Install Instructions
Table Of Contents
BAC-12xx63/13xx63/14xx63 Series FlexStat 5 Installation Guide, Rev. E
CSE-1102 Air Differential
Pressure Switch
XEE-6311-075/6311-100 Transformer
STE-1451 Outside Air Temp. Sensor
XEE-6311-075 Transformer
AHU LAYOUT
STE-1402 Duct
Sensor, Type III
MEP-4552 or MEP-7x52 Actuators
SET SWITCHES FOR...
OPERATION: Opposite of Fail-Safe
FAIL-SAFE: In Direction Actuator
Rotates to Open Return Damper
INPUT RANGE: 2–10 VDC
SET SWITCHES FOR...
OPERATION: Opposite of Fail-Safe
FAIL-SAFE: In Direction Actuator
Rotates to Close Outside Air Damper
INPUT RANGE: 2–10 VDC
VEB-43 Fail-Safe Valves with MEP-4x52V Actuators
SET SWITCHES FOR...
OPERATION: CCW
FAIL-SAFE: CW
INPUT RANGE: 2–10 VDC
SET SWITCHES FOR...
OPERATION: CW
FAIL-SAFE: CCW
INPUT RANGE: 2–10 VDC
REE-3211 or CVR11C-0/LD96200 Multi-Voltage Relay
Applications
Air Handler Unit (AHU)—
Modulating Heat and Modulating Cool
Input Terminals AHU Input Connections BACnet Objects
IN9 Opt. Remote CO
2
Sensor* AI9
IN8 AI8
IN7 Opt. Remote Temp. Sensor* AI7
IN4 Opt. Outside Air Temp. (OAT)** AI4
IN3 Opt. Discharge Air Temp. (DAT)** AI3
GND Ground
IN2 Optional FST* AI2
*Fan Status (FST), Discharge Air Temperature (DAT), and (not shown
on the diagram) remote temp./CO
2
sensors are optional inputs. Set
pull-up resistor switch positions appropriately (see the Input
Connections section).
**When using the optional Outside Air Damper, DAT/OAT inputs must
also be connected.
Output
Terminals
AHU Output Connections
(Modulating)
BACnet
Objects
Analog 9 Outside Air Damper (OAD/RTD)* AO9
GND Ground (for analog output terminals 7–9)
Analog 8 Heating Valve (HTV) AO8
Analog 7 Cooling Valve (CLV) AO7
Relay 6 BO6
SC 4–6
Relay 5 BO5
Relay 4 BO4
Relay 3 BO3
SC 1–3 24 VAC (for relay terminals 1–3)
Relay 2 BO2
Relay 1 Fan BO1
*If optional Outside Air Damper is used, must also have DAT/OAT inputs.
NOTE: See also the RTU section
for 2-stage options.
APPLICATION
DEGREES SCALE: °F
APP:
ADDITIONAL SETUP
AIR HANDLER
ADDITIONAL SETUP
DAMPER
FAN
HUMIDITY
OPTIMUM START
SENSORS
NOTE: For MAT sensor use
with rmware earlier
than R2.1.0.18, see the
FlexStat Economizer
Change of MAT to
DAT Service Bulletin
available on the KMC
Partners web site.