beautypg.com

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

Page 7

background image

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.

This manual is related to the following products: