Salt Bath 709 / 718 / 818
Installation and Operating Manual
North American Model
June 2019
Page
19
of
36
The TAP display will indicate that you are using the Immersion thermocouple via the screen.
You’ll note in the Kiln Temp row that “Imm…” is displayed. This
indicates that the Immersion thermocouple is being used for control.
After about 10 minutes of screen inactivity a large text
screen appears and “Immersion” is prominently displayed.
You may switch back and forth between the Chamber and Immersion thermocouple whenever and as often as you want. We would expect that you would
leave it on Immersion during your process but the choice is there if you want it.
Charging Complete
Once all salts have been added the initial charging process is complete. You may at this point perform a heat treat process or shut the salt bath kiln down. If you do
plan to perform a heat treat session please read the following section entitled Standard/Everyday Use for operational information.
Proper Shutdown
When shutting down the salt bath heat treat kiln we highly recommend that you remove the Immersion Thermocouple from the salt bath before the salt solidifies.
Our testing indicated premature thermocouple failure if we left it in the salt as it cooled. It tended to fail (break) right at the level of the salt.
Throw the control power switch, located on the top rear of the control panel, to the Off position. The display on the TAP will go dark.
Keep in mind that the salt, salt pot and kiln will remain hot for some time following shutdown. Use care when working around the kiln.
Cover the top of the salt pot with the supplied 12” x 12” x 1” refractory fiber. Use a dust mask and gloves when handling the fiber as it will create some dust. The fiber
prevents foreign material from entering the pot during periods of non-use.
Refractory Fiber Placed over the Salt Pot
Replacement Part #06423.300
