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.
BLK
From
previous RED
controller
SHLD
BLK
To
next RED
controller
SHLD
CSE-1102
Fan Status
(Optional)
C
NC
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.
- A (optional) GND 7-9
IN7 OUT8
IN6 OUT7
GND RLY6
IN5 SC 4-6
IN4 RLY5
IN3 RLY4
GND RLY3
IN2 SC 1-3
COM RLY2
24 VAC RLY1
BAC-19XX63
Controller
External connections::
RLY1 = Fan Start/Stop
RLY2 = Compressor Stage 1
SC1-3 =
Unit 24VAC
RLY3 = Compressor Stage 2
RLY4 = Reversing Valve
RLY5 = Auxiliary Heat
SC4-6 =
Unit 24VAC
OUT9= Economizer
IN2 = Remote Sensor
IN3 = Discharge Air Temperature
IN4 = Outdoor Air Temperature
IN6 = Fan Status
NOTES:
1. If Econ is enabled, OAT and DAT
are required.
2. See www.kmccontrols.com for
additional details.
N
Economizer
(Optional)
Set Failsafe
direction to fail
valve appropriately.
~
+
NOTE: ENSURE WIRING TO
CONTROLLER IS 24VAC ONLY!
Heatpump
Control Wiring
BASIC DCV OPERATION
(OPTIONAL)
100
0
CO2
DEADBAND
STANDARD DCV OPERATION
(OPTIONAL)
100
0
CO2 CO2 BASE CO2 BASE
BASE + 200 + 600
OA DMPR
ROOM
CO2
INCREASE
CO2
SETPOINT
OA DMPR
ROOM
CO2
INCREASE