12-12. Attachment B - Automation Control Standards.pdf

Cherokee County School District Automation Control Standards

Written: Wednesday, September 19, 2018 Last Revised: Thursday, June 24, 2025

Table of Contents Graphics:

School’s Main Graphics Page

Block/Wing/Section Graphics

Equipment Graphics

Graphics: (Cont.)

Graphics Notes:

Alarms:

Cooler Alarms:

Freezer Alarms:

Fire Alarms:

Power and Phase loss Alarms:

Sewage Alarms:

Generator Alarm:

HVAC Critical:

HVAC General Alarms:

Unknown Alarms:

Trends:

RTU:

FCU/AHU/VAV/WHU’s:

HRU/ERU:

EF:

Freezer/Cooler:

Hot Water Heaters:

Generator:

CHWS:

Trends: (Cont.)

Cooling Towers:

HWS:

OA Conditions:

FAS Shutdown:

Outside Lights:

Interior Lights:

Equipment:

RTU's:

VVT RTU's:

FCU’s/AHU’s/WHU’s:

Exhaust Fans:

Equipment: (Cont.)

ERU's:

DSS system Data rooms (Mini-Split):

Chillers:

Boilers:

Cooling Tower:

VFD Controls:

Electric Meter Pulse:

Equipment: (Cont.)

Electric Heaters:

Lighting control:

Domestic Hot Water Heaters:

Trap Primers:

ATS Alarms:

Space Temperature Sensors:

Generator:

FACP:

VVT Boxes:

HVAC Shutdown:

Notes:

Software Notes:

Control Programs:

• Economizer programing standard

Lighting Controls:

Interior Lighting:

Exterior lights:

Interior Security Night Lights:

Interior Emergency Lights:

CHEROKEE COUNTY

SCHOOL DISTRICT

Building Automation Control Standards

Graphics:

School’s Main Graphics Page

• Entire campus on one page.

• Display:

• Generator Status with link.

• FA Status with link.

• Cooler Temp with link.

• Display Freezer Temp with link.

• CWS Temp with link.

• HWS with link.

• CO Monitor Status with link.

• Exterior Lighting Status with link.

• Emergency Lighting Status with link.

• OAT and Humidity.

• On upgrades, School logo linked to Main Utilities Page (MUP).

(a) New facilities, we will set up pages.

• As built link.

• Interior Lighting where applicable.

Block/Wing/Section Graphics

• Display:

• Generator Status with link.

• FA Status with link.

• CWS Temp with link.

• HWS with link.

• OAT and Humidity.

• Hallways/ Corridors should be linked to FCU supply air.

• Whole rooms should not be represented by color of EF.

• Overall floorplan shortcut at bottom of the page.

Equipment Graphics

• All Equipment Should have a Graphics Page.

• All Fans should turn in graphics.

• Controlled by fan status if the equipment is monitoring status.

Graphics: (Cont.)

• Controlled by command if the equipment is not monitoring status.

• All FCU’s/AHU’s should have links to CHW and HWS.

• Display chiller or boiler plant supply temp for CHW and HWS.

• VAV’s should have links to RTU’s with RTU DA temp.

• OA temp and Humidity percentage at top of the page.

• Name at top denotes equipment and area served.

• Room names

• Zone sensor with zone temp display, effective cooling setpoint, and effective heating setpoint.

• ERU/HRU links to units and supply temp from ERU/HRU for each unit.

• Lighting zone layout on Lighting page.

• Hallways to have thermal color when conditioned.

• Room numbers instead of Unit numbers.

Graphics Notes:

• All equipment graphics should be the same graphics file for the corresponding equipment it is displaying for the entire county so that global modifications can be made county-wide if needed.

• Floor plan graphics should be updated with each project and should reflect the current style as approved by CCSD.

• Current Sample:

Alarms:

• All alarms should be set up to the existing categories of the system.

