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Miele KM400 Series Technical Information
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Miele KM400 Series Technical Information

Miele KM400 Series Technical Information

Combi-sets
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TECHNICAL INFORMATION
KM400 Series Combi-Sets
© 2004 Miele

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Summary of Contents for Miele KM400 Series

  • Page 1 TECHNICAL INFORMATION KM400 Series Combi-Sets © 2004 Miele...

  • Page 3: Table Of Contents

    KM400 Series Combi-Sets - Table of Contents 1.0 CONSTRUCTION & DESIGN 1.1 Summary of KM400 Series Combi-Sets 1.2 Appliance Overview 1.2.1 KM400 Overview 1.2.1.1 KM400 Components 1.2.2 KM402 Overview 1.2.2.1 KM400 Components 1.2.3 KM404 Overview 1.2.3.1 KM404 Components 1.2.4 KM406 Overview 1.2.4.1 KM406 Components...
  • Page 4 4.0 DESCRIPTION of FUNCTION (Continued) 4.2 Electrical Components – KM404 & KM406 4.2.1 Transformer and Ignition Switch 4.2.2 Ignition Electrode 4.3 Mechanical Components – Gas Combi-Sets 4.3.1 Main Gas Regulator 4.3.2 Conversion to LP (Propane) Gas 4.3.3 Switching the Burner Rings On/Off 4.3.4 Burner Assembly (KM404 &...
  • Page 5 6.0 FAULT DIAGNOSIS 6.1 Gas Combi-Sets 6.1.1 Flame Cannot Be Ignited 6.1.2 The Flame Goes Out When Using a Low Setting 6.1.3 Uneven / Flickering Flame 6.1.4 Unusual Color Flames 6.1.5 Flame not visible around entire burner / uneven flames 6.1.6 Flame goes out about 30 seconds after igniting 6.2 Electric Combi-Sets 6.2.1 Appliance Inoperative –...
  • Page 6 KM400 Series CombiSets – List of Figures 1-1 KM400 Overview 1-2 KM400 Components 1-3 KM402 Overview 1-4 KM402 Components 1-5 KM404 Overview 1-6 KM404 Components 1-7 KM406 Overview 1-8 KM406 Components 1-9 KM408 Overview 1-10 KM408 Components 1-11 KM410/KM411 Overview...
  • Page 7 KM400 Series CombiSets – List of Figures (Continued) 5-11 Inner Burner Jets and Components 5-12 Inner Burner Air Intake Adjustment 5-13 Outer Burner Air Intake Adjustment...
  • Page 8 KM400 Series Combi-Sets – List of Tables 1-1Summary of KM400 Series Combi-Sets 5-1 Mounting Information...

  • Page 9: Construction & Design

    120VAC Ceran) Rear Burner Min. Output 1600 Max. Output 10000 KM406 Single Wok Burner Min. Output 620 120VAC (Black Ceran) Max. Output 17500 KM408 Griddle (Black Ceran) 240VAC KM411 Grill (Black Ceran) 240VAC Table 1-1: Summary of KM400 Series Combi-Sets...
  • Page 10 KM400 Series Combi-Sets Technical Information...

  • Page 11: Appliance Overview

    KM400 Series Combi-Sets Technical Information Appliance Overview & Layout of Components Products are listed in numeric order by model number. 1.2.1 KM400 - Overview Figure 1-1: KM400 Overview...

  • Page 12: Km400 Components

    KM400 Series Combi-Sets Technical Information 1.2.1.1 KM400 - Components Temperature Monitor Heater Element (Inner) R7/1 Heater Element (Outer – Extended) 1H1/7 Residual Heat Indicator 2H1/7 Residual Heat Indicator Temperature Monitor Heater Element Regulator 2H1/1 Operational Indicator X3/1 Terminal Block 1H1/2 Operational Indicator...

  • Page 13: Km402 Overview

    KM400 Series Combi-Sets Technical Information 1.2.2 KM402 - Overview Figure 1-3: KM402 Overview...

