Table of Contents
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A Star Manufacturing Company
10 SUNNEN DRIVE, ST. LOUIS, MO/U.S.A. 63143
PHONE (314) 781-2777
FAX (314) 781-3636
HOLMAN CONVEYOR SANDWICH WARMER MANUAL
FOR SERVICE INFORMATION U. S. AND CANADA CALL:
SUBJECT
UNCRATING AND INSPECTION
ASSEMBLY AND INSTALLATION
OPERATION
BASIC CLEANING PROCEDURES
TROUGLESHOOTING
PREVENTATIVE MAINTENANCE & SCHEDULED CLEANING
•
DAILY CLEANING
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WEEKLY BELT CLEANING
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MONTHLY CLEANING
•
LONG TERM CLEANING
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REPLACING HEATER TUBES
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REPLACING COOLING FANS
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REPLACING BELT DRIVE MOTOR
WARRANTY PAGE
PARTS LIST AND HEATER TUBE LISTING
WIRING DIAGRAMS
Electric Cooking Equipment for the Food Service Industry
Conveyor Toasters & Ovens
2M-HG0500
MODEL QT14
TOLL FREE 1-800-807-9054
TABLE OF CONTENTS
Cheese Melters
Certain Models
Broilers
Pretzel Bakers
Rev C 2/22/06
PAGE
1
1 & 2
3
3 & 4
5 & 6
7 & 8
9
10 & 11
12
13 & 14
15
16 & 17
18
19 - 21
22 - 24
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Table of Contents
Summary of Contents for Holman qt14
- Page 1 A Star Manufacturing Company 10 SUNNEN DRIVE, ST. LOUIS, MO/U.S.A. 63143 PHONE (314) 781-2777 FAX (314) 781-3636 HOLMAN CONVEYOR SANDWICH WARMER MANUAL FOR SERVICE INFORMATION U. S. AND CANADA CALL: SUBJECT UNCRATING AND INSPECTION ASSEMBLY AND INSTALLATION OPERATION BASIC CLEANING PROCEDURES TROUGLESHOOTING PREVENTATIVE MAINTENANCE &...
- Page 2 Vent hoods can be hard-wired into the oven or to the same wall circuit. Reality: Your conveyor oven can not support the current draw of the oven and a hood. This practice will decrease performance and reliability as well as jeopardize the Underwriter Laboratory’s safety certification.
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Page 3: Uncrating And Inspection
On/Off toggle to the ON position. Turn conveyor belt speed control to the maximum setting and check all heater tubes and conveyor for proper operation. IF FURTHER ASSISTANCE IS REQUIRED: CONTACT STAR/HOLMAN FACTORY SERVICE TEAM AT 1-800-807-9054 ADJUSTABLE LEGS SCREW INTO BOTTOM OF UNIT... - Page 4 7. If a problem is discovered during start up procedures, immediately turn the Master On/Off switch to the OFF position and call the Holman Cooking Equipment Factory Service Team at 1-800-807-9054.
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Page 5: Operation
Refer to the Troubleshooting section if the machine is not performing as expected. BASIC CLEANING PROCEDURES Preventive maintenance for your Holman oven consists of the following recommended cleaning procedures. To keep your oven in its top operating condition, these steps should be performed daily or weekly as indicated. - Page 6 COOL FOR SEVERAL HOURS BEFORE STARTING THE CLEANING PROCEDURE. Re-assemble unit and check to be sure it is operating properly. If assistance is required contact the Star/Holman Factory Service Team at 1-800-807-9054 (24 hours/day 7days a week). IF FURTHER ASSISTANCE IS REQUIRED:...
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Page 7: Troubleshooting Guide
Check to see if the Master On/Off Switch is in the ON position. Press heat limit switch, located beneath the unload tray as shown above Your Holman Conveyor Oven is equipped with an automatically activated HEAT LIMIT SWITCH that interrupts the heater tube connections if the air temperature in the control box exceeds 190°F (88°C). - Page 8 Remove panels with fan motors and check fan blades for obstructions/breakage. o Check motor cords for secure connection o Call the Star/Holman Factory Service Team, as the fan switches and/or fan motor(s) may need to be replaced. IF FURTHER ASSISTANCE IS REQUIRED:...
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Page 9: Preventive Maintenance
PREVENTIVE MAINTENANCE DAILY CLEANING PROCEDURES TO KEEP YOUR HOLMAN MODEL QT14 CONVEYOR SANDWICH WARMER AT PEAK OPERATING EFFICIENCY, THE FOLLOWING INSTRUCTIONS ARE RECOMMENDED: Turn power off and allow cooling fans to run until the control box is cooled off. The fans are controlled by a thermostat in the control box. - Page 10 Line up the six holes of the window trim ring with six holes on the side of the warmer and re-install the thumbscrews. IF FURTHER ASSISTANCE IS REQUIRED: CONTACT STAR/HOLMAN FACTORY SERVICE TEAM AT 1-800-807-9054...
- Page 11 WEEKLY CONVEYOR BELT CLEANING PROCEDURES TO KEEP YOUR HOLMAN MODEL QT14 CONVEYOR SANDWICH WARMER AT PEAK OPERATING EFFICIENCY, THE FOLLOWING INSTRUCTIONS ARE RECOMMENDED: Turn power off and allow cooling fans to run until the control box is cooled off. The fans are controlled by a thermostat in the control box.
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Page 12: Monthly Cleaning Procedures
SURE THE SANDWICH WARMER IS COMPLETELY COOLED BEFORE PERFORMING ANY OF THE FOLLOWING PROCEDURES. Working from the power supply side of the oven, locate the electrical box side panel. Remove two screws holding panel in place and remove panel. Drive chain is now exposed. - Page 13 Return unit to counter and remove screw holding power supply side panel in place. Carefully lift panel up and out. Two ground straps hold panel to oven chassis. DO NOT REMOVE GROUND STRAPS OR DISCONNECT POWER SUPPLY CORD. Vacuum any dust and debris from inside of unit (repeat for opposite side).
