Aprilaire 110 owner manual Inlet Grille

MODELS 350-360

MAINTENANCE INSTRUCTIONS for APRILAIRE HUMIDIFIER MODELS 350-360

WARNING! 120 volts may cause serious injury from electrical shock. Disconnect power and shut off water supply before servicing.

			4
			2
			5	9
			3
			1.	Inlet Grille
			2.	Distribution Tray
8			3.	Scale Control Insert
			4.	Distribution Tray Cover
	6		5. Water Panel
			6. Drain Spud
7
		1	7. Power Cord

8. Metal Housing

9. Evaporative Assembly

1.Note Humidistat setting and turn dial to the “off” position.

2.Disconnect electrical power and turn off water supply.

3.Remove screws of the inlet grille (1). The grille can now be removed from the metal housing (8).

4.Lift the complete plastic framed evaporative section out of the humidifier housing.

5.To remove the distribution tray (2) from evaporative assembly (9), push down on tray and pull out on white plastic frame (Scale Control Insert) (3). To clean the “V” openings of the tray, it will be necessary to gently pry the distribution tray cover (4) from the tray. Follow instructions below depending upon the type of distribution tray in your humidifier.

For trays with a synthetic fabric liner: Lightly scrape out or brush off any mineral deposits, being careful not to stretch or loosen the synthetic fabric liner. Soaking the tray in vinegar or a lime-removing agent is helpful when trying to remove stubborn mineral deposits.

For trays with granular coating: Do not scrape off the granular coating, but lightly scrape out any mineral deposits and clean the “V” notches. This textured surface helps ensure even water flow for maximum performance. See page 3 if removed.

6.Remove Water Panel evaporator (5) from the Scale Control Insert (3). Scrape the Insert with a putty knife or similar tool and flush clean with water. Install new Water Panel evaporator (Stock No. 35). Snap plastic cover into tray and tray into Scale Control Insert.

7.Inspect the plastic feed tube by gently flexing it and looking for cracks or signs of wear. Replace tube if it is cracked, brittle or has been damaged.

8.Remove the drain hose from the bottom of the unit 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 (6). Make sure the drain hose has a constant downward slope and is not flattened or blocked.

9.Re-install complete plastic framed evaporative section and intake grille.

10.Reconnect electrical power.

11.Turn on water supply and check unit operation.

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