  • Page 14: Km400 Components

    KM400 Series Combi-Sets Technical Information 1.2.2.1 KM402 - Components Temperature Limiter (Reset Button) X3/1 Terminal Block H1/5 Operational Indicator Switch Thermostat Heater Element Figure 1-4: KM402 Components...

  • Page 15: Km404 Overview

    KM400 Series Combi-Sets Technical Information 1.2.3 KM404 - Overview Figure 1-5: KM404 Overview...

  • Page 16: Km404 Components

    KM400 Series Combi-Sets Technical Information 1.2.3.1 KM404 - Components (1E1/1) & (2E1/1) Electrode - Ignition (X3/1) Terminal Block (1S47) & (2S47) Switch - Ignition (T1) Ignition transformer Figure 1-6: KM404 Components...

  • Page 17: Km406 Overview

    KM400 Series Combi-Sets Technical Information 1.2.4 KM406 - Overview Figure 1-7: KM406 Overview...

  • Page 18: Km406 Components

    KM400 Series Combi-Sets Technical Information 1.2.4.1 KM406 - Components Transformer (Spark Module) E1/1 Ignition Electrode X3/1 Terminal Block Switch Figure 1-8: KM406 Components...

  • Page 19: Km408 Overview

    KM400 Series Combi-Sets Technical Information 1.2.5 KM408 - Overview Figure 1-9: KM408 Overview...

  • Page 20: Km408 Components

    KM400 Series Combi-Sets Technical Information 1.2.5.1 KM408 - Components Heater Element H1/2 Operational Indicator Regulator X3/1 Terminal Block Figure 1-10: KM408 Components...

  • Page 21: Km410/Km411 Overview

    KM400 Series Combi-Sets Technical Information 1.2.6 KM410 / KM411- Overview Figure 1-11: KM410 & KM411 Overview...

  • Page 22: Km410/Km411 Components

    KM400 Series Combi-Sets Technical Information 1.2.6.1 KM410 / KM411- Components Temperature Limiter Switch (Safety Interlock) Heater Element X3/1 Terminal Block H1/2 Operational Indicator Regulator Figure 1-12: KM410 & KM411 Components...

  • Page 23: Installation

    KM400 Series Combi-Sets Technical Information Installation Refer to the model specific Installation Manual. Figure 2-1: Typical Installation Manual for Comb-Sets (Example: shown)
  • Page 24 KM400 Series Combi-Sets Technical Information...

  • Page 25: Commission And Operation

    KM400 Series Combi-Sets Technical Information Commission and Operation Refer to the model specific Operating Manual. Figure 3-1: Typical Operating Manual for Comb-Sets (Example: KM411 shown)
  • Page 26 KM400 Series Combi-Sets Technical Information...

  • Page 27: Description Of Function

    KM400 Series Combi-Sets Technical Information Description of Function Components – Electric Combi-Sets Components listed may not be present on all model Combi-sets. Refer to the model specific overviews in Section 1 – Construction and Design for model specific details and component locations.

  • Page 28: Temperature Monitor

    KM400 Series Combi-Sets Technical Information 4.1.3 Temperature Monitor The Temperature Monitor; mounted (horizontally) across each Heater Element is responsible for monitoring the temperature at the Heater Element. Signals are and provided to the Regulator to control the switching of power to the Heater Element.

  • Page 29: Temperature Limiter - Km410/Km411

    KM400 Series Combi-Sets Technical Information 4.1.4.2 Temperature Limiter – KM410 / KM411 The grill can be used with or without lava stone; as follows: Without lava stone: The grill container should be filled with approximately 2.5 Liters (88 ounces) of water (Figure 4-3, Item 1).

  • Page 30: Operational Indicator

    4.1.7 Heater Element Figure 4-4: Electric Heater Element The Heater Elements on all Miele KM400 Electric Combi-Sets are powered by 240VAC via connections L1 and L2. The element assemblies are designed to disperse heat only toward the cooking surfaces. If the appliance is converted to operate at a lower voltage (i.e.

