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Middleby Marshall
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PS520E
Middleby Marshall PS520E User Manual
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installation
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manual
PS520-Series O
VENS
Model PS520E
PS520-Series Electric Ovens:English
PS520 Single
PS520 Double
PS520 Triple
©2006 Middleby Marshall Inc.
Part No., 52358
090/6
2
Table of Contents
Table of Contents
4
Section 1 - Description
5
Model Identification
5
Series PS520 Electrical Specifications
6
Component Function
7
Conveyor Motor and Conveyor Belt
7
Blower Fan
7
Electric Heaters
7
Cooling Fan
7
Air Fingers and Blank Plates - Figure 4-8 & 4-14
7
Section 2 - Installation
8
Unloading
8
PS520 Oven Installation Required Kits and Equipment
9
Oven Dimensions - Single, Double, Triple
10
Utility Rough in Dimensions and Positioning for PS520 Series Ovens
11
Circuit Breaker
11
Electrical Specifications
11
Electrical Rating
11
Supply Wire
11
Suggested
11
Ventilation Guidelines
11
Electrical Connection Information for Ps520-Series Ovens
12
Electric Supply for Electric-Heated Ovens
12
Section 3 - Operation
13
Control Functions
13
Component Functions
14
Door Safety Switch
14
Blower Switch
14
Heat Switch
14
Temperature Controller
14
Conveyor
15
Measuring Conveyor Speed
15
Step-By-Step Operation
16
Start-Up Procedures
16
Daily Start-Up
16
Power Failure
16
Shutdown Procedure
16
Normal Operation - Step-By-Step
17
Daily Start-Up Procedure
17
Daily Shutdown Procedure
17
Quick Reference: Troubleshooting
19
Section 4 - Maintenance
20
Maintenance - Daily
21
Exterior
21
Cooling Fan
21
Conveyor Belt
21
Crumb Pan
21
Maintenance - Monthly
22
Removing Conveyor from Oven for Cleaning
22
Air Fingers Disassembly for Cleaning
24
Reassembly of Air Fingers
25
Reinstall End Plugs
27
Conveyor Reassembly into Oven
28
Checking Conveyor Belt Tension
28
Conveyor Belt Link Removal
29
Attaching Drive Chain
30
Maintenance - Every 3 Months
31
Electrical Terminals
31
Ventilation
31
Maintenance - Every 6 Months
31
Key Spare Parts Kits
32
Troubleshooting
33
SECTION 5 - TROUBLESHOOTING CHARTS Trouble Shooting Charts
33
Section 6 - Electrical Schematic
34
Wiring Diagram, E208-240V 50/60 Hz 1Ph
34
Wiring Diagram, E380-480V 50/60 Hz 1 Ph
35
Wiring Diagram, E230-240V CE, 1Ph
36
Wiring Diagram, E380-400V CE, 1Ph
37
Wiring Diagram, E380-400V CE, 3Ph
38
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Middleby Marshall PS520E Specifications
General
Model
PS520E
Category
Oven
Conveyor Width
20 inches
Belt Width
20 inches
Type
Conveyor Pizza Oven
Power Supply
Electric
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