• Highlighted in yellow are the alarms that need email generation.

• Make sure all email alarms are tested, not simulated.

• Make sure all BBMD tables are set.

• The following alarms need to be enabled:

Cooler Alarms:

• Cooler High Temp (3600s delay).

• Cooler Low Temp (3600s delay).

Freezer Alarms:

• Freezer High Temp (3600s delay).

• Freezer Low Temp (3600s delay).

Fire Alarms:

• FAS Alarm.

• FAS Monitor.

• FAS Trouble.

• FAS Supervisory.

Power and Phase loss Alarms:

• Main Pwr LOP.

Sewage Alarms:

• Sewage High-Level Alarm.

Generator Alarm:

• Emergency Generator Fault

Alarm.

HVAC Critical:

• OAH Fail.

• OAT Fail.

• OUT Fail.

• ZS Comm.

• ZST Fail.

HVAC General Alarms:

• Fan Fail.

• Fan Hand.

• Boiler Fail.

• Boiler Temp Hi Alarm.

• Boiler Temp Lo Alarm.

• HWP Fail.

• HWP Hand.

• Chiller Fail.

• Chiller Temp Hi Alarm.

• Chiller Temp Lo Alarm.

• CHWP Fail.

• CHWP Hand.

• CO >30,70,150,400.

• HVAC Shutdown.

• Safety Shutdown.

Unknown Alarms:

• Critical EX Fan Fail

• Critical EX Fan Hand

• Sup Fan Fail

• Sup Fan Hand

• Unit Heater Hand

Trends:

RTU:

• Clg Setpt.

• Clg Stage 1

• Clg Stage 2 (multi-zone).

• Color Trend.

• Environmental Index.

• Htg Setpt.

• Htg Stage 1

• Htg Stage 2 (multi-zone).

• OA Temp.

• Setpoint – Effective Cooling.

• Setpoint – Effective Heating.

• Setpoint – Occupied Status Trend

Log.

• Setpoint – Zone Temp Trend Log.

• Stpt Adjust.

• DA Temp. (SA Temp).

• Fan S/S.

• Fan Status.

• Humidity.

• Clg Req.

• Hgt Req.

FCU/AHU/VAV/WHU’s:

• CHW Valve.

• HW Valve.

• Fan S/S.

• Color Trend.

• Environmental Index.

• OA Temp.

• SA Temp.

• Setpoint – Effective Cooling.

• Setpoint – Effective Heating.

• Setpoint – Occupied Status Trend

Log.

• Setpoint – Zone Temp Trend Log.

• Clg S/S.

• Hgt S/S.

HRU/ERU:

• Color Trend.

• SF-EF S/S.

• RA Temp.

• SA Temp.

• CHW Valve.

• HW Valve.

• Unit Enable.

• Clg Stage (DX Cooling).

• Wheel S/S.

• Ht Wheel Status.

• SA Humidity.

EF:

• EF S/S.

Freezer/Cooler:

• Cooler Temp.

• Freezer Temp.

Hot Water Heaters:

• Color Trend.

• Supply Temp.

• Pump S/S.

Generator:

• Color Trend.

• Emer Gen Alarm.

• Emer Gem Run.

CHWS:

• Chiller S/S.

• Chiller Status.

• Chiller Supply Temp.

• Chiller Return Temp.

• CHWP S/S.

• CHWP Status.

• Cl Req.

• Color Trend.

• OCC Mode.

• Run Cmnd.

Trends: (Cont.)

Cooling Towers:

• CT Fan S/S.

• Bypass valve.

HWS:

• Boiler S/S.

• Boiler Status.

• Boiler Supply Temp.

• Boiler Return Temp.

• HWP S/S.

• HWP Status.

• Ht Req.

• OCC Mode.

OA Conditions:

• OA Humidity.

• OA Temp.

FAS Shutdown:

• FAS Power Loss.

• Fire Alarm.

Outside Lights:

• Contact off.

