KMC Controls BAC-19 FlexStat Series User guide

BAC-19xxxx FlexStat Application Guide 1AG200824A

CONTENTS

Settings ...................................................... 3

Initial Conguration.................................... 3

Accessing Settings .................................... 4

Conguration Navigation/Selection............... 4

Advanced (Menu Options) ........................... 4

Communications (Menu Options).................. 5

Schedule (Menu Options) ............................ 5

Set Clock (Menu Options)............................ 5

Setpoints (Menu Options)............................ 5

System (Menu Options)............................... 6

Trends and Alarms ..................................... 7

Passwords................................................... 7

Communication Options................................. 7

Conguration via Display Menus................... 7

Ethernet/IP Conguration via Software.......... 7

MS/TP Conguration via Software ............... 8

Display Customization................................... 9

CO2 Sensors and DCV Operation.....................11

Introduction .............................................11

Basic DCV Mode .......................................12

Standard DCV Mode ..................................12

Wiring Considerations ..................................13

General Wiring Considerations ....................13

Ethernet Network Wiring Considerations.......14

MS/TP Network Wiring Considerations .........14

Restarting the FlexStat .................................15

Types of Restart .......................................15

Warm and Cold Starts ................................15

Troubleshooting ..........................................16

Alarm Issues............................................16

Alarm, (False) Fan Status Fail...................16

Alarms, Other ........................................16

Back-Up Issues ........................................16

Communication Issues...............................16

(MS/TP) Data Port Communication Issues..16

Ethernet/IP Network Communication Issues16

MS/TP Network Communication Issues .....16

Cover, Display, and Reset Issues..................17

Cover Binds on Backplate........................17

Display Is Blank, Erratic, or Frozen ............17

Display Keeps Resetting..........................17

Conguration and Programming Issues ........18

Application Is Not Correct........................18

Control Basic Programs Do Not Work.........18

BAC-19xxxx FlexStat

Application Guide

BAC-19xxxx FlexStat Application Guide 2AG200824A

Conguration Issues...............................18

Objects Are Missing ...............................18

(Unknown) Password Is Required..............18

Software Not Compatible with the FlexStat.19

Input, Sensor, and Value Issues...................19

CO2 Level Value Is Frozen or Is 0...............19

CO2 and DCV Sequences Are Not Working ..19

CO2 Level Is “Too High” ...........................19

Input Values Outside Expected Range........19

Humidication/Dehumidication Issues.....19

Motion/Occupancy Sensor Does Not Work..20

Temperature Reading Is Incorrect .............20

Temperature Setpoint Is Not Maintained ....20

Operation Issues.......................................21

Schedules Do Not Operate Properly...........21

Time and/or Date Are Not Correct .............21

Trends Do Not Work................................21

Other Issues..........................................21

Output, Fan, and Relay Issues .....................21

Analog Output Does Not Work ..................21

Damper/Economizer Does Not Work ..........22

Fan Does Not Run...................................22

Relay (External) Does Not Work ................22

Relay (Internal) Does Not Work.................22

Updating Firmware Issues ..........................22

Finding and Selection Issues....................22

Malfunction after Firmware Update ...........22

Power Issues............................................23

Protocol Issues.........................................23

Wiring Issues ...........................................23

Appendix: UTC Offset Time Zones ..................25

Important Notices........................................26

Handling Precautions ...................................26

Support......................................................26

Index .........................................................27

BAC-19xxxx FlexStat Application Guide 3AG200824A

SETTINGS

NOTE: Select the (AHU, HPU, RTU, or FCU)

application and units BEFORE

changing any other settings. Changing

applications later will reset most

settings back to their defaults. Use

Restore APP in the Advanced menu

or software to verify or change

applications. See Advanced (Menu

Options) on page 4.

NOTE: Available menu options depend on

the FlexStat model and selected

application. Some options may require

custom Control Basic for operation

(e.g., DCV functions using an external

CO2sensor).

NOTE: Some changes to settings will not

affect operation until after the FlexStat

is restarted.

NOTE: Software is required for fully conguring

alarms and trends, adding custom

Control Basic code, and customizing

the display—see Display Customization

on page 9. For compatible software,

see the BAC-190000 Series FlexStats

data sheet.

Initial Conguration

For initial FlexStat conguration, following the

menu steps in this order is recommended.

1. Check that the desired (AHU, FCU, HPU, or

RTU) application is selected. If not, select it

and restart the FlexStat. See Restore APP in

Advanced (Menu Options) on page 4.

NOTE: Changing the application later will

reset most settings back to their

defaults!

