Step Five: Bypass Duct Installation - Honeywell TrueEASE Professional Installation Manual

Bypass Model Installation
STEP FIVE: Bypass Duct Installation
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Before proceeding to the next step:
I secured the humidifier to the duct as instructed.
Humidifier 33-00067EF—01
MCR29933
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MCR29878
On the duct opposite the humidifier Bypass install, cut
a 6-in. diameter duct hole.
• If the humidifier is on the supply duct, the 6-in.
diameter hole should be on the return.
• If the humidifier is on the return duct, the 6-in.
diameter hole should be on the supply.
Secure a 6-in. round duct starter collar into the 6-in.
duct hole.
Use rigid or aluminized flexible 6-in. duct to connect
the starter collar to the humidifier bypass port.
Secure the duct to the humidifier port with self-drilling
sheet metal screws using the pre-drilled holes on the
bypass port. For added seal, wrap sheet metal tape
around the duct to port connection point.
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