920-198-00

Through-the-wall Installations

The following instructions apply to wood, masonry, brick, concrete or cinder block wall construction

STEP 1 Follow steps 1, 2, 3 and 4 of the "STANDARD SASH WINDOW

STEP 3

WALL PREPARATION – The maximum wall thickness permis-

INSTALLATION" instructions beginning on page 10.

 

sible without special construction is determined by the model size

STEP 2 CABINET PREPARATION – Remove the sill plate from the

 

to be installed. THE OUTSIDE CABINET CONDENSER-AIR-

 

INTAKE-LOUVERS MUST NOT BE BLOCKED BY EXTENDING

cabinet by removing the two nuts and screws retaining the sill

 

 

INSIDE THE WALL AREA. Observe the maximum wall thickness

plate. Note that the chassis retainer is secured by a right side

 

 

shown in the chart and diagram in Figure B.

nut and screw (See Detail 1, Figure A.) Bend the tabs of the

 

 

 

sill plate down into its channel at both ends of the plate or cut

 

SPECIAL INSTRUCTIONS FOR EXTRA THICK WALLS –

them off (See Detail 2, Figure A.) Turn the sill plate end to end,

 

 

For installation in walls exceeding the maximum thickness shown

180° and reinstall. Reverse the orientation of nuts and screws

 

 

in the chart, the following suggested construction may apply.

so that the head of screw is on bottom of cabinet facing up and

 

 

 

nut is on top facing down (See Detail 3, Figure A.) Insure that

 

 

the chassis retainer is reinstalled as shown in the detail.

 

 

 

 

 

 

Figure A

BEFORE

 

AFTER

CABINET

 

 

 

 

 

SCREW

 

 

 

(2 REQUIRED)

 

 

 

 

 

NUT

 

DETAIL 1

 

(2 REQUIRED)

SILL

NOTE: HOLES

 

PLATE

 

 

 

MOVED TO

 

 

 

 

TURN SILL PLATE

 

BACK SIDE

 

 

 

 

END TO END

NUT

 

DETAIL 3

 

(2 REQUIRED)

 

 

 

RETAINER, CHASSIS

 

SCREW

 

THIS SIDE ONLY

 

(2 REQUIRED)

 

 

 

SCREW AND NUT

 

 

 

ORIENTATION NOW

 

 

 

REVERSED

 

DETAIL 2

 

 

 

BEND TABS DOWN

 

 

 

 

 

 

Figure B EXTRA THICK WALL CONSTRUCTION

MAXIMUM WALL THICKNESS

TOP VIEW

CONDITIONED ROOM SIDE AIR

 

CONDENSER

 

AIR INTAKE

 

LOUVERS

 

 

 

 

MODEL

 

A

 

SMALL CHASSIS

 

7 ⅜"

 

MEDIUM CHASSIS

 

7 ⅜"

 

LARGE CHASSIS

 

15 ⅛"

 

TOP VIEW SHOWING BEVELED SIDES FOR

AIR INTAKE. WALL BELOW UNIT MUST BE BEVELED ALSO.

 

2" MINIMUM

 

BOTH SIDES

 

CONDENSER AIR

 

INTAKE LOUVERS

CONDENSER AIR

NOTE: Condenser air inlets

OUTLET / REJECTED

and outlet must be unobstruct-

HEATED AIR

ed to avoid the recirculation of

rejected heated air.

 

15

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Image 15
Friedrich EM24, SS14, SS16 Through-the-wall Installations, Detail, Step, Special Instructions for Extra Thick Walls, Model