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Temperature control is one of the most important issues in tropical fish keeping. The challenge is to control the temperature of large volumes, such as a “Monster” tank or a battery with many tanks in recirculation.
In this video you will learn a very efficient way to do this using a stainless steel resistor, a temperature controller (in our case it is a COEL Z31) and a power meter (Auxiliary Relay) 220v 2 Pole 25a 2na.
Index
00:00 Introduction
01:00 Important notes
02:55 General idea
03:27 COEL Z31 controller
05:11 How powerful is the resistor?
05:36 Resistor type
07:13 Calculating the current
08:23 Do you need a contactor switch?
09:25 About the contactor switch
11:28 Recap
12:03 Building the model
14:35 Testing the system
16:05 Seeing it in practice
Materials required
01 Temperature Controller for Refrigeration COEL Z31 (or COEL Z31E).
01 Electric Resistance / Stainless Steel Heater (calculate power according to the volume to be heated)
01 Power Counter (Auxiliary Relay) 220v 2 Poles 25a 2na
01 Breaker Biphasic Sd C16 Steck
10 Pre insulated terminals Pin / Needle type
02 eye terminal for 2.5mm wire
2.5 meters of Cable 2 Ways pp 2x1,5 mm
1 meter of cable 1 Way 1,5 mm
01 passage box 12CM X 12 CM X 6,5CM