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Summary of Contents for HOUNO Invoq Combi
- Page 1 Service manual Invoq Combi & Invoq Hybrid 6-1/1 GN 10-1/1 GN 20-1/1 GN 6-2/1 GN 10-2/1 GN 20-2/1 GN Gas & electric EN - English Original English document...
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Page 3: Table Of Contents
Testing the fan function ..................... 18 Testing the steam function .................... 19 Testing the CareCycle functions ................20 Testing the alarm functions ....................21 Testing the touch display function ................ 22 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... - Page 4 Testing the “Other test” function ................23 Testing the PassTrough function ................24 Displaying the test overlay function ..............24 Setting the oven setup .......................25 Setting the gas settings ....................26 adjusting the temperatures ..................27 Changing the temperature offsets ...............28 Changing the recipes cooking settings ............29 Enabling the “Demo mode”...
- Page 5 Settings for burner for steam generator ............57 Gas-air mixture, cETLus values ................58 Settings for bottom burner ....................58 Settings for upper burner ....................59 Settings for burner for steam generator ............59 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19...
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Page 7: General Information
See section “accessing the settings menu”. Screen dumps The screen dumps in this manual are based on an Invoq Hybrid 10-1/1 GN oven with core probe. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 8: Symbols Used In This Document
Symbols used in this document DANGER Dangerous situation which will, if not avoided, result in death or serious personal injury. WARNING Dangerous situation which may, if not avoided, result in death or serious personal injury. CAUTION Dangerous situation which will, if not avoided, result in minor or moderate personal injury. -
Page 9: Safety Information
Risk of injury • follow the instructions in this manual carefully. • Make sure this manual is freely available to everyone working with the oven and for later reference. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 10: Safety Instructions Before Use
Safety instructions before use DANGER Risk of electric shock • Install an approved plug or safety switch close to the oven to ensure that the oven can be disconnected during installation and repair. • The safety switch must be compliant with applicable national and local requirements. -
Page 11: Safety Instructions During Use
Risk of burn injury • Cool down the oven before servicing or maintaining the oven. • Use personal protective gloves if you perform maintenance or repair in a hot cavity. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 12: Safety Instructions For Gas Ovens
Safety instructions for gas ovens DANGER Suffocation and/or explosion due to gas leak • Place instructions that must be followed if the user smells gas in a clearly visible location. • you can obtain this information from your local gas supplier. DANGER Suffocation and/or explosion due to gas leak If you smell gas, do the following:... - Page 13 • Use a detection tool or spray leak finder, which is approved by local rules and regulations. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19...
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Page 14: Personal Protective Equipment
Personal protective equipment CAUTION Risk of burn injury • Use personal protective gloves if you perform maintenance or repair in a hot cavity. -
Page 15: Setting The Oven
• • Steam • CareCycle • alarm • Touch • Other • PassThrough • Test overlay Remember to activate the main contactor to be able to test the functions. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 16: Testing The Oven
Testing the oven Touch “Settings” in the home screen menu. Touch “Oven setup”. Touch “Test functions”. Touch “Oven test”. Touch “Main contactor”. Touch the buttons with the name of the function you want to test. Value Description “Door 1” Displays whether the door is open or closed. If you are testing a PassThrough oven, there will be both a “Door 1”... -
Page 17: Testing The Gas Function
Displays the requested fan rpm and the actual fan rpm. “Status” Only relevant to Technical Support. It shows the status from the gas control box, valves, etc. Table 3 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 18: Testing The Fan Function
Testing the fan function Touch “Settings” in the home screen menu. Touch “Oven setup”. Touch “Test functions”. Touch “fan test”. Touch “Main contactor”. Touch the buttons with the name of the function you want to test. Value Description “RPM 1” Displays the rpm of the upper fan. -
Page 19: Testing The Steam Function
Default value is 400. low value is normally around 420. The value depends on the water quality. Table 5 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 20: Testing The Carecycle Functions
Testing the CareCycle functions Touch “Settings” in the home screen menu. Touch “Oven setup”. Touch “Test functions”. Touch “Water test”. Touch “Main contactor”. Touch the buttons with the name of the function you want to test. Value Description “flow volume” The amount of water that is led into the oven during a CareCycle wash. -
Page 21: Testing The Alarm Functions
“GasII” Displays whether the alarm is on or off. If it is off, check the power supply to the gas burner. Table 7 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 22: Testing The Touch Display Function
Testing the touch display function Touch “Settings” in the home screen menu. Touch “Oven setup”. Touch “Test functions”. Touch “Touch test”. Press a finger to the screen and drag it in any direction. If there are any dead spots in the touch display, you will see a delay or markings that are not related to the markings made by your finger. -
Page 23: Testing The "Other Test" Function
The sensor can be 0 = off, 1 = on, 2 = pump of and 3 = off. “Oxygen sensitivity” Value that can be read after calibration. Table 8 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 24: Testing The Passtrough Function
Testing the PassTrough function Touch “Settings” in the home screen menu. Touch “Oven setup”. Touch “Test functions”. Touch “PassThrough test”. Value Description “Displayed time” Shows the time that is displayed on the PassThrough display. “Restart button” Displays if the button on the PassThrough display has been pushed. -
