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Pub. No. 22-1840-14
24 VAC Mode Indoor Unit with 24 VAC Comfort Control and 24VAC 2-Stage or 2-Step Heat Pump
Humidistat Hookup - 24 V Mode ONLY
The factory installed jumper between "R"
and "BK" on the circuit board must be
cut if an optional humidistat is installed.
HUMIDISTAT HOOKUP - 24 V 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 control-
lerisconnectedto*CONT402isinstalledandusingthe
BK enabled feature.
See the 24VAC field wiring diagrams for mor informa-
tion.