For optimal air and quiet sound performance, use 8’’ round ductwork. Rough-in kit (supplied with P5 and P8 blowers) RBFIP Series Baffle Filters (Optional) - RMIP33 AND RMIP45 INSERT SYSTEM IN- LINE AND EXTERIOR BLOWERS Model 441 Model 437 (10” Rd wall cap) (High capacity roof cap) Model HLB9 (800 cfm) - 4 HL0068RMP Series Backsplash (Stainless Steel wall covering with warming shelves. Optional) RML3336S, RML3342S, RML4548S, RML4554S or RML4560S Custom Hood Liner (optional) Model 418 10” Rd adjus

Route the cable to the unit. 7. Remove the front 8’’ oval port (A) and the front panel (B) of the unit by unscrewing their retaining screws. CAUTION Keep control low voltage wiring at least 1 foot (305 mm) away from motors, lightning ballast, light dimming circuit and power distribution panel. Do not route control wiring along with house power wiring. Avoid poor wiring connections. Failure to follow these practices can introduce electrical interference, which can cause erratic control operations

In extreme humidity conditions, the use of additional dehumidification may be desirable. Quickly remove all excess moisture and keep areas clean. - 10 2. TYPICAL INSTALLATIONS (CONT’D) 2.2 INSTALLATION FOR HEPA 4000 ONLY (CONT’D) 2.2.2 HEPA 4000 ATTIC INSTALLATION All 3 types of installation can be used in the attic (Stand Alone, Central Draw Point or Return-Return). The example shown below is a Return-Return installation (connection to a forced air system). CAUTION Due to the potential temperat

Do not remove the ground prong. Do not use an extension cord. 9. Do not install in a cooking area or connect directly to any appliances. 10. Do not use to exhaust hazardous or explosive materials and vapors. CAUTION 1. To avoid prematurate clogged filters, turn OFF the unit during construction or renovation. 2. Please read specification label on product for further information and requirements. 3. For HEPA 2000, HF 2.0, HEPA 3000, HF 3.0 and HEPA 4000 units only: Be sure to duct air outside – Do

If installed correctly, the deviator will protrude about 1/8” above the rough-in plate. 12. INSTALL THE ADAPTER (INTERIOR BLOWER) HD0087 Using two (2) no. 6 x 1/2’’ screws provided with insert, secure the adapter to the top of the rough-in plate. Remove tape from damper flap. Seal the adapter to the rough-in plate by using duct tape. HD0005 HD0006 - 8 13. CONNECT WIRING (ALL BLOWERS) WARNING Risk of electrical shock. Electrical wiring must be done by qualified personnel in accordance with all ap

Also, if you plan to stop the unit for more than 12 hours, we recommend to cover the duct with R12 insulation. 4.5.2 CENTRAL DRAW POINT (AS ILLUSTRATED IN SECTIONS 2.1.2 AND 2.3.2) Stale air ductwork Same as for Stand Alone System, described in point 4.5.1. Fresh/Filtered air ductwork (Return side connection) • Trace a 10 1/4’’ x 6 7/8’’ (260 mm x175mm) opening on the forced air unit return duct at a minimum linear distance of 9’ 10” (3 m) upstream (from forced air unit drop: A+B+C). NOTE: For H