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6

CORNER PANEL

LOOSEN UPPER NUT

TIGHTEN LOWER NUT

Figure 7. Adjust Unit Height Through Corner Panel

7.  Tighten the provided screws in the bracket in the 

cover panel immediately below each panel hanger. 

See detail C in Figure 6. Adjust the cover panel by 

turning slightly clockwise, if necessary, to make 

sure that the panel is properly aligned with the high 

efficiency filter kit.

8.  Continue to tighten the cover panel securing screws 

until the insulation between the cover panel and the 

kit has been compressed to approximately ¼”. The 

cover panel must form a seal with the ceiling and the 

kit around the entire perimeter of the kit. See Figure 

7. 

9.  If it is necessary to adjust the cassette height after 

the cover panel has been installed, access the 

leveling nut through the removable access cover on 

each corner. See Figure 7.

10. The return air grille must be reinstalled on the cover 

panel. Align the four tabs on the grille with the four 

slots in the cover panel. Tilt the panel back into 

place. Press the opposite side of the cover gently 

until the latches engage.

11.  Remove and discard the factory-provided return air 

filter.

12. Use clips to secure high efficiency filter. See Figure 

8.

Figure 8. High Efficiency Filter Clips

Technical Support

1-844-GET-VRF1
(1-844-438-8731)

[email protected]

www.LennoxVRF.com

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from the Apple App Store or the Google Play store.

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