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10-11-2011, 02:08 AM | #1 (permalink) |
Join Date: Oct 5 2008 Location: Wa
Posts: 172
Rep Power: 16 | Dr Mueller sunstorm I have a salon I do work for and they are having a cooling problem with a sunstorm they put in (used). The room is not hot when in use and its on a 4 min cool down, but the facial acrylic warps/warping. I also noticed they are not using a buck booster. I believe its a 208 setup and can't believe none of their beds are on buck boosters. I would tend to believe that it would run alot lower than if they had a buck booster on it. Also what kind of facials do they run? I know its 1000 watt but I have not idea, wired not wired etc. Greg |
10-11-2011, 06:38 AM | #2 (permalink) |
Team TanTalk Join Date: Aug 27 2002 Location: East Coast Age: 56
Posts: 2,888
Rep Power: 22 | Re: Dr Mueller sunstorm 800-1000w wire leads. Check the rear white vents. Are they properly clipped? Are they cracked? Front cover on correctly? The entire unit must be sealed or it disrupts the airflow. That main fan should really be cranking...is it? |
10-11-2011, 08:38 AM | #3 (permalink) |
Guest Join Date: Apr 29 2001 Location: Stewartsville, NJ Age: 55
Posts: 3,121
Rep Power: 0 | Re: Dr Mueller sunstorm Is it vented out of the room? If not then vent it. 12" vent. Do not restrict size. If it is vented is it restricted? If so, remedy. If it is vented is it vented to the outside? If so, is there return air? If not then it is starving for air flow. When you do not have return air you get a vacuum in the building and the air flow stops. Think vacuum cleaner when you put your hand over the hose. What happens? The airflow stops but the motor keeps running and heats up quickly. Same thing happens to the bed on a bigger scale. |
10-13-2011, 02:38 AM | #6 (permalink) |
Join Date: Oct 5 2008 Location: Wa
Posts: 172
Rep Power: 16 | Re: Dr Mueller sunstorm It is vented out of the room and the covers are connected in the back. i guess i will look at the fan for the facials. it was fine (they bought it used) before it came here and has wreaked havoc on the new acrylic. |
10-13-2011, 07:03 AM | #7 (permalink) |
Team TanTalk Join Date: Aug 27 2002 Location: East Coast Age: 56
Posts: 2,888
Rep Power: 22 | Re: Dr Mueller sunstorm There are no fans for the facials. The unit operates with one main blower so anything not properly closed will cause a change in cooling. Go around the base of the unit and make sure everything is properly sealed. How far are you venting the unit? |
10-17-2011, 06:44 PM | #9 (permalink) |
Join Date: Oct 5 2008 Location: Wa
Posts: 172
Rep Power: 16 | Re: Dr Mueller sunstorm We made a custom vent that goes directly out the window and it's tight. Im not sure what the a/c system is but im sure its not enough. I just wanted to make sure it's not something I am missing. I've told them that they don't have enough a/c but you know how people like to argue with you. |
10-18-2011, 11:16 AM | #10 (permalink) | |
Guest Join Date: Apr 29 2001 Location: Stewartsville, NJ Age: 55
Posts: 3,121
Rep Power: 0 | Re: Dr Mueller sunstorm Quote:
Once that vacuum builds up then the airflow stops and the motor runs but no air moves through the bed and it starts to overheat. You will get an argument from everyone that can't comprehend this but it is fact and it is the main problem. To fix this you need to have a hole in the side of the building to let back in the same amount of air that is being sucked out. If you have other beds vented to the outside the the problem is even bigger and the evacuation happens even quicker. If you are in a humid area then your A/C will work even harder too. A/C must dry the air first then it cools it. It doesn't actually cool it, it transfers the heat from one side of the building to the other through a heat exchange process. Not going to get too deep into that right now. The best solution is to vent the beds inside but not in the room. venting them inside the building will not create a vacuum and will not require you to bring in humid air which must also be processed by A/C. The air coming out of the bed is dry so it is easier to cool it than to cool humid air from outside. So, the solution is to add more A/C, vent the bed to the inside such as into the drop ceiling and indirectly vent that heat out of the attic space with a gable fan and return air inside the attic space. This method will not directly couple the bed to the outside and the exhaust fan will only be used intermittently to remove heat from the space above the ceiling. This will keep a vacuum from generating and the bed will get proper CFM airflow and not overheat provided that the A/C requirements are met. Fans move air, A/C cools air. One ton of A/C is required for this bed. Rule of Thumb: 1 ton is 12,000 BTU Regular 100 watt beds av. 30 lamp need .5 tons of A/C each small VHR needs 1 ton each large VHR needs 1.5-2 tons each High pressure beds need 3 tons each on top of that you need A/C for the amount of square footage in your space. 1 ton per every 400 square foot is required. The A/C unit that cam with your space is what was sized for the space without tanning beds. Once you add additional heat load then you add more A/C. There is no getting around this. | |
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