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NOTE
Wiring Diagrams are in Section 6 of this Manual.
The diagram for each oven is also on the lower
inner surface of its Control Console.
TABLE OF CONTENTS
Page
SECTION 1
I. MODEL IDENTIFICATION .............................................. 1
SERIES PS520 GAS SPECIFICATIONS............................ 2
II. COMPONENT FUNCTION ............................................. 4
A. Conveyor Motor and Conveyor Belt ........................ 4
B. Blower Fan ................................................................. 4
C. Gas Burner ................................................................ 4
D. Cooling Fan ................................................................ 4
E. Air Fingers and Blank Plates - See Figure 1-9 ........ 4
SECTION 2
I. UNLOADING ................................................................... 8
PARTS LIST FOR SERIES PS520 GAS OVEN
INSTALLATION KIT .................................................... 8
UTILITY ROUGH-IN DIMENSIONS AND POSITIONING
FOR PS520-SERIES OVENS .................................... 13
CIRCUIT BREAKER ..................................................... 13
ELECTRICAL SPECIFICATIONS ................................. 13
ELECTRICAL RATING ................................................. 13
SUPPLY WIRE .............................................................. 13
SUGGESTED ................................................................ 13
II. VENTILATION GUIDELINES ........................................ 13
III. ELECTRICAL CONNECTION INFORMATION FOR
PS520-SERIES OVENS. ........................................... 14
IV. ELECTRIC SUPPLY FOR GAS HEATED OVENS ..... 14
V. GAS SUPPLY .............................................................. 15
SECTION 3 INSTALLATION
I. CONTROL FUNCTIONS ................................................ 17
II. COMPONENT INFORMATION AND LOCATION ......... 18
A. Door Safety Switch.................................................. 18
B. Blower Switch .......................................................... 18
C. Heat Switch .............................................................. 18
D. Temperature Controller .......................................... 18
E. Conveyor ................................................................. 19
MEASURING CONVEYOR SPEED. ............................. 19
TABLE OF CONTENTS
(Continued)
Page
III. STEP-BY-STEP OPERATION ....................................... 20
A. Startup Procedures ................................................. 20
Daily Startup................................................................. 20
Power Failure ............................................................... 20
B. Shutdown Procedure............................................... 20
IV. NORMAL OPERATION - STEP-BY-STEP ................... 22
A.Daily Startup Procedure ........................................... 22
B. Daily Shutdown Procedure ...................................... 22
V. QUICK REFERENCE: TROUBLESHOOTING ............ 24
SECTION 4 MAINTENANCE
I. MAINTENANCE - DAILY ............................................26
A. Exterior ..................................................................... 26
B. Cooling Fan ............................................................... 26
C. Conveyor Belt .......................................................... 26
D. Crumb Pans ............................................................. 26
II. MAINTENANCE - MONTHLY ....................................... 27
A. Removing Conveyor From Oven For Cleaning ..... 27
B. Air Fingers Disassembly For Cleaning.................. 29
C. Reassembly of Air Fingers ..................................... 30
D. Reinstall End Plugs ................................................. 33
E. Conveyor Reassembly Into Oven ..........................34
F. Checking Conveyor Belt Tension ........................... 34
G. Conveyor Belt Link Removal ................................. 35
H. Attaching Drive Chain ............................................. 36
III. MAINTENANCE - EVERY 3 MONTHS ......................... 37
A. Electrical Terminals ................................................ 37
B. Ventilation ................................................................ 37
IV. MAINTENANCE - EVERY 6 MONTHS ........................ 37
PS520-SERIES GAS OVEN KEY SPARE
PARTS ....................................................................... 38
KEY SPARE PARTS KIT ............................................... 38
SECTION 5 TROUBLESHOOTING
Troubleshooting Charts ...................................................... 39
SECTION 6 ELECTRICAL SCHEMATICS
Wiring Diagram, G208-240V 50/60 GO, PS520 ...............41