PID Basic Settings - Slayer V3

PID Basic Settings - Slayer V3


PID Basic Settings - Espresso V3


Slayer recommends that all service be performed by an experienced Slayer Espresso trained technician.

PID or Proportional–Integral–Derivative controller (PID controller or three term controller) is a control loop feedback mechanism widely used in industrial control systems and a variety of other applications requiring continuously modulated control.

The Fuji PID controls brew tank heating on the Slayer Espresso V3.

PID UI Terminology & Navigation:
  1. SV: Set Value
    1. Press SEL to toggle between the group's set value temperature and the active reading.
    2. Set value is selected when SV is illuminated with a red light.
    3. Use up and down arrows to adjust brew tank temperature.
  2. C1: Heating Indicator.
    1. Group is actively calling for heat/maintaining temperature stability while green light is blinking.
Slayer PID Settings:

Step 1:  Turn OFF the high voltage breaker. Leave main power switch turned ON.

Step 2: Program PID

Hold SEL button until you see P and scroll to P-F. Use the SEL button to enter the value. Press the SEL button again to exit and scroll to next setting.
Set the values highlighted in yellow first!
Basic Fuji Settings
P-F
F/C
P-DP
1
P-SU
210 F / 98.9 C
P-SL
50 F /10 C
Pn2
1
rC
1
Hys
.2 F/ .1 C
 
 

Hold SEL to revert to main menu and press SEL one time to enter the set point. Set 200 for F and 93.3 for C

Step 3:  Autotune

Turn on the high voltage breaker and let the machine heat up. 

Run water through the groups for 10 seconds to verify full saturation.

Once the basic settings have been programed we must run Autotune to allow the machine to measure it's temperature stability against the set temperature. This takes up to 10 minutes.

Hold SEL until you see PROG (3 seconds). Scroll to AT and press SEL. Scroll to 1 and press SEL again and the machine will enter Auto Tune. The indicator light on the lower right will start blinking. 
Do not activate the groups while the machine is in Auto Tune
Once Auto Tune has finished, the P, I, and D values will be programmed to the controller. There are values are unique to the PID and group's heating circuit.

Calibrating brew temperature offsets:

To find the offset* (PUOF) you will need a Scace tool. The offset is the variance between the temp probe readings to the PID readings. For the best accuracy, run the group for 30 seconds with the Scace tool in to allow it to heat up.
  • Run the group head with the Scace tool for 30 seconds. Repeat X3.
  • On the third round, at 25 seconds, compare temperature on the Scace to the temperature on the PID
  • Adjust the POUF to reflect the difference between the Scace and PID
  • To adjust the PUOF, press and hold SEL until you see P.
  • Scroll to PUOF.

Questions or concerns? Please contact: support@slayerespresso.com

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