Broan HEPA 3000, HEPA 4000, HEPA 2000 RETURN-RETURN Installation Connection to a Forced AIR System

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2. TYPICAL INSTALLATIONS (CONT’D)

2.1HEPA 1000 AND HF 1.0 UNIT INSTALLATIONS (CONT’D)

2.1.3 RETURN-RETURN INSTALLATION (CONNECTION TO A FORCED AIR SYSTEM)

Filtered air and stale air flow through the forced air system ducts which simplifies the installation. Filtered air is supplied to the return (plenum) of the forced air unit. To avoid cross-contamination and achieve highest efficiencies, the forced air system blower must always be ON (or the unit efficiency will be affected).

See figure below.

NOTE: Home with multiple forced air systems should have 1 unit on each system.

CAUTION

Do not connect the unit (HEPA 1000 or HF 1.0) on any forced air system supply duct. Connect it only to the air return duct. Do not install duct or duct connector directly above the forced air unit or not less than 2’ (0.61 m) of the plenum connection to the forced air unit, as measured along the length of the duct.

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Contents Installation Instructions About this Manual About These Units Table of Contents Table DES Matières Before Starting Typical InstallationsTypical Installations CONT’D Hepa 1000 and HF 1.0 Unit Installations CONT’D RETURN-RETURN Installation Connection to a Forced AIR System Hepa 4000 Restricted Area VH0051 Hepa 2000, HF 2.0, Hepa 3000, HF 3.0 and Hepa Hepa 2000, HF 2.0, Hepa 3000, HF 3.0 and Hepa 4000 Unit VH0043 Front View TOP View DimensionsDimensions CONT’D Install the Unit Install the Unit CONT’D HOW to Hang the Unit CONT’D Stale air exhaust ductwork Stale air ductwork Filtered air ductwork Return side connection cont’d Hepa 2000, HF2.0, Hepa 3000, HF 3.0 and Hepa 4000 Units only Pull back the insulation to expose the flexible duct 457 mm Xmas tree pin Connecting the Drain Hepa 3000 and HF 3.0 Units only NORMAL/REMOTE ControlsControls C12 / CM and C34 / CMR Controls CONT’DControls C12 / CM and C34 / CMR CONT’D VD0088 Is on Normal or Boost Using C34 / CMR Control Maintenance For Hepa 2000 and HF 2.0 only Maintenance CONT’DMaster Reset C12 / CM and C34 / CMR Controls Parts Ordering Chart Problems Solutions Troubleshooting