  • Page 31: Electrical Components - Km404 & Km406

    KM400 Series Combi-Sets Technical Information Electrical Components – KM404 & KM406 Only 4.2.1 Transformer (Spark Module) and Ignition Switch The Ignition Switch; mounted on the gas regulator is actuated when the user presses down on the knob while switching on the appliance.

  • Page 32: Mechanical Components - Gas Combi-Sets

    KM400 Series Combi-Sets Technical Information Mechanical Components – Gas Combi-Sets (KM404 & KM 406) 4.3.1 Main Gas Pressure Regulator Figure 4-6: Gas Regulator (Silver cap is flipped for LP conversion) Gas Pressure Regulator The Main Pressure Regulator (convertible from natural to LP gas) is included with the appliance.

  • Page 33: Switching The Burner Rings On/Off

    KM400 Series Combi-Sets Technical Information 4.3.3 Switching the Burner Rings On / Off Switching on Press the Control Knob in (for ignition) and turn it to the large flame symbol. When the flame is visible, hold the knob in for about 8 seconds before releasing it.

  • Page 34: Burner Assembly (Km404 & Km406)

    KM400 Series Combi-Sets Technical Information 4.3.4 Burner Assembly KM404 Combi-Set 1. Burner Cap 2. Burner Ring 3. Burner Head 4. Main Jet Figure 4-9: KM404 Burner Assembly...
  • Page 35 KM400 Series Combi-Sets Technical Information KM406 Combi-Set Burner Cap (Pot Rest) Burner Cap (Large) Burner Ring Burner Cap Base Retaining Screws (Torx) Figure 4-10: KM406 Burner Assembly...

  • Page 36: Gas Regulator

    KM400 Series Combi-Sets Technical Information 4.3.5 Gas Regulator (Burner) The Gas Regulator is user adjustable via the Control Knob and meters the amount of gas supplied to the burner. The Gas Regulator is equipped with a connection port for the Thermocouple tube.

  • Page 37: Thermocouple

    KM400 Series Combi-Sets Technical Information 4.3.6 Thermocouple A Thermocouple is used on all burners on the KM404 and KM406 Combi-Sets. Refer to Figure 4-12. The tip of the Thermocouple is located to the side the burner ring. and is heated when the burner is producing a flame. The heated tip is connected to the capillary tube and the Gas Regulator on the other end.
  • Page 38 KM400 Series Combi-Sets Technical Information...

  • Page 39: Service And Maintenance

    Resolve as necessary before any operation. Where applicable by law; gas connections must be performed by qualified / licensed personnel. Combi-Set – Removal for Service Two styles of mounting are used on KM400 Series Combi-Sets. Mounting Combi-Set Model Number Style...

  • Page 40: Retaining Clips Mounting

    KM400 Series Combi-Sets Technical Information 5.1.1 Retaining Clips Mounting Figure 5-1: Retaining Clip Mounted without Combi-Set Installed Removal Procedure Refer to Figure 5-2. 1. Shut off the electrical supply to the appliance (i.e. shut off the circuit breaker). 2. Disconnect the electrical supply.

  • Page 41: Bracket Style Mounting

    KM400 Series Combi-Sets Technical Information 5.1.2 Bracket Style Mounting Figure 5-3: Bracket Style Mounting used on KM404 and KM406 Removal Procedure 1. Shut off the electrical supply to the appliance (i.e. shut off the circuit breaker). 2. Disconnect the electrical supply.

  • Page 42: Service Access

    KM400 Series Combi-Sets Technical Information Service Access Figure 5-4: To open Combi-Sets for service; remove the screws from the sides of the appliance. (KM404 with the visible sides shown for illustration purposes only). Does NOT apply to the KM406. 1. Remove the Combi-Set from the counter (5.1) 2.
  • Page 43 KM400 Series Combi-Sets Technical Information Figure 5-5: Underside view of KM406 (1) top / bottom retaining screws Figure 5-6: Burner Base and (1) Retaining Screws Note With the top framed section of the Combi-Set removed from the base; access to all components is possible.

