From the product description, check product page for current description, price and availability:
The Keg Land Dual Controller features dual plugs so you can control both a cooling unit and electric heater at the same time, via the separate heat and cool plugs in the bag of the unit. For example, get a chest freezer or refrigerator, and put a Brewer’s Edge Space Heater inside the refrigerator. Plug both the Space Heater and Refrigerator in the Heat and Cool plugs on the back of the control, and set the temperature for 55° F. The Keg Land Controller will turn on the refrigerator when the temperature gets warmer than 55° and then turn on the Space heater if the temperature drops below 53° or so (depending on the delay you have programmed in). Many things can be controlled: wine cellars, fermentation areas, mash temperatures, green houses, pet enclosures, and more. This 110 volt unit has a 30 amp cooling relay to handle large refrigerators, and a 10 amp heating relay to handle heating appliances up to 1100 watts.
It can also be programmed to step temperature up or down over a period of time (up to 12 separate steps). For optimum fermentation conditions using a chest freezer or refrigerator you can program the Keg King to start fermenting at one temperature, increase the temperature after a number of days and then crash chill. This is done without any intervention at all. Just program the control and forget.
You can also use this to increase the temperature of your electric mash tun so it will automatically step the temperature up and down as you please during a time period your specify.
Distillation mode is included, which means it will only heat cycle the unit once. What this means is if you set the temperature to 202° F., it will heat until it reaches 202° and then turn off, sounding an alarm to let you know the heat has been turned off. This can be handy with electric distillation and other uses when constant monitoring is not what you want to do. The probe is only 4mm in diameter, which means it will fit in the thermowell of both our items C74 KegLand Pot Still Column and C75 KegLand Reflex Still Column. Keep in mind the 1100 watt limit on the heat relay in this unit, so this cannot be used with something like a Turbo 500 Boiler that does not have power settings, although it can be used with a Mash & Boil, Grainfather, or Brewzilla that has a lower 1000 or 1100 watt setting.
Other features include an adjustable differential, adjustable delay between the start of cooling and heating, or between the start of heating and cooling, cooling start delay, Centigrade and Fahrenheit modes, and adjustable high and low temperature alarms.
Unlike the more intuitive Uni-Stat, all features are accessed through programming; see the instruction pdf below for more details. In other words, this unit is best for someone who does not mind going through a few programming menus to get set up. Includes a 6’ waterproof probe cord with stainless probe tip, and a 4’ power cord. The stainless probe fits in all the thermowells and stills we sell, and is 3.9mm in diameter.
A common question we get is how to set the Dual Controller to Fahrenheit. To do this, follow the steps below:
1. First hold the lower right set key down for about 6 seconds until it flashes E3.
2. Then press the lower right set key 9 times to get to C1
3. Then press the upper left arrow button once to change the display to 01
4. You will see 01 displaying for a few seconds and then it will return to display the temperature in Fahrenheit.
KNOWN BUG: The software for this unit has a known bug. When the unit is set to Fahrenheit, it works in Fahrenheit but a small c is displayed, like it is Centigrade mode, on the upper right part of the display. However, the setting is Fahrenheit, and the unit will stay in Fahrenheit mode even if the unit loses power. Also, in Fahrenheit, the unit can only be set to a maximum temperature of 200° F., so if you are using it for distillation mode and want the unit to shut off at say, 203° F. instead of 200° F., you will need to switch to Centigrade so you can program to 95° C which is 203° F.(in Centigrade, the unit can be set to a maxiumum of 99°).
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