KMC Controls BAC-4000 series - Connecting to a Modulating Fan

Illustration 2–8 Connections to a three-speed fan
High Med LoW Com
24 VAC
MS/TP
+B
A
RS
WST
GND
DAT
COM
FAN-L
FAN-M
FAN-H
R
BO4
BO5
GND
AO6
AO8
AO7
24VAC
Connecting to a modulating fan
The following diagram shows the connections for a modulating speed fan.
The fan start circuit must be a 24-volt AC circuit. Connect it to the
FAN-L output.
The speed control is a 0-10 volt DC analog output.
Installation, Operation, and Application Guide for AppStat Section 2: Installing the AppStat
Revision G 25