Manual

BAC-12xx36/13xx36/14xx36 Series FlexStat 5 Installation Guide, Rev. C
Applications
FCU 2-PIPE MODULATING LAYOUT
CSE-1102
Air Differential Pressure Switch
VEP-45/
VEB-43
Valves
with
MEP-4002
0–10 VDC
Actuators
STE-1402
Duct Temp. Sensor, Type III
XEE-6311-050 Transformer
STE-1454
Strap-On Temp. Sensor, Type III
REE-3211 or CVR11C-0/LD96200 Multi-Voltage Relays
FCU (Fan Coil Unit)—2 Pipe, Modulating
Output
Terminals
FCU Output
Connections
BACnet
Objects
Analog 9 AO9
GND
Ground (for
analog output
terminals 7–9)
Analog 8 AO8
Analog 7 Valve (VLV) AO7
Analog 6 AO6
GND
Analog 5 AO5
Analog 4 AO4
Relay 3 Fan 3 BO3
SC 1–3
24 VAC (for relay
terminals 1–3)
Relay 2 Fan 2 BO2
Relay 1 Fan 1 BO1
 APPLICATION
DEGREESSCALE:°F
APP:
OPT:2–PIPE
ADDITIONALSETUP
FANCOIL
 ADDITIONALSETUP
FAN
OPTIMUMSTART
SENSORS
VALVE
NOTE: Do not use REE-3211/
CVR11C-0/LD96200
relay
s with analog
outputs! See Output
Connections on page 3.
Input Terminals FCU Input Connections BACnet Objects
IN9 Opt. Remote CO
2
Sensor* AI9
IN8 AI8
IN7 Opt. Remote Temp. Sensor* AI7
IN4 AI4
IN3 Supply Water Temp. (W-TMP)** AI3
GND Ground
IN2 Optional FST or DAT* 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).
**Input for Supply Water Temp is typically a 10K,Type III thermistor.