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Rev. 02 1011 545 Operating instructions and Spare parts list Powder management system OptiCenter OC07 Translation of the original operating instructions...
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To the best of our knowledge and belief, the information contained in this publication was correct and valid on the date of publication. Gema Switzerland GmbH makes no representations or warranties with respect to the contents or use of this publication, and reserves the right to revise this publication and make changes to its content without prior notice.
Cleaning hose ..................21 Powder bag cone ..................21 Vibrating trolley** ..................22 Powder hopper** ..................22 Ultrasonic sieve system US07** .............. 23 Powder recovery system** ............... 23 Powder feed to guns** ................24 Table of contents • 3 OptiCenter OC07...
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Preparation for start-up ..................55 Basic conditions ..................55 Basic information ..................55 Inserting the SD card .................... 56 Inserting SD card ..................56 Removing SD card .................. 56 Parameter description ..................56 4 • Table of contents OptiCenter OC07...
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Maintenance during storage ................104 Maintenance schedule ................104 Maintenance works ................104 Storage and transport of the operating panel ........104 Disposal Introduction ......................107 Requirements on personnel carrying out the work ........ 107 Table of contents • 5 OptiCenter OC07...
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Disposal regulations ................107 Materials ....................107 Disassembly of component groups ..............107 Spare parts list Ordering spare parts ................... 109 OptiCenter OC07 ....................110 Cone trolley ......................111 Fluidizing/suction unit ..................112 OptiSpeeder – complete ..................113 OptiSpeeder – Cover ..................114 OptiSpeeder –...
General information This operating manual contains all the important information which you require for the working with the OptiCenter OC07. It will safely guide you through the start-up process and give you references and tips for the optimal use when working with your powder coating system.
Possible consequences of the danger ► Prevention of the danger Software version This document describes the operation of the product OptiCenter OC07 with software version starting from 1.4.12. See chapter "Checking the software version" on page 51. 8 • About these instructions...
Presentation of the contents Figure references in the text Figure references are used as cross references in the descriptive text. Example: "The high voltage (H) created in the gun cascade is guided through the center electrode." About these instructions • 9 OptiCenter OC07...
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Rev. 02 04/21 10 • About these instructions OptiCenter OC07...
– It must be ensured, that all components are earthed according to the local regulations before start-up. For further security information, see the more detailed Gema safety regulations! WARNING Working without instructions Working without instructions or with individual pages from the instructions may result in damage to property and personal injury if relevant safety information is not observed.
Use only technical personnel who are trained in operating the respective equipment (e.g. a crane). If there are any uncertainties, please contact Gema Switzerland GmbH. Packing material Not necessary for the internal transport. For external transport: see chapter "Decommissioning / Storage" on page 103.
The OptiCenter must not be placed fully in the horizontal position, since it is not designed for this purpose. ► In case of doubt contact Gema Switzerland GmbH! Loading, transferring the load, unloading Suitable lifting equipment is to be used for all procedures.
The powder management center is designed for easy and clean handling of the coating powder and is operated via a touch panel. The center will only operate in combination with Gema powder conveyors, which are designed to convey coating powder to the spray guns.
Conveying – Fresh powder directly from the (original) powder bag – Fresh powder from a Gema fresh powder system – Powder directly from the optional powder hopper – Precision conveying from the OptiSpeeder to the applicators –...
Rev. 02 04/21 Technical Data Electrical data OptiCenter OC07 Connected load 230 V+E+N Frequency 50/60 Hz Protection type IP54 Approvals II 3 D Pneumatic data OptiCenter OC07 Inlet pressure min. 6.5 bar Water vapor content of max. 1.3 g/m³ compressed air Oil content of compressed air max.
Rev. 02 04/21 Compressed air indicators fig. 6: Gema default values after installation 0.5 bar AirMover (normal operation) 30Q1 3 bar OptiSpeeder fluidizing air 30Q3 2 bar Powder container fluidizing air 33Q2 2 bar Fluidizing air Fluidizing/suction unit 33Q1 Operating elements Fig.
Suitable for metallic powders – Level sensor optionally available When using the powder hopper, the venting hose must be connected to the connector , and the ball valve (10) must be open during the entire operation. 22 • Product description OptiCenter OC07...
