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TM
Accelerating the World of Cooking
Service Manual
FOR THE TURBOCHEF 3240 HIGH H CONVEYOR OVEN
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For further information, call 800.90TURBO or +1 214.379.6000
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The information contained in this manual is important for the proper installation, use, mainte- nance, and repair of this oven. Follow these procedures and instructions to help ensure satisfactory baking results and years of trouble-free service. Errors – descriptive, typographic, or pictorial – are subject to correction. Specifications are subject to change without notice. PLEASE CAREFULLY READ THIS MANUAL AND RETAIN IT FOR FUTURE REFERENCE.
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TABLE OF CONTENTS Table of Contents Safety Instructions Important Safety Information - Please Read First i General Safety Information i Preventing Oven Damage i Reducing Fire Risk ii Grounding Instructions ii Power Cord Replacement ii Specifications and Startup Oven Overview 1 Certifications 2 Dimensions 2 Oven Construction 2 Theory of Operation 2 Power Specifications 2 Ventilation Requirements 2 Gas Derating 2 Gas Setup 3 Reading the Incoming Gas Pressure (Static) 3 Reading the Gas Pressure at
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TABLE OF CONTENTS Oven Modes Config Mode 15 Smart Card Screen 15 Updating the Firmware 15 Accessing the Fault Count Screen 16 Accessing the Setup Mode 16 Accessing the Test Mode 16 Setup Mode 16 Changing the Display Temperature 16 Edit Option Screen 16 Changing the Display Language 17 Info Screen 17 Test Mode 17 Accessing the Burner Control Screen 18 Manipulating the Top and Bottom Blowers 18 Viewing the Status Indicators 18 Entering a New Serial Number 19 Initiating a Burn-In Test 20 Erasing al
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TABLE OF CONTENTS The Blower System 25 Blower Motor 25 Blower Motor Speed Controller (BMSC) 25 The Burner System 26 Air Pressure Switch 26 Burner Transformer 26 Combustion Blower 27 Modulating Gas Valve 27 Ignition Module 27 Troubleshooting Overview of Troubleshooting 29 Fault Code Descriptions 29 Fault Code Troubleshooting 31 F1: Blower Fault 31 F2: Low Cook Temp 32 F3: No Flame 34 F5: CC Over Temp 36 F6: EC Over Temp 37 F7: RTD Fault 38 F8: High Limit Tripped 38 F9: Belt Fault 39 F10: Air Pres
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i SAFE TY INSTRUCTIONS Important Safety Information – Please Read First Improper installation, adjustment, alteration, service, or maintenance of this equipment can cause property damage, injury, or death. Thoroughly read the installation, operating, and maintenance instructions before installing or servicing this equipment. Strictly adhere to the following safety information to reduce the risk of: - Damage to the oven - Damage to property near the oven - Personal injury - Burns - Fire - Electri
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SAFE TY INSTRUCTIONS ii Reducing Fire Risk If materials inside the oven ignite or if smoke is observed, 1.Keep the oven window closed. 2.Turn off the oven. 3.Disconnect the power cord or shut off power at the fuse/circuit breaker panel. a Carefully attend the oven if paper, plastic, or other combustible materials are placed inside the oven to facilitate cooking. X DO NOT leave items in the cook cavity when the oven is not in use. X DO NOT cook items wrapped in cling wrap or plastic film. X
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iii SAFE TY INSTRUCTIONS This page intentionally left blank.
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Specifications and Startup
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SPECIFIC ATIONS AND STARTUP 1 Overview 8. Window (optional feature) Figures 1 and 2. For part numbers, see the 9. Hi-limit reset switch appendix. 10. Burner compartment cover 1. Air filter, 11.75” x 7.5” (298 mm x 11. Cooling fan tube 190 mm) 12. Air filter, 9” x 3.25” (228 mm x 83 mm) 2. Idle button (page 21) 13. Cooling fan tube access thumb screw 3. Left end bell (page A-12) 14. Burner compartment cover access screws 4. Right end bell (page A-8) 15. Power cord and plug (page ii) 5. VFD disp
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2 SPECIFICATIONS AND STARTUP Certifications Power Specifications cULus GAS FIRED LISTED, UL EPH, FCC Electrical North America EU / Asia 1 Phase 1 Phase Phase 208/240 VAC 220-240 VAC Voltage 50/60 Hz 50/60 Hz Frequency 8 Amp 8 Amp Current Draw 3 Wire (L+L+G) 3 Wire (L+L+G) Supply 20 amp 16 amp Breakers Dimensions NEMA L620 IEC, 309 3 PIN Plug With End Bells Closed Gas - Width: 72.13” (1832 mm) -Volume: Maximum input per cavity - Depth: w/ window: 55.25” (1403 mm) 85k BTU (25kW [Gross]) - Depth:
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SPECIFICATIONS AND STARTUP 3 Reading the Gas Pressure at 100% Gas Setup Flame A digital manometer that will read 0.10” WC (2.54 mmH O, 0.249 mb) must be used to 1. Ensure the oven is on. 2 properly set all pressures. If the minimum 2. Select a cooking profile. pressure is not set correctly, the oven temperature 3. Remove the screw from the lower tap of the will slowly rise in stand-by mode and eventually gas valve. cause cooking issues as well as trip the high limit temperature switch. Digita
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4 SPECIFIC ATIONS AND STARTUP Reading the Gas Pressure at Minimum Confirming Proper Closure of all Taps Flame Additional testing may be required - always adhere to local gas codes and required methods of 1. Remove either the red or white wire leakage testing in the immediate location (refer to (Figure 4). the regulations in force in the country in which 2. Attach the electric manometer to the lower the appliance is being installed). The prevailing tap of the gas valve (Figure 4). authority is
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Cleaning
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CLEANING 5 Cleaning the Oven Supplies and Equipment Follow the steps below daily to help maintain TurboChef-approved oven cleaner, nylon scrub your HhC oven. pad, cleaning towels, disposable gloves Daily Cleaning Procedures Step 1: Prepare the Oven -Press the back/off key (page 9) to turn the oven off. -Ensure cooling down has completed. CAUTION: Injury can occur if oven is not allowed to cool properly before cleaning. DO NOT attempt to clean until the “cooling down” Step 1 message has disappe
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6 CLEANING Deep Cleaning Procedures TurboChef recommends deep cleaning the oven once a month (or more frequently depending on use) to ensure optimal performance. Use only TurboChef-approved cleaner. Using any other cleaning product can damage critical parts and may void the oven’s warranty. Step 1: Prepare the Oven -Press the back/off key (page 9) to turn the oven off. -Ensure cooling down has completed. CAUTION: Injury can occur if oven is not allowed to cool properly before cleaning. DO NOT
