【Product features】
1、Microcomputer temperature control, easy to operate.
2、Automatic temperature control and energy saving, quick start cooling (less than five seconds).
3、Mute design(Less than forty-five DB).
4、Suitable for sea water, fresh water and low pH environment.
【Product profile】

1•Mute low energy design.
2•Simple operation settings.
3•Temperature display at a glance.
4•Fresh water tank,Aquatic pond,Seawater tank.
【Usage method】 The utility model needs to be matched with a filter bucket or a water pump, and is directly connected with a water pipe which is arranged in the water circulation.
【Matters needing attention】
1.Transport,installation,maintain please handle with care.
2.The machine and the surrounding space to maintain the distance of ten cm or more, in order to facilitate the flow of heat dissipation.

3.This product is marked for twenty liters of water. Use refers to the water temperature (before refrigeration) at thirty degrees, no high power light (LED light except) the premise and the submersible pump in the water cooling, water can be reduced to twenty-five degrees. If the water temperature (before refrigeration) in more than thirty degrees, or have high power light (LED light and heat pump except) to the tank water, please use twenty liters of water, the lights and the pump power is greater, the higher temperature (cooling before), the applicable water is smaller.

【Operating instructions】
Button description ：SET Button to set key and also to add ；C/F button is Fahrenheit and Celsius conversion key.

In the case of the actual temperature display press the SET button, the settings below digital flicker (below the set temperature, flashing) then SET (+) C/F (-) to a set temperature required for the complete set lights automatically confirm three seconds back, the controller according to the set temperature automatically executing relay on-off, the thermostat the rated output of 12V20A relay, to meet a variety of high power, please make sure that the correct line.
Under normal working conditions, short press C/F (-) keys can be switched between degrees Fahrenheit and centigrade.

Under normal working conditions, long press the SET key for five seconds to enter the main menu settings, press SET (+), C/F (-), you can select the P1-P8 mode, confirm the mode, while holding down SET (+), C/F (-) into the mode setting parameters. At this time the digital flash, and then through the SET (+), C/F (-) button to adjust the parameters of the size of three seconds after the automatic save and exit. Set complete.