Clarke CONTRACTOR GRH30 Operation & Maintenance Instructions Manual

Clarke CONTRACTOR GRH30 Operation & Maintenance Instructions Manual

Twin head gas radiant heater

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TWIN HEAD GAS RADIANT HEATER
MODEL NO: GRH30
PART NO: 6920019
OPERATION & MAINTENANCE
INSTRUCTIONS
ORIGINAL INSTRUCTIONS
DL0223

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Summary of Contents for Clarke CONTRACTOR GRH30

  • Page 1 TWIN HEAD GAS RADIANT HEATER MODEL NO: GRH30 PART NO: 6920019 OPERATION & MAINTENANCE INSTRUCTIONS ORIGINAL INSTRUCTIONS DL0223...
  • Page 2 INTRODUCTION Thank you for purchasing this CLARKE heater. This portable gas radiant heater is designed to give safe, efficient and reliable operation and is for use with Propane Gas only. Propane gas bottles are readily available from builders merchants or gas suppliers.
  • Page 3: General Safety Precautions

    GENERAL SAFETY PRECAUTIONS operation until the source of the Read and ensure you fully gas has been located & rectified understand the following precautions and the hazards associated with this 11. DO NOT use to heat or cook food. type of equipment. 12.
  • Page 4: Fresh Air Requirements

    FRESH AIR REQUIREMENTS • DO NOT use in unventilated areas. • The flow of combustion and ventilation air must not be obstructed. WARNING: PROVIDE AT LEAST A 1M OPENING OF FRESH, OUTSIDE AIR WHILST USING THIS HEATER. IF FRESH OUTSIDE AIR VENTILATION IS NOT PROVIDED, CARBON MONOXIDE POISONING CAN OCCUR.
  • Page 5: If You Smell Gas

    IF YOU SMELL GAS 8. IF YOU SMELL EVEN A SMALL Liquid Propane gas has a man-made AMOUNT OF GAS, CONTACT YOUR odourant added specifically for FIRE DEPARTMENT. DO NOT WAIT! detection of gas leaks. If a leak occurs you should be able to NO ODOUR DETECTED smell the gas.
  • Page 6: Gas System

    FEATURES OF THE GRH30 Understanding the basic operation of the heater will reinforce the need to maintain it in top condition at all times whilst always observing the safety precautions. The heater comprises of three basic systems: 1. The gas system. 2.
  • Page 7: Installation

    Remove the heater from the carton and remove all protective material used for shipment. Check the heater for possible shipping damage. Should any damage be apparent, please notify your CLARKE dealer immediately. ASSEMBLING THE SUPPORT STAND 1. Connect the tube base section to the upper tube support section and secure with the wing nut supplied.
  • Page 8: Gas Connection

    GAS CONNECTION WARNING: PROPANE GAS BOTTLES MUST BE USED AND STORED IN ACCORDANCE WITH THE ‘HIGHLY FLAMMABLE LIQUIDS AND LIQUEFIED PETROLEUM GASES REGULATIONS 1972. WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.
  • Page 9 4. Check the bullnose connection on the regulator for any visible damage before connecting to the bottle. 5. Place the regulator on the bottle connection and hand tighten by turning anti-clockwise. 6. Tighten firmly using a gas spanner (or an adjustable spanner), continuing in an anti-clockwise direction.
  • Page 10: Operation

    OPERATION WARNING: BEFORE STARTING THE HEATER YOU MUST ENSURE THAT THE MINIMUM VENTILATION REQUIREMENTS ARE OBSERVED TO AVOID THE RISK OF CARBON MONOXIDE POISONING. WARNING: THIS HEATER WILL BE HOT DURING NORMAL OPERATION. AVOID PHYSICAL CONTACT. DO NOT ALLOW CLOTHING OR OTHER COMBUSTIBLE MATERIALS TO TOUCH THE HEATER.
  • Page 11: Lighting The Heater

    LIGHTING THE HEATER 1. Ensure that the gas is correctly connected and leak free. Turn on the gas supply at the bottle and at the shut off valve (marked ON/OFF on the knob). 2. Press and hold the control valve plunger whilst repeatedly pressing the piezo-electric igniter button until the burner ignites.
  • Page 12: Troubleshooting

    TROUBLESHOOTING Fault Cause Remedy Burner fails to light 1.Gas supply valve 1.Open gas supply valve closed. slowly 2.Excess gas flow 2.Close propane supply valve at propane bottle and re- open slowly. 3.Piezo ignition not 3.Check wire lead for sparking. damage. Replace igniter assembly.
  • Page 13: Cleaning And Maintenance

    5. If the hose shows evidence of excessive abrasion or wear or if the hose is cut it must be replaced prior to the heater being put into operation. The replacement hose assembly shall be as supplied by CLARKE International. 6. The heater, including hose and regulator assembly, must be inspected at least annually by a qualified service person.
  • Page 14: Component Parts

    COMPONENT PARTS Rear Guard Assembly Connecting Bracket Burner Assembly Front Guard Assembly Tip-Over Switch Inlet Connector Tube Support On/Off Valve Wing Nut (M5x10) On/Off Valve Knob Support Bracket Gas Valve Wing Nut (M6x8) Thermocouple Protection Washer Thermocouple Tube Base Piezo Igniter End Cap Igniter Electrode Hose/Regulator Assembly...
  • Page 15: Declaration Of Conformity

    DECLARATION OF CONFORMITY Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com...

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6920019

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