THOR GH105-P Technical & Service Manual

Gas griddle

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Thor Gas Griddle
Technical Service Manual
Model: GH105-P, GH105-N, GH106-P, GH106-N
IMPORTANT FOR FUTURE REFERENCE
Please complete this information and retain this manual for the life of the equipment. For Warranty
Service and/or parts, this information is required.
Model Number
WARNING: For your safety, do not store or use gasoline or other flammable vapors or
liquids in the vicinity of this or any other appliances. Keep the area free and clear of
combustible.
WARNING:Improper installation, adjustment, alteration, service or maintenance can
cause property damage, injury, or death. Read the installation operating and
maintenance instructions thoroughly before installing, or servicing this equipment.
WARNING:Instructions must be posted in a prominent location. All safety
precautions must be taken in the event the user smells gas. Safety information can be
obtained from your local gas supplier.
Serial Number
15 Badgally Road, Campbelltown
NSW 2560
Date Purchased

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Summary of Contents for THOR GH105-P

  • Page 1 Thor Gas Griddle Technical Service Manual Model: GH105-P, GH105-N, GH106-P, GH106-N IMPORTANT FOR FUTURE REFERENCE Please complete this information and retain this manual for the life of the equipment. For Warranty Service and/or parts, this information is required. Model Number...
  • Page 2: Table Of Contents

    Table of Contents Introduction Specification Dimensions Installation 4 ~ 6 Operation 7 ~ 10 Cleaning and Maintenance 11 ~ 12 Troubleshooting 13 ~ 27 Conversion from NG to LPG and vice-versa Explosion Drawing (ALL PARTS) Parts List (ALL PARTS) 29 ~ 30 Explosion Drawing (SPARE PARTS) Spare Parts List...
  • Page 3: Introduction

    Introduction We are confident that you will be delighted with your Thor Gas Griddle, and it will become a most valued appliance in your commercial kitchen. To ensure you receive the utmost benefit from your new Gas Griddle, there are two important things you can do.
  • Page 4: Specification

    Commercial, heavy duty, gas griddle with full pilot and flame failure protection and piezo ignition. It uses a 19mm thick griddle smooth plate. Pack Contents The following is included:  Thor Gas Griddle  Feet  Instruction Manual Gas Supply Requirements...
  • Page 5: Dimensions

    Dimensions GH105-P / GH105-N GH106-P / GH106-N...
  • Page 6: Installation 4

    Installation Installation Requirements NOTE: • It is most important that this appliance is installed correctly and that operation is correct before use. Installation shall comply with local gas, health and safety requirements. • This appliance shall be installed with sufficient ventilation to prevent the occurrence of unacceptable concentrations of substances harmful to health.
  • Page 7 Installation Clearances NOTE: Only non-combustible materials can be used in close proximity to this appliance. Combustible Surface Non Combustible Surface Left / Right Hand Side 250mm Rear 250mm Assembly NOTE: • This appliance is assembled before delivery except feet. • This appliance is fitted with adjustable feet to enable the appliance to be positioned securely and level. This should be carried out on completion of the gas connection.
  • Page 8 Installation Check that the gas operating pressure. NOTE: The operating pressure is to be measured at the burner operating pressure test point outlet and with one griddle burner operating at the “High Flame” setting. 7. Turn off the mains gas supply and bleed the gas out of the appliance gas lines. 8.
  • Page 9: Operation 7

    Operation Operation Guide CAUTION: • THIS APPLIANCE IS FOR PROFESSIONAL USE AND IS ONLY TO BE USED BY QUALIFIED PEOPLE. • ONLY QUALIFIED SERVICE PERSONS ARE TO CARRY OUT INSTALLATION, SERVICING OR GAS CONVERSION OPERATIONS. • COMPONENTS HAVING ADJUSTMENTS PROTECTED (E.G. PAINT SEALED) BY THE MANUFACTURER SHOULD NOT BE ADJUSTED BY THE USER/OPERATOR.
  • Page 10 Operation WARNING: SURFACE TEMPERATURE OF THE GRIDDLE PLATE CAN REACH OVER 300°C WHEN THE APPLIANCE IS OPERATED AT FULL SETTING. Lighting the Main Burners The burners are fitted with individual standing pilots which allows the main burners to be turned ON- OFF without the need to manually re-light the burner each time that it is turned ON, as the burner will be automatically lit itself by the pilot burner.
  • Page 11 Operation Main burner air supply: 1. For efficient burner operation, a proper balance of gas volume and primary air supply must be maintained which will result in complete combustion. Insufficient air supply results in a yellow streaming flame. Primary air supply is controlled by an air shutter on the front of the burner.
  • Page 12 Operation SEASON GRIDDLE: Heat to low temperature (300℉-350 ℉/150℃-180℃) and pour on a small amount of cooking oil, about one ounce (30cc) per square foot of surface. Spread the oil over the entire griddle surface with a cloth to create a thin film. Wipe off any excess oil with a cloth.
  • Page 13: Cleaning And Maintenance

