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Hatco TQ3 Series Manual
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Hatco TQ3 Series Manual

Conveyor toasters with colorguard system
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Hatco Corporation
Booster Water Heater Presentation
TQ3 Series Conveyor Toasters
with ColorGuard System
All TQ3 series Conveyor Toasters use a patented
ColorGuard sensing system. The ColorGuard sensing
system monitors and adjusts conveyor speed and chamber
temperature automatically during high usage periods and
recovery from PowerSave mode for consistent toast color
1

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Summary of Contents for Hatco TQ3 Series

  • Page 1 Hatco Corporation TQ3 Series Conveyor Toasters with ColorGuard System All TQ3 series Conveyor Toasters use a patented ColorGuard sensing system. The ColorGuard sensing system monitors and adjusts conveyor speed and chamber temperature automatically during high usage periods and recovery from PowerSave mode for consistent toast color...
  • Page 2 Hatco Corporation Testing and Troubleshooting: TQ3 Series Conveyor Toasters (TQ3-400 and TQ3-500 Used as Examples) Toaster Startup • Main Power Switch (Back, of Toaster) DPST16 Amp, 250 Volt 0219.161.00 • Press and Hold Standby Icon on Touchpad for 3 seconds to Turn On and...
  • Page 3 Hatco Corporation Toaster Startup 10:00 Minute Preheat Main Menu Selecting a Product to Toast • Press Menu Item Icon and release Booster Water Heater Presentation...
  • Page 4 Hatco Corporation Minor Light/Dark Adjustment • Press Darker or Lighter Toast Icon • Up to 5 increments in either direction • Select On to Lock in change • Leave in Off position to temporarily adjust color Modify a Menu Item Setting •...
  • Page 5 Hatco Corporation Returning to Main Menu (Home) Power Save Feature • All TQ3 series toasters can be put into a Power Save mode by pressing the Green Leaf Icon • Automatic Power Save is selectable • Conveyor will temporarily speed up...
  • Page 6 Hatco Corporation Power Save Feature • All TQ3 series toasters can be put into a Power Save mode by pressing the Green Leaf Icon • Automatic Power Save is selectable • Conveyor will temporarily speed up for approximately four seconds to eject toast from unit •...

  • Page 7: Technician Mode

    Hatco Corporation Power Save Feature • To place toaster back into full operation, press the leaf Icon, then desired product icon Technician Mode • Select the Gear Icon Booster Water Heater Presentation...

  • Page 8: Updating Firmware

    Hatco Corporation • Passcode for Service is 2 4 8 Updating Firmware 2 4 8 Booster Water Heater Presentation...
  • Page 9 Hatco Corporation Updating Firmware • Selecting Firmware Button will show Firmware version loaded on the unit Updating Firmware • Selecting Firmware Button will allow update of the firmware from a Flash Drive inserted into USB Port at Bottom of front panel...
  • Page 10 Hatco Corporation Updating Firmware • Selecting Firmware Button will allow update of the firmware from a Flash Drive inserted into USB Port at Bottom of front panel Updating Firmware • Selecting Firmware Button will allow update of the firmware from a Flash...
  • Page 11 Hatco Corporation No File Error • No Firmware is detected at USB Port • Make sure Flash Drive is inserted • Make sure file is loaded at root level • Make sure Flash Drive is formatted properly Control 2 4 8...

  • Page 12: System Information

    Hatco Corporation Control Turn ON or OFF: • Passcode required for making adjustments • Color Guard Feature • Screen locking to company 2 4 8 logo screen • Prevents user level adjustments • Self Serve Environments • No multiple product selection...
  • Page 13 Hatco Corporation System Information Current Status of: • Temperature Sensor (°C) • Expected Temperature (°C) • Calculation of upper and lower % ON used in conjunction with the actual 2 4 8 temperature to calculate the belt speed ("Speedmod“) • "SpeedMod" is the...
  • Page 14 Hatco Corporation Firmware Version Information 2 4 8 Firmware Version Information 2 4 8 Booster Water Heater Presentation...
  • Page 15 Hatco Corporation Firmware Version Information 2 4 8 Toaster Usage Information 2 4 8 Booster Water Heater Presentation...
  • Page 16 Hatco Corporation Toaster Usage Information Factory Test 2 4 8 Booster Water Heater Presentation...