Optional powder return into the powder bag cone or into the powder hopper or into the extraction system – Plug position (extraction system) monitored by sensor The parameterization of this option is done on the Touch Panel. Fig. 14 Product description • 23 OptiCenter OC07...
The separated powder is cleaned by passing it through the integrated sieve (3) and fed back into the OptiSpeeder (9) by the dense phase conveyor (4), where it is prepared again for coating operation. 24 • Product description OptiCenter OC07...
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(5). The after filter separates the powder into a waste container (6), which is positioned directly under the filter elements and is very easy to empty. Then, the cleaned air leaves the filter and is fed directly back into the workshop environment. Product description • 25 OptiCenter OC07...
Storage of operating data on SD cards – Data exchange with higher-level plant controls (option) – 7.0" display with symbol elements – TFT color screen with touch screen function – CAN bus technology – Multilingual version Touch panel / operating panel • 27 OptiCenter OC07...
Resolution 1024 x 600 pixels (WXGA) Number of colors ≈ 16.7 million (color depth 24 Bit) Display surface 154 x 90 mm Operation Multifinger touch Front screen Anti reflex coated, scratch-proof 28 • Touch panel / operating panel OptiCenter OC07...
The rating place contains the following information: – Type designation – Version – Required power supply – Serial no. – Arrangement of interfaces and operating elements Fig. 18: Rating plate Touch panel / operating panel • 29 OptiCenter OC07...
Acquisition of the actuation of the sensor operating elements shown on the display. Operated by touch using fingers. Slot for SD card SD card slot Exits the visualization program CTRL button 30 • Touch panel / operating panel OptiCenter OC07...
Coating without powder recovery (spray to Main menu waste container) OptiCenter OFF Vibrator ON/OFF (Press and hold 2 seconds) Extraction system Gun hose rinsing ON/OFF Confirm error Manual coating messages 32 • Touch panel / operating panel OptiCenter OC07...
Cleaning ON Cleaning OFF Empty OptiSpeeder Blow off OptiSpeeder Clean fresh powder Clean powder hoses pump Meaning of the colors Gray background = present, but not active Orange background = active state Touch panel / operating panel • 33 OptiCenter OC07...
There is no powder recovery in this coating mode – the powder, which does not adhere to the object, is fed directly to the waste. Utilization of this operating mode: – For smaller coating tasks – If highest coating quality is required 34 • Touch panel / operating panel OptiCenter OC07...
Access is only possible after entering the appropriate password. Certain functions are available depending on the user level, which is defined in advance. The software has 5 user levels as standard predefined by Gema: – User level 0 (admin) Touch panel / operating panel •...
Rev. 02 04/21 – User level 1 (Gema service) – User level 2 (user 1) – User level 3 (user 2) – User level 4 (user 3) These user levels are pre-programmed and cannot be changed. The functions available depending on the user level are explained below.
User logged out Login The user can log in as follows: – By clicking on the symbol in the login status bar , if another user has previously logged out Fig. 22: Login Touch panel / operating panel • 37 OptiCenter OC07...
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The screen switches to the next page: Fig. 24: Login – User selection Select the desired user profile and confirm by pressing the Alternatively, the user can enter their own name directly by pressing the User key 38 • Touch panel / operating panel OptiCenter OC07...
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Enter user name and confirm by pressing RET Press the Password key Fig. 26: Login – Password input Enter password and confirm by pressing RET Fig. 27: Press the key. – The following screen is displayed: Touch panel / operating panel • 39 OptiCenter OC07...
Depending on user rights, individual functions and settings may not be accessible and are locked. – See chapter "Functions available at user level" on page 36. Create user Press the The following page is displayed: 40 • Touch panel / operating panel OptiCenter OC07...
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Rev. 02 04/21 Fig. 29: Press the – The following page is displayed: Fig. 30: Settings Press the – The following page is displayed: Fig. 31: Press the “User” key Touch panel / operating panel • 41 OptiCenter OC07...
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Press the MARK key: the selected group is marked with * – Press the RET key to confirm Press the “New password” key – A keyboard opens to enter a password for the new user. 42 • Touch panel / operating panel OptiCenter OC07...
