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PostProcess Technologies, Inc.     •     www.postprocess.com     •     REV C  |  page 7

1. OPERATION

1.3.1  The FUNCTION Button

The 

FUNCTION (Fn)

 Button (shown below) allows the operator of the CENTI to access the functionality settings. 

The CENTI 

Fn

 Button is disabled if the machine is running in Auto Mode. Each time the 

Fn

 Button is pressed, it 

advances to the next setting. See the list below for corresponding settings.  If no further key is pressed after 15 

seconds the CENTI returns to a ready state.  If changes are made, but no key is pressed after 15 seconds the 

changes are saved prior to returning to a ready state.

• Press 

Fn

 (1X) once to 

Set Temperature

• Press 

Fn

 (2X) twice to 

Set Ultrasonics Time

• Press 

Fn

 (3X) three times to 

Set Ultrasonic Power

• Press 

Fn

 (4X) four times to 

Select Celsius or 

 Fahrenheit

• Press 

Fn 

(5X) five times to 

Set Degas Time

Pressing the 

Fn

 Button once from any setting 

advances the screen to the next function. The LED 

icon for each function will flash when activated.

Figure 4. Function Button

1.3.2  Setting the Target Temperature

Pressing the 

Fn

 Button once accesses the temperature control settings. Once this is 

initiated, the icon highlighted on the left of the display begins blinking. To adjust this 

temperature setting, use the “

UP

” and “

DOWN

” Arrow” as shown left until the desired 

temperature is reached.

The temperature displayed below the 

Set Temperature

 is the 

Actual 

Temperature

 of the detergent in the tank.  The icon to the right of the 

actual temperature reading is the 

Heater

 icon. When this is displayed, 

the heater is on and running.

WARNING

When operating the machine with PG1.1 detergent for SLA parts, do not allow the detergent temperature to 

exceed 110°F.

Summary of Contents for CENTI

Page 1: ...CENTI QuickStart Guide Automated Support Removal System PostProcess Technologies Inc www postprocess com REV C ...

Page 2: ...t cover is for illustrative purposes only and does not reflect actual dimensions WARNING CAUTION NOTE Draws attention to an operating procedure practice or condition etc that may result in injury or death if not carefully observed or followed Draws attention to an operating procedure practice or condition etc that may result in damage to equipment if not carefully observed or followed Draws attent...

Page 3: ...ibration 2 GENERAL CARE AND MAINTENANCE 2 1 CENTI Drain Valve Installation 2 2 Filling or Draining the CENTI 2 2 1 Filling the Tank 2 2 2 Draining the Tank 2 3 Cleaning the Tank 2 4 Maintaining Detergent Levels 2 5 Exceeding Tank Capacity 2 6 Covering the Tank 3 TROUBLESHOOTING 3 1 The CENTI will not start 3 2 The CENTI is on but the detergent is not heating properly 3 3 The tank will not drain wh...

Page 4: ...not answered in this guide contact POSTPROCESS for additional support The CENTI is designed to remove excess material deposited during 3D printing processes The CENTI uses a combination of ultrasonics heat and detergents to remove the excess material While the CENTI is robust care should be used during operation When accessing the detergent tank carefully lift and remove the lid Be careful when ex...

Page 5: ...ent detergent in the tank Ventilation PostProcess Technologies detergents are specifically formulated chemistry for maximized 3D printed support removal efficiency It is recommended that the equipment be located in a well ventilated room Specific ventilation requirements can vary widely due to size of the install room existing ventilation positive or negative and differences in individual sensitiv...

Page 6: ...he Control Screen is lit the CENTI is on Figure 1 Location of Main Power Switch Figure 2 ON STANDBY Button WARNING CAUTION Do not place the power cord in a location where it could come into contact with water or other liquid substances It is recommended to keep the entire power cord suspended above the floor surface If the CENTI appears to be malfunctioning immediately PUSH the ON STANDBY button a...

Page 7: ...ture Once the set temperature is reached the Ultrasonics are activated See Section 1 3 4 Setting the Ultrasonic Power Once the ultrasonics timer reaches 0 minutes the Auto Cycle is complete See Section 1 3 3 Setting the Ultrasonic Timer 1 3 Using the Control Screen The Control Screen shown below is the operating screen to access all CENTI functions The screen displays all of the current operating ...

