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USER INFORMATION
INSTALLATION AND SERVICING
INSTRUCTIONS
FOR DR SERIES
RADIANT GAS HEATERS.
These instructions are valid for heaters supplied in the UK
(GB) and Ireland (IE) only. If these country symbols are not
present on the appliance, please refer to the technical
instructions in this publication. These provide the necessary
information concerning the modification of the appliance to
the conditions of use for the country.
0087
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Table of Contents
Related Manuals for Ambirad DR Series
Summary of Contents for Ambirad DR Series
- Page 1 USER INFORMATION INSTALLATION AND SERVICING INSTRUCTIONS FOR DR SERIES RADIANT GAS HEATERS. These instructions are valid for heaters supplied in the UK (GB) and Ireland (IE) only. If these country symbols are not present on the appliance, please refer to the technical instructions in this publication.
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Page 2: General Information
USER INSTRUCTIONS This unflued, gas fired, overhead radiant heater is designed for use in industrial and commercial buildings such as warehouses, manufacturing plants, aircraft hangers, service garages, etc. NOT FOR RESIDENTIAL USE! Do not use in the home, sleeping quarters, attached garages, etc. The manufacturer cannot anticipate every use which may be made of their heaters. -
Page 3: Switching On The Heater
OPERATING INSTRUCTIONS SWITCHING ON THE HEATER Ensure that the gas supply to the heater is turned on. Ensure that the thermostat and/or timeclock is calling for heat. Switch on the electrical supply and the ignition sequence will commence. There is a delay of approximately ten seconds. The burner is then ignited by the electrical spark. If ignition fails, the control unit will lockout and another ignition attempt will not be made. -
Page 4: Installation Instructions
INSTALLATION INSTRUCTIONS The installation should be carried out by a qualified installer. Before installation, check that the local distribution conditions, nature of gas and pressure, and adjustment of the appliance are compatible. Notwithstanding their limited scope, the appliances should be installed in accordance with the relevant provisions of the following regulations: UNITED KINGDOM Gas Safety (Installation and Use) Regulations 1984 and BS6891:1988. - Page 5 MOUNTING HEATERS USING WALL BRACKET SET A set of wall brackets is supplied with each heater. These brackets allow mounting angles between 30° and 45° to the horizontal, and heaters must not be installed, on walls, at angles outside this range. Place brackets in proposed heater position on the wall.
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Page 6: Gas Supply
GAS SUPPLY The gas supply to the heater must terminate in an isolation cock. This will allow the heater to be disconnected for maintenance or repair. All pipework must be supported and installed in accordance with the regulations listed on page 4 and to provide the operating gas pressure and volume for the appliance. -
Page 7: Pre-Commissioning Check
PRE-COMMISSIONING CHECK Inspect ceramic plaques to ensure that none have been damaged. If any cracks are detected, the heater must not be commissioned until the affected burner unit has been replaced (See Servicing Section). COMMISSIONING Ensure that service cock to heater is turned off. Purge air from gas supply and test for gas soundness in accordance with the relevant standards. -
Page 8: Troubleshooting
SERVICING WARNING DO NOT TOUCH THE IGNITION OR FLAME DETECTION ELECTRODES OR ANY PART OF THE IGNITION/ FLAME DETECTION CIRCUIT WHILE POWER IS CONNECTED TO THE HEATER. THESE PARTS CARRY HIGH VOLTAGES AT ALL TIMES AND WILL GIVE AN ELECTRIC SHOCK IF TOUCHED. Annual maintenance is normally sufficient unless abnormal site conditions necessitate that such work be carried out at more frequent intervals e.g. -
Page 9: Replacement Procedures
REPLACEMENT PROCEDURES Replacement of gas controller. Gas controller Edge connector Switch off electrical supply Unscrew the machine screws which retain the cover of the control enclosure. Remove cover. Disconnect the spark electrode lead from the control box terminal. Unscrew the two machine screws which retain the gas controller in place. Disconnect the edge connector from the controller. - Page 10 Replacement of Electrode set If electrodes are damaged, they must be replaced complete with holder. Retaining screws Electrode set Switch OFF electrical supply and gas service cock Disconnect leads from electrodes. Remove electrode set from mounting bracket by unfastening the retaining screws. Replace with new electrode set.
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Page 11: Injector Sizes
CONVERTING HEATERS FROM ONE GAS TO ANOTHER Heaters which carry the I marking on the data badge are suitable for use on Natural Gas in the following countries without modification: United Kingdom, Ireland, Austria, Denmark, Finland, Italy, Portugal, Spain Sweden, Switzerland Heaters which have the I and inlet gas pressure of 37mbar marking on the data badge are suitable for use on LPG (Propane) in the following countries without modification:... - Page 12 CONVERTING A HEATER FROM NATURAL GAS (I2H) TO LPG(I3P) If the heater is already installed, switch off the gas and electricity and remove the heater to ground level. Remove the injectors. Replace the injectors with the correctly sized injectors for propane (see table). Re-install heater and connect electrical and gas supply.
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Page 13: Adjusting The Gas Pressure
CONVERTING A HEATER FOR OPERATION ON GROUP LL NATURAL GAS (I2ELL) IN GERMANY Follow the procedure outlined above for conversion of a heater for operation on Natural gas. Replace the injectors with the correctly sized injectors for Group LL Natural gas. (see table on page 11). Adjust the operating pressure to 15mbar using the procedure given on the previous page. - Page 14 RAYHEAD RODS ELECTRODE SET SPARE PARTS REFERENCE LIST PART* Rayhead Rods Gas valve model SIT 0.830.040 Gas valve model SIT 0.830.010 Gas controller model P16B Electrode set (3 prong) Injector 1.5mm Injector 1.6mm Injector 1.65mm Injector 2.1mm Injector 2.25mm Injector 2.35mm Injector 2.5mm Injector 2.6mm *Contact manufacturer for stock numbers...
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