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The new user now appears in the list of available users and can be deleted or changed at any time. Delete users In the Settings menu, press the – The following page is displayed: Touch panel / operating panel • 43 OptiCenter OC07...
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A keyboard opens to enter the user name to be deleted. Fig. 37: Enter the user name to be deleted Press the RET key to confirm Press the “···” key – A corresponding dialog opens. Fig. 38: 44 • Touch panel / operating panel OptiCenter OC07...
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Fig. 39: Change user password In the Settings menu, press the The following page is displayed: Fig. 40: Press the “Password” key – A keyboard opens to enter the last password used. Touch panel / operating panel • 45 OptiCenter OC07...
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Press the RET key to confirm 10. Press the Search users This function is used to display all created and active users. Press the The following page is displayed: Fig. 42: 46 • Touch panel / operating panel OptiCenter OC07...
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The user language is part of the user profile and can be changed to one of the pre-installed languages if required. The selected language is loaded each time you log in. Press the The following page is displayed: Touch panel / operating panel • 47 OptiCenter OC07...
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Rev. 02 04/21 Fig. 45: Press the – The following page is displayed: Fig. 46: Press the LANGUAGE key – The following page is displayed: Fig. 47: Select desired language 48 • Touch panel / operating panel OptiCenter OC07...
If in doubt, contact your IT department. Inserting the SD card: See chapter "Inserting the SD card" on page 36. Diagnostic Press the The following page is displayed: Fig. 48: Press the The following page is displayed: Touch panel / operating panel • 49 OptiCenter OC07...
Rev. 02 04/21 Fig. 49: Inputs Press the ► The following page is displayed: Fig. 50: Outputs Operating hours Press the The following page is displayed: 50 • Touch panel / operating panel OptiCenter OC07...
Number of color changes Number of color changes Checking the software version Push the button Push the button Push the button – The following page with the actual software version is displayed: Touch panel / operating panel • 51 OptiCenter OC07...
► Only trained, authorized staff may open the electrical compartment ► Observe the safety symbols Disconnect the mains supply and supply cables. Remove all product covers. The product is now prepared for disassembly. 52 • Touch panel / operating panel OptiCenter OC07...
► Ground all OptiCenter metal parts in accordance with general local regulations. ► Check grounding regularly. A corresponding connection point at the rear of the OptiCenter is reserved for the potential equalization. Assembly / Connection • 53 OptiCenter OC07...
In order to ensure correct operation, the main pressure regulator must be set to a pressure of 6 bar. Fig. 53: Compressed air supply The other pressure regulators of the system are preset at the factory according to the pneumatic diagram. 54 • Assembly / Connection OptiCenter OC07...
At the suction point, a homogeneous fluidization must be ensured, so that no air ducts (craters) can be formed – The connecting hose between the AirMover and the booth should be as short as possible. An additional AirMover must be installed from 7 Start-up • 55 OptiCenter OC07...
Some parameters are reserved exclusively for Gema Service. Depending on the selection of options, additional parameters are displayed and hidden. Parameters Description Value OptiCenter type Selection of OptiCenter type OC06 3400 OC07 OC08 56 • Start-up OptiCenter OC07...
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(spray), the recovery powder is first fed into the after filter (waste) after a color change, and then into the OptiSpeeder after the set time has elapsed in the case of increased quality requirements after a color change. Start-up • 57 OptiCenter OC07...
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In order to maintain the quality of the coating, some of the recovery powder can be removed from the system and substituted with fresh powder. OC for Retrofit 0 / 1 3480 58 • Start-up OptiCenter OC07...
The control starts the operating system, the PLC control and the operating software to the main page. Fig. 54: Main page (not logged in) Press the symbol in the login status bar to log in with a user name and password Operation • 59 OptiCenter OC07...
If a US sieve** has already been configured, insert and close the OptiSpeeder cover with the appropriate mesh size – If there are several mesh sizes, the corresponding menu appears for selecting the mesh size used 60 • Operation OptiCenter OC07...
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--> see chapter "Fault clearance" on page 99. Coating can now commence If an error message is displayed, correct the error and acknowledge the error message so that the coating process continues. Operation • 61 OptiCenter OC07...
