User guide

BAC-12xx63/13xx63/14xx63 Series FlexStat 7 Installation Guide, Rev. C
STE-1451 Outside Air Temp. Sensor
STE-1416 Duct Averaging Temp. Sensor
MEP-5372/7252/7552/7852 Fail-Safe Actuators
XEE-6311-075 or XEE-6311-100 Transformer
IF BOTH
RC AND RH TERMINALS ARE PRESENT:
WIRE RC TO SC 1-3 AND RH TO SC 4-6.
IF ONLY ONE “R” TERMINAL IS PRESENT:
WIRE BOTH SC 1-3 AND SC 4-6 TO R.
RTU 2H/2C 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
Roof Top Unit (RTU)—
1 or 2 Heat and 1 or 2 Cool
Output
Terminals
Typical Terminal
Codes
RTU Output Connections
(1 or 2 H and 1 or 2 C)
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 BO6
SC 4–6 RH/R 24 VAC (for relay terminals 4–6)
Relay 5 W2 Heat 2 (Optional) BO5
Relay 4 W1 Heat 1 BO4
Relay 3 Y2 Cool 2 (Optional) BO3
SC 1–3 RC/R 24 VAC (for relay terminals 1–3)
Relay 2 Y1 Cool 1 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:1H/1C
ADDITIONALSETUP
ROOFTOP
 ADDITIONALSETUP
DAMPER
FAN
HUMIDITY
OPTIMUMSTART
SENSORS
Input Terminals RTU 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.