Thermador CT227N Double Wall Oven Manuals

Manuals and User Guides for Thermador CT227N Double Wall Oven. We have 1 Thermador CT227N Double Wall Oven manual available for free PDF download: Service Manual

Thermador CT227N Service Manual (83 pages)

27" & 30" Convection thermal ovens

Brand: Thermador | Category: Convection Oven | Size: 2.06 MB

Table of Contents
3
General
7
Data Plate Location
7
Data Plate Information
7
Component Locations
8
Safety Practices
9
Unpacking the Oven
11
Removing the Shipping Carton
11
Parts Supplied with the Oven
12
Parts and Materials You will Need
12
Servicing the Components
13
Introduction
13
The Oven Component Locations
13
Accessing the Components
14
Removing the Oven
14
Reinstalling the Oven
14
Removing an Oven Door
14
Removing the Control and Plenum Covers
15
Replacing the Air Interlocks Switch
16
Replacing the Blower Motor
16
Replacing the Blower Motor Thermostat
16
Replacing the Control Panel Glass
18
Replacing the Light Control Switch
18
Replacing the Control Board Assembly
18
The Relay Board
18
The Control Board
19
The Motorized Oven Door Latch
20
Replacing the Lower Motorized Oven Door Latch
21
Replacing the Upper Motorized Oven Door Latch
22
Replacing an Oven Light Switch
23
Replacing a High Temperature Cutout Switch
24
Replacing an Oven Light Assembly
25
Replacing an Oven Temperature Sensor
26
Replacing a Broil Element
27
Replacing a Bake Element
28
Replacing a Convection Motor
29
Replacing the Deflector Bracket
31
Replacing the Oven Door Glass and Handle
32
Replacing the Inner Oven Door Glass
33
Replacing the Outer Oven Door Glass
34
Replacing the Oven Liner
35
Troubleshooting
37
Theory of Operation
37
Error Codes for Ovens with New Dreefs Control
38
Error Codes for Ovens with Earlier Dreefs Control
39
Testing the Components
40
The Motorized Oven Door Latches
41
The Bake Element
41
Bake Circuit Check
41
The Broil Element
42
Broil Circuit Check
42
Clean Circuit Check
42
Calibrating the Oven Temperature Sensor
42
Ovens with the New Dreef's Control Board
43
Converting to the New Dreef's Control Board
43
Oven Control Logic Table
44
Electronic Control Board Circuit Table
44
Current Flow
45
Upper/Lower Oven Brake
45
Timed Bake
45
Convection Bake
45
Upper/Lower Oven Broil
46
Upper Oven Clean
46
Lower Oven Clean
46
Critical to Operation
46
Schematic Diagram
47
Wiring Diagram
48
Wiring Harness Connections
51
Operation
57
Oven Functions
57
Front Panels Using Latest Dreefs Control
57
Front Panels Using Earlier Dreefs Control
57
Cooking Modes
58
Window Displays
58
Cooking Mode/Oven Selector Window
58
Selector Knob Positions
58
Setting the Clock
59
To Set the Time of Day Clock
59
To Reset the Time of Day Clock
59
Definition of Word Display
59
Setting the Minute Timer
60
Setting the Oven
61
Bake and Convection Bake
61
To Set for Bake or Convection Bake
61
Broil
62
To Set for Broil
62
Timed Bake and Timed Convection Bake
63
To Start the Oven Now
64
To Cancel the Timed Bake Cycle
64
To Start the Oven Later
64
To Check Cook or Stop Time
65
To Change a Timed Program
65
At the End of any Timed Bake Cycle
65
Self-Cleaning the Oven
66
Before Setting the Oven to Clean
66
At the Start of the Clean Cycle
67
At the End of the Cleaninjg Cycle
67
To Start Self-Cleaning Now
68
To Start Self-Cleaning Later to Cancel the Clean Cycle
69
Calibrating the Thermostat
70
Installation
71
Venting the Oven
71
Preparing a 27" Oven
71
Outdoor Venting
71
Top Venting
72
Rear Venting
72
Preparing a 30" Oven
73
Installing the Indoor Vent Cover
73
The Vent Ducting
73
Ducting Requirements
74
Preparing the Cabinet
75
Installing a 27" Oven
75
Cabinet Cutout - Wall-Mounted - New Construction
75
Cabinet Cutout - Wall-Mounted - Existing Construction
76
Cabinet Cutout - Under-The-Counter - New Construction
76
Installing a 30" Oven
77
Wall-Mounted Units
77
Under-The-Counter Units
77
Under-The-Counter Installation with Thermador Cooktops
79
Electrical Requirements
80
Installing the Oven
81
Indoor-Vented Ovens
81
Outdoor-Vented Ovens
81
Removing the Oven Door
81
Mounting the Bottom Trims
82
Installing the Bottom Trims
82
Installing the Botton Trim Extension
82

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