Greenheck 484279 Microprocessor Controller DOAS v4.001 February 2020 Installation and Operation Manual

®

Document 484279

Microprocessor Controller for

Dedicated Outdoor Air System

Reference Guide for Microprocessor Controller

Please read and save these instructions for future reference. Read carefully before attempting to assemble, install, operate or maintain the product described. Protect yourself and others by observing all safety information. Failure to comply with these instructions will result in voiding of the product warranty and may result in personal injury and/or property damage.

DOAS v4.001

Technical Support

Call 1-866-478-2574

Program Features

The microprocessor controller offers control through easy monitoring and adjustment of unit parameters by way of a lighted graphical display and an integral pushbutton keypad.

Pre-Programmed Operating Sequences

Introduction

The controller has been pre-programmed to offer multiple control sequences to provide tempered air.

Factory default settings allow for easy setup and commissioning. The sequence parameters are fully adjustable. Refer to the Sequence of Operation for details.

digital output is reserved for remote alarm indication.

Alarms are also communicated via BMS (if equipped).

Occupancy Modes

The microprocessor controller offers three modes of determining occupancy: a digital input, occupancy schedule or the BMS. If in the unoccupied mode, the unit will either be shut down, continue normal operation utilizing adjustable unoccupied set points, recirculate with unoccupied set points or will cycle on to maintain adjustable unoccupied space temperature and humidity set points (space temperature and humidity sensor is optional).

BMS Communication

The user can remotely adjust set points, view unit status points and alarms. The microprocessor controller is capable of communicating over several protocols:

Remote Unit Access (if equipped)

The WebUI and Remote Display are two ways to gain access to the unit controller allowing monitoring of the unit and parameter adjustment without being at the unit.

• BACnet® MSTP

• BACnet® IP

• LonWorks®

• Modbus RTU

• Modbus TCP

Reference Points List for a complete list of BMS points.

The WebUI can be accessed via a building network and is included with every unit controller. The Remote

Display is an LCD to be panel mounted in a remote location and is an option available for purchase.

Built-In Occupancy Schedule

The controller has an internal programmable time clock, allowing the user to set occupancy schedules for each day of the week. The controller option also has morning warm-up and cool down capability for improved comfort at the time of occupancy.

WARNING

Electrical shock hazard. Can cause personal injury or equipment damage. Service must be performed only by personnel that are knowledgeable in the operation of the equipment being controlled.

Alarm Management

The microprocessor controller will monitor the unit’s status for alarm conditions. Upon detecting an alarm, the controller will record the alarm description, time, date, and input/output status points for user review. A

WARNING

Mechanical high static protection cutoffs must be installed by others to protect the system and equipment from over-pressurization when using factory provided control sensors. The manufacturer does not assume responsibility for this.

Microprocessor Controller for DOAS 1

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Table of Contents

Sequence of Operation . . . . . . . . . . . . . 3-7

Controller Overview . . . . . . . . . . . . . . .8-11

Display Use . . . . . . . . . . . . . . . . . . . . . 12

Parameter Adjustment . . . . . . . . . . . . . . . 12

Web User Interface . . . . . . . . . . . . . . . . . 13

Main Menu . . . . . . . . . . . . . . . . . . . . . 14

Unit Status Overview . . . . . . . . . . . . . . 15-18

Unit Enable . . . . . . . . . . . . . . . . . . . . . 19

Menu

Control Variables

Temp Control . . . . . . . . . . . . . . . . 19-21

Dehumidification . . . . . . . . . . . . . . 22-23

Refrigeration. . . . . . . . . . . . . . . . . . . 24

Damper Control . . . . . . . . . . . . . . . 24-25

Energy Recovery . . . . . . . . . . . . . . . . 26

Fan Control . . . . . . . . . . . . . . . . . 27-28

Occupancy . . . . . . . . . . . . . . . . . . . 29

Advanced . . . . . . . . . . . . . . . . . . 30-36

Alarms . . . . . . . . . . . . . . . . . . . . . . 37

Appendix

A: Remote Display . . . . . . . . . . . . . . . . .38

B: I/O Expansion Board Quick Start. . . . . . . .39

C: Space Thermostat Quick Start . . . . . . . 40-41

D: GreenTrol ® Airflow Monitoring Quick Start . . . 42

E: Points List . . . . . . . . . . . . . . . . . . 43-54

F: Modbus Connections . . . . . . . . . . . . . .55

Our Commitment . . . . . . . . . . . . . Backcover

2 Microprocessor Controller for DOAS

®

The microprocessor controller can be configured for air handler, energy recovery, and dedicated outdoor air systems. Each application utilizes similar technologies for heating and cooling: chilled water, hot water, indirect gas, electric heat, and packaged or split DX cooling. All set points, lockouts and delays are user adjustable via the integral keypad display, remote display, or web user interface.

General Operation

Sequence of Operation

UNIT START COMMAND: The microprocessor controller requires a digital input to enable operation.

The unit can then be commanded on or off by this digital input, keypad, the BMS or schedule. When a start command becomes active the following steps occur:

• Energy recovery wheel starts, if equipped

• Factory mounted and wired dampers are powered

(Outside air, exhaust air, and recirculation air dampers, if equipped)

• Exhaust fan, if equipped, starts after adjustable delay

• Supply fan starts after adjustable delay

• Tempering operation starts after adjustable delay

UNIT/SYSTEM DISABLED COMMAND:

The unit becomes disabled due to the following:

• The unit was disabled from the controller’s Unit

Enable screen.

• The unit enable digital input changes to the disabled state.

• The unit was disabled from the BMS.

• The remote start input is in the off position.

• The shutdown input is in the shutdown position.

• A system shutdown alarm was activated.

When disabled the following actions occur:

• The unit shuts down immediately; and

• Dampers spring-return to their off position.

OCCUPANCY: The microprocessor controller offers five modes of determining occupancy: digital input, occupancy schedule, BMS, always occupied, or always unoccupied. When in the unoccupied mode, the unit can be configured to shut down, or cycle on to maintain the unoccupied space set points. The unit can be temporarily overridden to the occupied mode via a digital input, keypad display, or space thermostat, if equipped.

UNIT STOP COMMAND: A shutdown occurs when there is not an occupied or unoccupied start command.

The following shutdown methods can occur.

Hard shutdown occurs under the following conditions:

• A user or the BMS disables the system, and the supply temperature is less than the soft shutdown enable set point.

• Occupancy is commanded to unoccupied while there is no unoccupied start command, and the supply temperature is less than the soft shutdown enable set point.

• Occupied Mode:

- Exhaust fan on, if equipped

- Supply fan on

- Energy Recovery Wheel Control (refer to

Energy Recovery Wheel section), if equipped

- Damper Control (refer to Outside Air and

Recirculated Air section), if equipped

- Heating (refer to Heating section)

- Cooling (refer to Cooling section)

When a hard shutdown occurs:

• The unit shuts down immediately.

• Dampers spring-return to their off position. Damper power is cut 30 sec. after the fans. This allows the fans to slow down prior to spring closing the dampers.

Soft shutdown occurs under the following conditions:

• A user or the BMS disables the system, and the supply temperature is greater than or equal to the soft shutdown enable set point.

• There is no unoccupied or occupied start command and the supply temperature is greater than or equal to the soft shutdown enable set point.

• Unoccupied Mode:

- Unit Off: Unit remains off when in unoccupied mode.

- Normal operation with unoccupied set points:

Unoccupied mode will operate as if in occupied mode but will utilize adjustable unoccupied set points.

º Exhaust fan on, if equipped

º Supply fan on

º Energy Recovery Wheel Control (refer to Energy Recovery Wheel section), if equipped

º Damper Control (refer to Outside Air and

Recirculated Air section), if equipped

º Heating (refer to Heating section)

º Cooling (refer to Cooling section)

The following occurs during a soft shutdown:

• Tempering outputs immediately revert back to their off value; while

• Dampers remain open and fans continue to run; until

– The supply air temperature falls below the soft shutdown enable set point minus 5.0°F; or

– The soft shutdown delay timer has expired.

- Recirculation with unoccupied set points :

Optional unoccupied mode when there is an unoccupied recirculation damper. The unit will continue to run, but in full recirculation.

º Supply fan on

º Recirculation air damper open

º OA damper closed

º Tempering operations begin


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- Night Setback: Unoccupied mode when there is space temperature and/or humidity sensor(s) connected to the controller. The unit will cycle on to maintain unoccupied space set points if there is a call for unoccupied heating, cooling or dehumidification.

º Exhaust fan off, if equipped

º Supply fan on

º Recirculation air damper open

º OA damper closed

º Tempering operations begin

• Morning Warm-Up/Cool Down: At the request to occupy the space, the unit will run using the warmup or cool down sequence until the occupied set point is achieved. The heating or cooling mode must not be locked out and the space temperature is below or above set point by the unoccupied hysteresis (5°F, adj). This optional sequence requires a space temperature sensor and is field-enabled.

The following steps occur during a morning warmup/cool down:

Set Point Control (Occupied)

- The dampers would be in full recirc if the damper if the damper actuators are not powered (adj) during occupied mode. Otherwise the following is true:

Supply air temperature set point can be configured as constant, or can be reset by either outside air temperature, or space temperature set point. If equipped with BMS communications, the user can also directly command the temperature set point, if equipped.

• Outside Air Temperature Reset Function: The controller will default to supply temperature reset based on OA temperature. The controller will monitor the OA temperature and reset the supply temperature set point based upon the OA reset function.

• Space temperature Reset: With a space temperature sensor, the controller will adjust the supply air temperature set point between the min

(55°F) and max (90°F), to satisfy the desired space temperature. The temperature set point can be adjusted locally at the microprocessor, the BMS or a space thermostat.

Set Point Control (Unoccupied)

• Outside air damper is open to minimum OAD position.

• Recirculation air damper is open at 100% minus

OAD position.

- Supply Fan is ON at 100%.

- Exhaust fan is OFF.

- In heating, controls to maintain the maximum supply set point (90ºF).

- In cooling, controls to the minimum supply set point (50ºF).

- Reheat off.

- Energy recovery wheel off.

Heating

The heating is controlled to maintain the supply temperature set point. The heating will be locked out when the outside air temperature is above the heating lockout (80°F adj).

• Indirect Gas Furnace: Microprocessor controller will modulate the indirect gas furnace to maintain the supply temperature set point.

When equipped with an unoccupied recirculation damper and optional space temperature and/or humidity sensors, the unit will cycle on to maintain the unoccupied space set points.

• Unoccupied Heating: If equipped with heating, the unit is enabled when the space temperature is less than the unoccupied heating set point minus differential (60°F). The supply air temperature set point will be set to the supply max reset limit (90°F).

The unit cycles off when the space temperature reaches the unoccupied heating set point.

• Hot Water Coil: Microprocessor controller will modulate a hot water valve (provided by others) to maintain the supply temperature set point.

Coil freeze protection must be provided by others in the field!

• Electric Heater: Microprocessor controller will modulate an electric heater to maintain the supply temperature set point.

• Unoccupied Cooling: If equipped with cooling, the unit is enabled when the space temperature is greater than the unoccupied cooling set point plus differential (80°F+5°F). The supply air temperature set point will be set to the supply min reset limit (55°F).

The unit cycles off when the space temperature reaches the unoccupied cooling set point.

Cooling

The cooling is controlled to maintain the supply temperature set point. The cooling will be locked out when the outside air temperature is below the cooling lockout (55°F).

• Unoccupied Dehumidification: If equipped with cooling, the unit is enabled when the space relative humidity exceeds the unoccupied space relative humidity set point plus differential (50%+5%). The supply air temperature set point will be set to the equivalent occupied supply set point.

• Chilled Water: Microprocessor controller will modulate a chilled water valve (provided by others) to maintain supply air set point. Coil freeze protection must be provided by others in the field!


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• Mechanical Cooling: Microprocessor controller enables stages of cooling to maintain the supply air setpoint. When a modulating compressor is installed

(Digital or Inverter Scroll), the compressor modulates to maintain the supply air setpoint. Mechanical cooling is available in the following configurations:

Initiation: One of the following must be true for a defrost cycle to initiate:

- The saturated suction temperature is less than

-15ºF; or

- The saturated suction temperature is less than ambient conditions (temp/dewpoint) minus an offset (35ºF/25ºF).

- Packaged DX: Unit with compressors and condensing section located within the same unit.

This unit may have lead standard, lead digital scroll, or lead inverter scroll compressors.

Termination: The defrost cycle is terminated when one of the following occur:

- Split DX: Unit with compressors located in the unit and utilizes a remote condenser section.

This type of unit may have lead standard, or lead digital scroll compressors.

- The saturated discharge temperatures of all refrigerant circuits are greater than the cancel defrost set point (80ºF); or

- The max defrost time (5 min) has been exceeded.

Air Source Heat Pump

When a unit is configured as an ASHP, compressors are used for cooling and heat pump heating. A reversing valve is energized when the unit is in heating mode to reverse the flow of the refrigerant. The ASHP is only available as a packaged unit with an inverter scroll as the lead compressor.

• Outside Coil Fan Control: Refrigerant pressure control with outside coil fans will have lead EC fans and utilize refrigerant transducers to stage fans on and off in cooling and heating. The following sequences are based on the current mode of operation:

• Cooling: Mechanical cooling operates the same as any other unit with compressors by controlling the compressors to maintain the supply air temperature set point in cooling mode and to maintain the cooling coil temperature in dehumidification mode.

- Cooling/Dehumidification: The lead outside fan turns on with the first compressor and holds for a min of 30 seconds based on the OA temperature.

The lead fan modulates to maintain the refrigerant pressure control set point for cooling mode. Each additional outside fan stage turns on based on the saturated temperature reaching set point plus an offset and turns off when the temperature falls below set point after a delay.

• Heat Pump Heating : When heat is required, the reversing valve is switched, and the compressors are staged to maintain the supply air temperature set point.

• Heat Pump Heating Lockout: Heat pump heating may be locked out for any of the following reasons:

- Defrost is initiated 3 times in one hour.

- Supply Air temperature is 5ºF below set point for more than 10 minutes and secondary heat is available as backup only.

