sounds like something out of the world of camping. Thanks 5picker.
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Well... not only the world of camping... back in the day, my father made a very good living as an appliance repairman. Today they are simply delivery men for new/replacement units. It has become a 'throw-away' world!
__________________
2022 Cedar Creek 345IK 5th Wheel•Solar & Inverter•2024 Ford F-Series SCREW•7.3L•4x4•Factory Puck•B&W Companion•TST Tire Monitor w/Repeater•Sinemate 3500w Gen.
F&AM Lodge 358 Somerset, PA - JAFFA Shrine - Altoona, PA
Days Camped ☼ '19=118 ☼ '20=116 ☼ '21=123 ☼ '22=134 ☼ '23=118☼ '24=90
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07-09-2020, 08:10 PM
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#5
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Happy Camper
Join Date: Apr 2015
Location: Near Selma, Alabama
Posts: 153
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I added a service port to my main unit, serviced it back up and have enjoyed cold air for three years so far. Cost a lot less and easier than replacing the whole unit.
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07-09-2020, 08:33 PM
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#6
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Member
Join Date: Apr 2014
Location: upstate ny
Posts: 47
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Make sure to clean the coils + the fan blade's + filter
Some people over look the easy things
Do mine every year, sometimes twice
You can add service port's , a HVAC guy may charge a couple hundred , if you know him .more if it's a big company.
My 15000 btu unit will drop 20 degrees from outside temp .
95 out 75 in
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07-10-2020, 11:33 AM
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#7
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Senior Member
Join Date: Jul 2012
Location: Western New York State
Posts: 1,928
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Besides being able to do analysis, what do the service ports due? Is this to add freon, or whatever coolant is being used today?
__________________
sherman12 and The Fabulous Miss Barb
2014 SportsCoach Cross Country 360DL DP
Former 2011 Georgetown 330TS
Kia Sportage on MasterTow Dolly
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07-10-2020, 04:42 PM
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#8
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Member
Join Date: Apr 2014
Location: upstate ny
Posts: 47
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Yes the port's are to charge the system , or test for leaks .
If you have no freon in the sealed system you have a leak somewhere .
To find the leak you can look around the piping . if you see a oily substance it's your leak .
If you add port's to the system have a HVAC guy help you , high pressure in the piping . you can do a vacuum test with the new port's , if it stays at 500 microns or 1000 for a half hr. That would tell you no leak . well were did the gas go to in the first place .
If you add port's and you cut the pipe and there's a change in the system 300lb. you can get hurt bad , frozen fingers , lost of eyes , hire a HVAC guy . or buy a new a/c unit
To add port's and test + recharge could be half the cost of a new unit .
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07-10-2020, 09:58 PM
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#9
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Senior Member
Join Date: Jul 2012
Location: Western New York State
Posts: 1,928
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Super info guys I'll pass along to my friends.
Yesterday they got someone to look at their rig, waiting to hear from them if the problem was discovered or resolved
__________________
sherman12 and The Fabulous Miss Barb
2014 SportsCoach Cross Country 360DL DP
Former 2011 Georgetown 330TS
Kia Sportage on MasterTow Dolly
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07-10-2020, 11:04 PM
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#10
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Brake is on left
Join Date: Jul 2019
Location: USA
Posts: 1,095
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I had a unit replaced under warranty thankfully. They actually left the old unit in the garage of the TH. I bought saddle valves to pressurize the unit and find the leak at the evap coil. Brazed it closed and installed permanent service ports to evac and charge. So now I have a 15k unit ready to go.
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07-11-2020, 10:30 AM
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#11
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Site Team
Join Date: Nov 2011
Posts: 4,499
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Smarty! Don't you just love it when things go tour way?[emoji16]
Quote:
Originally Posted by The Evil Twin
I had a unit replaced under warranty thankfully. They actually left the old unit in the garage of the TH. I bought saddle valves to pressurize the unit and find the leak at the evap coil. Brazed it closed and installed permanent service ports to evac and charge. So now I have a 15k unit ready to go.
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