System Configuration

Fresh Air Vent Control

The vent control lever is located on the left side of the unit, behind the front panel.

NOTE: The vent door shipping hardware must be removed before using the vent control lever. See page 17, Figure 21, (Remove Shipping Screw from Vent Door if present).

When vent door is set to CLOSE, only the air inside the room is circulated and filtered, See Figure 28.

When vent door is set to OPEN, some outdoor air will be drawn into room. This may reduce heating or cooling efficiency.

Figure 28

 

Air Vent Control Location

VENT CONTROL

 

(Pull lever through

 

label to operate)

 

CLOSE

D

 

 

FRP025

Adjusting Air

To adjust air direction:

1.Remove front panel. See Figure 22.

2.Remove louver screws that hold louver insert in place (from back side of front panel). See Figure 29.

3.Turn louver insert and rotate 180°. See Figure 30.

4.Replace louver insert.

5.Replace screws and front panel.

Figure 29

Backside of Front Panel

LOUVER SCREWS

FRP026

Figure 30

 

Adjusting Louvers

 

AIR DISCHARGE OUTWARD (Default)

AIR DISCHARGE UPWARD

 

FRP027

22

 

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Image 24
Friedrich 920-087-09 operation manual System Configuration