Middleby Marshall PS740 Series Electric Ovens 60254 - Manual (Page 4)

IV P/N 60254 September 28, 2012
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.
Page
SECTION 1 – DESCRIPTION ............................................ 1
I. OVEN USES ............................................................. 1
II. OVEN COMPONENTS ............................................. 1
A. Conveyor Motor Drive ................................... 1
B. Crumb Pans .................................................. 1
C. Conveyor ....................................................... 1
D. End Plugs ...................................................... 1
E. Eyebrows ....................................................... 1
F. Window .......................................................... 1
G. Machinery Compartment Access Panel ........ 1
H. Serial Plate .................................................... 1
I. Control Panel ................................................. 1
J. Photo Cell ...................................................... 1
K. Blowers .......................................................... 1
L. Air Fingers ..................................................... 1
III. OVEN SPECIFICATIONS ......................................... 2
A. Dimensions .................................................... 2
B. General Specifications .................................. 2
C. Electrical Specifications for
PS740 Electric Ovens ................................... 2
SECTION 2 – INSTALLATION .......................................... 3
I. BASE PAD KIT ......................................................... 4
II. INSTALLATION KIT .................................................. 6
III. VENTILATION SYSTEM ........................................ 12
A. Requirements .............................................. 12
B. Recommendations ...................................... 12
C. Other Ventilation Concerns ......................... 12
IV. ASSEMBLY ............................................................ 13
A. Base Pad, Legs, Casters ............................. 13
B. Stacking ....................................................... 14
C. Restraint Cable Installation ......................... 14
D. Conveyor Installation ................................... 15
E. Standoff Installation ..................................... 15
V. FINAL ASSEMBLY ................................................. 16
VI. ELECTRICAL SUPPLY .......................................... 17
Connection ....................................................... 17
UTILITY ROUGH-IN DIMENSIONS AND ...................
POSITIONING FOR PS840-SERIES OVENS ................... 18
Circuit Breaker .................................................. 18
Electrical Specifications .................................... 18
Electrical Rating ............................................... 18
Supply Wire ...................................................... 18
Suggested ........................................................ 18
Page
SECTION 3 – OPERATION ............................................. 19
I. LOCATION AND DESCRIPTION OF CONTROLS 19
II. NORMAL OPERATION, STEP-BY-STEP .............. 20
A. Main Screen ................................................ 20
B. Daily Startup Procedure .............................. 20
C. Daily Shutdown Procedure .......................... 20
III. QUICK REFERENCE: TROUBLESHOOTING ....... 21
IV. SCREEN ALERTS .................................................. 21
SECTION 4 – MAINTENANCE ........................................ 22
I. MAINTENANCE – DAILY ....................................... 22
II. MAINTENANCE – MONTHLY ................................ 23
III. MAINTENANCE – EVERY 3 MONTHS .................. 24
IV. MAINTENANCE – EVERY 6 MONTHS .................. 25
V. KEY SPARE PARTS KIT ........................................ 26
SECTION 5 – TROUBLESHOOTING ............................... 27
SECTION 6 – ELECTRICAL WIRING DIAGRAM ............ 28
WIRING DIAGRAM, 740 Electric Oven, E208/240V,
50/60 Hz, 3 Ph .............................................................. 28
WIRING DIAGRAM, 740 Electric Oven, E380-480V,
50/60 Hz, 3 Ph .............................................................. 29
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