Auber Instruments EZboil DSPR310D Instruction Manual - Page 5

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AUBER INSTRUMENTS

Note 1. Input offset: Pb

Pb is used to set an input offset to compensate the error produced by the sensor

or input signal itself. For example, if the controller displays 2ºC when probe is in

ice/water mixture, setting Pb = -2.0, will make the controller display 0ºC. The

resolution for Pb is 0.1 ° C or ° F. It can be used to match its reading with other

higher resolution thermometers.

Note 2-1. Temperature unit setting: C-F

C-F determines the temperature unit. It can be set to C (Celsius, ˚C) or F

(Fahrenheit, ˚F).

Note 2-2. Power up settings: PuS

PuS determines the SSR power output status when the controller is powered up

for both mashing and boiling modes. It can be set to inst (instant power-up) or

dely (delayed power-up). If PuS is set to dely (by default), the bottom display

will flash "stop" when the controller is powered up. The output is disabled. Press

key A momentarily to start the program and enable the output. If PuS is set to

inst, the program will be started when the controller is powered up. The output

is enabled at same time automatically.

Tip: After you switch between mashing and boiling mode, the program will be

stopped and bottom display will be flashing "stop".

6.2 Mashing Parameters (MASH)

Parameters the configure the step mashing control are grouped under this menu.

Table 2. Step mashing mode parameters.

Step Mashing Mode Parameters (MASH)

Display

Code

Description

Mashing timer

tSP

starting temp.

Mashing ending

options

oScr

Overshoot correction

oScr

Mashing acceleration

mOUT

mout

output power

AttE

Attenuation constant

AttE

Note 3: Mashing timer starting temperature: tSP

This parameter is defined as the temperature difference between the measured

temperature (PV) and set temperature (SV), or deviation from the set point. Its

default value is 1 degree. It means when program finished current step and start

to heating at the maximum output power set by parameter mOUT (see note 5-2)

to reach the next step, the timer will not start to count until the temperature is

one degree below the set temperature of the next step. When the controller

finished current step, the controller will make two short beeps, and another two

short beeps after a second. Then, the controller will turn the heater to full power

to reach the next set point.

During the heating up process, the bottom display will flash between the step

number and set temperature alternately. The top display will display the current

temperature. When the reading temperature reaches one degree below the set

point, the controller will make three short beeps. Then the top display will start

to display the current temperature and the remaining time for the current step

alternately. In other word, the timer for step mashing mode is countdown timer.

Note 4: Timer Function: tSP, EO

When the program is "end" (please check section 5.2.2 for the difference

between "end" and "stop"), the controller will generate six long beeps. The top

display will switch between the current temperature and "End" alternately. After

timer ends, the power output can be configured either to continue heating, or

shut off. It is controlled by the parameter called ending options for step

mashing mode, EO. Set it to ON for continue heating, set it to OFF to turn off

the output.

2018.08

Initial

Setting Range

Remark

Setting

-999~+9999 ° C

Note 3

or ° F

ON, OFF

OFF

Note 4

Note

-50~+50

5-1

Note

0 ~ 100

100

5-2

Note

-2~+2

5-1

Note 5-1: Temperature Control Tuning Parameters: oScr, AttE

The mashing control mode utilizes AI algorithm instead of the commonly used

PID or ON/OFF control algorithm. The program is optimized for beer mashing.

For most system, there is no need to tune. It allows the system to heat up at

maximum speed, then hold the temperature stable with one-degree precision. If

you are not satisfied with the control result, these two parameters will help you

to fine tune the system. The overshot correction, oScr is for adjusting the

temperature overshot during the initial heat up. For example, if the temperature

overshot 3 degrees, set oScr = 3 to remove this overshoot. Some users may

want to set oScr as negative number to purposely force a temperature overshoot,

which can reduce the temperature response delay between the HLT and MLT.

Please note oScr only affects the initial heating phase and also the transition

phase between steps. It has no effect if the reading temperature is already

settled at the current set temperature.

The attenuation constant, AttE is for adjusting the temperature stability during

mashing. The value is from -2 to +2. The default value is 0. If the temperature

fluctuates more than one degree, user can increase the value. If the controller

takes too much time to correct the temperature drop, user can reduce the AttE

to make the system more responsive.

Note 5-2: Mashing acceleration output power: mOUT

EZboil accelerates heating speed of the initial heating phase by running the

heater at high power, then reduce the power once the temperature is getting

close to the set temperature. The heating acceleration in mash mode is

controlled by mashing acceleration output power, mOUT. It is the power used

during initial heating phase and also the transition phase between steps. The

unit is in percent of power from 0% to 100%. It should be set to 100% unless you

want to manually adjust/reduce the power output during the initial heating phase.

(For example, if you have a very powerful heater with very small amount of liquid.)

Mashing timer

starting temp.

Mashing ending

options

Overshoot

correction

Mashing acc.

output power

Attenuation

constant

End

Figure 7. Flow chart of setting mashing parameters.

6.2 Step program settings for mashing (PROG)

Parameters for the step profile of mashing mode are grouped under this menu.

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goto

mash

Knob

Press

Tsp[

151

Knob

Press

off

Knob

Press

oscr

Knob

Press

mout

100

Knob

Press

atte

Knob

Press

100

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