The US sieve can become clogged if it has not been configured in the configuration menu and is still inserted in the OptiSpeeder (operation without or with insufficient sieving capacity). ► Set US sieve parameters correctly 62 • Operation OptiCenter OC07...
The recovered powder is then mixed with the fresh powder, fluidized and prepared for transport into the OptiSpeeder. Insert the powder hopper and connect fluidization Connect the extraction system and open the ball valve Operation • 63 OptiCenter OC07...
This function can be deactivated at any time. The recovered powder is then fed directly back into the OptiSpeeder. – Press Screen selection If the customer uses more than one screen, the OptiCenter panel displays a relevant choice of mesh sizes. 64 • Operation OptiCenter OC07...
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Rev. 02 04/21 Only previously configured mesh sizes are displayed, however. – See chapter "Parameter description" on page 56. The selected mesh size remains active until the system is switched on again. Operation • 65 OptiCenter OC07...
A pinch valve distributor is used to feed the recovery powder to the after filter during the adjustable time period. After the time set in parameter 3442 has elapsed, the recovery powder is returned to the powder cycle. Fig. 55: (See chapter "Parameter description" on page 56.) 66 • Operation OptiCenter OC07...
The coating is correctly set when the powder collection unit (under the cyclone) does not overfill. – This must be set with parameter 3460. Fig. 56: (See chapter "Parameter description" on page 56.) Operation • 67 OptiCenter OC07...
To achieve this, the following is recommended: – Use of gap control – Dense, optimized object suspension – Well maintained and adjusted application equipment 68 • Operation OptiCenter OC07...
See chapter "Parameter description" on page 56. 100% Adjustment (Teach 100%) Prerequisite – Login as "User" – The OptiSpeeder must be able to be filled with fresh powder Procedure Select the Coating mode (spray or waste) Operation • 69 OptiCenter OC07...
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Rev. 02 04/21 Press the fig. 59: Press the Teach Level Sensor key fig. 60: Press and hold the – The OptiSpeeder is filled Open the OptiSpeeder cover from time to time and visually check the level 70 • Operation OptiCenter OC07...
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– the powder reaches the level 10 mm below the metal bushsing of the sensor Press the Teach 100% key (teach-in period > 10 seconds) fig. 62: The 100% adjustment is confirmed (✔) fig. 63: Operation • 71 OptiCenter OC07...
See chapter "Cleaning" on page 79. Turn the main switch to the OFF position – the interior lighting goes out Replacing the powder bag Check visually the powder level in the bag cone Hold the full powder bag ready 72 • Operation OptiCenter OC07...
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11. Empty the used powder bag with the residual powder into another container or dispose of it If an error message appears, correct the error and acknowledge it to ensure that the coating process continues to run! Operation • 73 OptiCenter OC07...
► Insert the OptiSpeeder cover WITHOUT US sieve Select the desired operating mode Do not coat before the set powder level has been reached. – The OptiSpeeder is now filled with powder. Open the OptiSpeeder cover and visually check the fluidization. 74 • Operation OptiCenter OC07...
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--> see chapter "Fault clearance" on page 99. 11. Coating can now commence If an error message is displayed, correct the error and acknowledge the error message so that the coating process continues. Operation • 75 OptiCenter OC07...
The parts to be replaced during maintenance work are available as spare parts. For further information, see chapter "Spare parts list". General information The product is designed to require a minimum of maintenance. Maintenance / Repairs • 77 OptiCenter OC07...
During operation of the machine pay attention to unusual noises. Stop the machine immediately if an unusual noise can be heard. Check the components at the noise source. If no clear cause can be found, contact Gema customer service. Wearing parts Wearing parts replaced during maintenance can be individually purchased (refer to spare parts list).
► The OptiSpeeder must only be cleaned with the cover on WITHOUT a US sieve. Cleaning procedure (standard) End the coating procedure To exit Coating mode, press and hold the key for 2 seconds. The following menu appears on the display: Maintenance / Repairs • 79 OptiCenter OC07...
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16. The process step is complete when the key looks like this. The key can be pressed once again if necessary. This is a sign that the next cleaning step will be activated. Maintenance / Repairs • 81 OptiCenter OC07...
