Fan Coil Unit
applications
This section covers applications for fan coil units. For other applications see
Roof Top Unit applications on page 98 or Heat Pump Unit applications on page
108.
Fan Coil Unit—Four-pipe with three-speed fan and on/off valves
This application applies to models BAC-4001CW0001, BAC-4021CW0001,
BAC-4201CW0001, and BAC-4221CW0001.
Fan status switch (FST) and discharge air temperature sensor (DAT) are
optional. They are typically used only when the AppStat is connected to
a network.
For dehumidification, the AppStat must include a humidity sensor.
The remote temperature sensor (RS) is optional.
Valves are 24 Volt AC.
Fan outputs are for 24 volt AC pilot duty inputs.
For additional details on connecting sensors, see Connecting inputs on
page 20.
For additional detail on connecting the fan and valves, see Connecting
outputs on page 24.
KMC Part
No.
Description Function
CSE-1102 Differential Pressure Switch, Barb Fittings Fan status switch
STE-6011W10 Temperature sensor, 10 kΩ Type II Remote space temperature
STE-1405 Duct temperature sensor, 10 kΩ Type III Discharge air temperature
XEE-6111-040
XEE-6112-040
XEE-6311-075
Single-hub 120 volt power transformer
Dual-hub 120 volt power transformer
120/240/277/480VAC, 24 VAC, 75 VA transformer
Controls transformer
Table 6–1 Materials list
Section 6: Application drawings KMC Controls, Inc.
78 Revision G
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