Page 8: ...4X four times to Select Celsius or Fahrenheit Press Fn 5X five times to Set Degas Time Pressing the Fn Button once from any setting advances the screen to the next function The LED icon for each function will flash when activated Figure 4 Function Button 1 3 2 Setting the Target Temperature Pressing the Fn Button once accesses the temperature control settings Once this is initiated the icon highli...

Page 9: ...is flashing Press the UP arrow to set ultrasonics for High power and press the DOWN arrow for Low power Depiction of the Full ultrasonic power setting Depiction of the Low ultrasonic power setting To set up the ultrasonics to run for a specified period of time press the DOWN arrow and select a run time in minutes from 1 to 99 To increase or decrease the time quickly press and hold the up or down a...

Page 10: ...WN arrow for the readings to be in Celsius The temperature readings are located at the left side of the Control screen as shown below In the example shown the temperature units are displayed in Fahrenheit The CENTI has built in Degas functionality to remove excess gasses from fluids For further information see Section 1 4 1 Degas Procedures To set the timer for a Degas cycle press the Fn button fi...

Page 11: ...iveness of the ultrasonic action and the capabilities of the detergent to remove support material of printed parts During normal use the detergents will naturally degas over time but utilizing a Degas cycle will speed up that process and return the CENTI to optimum efficiency There are three Ultrasonic Modes of operation These are identified below 1 Timed Sonics When operating in Timed Sonics Mode...

Page 12: ...ry run a Degas cycle See Section 1 4 Degas Operations for more information 4 Set the Sonics Mode to Constant See Section 1 3 3 Setting the Ultrasonics Time 5 Set the detergent temperature in the tank by pressing the Fn Button once The Set Temperature icon will flash Next press the UP DOWN buttons to set the tank to the desired temperature and activate the heater by pressing the HEAT Button 6 Set t...

Page 13: ...til the Current Temperature icon is flashing Press the UP button to select F Next press the Fn button two more times to ready the unit 2 Press the ON STANDBY button to turn off the CENTI 3 Press both the ON STANDBY button and the Fn button simultaneously The bottom left temperature digits and the Current Temperature icon will illuminate as shown 4 Stir the detergent in the tank for 15 seconds to e...

Page 14: ...ceptacle Located on the back of the unit as shown right Close the drain valve by turning it clock wise 90 degrees until it is perpendicular to the valve body The CENTI is ready to be filled 2 2 1 Filling the Tank 2 2 Filling or Draining the CENTI Figure 6 Drain Valve Assembly Figure 7 Power Cord Receptacle CAUTION Only use POSTPROCESS detergents in the CENTI Using any other detergents may damage t...

Page 15: ...ecommended to check any baskets or trays that are being used during the support removal process to ensure they are free from contaminants also Any baskets or other equipment can be cleaned using water and a soft cloth It is important for the CENTI to always have the proper amount of detergent in the tank to ensure safe and efficient operation There is a fluid level indicator on the inside of the t...

Page 16: ...with the cover on the tank Using the cover allows the tank to reach the desired temperature more quickly The cover reduces the amount of detergent that is lost due to evaporation The red callout in the picture is illustrating the cover vents 2 5 Exceeding Tank Capacity 3 1 The CENTI will not start 2 6 Covering the Tank CAUTION CAUTION If a part is resting on the bottom of the tank it will not be c...

Page 17: ...y parts and remove any debris Reassemble the drain valve assembly If still clogged contact POSTPROCESS support for further information The Error Code showing up on the display indicates that there are CENTI sensor components malfunctioning Contact POSTPROCESS support for further information A blank display while the CENTI is operational indicates that the main control board has malfunctioned Pleas...

Page 18: ...es Approved By Approval Date Written By A B C REV Marketing ML Marketing ML Tech Writer BG Project Eng BS Eng Mgr MF Project Eng BS Eng Mgr MF Project Eng BS Eng Mgr MF 6 27 2017 2 21 2018 6 26 2018 Original Release Brand Update Add Ventilation Requirements Rendering updates add Warning for exceeding Temperature ...

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