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Page 14: Long Term Cleaning
4. Replace control box covers and fasten with screws. Put the machine back on its feet. 5. Remove side panels and vacuum compartments as performed under monthly cleaning procedures. IF FURTHER ASSISTANCE IS REQUIRED: CONTACT STAR/HOLMAN FACTORY SERVICE TEAM AT 1-800-807-9054 NOTE: TO PREVENT DAMAGE TO CONTROLS OR ELEMENTS, DO NOT SET THE MACHINE ON SIDE PANELS. -
Page 15: Maintenance Procedures
6. Slide the retainer to line up the round part of the keyhole with the tube. Re-tighten one or two of the screws to hold the retainer up. 7. Select the first heater tube to be replaced and remove the wires from terminal block connections (both sides). IF FURTHER ASSISTANCE IS REQUIRED: CONTACT STAR/HOLMAN FACTORY SERVICE TEAM AT 1-800-807-9054... - Page 16 15. Secure all loose heater tube wires with high temperature wire ties. IF FURTHER ASSISTANCE IS REQUIRED: CONTACT STAR/HOLMAN FACTORY SERVICE TEAM AT 1-800-807-9054 NOTE: Top and bottom tubes are of different wattage ratings. Make sure that the correct tubes are being replaced or...
- Page 17 5. Reconnect the power cord to the fan and secure it to the fan with wire ties in the original location. 6. Replace the air intake panel and turn on the machine. Check that both fans come on after the oven has heated up. AIR INTAKE COVER...
- Page 18 Tighten the drive motor screws. Align driver and driven sprockets and tighten the setscrews onto the flat areas on the motor and drive shafts. Rewire the new motor as noted in the disconnect instructions above. IF FURTHER ASSISTANCE IS REQUIRED: CONTACT STAR/HOLMAN FACTORY SERVICE TEAM AT 1-800-807-9054 DRIVE SPROCKET...
- Page 19 IF FURTHER ASSISTANCE IS REQUIRED: CONTACT STAR/HOLMAN FACTORY SERVICE TEAM AT 1-800-807-9054 Note: During factory assembly, a 1/8” side-to-side play is adjusted into the driveshaft to allow for chassis expansion. 1. Unit must be cool 2. Do not adjust the sprocket on the driveshaft.
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Page 20: Warranty
Visit our Website at: www.star-mfg.com This unit has been tested for proper operation before leaving our plant to insure delivery of your unit in perfect condition. However, there are instances in which the unit may be damaged in transit. In the event you discover any type of damage to your product upon receipt, you must immediately contact the transportation company who delivered the item to you and initiate your claim with same. - Page 22 OPTIONAL ACCESSORY PARTS TYPICAL QT14 EXPLODED PARTS VIEW SK2093 Rev. E 12/15/06 REFER TO THE PARTS LIST SPECIFIC TO YOUR MODEL FOR MORE DETAIL INFORMATION.
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Page 23: Parts List
CONVEYOR MOTOR RIGHT TO LEFT MOTOR AC 11 RPM CCW SPROCKET DRIVEN -17 tooth 3/8" SPROCKET DRIVE - 20 tooth 5/16" SCREW - 1/4-20X3/8 SPACER-STEEL INSTRUCTIONS - QT14 DRIVE MOTOR REPLAC. February 23, 2007, Rev D QT14R-V12 QT14 50/60Hz QT14R 50/60Hz... - Page 24 SHAFT COLLAR - 3/8” LABEL, MAIN CONTROL FAN CORD TERMINAL BLOCK - 12 TRIMMABLE, “WHITE” EXIT SHELF FOR QT14 QUIZNO’S - 14 X 28 ENTRY SHELF FOR QT14 QUIZNO’S TERMINAL BLOCK - 6 POSITION, “BLACK” TERMIINAL BLOCK - MAIN POWER, “BLACK”...
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Page 25: Wiring Diagrams
WIRING DIAGRAM #020514A QT14 W/ POT SPEED CONTROL THREE PHASE DELTA SOURCE IF FURTHER ASSISTANCE IS REQUIRED: CONTACT STAR/HOLMAN FACTORY SERVICE TEAM AT 1-800-807-9054 DETAIL OF RESISTOR/DIODE TERMINAL BLOCK DIODE 250 OHM POT (PART OF GE-135702) 47 OHM... - Page 26 WIRING DIAGRAM #020513A QT14 W/ POT SPEED CONTROL SINGLE PHASE - 208/220/240 DIODE 47 OHM DETAIL OF RESISTOR/DIODE TERMINAL BLOCK IF FURTHER ASSISTANCE IS REQUIRED: CONTACT STAR/HOLMAN FACTORY SERVICE TEAM AT 1-800-807-9054 MOLDED FAN CORDS 250 OHM POT (PART OF 135702)
- Page 27 USE BLK/WHT FOR 208V USE BLK/BLU FOR 240V THIS DRAWING CONTAINS INFORMATION CONFIDENTIAL TO STAR MFG. INT'L. INC. NO REPRODUCTION OR DISCLOSURE OF ITS CONTENTS IS PERMITTED. MODEL: QT14 380/220/60 3 phase, 15 TUBE - SERIES TOP HEATERS BOTTOM HEATERS FUSE FUSE SWITCH STAR MANUFACTURING INTERNATIONAL INC.
- Page 28 STAR MANUFACTURING 10 Sunnen Drive, St. Louis, MO 63143 U.S.A. (800) 807-9054 (314) 781-2777 Parts & Service (800) 807-9054 www.star-mfg.com...