Allard EB120 - Manual (Page 9)

EB120 Advanced Ethanol Boiler 9
drain valve opens (drain indicator LED green).
(9) You can also drain the boiler manually by pressing the drain key when the system has stopped
heating. The drain indicator LED will indicate as red during this operation.
(10) Once you have set the temperature required, the boiler will operate on all heating elements until the
temperature is 4 degrees below the target temperature. Once the system is in full operation, the
computer maintains the boiler temperature and it will selectively turn on or off heating elements as
required. This approach helps to minimize the power consumption during operation.
(11) The pump switch on the remote operates a relay on the EB120 circuit board. This can be used to
control an external pump in your system. The maximum voltage that can be used through this relay
is 120V, 5A.
(12) Use the Enter key to change the temperature display between and and also to confirm the
time and temperature setting.
Setting Time and Control Temperature
When the EB120 leaves the factory the default settings are 173 degrees Fahrenheit and 4 hours of
operation. These can be adjusted as follows;
(1) Time setting : press “set” key – the time display will flash - press
to adjust the time,
each press will increase or reduce 5 minutes. Once the desired setting is reached, press “enter” to
accept, and the time display will stop flashing. You can adjust from the time from 15 to 240 minutes,
or operate the unit with no time limitations or continuously. Note the controller has a memory
function, and if the power cord is not disconnected, the next time you turn on EB120, the time you
selected will be the default time.
(2) Temperature setting: if you press “set” once after you finish setting the time or otherwise twice the
temperature display will flash, enter the required temperature by pressing to adjust -
every press will increase or reduce 1 degree. nce the required temperature has been set, press the
“enter” key and the temperature display will stop flashing.
Steam on Demand function
To activate the steam on demand function, first preset the desired control temperature as described
above, then press and hold the drain key for 5 seconds, L4 will turn red and the time displays “LONG”
indicating that steam on demand is operational.
Once the steam on demand function has started, the unit will operate for 30 minutes, and then stop until
the function is started again.
Note that the auto drain function will operate every time the steam stops.
Adjusting the water flow control for the cooling coils in your distillation column