  • Page 44: Km404 Gas Jet - Replacement

    KM400 Series Combi-Sets Technical Information KM404 Gas Jet(s) – Replacement 5.3.1 Main Jet Refer to Figure 5-7. 1. Shut off the electrical supply to the appliance. 2. Disconnect the electrical supply connection / plug. 3. Close the valve on the gas supply line to the appliance.

  • Page 45: Simmer Adjustment Jet

    KM400 Series Combi-Sets Technical Information 5.3.2 Simmer Adjustment Jet 1. Shut off the electrical supply to the appliance. 2. Disconnect the electrical supply connection / plug. 3. Close the valve on the gas supply line to the appliance. 4. Access the underside of the appliance.

  • Page 46: Km406 Gas Jet - Replacement

    KM400 Series Combi-Sets Technical Information KM406 Gas Jet(s) – Replacement 5.4.1 Access to Jet(s) 1. Perform the “Combi-Set – Removal for Service” Procedure (5.1). 2. Perform the “Service Access” Procedure (5.2). 5.4.2 Outer Burner Main Jet 1. Access the Jets(s) (5.4.1) 2.

  • Page 47: Simmer Adjustment Jet

    KM400 Series Combi-Sets Technical Information 5.4.3 Simmer Adjustment Jet 1. Access the Jets(s) (5.4.1) 2. Refer to figure 5-10. 3. Unscrew the two simmer adjustment jets (Items 1 and 2). 4. Use needle-nose pliers to grasp the jet(s) to remove it from the appliance.

  • Page 48: Inner Burner Main Jet

    KM400 Series Combi-Sets Technical Information 5.4.4 Inner Burner Main Jet 1. Refer to figure 5-11 2. Access the Jets(s) (5.4.1) 3. Unscrew the Tube Fitting (Item 3) from the 4. Connector (Item 2). 5. Remove the Connector (Item 2) from Air Intake Adjustment Sleeve Fitting (Item 1) 6.

  • Page 49: Inner Burner Air Intake Adjustment

    KM400 Series Combi-Sets Technical Information 5.4.5 Inner Burner Air Intake Adjustment 1. Refer to figure 5-12 2. Turn the Adjustment Sleeve to achieve the setting of 2 millimeters – as shown. Figure 5-12: Inner Burner Air Intake Adjustment...

  • Page 50: Outer Burner Air Intake Adjustment

    KM400 Series Combi-Sets Technical Information 5.4.6 Outer Burner Air Intake Adjustment 1. Refer to Figure 5-13. 2. Loosen the Locking Screw 3. Position the Air Intake Adjustment Sleeve as follows: Natural Gas = 6 Millimeters LP Gas = 7 Millimeters 4.

  • Page 51: Ignition Electrode - Removal

    KM400 Series Combi-Sets Technical Information Ignition Electrode - Removal (KM404/KM406) 1. Perform the “Combi-Set – Removal for Service” Procedure (5.1). 2. Perform the “Service Access” Procedure (5.2). 3. Remove the Electrode Retaining Spring. 4. Remove the Ignition Electrode from the base of the burner.
  • Page 52 KM400 Series Combi-Sets Technical Information...
  • Page 53 KM400 Series Combi-Sets Technical Information Fault Diagnosis Gas Combi-Sets 6.1.1 Flame Cannot Be Ignited Check for: Dirty burner head parts. / Parts not seated correctly. Dirty Ignition Electrode. / Faulty Ignition Electrode Appliance is damp (spark current grounding within the unit) Faulty Transformer.
  • Page 54 KM400 Series Combi-Sets Technical Information Electric Combi-Sets 6.2.1 Appliance Inoperative – New Installation Ensure appliance is correctly connected to the electrical supply. Ensure the electric supply matches the requirements of the appliance. 6.2.2 KM402 Inoperative Reset the Temperature Limiter (4.1.4.1) 6.2.3...

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