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9
800.558.1711 Installation & Operation Instructions
Recommended HVAC System Installation
DUCTING TO HVAC SYSTEMS
The recommended installation draws air from a dedicated indoor air return and ducts the supply of the
dehumidier to the air supply of the existing HVAC system. Utilize the optional fresh air ventilation duct to
provide outside air.
• Install a dedicated 8" air return for the B70DHV from a central area of the structure.
• Duct the supply of the B70DHV to the supply of the existing HVAC system with a backdraft damper.
• If the existing system has multiple returns, instead of installing a dedicated return to the B70DHV,
it is possible to select one to disconnect from the existing HVAC system and use it for the dedicated
B70DHV return. Select a return from a central location in the house that is always open to the rest
of the structure. DO NOT use a return from a room where doors are kept closed.
• DO NOT locate return in a bathroom or kitchen.
• Control should be located remotely from the dehumidier and placed in a central location.
• Please visit our website at www.Boran-NuTone.com for more installation options.
Santa Fe
Supply
Air Handler
HVAC Supply
Dedicated Santa Fe Ultra70 Return to A/C Supply
HVAC Return
Indoor Air
Return
Fresh Air Intake (Optional)
Motorized Damper
Backdraft
Damper
Dedicated Return to HVAC Supply
Supply
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