• Contact on.

Interior Lights:

Trend Notes:

• Enable Trend historian for 1 month.

Equipment:

RTU's:

• Use S(E) type card or approved equivalent and mount it in the can on the outside of the unit.

• RTU’s should include the following:

• Fan.

• Fan Status.

• Cooling stages 1 and/or 2.

• Heat Stages 1 and/or 2.

• Economizer

(enable/disable).

• Dehumidification — when required.

• Discharge Air Temperature.

• Zone Temp with Override and Slide Adjust.

(a) Space humidity when required.

(b) All common areas, such as hallways/corridors and gyms should have flush sensors and should be mounted on interior walls.

• Smoke Detector Interlock when required.

• Smoke Damper Interlock when required.

VVT RTU's:

• Use S(E) type card or approved equivalent and mount it in the can on the unit.

• RTU’s should include the following:

• Fan.

• Fan Status DP Switch.

• Cooling stages 1 and/or 2, or Valve Control for CHW Valve.

• Heat Stages 1 and/or 2, or Valve Control for HW Valve.

• Bypass Damper. (Amp)

• OA damper enable.

• Dehumidification when required.

• Discharge Air Temperature.

• Return Air Humidity.

• Smoke Detector Interlock when required.

• Smoke Damper Interlock when required.

FCU’s/AHU’s/WHU’s:

• Use ZN551 or approved equivalent

• Mount inside of the unit if space is available for FCU’s/AHU’s in mezzanines.

• Mount in the can on the wall next to the unit for FCU’s/AHU’s above the ceiling.

• Mount in Hallway outside the room for WHU’s.

• Fan.

• CHW Valve – DO fm.

• HW Valve – DO fm.

• Discharge Air Temperature.

• Space Temperature with

Override/Slide Adjust.

• Transformers — Provided by

Unit Manufacturer.

Exhaust Fans:

• Use ZN551 or approved equivalent

• Use the closest point available for S/S

• Start/Stop.

Equipment: (Cont.)

• Zone Temp in MECH and EL

Rooms.

• Schedule in Bathrooms.

ERU's:

• Use S(E) type card or approved equivalent.

• Inside a can outside of the unit or in a compartment other than the main electrical section.

• Full DDC Controls based on the type of unit and factory mounted.

• See Unit Specs.

• Fan and Wheel S/S.

• SF/EF Fan Status – DP Switch.

• Wheel Status – Current Switch.

• Cooling Stages 1 and/or 2.

• Heating Stages 1 and/or 2.

• Return Air Temp and Humidity.

• Discharge Air Temp.

• Smoke Detector Interlock when required.

• Smoke Damper Interlock when required.

DSS system Data rooms (Mini-Split):

• Space sensor monitoring only in data rooms.

• Unit S/S on all offices and closets.

• Use closest available point.

Chillers:

• Board to be mounted in CP inside of boiler room.

• Chiller S/S.

• Chiller Supply Temperature.

• Chiller Return Temperature.

• CHW loop Supply/Return Temperature.

• Loop flow switch.

• Loop differential pressure sensor.

• Refrigerant Monitor.

• CT switch for pump Status.

Boilers:

• Board to be mounted in CP inside of boiler room.

• Boiler S/S.

• Boiler Supply Temperature.

• Boiler Return Temperature.

• HW loop Supply/Return

Temperature.

• Loop flow switch.

• Loop differential pressure sensor.

• CO Sensor.

Cooling Tower:

• Fan High/Low speed.

• Status.

• CT Supply Temperature.

• CT Return Temperature.

• VSD alarm.

• VSD status.

• VSD speed.

VFD Controls:

• VFD Start/Stop.

• VFD control.

• Speed.

• Status.

• Status.

• BACNet points.

• or approved equivalent

Equipment: (Cont.)

Electric Meter Pulse:

• Electric Meter Pulse — Power company Pulse.