    Cleaning and Maintenance CAUTION: Always turn off the gas supply before cleaning. This appliance is not water proof. Do not use water jet spray to clean this appliance. General Clean the griddle regularly. A clean appliance looks better, will last longer and will perform better. Carbonised grease on the surface or on the griddle plate will hinder the transfer of heat from the cooking surface to the food.
  • Page 14 Cleaning and Maintenance Periodic Maintenance NOTE: All maintenance operations should only be carried out by a qualified service person. To achieve the best results cleaning must be regular and thorough and all controls and mechanical parts should be checked and adjusted periodically by a qualified service person. If any small faults occur, have them attended to promptly.
  • Page 15: Troubleshooting 13

    Trouble shooting This section provides an easy reference guide to the more common problems that may occur during the operation of your equipment. The fault finding guide in this section is intended to help you correct, or at least accurately diagnose problems with your equipment.
  • Page 16 Trouble shooting GENERAL INFORMATION BURNING SPEED: The velocity at which flame travels through an air-gas mixture. Burning speeds vary with types of gases, and the amount of air mixed with the gas. This air to gas ratio is very important in that it is directly related to flame stability.
  • Page 17 Trouble shooting BURNER PROBLEMS LIFTING BURNER FLAMES: Excessive primary air can cause flames to lift and blow off the burner ports which can be noisy as well as inefficient. More importantly however is the production of dangerous carbon monoxide under this condition.
  • Page 18 Trouble shooting BURNER PROBLEMS– cont’d. FLOATING FLAMES: The difference between floating flames and lifting (or blowing) flames should be clearly understood. Both conditions are undesirable, but the causes and corrective steps are different. Floating flames are lazy looking. They do not have well defined cones, and appear to be “reaching” for the air. They are long, ill- defined, quite flames which roll around in the combustion chamber sometimes completely off the ports.
  • Page 19 Trouble shooting PILOT TROUBLE SHOOTING Fault Possible Cause Remedy No gas supply or gas isolation Ensure gas isolation valve is turned on, Pilot won’t light. valve is OFF. and that gas tanks are not empty. Pilot burner is clogged/blocked. Check the pilot burner if clogged, and clean, or replace if necessary.
  • Page 20 Trouble Shooting PILOT TROUBLE SHOOTING – cont’d.: FDS INJECTOR REMOVAL: 1. Turn-off the pilot. 2. Shut-off the main isolation valve and follow the lock-out/tag-out procedure. 3. Remove the griddle plate assy. 4. Remove the FDS cover. Use 2.5mm allen key. 5.
  • Page 21 Trouble Shooting PILOT TROUBLE SHOOTING – cont’d.: FLAME DEVICE SYSTEM (FDS) REMOVAL: 1. Turn-off the pilot. 2. Shut-off the main isolation valve and follow the lock-out/tag-out procedure. 3. Remove the griddle plate assembly 4. Remove the FDS cover. Use 2.5mm allen key. 5.
  • Page 22 Trouble Shooting PILOT TROUBLE SHOOTING – cont’d.: THERMOCOUPLE THERMOCOUPLE REMOVAL: 1. Turn-off the pilot. 2. Shut-off the main isolation valve and follow the lock-out /tag-out procedure. 3. Remove the griddle plate assy. 4. Disconnect the thermocouple fitting connected to the safety valve. Use 9mm spanner to loosen the SAFETY fitting.
  • Page 23 Trouble Shooting MAIN BURNER TROUBLE SHOOTING: Fault Possible Cause Remedy No gas supply or gas isolation Ensure gas isolation valve is turned Main burner will not light. valve is OFF. on, and that gas tanks are not empty. Insufficient gas supply pressure. Adjust the gas supply pressure to required standard.
  • Page 24 Trouble Shooting MAIN BURNER TROUBLE SHOOTING: MAIN BURNER INJECTOR REMOVAL: 1. Turn-off the pilot. 2. Shut-off the main isolation valve and follow the lock-out/tag-out procedure. 3. Remove the control knob and drip pan. 4. Remove the control panel cover, and disconnect the piezo igniter wire connection.
  • Page 25 Trouble Shooting MAIN BURNER TROUBLE SHOOTING: SAFETY GAS VALVE REMOVAL: 1. Turn-off the pilot. 2. Shut-off the main isolation valve and follow the lock-out/tag-out procedure. 3. Remove the control knob, control panel cover, and piezo igniter wire connection. 4. Disconnect the main pipe assy. from the safety Disconnect main pipe assy.
  • Page 26 Trouble Shooting MAIN BURNER TROUBLE SHOOTING: GAS MANIFOLD ASSEMBLY REMOVAL: 1. Turn-off the pilot. 2. Shut-off the main isolation valve and follow the lock-out/tag-out procedure. 3. Disconnect the manifold from the gas regulator. 4. Remove the drip tray. 5. Remove the knob and open the control panel cover, then disconnect the piezo igniter from the wire.
  • Page 27 Trouble Shooting MAIN BURNER TROUBLE SHOOTING – cont’d.: MAIN BURNER LOW FLAME ADJUSTMENT: ADJUSTMENT 1. Light the main burner that you want to be adjusted. KNOB 2. Set the dial/knob to low flame. 3. Pull-out and remove the knob of the safety gas valve.
  • Page 28: Conversion From Ng To Lpg And Vice-Versa

