To chill or not to chill...
- Thread starter Bullet
- Start date
leeweber85
New member
^ ^Yeah, I would just make it so the chiller doesn't come on unless it rises over 81.5 or 82.
rc1214b
New member
It almost looks like your heater is set to turn on at around 79.8 and it takes it up to 81, then your chiller is set at 81 and it turns on to cool it, I agree that changing the settings would help. I know running a chiller on/off that frequently isn't good on them. I think your setting on your controller has the chiller/heater too close temp wise.
rc1214b
New member
Well after thinking about this on my way home from work and looking at that graph again I hope you say you have a heater on your tank! If you don't then there must be some serious wattage on that frag tank overnight. 
The reason I'm thinking it's a chiller/heater setting issue is that your water heats up at the exact spot your chiller stops according to that graph. If it was your lights it wouldn't have leveled off like it did when you disconnected the chiller. By the way only a 2 tenths rise with halides is sweet.
I agree with atticus about trying to get a graph again tomorrow. See how much of a swing you have by equipment/lights during the day. If it gets above what your comfortable with then turn on the chiller but I really doubt it will, especially now that it's cooler out. When you see your natural swing take the hottest it got and if your happy with that have your chiller turn on at .2-.5 higher. Then take your lowest setting and if your happy with that have your controller stop the chiller around that temp. Have your heater come on only if it gets below your comfortable zone and run just enough to get it back into the lower middle, not up around your chiller turn on temp. I assume your using the aquacontroller since I don't think any chiller's internal computer is able to control itself that closely.
The reason I'm thinking it's a chiller/heater setting issue is that your water heats up at the exact spot your chiller stops according to that graph. If it was your lights it wouldn't have leveled off like it did when you disconnected the chiller. By the way only a 2 tenths rise with halides is sweet.
I agree with atticus about trying to get a graph again tomorrow. See how much of a swing you have by equipment/lights during the day. If it gets above what your comfortable with then turn on the chiller but I really doubt it will, especially now that it's cooler out. When you see your natural swing take the hottest it got and if your happy with that have your chiller turn on at .2-.5 higher. Then take your lowest setting and if your happy with that have your controller stop the chiller around that temp. Have your heater come on only if it gets below your comfortable zone and run just enough to get it back into the lower middle, not up around your chiller turn on temp. I assume your using the aquacontroller since I don't think any chiller's internal computer is able to control itself that closely.
Bullet
New member
I know exactly what is going on. It is not in my programing. I have my heater to not turn on until 78 deg. What is happening is that the chiller puts out so much heat into my fish room it is heating the water. My whole basement is cooler this morning. Also, I use a mag 7 to feed the chiller. Yesterday to clean it out I put the input and the output into a 5 gallon bucket of water. That water is now 90 deg! I think that mag pumps put out a lot of heat. I use a mag 9 to do my waterchange so I can leave it mix overnight and it gets mixed and heater.
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