Middleby Cooking Systems Group PS520E - Manual (Page 4)

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Table of Contents Table of Contents
(continued)
SECTION 1 - DESCRIPTION
I. MODEL IDENTIFICATION ............................................ 1
Series PS520 Electrical Specifications ............................. 2
II. COMPONENT FUNCTION .......................................... 3
A. Conveyor Motor and Conveyor Belt ......................... 3
B. Blower Fan ............................................................... 3
C. Electric Heaters ........................................................ 3
D. Cooling Fan .............................................................. 3
E. Air Fingers and Blank Plates - Figure 4-8 & 4-14 ..... 3
SECTION 2 - INSTALLATION
I. UNLOADING ................................................................. 4
PS520 Oven Installation
Required Kits And Equipment ................................... 5
Oven Dimensions - Single, Double, Triple ................... 6
Utility Rough In Dimensions and Positioning
For PS520 Series Ovens .......................................... 7
Circuit Breaker .............................................................. 7
Electrical Specifications ................................................ 7
Electrical Rating ............................................................ 7
Supply Wire .................................................................. 7
Suggested ..................................................................... 7
II. VENTILATION GUIDELINES ....................................... 7
III. ELECTRICAL CONNECTION INFORMATION FOR
PS520-SERIES OVENS ........................................... 8
IV. ELECTRIC SUPPLY FOR ELECTRIC-HEATED
OVENS ...................................................................... 8
SECTION 3 - OPERATION
I. CONTROL FUNCTIONS ............................................... 9
II. COMPONENT FUNCTIONS ...................................... 10
A. Door Safety Switch ................................................. 10
B. Blower Switch ......................................................... 10
C. Heat Switch ............................................................ 10
D. Temperature Controller .......................................... 10
E. Conveyor ................................................................ 11
Measuring Conveyor Speed ....................................... 11
III. STEP-BY-STEP OPERATION .................................. 12
A. Start-up Procedures ............................................... 12
Daily Start-up .......................................................... 12
Power Failure .......................................................... 12
B. Shutdown Procedure .............................................. 12
IV. NORMAL OPERATION - STEP-BY-STEP ............... 13
A. Daily Start-up Procedure ........................................ 13
B. Daily Shutdown Procedure ..................................... 13
V. QUICK REFERENCE: TROUBLESHOOTING .......... 15
SECTION 4 - MAINTENANCE
I. MAINTENANCE - DAILY ............................................. 16
A. Exterior ................................................................... 17
B. Cooling Fan ............................................................ 17
C. Conveyor Belt ......................................................... 17
D. Crumb Pan ............................................................. 17
II. MAINTENANCE - MONTHLY .................................... 18
A. Removing Conveyor From Oven For Cleaning ...... 18
B. Air Fingers Disassembly For Cleaning ................... 20
C. Reassembly of Air Fingers ..................................... 21
D. Reinstall End Plugs ................................................ 23
E. Conveyor Reassembly Into Oven ........................... 24
F. Checking Conveyor Belt Tension ........................... 24
G. Conveyor Belt Link Removal .................................. 25
H. Attaching Drive Chain ............................................ 26
III. MAINTENANCE - EVERY 3 MONTHS ..................... 27
A. Electrical Terminals ................................................ 27
B. Ventilation ............................................................... 27
IV. MAINTENANCE - EVERY 6 MONTHS ..................... 27
Key Spare Parts Kits ................................................... 28
SECTION 5 - TROUBLESHOOTING CHARTS
Trouble Shooting Charts ............................................. 29
SECTION 6 - ELECTRICAL SCHEMATIC
Wiring Diagram, E208-240V 50/60 Hz 1Ph ................ 30
Wiring Diagram, E380-480V 50/60 Hz 1 Ph ............... 31
Wiring Diagram, E230-240V CE, 1Ph ......................... 32
Wiring Diagram, E380-400V CE, 1Ph ......................... 33
Wiring Diagram, E380-400V CE, 3Ph ......................... 34