This units increased performance characteristics meant;
1. The rear air intake moved to the opposite side.
2. The depth had to be increased.
It is very important that these installation instructions are followed so your unit can operate at maximum
efficiency.
If this is an existing sleeve, and there is an existing rear grille, the louvers will have to be bent as per the
instructions at the beginning of each section.
If this proves too difficult to accomplish;
EITHER
1. Remove the existing grille.
2. Place the included aluminum grille towards the rear of the unit.
3. Mark through the hole positions.
4. Drill through the sleeves flanges with a 1/8” drill bit.
5. Attached the new grille with self-threading screws and washers (not included).
6. It is VERY IMPORTANT that the partition be placed on the left side of the sleeve as shown below.
OR
1. Remove the existing grille.
2. Use Plastic grille and secure to sleeves flanges using existing screws and washers.
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