Friedrich HEAT PUMPS ユーザーズマニュアル

10

920-087-04

3.  Drill two 3/16" holes through each side of the sleeve 

approximately 4" from top and 4" from bottom of sleeve.  
Screw four #10 x 1" screws (included) or appropriate 
fasteners for your installation, through the holes in the sides 
of the wall sleeve.

4.  Apply sealant around the wall sleeve where it projects 

through the inside and outside wall surfaces.  Apply the 
sealant to the screw heads or the tops of the fasteners used 
in Step #3.

NOTE:  When sealing the sleeve on the outside of the 
building, be care ful NOT to let the sealant block the two 
condensate drain holes or the four overfl ow slots at the 
bottom fl ange of the sleeve.

Figure 7

NOTE: Construct wall opening to comply with all applicable 
building codes.

Main studs

Jack studs

Main studs

Jack studs

Lintel

Mounting screw holes

No holes in bottom of wall 
sleeve unless drain kit is used

5.  If the chassis and exterior grille are to be installed later, leave 

the weatherboard and center support in place, otherwise 
remove and dispose of them.  

6.  Provide a support lintel if the wall sleeve is installed in a 

concrete or masonry wall. (See Figure 7.)

Wall

Dimensions

Figure 6

¼"

(6.4 mm)*

¼"

(6.4 mm)

---

1¾"

(4.5 cm)

3½"

(8.9cm)

5"

(12.7cm)

¾"

(1.9 cm)

¼"

(6.4 mm)

---

* If more than one accessory is to be used, use the maximum 
dimension. If the wall thickness is more than 13¾" (35cm) -  
(A + ¼" [6.4 mm]), a sleeve extension must be used.

Lintel In stal la tion