Blodgett KTT-20E - Manual (Page 6)

6
2.0 INTRODUCTION
DESCRIPTION
Models KTT-20E (20 gallon capacity) is electrically powered, self-contained, tilting kettles. Each
model has a jacket of double-wall construction forming a sealed reservoir around the lower two-
thirds of the kettle. The reservoir is charged with distilled water. Kettles are equipped with a
“clean lock” to hold kettle in cooking position or 105 degrees for ease of cleaning, removable
electric heating element and controls, including a low water cutoff device for protection of the
heating element. All models are of identical construction, except for kettle size and element
heating capacity.
BASIC FUNCTIONING
Self-contained kettles operate by generating steam in the kettle reservoir. The sequence of
operation is as follows:
1. Operator turns the power switch to the ON position and sets the temperature control dial at
the desired setting from 1 to 10 (90°F to 285°F, 32°C to 140°C, jacket temperature).
2. Control circuit is normally completed to the temperature control if the following conditions
exist:
a. Water level in the kettle reservoir is adequate to prevent circuit interruption by the low
water cut off device. An activated cutoff is indicated by the amber low water light.
b. Kettle is in vertical position with circuit completed through the tilt interlock switch.
3. Thermostatic control contacts close to energize contactor coils.
4. Power is supplied to the elements through closed power contactors.
5. As the temperature of water rises in the kettle reservoir, increase in steam pressure is
indicated on the pressure gauge.
When the temperature of steam in the reservoir reaches the setting shown on the temperature
control dial, the temperature controller opens to break the contacts and shut off the heating
element. On/off cycles will occur as required to maintain temperature control.