Connecting Duct To The Unit - Broan ERV100HC Installer Manual

Ventilation systems
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6.0
Installation
6.6 C
ONNECTING
Insulated flexible duct
Use the following procedure for connecting the insulated flexible duct to the ports on the unit (exhaust to
outside and fresh air from outside).
a) Pull back the insulation to expose the flexible duct.
b) Connect the interior flexible duct to the port using a duct tie.
c) Carefully seal the connection with duct tape.
d) Pull the insulation over the joint and tuck it between the inner and outer rings of the double collar.
e) Pull the vapor barrier over the insulation and over the outer ring of the double collar.
f)
Apply duct tape to the joint making an airtight seal. Avoid compressing the insulation when you pull the
tape tightly around the joint. Compressed insulation loses its R value and causes water dripping due
to condensation on the exterior surface of the duct.
Make sure that the vapor barrier on the insulated ducts does not tear during installation to avoid con-
densation within the duct.
a)
b)
VJ0002
VJ0001
Rigid duct:
Use duct tape to connect the rigid ducts to the ports.
Do not use screws to connect rigid ducts to the ports.
Make sure that the 2 balancing dampers are left in a fully open position before connecting the ducts to
these ports (fresh air distribution port and stale air exhaust port as shown on figure 14).
(cont'd)
D
U
UCTS TO THE
NIT
CAUTION
c)
VJ0003
CAUTION
VJ0009
figure 14
d), e)
VJ0004
20
f)
VJ0005

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