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Anleitung Zusammenfassung
MANUAL HUMIDISTAT: Humidifiers controlled by a manual humidistat, simply turn the humidistat to the “Off” position. Shut off the water supply to the humidifier by closing the saddle valve. - 7 VI. PERIODIC PREVENTATIVE MAINTENANCE NOTE: Periodic inspection and preventive maintenance of your total heating system is important for efficient and safe operation. Your heating contractor should include humidifier service at the same time. All models, except No’s. 448 and 445, are equipped with an in-line water strainer and orifice as shown below. These parts should be inspected and cleaned periodically to assure continued proper unit performance. Inspection and Service Instructions 1. Disconnect electrical power to the furnace and shut off water supply. 2. Disconnect the water line at the inlet compression nut. 3. Remove the in-line strainer from inside the inlet fitting by using a small nail or wire. 4. Flush the in-line strainer clean or replace with a new strainer, Service Department, Part No. 4004. 5. Replace the in-line strainer and reconnect the inlet water line (Double Wrench To Prevent Leaking). 6. Disconnect the water line at the outlet compression nut. 7. Remove the orifice from the copper or plastic tube and make sure this small opening is unplugged. 8. Replace the orifice and reconnect the outlet water line (Double Wrench To Prevent Leaking). 9. Turn on water supply and reconnect electrical power to the furnace. - 8 MAINTENANCE INSTRUCTIONS for APRILAIRE HUMIDIFIER MODELS 558-550-568-560 CAUTION! Sudden operation may cause personal injury or property damage. Turn humidistat or control to “off” or lowest setting before servicing. 1. Front Cover 2. Feed Tube 3. Nozzle 4. Water Panel Evaporative Assembly 5. Distribution Tray 6. ”V” Notches 7. Water Panel 8. Scale Control Insert 9. Drain Hose 1 5 6 8 9 1 2 3 4 1. Note humidistat or control setting and turn dial to the “OFF” position. 2. Turn off water supply. 3. At the side of the unit opposite the airflow duct pull front cover (1) off holding with both hands and set aside. 4. Carefully pull the plastic feed tube (2) out of the nozzle (3) at the top of the Water Panel evaporative assembly (4). Pull this assembly out by grasping at top and tipping out. 5. Remove the black plastic distribution tray (5) from the evaporative assembly by unsnapping the white plastic holding strips from the tabs at the end of the tray. Lightly scrape out any calcium deposits and clean the “V” notches (6), but do not scrape off the granular coating from the bottom. This textured surface helps ensure even water flow for maximum performance. See page 2 if removed. 6. Slide the Water Panel evaporator (7) out from the white plastic Scale Control Insert (8). Clean the insert frame by twisting and flexing it to loosen the calcium deposits, or use a putty knife. Inspect the Water Panel evaporator (Stock No. 10 for Model 550 and Stock No. 35 for Model 560) and substitute a new one if necessary. Slide the pad back into the insert frame with the black colored spot up and snap the black distributor tray back into place. 7. Re-install the Water Panel evaporative assembly into the unit by fitting its drain tube into the round receptacle at the base of the unit. Push the assembly in at the top against the beveled tabs that will hold it in place. Push the end of the feed tube back firmly into the nozzle and replace the front cover. 8. Remove the drain hose (9) from the bottom of the unit and bend and flex it to loosen the internal calcium deposits. Then flush it with water under pressure and slip it back onto the black drain fitting. 9. Turn on water supply. 10. Check system operation: Manual Humidistat: Turn up humidistat to highest setting and make sure the furnace blower is operating. Humidifier will operate if RH is less than 50%. Automatic Humidifier Control: Check system operation by setting the knob to “Test.” With furnace blower operating and furnace calling for heat...
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