Heat given off from UV steriliser

[chocolate98]

I was wondering will UV steriliser cause the water to heat up? I noticed ever since I on my UV steriliser, my chiller will not be able to pull the temperature down to 26 degree Celsius. So will UV sterilisers give off a lot of heat? or how or when should I use the UV steriliser to prevent the temp from rising? I'm currently using the 24watt UV steriliser.

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[vincentwangz]

Are you having a temperature probe? If so, don't put the probe and the UV in the same compartment. It does give off heat as with any light source. However, it shd not spread throughout the entire tank unless your tank is small. In which case your UV would be overpowered.

Sofishticated Friend

[chocolate98]

ouh becoz I run the return pump through the UV steriliser then to the chiller

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[vincentwangz]

Haha well now we know why.

Sofishticated Friend

[chocolate98]

HahahaAlright thanks

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[deen]

Anyone care to explain what's wrong with the above set up ?

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[chocolate98]

I was wondering will UV steriliser cause the water to heat up? I noticed ever since I on my UV steriliser, my chiller will not be able to pull the temperature down to 26 degree Celsius. So will UV sterilisers give off a lot of heat? or how or when should I use the UV steriliser to prevent the temp from rising? I'm currently using the 24watt UV steriliser.

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[deen]

So I believe the uv sterilizer should be mounted before the chiller ?

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[chocolate98]

So I believe the uv sterilizer should be mounted before the chiller ?

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HAHAHA that's what I did but I didn't want to spend on another pump so what I did was to put a timer on the UV steriliser So the UV steriliser won't heat up the water too much

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[argonmt]

Simple way to gauge to guess how hot is your uv is look at the watt. imho, if less than 50, should be manageable by the chiller. Unless you have an under rated chiller which is unable to cool down fast enough 

[alons]

24W UV should not have any major impact on the temp in the tank.

The consideration for serial hook up  of the UV and chiller is the flow rates, chiller needs lower flow rate (~1000-1500l/h) compared to UV, especially if you keep a reef (flow should be 2-3 times higher).