Fan Coil Unit—Two-pipe with three-speed fan, modulating valve, and
electric heat
This application applies to models BAC-4003CW0001, BAC-4023CW0001,
BAC-4203CW0001, and BAC-4223CW0001.
The water temperature sensor (WST) is required for two-pipe units.
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.
The remote temperature sensor (RS) is optional.
Valves are 24 Volt AC. with a 0-10 Volt DC control signal.
Fan and heat 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-1405 Duct temperature sensor, 10 kΩ Type III Discharge air temperature
STE-1455 Strap-on water temperature sensor, 10 kΩ Type
III
Water temperature sensor
STE-6011W10 Temperature sensor, 10 kΩ Type II Remote space 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 6–9 Materials list
Section 6: Application drawings KMC Controls, Inc.
94 Revision G
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