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The corresponding cleaning program is displayed on the OptiStar control units: 23. The process step is complete once this symbol displayed. – The key can be pressed once again if necessary. Otherwise the next cleaning step is activated. 82 • Maintenance / Repairs OptiCenter OC07...
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26. Visually check the inside of the OptiSpeeder, if necessary clean with compressed air gun 27. Booth cleaning can now be started: Activate the corresponding command on the MagicControl control unit 28. Clean the OptiCenter 29. Open the monocyclone Maintenance / Repairs • 83 OptiCenter OC07...
“powder recovery system” extension must be installed. – See chapter "Parameter description" on page 56. End the coating procedure To exit Coating mode, press and hold the key for 2 seconds. The following menu appears on the display: 84 • Maintenance / Repairs OptiCenter OC07...
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Rev. 02 04/21 Select the desired cleaning mode – Exhaust air starts automatically Ensure that the recovery hose is connected to the powder hopper Maintenance / Repairs • 85 OptiCenter OC07...
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If necessary, the cleaning process can be interrupted at any time by pressing the stop button. 14. The pinch valve below the OptiSpeeder opens and the powder in the OptiSpeeder flows into the powder hopper 86 • Maintenance / Repairs OptiCenter OC07...
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(after approx. 180 seconds for intensive cleaning and approx. 30 seconds for quick cleaning). – The powder hoses are cleaned and the powder is transported to the booth – The powder is conveyed from the booth Maintenance / Repairs • 87 OptiCenter OC07...
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The resulting powder is fed into the powder hopper 24. Once the booth has been cleaned, reposition the recovery hose in the cleaning position 25. The cleaning of the recovery hoses starts automatically (sensor monitored) 88 • Maintenance / Repairs OptiCenter OC07...
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► Swing out the sieve completely during this cleaning step. 30. Slowly swing out the sieve and clean it with the air gun 31. Press the button on the monocyclone – The cleaning process is started. Maintenance / Repairs • 89 OptiCenter OC07...
End the coating procedure To exit Coating mode, press and hold the key for 2 seconds. The following menu appears on the display: Select the desired cleaning mode 90 • Maintenance / Repairs OptiCenter OC07...
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Rev. 02 04/21 – Exhaust air starts automatically 13. Press Start If necessary, the cleaning process can be interrupted at any time by pressing the stop button. Maintenance / Repairs • 91 OptiCenter OC07...
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The key can be pressed once again if necessary. This is a sign that the next cleaning step will be activated. 19. Connect the extraction system and open the ball valve 20. Connect the recovery hose to the cover 92 • Maintenance / Repairs OptiCenter OC07...
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The powder from the booth is fed via the cyclone into the powder – The corresponding cleaning program is displayed on the OptiStar control units: 26. The process is complete once this symbol is displayed. Maintenance / Repairs • 93 OptiCenter OC07...
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31. The process is complete when this screen is displayed: Any individual step can be repeated as needed by pressing the corresponding key again. – Only the selected cleaning step is carried out. 94 • Maintenance / Repairs OptiCenter OC07...
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41. If a new color is to be used: See chapter "Color change" on page 74. OTHERWISE 42. To switch the OptiCenter to stand-by mode, press and hold the key for 2 seconds. 43. Store the powder properly Maintenance / Repairs • 95 OptiCenter OC07...
Periodic checks The periodic checks include examining all connecting cables and hoses. The corresponding parts should be replaced immediately if any damage to cables or hoses is discovered. All plugs must be properly tightened. 96 • Maintenance / Repairs OptiCenter OC07...
Repair work In the event of malfunctions or faults, the product must be checked and repaired by an authorized Gema service workshop. The repairs must only be performed by an authorized specialist. Improper interventions can result in serious danger for user and...
Corresponding valve in the Check function at AirMover function in valve pool does not switch corresponding output (see also OptiSpeeder in cleaning over: “Pneumatic diagram”), replace if mode too low necessary – Defective or dirty Fault clearance • 99 OptiCenter OC07...
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Cover seal defective or missing Insert or replace Powder escapes from the OptiSpeeder during cleaning Seal surface damaged Smooth or repair with liquid metal adhesive No or too little AirMover See above function 100 • Fault clearance OptiCenter OC07...