- Heating: The lead outside fan turns on with the first compressor. The lead fan modulates to maintain the refrigerant pressure control set point for heating mode. Each additional outside fan stage turns on based on the saturated temperature being below set point minus an offset and turns off when the temperature rises above set point after a delay.

- Outside ambient temperature is below the HP ambient lockout set point(10ºF).

• Resetting HP Heating Lockout : One of the following conditions must occur to return to HP heating:

- The outside temperature increases by 5ºF.

- The outside humidity decreases by 20%RH, if humidity sensor is installed.

- The unit has been locked out for more than 2 hours when a humidity sensor is not installed and not locked out on low ambient condition.

• Defrost: Periodically, the ASHP need to initiate a defrost cycle to remove accumulated frost from the outside coil when operating in heating mode. The saturated suction temperature, the outside ambient temperature and/or the outside humidity determine when a defrost initiates and terminates.

- Defrost: When defrost is initiated, the outside fans turn off allowing the heat to build and defrost the outside coil. When defrost is terminated, the outside fans turn on to bring the pressure down before switching back to heating mode.

• Secondary Heat: A secondary heating device may be installed in the unit. This device may be electric heat, gas furnace, or a hot water coil. The following sequences are available for secondary heat:

- Backup : Secondary heat only operates when heat pump heating is not available.

- Supplemental : Secondary heat will operate simultaneously with heat pump heating when the compressors are not producing enough heat to stay within 2ºF of set point.


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Economizer


If the application requires cooling, and the OA conditions are suitable for free cooling, the controller will enter economizer mode. If the unit is economizing and the discharge temperature set point is not being met, the controller will bring on mechanical cooling.

If equipped with a modulating OA and recirculated air damper, the dampers will modulate between the min OA and max positions to maintain the supply temperature set point. If equipped with an energy wheel, Reference Energy Recovery Wheel Sequence.

and balance of the unit. If equipped with BMS communications, the user can also directly command the supply fan speed. The following sequences are selectable for supply fan control. The fan speed in constrained by its min and max speed set points.

• Supply fan operates at a constant speed based on a constant volume set point based on occupancy.

• The supply fan is enabled by the unit controller. An external fieldsupplied 0-10 VDC signal to the fan’s VFD is responsible for modulating the supply fan’s speed.

The signal is linear and the speed is at min when 0V is present and at max when 10V is present.

• Temperature: The economizer will be locked out when:

- The outside air is greater than the economizer high lockout (65°F).

- The unit is operating in dehumidification mode.

- There is a call for heating.

• CO

2

Control: The supply fan modulates to maintain

CO

2

set point based on a sensor located in the space or return duct. A CO

2

sensor or BMS communicated value is required for this sequence.

• Temperature/Enthalpy: The economizer will be locked out when:

- The outside air is greater than the economizer high lockout (65°F dry-bulb).

- The outside air is greater than the economizer high enthalpy lockout (23 btu/lb).

- The unit is operating in dehumidification mode.

- There is a call for heating.

Dehumidification

• Duct Static Pressure Sensor: The supply fan modulates to maintain an adjustable duct static set point based on a sensor located in the supply duct. A static pressure sensor or BMS communicated value in required for this sequence.

• Space Static Pressure: The supply fan modulates to maintain a space static pressure set point based on a sensor located in the space. A space static pressure sensor or BMS communicated value in required for this sequence.

The cooling is controlled to maintain the cold coil set point. Dehumidification is enabled when the OA temperature is greater than the cold coil set point plus an offset (adj. 10ºF). Dehumidification is disabled when the OA temperature falls below the enable point by a hysteresis (2ºF). If equipped with BMS communications, the user can also directly set the cold coil leaving air set point.

• Optional Room Relative Humidity Sensor or

Thermostat: The controller will adjust the cold coil leaving air temperature set point between the min

(50°F) and max (55°F) set point to satisfy the desired space relative humidity set point.

• Single Zone VAV : The controller will control the supply air temperature and supply fan speed in order to maintain the space temperature.

Heating Mode The supply temperature set point will be increased before increasing the supply fan speed in order to maintain the space temperature set point. If the calculated supply temperature set point is greater than the current space temperature, the supply fan speed will be increased while the supply temperature set point is increased.

Cooling Mode The supply temperature set point will be decreased before increasing the supply fan speed in order to maintain the pace temperature set point.

Reheat

While the unit is dehumidifying, the supply air temperature is maintained by controlling the reheat device to the supply air set point.

• Hot Gas Reheat (valve): The microprocessor controller modulates to maintain set point.

• The microprocessor controller can be configured to use the primary heat source as secondary reheat.

Supply Fan VFD Sequence

The factory installed VFD is wired to the controller.

Supply fan speed needs to be set during test

Exhaust Fan VFD Sequence

The factory installed VFD is wired to the controller.

Exhaust fan speed needs to be set during test and balance of the unit. If equipped with BMS communications, the user can also directly command the exhaust fan speed. The following sequences are selectable for exhaust fan control. The fan speed constrained by its min and max speed set points.

• Exhaust fan operates at a constant speed based on a constant volume set point based on occupancy.

• The exhaust fan is enabled by the unit controller. An external field-


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Sequence of Operation supplied 0-10 VDC signal to the fan’s VFD is responsible for modulating the supply fan’s speed.

The signal is linear and the speed is at min when 0V is present and at max when 10V is present.

• Space Static Pressure: The exhaust fan modulates to maintain a space static pressure set point based on a sensor located in the space. A space static pressure sensor or BMS communicated value in required for this sequence. modulates wheel speed to maintain the supply temperature set point.

• Energy Wheel Bypass Dampers, if equipped:

During normal operation, the dampers shall remain closed to allow full operation of the energy wheel.

During economizer sequences, the dampers will be open to bypass the energy wheel.

• Supply Fan Tracking: The exhaust fan proportionally modulates based on the supply fan speed plus an adjustable offset.

• Outside Air Damper Tracking: The exhaust fan proportionally modulates based on the outdoor air damper modulation. (This sequence requires a modulating outdoor air damper.)

Frost Control: The microprocessor controller will activate the frost control method when the OA temperature is less than the defrost set point (5°F) and the wheel pressure switch is closed due to a high wheel pressure drop. Once the pressure drop decreases below the pressure switch point or the OA temperature increases, the unit will resume normal operation.

• Electric Preheater: When frosting is occurring, the preheater is energized to defrost the wheel.

Outside Air and Recirculated (Recirc) Air

Damper Control

If equipped with a modulating OA and recirculated air damper, the recirculated air damper will operate inverse of the OA damper. The OA damper opens to its min position. If the controller is configured to modulate the supply fan speed, the min and max OA positions can be reset based on supply fan speed. If equipped with

BMS communications, the BMS can directly control the outside damper position. The damper position is constrained by its min and max set point positions.

• CO

2

Control: The controller will proportionally modulate the OA/RA dampers based upon a comparison of the CO

2

set point to the actual CO level reported from the sensor. As the CO

2 the controller will proportionally modulate the OA

2

level rises, damper open, between the min OA damper position and max CO

2

position.

• Space Static Pressure: The OA/RA dampers will modulate based upon the signal from a building static pressure sensor. The controller will modulate the dampers, between the min and max OA positions, based upon a comparison of the building static pressure set point to the actual building static pressure level reported from the sensor.

Energy Recovery Wheel Sequences

Economizer: If the unit is equipped with an energy recovery wheel, the economizer will modulate/stop the energy wheel to achieve free cooling.

• Stop Wheel: When economizer mode is enabled and there is a call for cooling, the wheel will stop rotating to allow free cooling. Jog wheel control is available during stop wheel economizer operation. This sequence allows the wheel to rotate for a short period of time exposing a new section to the air stream.

• Modulate Wheel: When economizer mode is enabled and there is a call for cooling, the controller

• Modulate Wheel: When frosting is occurring, the wheel slows to allow defrosting to occur.

• Cycle Wheel: When frosting is occurring, the energy wheel is cycled off for a defrost cycle time

(5 minutes). After the defrost cycle time, the wheel is re-energized to continue normal operation. The controller will not allow another defrost cycle for a min normal operating cycle time (30 minutes).

• Timed Exhaust: When frosting is occurring, the supply fan is cycled off along with the tempering for a defrost cycle time (5 minutes). The exhaust fan will continue to run allowing the warm exhaust air to defrost the wheel. After the defrost cycle time, the supply fan and tempering are re-energized to continue normal operation. The controller will not allow another defrost cycle for a min normal operating cycle time (30 minutes).

Alarms

The microprocessor controller includes a digital output for remote indication of an alarm condition, which connects via the J15 port. Alarms include:

• Dirty Filter Alarm: If the outside air or return air filter differential pressure rises above the differential pressure switch set point, the microprocessor controller will activate an alarm.

• Supply and Exhaust Air Proving Alarm:

Microprocessor controller monitors proving switch on each blower and displays an alarm in case of blower failure.

• Sensor Alarm: Microprocessor controller will send an alarm if a failed sensor is detected (temperature, pressure, relative humidity).

• Supply Air Low Limit: If the supply air temperature drops below the supply air low limit (35°F), the controller disables the unit and activate the alarm output after a preset time delay (300 sec.).

• Other Alarms: Wheel Rotation, High Wheel Pressure,

High/Low Refrigerant Pressure.


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24VAC to Controller

Room RH

CO2 Sensor

After Cold Coil Temperature Sensor

Sensor U1, U2, U3 Common

Supply Discharge Temperature Sensor

Outdoor Air Temperature Sensor

G

G0

+V term

GND

+5 V

REF

U1

U2

U3

GND

+VDC

U4

GND

U5

GND

24VAC for Analog Outputs

Outdoor Air Damper Analog Output

Heating Analog Output

Cooling/VSC Cond Fan Analog Output

Hot Gas Reheat Analog Output

Supply Fan Proving

Wheel Pressure Limit

Wheel Rotation Alarm

Unit On/Off Input

Exhaust Fan Proving

Occupied/Unoccupied Input

Dirty Filter Input

Outdoor Relative Humidity Sensor

Building Pressure Sensor

Duct Pressure Sensor

Compressor Limit Circuit A

Compressor Limit Circuit B

Compressor Limit Circuit C

Compressor Limit Circuit D

Supply Fan VFD Output

Exhaust Fan VFD Output

Room Temperature Sensor

Discharge Pressure Circuit B (VSC)

2 Speed Fan Input

2 Position Damper Input

ID13H

ID13

IDC13

ID14

ID14H

U6

U7

U8

GND

ID9

ID10

ID11

ID12

IDC9

VG

VG0

Y1

Y2

Y3

Y4

ID4

ID5

ID6

ID1

ID2

ID3

ID7

ID8

IDC1

ID15H

ID15

IDC15

ID16

ID16H

Y5

Y6

U9

GND

U10

GND

ID17

ID18

IDC17

Large Controller Overview

Remote Display

• Six conductor RJ25 cable

• Connects to J10

Optional BACnet IP, Modbus TCP, Web UI, Ethernet Connections

NO14

C14

NC14

NO15

C15

NC15

C16

NO16

NO17

NO18

C16

NO12

C12

NC12

NO13

C13

NC13

C9

NO9

NO10

NO11

C9

C7

NO7

C7

NO8

C8

NC8

C4

NO4

NO5

NO6

C4

C1

NO1

NO2

NO3

C1

24 VAC When Unit On

Wheel Frost Mode

Supply Fan Enable

Exhaust Fan Enable

24 VAC from Supply Fan Proving

Heating Enable

Staged Compressor 1

Staged Compressor 2

24 VAC

Economizer Mode/Output to Dampers

Alarm Dry Contact

Staged Compressor 3

Staged Compressor 4

Compressor Fan 1 Enable (VSC)

Energy Recovery Wheel Enable

Condenser Fan

Inverter Compressor E-Stop (VSC)

Heat Pump Reversing Valve Output

Optional LonWorks cards are located in BMS Card port.

Optional Modbus RTU/BACnet MSTP connections are made to the J25 BMS2 terminal.


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24VAC to Controller

Refrigerant Pressure Circuit A

Refrigerant Pressure Circuit B

Supply Discharge Air Temperature

Sensor B1, B2, B3 Commons

After Cold Coil Temperature Sensor

Outdoor Air Temperature Sensor

G

G0

+V term

GND

+5 V REF

+VDC

U4

GND

U5

GND

U1

U2

U3

GND

24VAC for Analog Outputs

Cooling Analog Output

Condenser Fan Circuit A or Heating Analog Output

Hot Gas Reheat Analog Output

Condenser Fan Circuit B or Heating Analog Output

Supply Fan Proving

High Pressure Switch Circuit A

Low Pressure Switch Circuit A

Occupied/Unoccupied Input

OA/RA Damper End Switch

Unit On/Off Input

High Pressure Switch Circuit B

Low Pressure Switch Circuit B

Outdoor Relative Humidity Sensor

Outdoor Air Damper Output

Supply Fan VFD Output

Exhaust Fan Proving

Dirty Filter Input


Freeze Stat Input

Condensate Drain Pan Switch

Remote Start Input

U6

U7

U8

GND

ID9

ID10

ID11

ID12

IDC9

ID13H

ID13

IDC13

ID14

ID14H

ID2

ID3

ID4

Y3

Y4

ID1

VG

VG0

Y1

Y2

ID5

ID6

ID7

ID8

IDC1

Medium Controller Overview

Remote Display

• Six conductor RJ25 cable

• Connects to J10

Optional BACnet IP, Modbus TCP, Web UI, Ethernet Connections

C7

NO7

C7

NO8

C8

NC8

C4

NO4

NO5

NO6

C4

C1

NO1

NO2

NO3

C1

24 VAC When Unit On

Staged Compressor 1

Staged Compressor 2

Staged Compressor 3

24 VAC from Supply Fan Proving

Staged Compressor 4

Supply Fan Start

Exhaust Fan Start

24 VAC

Damper Actuator Power

Alarm Dry Contact

NO12

C12

NC12

NO13

C13

NC13

C9

NO9

NO10

NO11

C9

Condenser Fan Ramp 1 - Stage 2 Start



Inverter Compressor E-Stop (VSC)


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Optional LonWorks cards are located in BMS Card port.

