Setting Expansion Valve On V3

Setting Expansion Valve On V3


Calibrating Expansion Valve on Espresso V3


Objective:
Expansion valves should be replaced as part of your preventative maintenance cycle. The style on the V3 and Steam X require calibration after installation.

Time:
15 minutes

Tools:
1/2" fitted wrench
Microfiber towel
Blank portafilter  

Parts:
46000-50110 Expansion Valve
46000-50150 Gasket, 1/4", Copper

Procedure 
Read through instructions before carrying out procedure.

Step 1:
Insert blank portafilter into group. 

Step 2:
Actuate to Full Brew position. Adjust pump pressure to 11 bar using the bypass adjustment on the pump.
Refer to brew gauge while adjusting the pump.

Step 3:
Locate expansion valve on the pre-heat tank. Place your microfiber towel below for safety purposes in case of water leaks.


Step 4:
With maximum intervals of 20 seconds, actuate the group to full brew with a blank portafilter installed. 
Adjust the expansion valve until it releases one drop every 3 seconds. If it is not releasing water, turn counter-clockwise. If it is releasing too much water, turn clockwise.


Step 5:
Once the spring pressure is set, adjust the pump back to 10 bar. The expansion valve should not leak at 10 bar. It should now only leak when the brew boiler is heating to allow for thermal expansion.



    Questions or concerns? Please contact: support@slayerespresso.com
    To order parts, click here.



      • Related Articles

      • Setting Expansion Valve - Steam LP

        Calibrating Expansion Valve on Steam LP Objective: Expansion valves should be replaced as part of your preventative maintenance cycle. The style on the Steam LP is pre-set to 11bar, but can occasionally require adjustment. Time: 15 minutes Tools: ...

      • Setting Expansion Valve on Steam X

        Calibrating Expansion Valve on Steam X Objective: Expansion valves should be replaced as part of your preventative maintenance cycle. The style on the Steam X and V3 require calibration after installation. Time: 15 minutes Tools: 1/2" fitted wrench ...

      • Setting Brew Pump Pressure, Single Group

        Setting Brew Pump Pressure, Single Group Press the Circle to enter programming Scroll to brew pump pressure Press circle to bracket pump percentage Install blind portafilter Turn on full brew Increase percentage until the bar pressure on the gauge ...

      • Setting Rotary Pump on Single Group (January 2020 or later)

        Setting Rotary Pump on Single Group (January 2020 or later) Tools Needed: Flathead screwdriver, Phillips head screw driver, or multi screwdriver (photo) Time Needed: 10 Min Press circle to enter into programming Scroll to pump percentage, confirm the ...

      • Pump Port Test, Single Group

        Testing Pump Port on Circuit Board Time Needed: 10 Minutes Tools Needed: #2 Phillips Screwdriver                           Multi meter Step 1: Get to the Circuit Board Remove the cup tray Unscrew the two screws below the display and rock back the ...