Herrmidifier Co 707U The following items are located in the carton, “707 SM/STD Hardware Kit”

Physical installation

Mounting on the face of a vertical return duct or side of a horizontal return

1.Mount the installation template on the side of the cold air return air duct with the center line of the template lined up with the center line of the return air duct. The narrow side of the duct may be used if space permits.

2.Check the template with a level to ensure proper installation of the humidifier.

3.Drill (4) 1/8” diameter holes (as shown on the template) for mounting the wire bracket with sheet metal screws and flat washers provided.

4.Cut out the circle marked on the template. Do not cut this opening undersized.

5.With a hammer and a heavy piece of metal, straighten the metal edges to prevent injury to yourself and damage to the humidifier.

6.Fit the rubber channel around the cut-out to cover the rough edges of the hole and trim to fit.

7.Attach the wire mounting bracket to the duct with (4) #10 sheet metal screws and flat washers (provided).

8.Move the side adjusting arms vertically until the shelf of the wire mounting bracket is level.

9.Mark the duct for securing adjusting arms and drill (2) 1/8” holes. Fasten the arms in this position with (2) #10 sheet metal screws and flat washers (provided).

10.The float and valve assembly have been factory adjusted to maintain 1-1 1/2” of water in the water reservoir pan at normal water pressure. If necessary, bend the float arm to the required position to maintain the water level at other water pressures.

11.Before mounting the humidifier in its final position, carefully rotate the impeller assembly by hand to ensure it rotates freely. Position the humidifier on the wire mounting bracket with the float and valve assembly connection facing the most convenient location. Be sure that the water reservoir pan feet do not rest on the wire bracket and that the water reservoir pan is level.

12.The discharge dome should approach the opening in the duct, however, it should not extend into the duct. There will be no heat loss, due to the negative pressure of the cold air return duct (the air flow will create a vacuum in the duct).

NOTE:

The following items are located in the carton:

•Bottom pan

•Atomizing assembly

•Discharge dome (plastic)

•Wire mounting bracket

The following items are located in the bag identified

“707 SM/STD Hardware Kit”:

•Template

•(6) #10 x 3/4” screws

•(6) #10 flat washers

•Rubber channel

Cold air return duct

Wire mounting bracket

Bracket should be level

Rubber channel

Discharge dome

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