Auber Instruments DSPR300 Manual de instrucciones - Página 2

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3.3 SSR output connection

The SSR control output of the DSPR300 provides a 12 VDC signal that can

control up to 5 SSRs in parallel. Connect terminal 7 to the positive pole of the

SSR (terminal 3 on Auber's SSRs). Connect terminal 6 to the negative pole of

the SSR (terminal 4 on Auber's SSRs). Please make sure the SSR is installed

on the heat sink with proper current rating.

4. Display Status

Power on

Display mode 1

100

Press down and

Hold for 5s

Exit

Knob

goto

Mash

Parameter settings

Figure 3. Display modes of DSPR300.

Display mode 1 (Normal operating mode): When power is turned on, the top

display window shows the current sensor temperature reading. When timer is

activated, the top display will be switched between the current temperature and

current time alternately. In mashing mode, the bottom display will show your set

temperature. In boiling mode, the bottom display will show your current output

percentage (e.g. P50 for 50% power output). Please check section 5 for how to

adjust set temperature/power.

Display mode 2 (Timer reset & Operation mode selection): This display

mode allows you to reset the timer, or to switch between the mashing and boiling

operation mode.

A short press of the knob will enter this display mode.

1) The display will show "rSt" on top and "n" at the bottom. This is the exit menu.

If you enter this mode by accident, you can press the knob again to exit this

display mode without changing anything.

2) Rotate the dial clockwise for one click will change the bottom display to "y".

This menu is to reset the timer. Press the knob will reset the timer. It has two

purposes. A) If you want to use the timer as regular timer without correlation to

the temperature, you can start the timer at any time by the reset button. B) After

timer is timed up and process ended, you can restart the process again by the

reset button instead of power off the system and power it on again.

3) Rotate the knob with two clicks, the top display will change to "Mode" and

bottom will show "Mash*". Rotate the knob again, the bottom display will change

to "boil". These two menus are for setting the controller to either mashing control

or boiling control mode. Press the knob will set the controller to the operation

mode displayed. Please check section 5.1 for details.

Display mode 3 (Parameter settings): Press down and hold the knob for 5

seconds to enter the display mode 3. Please check section 6 for details.

2021.05

Display mode 2

rst

Press

Knob

Exit

Timer reset /

mode selection

Display mode 3

Press

Next parameter

Knob

5. Operation

5.1 Operation mode selection

This controller offers two operation modes, mashing and boiling. When the

mashing mode is selected, the controller functions as a temperature controller.

It automatically adjusts the power output to hold the temperature at set point.

When boiling control mode is selected, the controller functions as a power

regulator. It allows the user to manually adjusting the power to control the

strength of the boil. Figure 4 shows how to select and switch between these two

modes.

Figure 4. Flow chart for timer reset & operation mode selection.

Press the knob once. The display will show "rSt". Rotate the knob with two clicks,

the top display will change to "Mode" and bottom will show "Mash*". Press the

knob will set the controller to mashing mode. When mashing mode is selected,

the yellow indicator on the top left corner of the panel will lit. This indicator will

be off if the boiling mode is selected.

Note: due to the limitation of 7 segment LED display, the letter "M" is displayed as "m".

5.2 Mashing Operation

When first powered up, make sure the controller is in the mashing mode: The

yellow colored mashing mode indicator on the upper left corner should be on,

and the bottom display has no "P" on the left. If not, please change the control

mode to mashing mode as discussed in section 5.1 above. If you were using the

controller in the mashing mode when powered off last time, the controller will

start in mashing mode.

After controller is powered up, the top LED displays the current temperature

reading from the sensor. If temperature sensor is not connected, it will show

"orAL". The bottom LED displays your set temperature. To adjust its value, just

rotate the knob. Once the value of the setting is changed, a small dot on the right

bottom corner will be flashing. It tells you that the setting has been changed but

not confirmed. After you adjust the temperature to the desired number, push the

knob to confirm the change. After confirmation, the new setting will remain on

the display and the dot will be turned off. If you forgot to push the dial, the display

will return to original set temperature after 2 seconds. The set point will remain

unchanged. This mechanism is for preventing temperature set point change by

accident.

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