Optional Modbus RTU/BACnet MSTP connections are made to the J25BMS2 terminal.


c.pCOe - Expansion Board Overview, Medium Controller Arrangement

24 VAC Power

Heating Output

Exhaust Fan VFD Output

Energy Recovery Output

Space Temperature

Mixed Air Temperature

Exhaust Air Temperature

Space Humidity

Space Static Pressure

Supply Air Duct Static Pressure

Space Set Point Adjustment

Wheel Enable

Furnace Heating Stage 1

Furnace Heating Stage 2

Preheater Enable

The expansion board is an I/O module than can be used to monitor additional statuses or provide commands from medium board controller.


®

24 VAC to Controller

Main Gas Valve

Ignition Controller Alarm

Low Speed Pressure Switch

24 VAC for Analog Outputs

Modulating Gas Valve

Modbus Connection pCOe - 4:1 Furnace Overview

High Speed Pressure Switch

Modbus Address Switches

Ignition Controller

24 VAC

High Speed Fan

24 VAC

24 VAC to Controller

Main Gas Valve - Small Manifold

Main Gas Valve - Large Manifold

Ignition Controller Alarm

24 VAC for Analog Outputs

Modulating Gas Valve

Modbus Connection pCOe - High Turndown Furnace

Low Speed Pressure Switch High Speed Pressure Switch

Ignition Controller - Small Manifold

24 VAC

High Speed Fan

24 VAC

Ignition Controller - Large Manifold

24 VAC

Modbus Address Switches


®

Display Use

The microprocessor controller is located in the unit control center. The face of the controller has six buttons, allowing the user to view unit conditions and alter parameters. The microprocessor controller is pre-programmed with easy to use menus. A remote display is also available, which connects via the J10 port with six wire patch.

Button Description

Main Menu

Alarm

Escape

Up

Enter

Down

Keypad Description

Functions

Press to go directly to the Main Menu from any screen.

From the Main Menu, navigate to the following screens:

• Unit Enable

• Unit Status

• Ctrl Variables

• Alarm Menu

The Alarm button flashes when there is an active alarm.

Press to view alarms.

Press twice to go to the alarms reset screen.

Press from the Main Menu to view the Unit Status screen.

Press to go back one menu level.

Press to navigate through the menus/screens.

Press after entering a variable to increase a current value.

Press to enter a highlighted menu or screen item.

Press to enter a writable variable and press again to confirm the new variable value.

Press to navigate menus/screens.

Press after entering a variable to decrease the current value.

Unit display on web interface only.

These two buttons on the virtual keypad/display are used to simulate two-button actions on the handheld keypad/display.

To simulate pressing two buttons simultaneously:

1. Click on 2-Button Click.

2. Then, sequentially click on two keypad buttons (Main, Alarm, Escape, Up, Enter, Down).

To simulate pressing and holding two buttons simultaneously:

1. Click on 2-Button Hold.

2. Then, sequentially click on two keypad buttons (Main, Alarm, Escape, Up, Enter, Down).

Parameter Adjustment

The cursor always begins in the upper left corner of the display and will be blinking. Press the button to move the cursor down for parameter adjustment.

Supply air low limit

Alarm when supply is below: 35.0º F

Alarm delay: 300s



Alarm delay: 300s

Once the cursor has reached the desired parameter, press the adjust the value.

buttons to



Alarm delay: 300s

When satisfied with the adjustment, press the button to save the parameter.

When finished, make certain the cursor is in the upper left corner. If the cursor is not in the upper left corner, the changes will not be saved. The cursor must be in the upper left corner to enable screen advancement.


®

Web User Interface

The Web User Interface allows access to the unit controller through the building network. Reference Ctrl Variables/

Advanced/Network Settings to set the IP network protocol. Once proper communication is established, the user can click on the follow tabs:

Overview – Includes a functioning unit graphic, monitoring points, and active set point adjustment.

Alarms – Shows current and cleared alarms.

Trending – User can view past and present controller points.

Information – Provides manufacturer support information as well as IOM resources.

Service – User must be logged with service access criteria (9998). Once proper login is established, the user can view configured input/output points associated with the unit controller

Pop-Up Tools

Live Trend - User can see current values from the controller. The list of variables available is preselected based on the configuration of the unit.

Unit Display - Mimics the unit controller display. Allows the user full access to the controller without having to physically be at the unit.

Dewpoint Calculator - A calculator with three sliders to determine the dew point, temperature, or humidity. Two of the three values are necessary to get the third.

Upgrade Application - A new application program can be loaded to the controller via the WebUI.

Unit Display


®


Logged in with Service, red boxes will appear after logging in.


Unit Enable Main Status

Unit Status

Input Output Status

Note:

Additional status screens are displayed depending on unit configuration.

Screens may include, but are not limited to:

Occupancy

Damper positions

Fan status

Airflow

Set Points

Economizer

Energy recovery

Cooling

Circuit pressure

Heating

Dehumidification

Static pressure

Main Menu Navigation

Temp Control

Dehumidification

Ctrl Variables

Refrigeration

Compressor Control

Pressure Control

Heat Pump Control

Damper Control

Energy Recovery

Fan Control

Supply Fan Control

Exhaust Fan Control

Occupancy

Advanced

Note:

The Advanced menu is readonly. The service password is required to change these settings.

Reference the

Advanced menu section for more information.

*Consult factory for more information.

Login

Manual Overrides

Adv. Set Points*

PID Tuning*

Network Settings

Backup/Restore

IO Status/Offset*

IO Config

Unit Config*

Service Config

Factory Config

Unit Settings*

Service Info*

Alarm

Management

Shutdown

Alarms

General

Alarms

Alarm Menu

Alarm History

Active Alarms

Reset History

Clear History

Export History


®

Unit Status Overview

The microprocessor controller will revert to a default main menu loop. This loop includes several screens to view the operating conditions of the unit. Scroll through the menu screens by using the buttons.

T he iniTial menu screen displays The job name

, uniT Tag

, uniT sTaTus

, ouTside air condiTions , space condiTions and seT poinTs .

Possible modes include:

• Off/Standby

• Unoccupied Start

• Dampers Open

• Fan Start Delay

• Fans Starting

• Startup Delay

• System On

• Soft Shutdown

• System Disabled

• Remote Off

• Shutdown Alarm

• Fans Only

• Economizing

• Cooling

• Dehumidifying

• Heating

• HGRH Purging

• Defrost Active

• Overrides Active

• Expansion Offline

Symbol

Unit Status Screen Symbols

Indicates

Supply air fan status.

Rotation indicates airflow; static blades indicate no airflow.

Cooling

Heating

Dehumidifying

Economizing

Defrost i npuT o uTpuT s TaTus

Displays real time conditions from sensors located in the unit and building space if equipped with space mounted sensors. Controller output conditions can also be viewed from this screen. To view the desired input/output point, the user must select the desired channel. Reference the Controller Overview section in this manual for individual point locations.

o ccupancy s TaTus

Displays current status of occupancy and the configured occupancy control method and time zone.

d amper

c ommanded

p os

This screen appears if equipped with modulating OA and recirculated air dampers. Displays current position of the OA damper. s upply

F an

s

TaTus

This screen displays the fan enable command, fan proving status, and the supply fan ramp being sent from the controller to the VFD. The min and max speeds are set in the VFD (Reference unit Installation and Operation Manual for VFD programming). The controller can modulate the fan between the min and max speeds via an analog output.


®

Unit Status Overview e xhausT

F an

s

TaTus

This screen displays the fan enable command, fan proving status, and the exhaust fan ramp being sent from the controller to the VFD. The min and max speeds are set in the VFD (Reference unit Installation and Operation Manual for

VFD programming). The controller can modulate the fan between the min and max speeds via an analog output.

a irFlow s TaTus

This screen displays the current status of airflow volumes if the unit is provided with airflow monitoring.

a mbienT

l ockouT

s

TaTus

Displays heating and cooling lockout status based on the outside air ambient temperature. Ambient lockouts for heating and cooling can be altered by entering

Main Menu/Ctrl Variables/Temp Control/Cooling or Heating.

o uTside r eseT

This screen will be active if the controller is configured for outside air reset. The heating and cooling devices modulate to maintain the supply air temperature set point as determined by the outside reset calculation.

a cTive

r eseT

This screen will be active if temperature control mode is set for space or return air reset. The supply temperature set point is calculated based on the active set point and the current space or return temperature. The calculated set point is scaled between the supply temperature min and max set points determined by the current mode of operation.

s upply s eT p oinT

This screen is active when supply temp control is selected or the active mode of control. Displays current supply temperature and supply temperature set point to be achieved.

e conomizer

r amp

The economizer ramp screen will be active if the unit is configured for economizer control. This screen displays the economizer set point, supply air discharge temperature, economizer ramp status, and economizer control mode. Economizer control mode options include, outside dry bulb, outside enthalpy, comparative dry bulb, and comparative enthalpy.

CO

2

r amp

o uTpuT

The CO

2

Ramp Output screen will be active if the unit is configured for CO

2 control. This screen displays the CO status of the control ramp.

2

set point, CO

2

level from the space, and the e nergy

r ecovery

w heel

s

TaTus

This screen provides overall status of the energy recovery wheel.


®

®

Unit Status Overview d eFrosT r amp o uTpuT

This screen only appears if the unit has an energy recovery wheel and a frost control method was provided on the unit.

Upon sensing a high differential pressure across the energy wheel, the unit will go into defrost if the outside air temperature is below the defrost temperature set point. c ooling

r amp

1

This screen displays the active set point, supply discharge temperature, cooling enable/disable, cooling ramp being sent from the controller, and the overall capacity being demanded. h eaT p ump h eaTing r amp

The Heat Pump Heating Ramp status screen is active when the unit is configured as a heat pump. The screen displays the active set point, supply temperature, status of the heat pump heating control ramp, the current ramp percentage, and the current capacity of the operating compressors.

c ompressor

r equesT

The compressor request screen will be active if the unit is equipped with DX cooling. This screen displays overall status of individual compressor operation being sent from the unit controller. Example: Circuit A compressor enable (On) with modulating value of 26%.

e x v s TaTus

The ExV Status screen is active when the unit is equipped with an inverter scroll compressor and electronic expansion valve (ExV). The screen displays information from the EVD (electronic valve driver) including the number of steps

(stp) of the valve, the open percentage of the valve, the EVD control status, the suction superheat, the suction temperature, the suction pressure, and the saturated suction temperature. The second status screen also displays the capacity of the circuit the valve is installed on and the discharge refrigerant temperature for that circuit.

i nverTer

c ompressor

s

TaTus

The inverter compressor screen is active when an inverter scroll compressor is installed in the unit. This screen displays information about the operation of the inverter scroll starting with the requested capacity of the compressor compared to its actual operating capacity. The requested capacity and the actual could be different at startup and depending on where it is in the operating envelope.

The status of the compressor, current envelope zone and current refrigerant temperatures and pressures are also displayed.

c ondenser F an s TaTus

The pressure control status screen is active when a unit is equipped with active head pressure control, this is currently available only with inverter scroll compressors. This screen provides information regarding the outside fan ramp status, circuits affected by the ramp, the status of the fans, and the set point, offset and current saturated temperature.


r eFrigeranT

c ircuiT

s

TaTus

The refrigerant circuit status screen is active when the unit is equipped with active head pressure control. This screen provides temperatures and pressures for suction, discharge, and liquid line sensors when installed. Superheat is also displayed when suction temperature and pressure sensors are installed.

h eaTing

r amp

This screen displays the active set point, supply air temperature, status of the heating control ramp, and heating ramp being sent from the controller.

d ehumidiFicaTion

This screen will display the overall dehumidification status and selected dehumidification control mode.

The following dehumidification modes are available when the space is in occupied mode:

• Cold coil set point plus offset (10ºF)

• Inside RH*

• Inside dew point*

• Outside dew point

• Inside RH or inside dew point*

• Inside RH or inside dew point or outside dew point

• Inside RH and inside dew point*

• Inside RH and inside dew point or outside dew point

*Available during unoccupied mode.

hgrh r amp

This screen will display the status of the hot gas reheat ramp. The screen includes the active set point, supply air discharge temperature, the ramp status, and hot gas reheat valve request being sent from the controller. s upply s pace s TaTic

This screen displays status points if the unit is configured for space static pressure control. Status points include controller output ramp, static pressure in the space, and the space static pressure set point. Similar status screen will appear for the exhaust fan if the unit is configured for exhaust fan space static control.

s upply

/r eTurn

d ucT

s

TaTic

This screen displays status points if the unit is configured for duct static pressure control. Status points include controller output ramp, static pressure in the duct, and the duct static pressure set point. Similar status screen will appear for the exhaust fan if the unit is configured for exhaust fan duct static control.

c ondiTions

The condition screens are active when both temperature and humidity sensors for the location are installed in the unit. The enthalpy and dew point are calculated based on the temperature and humidity readings. The unit altitude is used for the enthalpy calculation.


®

Menu

The controller is equipped with several menus to help guide users with altering program parameters. The following menus can be accessed by pressing the button. To enter the desired menu, press the button.

Unit Enable

The Unit Enable menu allows the user to enable and disable the unit through the controller. Reference sequence of operation for additional unit starts/stop details.

The unit ships from the factory in a disabled state. To allow the unit to operate, the controller must receive a run command from digital input ID4. Jumper unit terminals R - G to allow the unit to operate.

Change to (Enabled/Disabled): Enables user to manually turn unit on/off via display. Unit terminal G must have 24 VAC power to enable the unit.

Control Variables

Control Variables

Temp Control

The Control Variables menu allows the user to view and adjust unit control parameters.

The Temperature Control menu allows the user to view and adjust temperature control conditions of the unit.

m eThod For

T emperaTure

c onTrol

Set Point Selections:

Supply Temp Control – The supply discharge set point is a constant value (e.g.

72°F). Reference Temperature Set point screen for set point adjustment.

Space Reset – The controller will reset the supply air temperature set point to maintain the space temperature set point (requires space temp sensor). Reference the Temperature Set point screen for space set point adjustment.