Page 25: Setting The Oven Setup
If the value is set to “Off”, you do not receive any alarms if the fan is faulty. “Core temp.” Set the value to “ON” if you use a core probe. Table 10 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 26: Setting The Gas Settings
Setting the gas settings Touch “Settings” in the home screen menu. Touch “Oven setup”. Touch “Heating”. Touch “Gas settings”. Value Description “Off delay on door Enables the gas burners to continue heating open” when the door is open. This function can be set to 10, 20 or 30 seconds. -
Page 27: Adjusting The Temperatures
Touch “Settings” in the home screen menu. Touch “Cooking settings”. Touch “Temperature offset”. Touch “Probe”. Touch “Delta-T offset”. Select the preferred offset. Touch “Reset to default” to restore the factory settings on this page. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 28: Changing The Temperature Offsets
Changing the temperature offsets Touch “Settings” in the home screen menu. Touch “Cooking settings”. Touch “Temperature offsets”. Make the relevant changes. Value Description “Temperature offset” Set the temperature, which is added to the input value. “Core temp offset” Set the temperature, which is added to the input value. -
Page 29: Changing The Recipes Cooking Settings
This function speeds up the time in demo acceleration” mode. 1 = time x 1 (1 second = 1 second). 5 = time x 5 (1 second = 0.2 seconds). Table 13 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 30: Resetting The Fault Log
Resetting the fault log you can reset the fault log in case there is an active error, which is the case, if there is a warning icon in the upper right-hand side of the user interface. Touch the warning icon the home screen menu. Select either “History”, “Count”... -
Page 31: Updating Software
Select download and wait until the download is complete. This may take several minutes. Copy the downloaded zip file to the “PlatformUpdate” folder inside the “Invoq” folder on the USb stick. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 32: Updating Software With Usb Stick
Updating software with USb stick follow the instructions in “Verifying the USb stick” and “Downloading the software”. Insert a USb stick on the right-hand side of the oven. Touch “Settings” in the home screen menu. log in as “Technician”. The password is 576021. Touch “Settings”. -
Page 33: Opening The Service Accesses
Grab the front panel with both hands at the top and bottom. Pull out the front panel. Reinsert the silicone protection plug. always reinsert the silicone protection plug. Otherwise, the IMPORTANT! oven is not compliant with IPX5. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 34: Dismounting The Side Panel
Closing the front panel lift the bottom of the front panel and place it. Hold the bottom of the front panel while pushing the top of the front panel in place. Check that the silicone protection plug is in place. Otherwise, insert a new one. -
Page 35: Mounting The Side Panel
OPENING THE SERVICE aCCESSES Mounting the side panel fit the side panel in the two.hooks on the right-hand side. Position the side panel. fasten the two screws beneath the oven. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 36: Replacing Parts
Replacing parts DANGER Risk of electric shock • Disconnect the oven from the power source during service and when replacing spare parts. • Make sure that the service technician can see that the power plug is disconnected at all times during maintenance and repair. -
Page 37: Resetting The Thermo Switch For The Steam Generator
Push the button (a) with a screwdriver until it clicks to reset the thermo switch. Replace the plastic cover. Close the front panel. See section “Closing the front panel”. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 38: Replacing The Io Board
Replacing the IO board Turn of the power to the oven. Open the front panel. See section “Opening the front panel”. Dismount all cables. Dismount the six clips and the screw. Replace the IO board. follow the procedure in reverse order Replacing the controller Turn off the power to the oven. -
Page 39: Replacing The Front Panel
Dismount the locking rings on the upper and lower hinges on the inside of the oven door. Pull out the pins. Replace the front panel. follow the procedure in reverse order. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 40: Replacing The Door Sensor
Replacing the door sensor Dismount the side panel. See section “Dismounting the side panel”. Disconnect the door sensor. Pull out and replace the door sensor. Tie a cord to the old door sensor cable and use it to drag in the new door sensor. Connect the door sensor. - Page 41 REPlaCING PaRTS Remove the metal bracket. Pull out the cable. Dismount the cable. Dismount the LED fixture. Replace the LED fixture and cable. follow the procedure in reverse order. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19...
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Page 42: Replacing The Gas Parts
Replacing the gas parts DANGER Suffocation and/or explosion due to gas leak • before servicing a gas oven, read the safety instructions in “Safety information”. Gas heating in general The oven is equipped with a closed gas burner system. The closed heating system contains a gas control box and a heat exchanger that delivers heat to the cavity and to the water in the steam generator*. -
Page 43: Connection Of Gas Burners
7.0 or Adobe Acrobat 7.0 You must install one of these products before installation of the plug-in. Adobe products are able on Adobe web site: www.adobe.com Seemage Seemage Seemage Seemage Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 44: Gas Heating Cycle
Gas heating cycle you select a function that requires heating When a user starts a manual function or a recipe function that demands heat, the following happens: The controller sends a digital signal to the gas control box that it must start a heating sequence. -
Page 45: Replacing The Gas Burner Head
PROJECTION STATUS: REV. NO. REV. DATE: DESCRIPTION: DATE: 22-03-2021 MATERIAL: ITEM NO. - REV. 104426 - 0 SURFACE: COLOUR: TOLERANCE: SHEET: FORMAT: MODEL REF. NO. SHEET 1 OF 2 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... - Page 46 Adjusting the flame detection sensor for the gas burner for the steam generator Only relevant for Invoq Hybrid ovens. IMPORTANT! Mount the gas burner so that the ignition is closest to the motor rod. Position Description Distance [mm] Distance in mm between the electrode rods. 3.0-3.2 Distance in mm from the burner head to the 8.0-10.0...
