Ahu (air handler unit)—1 heat and 1 cool – KMC Controls BAC-14xx36 Series FlexStat User Manual
Page 7

BAC-12xx36/13xx36/14xx36 Series FlexStat
7
Installation Guide, Rev. C
AHU 1H/1C LAYOUT
CSE-1102 Air Differential
Pressure Switch
MEP-5372, MEP-7252, MEP-7552,
or MEP-7852 Actuators
STE-1402 Duct
Sensor, Type III
STE-1416 Duct Averaging
Sensor, Type III
STE-1451 OAT Sensor, Type III
XEE-6311-050 Transformer
See also the
AHU—Additional
Options section
on the last page
for network,
humidification,
and fan speed
options.
XEE-6311-075 or XEE-6311-100 Transformer
REE-3211 or CVR11C-0/LD96200 Multi-Voltage Relays
Output
Terminals
AHU Output
Connections
BACnet
Objects
Analog 9
Optional Outside Air
Damper (OAD/RTD)*
AO9
GND
Ground (for analog
output terminals 7–9)
Analog 8
AO8
Analog 7
AO7
Analog 6 Optional Humidification
Valve (HUM or HUMV)
AO6
GND
Ground (for analog
output terminals 4–6)
Analog 5
AO5
Analog 4
Optional Fan Speed
AO4
Relay 3
Heat 1 (W1)
BO3
SC 1–3
24 VAC (for relay
terminals 1–3)
Relay 2
Cool 1 (Y1)
BO2
Relay 1
Fan 1 (G)
BO1
*If optional Outside Air Damper is used,
must also have MAT/OAT inputs.
AHU (Air Handler Unit)—1 Heat and 1 Cool
APPLICATION
DEGREES SCALE: °F
APP:
OPT: 1H/1C
ADDITIONAL SETUP
AIR HANDLER
ADDITIONAL SETUP
DAMPER
FAN
HUMIDITY
OPTIMUM START
SENSORS
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. 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.
NOTE: Do not use REE-3211/
CVR11C-0/LD96200
relays
with analog outputs! See Output
Connections on page 3.