Return Reset – The controller will reset the supply air temperature set point to maintain the return air temperature set point (requires duct mounted return air temp sensor). Reference the Temperature Set point screen for return air set point adjustment.

OA Reset – The controller monitors the OA temperature and adjusts the desired supply temperature set point accordingly. For example, when the OA is below

55°F, the controller will change the supply set point to 70°F. If the OA is above

65°F, the controller will change the supply set point to 55°F. If the OA temperature is between 55°F and 65°F, the supply set point changes according to the OA reset function. A visual representation of the OA reset function is shown below.

Reference Outside Set points for min and max outside air limits.

Outdoor Air Reset Function

75°

70°

65°

60°

55°

50°

45°

50° 55° 60°

Outside Air Temperature (°F)

65° 70°


®

Menu

T emperaTure

s eT

p oinT

This screen only appears if supply temp control, space reset, or return reset is selected as the reset control mode.


Local – The space set point will be constant; set from screen (e.g. 72°F).

BMS – The BMS can directly control the space temperature set point (requires

BMS communication option).

T-Stat – The space set point will be adjustable from the space thermostat.

Reference Appendix: Room Thermostat Quick Start for additional information.

h eaT

c ool

d eadband

This screen only appears if space reset or return air reset is selected as the reset control mode. The heat cool deadband allows for separate cooling and heating set points when the reset control mode is set for space reset or return air reset. s upply s eT p oinTs

Cooling and heating supply set points screens only appear if outdoor reset, space reset, or return air reset is selected. These screens allow the user to set the min and max set point limits for cooling or heating operation. The controller will adjust the supply temperature set point between the set limits depending on mode of operation.

o uTside s eT p oinTs

This screen only appears if outside reset is selected as the reset control mode.

m ode s wiTch d isplay

This screen displays the delay time required before switching between heating and cooling mode. s TarTup d isplay

This screen displays the delay time after the fans have started and tempering begins


®

®

Menu c ooling

l ockouT

This screen displays the cooling lockout temperature. Cooling will be disabled when outside air is below the cooling lockout temperature (55ºF).

h eaTing

l ockouT

This screen displays the heating lockout temperature. Heating will be disabled when outside air is above the lockout temperature (80ºF) .

s pace

s eT

p oinTs during

u noccupied

m ode

The controller will have separate screens for unoccupied cooling and heating set points.

Unoccupied Cooling Example: If set point = 80ºF, unoccupied cooling is enabled when space equals 80ºF and above. Unoccupied cooling is disabled when space temperature is below 75ºF.

Unoccupied Heating Example: If set point = 60ºF, unoccupied heating is enabled when space temperature equals 60ºF and below. Unoccupied heating is disabled when space temperature is above 65ºF.

w inTer

r amp

The winter ramp function prevents the supply temperature from dropping below set point under the following conditions:

• Outside air temperature is below the winter ramp enable set point; and

• Heating capacity is at 100%

One of the following is used to perform the winter ramp function:

• Supply fan speed; or

• Outside air damper position

Note: If the unit is a heat pump, the supply fan is always used. m odbus

s pace

T-s

TaT

The quantity of thermostats installed in the space that communicate the temperature, humidity, and set point to the controller. The controller averages the temperature and humidity readings when there is more than one installed. See

Appendix C for more information.


Control Variables

Dehumidification

Menu

The Dehumidification menu allows the user to view and adjust dehumidification control parameters. d ehumidiFicaTion

m ode

- o ccupied

.

Possible Modes:

• Outside Air Temp is greater than cold coil set point plus offset (10ºF)

• Inside RH*

• Inside dew point*

• Outside dew point

• Inside RH or inside dew point*

• Inside RH or inside dew point or outside dew point

• Inside RH and inside dew point*

• Inside RH and inside dew point or outside dew point

*Available during unoccupied mode.

There must be a constant call for dehumidification for the duration of the enable delay for dehumidification mode to become enabled. The call remains active until conditions are satisfied and dehumidification mode has been active for the min active time. Reference Ctrl Variables/Advanced/Unit Config/Unit Configuration

Occupied Dehum Call for dehumidification method options. d ehumidiFicaTion m ode - u noccupied .

If the unit is unoccupied while there is a dehumidification call, the unit will start and dehumidify until the unoccupied dehumidification set points are satisfied.

The above dehumidification modes marked with an * indicate availability during unoccupied mode. The unoccupied dehumidification mode can be set differently than the occupied dehumidification mode. Reference Ctrl Variables/Advanced/

Unit Config/Unit Configuration Unoccupied Dehum Call for dehumidification method options.

d ehumidiFicaTion

h ysTeresis

This screen displays hysteresis for enabling dehumidification during occupied and unoccupied conditions.

%RH for indoor RH control and ºF for indoor dew point control. Example: If indoor RH set point = 50%, dehumidification is enabled when indoor RH equals 50% and above. Dehumidification is disabled when indoor RH is below 44%.

d ehumidiFicaTion

T imers

This screen allows adjustment for delay and min on time for dehumidification mode.

Times are in place to prevent short cycling between dehumidification and other control modes.

22 c old

c oil

s eT

p oinT

This screen displays the temperature set pints for the cooling coil.

This screen only appears if the unit is equipped with cooling. When in dehumidification mode, the cooling ramp maintains the cold coil set point by increasing or decreasing the amount of cooling provided from the cooling device installed. The calculated coil set point has a min and max set point that is based on the demand from the dehumidification ramp. When the demand is high, the temperature is low. If a constant temperature off the coil is desired during dehumidification, the min and max can be set to the same value. If a BMS is available, the set points can be adjusted over the BMS.

Microprocessor Controller for DOAS

®

® d ehumidiFicaTion

p rioriTy

The following priorities are used to determine what is more important in the unit: temperature over dehumidification or heating over dehumidification. Both priority selections determine when the unit is allowed to dehumidify.

1. Temperature over Dehumidification

Determines when the unit is allowed to dehumidify based on the space/return air temperatures.

a. Temperature - If temperature is set as the priority,box not checked, and the space or return air is over cooled, dehumidification is locked out until the space or return temperature is no longer overcooled.

b. Dehumidification - If the priority is dehumidification, box checked, and the space or return air is overcooled, the coil offset will be added to the coil leaving set point. (Default 0ºF offset).

c. Overcooled - If space or return reset is enabled, the target is considered over cooled when it is 4°F below set point for 5 minutes. It remains overcooled until the target is at set point and the over-cool logic has been active for a min of 5 minutes.

2. Heating over Dehumidification

Determines when the unit is allowed to dehumidify when heating is active.

a. Heating - If priority is set to heating, box in checked, the unit locks out dehumidification while heating is active.

b. Dehumidification - If priority is set to dehumidification, box is not checked, the unit is allowed to switch to dehumidification when heating is active.

c ompressor d ehumidiFicaTion F orce .

In dehumidification mode, the lead compressor will continue to run as long as the dehumidification mode sequence has been enabled in order to prevent compressor cycling and potential reevaporation of moisture. To disable this operation and allow the compressor to cycle in dehumidification mode, uncheck the applicable cooling ramps.


Control Variables

Refrigeration

Control Variables

Refrigeration

Compressor Control

Control Variables

Refrigeration

Pressure Control

Control Variables

Refrigeration

Heat Pump Control

Menu

The Refrigeration menu allows the user to view and adjust compressor and condenser settings, if equipped. c ompressor c onTrol

Consult factory prior to adjusting parameters in the compressor control menu.

p ressure c onTrol

Consult factory prior to adjusting parameters in the pressure control menu.

c ompressor c onTrol

Allows the user to adjust heat pump heating control set points. a ir -s ource h eaT p ump a mbienT l ockouT

The screen allows the user to adjust the minimum ambient temperature the compressors can be utilized for heating. When the outside air temperature drops below this temperature, heating with the compressors will not be allowed. h eaT

p ump

d eFrosT

Consult factory prior to adjusting set points related to heat pump defrost operation.

Control Variables

Damper Control

The Damper Control menu’s allows the user to adjust damper control set points. Economizer set point adjust will also be found at this location if the unit is equipped with outside air and recirculation dampers.

F an

d amper

d elay

This screen allows adjustment for delay time between damper opening and fan operation.

This timer allows the damper to open before the fan start sequence begins. This prevents the fans from having to overcome higher static pressure when the damper(s) are opening.

o uTside

d amper

p osiTion

This screen only appears if equipped with a modulating OA and recirculating damper. The screen displays the min and max positions for the outside air damper. These set points reflect the percentage of the outside air damper being opened.

0% = Full recirculation air

100% = Full OA

Minimum Position – When in the occupied mode, the active set point will be equal to a local min OA set point, which may be constant or reset by fan speed if equipped with a modulating supply fan.

The OA damper set point can then be further adjusted between the min and max OA settings with sequences such as DCV CO

2

Economizer.

, Building Pressure and


®

®

Menu

Maximum Position – Each sequence that can adjust the OA damper set point contains a max position to prevent excess OA. The active set point will be determined based on the greatest demand of the configured sequences. For example, if a unit is equipped with a DCV CO

2

and an economizer sequence, the OA damper set point will react to an economizer demand even if the CO

2 point is satisfied. Likewise, if economizer is not available but CO

2 point, the OA damper will open to satisfy the CO

2

set point.

set

is above set

Economizer – The active set point will be reset based on Economizer demand, between the min and max positions.


Local – The min OA percentage is constant; set by the controller.

SF Reset – The min and max positions are reset by the supply fan speed.

BMS – The BMS can directly control the OA damper position between the min ad max percentages.

Building Pressure – Damper position is reset by a building pressure control loop.

DCV CO

2

– Damper position is reset by a demand-controlled ventilation control loop based on space CO

2

levels. The CO

2 max is the highest percentage that the

OA damper can modulate when solely based on CO

2

.

2 Position – Damper position is reset to “2-Pos/Max Vent:” set point when a contact closure is made. The 2-position damper operation can be configured to temporarily force the unit into occupied mode until the contact is open

(Max Ventilation Mode - enabled in Advanced menu).

e conomizer c onTrol v ariables .

The economizer screen appears when economizer function is enabled.

The outside air damper will modulate between the min and max position to maintain the supply temperature set point.

The user can select the economizer control method from the following options:

Outside Dry Bulb – Economizing is allowed when the outside dry bulb is less than the economizer temperature enable set point.

Outside Enthalpy - Economizing is allowed when outside enthalpy is less than the economizer enthalpy set point.

Comparative Dry Bulb - Economizing is allowed when outside temperature is less than the space or return temperature.

Comparative Enthalpy - Economizing is allowed when outside enthalpy is less than the space or return enthalpy.


Menu e conomizer

s eTTings

There is a built-in hysteresis that disables economizer above the economizer set point.

(Example: If economizer uutside dry bulb = 65°F, economizer operation is disabled above 67°F).

e nergy

r educTion

o nly

c onTrol

.

If enabled, the OA damper and recirculation damper will not modulate during economizer. Instead, only the energy recovery wheel will be stopped to ensure no energy is transferred from the supply airstream and exhaust airstream.

Control Variables

Energy Recovery

The Energy Recovery menu allows the user to adjust energy recovery wheel sequence set points.

d eFrosT r amp

This screen displays the temperature at which the unit will enable frost control mode if necessary (factory default = 5ºF) This screen only appears if the unit has an energy recovery wheel and a frost control method was provided with the unit.

Upon sensing a high differential pressure across the energy wheel, the unit will enter defrost mode if the outside air temperature is below this temperature setting. Max active time and min off time will be available if the frost control method was provided as timed exhaust or cycle wheel.

e nergy

r ecovery

w heel

j og

F uncTion

This screen display the energy recovery wheel jog function. This screen only appears if the unit has an energy recovery wheel and stop wheel economizer method for control.

Momentarily enables the wheel in order to expose a new section to the airstream.


®

Control Variables

Fan Control

Supply Fan Control

Menu

The Supply Fan Control menu allows the user to adjust exhaust control set points s upply

F an

d elay

The supply fan delay will begin once the damper sequence is complete. This delay can be used to offset starting times between the supply fan and exhaust fan.

s upply

F an

s peed

This screen displays min and max supply fan speed percentages.

The speed set point is the proportional percentage of the analog output from the controller to the

VFD.

50% Speed = Min speed

100% Speed = Max speed


Constant Volume – The fan speed will be constant; set from screen (e.g. 100%).

BMS – The BMS can directly control the fan speed (requires BMS communication option).

Duct Pressure – Fan speed is determined by duct pressure control loop.

Space Pressure – Fan speed is determined by building pressure control loop.

CO

2

– Fan speed is determined by CO

2

control loop.

Single Zone VAV - The supply fan is modulated in addition to the supply air temperature to satisfy the space temperature set point.

2-Speed (High Speed Set Point) - Supply fan speed is reset to max speed when a contact closure is made. (Max Ventilation Mode).

s oFT s huTdown e nable c ondiTions

During a soft shutdown the following will occur:

• Tempering outputs immediately revert back to their off value; while

• Dampers remain open and fans continue to run; until

- The supply air temperature falls below the soft shutdown enable set point minus 5ºF; or

- The soft shutdown delay timer has expired.


®

Control Variables

Fan Control

Exhaust Fan Control

Menu

The Exhaust Fan Control menu allows the user to adjust exhaust control set points.

e xhausT F an d elay and e nable

This screen displays min and max exhaust fan speed percentages.

This screen displays the exhaust fan delay and enable based on OA damper position. The exhaust fan delay will begin once the damper sequence is complete. This delay can be used to offset starting times between the supply fan and exhaust fan. This screen also provides the ability to enable the exhaust fan on a set OA damper position if the unit is equipped with a modulating OA damper. e xhausT

F an

s peed

p ercenTages

The speed set point is the proportional percentage of the analog output from the controller to the VFD.

25% Speed = Min speed

100% Speed = Max speed


Constant Volume – The fan speed will be constant; set from screen (e.g. 100%).

BMS – The BMS can directly control the fan speed (requires BMS communication option).

Space Pressure – Fan speed is determined by building pressure control loop.

Supply Fan Tracking with Offset – The exhaust fan will track the supply fan, between a min and max position. An offset can be added to achieve the proper balance.

Outside Air Damper Tracking – The exhaust fan will proportionally track the OA damper, between a min and max position.

Return Duct Static Pressure – Fan speed is determined by duct pressure control loop.


®

Control Variables

Occupancy

Menu

The Occupancy menu allows the user to adjust occupancy control parameters which includes occupancy control mode and schedule.

o ccupancy

c onTrol

This screen displays the current mode of operation for occupancy control. Status of the other mode option can also be found on this screen.

This screen allows the user to select the source of determining occupancy. The factory default is BMS control.

BMS: BMS control (Reference Points List). BMS can be overridden with ID6.

Digital Input: Typically used with a remote time clock, motion sensor or switch.

Always Occ: Controller will always remain in occupancy mode.

Always Unocc: Controller will always remain in unoccupancy mode.

Schedule: Allows the user to set an occupancy schedule for each individual day of the week. o ccupancy

s chedule

This screen allows the user to adjust the schedule.

Requires the user to enter a start time, stop time and the applicable days of the schedule.

u noccupied s TarT e nable m odes .

This screen only appears if unit is provided with unoccupied recirculation.

This screen allows the user to enable/disable modes of operation when in unoccupied recirculation control.

o ccupancy

T imed

o verride

Screen allows the user to override occupancy for a set duration.


®

Control Variables

Advanced

Menu

The Advanced menu allows the user to access several submenus regarding controller information, controller overrides, network settings, I/O configuration, and unit configuration. Submenu options are read only and will require the user to input proper login criteria. The service password (9998) is required to change service access menus. Consult factory for factory level access.

Control Variables

Advanced

Manual Overrides

The Manual Overrides menus are for start-up, commissioning, and troubleshooting. ig F urnace

c ommissioning

m enu

This screen only appears if an indirect gas furnace was provided with the unit.

Entering the furnace commissioning menu will step the user through the furnace start-up.

m anual o verride m ode

The Manual Overrides menu is for start-up, commissioning, and troubleshooting.

This menu allows the user to override the control loops and specific inputs and outputs.

To access the Manual Overrides submenus, enter the service password (9998) .

Manual overrides must be enabled at this screen to allow the user to override control loops. Override options must be changed from Auto to Manual for manual control.

o verride The

u niT

o n or

o

FF

When manual override is set to enable, use the arrow buttons to turn the unit on or off. o verride o ccupancy c onTrol

When manual override is set to enable, use the arrow buttons to change occupancy control. o verride The s upply F an vFd s peed

The speed is the proportional percentage of the analog output from the controller to the VFD.

0% Speed = Min speed (determined by VFD)

100% Speed = Max speed (determined by VFD)

(Reference unit Installation and Operation Manual for VFD programming).


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®

Menu o verride e xhausT F an vFd s peed

This screen only appears if the unit is equipped with a exhaust fan VFD controlled by the microprocessor.

The speed is the proportional percentage of the analog output from the controller to the VFD.

0% Speed = Min speed (determined by VFD)

100% Speed = Max speed (determined by VFD)

(Reference unit Installation and Operation Manual for VFD programming).

o verride The p osiTion oF The o uTside a ir d amper

This screen only appears if the unit is equipped with a modulating OA and recirculation damper. The recirculation damper position will be the inverse of the

OA damper position shown.

0% = Outside air damper closed

100% = Outside air damper fully open o verride The

c ompressor

This screen only appears if the unit is equipped with DX cooling. When manual override is set to enable, use the arrow buttons to turn individual compressor requests on or off. o verride The m odulaTing c ompressor c onTrol l oop

When manual override is set to enable, use the arrow buttons to change the compressor modulation value. o verride

c ooling

When the cooling control is in the manual mode, use the arrow buttons to vary the cooling output.

Chilled Water : The cooling percent is directly proportional to the 0 - 10 VDC output signal.

0% Cooling = 0 VDC

100% Cooling = 10 VDC

Packaged Cooling : The cooling percent displays compressor engagement as a percent. The compressors are subject to the min on/off times and heating/cooling lockouts.

o verride The

e lecTric

h eaTer

This screen only appears if the unit is equipped with electric post heat. Electric heater percentage is directly proportional to the 0 – 10 VDC output signal.


Menu o verride

h eaTing

When the heating control is in the manual mode, use the arrow buttons to vary the heating output.

o verride

h eaT

p ump

h eaTing

This screen will be available when the unit is configured as a heat pump. When in manual mode, change the demand to control the position of the reversing valve and the amount of compressor request. The compressors are subject to the min on/off times and heating lockouts.

o verride The

e conomizer

c onTrol

When the heating control is in the manual mode, use the arrow buttons to vary the heating output.

o verride The

h oT

g as

r eheaT

This screen only appears if modulating hot gas reheat option was provided with the unit. When the hot gas reheat loop control is in the manual mode, use the arrow buttons to vary the reheat output.

o verride The

e nergy

r ecovery

d eFrosT

This screen only appears if modulating wheel frost control is equipped. When the defrost control ramp is in manual mode, use the arrow buttons to vary the defrost output.

0% = Maximum Wheel Speed

100% = Minimum Wheel Speed o verride

p ressure

c onTrol

F ans

This screen will be available when active head pressure control is installed in the unit. When in manual mode, with the compressors off, the modulating fan speed can be altered by using the arrows to change the output. The fixed stage fan can be enabled by changing the output to On.

Control Variables

Advanced

Advanced Setpoints

The Advanced Setpoints Menus allows the user to view and modify network settings. The service password (9998) is required to make changes. o ccupied d ehumidiFicaTion c all .

Reference control variables for possible Occupied dehumidification call methods.

u noccupied

d ehumidiFicaTion

c all

.

Reference control variables for possible unoccupied dehumidification call methods.


®

Menu v iew and

c hange The

u noccupied

u niT

o peraTion

.

Possible unoccupied unit operation methods include:

• Unit Off

• Night Setback Cycle

• Recirculation with Unoccupied Set Points

• Normal Operation with Unoccupied Set Points e nable m orning w arm u p and c ool d own .

The user can enable morning warm up, morning cool down, and set the duration for the sequence.

Control Variables

Advanced

Network Settings

The Network Settings Menus allows the user to view and modify network settings. The service password (9998) is required to make changes. c

.

p co b oard

a ddress

This screen will appear with or without a network protocol provided with the unit.

This screen allows the user to configure the IP setting for BMS and/or when the Web User Interface will be utilized. The controller may have a DHCP serverassigned address or a manually-assigned static IP address. Factory settings are shown in the screen to the left.

c onTroller bac neT ip c onFig

This screen will appear if the unit is set for BACnet IP and allows the user to set the device and port settings.

m odbus

Tcp s lave

.

This screen will appear if the unit is set for Modbus TCP and allows the user to set device ID number. bac neT msTp p arameTers

This screen only appears if the selected BMS protocol is set to BACnet MSTP.

Factory settings are shown in the screen to the left.

To change BACnet MSTP parameters:

1. Go to Network Settings menu and view BACnet MSTP Config screen.

2. Move cursor to desired parameter by pressing the enter button. Press up and down arrows to adjust the parameter. Press enter to accept adjusted value.

3. Once desired parameters have been entered, enable the ‘Save Settings’ option and press the enter button.

4. Reboot the controller by cycling power to the unit. Allow several minutes for the controller to initialize.


®

Menu m odbus

rTu p arameTers

This screen only appears if the selected BMS protocol is set to Modbus. Factory settings are shown in the screen to the left.

To change Modbus RTU parameters:

1. Go to Network Settings menu and view Modbus RTU Config screen.

2. Move cursor to desired parameter by pressing the enter button. Press up and down arrows to adjust the parameter. Press enter to accept adjusted value.

3. Once desired parameters have been entered, enable the ‘Save Settings’ option and press the enter button.

4. Reboot the controller by cycling power to the unit. Allow several minutes for the controller to initialize.

bms w aTchdog

The BMS watchdog function verifies BMS connectivity. The watchdog is required for the BMS to take the place of a hardwired sensor. The BMS toggles the watchdog variable from true to false within the timeout delay. If the timer expires, the controller falls back to hardwired sensors until the BMS connection can be established. At this time, a BMS watchdog alarm activates.

The following variables may be used by the BMS in place of hardwired sensors:

• Outside_RH_from_BMS

• Outside_Temp_from_BMS

• Return_RH_from_BMS

• Return_Temp_from_BMS

• Space_1_CO2_from_BMS

• Return_CO2_from_BMS

• Space_RH_from_BMS

• Space_Static_from_BMS

• Space_Temp_from_BMS s ensor

s ource

The sensor source can be changed to source by BMS through the controller or by a dedicated BMS point. Reference Points List above and in the Appendix for more detailed point information. Screen to the left is an example of the sensor source type. Source can be set for local or BMS at this screen.

Control Variables

Advanced

Backup/Restore

The Backup/Restore Menus allows the user to create a backup file of set points and configuration variables on a USB drive or in the controller’s internal memory.

Connecting to USB Drives

The controller has built-in USB ports for connecting to USB drives. The USB drives can be used for backing up all settings and reported conditions such as alarm history and current values. This creates a file named User_Backup.txt.

USB Type A

USB Type B


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Menu c reaTing a

b ackup

F ile

Important:

• At first startup or commissioning, or prior to communicating with Technical

Support about performance issues, we recommend creating a backup file for each controller.

• Name each file with the unit sales order–line number found on the silver nameplate attached to the electrical access door.

• Also consider creating a backup file whenever significant program changes are made.

To create a system backup file using the handheld or virtual keypad/display buttons:

1. Go to the Main Menu/Ctrl Variables/Advanced/Login screen. Press the Enter and Up or Down arrow buttons to enter the service password, which is 9998.

2. Go to the Main Menu/Ctrl Variables/Advanced/Backup/Restore screen.

3. Press the Up or Down arrow buttons to navigate to the Backup Settings screen.

4. Press the Enter and Up or Down arrow buttons to select the backup location

(internal memory or USB). If creating a backup to a USB drive, insert a USB drive into the main controller.

5. Press Enter to highlight and then the Up or Down arrow buttons to fill the Save checkbox. This action creates the backup file. r esToring From a b ackup F ile

From USB

1. Place the restore file in the root directory of a USB drive. (Do not place the file within a folder on the USB drive.) The file must be named: User_Backup.txt

2. Insert the USB drive into the controller’s USB port.

3. Go to the Main Menu/Unit Enable screen. Press the Enter and Up or Down arrow buttons to disable the unit.

4. Go to the Main Menu/Ctrl Variables/Advanced/Login screen. Press the Enter and Up or Down arrow buttons to enter the service password (9998).


6. Press the Up or Down arrow buttons to navigate to the USB Restore screen.

7. Press Enter to highlight and then the Up or Down arrow buttons to fill the

Restore checkbox. This action restores the backup file. If there is an error during the process, the specific error is displayed on this screen.

8. Cycle power to the controller.

From internal memory

1. Go to the Main Menu/Unit Enable screen. Press the Enter and Up or Down arrow buttons to disable the unit.

2. Go to the Main Menu/Ctrl Variables/Advanced/Login screen. Press the Enter and Up or Down arrow buttons to enter the service password, which is 9998.


4. Press the Up or Down arrow buttons to navigate to the Internal Restore screen. This screen is only available when a backup file exists in internal memory.

5. Press Enter to highlight and then the Up or Down arrow buttons to fill the

Restore checkbox. This action restores the backup file. If there is an error during the process, the specific error is displayed on this screen.

6. Cycle power to the controller.


Control Variables

Advanced

I/O Configuration

Control Variables

Advanced

Unit Config

Service Config

Menu

The IO Configuration Menu allows the user to view and modify controller input and output points.

i/o c onFiguraTion

This screen is read only and will require the factory password to make changes.

Screen to the left is an example of an analog input configuration screen. Similar screens appear for remaining I/O when selected.

To monitor individual I/O points:

1. Press the enter button to highlight the I/O type.

2. Press the up and down arrows to change the IO type.

3. Press the enter button to highlight the controller channel.

4. Press the up and down arrows to change the channel.

i/o c onFiguraTion

o pTions

Changes to the IO configuration requires the factory login password. Consult factory for IO configuration changes.

ADJUSTMENT OF I/O CONFIGURATION MUST ONLY BE DONE UNDER

FACTORY GUIDANCE! IMPROPER ADJUSTMENT MAY RESULT IN SYSTEM

DAMAGE!

The Unit Configuration menus allows the user to view unit configuration provided from factory. Configuration menus listed below can be altered with the service password. Consult factory for unit configuration changes! s upply F an c onTrol T ype

Reference control variables for possible supply fan control methods.

e xhausT F an c onTrol T ype

Reference control variables for possible exhaust fan control methods.


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Alarms

Menu

The Alarms menu allows the user to view active alarms, reset active alarm (if possible), and alarm history.

a cTive

a larms

If an alarm occurs, the button will glow red on the controller and the remote display (if installed).

To view alarm, press the Alarm button once. This will display the most recent alarm. If the alarm cannot be cleared, the cause of the alarm has not been fixed.

Press the up and down buttons to view any additional occurring alarms.

r eseT

a cTive

a larms

This screen allows the user to clear active alarms.

a larm

e venT

h isTory

This screen allows the user view recent alarms. To view all saved alarms, press the “down” button to enter the data logger. c lear a larm l og

This screen allows the user to clear all alarms in alarm log history.

IG no flame 3 try AL

IG Furnace Alarm (AL) Descriptions

Indicates a furnace failure to light or properly sense flame after

3 trials.

IG combustion fan high pressure switch failure

Indicates a call for high speed combustion fan but high pressure switch did not close.

IG furnace ignition control Indicates an alarm from the ignition controller.

Pressure switch closed with combustion fan off

Combustion fan not proved

IG furnace max retry

Indicates low pressure switch was closed with no call for combustion fan.

Indicates a call for low speed combustion fan but low pressure switch did not close.

Indicates that the max number of retries was reached.

IG High Temp AL

IG offline

Indicates that power was lost from the High Temp Limit Sensor.

Check for high limit trip.

Indicates communication with furnace control has failed.