• Phase monitor — One for each main switchboard.

Electric Heaters:

• Wall sensor.

• Start/Stop.

• RS space Temperature.

Lighting control:

• See page 13 lighting details.

Domestic Hot Water Heaters:

• Unit Enable (S/S).

• Supply Temperature.

• Strap Sensor.

• On units with Circ. Pumps, enable Circ. pump.

• DO NOT CONNECT BOOSTER

HEATERS

Trap Primers:

• System Enable.

• Typically assigned in groups.

ATS Alarms:

• LV ATS – Alarm.

• HV ATS – Alarm.

Space Temperature Sensors:

• Flush Mounted common areas:

• Gyms/all PE facilities

• Cafeteria

• Hallways

• Bathrooms

• Lobby

• Stairwells.

• Rooms require override and setpoint adjust.

Generator:

• 2 Digital Inputs.

• Running.

• Alarm.

FACP:

• Digital Inputs.

• Supervisory.

• Trouble.

• Fire Alarm.

VVT Boxes:

• Use ZN341v+ board or approved equivilent

• Space Temp RS+.

• Duct Temp (4").

HVAC Shutdown:

• Push Button locate as specified.

• Digital Input.

Notes:

1. Fan status can be a differential pressure (DP) or Current Transformer (CT) for equipment with a fan belt. All large AHU's, ERU's, and RTUs.

2. Pump status can be a current transformer (CT) switch.

3. RETROFIT JOBS — shall have all unused/old wires removed.

4. RETROFIT JOBS — Check power on fan coils to see how power is supplied to cards.

Make sure low voltage wiring does not exceed 100VA per branch circuit.

5. Use Flush Mount Sensors in Gyms/all PE facilities, Cafeteria, Hallways, Bathrooms, Lobby’s, and Stairwells.

6. ARC-Net Wiring needs to be one color

7. Use Belimo Actuators

8. Boiler Alarms shall come from the local controls on the boiler

9. Chiller alarms shall come from local controls on the panel

10. Boiler Status shall consist of a relay coil wired in parallel with the main gas valve.

11. Generator DI points to be: Alarm, Run, and Transfer switch ONLY. Only these 3.

12. Water Heater Points to be: Circ Pump S/S and HWS Temp.

13. Humidity sensors can be in the RA or SA duct.

14. FA Points to be: Alarm and Trouble.

15. FA for shutdown is to be connected to the FA panel. If not possible please contact

CCSD.

16. If installed on the job, trap primers are controlled.

17. Place a copy of full O&M’s in the main panel and uploaded to the GeoTree.

18. RETROFIT JOBS — All setpoints should remain the same as the previous version for

Chiller and Boiler Plants, RTU’s, and FCU’s.

a. The setpoints should remain the same for OAT (Run, Heating, Cooling, Dehum), and number of Requests to run.

19. Use separate boards for each unit controlled.

Software Notes:

Control Programs:

• All equipment control programs should be the same program for the corresponding equipment it is controlling for the entire county so that global modifications can be made county-wide if needed.

o Programs should include ASVI’s for Zone Temp, Humidity, and CO2.

• Economizer programing standard.

Lighting Controls:

(apply where applicable.)

Interior Lighting:

• Lighting Zone Contactors Start/Stop — Per spec and will typically have lighting panels throughout building.

• Interior Lighting will turn on when Tyco alarm is turned off.

• All interior, non-security, lights can be overridden by Tyco system when lights are already controlled by contactors.

Exterior lights:

• Exterior Lighting are controlled by sunrise/sunset calculation.

• Exterior Lights are not controlled by a security status.

Interior Security Night Lights:

• Interior Security Lights should be on 24/7.

• Program should be run without locking points.

Interior Emergency Lights:

• Interior Emergency Lights contactors should come on with emergency power from generator.

• Interior Emergency lights should not be ran on a schedule.

• Emergency lights run on lighting enable.