(Default Screen Conguration Shown)

Press to Change Settings

Settings (Press Space Temp)

Time and Date

Rotation Values

Occupancy Override

Fan Auto or (Constant) On

Active Cooling Setpoint

Heat/Cool/Auto/Off Mode

Motion Sensor (Not a Button)

Active Heating Setpoint

Units (°F or C)

BAC-19xxxx FlexStat Application Guide 4AG200824A

2. Congure the (BACnet MS/TP or Ethernet)

communications settings. See Communica-

tions (Menu Options) on page 5.

3. Congure the system settings. See System

(Menu Options) on page 6.

4. Congure the setpoints. See Setpoints (Menu

Options) on page 5.

5. Congure the time and screen settings. See

Advanced (Menu Options) on page 4.

6. Congure schedules. See Schedule (Menu

Options) on page 5.

Accessing Settings

1. Push and hold the upper left corner of the

screen (space temperature reading) to start.

2. Enter the password. See Passwords on page

3. Press the desired selection.

4. Press Enter.

Conguration Navigation/Selection

1. Press the desired selection.

2. Adjust the default selection or value (by press-

ing the +or –) as desired.

3. Press Enter to save and move to the next set-

ting.

4. Press Done to return to the previous or home

screen.

NOTE: Available options depend on the

FlexStat model and selected

application.

Advanced (Menu Options)

NOTE: Select the (AHU, HPU, RTU, or FCU)

application and (English or Metric)

units BEFORE changing any other

settings. Changing applications later

will reset most settings back to their

defaults. Use Restore APP or software

to verify or change applications.

• Password 1 = Set password Level 1 (for

Active Heating and Cooling Setpoints). See

Passwords on page 7.

• Password 2 = Set password Level 2 (for

Settings menu)

• Display = Display options:

• Color Scheme—Select Blue, Grey, Orange, or

Red.

• Contrast—adjust the percentage value.

• Brightness—adjust the percentage value

(to the minimum needed for the ambient

lighting). Decreasing the default brightness,

decreases energy consumption and

(depending on lighting conditions) often

increases the attractiveness of the display.

• Time Format—display the date (if shown) as

12 Hour (MM/DD/YYYY), 12 Hour (DD/MM/

YYYY), 24 Hour (MM/DD/YYYY), or 24 Hour

(DD/MM/YYYY).

• Time Date Options—display at the bottom

of the screen Time and Date, Time Only,

Date Only, or None.

• Inactivity Timer—Enter the seconds after

the last press that the display blanking

option activates (0=No Blanking, the

default). See the Blanking Options below.

• Blanking Options—Select None (default),

Dim (display dims slightly), Backlight Off

(display becomes entirely black), or Inactivity

Screen (only space temperature is displayed

on a black screen).

• Lockout— Select None (default), Icon Bar,

or Icon Bar and Setpoints. If selected, the

item’s value can be changed only in software

until this setting is changed back to None.

• Restore APP = Select the application (AHU,

HPU, RTU, or 2- or 4-pipe FCU, dependent

on model) and (English or Metric) units. The

FlexStat will need to restart for this change to

BAC-19xxxx FlexStat Application Guide 5AG200824A

Schedule (Menu Options)

NOTE: If no schedule is set, the FlexStat will

remain in continuous occupied state as

a default.

• Setpoint Hold = Select to run the Schedule or

Hold the current setpoint.

• Entire Week = Set a schedule that applies to all

seven days.

• Weekdays = Set a schedule that applies to

Monday through Friday (only).

• Weekend = Set a schedule that applies to

Saturday and Sunday (only).

• Individual Days = Set a schedule that applies

to designated days only.

• Holidays = Set a schedule that applies to

designated holidays.

Set Clock (Menu Options)

• Date = Set the date for initial or stand-alone

operation.

• Time = Set the time for initial or stand-alone

operation.

• UTC-Offset = Set the optional UTC offset for

the relevant time zone (see Appendix: UTC

Offset Time Zones on page 25).

• DST Enable = Manually turn on/off Daylight

Saving Time mode.

• DST Auto = Enable/disable automatic Daylight

Saving Time mode.

Setpoints (Menu Options)

• Occupied Cooling = Set the Occupied Cooling

setpoint.

• Occupied Heating = Set the Occupied Heating

setpoint.

• Unoccupied Cooling = Set the Unoccupied

Cooling setpoint.

take effect. After restarting, most settings will

change back to their defaults.

NOTE: For customizing the display, see

Display Customization on page 9.

Communications (Menu Options)

NOTE: On “E” models, the default protocol is

BACnet over Ethernet with a Device ID

of 1. To see new “E” models in software,

be sure the software attached to the

network can discover BACnet over

Ethernet devices. (Add a BACnet over

Ethernet network in BACstac for KMC

Connect and TotalControl if needed.)

See Ethernet/IP Conguration via

Software on page 7.

• Device Instance = Enter the Device Instance.

• Baud Rate = Select MS/TP baud rate selection

(9600 to 115200).

