User guide

BAC-12xx63/13xx63/14xx63 Series FlexStat 6 Installation Guide, Rev. C
STE-1416 Duct Averaging Temp. Sensor
MEP-5372/7252/7552/7852 Fail-Safe Actuators
XEE-6311-075 or XEE-6311-100 Transformer
STE-1451 Outside Air Temp. Sensor
NOTE: WIRE TO “O” TERMINAL IF
REVERSING VALVE IS
ENERGIZED IN COOLING
MODE; WIRE TO “B”
TERMINAL IF REVERSING
VALVE IS ENERGIZED IN
HEATING MODE.
HPU LAYOUT
CSE-1102 Air Differential
Pressure Switch
NOTE: EITHER FAN STATUS (FST) OR
DISCHARGE AIR TEMP (DAT) CAN
BE USED ON IN2, BUT NOT BOTH.
STE-1402 Duct
Sensor, Type III
Heat Pump Unit (HPU)—
1 or 2 Compressors with Auxiliary and Emergency Heat
Output
Terminals
Typical
Terminal
Codes
HPU Output Connections
BACnet
Objects
Analog 9 Outside Air Damper (OAD/RTD)* AO9
GND
Ground
(for analog output terminals 7–9)
Analog 8 AO8
Analog 7 AO7
Relay 6 W2/E Emergency Heat (Optional) BO6
SC 4–6 R 24 VAC (for relay terminals 4–6)
Relay 5 W Auxiliary Heat (Optional) BO5
Relay 4 Y2 Compressor 2 (Optional) BO4
Relay 3 Y1 Compressor 1 BO3
SC 1–3 R 24 VAC (for relay terminals 1–3)
Relay 2 O/B
Reversing Valve
(see O/B Note in schematic)
BO2
Relay 1 G Fan BO1
*If optional Outside Air Damper is used, must also have MAT/OAT inputs.
 APPLICATION
DEGREESSCALE:°F
APP:
OPT:1STAGE
ADDITIONALSETUP
HEATPUMP
 ADDITIONALSETUP
AUXHEAT
DAMPER
FAN
HUMIDITY
OPTIMUMSTART
SENSORS
NOTE: To see Humidity options in the
Additional Setup menu, select
an Aux. Heat option other than
None (the default).
Input Terminals HPU 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. Mixed Air Temp. (MAT)** 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).
**When using the optional Outside Air Damper, MAT/OAT inputs must
also be connected.