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Motor protection switch Q6 Remove the small Vibrator defective has reacted maintenance panel and switch on the motor protection switch again. With repeated Alarms, contact a Gema service center Vibrator defective Replace Cable broken Replace Powder pump does not Conveying problem with...
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Corrective action Fuse (1 AT) in the WAGO Replace the fuse, otherwise Fuse Fxx defective module A1 defective, control contact a Gema service center unit switches to stand-by mode Powder warning, flashlight Check the powder bag, Powder alert in OptiSpeeder...
The space requirements correspond to the size of the components plus the packaging. The load-bearing capacity of the floor should be at least 500 kg/m². There are no special requirements for the spacing to adjacent devices Decommissioning / Storage • 103 OptiCenter OC07...
► Do not expose the operating panel to direct heat radiation from heaters. Observe the ambient conditions when transporting and storing the operating panel. The maximum ambient temperature for storage and transport must not exceed the specified value: 104 • Decommissioning / Storage OptiCenter OC07...
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During storage and transport in cold weather, and in the event of extreme temperature differences, ensure that no moisture is deposited on or inside the unit (condensation). If condensation is present, the unit may only be switched on after it is fully dry. Decommissioning / Storage • 105 OptiCenter OC07...
Requirements on personnel carrying out the work The disposal of the product is to be carried out by the owner or operator. When disposing of components that are not manufactured by Gema, the instructions in the respective manufacturer’s documentation must be observed.
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► Ensure the operating panel is disposed of properly. The recyclable materials should be taken to your local recycling center. Operating panels that are no longer required must be disposed of properly in accordance with local regulations. 108 • Disposal OptiCenter OC07...
When using the spare parts from other manufacturers the explosion protection is no longer guaranteed. If any damage is caused by this use all guarantee claims become invalid! ► Only original Gema spare parts should be used! Spare parts list • 109 OptiCenter OC07...
Pinch valves distributor RP – complete, see corresponding spare parts list Pinch valves distributor FP – complete, see corresponding spare parts list AirMover – NW40, complete, see corresponding spare parts list 1008 066 fig. 67: Spare parts list • 113 OptiCenter OC07...
Missing or incorrect grounding A poor or missing ground connection will cause the rod level sensor to malfunction. ► There must be no dirt in the sensor holder and on the stop fig. 69: Spare parts list • 115 OptiCenter OC07...
# Wear part * Please indicate length ¹ After replacement, open the throttle valve until the compressed air begins to flow, then open it further by one turn. Lock position with knurled thumb nut. 116 • Spare parts list OptiCenter OC07...
O-ring – Ø 28x2.5 mm 263 842# # Wear part ¹ After replacement, open the throttle valve until the compressed air begins to flow, then open it further by one turn fig. 71: 118 • Spare parts list OptiCenter OC07...
Fluidization OptiSpeeder – see corresponding spare parts list Compressed air hose – Ø 16.4/26.6 mm (not shown) 105 155* Powder hose – Ø 16/23 mm (not shown) 1010 040*# # Wear part * Please specify length fig. 73: 120 • Spare parts list OptiCenter OC07...
Fluidizing unit – complete, see corresponding spare parts list 1005 507# Allen cylinder screw – M8x20 mm 265 241 Gasket 395 439 Hexagon shakeproof nut – M8 244 449 # Wearing part * Please indicate length fig. 84: Spare parts list • 131 OptiCenter OC07...
Solenoid valve – 3/4" NW18, without coil 1005 121 Valve coil – 24 VDC 1005 119# Pressure switch – 1-10 bar, 1/4", PG7 233 757 Hose connector – Ø 16 mm, 1/2" 259 268 # Wearing part fig. 88: Spare parts list • 135 OptiCenter OC07...
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Potential equalization ........53 Storage conditions ......... 103 Intended use ............ 15 Technical Data ..........17 Transport ............13 Maintenance ............. 77 Maintenance during storage ......104 User levels Access ............35 Available functions ........36 Spare parts list • 137 OptiCenter OC07...
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How to turn on the **** for the powder cone in opticenter
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