IG Lg Man No Flame AL No flame after 3 trials for ignition on the large manifold.

Alarm only

Alarm only

Alarm only

Alarm only

Alarm only

Alarm and Furnace lockout

Alarm only

Alarm only

Alarm only


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Appendix A: Remote Display (pGD1)

The pGD1 is an optional remote display for use with manufacturer’s microprocessor controllers. The remote display allows for remote monitoring and adjustment of parameters of the unit mounted controller. The remote display allows identical access to menus and screens as the unit mounted controller display.

Specifications

Carel Model

Power Supply

Max distance from unit controller

Required Cable

Operating Conditions

Display Type

PGD1000W00

Power supplied from unit controller through RJ25 cable

150 feet

6P6C RJ25/RJ12 Cable (straight)

-4°F to 140°F, 90%RH

(non-condensing)

Backlit LED with lighted buttons

Installation

The remote display connects to the unit mounted controller through a six-wire RJ25 or RJ12 telephone cable (straight).

When ordered from the factory, a 10 ft. cable is provided with the remote display. The display and cable can be used to assist with start-up and maintenance.

Connecting Cable

If mounted remotely, the factory cable can either be extended or replaced with a longer cable to obtain the necessary distance. The resulting cable connections should be a “straight through cable,” where pins on one end correspond identically to the pins on the opposite end. If making your own cable, use the same pin-out for each end.

1 2 3 4 5 6 1 2 3 4 5 6

NTC Temperature Sensor Chart

80

70

60

50

40

120

110

100

90

30

20

10

0

4 6 8 10 12 14 16 18 20 22 24 26 28

Resistance (k Ω )


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Appendix B: I/O Expansion Board (c.pCOe) Quick Start

The expansion board is an I/O module than can be used to monitor additional statuses or provide commands from large board controller. It allows the user to view and control:

• 6 Universal Inputs (Digital Input*,

NTC, 0/1VDC, 0/10VDC, 0/20mA,

4/20mA, 0/5VDC)

*Only dry to ground contacts can be utilized for digital inputs.

Applying voltage will result in damage to the I/O expansion board.

• 4 Analog Outputs (VDC)

• 6 Digital Outputs

The inputs and outputs can be monitored and controlled by the Building

Management System. Reference Points

List for detailed point information.

24 VAC

Power

Universal

Inputs

Analog

Outputs

Digital

Outputs

Setup

In order for the controller to communicate with the c.pCOe, several parameters must be adjusted. If you have a c.pCOe installed from the factory, the controller is already set up for communication with the main controller.

The factory password is required for expansion board and I/O configuration updates. Consult factory for I/O configuration changes.

Enabling the c.pCOe in the Main Controller.

- To enable the c.pCOe expansion

I/O module, go to Ctrl Variables/Advanced/Unit Config. User will have to enter the Factory Password to make any edits at this point. Consult factory for factory password and configuring the expansion board. The expansion board must be enabled to configure spare I/O points. Once enabled, the user must reboot the controller. See screens to the left for expansion board enable points.

Configuring the I/O Type - In order to edit and configure the I/O configuration of the unit, go to Ctrl Variables/Advanced/I/O Configuration. The user must enable the Editable option for configuring I/O points. If configuring a new I/O point, ‘Scroll by All Configured’ must be deselected to view all I/O options.

Change or Update the I/O Point - Once the editable option is selected, the user must scroll to the I/O Configuration Menu. At this menu the desired I/O type can be selected. Once selected the user can configure the desired channel at the expansion board. The channel will have an ‘E’ designation for expansion board. Aux In Customer 1–6, Aux Analog Out 1-4, and Aux Digital Out 1-6 will be allocated for the I/O expansion board. See example to the left.

Viewing c.PCOe Auxiliary Values – Once the expansion board I/O is configured, the user can view and/or change the I/O type by navigating to Ctrl Variables/Aux

I/O Config.


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Appendix C: Space Thermostat Quick Start

The space thermostat gives users the ability to view the space temperature and relative humidity (optional) and control the active space set points from the adjustable display. The space thermostat also has the ability to send the unit into temporary occupied mode. It is also provides the functionality to average up to 4 temperature readings through the microprocessor.

The space thermostat is shipped loose with installation by others and is a

Modbus connected device.

Room thermostat functions:

• Temporary occupancy override control

• Temperature and relative humidity monitoring

• Temperature and relative humidity set point adjustability

• Status icon on LCD display with push buttons

• Optional temperature monitoring up to 4 sensors

Display

If more than one space thermostat is provided for averaging, only one space thermostat will be provided with a display and push buttons for adjustment.

Adjusting SET POINT - The default display will show the current temperature value for the room. Use the scroll button to index through additional sensor parameters. Parameters with the "SET POINT" icon displayed above the temperature display are adjustable. Use the Up/Down buttons to adjust the set point, and use the scroll button to view the next parameter or return to the normal display mode.

Up/Down Button Function - The Up/Down buttons are used to adjust editable parameters including the temperature and humidity set point.

Override Button Function - The display shows a person in the lower left corner of the display at all times. If the person is solid, the unit is operating in occupied mode. If it is an outline of the person, the unit is in unoccupied mode. Pushing the Override button when the unit is in unoccupied mode will allow a temporary override sequence to

Occupied mode for a period of 1 to 3 hours (adjustable at the unit microprocessor).

Initial Setup and Communication Configuration

The space thermostat is a Modbus connected device There can be up to three additional Modbus temperature sensors added for space temperature averaging. The sensors must all be connected in a daisy chain configuration.

The microprocessor controller will be pre-configured for one space thermostat. If space temperature averaging is desired, additional field setup will be required both in the controller and on the Modbus space sensors:

• Each space sensor must have the DIP switches adjusted on the back of the sensor to the corresponding switches. Reference Room Thermostat Modbus Address chart on the following page for DIP switches settings.

• Once the address is set and the wires are connected the “Status” LED should be a steady green and the “Network” LED should be a quick blinking amber/green color.

• In the Controller, enter the Ctrl Variables Menu/Temperature and scroll down in the Temperature Menu to select Space Thermostat. Choose the number of space sensor being used (1-4).


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Appendix C: Space Thermostat Quick Start

Status LED

Green indicates that the unit is operating properly.

Red indicates that there is a problem with the unit.

Terminal

GND

Net B

Net A

Power

Unit

Controller

Description

Power Supply Ground (common to the controller)

RS485 network connection (Data - )

RS485 network connection (Data +)

Power supply hot

TAP-Stat

+Vtermo

GND

POWER

GND

-

Tx/Rx

+

NET B

NET A

Network LED

Flashing Red Slowly indicates that there has been no communications for 60 seconds.

Flashing Green Slowly indicates that there have been normal communications within the last 60 seconds.

Flashing Green Slowly with Quick Red Flashes; the quick red flashes indicate active communications.

Address in Microprocessor

Dip Switch Set on Stat

Space Thermostat Modbus Address

T-Stat 1 (Display) T-Stat 2

10

Sw 2 + Sw 8

11

Sw 1 + Sw 2 + Sw 8

T-Stat 3

12

Sw 4 + Sw 8

T-Stat 4

13

Sw 1 + Sw 4

Baud Rate Setting

In order for the space thermostat to communicate with the microprocessor, the correct baud rate must be set in the space thermostat. To set the baud rate:

• The “PROG” DIP switch on the back of the space thermostat must be flipped to the right side.

• Use the Set Point Down button to display P11 on the space thermostat.

• Push the Scroll button and use the Set Point Up/Down buttons to adjust the baud rate to 192.

• Once 192 is displayed, push the Scroll button again to save the setting. Once the setting is saved, P11 should appear on the display.

• Flip the “PROG” DIP switch on the back of the space thermostat back to the left. The space thermostat should communicate and be set back to normal mode.

Occupancy Override Time Adjustment

If the occupancy override time needs to be adjusted:

• If the occupancy override is enabled from the space thermostat or the unit microprocessor, it will override for the period of time set on this menu screen.

• To adjust the temperature override time, enter the following menu options at the controller, Ctrl Variables/Occupancy. Scroll down at the Occupancy Menu and select

Occ Timed Override. This menu will allow the user to enable occupancy override from the controller and set override duration.


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Appendix D: GreenTrol ® Airflow Monitoring Quick Start

The GreenTrol ® airflow monitoring station measures airflow using advanced thermal dispersion technology.

An integral LCD display provides a local indication of airflow measurement and device configuration. The airflow monitor also features Modbus communication allowing the main unit microprocessor to monitor the airflow as well. The GreenTrol also accepts up to two airflow probes for averaging.

GreenTrol Airflow Monitor functions:

• LCD readout of measured airflow

• Dual airflow probe averaging

• Modbus connectivity

Display and Navigation

The LCD screen will by default show the current airflow that is being measured. To enter the menu to set up the monitoring station the user must remove the front cover of the GreenTrol to uncover the navigation buttons. Press and hold the UP and DOWN buttons at the same time for 3 seconds to enter the menu.

Enter Button Function - The ENTER button allows the user to go into the selected menu or function, as well as save the selected value.

Up/Down Button Function - The Up/Down buttons are used to navigate the menu and to change values in the menu.

Esc Button Function - The ESC button allows the user to exit the current menu or function.


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VARIABLE DESCRIPTION

Circuit_A_Discharge_

Temp_Analog_Input

Circuit_A_Suction_

Temp_Analog_Input

Cold_Coil_1_Temp_

Analog_Input

Circuit A Discharge

Temperature

Circuit A Suction

Temperature

Cold Coil 1 Temperature

CL_Coil_Spt_Temp

CL_Supply_Spt_Temp

Controls Lite Cooling Coil

Set Point Temperature value

Controls Lite Supply Set

Point Temperature value

Outside_Air_Temp_

Analog_Input

Space_Temp_Analog_

Input

Supply_Temp_Analog_

Input

Outside_RH_Analog_

Input

Space_RH_Analog_

Input

Space_Static_

Pressure_Analog_Input

Outside Air Temperature

Space Temperature

Supply Temperature

Outside % Relative

Humidity

Space % Relative Humidity


Supply_Duct_Static_

Pressure_Analog_Input Supply Duct Static Pressure

Space_CO2_1_

Analog_Input

Space 1 CO2 ppm



Circuit A Discharge

Pressure

Circuit_A_Suction_

Pressure_Analog_Input Circuit A Suction Pressure

Circuit_B_Discharge_


Circuit B Discharge

Pressure

Aux_In_Customer_1

Aux_In_Customer_2

Aux_In_Customer_3

Aux_In_Customer_4

Aux_In_Customer_5

Aux_In_Customer_6

Customer defined auxiliary input






ACTIVE

TEXT

Appendix E: Points List

INACTIVE

TEXT

OBJECT

INSTANCE

Analog Inputs - Read Only

BACNET

OBJECT

TYPE

ACCESS

1

3

25

AI

AI

AI

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

31 AI

ReadCOV_

NoWrite

32

37

44

45

86

89

94

95

116

119

120

121

640

642

644

646

648

650

AI

AI

AI

AI

AI

AI

AI

AI

AI

AI

AI

AI

AI

AI

AI

AI

AI

AI

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

HYST INDEX

MODBUS

REGISTER

TYPE

SIZE

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

30195

30199

30243

30255

30639

30641

30643

30645

30647

30649

30349

30355

30365

30367

30401

30407

30409

30411

30257

30267

30281

30283

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.01

10

0.1

0.1

0.1

0.01

0.1

1

0.1

0.1

0.1

0.1


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Temperature_Set Point

Temperature_Heat_

Cool_Deadband

Cooling_Coil_Set

Point_Min

Dehumidification_Set

Point

Outside_Dewpoint_Set

Point

Indoor_Dewpoint_Set

Point

Unocc_Indoor_

Dewpoint_Set Point

Unoccupied_Cooling_

Set Point

Unoccupied_

Dehumidification_Set

Point

Unoccupied_Heating_

Set Point

Economizer_Temp_

Enable_Set Point

Economizer_Enthalpy_

Enable_Set Point

Outside_RH_from_

BMS

Outside_Temp_from_

BMS

Return_RH_from_BMS

Return_Temp_from_

BMS

Space_1_CO2_from_

BMS

Space_RH_from_BMS

Space_Static_from_

BMS

Space_Temp_from_

BMS

Cooling_Lockout_Set

Point

Heating_Lockout_Set

Point

Space_Static_

Pressure_Set Point

Main Temperature Set point. Supply, Space, or

Return target temperature

Heat/Cool Spt Deadband when Room or Return control is active. Clg Spt =

Deadband /2 + Temp Spt.

Htg Spt = Deadband /2 -

Temp Spt.

Cooling Coil Leaving Air

Set Point

Dehumidification Set Point.

%RH for Space or Return control.

Outside Dewpoint

Dehumidification Trigger

Set Point

Indoor Dewpoint

Dehumidification Trigger

Set Point

Unoccupied Indoor

Dewpoint Dehumidification

Trigger Set Point

Unoccupied Cooling Set

Point

Unoccupied

Dehumidification %RH Set

Point

Unoccupied Heating Set

Point

Economizer Ambient Temp

Enable Set Point. Allow

Econ when OAT<Spt

Economizer Enthalpy

Enable Set Point.

Allow Econ when OA

Enthalpy<Spt

Outside RH from BMS. Used when source selection is set to BMS.

Outside Temp from BMS.

Used when source selection is set to BMS.

Return RH from BMS. Used when source selection is set to BMS.

Return Temp from BMS.


Space 1 CO2 from BMS.


Space RH from BMS. Used when source selection is set to BMS.

Space Static from BMS.


Space Temp from BMS.


