Wiring - KMC Controls KMCConquest FlexStat BAC-19 Series Sequence Of Operation

If controllers are to be networked
together via MS/TP, turn ON EOL switch
on the controllers at both physical ends
of the network. Connect shield wires
together and to earth ground at only one
point, but do not connect to controllers.
From BLK
previous
RED
controller
SHLD
BLK
To
next RED
controller
SHLD
CTE-3007
Low Limit
(Optional)
CSE-1102
Fan Status
(Optional)
C
NC
Condensate Float
Switch (Optional)
STE-1451
OA Temp
(Optional)
STE-1451
Discharge Temp
(Optional)
STE-6011/13W10
Remote Temp
(Optional)
Line
H
Voltage
24VAC
Connect
controller to
network using
standard
+ B OUT9
Ethernet cable.
GND 7-9
- A (optional)
IN7 OUT8
IN6 OUT7
GND OUT6
IN5 GND 4-6
IN4 OUT5
IN3 OUT4
GND RLY3
IN2 SC 1-3
COM RLY2
24 VAC RLY1
BAC-19XX36
Controller
External connections::
RLY1 = Fan Start/Stop
RLY2 = On/Off Cooling
RLY3 = On/Off Heating
OUT6 = Fan Speed
OUT7 = Modulating Cooling
OUT8 = Modulating Heating
OUT9 = Economizer
IN2 = Remote Sensor
IN3 = Discharge Air Temperature
IN4 = Outdoor Air Temperature
IN5 = Condenser Overflow
IN6 = Fan Status
IN7 = Low Limit Status
NOTES:
1. If Econ is enabled, OAT and DAT
are required.
2. See www.kmccontrols.com for
additional details.
N
Economizer Modulating
(Optional) Heating Valve
(Optional)
Set Failsafe Set Failsafe
direction to fail direction to fail
valve appropriately. valve appropriately.
~ ~
+ +
NOTE: ENSURE
WIRING TO
CONTROLLER IS
24VAC ONLY!
Modulating Fan
Cooling Valve
Speed (Optional)
BASIC DCV OPERATION
(OPTIONAL)
OA DMPR
100
0
CO2
DEADBAND
STANDARD DCV OPERATION
(OPTIONAL)
OA DMPR
100
0
CO2 CO2 BASE CO2 BASE
BASE + 200 + 600
Modulating
Cooling Valve
(Optional)
Set Failsafe
direction to fail
valve appropriately.
~
+
~ ~
On/Off
On/Off
Heating Valve
(Optional)
(Optional)
ROOM
CO2
INCREASE
CO2
SETPOINT
ROOM
CO2
INCREASE