Miele KM 400 Manual

© 2004 Miele
TECHNICAL INFORMATION
KM400 Series Combi-Sets

KM400 Series Combi-Sets - Table of Contents
1.0 CONSTRUCTION & DESIGN
1.1 Summary of KM400 Series Combi-Sets 1
1.2 Appliance Overview 3
1.2.1 KM400 Overview 3
1.2.1.1 KM400 Components 4
1.2.2 KM402 Overview 5
1.2.2.1 KM400 Components 6
1.2.3 KM404 Overview 7
1.2.3.1 KM404 Components 8
1.2.4 KM406 Overview 9
1.2.4.1 KM406 Components 10
1.2.5 KM408 Overview 11
1.2.5.1 KM408 Components 12
1.2.6 KM410/KM411 Overview 13
1.2.6.1 KM410/KM411 Components 14
2.0 INSTALLATION
Installation Procedures 15
3.0 COMMISSION and OPERATION
3.1 Operating Instructions Information 17
4.0 DESCRIPTION of FUNCTION
4.1 Components – Electric Combi-Sets 19
4.1.1 Operational Thermostat 19
4.1.2 Regulator- Electric 19
4.1.3 Temperature Monitor 20
4.1.4 Temperature Limiters 20
4.1.4.1 Temperature Limiter – KM402 20
4.1.4.2 Temperature Limiter – KM410/KM411 21
4.1.5 Operational Indicator 22
4.1.6 Residual Heat Indicator 22
4.1.7 Heater Element 22
4.1.8 On/Off Switch 22

4.0 DESCRIPTION of FUNCTION (Continued)
4.2 Electrical Components – KM404 & KM406 23
4.2.1 Transformer and Ignition Switch 23
4.2.2 Ignition Electrode 23
4.3 Mechanical Components – Gas Combi-Sets 24
4.3.1 Main Gas Regulator 24
4.3.2 Conversion to LP (Propane) Gas 24
4.3.3 Switching the Burner Rings On/Off 25
4.3.4 Burner Assembly (KM404 & KM406) 26
4.3.5 Gas Regulator 28
4.3.6 Thermocouple 29
5.0 SERVICE and MAINTENANCE
5.1 Combi-Set – Removal for Service 31
5.1.1 Retaining Clips Mounting 32
5.1.2 Bracket Style Mounting 33
5.2 Service Access 34
5.3 KM404 Gas Jet - Replacement 36
5.3.1 Main Jet l 36
5.3.2 Simmer Adjustment Jet 37
5.4 KM406 Gas Jet - Replacement 38
5.4.1 Access to Jets 38
5.4.2 Outer Burner Main Jet 38
5.4.3 Simmer Adjustment Jet 39
5.4.4 Inner Burner Main Jet 40
5.4.5 Inner Burner Air Intake Adjustment 41
5.4.6 Outer Burner Air Intake Adjustment 42
5.5 Ignition Electrode – Removal 43
5.6 Thermocouple – Removal 43

6.0 FAULT DIAGNOSIS
6.1GasCombi-Sets 45
6.1.1 Flame Cannot Be Ignited 45
6.1.2 The Flame Goes Out When Using a Low Setting 45
6.1.3 Uneven / Flickering Flame 45
6.1.4 Unusual Color Flames 45
6.1.5 Flame not visible around entire burner / uneven flames 45
6.1.6 Flame goes out about 30 seconds after igniting 45
6.2 Electric Combi-Sets 46
6.2.1 Appliance Inoperative – New Installation 46
6.2.2 KM402 Inoperative 46
6.2.3 KM410/KM411 Inoperative 46