Cooling Ambient Lockout

Set Point

Heating Ambient Lockout

Set Point

Space Static Pressure Set

Point


ACTIVE

TEXT

INACTIVE

TEXT

OBJECT

INSTANCE

BACNET

OBJECT

TYPE

Analog Values - Read/Write - Commandable

ACCESS

1 AV

ReadCOV_

Commandable

2

3

5

6

7

9

10

11

12

16

17

21

22

23

24

25

28

29

30

31

32

37

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

HYST

0

0

0

0

0

0

0

0

0

0

0

0

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

INDEX

MODBUS

REGISTER

TYPE

SIZE

40001

40003

40005

40009

40011

40013

40017

40019

40021

40023

40031

40033

40041

40043

40045

40047

40049

40055

40057

40059

40061

40063

40073

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2


®


Supply_Duct_Static_

Pressure_Set Point

Space_CO2_Set Point

Supply Duct Static Pressure

Set Point

Space CO2 Set Point

SF_Control_Signal_

BMS

EF_Control_Signal_

BMS

OAD_Control_Signal_

BMS

Outside_Air_Damper_

Minimum_Set Point

Aux_BMS_Analog_

Output_1

Aux_BMS_Analog_

Output_2

Aux_BMS_Analog_

Output_3

Aux_BMS_Analog_

Output_4

Cooling_Coil_Setpoint_

Max

BMS to control signal for supply fan speed

BMS to control signal for exhaust fan speed

Allows the BMS to control

OAD position. True = BMS.

False = Local.

Outside Air Damper

Minimum Set Point

BMS Commanded auxilary analog output




Maximum Coil Leaving

Setpoint

ACTIVE

TEXT


INACTIVE

TEXT

OBJECT

INSTANCE

38

39

133

134

BACNET

OBJECT

TYPE

ACCESS

AV

AV

AV

AV

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

136 AV

ReadCOV_

Commandable

137

138

139

140

141

313

AV

AV

AV

AV

AV

AV

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

HYST INDEX

MODBUS

REGISTER

TYPE

SIZE

0.1

40075 Holding 2

0.1

0.1

0.1

0.1

1

0.1

0.1

0.1

0.1

0.1

40077

40083

40085

40089

40091

40093

40095

40097

40099

40101

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

Holding

2

2

2

2

2

2

2

2

2

2

®



Unit_Status_Mode

Supply_Temperature_

Calculated_Set Point

Cooling_1_Ramp_

Capacity

0: Off/Standby

1: Unoccupied Start

2: Occupied Start

5: Dampers Open

6: Fan Start Delay

7: Fans Starting

9: Heat/Cool Delay

10: System On

11: Soft Shutdown

12: System Disabled

13: Remote Off

14: Shutdown Alarm

19: Fans Only

20: Economizing

21: Cooling

22: Heating

23: Dehumidifying

25: HGRH Purging

26: Defrost Active

28: Cooling & Heating

29: Dehum w/Heat

30: Overrides Active

31: Expansion Offline

51: IO Test. Sys Disabled

Active Supply Temperature

Set Point

Cooling Ramp 1 Status

Value

Defrost_Ramp Defrost Ramp

Economizer_Ramp

Exhaust_Fan_Space_

Static_Pressure_Ramp

Exhaust_Fan_Supply_

Tracking_Ramp

Head_Pressure_

Control_Ramp_1_

Ramp

Head_Pressure_

Control_Ramp_2_

Ramp

Economizer Ramp

Exhaust Fan Space Static

Pressure Ramp

Exhaust Fan Supply

Tracking Ramp

Head Pressure Control

Ramp 1

Head Pressure Control

Ramp 2

HP_Ramp_Capacity Heat Pump Heating Ramp

Heating_Ramp Heating Ramp

Hot_Gas_Reheat_

Ramp

Space_CO2_Control_

Ramp

Supply_Duct_Static_

Pressure_Ramp

Supply_Fan_Space_

Static_Pressure_Ramp

Hot Gas Reheat Ramp

Space CO2 Control Ramp


Ramp

Supply Fan Space Static

Pressure Ramp

Winter_Ramp_Output Winter Ramp Output

Outside_Dewpoint

Outside_Enthalpy

Outside Dewpoint

Outside Enthalpy

Return_Dewpoint

Return_Enthalpy

Space_Dewpoint

Space_Enthalpy

Return Dewpoint

Return Enthalpy

Space Dewpoint

Space Enthalpy

ACTIVE

TEXT


INACTIVE

TEXT

OBJECT

INSTANCE

Analog Values - Read Only

BACNET

OBJECT

TYPE

ACCESS

40

86

87

88

75

82

83

89

59

60

61

71

72

74

41

43

47

48

49

50

51

52

AV

AV

AV

AV

AV

AV

AV

AV

AV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV

AV


HYST INDEX

MODBUS

REGISTER

TYPE

SIZE

0

0.1

1

1

1

1

1

1

30001

30003

30007

30015

30017

30019

30021

30023

30025

30071

30085

30087

30093

30095

30097

30099

30039

30041

30043

30063

30065

30069

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

1

0.1

0.1

0.1

1

0.1

0.1

0.1

1

1

1

1

1

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

®


Circuit_A_Superheat

Total_Exhaust_Fan_

CFM_BMS

OAD_CFM_BMS

Circuit A Superheat

Total Exhaust Fan CFM

OAD CFM

OAD_Space_Static_

Pressure_Ramp

Active_Temperature_

Set Point

Chilled_Water_1_

Valve_Analog_Output

Condenser_1_Analog_

Output

Condenser_2_Analog_

Output

Electric_Heater_1_

Analog_Output

Energy_Recovery_

Analog_Output

Exhaust_Fan_Speed_

Analog_Output

Hot_Gas_Reheat_

Analog_Output

Hot_Water_Valve_1_

Analog_Output

Mod_Gas_Furnace_1_

Analog_Output

Outside_Air_Damper_

Analog_Output

Supply_Fan_Speed_

Analog_Output

Modulating_

Compressor_Analog_

Output_BMS

Circuit_A_Sat_

Discharge_

Temperature

Circuit_B_Sat_

Discharge_

Temperature

Circuit_A_Sat_

Suction_Temperature

Coil_Temperature_

Calculated_Setpoint

OAD Static Pressure Ramp

Active Temperature Set point

Chilled Water 1 Valve

Analog Output

Condenser 1 Analog Output

Condenser 2 Analog Output

Electric Heater 1 Analog

Output

Energy Recovery Analog

Output

Exhaust Fan Speed Analog

Output

Hot Gas Reheat Analog

Output

Hot Water Valve 1 Analog

Output

Mod Gas Furnace 1 Analog

Output

Outside Air Damper Analog

Output

Supply Fan Speed Analog

Output

Modulating Compressor

Analog Output - BMS

Circuit A Saturated

Discharge Temperature

Circuit B Saturated

Discharge Temperature

Circuit A Saturated Suciton

Temperature

Calculated Coil Leaving

Setpoint

ACTIVE

TEXT


INACTIVE

TEXT

OBJECT

INSTANCE

93

107

129

131

132

201

205

206

221

229

231

235

236

242

250

264

BACNET

OBJECT

TYPE

ACCESS

AV

AV

AV

AV

AV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

AV

AV

AV

AV

AV

AV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

AV

AV

AV

AV

AV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

285 AV

ReadCOV_

NoWrite

286

287

294

312

AV

AV

AV

AV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

HYST INDEX

MODBUS

REGISTER

TYPE

SIZE

0.1

30107 Input 2

10

10

30135

30173

Input

Input

2

2

1

0.1

30177

30179

Input

Input

2

2

30473

30481

30483

30513

30517

30521

Input

Input

Input

Input

Input

Input

2

2

2

2

2

2

30523

30525

30537

30541

30557

Input

Input

Input

Input

Input

2

2

2

2

2

0.1

30585 Input 2

0.1

0.1

0.1

0.1

30587

30589

30603

30653

Input

Input

Input

Input

2

2

2

2


®


VARIABLE

Exhaust_Fan_1_

Status_Digital_Input

Occupancy_Digital_

Input

Outside_Filter_Alarm_

Digital_Input

Shutdown_Alarm_

Digital_Input

Supply_Fan_1_Status_

Digital_Input

Unit_Enable_Digital_

Input

Wheel_Status_Digital_

Input

BMS_Watchdog

System_Enable

BMS_Occupancy_

Command

DESCRIPTION

Exhaust Fan 1 Status

Occupancy Digital Input

Status

Outside Filter Alarm Digital

Input Status

Shutdown Alarm Digital

Input Status

Supply Fan 1 Status

Remote Unit Enable Digital

Input Status

Heat Wheel Status

ACTIVE

TEXT

Active

Active

Active

Active

Active

Active

Active

INACTIVE

TEXT

OBJECT

INSTANCE

Binary Inputs - Read Only

BACNET

OBJECT

TYPE

ACCESS

Inactive

Inactive

Inactive

Inactive

Inactive

Inactive

Inactive

23

53

54

75

78

82

83

BI

BI

BI

BI

BI

BI

BI

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

Binary Values - Read/Write - Commandable

BMS Watchdog command.

Used to determine comm status. Must heartbeat within the watchdog timeout delay to detect comm status.

Master system enable/ disable point.

Occupancy Command. True

= Unoccupied. False =

Occupied.

Active

Enable

Inactive

Disable

Unoccupy Occupy

1

2

3

BV

BV

BV

Read_

Commandable

Read_

Commandable

Read_

Commandable

Reset_All_Alarms Alarm Reset Command.

Reset Normal 4 BV

Read_

Commandable

Outside_RH_Source_

BMS

Outside_Temp_

Source_BMS

Outside RH Source

Selection. True = BMS.

False = Local.

Outside Temp Source


False = Local.

Return_RH_Source_

BMS

Return_Temp_Source_

BMS

Return RH Source

Return Temp Source

Space_1_CO2_

Source_BMS

Space_RH_Source_

BMS

Space_Static_Source_

BMS

Space_Temp_Source_

BMS

SF_Control_Source_

BMS

EF_Control_Source_

BMS

OAD_Control_Source_

BMS

Space 1 CO2 Source


False = Local.

Space RH Source Selection.

True = BMS. False = Local.

Space Static Source


False = Local.

Space Temp Source


False = Local.

Allows the BMS to control supply fan speed. True =

BMS. False = Local.

Allows the BMS to control exhaust fan speed. True =

BMS. False = Local.

Allows the BMS to control

OAD position. True = BMS.

False = Local.

BMS

BMS

BMS

BMS

BMS

BMS

BMS

BMS

BMS

BMS

BMS

Local

Local

Local

Local

Local

Local

Local

Local

Local

Local

Local

5

6

7

8

9

12

13

14

56

57

59

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

Read_

Commandable

Read_

Commandable

Read_

Commandable

Read_

Commandable

Read_

Commandable

Read_

Commandable

Read_

Commandable

Read_

Commandable

Read_

Commandable

Read_

Commandable

Read_

Commandable

HYST INDEX

MODBUS

REGISTER

TYPE

SIZE

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

55

76

24

54

79

83

84

2

3

4

5

6

7

8

9

10

13

14

15

19

20

22

Discrete

Discrete

Discrete

Discrete

Discrete

Discrete

Discrete

Coil

Coil

Coil

Coil

Coil

Coil

Coil

Coil

Coil

Coil

Coil

Coil

Coil

Coil

Coil


®


VARIABLE

Occupied

Unoccupied

Unoccupied_Cooling_

Call

Unoccupied_

Dehumidification_Call

Unoccupied_Heating_

Call

Occupied_Start

Unoccupied_Start

Enable_Controls

Global_Alarm

System_Shutdown_

Alarm

Damper_Open

Cooling_is_On

Economizer_is_On

Heating_is_On

Dehumidification_

Mode_Enabled

Manual_Override_

Active

Cooling_Not_Locked_

Out

Heating_Not_Locked_

Out

Preheat_Not_Locked_

Out

HGRH_Purging

Allow_Dampers

Allow_Exhaust_Fans

Allow_Supply_Fans

BMS_Watchdog_Active

BMS_Occupancy_

Status

Compressor_1_

Enable_Digital_Output

Compressor_2_


Compressor_3_


DESCRIPTION

Occupied Status.

Unoccupied Status.

Unoccupied Cooling Call

Status

Unoccupied

Dehumidification Call

Status

Unoccupied Heating Call

Status

Occupied Start Command

Status

Unoccupied Start Command

Status

ACTIVE

TEXT

Occupied

Active

INACTIVE

TEXT

OBJECT

INSTANCE

Binary Values - Read Only

BACNET

OBJECT

TYPE

ACCESS

Unoccupied

Unoccupied Occupied

Inactive

16

17

18

BV

BV

BV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

Active

Active

Active

Active

Inactive

Inactive

Inactive

Inactive

19

20

21

22

BV

BV

BV

BV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

Status to indicate startup is complete and the unit is ready.

General alarm point.

Optionally set to indicate any alarm is active, or a shutdown alarm is active.

Shutdown alarm status.

When true, System Enable will be set to false and the unit will remain off.

Indicates there is a open air path and the supply fan can run.

Indicates that the unit is cooling.

Indicates that the unit is economizing.

Indicates that the unit is heating.

Indicates that the unit is dehumidifying.

Enabled

Alarm

Shutdown

Open

Active

Active

Active

Active

Disabled

Normal

Normal

Closed

Inactive

Inactive

Inactive

Inactive

23

24

25

26

27

28

29

31

BV

BV

BV

BV

BV

BV

BV

BV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

Indicates that manual overrides are active.

Indicates that cooling is allowed.

Indicates that heating is allowed.

Indicates that preheat is allowed.

Indicates that the hot gas reheat value is purging.

Startup sequence command to open dampers

Startup sequence command to trigger exhaust fans to start

Startup sequence command to trigger supply fans to start

Status of the BMS watchdog ping.

Status of the BMS occupancy command.

Compressor 1 Enable

Digital Output

Compressor 2 Enable

Digital Output

Compressor 3 Enable

Digital Output

Override

Allowed

Allowed

Allowed

Active

Yes

Yes

Yes

Active

Occupied

Active

Active

Active

Normal

Locked_

Out

Locked_

Out

Locked_

Out

Inactive

No

No

No

Inactive

Unoccupied

Inactive

Inactive

Inactive

32

33

34

36

37

43

44

48

49

50

111

112

113

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

®

HYST INDEX

MODBUS

REGISTER

TYPE

SIZE

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

10002 Discrete

10003 Discrete

10004 Discrete

10005 Discrete

10006 Discrete

10007 Discrete

10008 Discrete

10009 Discrete

10010 Discrete

10011 Discrete

10012 Discrete

10013 Discrete

10014 Discrete

10015 Discrete

10017 Discrete

10018 Discrete

10019 Discrete

10020 Discrete

10022 Discrete

10023 Discrete

10029 Discrete

10030 Discrete

10034 Discrete

10035 Discrete

10036 Discrete

10164 Discrete

10165 Discrete

10166 Discrete



Circuit_A_Suction_

Temp_Analog_Input_

Alarm.Active

Circuit_B_Discharge_

Pressure_Analog_

Input_Alarm.Active

Cold_Coil_1_

Temperature_Sensor_

Alarm.Active

Comp_Maintenance_

Alarm.Active

Exhaust_Fan_1_Alarm.

