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KMC Controls FlexStat User Manual

KMC Controls FlexStat
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Page #4 background image
FlexStat 4 Operation Guide, Rev. R
Operation (Basic)
Navigation
Navigatethemenusandchangeseingsbypress-
ingacombinationofvariousarrowbuonsandthe
Enterbuon. Push the:
Enter buon to select and/or exit value editing.
Up or Down buon to move among entries.
Right or Left buon to move among value elds.
Left buon to return to the Home screen.
NOTE: Access to various functions may require a
password.
H/C, Fan, Occupancy, and Override
Whenthefaniscommandedtorun,theanimated
“FAN”iconrotates(ifprogrammedto).Whenthe
fancommandstops,thefaniconismotionless.
The“OCC”iconshowsasunwheninOccupied
modeandaquartermoonwheninUnoccupied
mode.
HEATorCOOLwillshow(andbeanimatedwhen
thereisanactivecommandtomovetheroomtem-
peraturetowardthesetpointviamechanicalheat-
ing/coolingoraneconomizer),dependingonthe
currentmode.ThiscanalsobeturnedOFF.
Tooverridethesemodes from the Home (tempera-
ture display) screen, press the Left arrow buon.
Press Up or Down to get to the desired line and then
Enter (twice) to edit the mode seing. Press Left to
exit to Home.
Main Menu and Settings
From the Home (temperature display) screen, press
the Right arrow buon to enter the Main Menu. You
may need to enter a password to change any seings.
Room Temp. Setpoint Adjustment
From the Home (temperature display) screen, press
the Up or Down arrow buon once to view the exist-
ing setpoint.
To temporarily change the setpoint, press the Up
or Down arrow buon repeatedly until the desired
seing is displayed and press Enter. (If Enter is not
pressed, the display will return to the Home screen
after about ten seconds and the new setpoint value
will still be saved.) The new setpoint will hold until
the next schedule change.
To permanently change the setpoint for occupied
mode, go to the Setpoints section under the Main
Menu. (In the Setpoints menu, heating/cooling set-
points/setbacks and deadband can be changed with,
if required, the correct password access. See Set-
points on page 25.)
WED 9/3 5:43 PM
COOL:
OCC:
FAN:
HUM: 31%RH
MAIN MENU
ABOUT
ADVANCED
ALARM
DATE/TIME
SCHEDULE
SETPOINTS
SYSTEM
ADVANCED
APPLICATION
CB PROGRAMS
COMMUNICATION
DATE/TIME
DEVICE
INPUTS
LIMITS
APPLICATION
DEGREES SCALE: °F
APP:
OPT: 1H/1C
ADDITIONAL SETUP
ROOF TOP
SYSTEM MODE
SYSTEM ENABLE:
AUTO
OCCUPANCY OVERRIDE
OCC OVERRIDE:
OFF
FAN MODES
UNOCC:
OCC: AUTO
AUTO
Override
Setpoint Adjustment
Home Screen
Override Screens
Configuration
Configuration Screens
Right
(Menu)
Left
(Override)
Down (Setpoint)
Up (Setpoint)

Table of Contents

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KMC Controls FlexStat Specifications

General IconGeneral
BrandKMC Controls
ModelFlexStat
CategoryThermostat
LanguageEnglish

Summary

Overview

Applications and Installation

Describes how the FlexStat connects to BACnet networks and other devices for HVAC control.

Operation (Basic)

Room Temp. Setpoint Adjustment

Explains how to view and temporarily or permanently change the setpoint from the Home screen.

H/C, Fan, Occupancy, and Override

Details how to interpret and override system modes like heating/cooling, fan, and occupancy.

Main Menu and Settings

Guides users on accessing and navigating the main menu for settings and configuration.

Display Options

Show Temperature Tenths (Decimals)

Enables displaying temperature in tenths of a degree for Fahrenheit and Celsius.

Rotation Values

Describes how to configure the rotation of optional values like humidity and CO2 on the display.

Hospitality mode

Details the simpler display and limited menus of Hospitality mode for hotel rooms.

Display Blanking

Explains how the display turns off after a period of inactivity or when the backlight goes off.

Show Time and Date

Controls the visibility of time and date on the display.

Configuration (Setup)

About the FlexStat

Shows how to access information about the FlexStat model, firmware, application, and uptime.

Main Menu Overview

Explains how to navigate the main menu using the buttons for various settings.

Advanced Menu

(Advanced) Application and Additional Setup

Guides on selecting the application, temperature scale, and other options for configuration.

Auxiliary Heat (Heat Pump Only) Setup

Details settings for auxiliary heat, including compressor lockout and delay times.

