INSTALLATION INSTRUCTIONS REXENER Bioheater Service Kit
SERVICE REX NORDIC SERVICE We are the service agent for Airrex and Rexener products. Trained by the manufacturer, our service personnel maintain your devices professionally. We use well-equipped service vans which are easy to order on-site, wherever you need. WHY OUR SERVICE? • • • • • • 2 We are the importer of and official service shop for Airrex and Rexener products. We only use original spare parts. All spare parts for devices are available in our warehouse.
REPLACING THE FILTER, NOZZLE AND THE GASKET KIT REXENER BIOHEATER WATER HEATER NOTE! Check if you have a filter in your tank. If not, please contact Rex Nordic’s service. We’ll send you a new tank free of charge. 3. Before starting, unplug the power cord. If your heater has a damper in front of the burner, remove it before you start servicing. www.rexnordic.
1. 2. 2. Disconnect the power cables of the burner. Remove the fuel filter and replace it with a new one. 3. Remove the burner’s fastening nuts on both sides (2 pcs) and remove the burner. 4 Technical support 013 553 773 70 / service@rexnordic.
4. Open the nozzle damper screws (4 pcs). 5. Lift the damper out to access the igniter screw and air flow regulator screw. 6. First remove the air flow regulator screw and loosen the igniter out of the nozzle frame. 7. Then remove the air flow regulator carefully by lifting it up to reveal the nozzle. www.rexnordic.
8. 9. Remove the nozzle with a 16 mm and 19 mm spanner. Check the nozzle chamber for impurities and clean it before installing the new nozzle. 11. 10. After this, clean the air flow regulator and damper and install them into place. First place the air flow regulator on the nozzle frame. Then tighten the igniter screw, adjust the air flow regulator to the correct position in the centre of the igniter and tighten the screw.
Put the damper in its place and make sure that the guiding groove is in the correct position. Tighten the screws. The burner is now ready to be connected to the heater. 14. 15. Remove the gasket from the heating pipe and install the new one. Install the burner and tighten the screws. Before tightening, check the position of the burner to ensure that it is in the centre of the heating pipe by confirming that the fastening nuts are symmetrically in the appropriate grooves.
SOOTY AIR NOZZLE? If the air nozzle is extremely sooty, the air nozzle must also be replaced! SERVICE KIT SERVICE & TECHNICAL SUPPORT 013 553 773 70 service@rexnordic.com Service is open on weekdays from 7 am to 3 pm.
