This will also me noted within the manual. There is a black cap on the back of the head unit, be sure the unit is off and cooled before proceeding. Remove the cap, and press the red button underneath, be sure to replace the cap before operating.
The frying basket that comes with this Adcraft single tank countertop fryer is 7 1/4" x 8 1/4" x 4 1/2". Whether it will or will not hold 6 pieces of chicken depends on the sizes of the chicken breasts/strips you are using. The tank holds up to 6 liters of oil and has a cooking capacity of 15 pounds per hour.
This fryer will easily heat the oil to the maximum temperature range of 375°.