Damper Setup

Explains settings related to the economizer, DCV, and low limit alarms for dampers.

Fan Setup

Humidity Setup

Motion Sensor Setup

Optimum Start Setup

Sensor Setup

Setback (OAT) Lockout Setup

Staging Setup

Valve Setup

(Advanced) CB (Control Basic) Programs

(Advanced) CO₂ Sensor (and DCV)

CO₂ Sensor Setup and Information

Explains how to set the CO2 setpoint and provides information on sensor calibration.

DCV (Demand Control Ventilation) Setup

Details DCV setup options accessed from the Damper setup menu for ventilation control.

Basic DCV Configuration

Standard DCV Configuration

Advanced DCV Configuration

DCV OPTIONS

VENT MODE

(Advanced) Communications (BACnet)

Route Status

MS/TP Diagnostics

(Advanced) Date/Time

(Advanced) BACnet Device Properties

(Advanced) Inputs

(Advanced) Temp. Setpoint Limits

(Advanced) PID Loop Configuration

(Advanced) Restart/Restore

(Advanced) Security Levels and Passwords

Menu Items Access Levels

(Advanced) Test

(Advanced) Trend Logs

(Advanced) User Interface (UI)

Contrast

Adjusts LCD display text contrast for lighting conditions.

Display Blanking

Controls when the display turns off after inactivity or when the backlight goes off.

Inactivity

Sets the time-out for the display and backlight after the last button press.

Rotation Values

Configures optional values like humidity and CO2 to display and rotate on screen.

Show Temperature Tenths (Decimals)

Enables displaying temperature in tenths of a degree.

Show Time and Date

Controls the visibility of time and date on the display.

Mode

Toggles between Standard, Hospitality, and Locked UI modes.

Hospitality mode, Setpoint Control configuration

Alarms

DCV (Demand Control Ventilation)

Schedules

Setpoints

System Modes

Trend Viewer

Resetting the FlexStat

Restore Factory

Network Connection

MS/TP Network Communication

Details connecting to the EIA-485 MS/TP network and setting device parameters.

IP/Ethernet Network Communication

Explains connecting via Ethernet and configuring IP settings.

PC Data Port Connection

Describes connecting a computer to the FlexStat's data port for setup or troubleshooting.

Maintenance

Programming (Custom)

Firmware Upgrade

Troubleshooting

Alarm Issues

Provides steps to diagnose and resolve common alarm issues like false fan fail or low limit.

Back-Up Issues

Offers guidance on backing up settings and firmware before upgrades or issues.

Communication Issues

Details troubleshooting steps for Ethernet/IP and KMD-5576 (Data Port) communication errors.

Cover, Display, and Reset Issues

Cover Binds on Backplate

Explains how to remove and reinstall the FlexStat cover without causing damage.

Display Is Blank (or Erratic)

Display Freezes (Buttons Have No Effect)

Display Keeps Resetting

“SYSTEM ERROR

Custom Programming and Web Issues

Control Basic Programs Do Not Work

Provides troubleshooting steps if Control Basic programs are not functioning as expected.

Custom Web Graphics Do Not Work

Offers guidance for issues with custom web graphics.

Input, Sensor, and Value Issues

CO₂ Level Value Is Frozen or Is 0

Explains reasons for a frozen or zero CO2 level reading and how to check inputs.

CO₂ and DCV Sequences Are Not Working

Provides steps to troubleshoot DCV sequences when they are not functioning properly.

CO₂ Level Is "Too High"

DCV Menu Is Not Visible

Input Values Are Outside the Expected Range

Humidification/Dehumidification Issues

Motion/Occupancy Sensor Does Not Work

Temperature Reading Is Incorrect

Temperature Setpoint Is Not Maintained

Time and/or Date Are Not Correct

Output, Fan, and Relay Issues

Analog Output Does Not Work

Provides steps to troubleshoot analog output issues and check current draw.

Fan Does Not Run

Guides on diagnosing why the fan is not running, including checking mode and alarms.

Relay (External) Does Not Work

Directs users to check analog output and wiring issues for external relay problems.

Relay (Internal) Does Not Work

Upgrading Firmware Issues

Firmware Upgrade Failures

Explains how to handle firmware upgrade failures, including WD jumper issues.

FlexStat Malfunctions After Upgrade

Wiring Issues

Installation Wiring Considerations

Provides crucial considerations for wiring to avoid ground loops and ensure proper connections.

Troubleshooting Wiring Problems

Offers steps to troubleshoot wiring issues, including checking terminals and connections.

Support

Important Notices

Reference

Acronyms and Abbreviations

Lists common acronyms and abbreviations used in FlexStat documents.

Definitions of Terms

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