Broan 358NDK Installation Instructions

358NDK DUCTLESS CONVERSION KIT FOR THRU SOFFIT VENTING
1. Install PM250SSP per installation instructions shipped with power module.
2. Remove aluminum filter and attach the CHARCOAL FILTER (included) to the backside of the
aluminum filter with the 4 supplied metal clips.
3. Cut hole in bottom of SOFFIT to allow clearance for the 90° ANGLE BOOT.
4. Locate top of 4¼" X 10¼" OPENING on soffit - centered on POWER MODULE CENTERLINE and
26.125" above bottom of POWER MODULE.
5. Layout 4¼" x 10¼" pattern and cut opening in soffit.
6. Connect 90° ANGLE BOOT to 7" ROUND DUCT.
7. Insert boot end into soffit and connect 7" round duct end to the exhaust of the unit.
8. Install GRILLE (included - not shown) into soffit opening.
9. Use metal foil tape to make all connections secure and air tight.
4¼" x 10¼"
SOFFIT OPENING
90° ANGLE BOOT
(included)
7-IN. ROUND DUCT
(included)
PM250SSP
POWER MODULE
CHARCOAL FILTER
(included) (99010464)
OPTIONAL METAL LINER
(LB30SS or LB36SS)
(purchase separately)

INSTALLATION INSTRUCTIONS

FOR USE WITH PM250SSP POWER MODULE
C L
POWER MODULE
CENTER LINE
SOFFIT
26.125"
CABINET