    Trouble Shooting CONVERTING FROM LPG TO NG AND VICE-VERSA: CONVERTER 1. Turn-off the pilot. COVER 2. Shut-off the main isolation valve and follow the lock-out/tag-out procedure. 3. Remove the gas regulator. 4. Remove the converter cover from the regulator. Use a 22mm spanner. 5.
  • Page 29 Trouble Shooting IMPORTANT: Only genuine authorized replacement parts should be used for the servicing and repair of this appliance. The instructions supplied with the parts should be followed when replacing components. For further information and servicing instructions, contact your nearest authorized service branch. When ordering replacement parts, please quote the part number and the description listing below.
  • Page 30: Explosion Drawing (All Parts)

    Explosion drawing (ALL PARTS) GH105-P / GH105-N...
  • Page 31: Parts List (All Parts) 29

    Parts List (ALL PARTS) DESCRIPTION MODEL CODE GH105-P / GH105-N Dial 01.09.1050334 GH106-P / GH106-N GH105-P / GH105-N 01.05.1028910 Ornament GH106-P / GH106-N 01.05.1028992 GH105-P / GH105-N Thor LOGO 04.07.1340203 GH106-P / GH106-N Safety Valve(A60U) GH105-P / GH105-N 01.20.1068524 (Accessories)
  • Page 32 Parts List (ALL PARTS) DESCRIPTION MODEL CODE Flame device system GH105-P / GH105-N 01.22.1069541 (No include injector) GH106-P / GH106-N GH105-P ODS injector-0.20 01.22.1068546 GH106-P GH105-N ODS injector-0.40 01.22.1068547 GH106-N GH105-P / GH105-N FDS fix 01.05.1028941 GH106-P / GH106-N GH105-P / GH105-N 01.05.1028928...
  • Page 33: Explosion Drawing (Spare Parts)

    Explosion drawing (Spare Parts) GH105-P / GH105-N...
  • Page 34: Spare Parts List

    Spare Parts List DESCRIPTION MODEL CODE GH105-P / GH105-N Dial 01.09.1050334 GH106-P / GH106-N GH105-P / GH105-N Thor LOGO 04.07.1340203 GH106-P / GH106-N Safety Valve(A60) GH105-P / GH105-N 01.20.1068524 (Accessories) GH106-P / GH106-N Manifold assy. GH105-P / GH105-N 01.24.1070857 (Include A60 valve) GH106-P / GH106-N 01.24.1070861...

This manual is also suitable for:

Gh105-nGh106-pGh106-n

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