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I have tried to hookup a chill mat to my laptop and it will not take. Do I have to have a CD to input?

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This post does not belong in the A/C catagory.

Posted on Jul 15, 2008

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I need information ary model chiller fault,low water temperature

Hi,your question is not very clear though.
1Try to check the chilled water sensor(transducer for appropriate resistive values).
2.Check that chilled water is circulating at the correct pressure

Adamson (

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Wiring diagram for powerstat type 116

Note this is a variable autotransformer. It is NOT ground isolated.
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I believe you're on the right track. The coolant gas may be low or absent all together. Having it professionally serviced will determine if that's the problem and also determine if their is a leak in the coolant system. Or it may simply be the control knob that's used to set the cooling function is not working.

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We have just installed our 1.5kw split system model no: ASW-H12A4/SQCR1DIAU - error message comes up as E5

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Please check input of out door unit and contacor coil energized. if no power input correct it. If no power in contator coil, mat be the problem PcB thermostat command. Check your setting is 23 dgree and less than that and also mode in "Heat".

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Can i plaese have pictures for servicing evaprative air con roof mounted

No need for pics. The four panels with the matting come off by lifting/sliding the panel upand out towards you. The Matting rinses off with the garden hose removing accumulated dit. The pan can be washed out also. There should be no need to adjust the float, but make sure the pump is clean and submerged. The fan can be cleand, but is a messy job. Pt the matting panels in place ,bottom first and push in and dow. That's it, you are done.

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Can i us a wall mounted air conditioner to build a small cool room for chilling lamb

Hi, correct me if i am wrong, but you want to use a wall mounted a/c to chill Lamb or other foods? Well, air conditioners are considered De-humidifiers, and medium temp. units, so if you cleaned out this room and put in the right materials on the walls and ceiling, you would have to maintain a safe temp 38*F and use this product as I am not sure what the shelf life would be? Check the sq. footage and get a unit more than large enough to maintain this temp. I know on a walk-in Refer, health inspectors want these boxes to be maintained at 38*F, and you can't accomplish this without modern refrigeration equipment. To chill it for a short time, maintain that temp and keep for you're own use.

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Unit is running, but is no longer cooling. Fan is blowing, but air is not chilled (or cold). Unit has been running fine until a couple days ago. It has been turned off for the last 12 hours and tried...

not sure if it is a package system or a split but this is what you do.go outside where your outdoor machine is, after it has been shut off for awhile, and you should hear 2 distinct noises.1 is the outdoor fan, you should see it spinning.the other is a comppressor hum.some compressors have noise bags on them so listen closely thru the fan noise.if you hear no hum listen for a hum about every 2 to 5 minutes.if you hear this hum every so often, chances are you compressor is seized or stuck.the only thing to do there is get a tech and try a big boost to get it going.

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Warm air

A mechanical drawing of the system before installation (assuming an architect drew and approved the plans) should be at the malls office. Also the building inspectors office may have a copy of them.

The basics of chilled water are not too differant from standard HVAC with direct expansion - Air to Air systems.

If everyone else is having no trouble and are on cooling now I believe you may have a main valve closed but the handle may be showing it ts open. I woudl let the supers mechanic check this ans effect any repairs needed. It should be in your leas as to how to proceed with such items as this. If some stores are not on AC yet your piping may be on a 2 pipe system and the whole gbuilding has to either be on cooling or heating and you cant have both at the same time in a 2 pipe water system. This should have been disclosed to you at time of leasing though. Ask if the last tennants had AC trouble in the area you have. And ask if your system is 2 pipe or how many there are (up to 4 for each chiller / boiler system). A 3 pipe system is not uncommon and you could have both running at the same time in differant places but with reduced capicaty and higher utility bills so it is doubtable this is a 3 pipe system unless it is a really old building.

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1 Answer

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If the evaporator coil is only half coated with water, this means it is low on Freon. You need a repairman to fix the leak and add Freon, but this costs way over a hundred dollars.

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