before you have the capillary tube and thermobulb in its final position.
Once thermobulb and capillary are
in their final position, you are ready to secure the thermobulb and capillary tube in place.
13 Coat the outer threads only of the 3/8” hex pipe plug (the large plug) with Teflon pipe sealant. Thread this hex
pipe plug into the weld coupling securely.
14 Slide the brass ferrule into the recessed center of the 3/8” hex pipe plug (brass ferrule is located on the capillary
tube in between the large and small hex pipe plugs).
15 Once the brass ferrule is in place, engage the threads of the small hex pipe plug into the internal threads of the
3/8” hex pipe plug until it stops.
Caution: Do not loosen this connection after it has been tightened down,
doing so will cause kettle jacket to leak.
Caution: Do not use Teflon sealant on this connection.
16 Replace access panel and secure in place.
17 Refill kettle with pure distilled water.
Heating Element Replacement
To replace a heating element, disconnect the leads of the defective element at contactor. Unscrew the defective
element from its coupling. Install new element in coupling and reconnect wires to the contactor.
Make sure all covers are replaced after all repairs are completed.
Trouble Shooting
The
TT-TT2/3J-T-E20QT and TT-TT2/3J-T-E40QT
kettles are designed to operate smoothly and efficiently if
properly maintained. However, the following is a list of checks to make in the event of a problem. Wiring
diagrams are furnished in this manual. If an item on ths list is followed by an asterisk (*), the work should be done
by a qualified service or maintenance person.
Symptoms
What to check for
…
Kettle will not heat, pilot light will not come on
That the power supply is on
For loose or broken wires
Thermostat functioning properly*
Contactor functioning properly*
Automatic low water relay engaged, amber light should
be on if this has happened
Kettle continues to heat after it reaches desired
temperature
Thermostat setting. Turn it down if too high
Thermostat functioning properly*
Contactor, to determine if it is de-energized*
Kettle does not reach desired temperature
Thermostat setting. Turn it up if too low.
Thermostat functioning properly*
Check for air in kettle jacket, refer to Kettle Venting
Instructions
Heating elements for ground short or open (burned out)
element.*
Thermostat functioning properly*
Contactor functioning properly*
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