• MAC Address = Enter the MAC address (on

MS/TP models).

• Comm Type = Select IP or Ethernet (on

Ethernet models).

• IP Mode = Select Normal or Foreign Device.

• IP Address = Enter the IP address.

• Gateway Address = Enter the Gateway

address.

• Subnet Mask = Enter the Subnet mask.

• UDP Port = Enter the FlexStat’s UDP port.

• BMDP Port = Enter the UDP Port of the BBMD

to which the FlexStat is registering as a foreign

device.

• BBMD Address = Enter the remote BBMD IP

address.

• Foreign Time To Live = Enter the Interval (in

seconds) at which the FlexStat (if set as a

foreign device) sends a registration message

to the BBMD with which it is registered.

BAC-19xxxx FlexStat Application Guide 6AG200824A

• Unoccupied Heating = Set the Unoccupied

Heating setpoint

• Min Cooling Setpoint = Set the Minimum

Cooling setpoint.

• Max Heating Setpoint = Set the Maximum

Heating Setpoint.

• Min Setpoint Differential = Set the Minimum

difference between the Heating and Cooling

setpoints.

• Standby Setpoint Of = Set the Standby

Setpoint Offset.

• Dehum Setpoint = Set the Dehumidication

Setpoint.

• Dehum Differential = Set the Dehumidication

Differential.

• CO2 Basic Setpoint* = Set the setpoint for

Basic DCV operation.

• CO2 Basic Deadband* = Set the deadband for

Basic DCV operation.

*NOTE: For CO2 sensor and DCV operation

information, see DCV Mode in the

System menu and CO2 Sensors and

DCV Operation on page 11.

• Economizer Enable... = Set the Economizer

Enable Temperature.

• Minimum DAT = Set the Minimum Discharge

Air Temperature.

System (Menu Options)

• Override Timer = Set the unoccupied mode

Override Timer after override has been initiated

(minutes).

• Fan Off Delay = Set the Fan Off Delay time

(minutes).

• Enable Fan Status = Enable/disable a Fan

Status alarm.

• Occupied Fan = Select the fan to run

continuously (on) during occupied mode or to

be in auto mode (off).

• Equipment Delay = Set the Equipment Delay

time (minutes).

• Stage Delay = Set the Stage Delay time

(minutes).

• Economizer Enable = Enable or disable the

Economizer.

• Min Economizer Da... = Set the Minimum

Economizer Damper position.

• Dehum Enable = Enable or disable

Dehumidication.

• Heating Fan = (RTU) select the RTU fan to

be controlled by the FlexStat (Auto) or by the

RTU’s internal relay only (Off) when heating is

activated.

• Standby Enable = Enable or disable Standby.

(When enabled, the current setpoint is set back

by the value of the Standby Setpoint Offset

after the motion sensor does not detect motion

within the time period set by the Standby

Timer).

• Standby Timer = Set the motion sensor

inactivity time before triggering Standby mode

(minutes).

• Cooling Valve Action = Select the cooling valve

for Normally Open or Normally Closed.

• Heating Valve Action = Select the heating

valve for Normally Open or Normally Closed

valve.

• Cool Prop = Set the Cooling Proportional value.

• Cool Integral = Set the Cooling Integral value.

• Heat Prop = Set the Heating Proportional value.

• Heat Integral = Set the Heating Integral value.

• Reversing Valve Acti... = Set the (HPU)

Reversing Valve Action (active during cooling or

active during heating).

• Enable CMP Lockout = Enable/disable

Compressor Lockout.

• Enable Optimum Start = Enable/disable

Optimum Start. When enabled, Optimum

BAC-19xxxx FlexStat Application Guide 7AG200824A

Start learns as days pass the optimal times to

begin and end occupied mode and adjusts the

schedule times accordingly.

• DCV Mode = Select None, Basic, or Standard

DCV mode. See CO2 Sensors and DCV

Operation on page 11.

• AUX Heat = Select None, 3rd stage, or

Compressor Lockout for (HPU) Auxiliary Heat.

Trends and Alarms

NOTE: Trend logs for the space temperature,

active cooling setpoint, and active

heating setpoint are created by default.

Use KMC software to access these

features.

PASSWORDS

FlexStats have security options for two levels of

passwords as described below and in Advanced

(Menu Options) on page 4.

LEVEL DEFAULT PROTECTS DESCRIPTION

Level 1 0000 Setpoints Four digits, with

each digit being a

number 0 to 9. If

all four numbers

are 0, no pass-

word is required

of the user for

that level.

Level 2 (See the

Conquest

Controllers

Default

Password

Technical

Bulletin)

Conguration

NOTE: If an optional Level 1 password is

set, users must enter that password

to change a setpoint. No password

required (0000) is the default.

