F55: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
14
Emergency Heat Mode
Thermostat closes R to W connection. W passes through the dissipation
board and energizes the blower motor as well as the white/violet wire
labeled “W or Y/Y2” and when used with a hydronic coil in a single
stage application can supply hydronic heating. When W is de-energized
the blower motor and the white/violet wire labeled “W or Y/Y2” is
de-energized.
A240462
Fig. 25 – Wiring Layout of Humidifier to Fan Coil
with Hydronic Heat
NOTE: Thermostat configuration shown when Dehum opens on rise of humidity.
A240463
Fig. 26 – Single-Stage AC with Dehum
NOTE: Thermostat configuration shown when Dehum opens on rise of humidity.
A240464
Fig. 27 – Single-Stage HP with Dehum
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