Assessments - 3, GPA: 4.7 ( )

Fabricante : Roberts Gorden Arquivo Tamanho: 2.09 mb Arquivo Nome : Língua de Ensino:

There is an LED light on the ignition control that flashes codes to assist in fault correction. See Page 24, Figure 13 for LED indication codes. Figure 13: LED Diagnostic Codes LED INDICATION FAULT MODE Slow Flash Normal Operation - No call for heat. Fast Flash Normal Operation - Call for heat. 2 Flashes Ignition Lockout - No flame detected. 3 Flashes Airflow Fault - Pressure switch open or closed. 4 Flashes Temperature Limit or Switch Open 5 Flashes Flame Sense Error - Gas valve not energized. Steady On Internal Control Failure SECTION 12: SERVICING SECTION 12: SERVICING WARNING Explosion Hazard Installation, service and annual inspection must be done by a contractor qualified in the installation and service of gas-fired heating equipment or your gas supplier. Turn off gas and electrical supplies before performing service or maintenance. Failure to follow these instructions can result in death, injury or property damage. 12.1 Servicing Instructions After start-up, the heater will require maintenance to be carried out annually. If the heater is used in a dirty or dusty area, more frequent maintenance may be required. IMPORTANT: After any maintenance or repair work, always test fire the heater in accordance with the start-up instructions on Page 21, Section 10 through Page 23, Section 10.3.1 to ensure all safety systems are in working order before leaving the heater to operate. Minor faults may be traced by using the troubleshooting charts on Page 28, Section 13 through Page 31, Section 13.5. IMPORTANT: Check all gas pipes and pipe joints to ensure there are no cracks or gas leaks. Any cracks in the pipes or pipe joints must be repaired. IMPORTANT: Inspect all suspended components and hardware. Ensure that they are in good condition, properly tightened, and corrosion free. 12.2 Burner Maintenance 1. Open the door and remove the burner compartment cover. See Page 33, Section 14.2. 2. Clean any deposits from the main burner which may have formed in the injectors or venturi of the burner. See Page 33, Section 14.2. 3. Remove the ignition electrode and flame probe. Check condition of ignition electrode and flame probe. Clean off any deposits which may have been formed, check condition of ceramic insulators. Replace as required. 12.3 Heat Exchanger Maintenance The heat exchanger will remain clean unless a problem has developed with combustion. Inspect the heat exchanger. Look for signs of overheating at the front tubes which may indicate burner over firing or persistently low air flows. 12.4 Gas Valve Maintenance No regular maintenance is required on this device. To change gas control valves, See Page 32, Section 14.1. Do not repair or disassemble gas valve. Replace faulty gas valves with replacement parts sold and supplied by Roberts-Gordon. 12.5 Flue Blower The flue blower should not require maintenance. However, if the air pressure switch is causing burner lockout, then remove the flue blower from the vent box by unscrewing the three screws at the mounting plate. Remove the four screws attaching the mounting plate to the fan inlet (See Page 35, Section 14.5). Ensure that the fan is free to run and that the fan wheel is clean. 12.6 Venting and Air Intake Pipe Inspect all venting and air intake pipe. Ensure that all seams are sealed and suspension points secure. Repair suspension points if any part of the venting or combustion air pipe is sagging. Check to make sure any insulation is not missing or in poor condition. Replace as required. Check all venting and air intake components to ensure they are in good condition, gas tight and corrosion-free. UHD STANDARD DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 12.7 Maintenance Checklist WARNING Explosion Hazard Installation, service and annual inspection must be done by a contractor qualified in the installation and service of gas-fired heating equipment or your gas supplier. Turn off gas and electrical supplies before performing service or maintenance. Failure to follow these instructions can result in death, injury or property damage. Installation Code and Annual Inspections: All installations and service of ROBERTS GORDON® equipment must be performed by a contractor qualified in the installation and service equipment sold and supplied by Roberts-Gordon and conform to all requirements set forth in the ROBERTS GORDON® manuals and all applicable governmental authorities pertaining to the installation, service and operation of the equipment. To help facilitate optimum performance and safety, Roberts-Gordon recommends that a qualified contractor annually inspect your ROBERTS GORDON® equipment and perform service where necessary, using only replacement parts sold and supplied by Roberts-Gordon. The Vicinity of the Heater Do not store or use flammable objects, liquids or vapors near the heater. Immediately remove these items if they are present. See Page 3, Section 3. Vehicles and Other Objects Maintain the clearances to combustibles. Do not hang anything from, ...

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