NOTE: FlexStats are factory-set with a default

Level 2 password for conguration.

For more information about the default

password, log in to the KMC web site

and see the Conquest Controllers

Default Password Technical Bulletin.

NOTE: For security purposes, change the

controller’s default password(s). Be

sure to document any changes made

to passwords!

COMMUNICATION OPTIONS

Conguration via Display Menus

NOTE: FlexStat communications can be set

in the built-in display menu system or

through software.

Use the built-in menus to select the appropriate

MS/TP or Ethernet/IP communication method and

address information. See Communications (Menu

Options) on page 5.

Ethernet/IP Conguration via Software

“E” model FlexStats have a default conguration of

BACnet Ethernet and a Device ID of 1. To cong-

ure the FlexStat to BACnet IP using KMC software

(see the BAC-190000 Series FlexStats data sheet

for versions that support FlexStats), perform the

following steps:

1. If necessary to see the FlexStat under Network

Manager, add or change a port in BACstac to

Ethernet:

A. Click the Microsoft®Windows®Start Menu

at the lower left corner of the screen.

Starting BACstac

B. Click Cimetrics.

C. Click Congure BACstac.

Creating an Ethernet Port in BACstac

D. Click Add.

BAC-19xxxx FlexStat Application Guide 8AG200824A

MS/TP (Only) Network

Temporary MS/TP Network Access Through Data Port

BAC-5051E

Router

(Service Tool)

Data Port

Cable (from

HPO-5551

Router Tech

Cable Kit)

USB Cable

(from HPO-5551

Router Tech

Cable Kit)

Data Port

BAC-19xxxxC

MS/TP Model

KMC

Connect

Permanent MS/TP Network Access Through Router

MS/TP Network

Ethernet Network

BAC-19xxxxC

MS/TP Model

BAC-5051E

Router

(Permanent

Installation)

KMC

Controls

Software

MS/TP Conguration via Software

For MS/TP models to communicate with KMC

software, a router (e.g., BAC-5051E) is required.

See the software and router product information

for more details.

After discovery of the FlexStat in the software,

change the MS/TP conguration as desired, restart

the device, and rediscover the network.

E. Select Ethernet and enter the necessary

Port ID, Network Number, and NIC.

F. Click OK and OK.

NOTE: Port ID and Network Numbers cannot

duplicate those of another port in

BACstac. It may be easier to temporarily

change an existing IP port to Ethernet.

2. Under Network Manager In KMC Connect or

TotalControl, right-click BACnet and select Find

Devices... or Regenerate All Networks....

3. Right-click the FlexStat device object, and se-

lect Congure Device....

4. Under General Properties, enter the desired

Device Instance.

5. Under IP Conguration Properties, select

Comm Type: BACnet IP.

6. Enter the desired IP Address,Default Gateway,

and Subnet Mask.

7. Select BACnet IP Mode: Normal or Foreign

Device.

NOTE: FlexStats can be used with a BBMD (as

a Foreign Device) but not as a BBMD.

8. Click Save Changes.

9. Click Refresh.

10.Verify that the settings are valid.

• If IP Conguration Good is True then

proceed.

• If IP Conguration Good is False, check IP

Conguration Status for possible causes.

11. Under IP Conguration Command, select Commit.

12.Click Save Changes at the top.

13.Restart the FlexStat.

14.If necessary, change the BACstac port from

Ethernet back to IP.

NOTE: For more details, see the software Help

system.

BAC-19xxxx FlexStat Application Guide 9AG200824A

DISPLAY CUSTOMIZATION

The FlexStat menu allows basic display customi-

zation (e.g.,color theme, brightness, contrast). See

Advanced (Menu Options) on page 4.

KMC software allows more complete customiza-

tion in the Display Object. (See the BAC-190000

Series FlexStats data sheet for the current soft-

ware packages and versions that support the

FlexStat.) See the software Help system for more

information.

Display Object

[UI1] UI_01

Level 1 and 2

Passwords

Title Bar

Display Options

Time/Date Options

Lower Rotations

Icon Options

(Large) Top Rotation

Space Temp Only

(Default)

General Tab

Rotations Tab

Icon Bar Tab

NOTE: Right-click in a eld, and select Add, Insert,

Delete, or Move Up/Down from the menu.

BAC-19xxxx FlexStat Application Guide 10 AG200824A

Setpoint Options

System

Conguration

Options

Setpoint

Conguration

Options

Enable/Disable System

and Communications

Menus on the Display

Setpoints Tab

Advanced Tab

Options Tab

NOTE: See Settings on page 3 for explanations of options. After saving changes, restart the FlexStat.

NOTE: One setpoint

can be

disabled if

the FlexStat

is used for

only cooling

or only

heating.

NOTE: If disabled, system

or communication

options can then

only be changed in

software.

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