Votes - 3, Average rating: 4.3
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manual abstract
4. Tip forward and lift the complete plastic framed evaporative assembly out of the humidifier. 5. To remove black plastic water distribution pan from evaporative assembly, push down on pan and out on white plastic frame (Scale Control Insert). Clean “V” openings in water distribution section of upper housing but do not scrape off granular coating from bottom. This helps to ensure proper even water flow for maximum performance. 6. Remove Water Panel evaporator from Scale Control Insert and clean Insert by flexing or using putty knife. Inspect Water Panel evaporator (Stock No. 12) and replace if necessary with colored spot up. Snap plastic water distribution pan back in place. 7. Reinstall evaporative section in the humidifier with notch and hole in black plastic water distribution pan toward you. Pop nozzle fitting on end of feed tube into black plastic water distribution pan. 8. To reinstall top cover, hook back under lip of metal frame (5), drop in place and tighten two aluminum knobs. 9. Remove drain hose and flush with water under pressure. Lime in hose may be loosened by flexing hose. 10. Reattach drain hose. MODELS 440, 448 & 445 1. Cover Knob 3 4 5 1 2 1 2. Top Cover 11. Turn up humidistat to highest 3. Feed Nozzle setting and make sure the 4. Distribution Tray furnace blower is operating. 5. Metal Frame Humidifier will operate if RH is less than 50%. 12. Set humidistat to its original position. MAINTENANCE INSTRUCTIONS for APRILAIRE HUMIDIFIER MODELS 448-445 WARNING! 120 volts may cause serious injury from electrical shock. Disconnect power and shut off water supply before servicing. 1. Note humidistat or control setting and turn dial to the “Off” position. 2. Disconnect electrical power and turn off water supply. 3. Remove two aluminum knobs (1), swing up and remove top cover (2) from humidifier. 4. Place finger under white plastic water outlet (3) at top of black water distribution pan (4). Lift up to pop outlet loose from hole and notch in black distribution pan. 5. Tip forward and lift the complete plastic framed evaporative section out of the humidifier. 6. To remove black plastic water distribution pan from evaporative section, push down on pan and out on white plastic frame (Scale Control Insert). Clean “V” openings in water distribution panel but do not scrape coating off bottom surface. 7. Remove Water Panel evaporator and Scale Control Insert. Remove Water Panel evaporator from Insert and clean insert by flexing or using putty knife. Inspect Water Panel evaporator and replace with a new Water Panel evaporator, if necessary, with colored spot up. 8. Re-install black water distribution pan. Reinstall evaporative section in the humidifier, with notch and hole in distribution pan toward you. Pop hose fitting on end of feed tube into distribution pan. 9. See page 12 for reservoir and pump cleaning. MODELS - 11 MAINTENANCE INSTRUCTIONS FOR MODELS 448-445 RESERVOIR PUMP SECTIONS WARNING! 120 volts may cause serious injury from electrical shock. Disconnect power and shut off water supply before servicing. IMPORTANT: Clean and refill reservoir, hose, pump and float every 30 days during heating season. 1. Pump Impellor Cap 2. Cap Sides 3. Impellor 4. Cap Flow Control Opening 5. Float 6. Arm Mechanism 6 2 1 3 4 52 A. TO CLEAN RESERVOIR 1. Hold bottom of reservoir (IT IS FILLED WITH WATER) and loosen retainer knob. Carefully lower reservoir, disengaging from metal frame. 2. Empty water, remove partition and reservoir liner. 3. Clean or replace reservoir liner. Reinstall partition in liner. To replace reservoir, hook back of reservoir over lip of dark metal frame and tighten knob. B. TO CLEAN HOSE 1. Disconnect hose from pump and pull hose up through hole. 2. Flex hose to loosen scale and flush clean with a stream of water. 3. Clean nozzle at the same time. C. TO CLEAN PUMP 1. Remove pump impellor cap (1) by pushing down on projecting sides (2). 2. Clean scale from inside of cover a...
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