Middleby Marshall X55G Series, Owner'S Operating & Installation Manual

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iv
Table of Contents
SECTION 1 DESCRIPTION ............................................... 5
I. MODEL IDENTIFICATION ...................................... 5
II. X70G/X55G SERIES SPECIFICATIONS................. 6
III. COMPONENT FUNCTION ...................................... 7
A. On/Off Switch & Control Panel
(User Interface) ................................................... 7
B. Serial Data Plate ................................................. 7
C. Reset Circuit Breakers ....................................... 7
D. Conveyor Drive Motor ........................................ 7
E. Conveyor ............................................................. 7
F. Crumb Pans ........................................................ 7
G. High Limit Reset Button .................................... 7
H. End Plugs ............................................................ 7
I. Air Curtains or Eyebrows .................................. 7
J. Window ............................................................... 7
K. Photo Cell or Electronic Eye ............................. 7
L. Main Blowers (not shown) ................................. 7
M. Air Impingement Fingers (not shown) .............. 7
SECTION 2 INSTALLATION ............................................. 9
I. UNLOADING AND ROUGH-IN ............................. 10
II. VENTILATION GUIDELINES ................................ 19
A. Requirements ................................................... 19
B. Recommendations ........................................... 19
C. Other Ventilation Concerns ............................. 19
III. ASSEMBLY ........................................................... 20
A. Base Pad and Leg Assembly .......................... 20
B. Stacking ............................................................ 21
C. Restraint Cable Installation ............................. 21
D. Conveyor Installation ....................................... 22
E. Final Assembly ................................................. 23
F. Conveyor Belt Reversal ................................... 23
IV. ELECTRICAL CONNECTION ................................ 24
V. GAS CONNECTION .............................................. 24
A. Gas Conversion ................................................ 25
B. X70G/X55G Propane Conversion Kit 77601 .... 25
SECTION 3 OPERATION ................................................. 27
I. DESCRIPTION OF CONTROLS – USER
INTERFACE ........................................................... 27
A. Control Keys ..................................................... 27
B. Display Features ............................................... 28
II. NORMAL OPERATION ......................................... 28
A. Daily Start-up Procedure .................................. 28
B. Adjusting the Temperature .............................. 28
C. Adjusting the Belt Time .................................... 29
D. Daily Shutdown Procedure (Turning the Oven
Off) ..................................................................... 29
III. PROGRAMMING INSTRUCTIONS
(MANAGERS MODE) ............................................ 29
A. Changing Baking Blower Speeds
(Run Mode) ........................................................ 29
B. Changing Energy Mode Status (Run Mode) ... 29
C. System Setup .................................................... 30
D. Energy Management Information .................... 30
SECTION 4 MAINTENANCE ............................................ 31
I. MAINTENANCE - DAILY ....................................... 31
II. MAINTENANCE - MONTHLY ................................ 31
III. MAINTENANCE - EVERY 3 MONTHS .................. 34
IV. MAINTENANCE - EVERY 6 MONTHS .................. 35
V. KEY SPARE PARTS ............................................. 36
SECTION 5 TROUBLESHOOTING .................................. 39
I. TROUBESHOOTING GUIDE ................................. 39
II. ALERTS, ERRORS & REMEDIES ........................ 40
SECTION 6 ELECTRICAL SCHEMATICS ....................... 41