KMC Controls BAC-1xx63 Series Installation Manual Download Page 9

BAC-1xx63 Series (6 Relays, 3 Analog Outputs)   

Installation Guide

© 2010 KMC Controls, Inc.   

913-019-01I

Important Notices

The material in this document is for information 

purposes only. 

The contents and the product it 

describes are subject to change without notice.

 

KMC Controls, Inc. makes no representations or 

warranties with respect to this document. In no event 

shall KMC Controls, Inc. be liable for any damages, 

direct or incidental, arising out of or related to the 

use of this document.

Fan Coil Unit (FCU)—

Other Options

N.O.

N.C.

(4-PIPE 2-POSITION FCU OPTION)

VEP-1xxx0186/VEZ-4xxxxMBx 

Valves with 24 VAC Actuators

XEE-6311-050 Transformer

BRN (VEP Series) or RED (VEZ Series)

BLU (VEP Series) or BLK (VEZ Series)

(See Wire 

Colors 

Above)

(2-PIPE MODULATING FCU OPTION)

VEP-45xxB745/
VEB-43xxxBCK 

Valve with 

MEP-4002 0–10 

VDC Actuator

XEE-6311-050 Transformer

STE-1454 Temp. Sensor

(2-PIPE 2-POSITION FCU OPTION)

XEE-6311-050 Transformer

VEP-1xxx0186/VEZ-4xxxxMBx 

Valve with 24 VAC Actuator

BRN (VEP Series) or RED (VEZ Series)

BLU (VEP Series) or BLK (VEZ Series)

STE-1454 

Temp. Sensor

NOTE:  See the FCU—Overview section on the 

previous page for the 4-Pipe Modulating 

option and the general schematic.

Additional Resources

The 

latest support files

 are always available on the 

KMC Controls web site (

www.kmccontrols.com

). T

see all available files, you will need to log-in to the 

Partners site.

For specifications, see the FlexStat Data Sheet.
For operation, configuration, troubleshooting, 

and other information, see the FlexStat Operation 

Guide.
For additional wiring, application, and program-

ming information, see the FlexStat Application 

Guide.

For additional instructions on programming, see the 

Help system for BACstage or TotalControl.

KMC Controls, Inc.

19476 Industrial Drive

PO Box 497

New Paris, IN 46553

574.831.5250; Fax 574.831.5252

www.kmccontrols.com; [email protected]

Summary of Contents for BAC-1xx63 Series

Page 1: ...t windows air vents and air circulation obstructions e g curtains furniture See the Application Guide for more information Additionally for a model with an occupancy sen sor option be sure to install it where it will have unobstructed view of the most typical traffic area see the Application Guide for more information If replacing an existing thermostat label wires as needed for reference when rem...

Page 2: ...six conductor and outputs e g 12 conduc tor is recommended Grounds for all the inputs can be combined on one wire CAUTION To avoid damage from ground loops and other communication issues in networked FlexStats correct phasing on MS TP network and power connections on ALL the networked controllers is critically important MS TP Wiring Connect the A terminals in parallel with all other A terminals on...

Page 3: ...plication Guide Output Connections Connect the device under control between the desired output terminal and the related SC Switched Com mon for relays or GND Ground for analog outputs terminal See Illustration 4 For the bank of three relays there is one Switched relay Common connec tion in place of the GND terminal used with analog outputs See Illustration 5 Relay 3 or 6 SC 1 3 or 4 6 Relay 2 or 5...

Page 4: ...ower Connection The FlexStat requires an external 24 volt AC power source Use a KMC Controls Class 2 transformer to supply power Connect the transformer s neutral lead to the 24 VAC Common C terminal and the AC phase lead to the 24 VAC Phase R terminal See Illustration 4 Power is applied to the FlexStat when the transformer is plugged in KMC Controls recommends powering only one con troller thermo...

Page 5: ...lso have MAT OAT inputs typically 10K Type III thermistors Ensure pull up resistor switch positions are set properly see Illustration 3 on page 2 Fan Status FST or Discharge Air Temperature DAT is an optional selectable input Ensure pull up resistor switch positions are set properly 10K position for the relay switch or Type III thermistor Output Terminals AHU Output Connections Modulating BACnet O...

Page 6: ...inals 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 Input Terminals HPU Input Connections BACnet Objects IN4 Opt Outside Air Temp OAT AI4 IN3 Opt Mixed Air Temp MAT AI3 GND Ground IN2 Optional FST or DAT AI2 When using optional Outside Air Damper must also have MAT OAT inputs typically 10K Type I...

Page 7: ...AT inputs typically 10K Type III thermistors Ensure pull up resistor switch positions are set properly see Illustration 3 on page 2 Fan Status FST or Discharge Air Temperature DAT is an optional selectable input Ensure pull up resistor switch positions are set properly 10K position for the relay switch or Type III thermistor Output Terminals Typical Terminal Codes RTU Output Connections 1 or 2 H a...

Page 8: ...DAT is an optional selectable input Ensure pull up resistor switch positions are set properly 10K position for the relay switch or Type III thermistor Output Terminals BAC 1xxx63C FCU Output Connections BACnet Objects 2 Pipe 4 Pipe Analog 9 AO9 GND Ground for analog output terminals 7 9 Analog 8 Heat Valve Proportional HTV AO8 Analog 7 Valve Proportional VLV Cool Valve Proportional CLV AO7 Relay 6...

Page 9: ... 6311 050 Transformer STE 1454 Temp Sensor 2 PIPE 2 POSITION FCU OPTION XEE 6311 050 Transformer VEP 1xxx0186 VEZ 4xxxxMBx Valve with 24 VAC Actuator BRN VEPSeries or RED VEZ Series BLU VEPSeries or BLK VEZ Series STE 1454 Temp Sensor NOTE See the FCU Overview section on the previous page for the 4 Pipe Modulating option and the general schematic Additional Resources The latest support files are a...

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