KM400 Series CombiSets – List of Figures
1-1 KM400 Overview 3
1-2 KM400 Components 4
1-3 KM402 Overview 5
1-4 KM402 Components 6
1-5 KM404 Overview 7
1-6 KM404 Components 8
1-7 KM406 Overview 9
1-8 KM406 Components 10
1-9 KM408 Overview 11
1-10 KM408 Components 12
1-11 KM410/KM411 Overview 13
1-12 KM410/KM411 Components 14
2-1 Typical Installation Manual (cover) 15
3-1 Typical Operating Manual (cover 17
4-1 Switching extended cooking area – KM400 19
4-2 Reset Button – KM402 20
4-3 Water Levels for KM410 & KM411 21
4-4 Electric Heater Element (typical) 22
4-5 Ignition Circuit (KM404) 23
4-6 Gas Regulator 24
4-7 KM404 Control Knob 25
4-8 KM406 Control Knob 25
4-9 KM404 Burner Assembly 26
4-10 KM406 Burner Assembly 27
4-11 Typical Gas Combi-Set Components 28
4-12 Thermocouple / Regulator w/ lit burner 29
4-13 Thermocouple / Regulator with extinguished burner 29
5-1 Retaining Clip Mounted 32
5-2 Removal of Combi-Set from Retaining Clips 32
5-3 Bracket Style Mounting used on KM404 & KM406 33
5-4 Opening Combi-Set for Service 34
5-5 Underside view of KM406 retaining screws 35
5-6 Burner Base and Retaining Screws 35
5-7 KM404 Burner Components 36
5-8 KM404 Simmer Adjustment Jets 37
5-9 Outer Burner Jet Replacement 38
5-10 KM406 Simmer Adjustment Jets 39

KM400 Series CombiSets – List of Figures (Continued)
5-11 Inner Burner Jets and Components 40
5-12 Inner Burner Air Intake Adjustment 41
5-13 Outer Burner Air Intake Adjustment 42

KM400 Series Combi-Sets – List of Tables
1-1Summary of KM400 Series Combi-Sets 1
5-1 Mounting Information 31

Technical Information
1
KM400 Series Combi-Sets
Table 1-1: Summary of KM400 Series Combi-Sets
1.0 Construction and Design
1.1 Summary of KM400 Series Combi-Sets
Model
Number
Description of
Combi-Set
Electrical
Requirements BTU (Gas Models Only)
KM400 2 Burner Electric
(Black Ceran) 240VAC N/A
KM402 Deep Fryer (Black
Ceran) 240VAC N/A
KM404 2 Burner Gas (Black
Ceran) 120VAC
Front Burner
Min. Output 1000
Max. Output 6000
Rear Burner
Min. Output 1600
Max. Output 10000
KM406 Single Wok Burner
(Black Ceran) 120VAC Min. Output 620
Max. Output 17500
KM408
Griddle (Black Ceran) 240VAC N/A
KM411
Grill (Black Ceran) 240VAC N/A

Technical Information
2
KM400 Series Combi-Sets

Technical Information
3
KM400 Series Combi-Sets
1.2 Appliance Overview & Layout of Components
Products are listed in numeric order by model number.
1.2.1 KM400 - Overview
Figure 1-1: KM400 Overview

Technical Information
4
KM400 Series Combi-Sets
1.2.1.1 KM400 - Components
Figure 1-2: KM400 Components
1F1 Temperature Monitor
R7 Heater Element (Inner)
R7/1 Heater Element (Outer – Extended)
1H1/7 Residual Heat Indicator
2H1/7 Residual Heat Indicator
2F1 Temperature Monitor
R8 Heater Element
2B7 Regulator
2H1/1 Operational Indicator
X3/1 Terminal Block
1H1/2 Operational Indicator
1B7 Regulator

Technical Information
5
KM400 Series Combi-Sets
1.2.2 KM402 - Overview
Figure 1-3: KM402 Overview

Technical Information
6
KM400 Series Combi-Sets
1.2.2.1 KM402 - Components
Figure 1-4: KM402 Components
F2 Temperature Limiter (Reset Button)
X3/1 Terminal Block
H1/5 Operational Indicator
S2 Switch
B2 Thermostat
R1 Heater Element

Technical Information
7
KM400 Series Combi-Sets
1.2.3 KM404 - Overview
Figure 1-5: KM404 Overview

Technical Information
8
KM400 Series Combi-Sets
1.2.3.1 KM404 - Components
Figure 1-6: KM404 Components
(1E1/1) & (2E1/1) Electrode - Ignition
(X3/1) Terminal Block
(1S47) & (2S47) Switch - Ignition
(T1) Ignition transformer

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

Technical Information
10
KM400 Series Combi-Sets
1.2.4.1 KM406 - Components
Figure 1-8: KM406 Components
T1 Transformer (Spark Module)
E1/1 Ignition Electrode
X3/1 Terminal Block
S37 Switch

Technical Information
11
KM400 Series Combi-Sets
1.2.5 KM408 - Overview
Figure 1-9: KM408 Overview

Technical Information
12
KM400 Series Combi-Sets
1.2.5.1 KM408 - Components
Figure 1-10: KM408 Components
R1 Heater Element
H1/2 Operational Indicator
B7 Regulator
X3/1 Terminal Block