  • Page 17: Factory Test

    Hatco Corporation Factory Test • Manually Energize Top Heating Element • Manually Energize Bottom Heating 2 4 8 Element • Manually Operate Conveyor Motor Power Save Settings 2 4 8 Booster Water Heater Presentation...
  • Page 18 Hatco Corporation Power Save Settings • Turn Power Save ON or OFF • Adjust % of Heating Element power during 2 4 8 Power Save Mode • Adjust amount of non- use time elapsed before entering Power Save Mode • Non-use = less than 10ºC decrease in...
  • Page 19 Hatco Corporation Electrical Mode of Operation Power Connected, Power Switch Off (TQ3-500 Shown) Booster Water Heater Presentation...
  • Page 20 Hatco Corporation Comparing TQ3-400 to TQ3-500 (TQ3-400) (TQ3-500) Power Switch On, HTC Open • TQ3-500 and larger only • HTC T-Stat • Normally Closed • Opens at 204°C • Closes at 171°C • Will trip if Filter is blocked Booster Water Heater Presentation...
  • Page 21 Hatco Corporation High Temperature Cutout Location (TQ3-500 and larger) (Left Panel Removed) Testing the Control Board High Limit Thermostat (02.16.206.00) < 204°C < 204°C = 0 Booster Water Heater Presentation...
  • Page 22 Hatco Corporation Testing the Control Board High Limit Thermostat (02.16.206.00) 0 OL > 204°C = Fan Filter Location • Checked/cleaned monthly and anytime “Routine Maintenance; Clean Fan Filter” appears on the touchscreen • Check when Warning Light illuminates • Rinse the filter using hot water Allow the filter to dry completely •...
  • Page 23 Hatco Corporation Main Power Switch On TQ3-500 SWTQ500XHA0301 (12 VDC Secondary Voltage Circuit) 02.17.064.00 12 Volt Power Supply • Input Voltage 88 to 264 VAC • Output 12 VDC • Adjustable Range 10.8 – 13.2 VDC • Maximum Current 2.1 Amps •...
  • Page 24 Hatco Corporation UI/Temp Control Board Assembly R02.01.447.00 R02.01.448.00 Touchpad Display UI Touchpad Control Board Insert ribbon Press tabs to lock cable into slot UI/Temp Control Board Pin Connections Relay and SSR connection – P2 1- A1+ pin of SSR (Energizing Top Element)
  • Page 25 Hatco Corporation UI/Temp Control Board Pin Connections USB 2.0 – J1 Connected to USB port on Front Panel (used for firmware updates) UI/Temp Control Board Pin Connections Temperature Sensor 1- NOT USED 2- To Temperature Sensor 3- To Temperature Sensor...
  • Page 26 Check connections • • Perform “Cleaning the Touchscreen Control” procedure in MAINTENANCE section on Update software—download from • manual Hatco website to USB drive • Check Ribbon Cable Connection • Follow the “Updating Firmware” procedure • Replace Touchpad Display Board •...
  • Page 27 Hatco Corporation Fan Cycling Thermostat (TQ3-400 Shown) • Normally Open • Closes at 40.5°C • Opens at 32°C • Activates Ventilation Fan • 02.16.120.00 (TQ3-400 Shown) Fan Cycling Thermostat (TQ3-500 and larger) • Normally Open • Closes at 40.5°C • Opens at 32°C •...
  • Page 28 Hatco Corporation Testing the Fan Cycling Thermostat 02.16.120.00 < 40.5°C < 40.5°C Testing the Control Board High Limit Thermostat 02.16.120.00 > 40.5°C = Booster Water Heater Presentation...
  • Page 29 Hatco Corporation Control Standby Switch On (12 VDC Secondary Voltage Circuit) • Activates after Standby Power Icon pressed and held for 3 seconds • 10 minute cycle • Then enters Main Menu Screen Control Power Switch On - Ready Booster Water Heater Presentation...
  • Page 30 Hatco Corporation 02.01.487.00 12 Volt Stepper Motor Control UI/Temp Control Card I2C Binary Communication (Pin 2, 3) Temperature Probe Input Voltage 12 DCV (Pin 1 +, Pin 3 GND.) 12 DCV Output to UI/Temp Control Card Stepper Motor Not Used (Analog Input Port) ...

  • Page 31: Testing Heating Elements

    Hatco Corporation Heating Elements • Access from Left Side Panel • Failure will generate a “Heating (TQ3-400 Shown) Error” on Display • Verify all wire connections on relay and element • Check resistance across failing heating element Testing Heating Elements 15.5...
  • Page 32 Hatco Corporation Testing Heating Elements TQ3 Heating Element Specifications Booster Water Heater Presentation...
  • Page 33 Hatco Corporation Cooling Fan 02.12.163A.00 • Input Voltage 12 VDC • Supplied by 12 Volt Stepper Motor Control • Cycled by Fan Cycle Thermostat Cooling Fan • Blows cool air into the toaster • Motor housing marked with an arrow showing direction of air flow •...
  • Page 34 Hatco Corporation Temperature Probe for Control Board • 02.01.192.00 • 100 Ohm RTD (Resistance Temperature Detector) • As temperature increases resistance increases • Failed Sensor will Generate “Temperature Probe Error” on Display • Verify wire connections on RTD temperature probe •...
  • Page 35 Hatco Corporation Testing the Temperature Probe ºC 103.90 107.79 111.67 115.54 119.40 Location of Part inside the Unit 123.24 127.07 °C 130.89 134.70 138.50 Testing the 12 Volt Stepper Motor • Resistance between Red & Yellow is 6.7W (+/- 10%) •...

  • Page 36: Error Codes

    Check resistance across failing heating element. Communication Error Update software—download from Replace electronic control. Hatco website to USB drive. Follow the “Updating Firmware” procedure. Touch Panel Error Check touchpad for grease and dirt Replace electronic control. buildup. Perform “Cleaning the Touchscreen Control”...

  • Page 37: Control Panel Assembly

    Hatco Corporation Service Team …would like to thank you! Control Panel Assembly Booster Water Heater Presentation...
  • Page 38 Hatco Corporation TQ3-500 Assembly TQ3 Assembly Booster Water Heater Presentation...

This manual is also suitable for:

Tq3-400Tq3-500