Справочник Пользователя для Honeywell F300

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68-0240EF-5

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Mount turning vanes inside the elbow or angle fitting that is 

directly against the air cleaner cabinet. See Fig. 7.

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Install a transition when the opening in the air cleaner 

cabinet and the duct are different sizes. See Fig. 4.

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Fasten the other side of the cabinet to the elbow using 

sheet metal screws, rivets, or slip joints as appropriate. If 

drilling holes, use locking pliers to help hold the unit in place 

during drilling. See Fig. 7.

!

Seal all joints in the return air system between the air 

cleaner and the furnace to prevent dust from entering the 

clean airstream. Use optional air cleaner cabinet gasket kit 

(part no. 32002109-001), mastic or foil tape.

The electronic cell must always be installed so the ionizer 

section is on the upstream side. A factory-installed cell key on 

the bottom of the cabinet allows the cell to be inserted in only 

one direction. If the arrow molded into the plastic key points in 

the same direction as the airflow, the ionizer is always on the 

upstream side.

If position of the key must be reversed, proceed as follows:

1. Remove the electronic cell.

2. Remove the screw holding the cell key in place. See Fig. 8.

3. Turn the key around and place it over the opposite holes. 

The tab on the bottom fits into the larger hole, and the 

screw fits into the smaller hole. Make sure the arrow on 

the key points in the direction of the air flow (down-

stream).

4. Tighten the screw into the new hole.

5. Insert the electronic cell. The ionizer section will now be 

on the air-entering (upstream) side of the cabinet.

Cell handles included with the air cleaner must be installed on 

the end of the cell closest to the access door. To install:

1. Orient the cell as it will be when installed. The gray 

contact board must be up and the airflow arrow stamped 

into the cell must point downstream.

2. Hold the handle sideways and insert the solid tab on the 

back of the handle into the slot in the cell. Turn the 

handle 90 degrees clockwise to align the divided tab with 

the square hole. See Fig. 9.

3. Insert the divided tab into the square hole.

4. Fold up the wedge and insert it into the divided tab to 

lock the handle in place. If necessary, press with a blunt 

instrument like the end of a pliers.

M20815

LOCKING
PLIERS

TURNING
VANES

PREFILTER GUIDES

CELL KEY

M5639

CELL 
KEY

ALTERNATE
HOLES FOR
KEY

CELL KEY
SCREW

DOWNSTREAM

AIRFLOW

M6047A

ROTATE 90

DEGREES

FOLD TAB

TO LOCK 

HANDLE

IN PLACE

INSTALL HANDLE ON END OF CELL 

CLOSEST TO ACCESS DOOR