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Page 47: Gas-Air Mixture Adjustment
Adjustment screw for maximum rpm Clockwise less gas, more O Counter-clockwise More gas, less O Adjustment screw for minimum rpm Clockwise More gas, less O Counter-clockwise less gas, more O Table 19 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... - Page 48 Running the gas burners in test mode and adjusting the gas-air mixture DANGER Suffocation and/or explosion due to gas leak • Make sure the ventilation is running when you adjust the oven. • Monitor the CO values carefully. • The CO values must not exceed 400 ppm for any length of time.
- Page 49 “Gas-air mixture, CE values”. 18. Continue with step 16 and 17 until the 0 value is steady and corresponds with the oven model and size. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19...
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Page 50: Technical Data
Technical data Water layout... - Page 51 Table 20 *Only relevant for Invoq Hybrid ovens. ** Invoq Combi ovens are equiped with a 1-way water inlet. Invoq Hybrid ovens are equipped with a 3-way water inlet. Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19...
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Page 52: Gas Components In The Cavity
Gas components in the cavity Position Description Position Description Gas valve Connection tube Heat exchanger burner head Ignition electrode and flame Gas control box sensor Venturi Combustion chamber Gas fan motor Gas supply hose Gas fan Table 21... -
Page 53: Gas Components In The Steam Generator
Gas control box burner head Gas valve Gas connection tube Water level sensor Gas fan motor Gas fan Venturi Heat exchanger Gas supply hose Steam generator Overheat safety switch Table 22 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 54: Io Board Leds
IO board lEDs Description and connection of the lEDs on the IO board, which gives an overview of the lEDs and their function. Description Power 3.3 V 5.0 V RS485 RX RS485 TX Cavity safety OK Steam generator OK* Table 23 * Only relevant for Invoq Hybrid ovens... -
Page 55: Gas-Air Mixture, Ce Values
G25+G25,3 18-25 G30-lPG,b/P3 28-57 G31-lPG 30-50 18-25 G25+G25,3 18-25 G30-lPG,b/P3 28-57 G31-lPG 30-50 18-25 G25+G25,3 18-25 G30-lPG,b/P3 28-57 G31-lPG 30-50 18-25 G25+G25,3 18-25 G30-lPG,b/P3 28-57 G31-lPG 30-50 Table 24 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 56: Settings For Upper Burner
Settings for upper burner burner 2, upper burner, CE values Oven size Maximum rpm Minimum rpm Gas inlet Type of gas pressure Start [mbar] 18-25 G25+G25,3 18-25 G30-lPG,b/P3 28-57 G31-lPG 30-50 18-25 G25+G25,3 18-25 G30-lPG,b/P3 28-57 G31-lPG 30-50 Table 25... -
Page 57: Settings For Burner For Steam Generator
G25+G25,3 18-25 G30-lPG,b/P3 28-57 G31-lPG 30-50 18-25 G25+G25,3 18-25 G30-lPG,b/P3 28-57 G31-lPG 30-50 18-25 G25+G25,3 18-25 G30-lPG,b/P3 28-57 G31-lPG 30-50 18-25 G25+G25,3 18-25 G30-lPG,b/P3 28-57 G31-lPG 30-50 Table 26 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... -
Page 58: Gas-Air Mixture, Cetlus Values
Gas-air mixture, cETLus values Settings for bottom burner burner 1, bottom burner, cETlus values burner 1, bottom burner, cETlus values Oven size Oven size Maximum rpm Maximum rpm Minimum rpm Minimum rpm Gas inlet Gas inlet pressure pressure Start Start type type 3.2-8.0... -
Page 59: Settings For Upper Burner
Start type 3.2-8.0 6-1/1 GN 5.2-14.0 3.2-8.0 10-1/1 GN 5.2-14.0 3.2-8.0 20-1/1 GN 5.2-14 3.2-8.0 6-2/1 GN 5.2-14.0 3.2-8.0 10-2/1 GN 5.2-14.0 3.2-8.0 20-2/1 GN 5.2-14.0 Table 30 Invoq Combi & Invoq Hybrid, service manual, revision 12/2023, SW: 0.7.19... - Page 60 GET IN TOUCH. as your oven specialist, we always do our utmost to help our customers. Worldwide. HOUNÖ a/S alsvej 1 DK-8940 Randers SV Denmark T: +45 8711 4711 M: houno@houno.com www.houno.com Part of...
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