Why is there no gas flush in my Koch Ultravac 250?
If the indicator light (GAS) is lit, check that the gas pressure going into the gas inlet is correct and ensure that the gas flush valve (SOL-3) is working properly. If the indicator light (GAS) is not lit, check the gas flush potentiometer on the analog control module or a possibly defective digital control panel.
What to do if the chamber on my Koch Ultravac 250 Kitchen Appliances is not venting (lid will not open)?
If the red “VENT” indicator light on the control module is lit and the lid won't open, check the ventilation valve SOL-1 to ensure it's working correctly. If the “VENT” indicator light is not lit, inspect the cool down potentiometer on the analog control module or a possibly defective digital control panel.
What to do if my Koch Ultravac 250 Kitchen Appliances are not sealing properly?
If the seal bladder light on the control module is lit, but the seal bar doesn't go up, ensure the regulator knob is fully clockwise, or if using air-assist, set it to the recommended pressure. Also, verify the seal bladder valve SOL-2 is operating correctly. If the seal bar isn't heating up even when the red seal light is on, inspect the seal bar connection points and clips for corrosion and proper tension. If the red seal light on the front panel doesn't light up for the correct duration (½ to 1 second) or doesn't light up at all, check for a broken seal element, the seal bar fuse F-1 (located on the analog or digital panel, or on the chassis for 110VAC machines with two seal bars), or ensure the seal impulse potentiometer is set high enough. A defective digital control panel could also ...
Important safety warnings and precautions for operating the machine.
Guidelines and risks associated with packaging food products.
General safety practices to be observed during operation and maintenance.
Steps for safely removing the machine from its packaging.
Specifications for electrical power supply and connection.
Importance and procedure for grounding the machine for electrical safety.
Requirements for connecting the gas flush system.
Specifications for connecting the air-assist sealing system.
Procedure to verify the correct rotation of the vacuum pump motor.
Key steps for properly placing product in the pouch for optimal sealing.
Details on using the analog control panel for vacuum and seal settings.
Features and operation of the digital control panel, including VACPLUS and Gas Flush.
Navigating and setting parameters via the digital operator menu.
Procedure for selecting and setting up new operational programs.
Guidelines for using air-assist for sealing.
Explanation of the gas flush function and its uses.
Information about the double seam seal option and its use.
Important considerations before starting the cleaning process.
Detailed steps for cleaning various machine parts safely and effectively.
Instructions for maintaining the vacuum pump.
Steps for replacing seal elements on the seal bars.
Interpreting indicator lights for troubleshooting.
Common issues, their symptoms, and solutions for the machine.
Accessing and modifying supervisor-level settings and parameters.
Steps to open the machine for access to internal components.
Detailed procedure for draining and refilling vacuum pump oil.
Instructions for safely replacing the machine's power cord.
Steps for replacing a potentiometer on the analog control panel.
Guidance on keeping logs of performed maintenance and service activities.
Explanation of component designations used in electrical diagrams.
Wiring diagram for the 110V single-phase control panel.
Wiring diagram for the 220V single-phase control panel.
Wiring diagram for the 110V double seal bar control panel.
Wiring diagram for the 220V double seal bar control panel.
Pneumatic diagram for the machine without gas flush.
Pneumatic diagram for the machine with gas flush option.
List of recommended spare parts with part numbers and quantities.
List of parts for the pump and chassis assembly.
Exploded view diagram of the pump and chassis.
List of parts for the seal bar assembly.
Exploded view diagram of the seal bar assembly.
List of parts for the lid and hinge system.
Exploded view diagram of the lid and hinge system.
List of parts for the gas flush system.
Exploded view diagram of the gas flush components.
List of parts for the analog control panel.
Exploded view diagram of the analog control panel.
List of parts and diagram for the digital control panel.
List of parts and diagram for the Mebner valve.
List of parts and diagram for miscellaneous machine components.
List of parts and diagram for the pump filter option.
General| Brand | Koch |
|---|---|
| Model | Ultravac 250 |
| Category | Kitchen Appliances |
| Language | English |
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