Venmar THH 1.0 User Manual download pdf (Page 14)

• Attach this duct to the

FRESH AIR TO BUILDING

port (see icon

on the top of the unit), using tie wrap and duct tape. Use

the provided blue sticker dots to identify the duct.

• Locate the opening for the filtered air ductwork (HEPA 3.2

unit) or fresh/filtered air ductwork (THH 1.0 unit) on the

furnace/air handler return duct at a minimum linear

distance of 2’ (0.61 m) upstream (return side : A+B+C).

4.10 INSTALLING DUCTWORK AND REGISTERS (CONT’D)

4.10.2 C

ENTRAL DRAW POINT

NOTE FOR THH 1.0 UNIT ONLY : For this type of installation, it is not essential that the furnace blower runs when the unit is in

operation, but we recommend it.

Filtered air (HEPA 3.2 unit) distribution ductwork (Return side connection)

4. UNIT INSTALLATION (CONT’D)

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WARNING

When performing duct connections, always use approved tools and materials. Respect all corresponding laws

and/or safety regulations. Please refer to your local building code.

VD0114

VD0153

VO0047

VO0061

Stale air exhaust ductwork

Same as for Stand Alone System, described in point 4.10.1.

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Venmar THH 1.0 User Manual Page 14