Middleby Marshall PS500 - Manual (Page 3)

3
ENGLISH
SECTION 1 - DESCRIPTION ................................................... 4
I. OVEN USES ............................................................. 4
II. OVEN COMPONENTS ............................................. 4
A. Conveyor Drive Motor ....................................... 4
B. Crumb Pans ..................................................... 4
C. Conveyor End Stop........................................... 4
D. Conveyor Rear Stop......................................... 4
E. Conveyor ........................................................... 4
F. End Plugs ......................................................... 4
G. Eyebrows .......................................................... 4
H. Window ............................................................. 4
I.
Serial Plate ....................................................... 4
J. Machinery Compartment Access Panel .......... 4
K. Control Panel .................................................... 4
L. Gas Burner or Heating Elements .................... 4
M. Blowers ............................................................. 4
N. Air Fingers ........................................................ 4
III. OVEN SPECIFICATIONS ......................................... 4
A. Dimensions ...................................................... 4
B. General Specifications ..................................... 4
C. Electrical Specifications for Electric Ovens ..... 4
D. Electrical Specifications for Gas Ovens .......... 5
E. Gas Orifice and Pressure Specifications ........ 5
SECTION 2 - INSTALLATION.................................................. 5
I. BASE PAD KIT .......................................................... 6
II. INSTALLATION KIT .................................................. 7
III. VENTILATION SYSTEM ........................................... 7
A. Requirements .................................................. 7
B. Recommendations .......................................... 7
C. Other Ventilation Concerns .............................. 7
IV. ASSEMBLY ............................................................... 8
A. Base Pad, Legs, Casters, and Stacking ......... 8
B. Restraint Cable Installation ............................. 8
C. Conveyor Installation ........................................ 8
V. FINAL ASSEMBLY ................................................... 10
VI. ELECTRICAL SUPPLY ........................................... 10
TABLE OF CONTENTS
VII. GAS SUPPLY .......................................................... 11
A. Connection ...................................................... 11
B. Preparation for Use with Various Gases ....... 12
C. Replacing the Gas Orifices ............................. 12
D. Checking the Gas Supply (Inlet) Pressure .... 13
E. Adjusting the Orifice (Manifold) Pressure
and Heat Input ................................................. 13
SECTION 3 - OPERATION ..................................................... 14
I. LOCATION AND DESCRIPTION OF CONTROLS . 14
A. "BLOWER" (
) Switch ................................... 14
B. "HEAT" ( ) Switch ......................................... 14
C. "CONVEYOR" ( ) Switch ............................ 14
D. "RESET" ( ) Switch ....................................... 14
E. Conveyor Speed Controller ............................. 14
F. Digital Temperature Controller ....................... 14
G. Machinery Cpt. Access Panel Safety Switch .. 14
II. NORMAL OPERATION, STEP-BY-STEP ................ 15
A. Daily Startup Procedures ................................ 15
B. Daily Shutdown Procedures ........................... 15
III. QUICK REFERENCE: DIGITAL TEMP CONTROL. 16
IV. QUICK REFERENCE: TROUBLESHOOTING ....... 17
SECTION 4 - MAINTENANCE ................................................. 18
I. MAINTENANCE - DAILY .......................................... 18
II. MAINTENANCE - MONTHLY .................................. 19
III. MAINTENANCE - EVERY 3 MONTHS .................... 20
IV. MAINTENANCE - EVERY 6 MONTHS .................... 21
V. KEY SPARE PARTS KIT ......................................... 22
SECTION 5 - ELECTRICAL WIRING DIAGRAMS ................... 23
I. SCHEMATIC, PS555G OR PS570G GAS
OVEN, 230V, 50 Hz, 1 Ph........................................ 23
II. WIRING DIAGRAM, PS555G OR PS570G
GAS OVEN WITH TYPE 1 GAS VALVE,
230V, 50 Hz, 1 Ph ................................................... 24
III. WIRING DIAGRAM, PS555G OR PS570G
GAS OVEN WITH TYPE 2 GAS VALVE,
230V, 50 Hz, 1 Ph ................................................... 25
IV. SCHEMATIC, PS555E ELECTRIC OVEN,
380V, 50 Hz, 3 Ph ................................................... 26
V. WIRING DIAGRAM, PS555E ELECTRIC
OVEN, 380V, 50 Hz, 3 Ph........................................ 27
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