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13
For the Installer
5.6 INSTALLING DUAL EXTERIOR HOOD USING TANDEM
®
* TRANSITION KIT (OPTIONAL)
If desired, a Tandem transition kit can be used instead of 2 exterior hoods; but take into account
this device will generate approximately an additional 0.2 in w.g. static pressure depending on the
installation. If using the Tandem hood, we recommend using 6-in. ducts to minimize the reduction
caused by the tandem hood restriction.
The minimum joist opening needed to install the Tandem
®
transition is 9¾”. The maximum height of
the Tandem transition is 8¾”.
To connect the insulated flexible ducts to the Tandem transition (Exhaust air to outdoors and Fresh
air from outdoors), follow the instructions included with the Tandem transition kit (part no. 14690).
*Patented.
VR0003
6. CONTROLS
6.1 SPEED AND DEFROST SETTING
These units feature 2 different speeds that can be set to different levels to suit various needs. An extended defrost setting can also be
chosen in cold regions where the outside temperature is -27°C [-17°F] and lower.
Before changing the settings of the unit, please refer to your national building code. All units are factory set to the 1
st
speed and in normal
defrost.
Once the Speed Range and Defrost settings have been changed, these units can be controlled using the integrated push buttons. Refer
to section 1.2.
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