18-CD32D1-3
21
Installer’s Guide
BK Jumper
The factory installed jumper be-
tween “R” and “BK” on the circuit
board must be cut if an optional
Humidistat is installed.
h
HUMIDISTAT HOOKUP - 24 V Mode ONLY
If an optional humidistat for humidity control in cooling is
used, the factory installed “BK Jumper” must be cut.
The BK Jumper must also be cut if a multi-zone controller
is connected or *CONT402 is installed and using the BK
enabled feature.
See the 24VAC field hookup wiring diagrams for more
information.