Active

Expansion_Board_1_

Alarm.Active

Expansion_Board_2_

Alarm.Active

Expansion_Board_3_

Alarm.Active

Internal_Board_Temp_

Alarm.Active

Multi_Channel_Conf_

Alarm.Active

Outside_Air_

Temperature_Sensor_

Alarm.Active

Outside_Filter_Alarm.

Active

Outside_RH_Sensor_

Alarm.Active

Space_CO2_1_

Analog_Input_Alarm.

Active

Space_High_Static_

Alarm.Active

Compressor_4_


Condenser_Fan_1_

Digital_Output

Condenser_Fan_2_

Digital_Output

Condenser_Fan_3_

Digital_Output

Exhaust_Fan_1_Start_

Stop_Digital_Output

Furnace_1_Stage_1_

Digital_Output

Furnace_2_Stage_1_

Digital_Output

Heat_Wheel_Enable_

Digital_Output

PreHeat_Enable_

Digital_Output

Supply_Fan_1_Start_

Stop_Digital_Output

BMS_Offline_Alarm.

Active


Pressure_Analog_

Input_Alarm.Active


Temp_Analog_Input_

Alarm.Active

Circuit_A_Suction_

Pressure_Analog_

Input_Alarm.Active

Compressor 4 Enable

Digital Output

Condenser Fan 1 Digital

Output


Output


Output

Exhaust Fan 1 Start Stop

Digital Output

Furnace 1 Stage 1 Digital

Output

Furnace 2 Stage 1 Digital

Output

Heat Wheel Enable Digital

Output

PreHeat Enable Digital

Output

Supply Fan 1 Start Stop

Digital Output

BMS Offline Alarm

(0=Normal 1=Alarm)

Circuit A Discharge

Pressure Analog Input

Alarm

Circuit A Discharge Temp

Analog Input Alarm

Circuit A Suction Pressure

Analog Input Alarm

Circuit A Suction Temp

Analog Input Alarm

Circuit B Discharge

Pressure Analog Input

Alarm

Cold Coil 1 Temperature

Sensor Alarm (0=Normal

1=Alarm)

Comp Maintenance Alarm

(0=Normal 1=Alarm)

Exhaust Fan 1 Alarm

(0=Normal 1=Alarm)

Expansion Board 1 Alarm

(0=Normal 1=Alarm)


(0=Normal 1=Alarm)


(0=Normal 1=Alarm)

Internal Board Temp Alarm

(0=Normal 1=Alarm)

Multi Channel Conf Alarm

(0=Normal 1=Alarm)

Outside Air Temperature


1=Alarm)

Outside Filter Alarm

(0=Normal 1=Alarm)

Outside RH Sensor Alarm

(0=Normal 1=Alarm)

Space CO2 1 Analog Input

Alarm (0=Normal 1=Alarm)

Space High Static Alarm

(0=Normal 1=Alarm)


ACTIVE

TEXT

Active

Active

Active

Active

Active

Active

Active

Active

Active

Active

Alarm


INACTIVE

TEXT

Inactive

Inactive

Inactive

Inactive

Inactive

Inactive

Inactive

Inactive

Inactive

Inactive

Normal

OBJECT

INSTANCE

114

119

120

121

127

131

133

163

166

186

313

BACNET

OBJECT

TYPE

ACCESS

BV

BV

BV

BV

BV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

BV

BV

BV

BV

BV

BV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

Alarm Normal 315 BV

ReadCOV_

NoWrite

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

316

319

320

324

387

411

423

434

435

436

498

503

507

508

509

535

537

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

HYST INDEX

MODBUS

REGISTER

TYPE

SIZE

0 10167 Discrete

0

0

10172

10173

Discrete

Discrete

0

0

10174 Discrete

10180 Discrete

10184

10186

10208

Discrete

Discrete

Discrete

10211 Discrete

10231 Discrete

10264 Discrete

10266 Discrete

10267 Discrete

10270 Discrete

10271 Discrete

10275 Discrete

10338 Discrete

10362 Discrete

10373 Discrete

10384 Discrete

10385 Discrete

10386 Discrete

10448 Discrete

10453 Discrete

10457 Discrete

10458 Discrete

10459 Discrete

10485 Discrete

10487 Discrete

®


Space_RH_Sensor_

Alarm.Active

Space_Set Point_

Slider_Alarm.Active

Space_Static_

Pressure_Analog_

Input_Alarm.Active

Space_Temperature_

Sensor_Alarm.Active

Shutdown_Input_

Alarm.Active

Supply_Air_Temp_

Low_Limit.Active

Supply_Air_

Temperature_Sensor_

Alarm.Active

Supply_Duct_Static_

Pressure_Analog_

Input_Alarm.Active

Supply_Fan_1_Alarm.

Active

Supply_High_Duct_

Static_Alarm.Active

Supply_RH_Sensor_

Alarm.Active

Supply_Temp_High_

Limit_Alarm.Active

TMem_Error.Active

Wheel_Rotation_

Alarm.Active

Al_Batt_EVD_1.Active

Al_ConfigErr_EVD_1.

Active

Al_DscgHiP_COMP_1.

Active

Al_DscgHiTemp_

COMP_1.Active

Al_DscgLowP_

COMP_1.Active

Al_EEPROM_EVD_1.

Active

Al_EEV_A_EVD_1.

Active

Al_EmergencyClosing_

EVD_1.Active

Al_EVD_Offline_

EVD_1.Active

Al_FW_CompatibErr_

EVD_1.Active

Al_HiCurr_COMP_1.

Active

Al_HiRatioP_COMP_1.

Active

Al_HiT_Cond_EVD_1.

Active

Al_IncompleteClosing_

EVD_1.Active

Space RH Sensor Alarm

(0=Normal 1=Alarm)

Space Set Point Slider



Analog Input Alarm

(0=Normal 1=Alarm)

Space Temperature Sensor


Shutdown Input Alarm

(0=Normal 1=Alarm)

Supply Air Temp Low Limit


Supply Air Temperature


1=Alarm)


Analog Input Alarm

(0=Normal 1=Alarm)

Supply Fan 1 Alarm

(0=Normal 1=Alarm)

Supply High Duct Static


Supply RH Sensor Alarm

(0=Normal 1=Alarm)

Supply Temp High Limit


TMem Error Alarm

(0=Normal 1=Alarm)


(0=Normal 1=Alarm)

EVD Battery Alarm

(0=Normal 1=Alarm)

EVD Configuration Alarm

(0=Normal 1=Alarm)

Compressor Envelope -

High Discharge Pressure


Compressor Envelope

- High Discharge

Temperature Alarm

(0=Normal 1=Alarm)

EVD Low Discharge

Pressure Alarm (0=Normal

1=Alarm)

EVD EEPROM Alarm

(0=Normal 1=Alarm)

ExV Motor Alarm - Valve 1

(0=Normal 1=Alarm)

EVD Emergency Closing


EVD Offline Communication


EVD Firmware Compability


Compressor Envelope

- High Current Alarm

(0=Normal 1=Alarm)


High Pressure Ratio Alarm

(0=Normal 1=Alarm)

Al_HiT_Cond_EVD_1

(0=Normal 1=Alarm)

EVD Incomplete Closing


ACTIVE

TEXT

Alarm

Alarm


INACTIVE

TEXT

Normal

Normal

OBJECT

INSTANCE

538

539

BACNET

OBJECT

TYPE

ACCESS

BV

BV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

Alarm Normal 540 BV

ReadCOV_

NoWrite

Alarm

Alarm

Alarm

Alarm

Normal

Normal

Normal

Normal

541

546

551

552

BV

BV

BV

BV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

553

554

563

564

565

567

576

589

590

591

592

593

594

595

597

598

599

600

601

602

603

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

HYST INDEX

MODBUS

REGISTER

TYPE

SIZE

0 10488 Discrete

0 10489 Discrete

0 10490 Discrete

10491 Discrete

10496 Discrete

10501

10502

Discrete

Discrete

10503 Discrete

10504 Discrete

10513 Discrete

10514 Discrete

10515 Discrete

10517 Discrete

10526 Discrete

10539 Discrete

10540 Discrete

10541 Discrete

10542 Discrete

10543 Discrete

10544 Discrete

10545 Discrete

10547 Discrete

10548 Discrete

10549 Discrete

10550 Discrete

10551 Discrete

10552 Discrete

10553 Discrete


®


Al_LOP_A_EVD_1.

Active

Al_Low_SH_A_EVD_1.

Active

Al_LowDeltaP_

COMP_1.Active

Al_LowRatioP_

COMP_1.Active

Al_LowSuct_A_EVD_1.

Active

Al_MOP_A_EVD_1.

Active

Al_S1_EVD_1.Active

Al_S2_EVD_1.Active

Al_S4_EVD_1.Active

Al_SuctHiP_COMP_1.

Active

Al_SuctLowP_

COMP_1.Active

EVD Low Operating

Pressure Alarm - Valve 1

(0=Normal 1=Alarm)

EVD Low SuperHeat

Alarm - Valve 1 (0=Normal

1=Alarm)


Low Pressure DeltaAlarm

(0=Normal 1=Alarm)


Low Pressure Ratio Alarm

(0=Normal 1=Alarm)

Low Suction Refrigerant

Temperature - Valve 1

(0=Normal 1=Alarm)

EVD Max Operating

Pressure Alarm - Valve 1

(0=Normal 1=Alarm)

EVD-S1 Suction Pressure


1=Alarm)

EVD-S2 Suction

Temperature Sensor Alarm

(0=Normal 1=Alarm)

EVD-S4 Discharge

Temperature Sensor Alarm

(0=Normal 1=Alarm)


SuctHiP_COMP (0=Normal

1=Alarm)

Compressor Envelope

- SuctLowP_COMP

(0=Normal 1=Alarm)

HP_Defrost_Active.

Active

Heat Pump Defrost Alarm

Comp_Staging_Order_

Skipped.Active

Compressor Staging

Order is Skipped Warning

(0=Normal 1=Alarm)

Heat_Pump_Heating_

Lock_Out_Alarm.

Active

EVD_PrePosition_

Alarm_1.Active

ER_Wheel_High_

DP.Active

OAD_Feedback_Error_

Not_Economizing.

Active

OAD_Feedback_Error_

Economizing.Active

OAD_Feedback_Error_

OAD_Not_Modulating.

Active

OAD_Feedback_Error_

Excess_OA.Active

Heat Pump Heating Locked

Out Alarm

Unexpected EEV Position

(0=Normal 1=Alarm)

Energy Recovery Wheel high differential pressure

(0=Normal 1=Alarm)

Feedback indicates OAD is not opening during economizer

Feedback indicates OAD is open

Feedback indicates the OAD is not modulating

Feedback indicates the OAD is not closing

ACTIVE

TEXT


INACTIVE

TEXT

OBJECT

INSTANCE

BACNET

OBJECT

TYPE

ACCESS

Alarm Normal 604 BV

ReadCOV_

NoWrite

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Normal

606

608

609

610

612

614

615

617

618

619

631

632

633

634

731

741

742

743

744

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

BV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

0

0

HYST INDEX

MODBUS

REGISTER

TYPE

SIZE

0 10554 Discrete

0

0

0

0

0

0

0

0

0

0

0

10556 Discrete

10558 Discrete

10559 Discrete

10560 Discrete

10562 Discrete

10564 Discrete

10565 Discrete

10567 Discrete

10568 Discrete

10569 Discrete

10579 Discrete

10580 Discrete

10581 Discrete

10582 Discrete

10679 Discrete

10690 Discrete

10692 Discrete

10694 Discrete

10696 Discrete


®

VARIABLE

Aux_BMS_Digital_

Output_1

Aux_BMS_Digital_

Output_2

Aux_BMS_Digital_

Output_3

Aux_BMS_Digital_

Output_4

Aux_BMS_Digital_

Output_5

Aux_BMS_Digital_

Output_6

DESCRIPTION

BMS Commanded auxilary digital output






Allow_Fan_Delay_

Remaining

Supply_Fan_Delay_

Remaining

Exhaust_Fan_Delay_

Remaining

LatestAlm

Startup Sequence Fan

Damper Delay. Time before enabling Fan startup sequence.

Supply Fan startup sequence. Time before starting supply fan.

Exhaust Fan startup sequence. Time before starting exhaust fan.

Most recent alarm. See alarm table.

ACTIVE

TEXT

Active

Active

Active

Active

Active

Active


INACTIVE

TEXT

OBJECT

INSTANCE

Binary Values - Commandable

BACNET

OBJECT

TYPE

ACCESS

Inactive

Inactive

207

208

BV

BV

ReadCOV_

Commandable

ReadCOV_

Commandable

Inactive

Inactive

Inactive

Inactive

209

210

211

212

BV

BV

BV

BV

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

ReadCOV_

Commandable

Integer Values - Read Only

1 IV

ReadCOV_

NoWrite

2

3

IV

IV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

High_Low_Press_

Circ_A_Alarm.Active

High_Low_Press_

Circ_B_Alarm.Active

High_Low_Press_

Circ_C_Alarm.Active

High_Low_Press_

Circ_D_Alarm.Active

High_Low_Press_

Circ_C_Alarm.Active

High_Low_Press_

Circ_D_Alarm.Active

Greentrol_1_Alarm.

Active

Greentrol_2_Alarm.

Active

Greentrol_3_Alarm.

Active

High Low Pressure Switch

Alarm Circuit A


Alarm Circuit B


Alarm Circuit A


Alarm Circuit B


Alarm Circuit C


Alarm Circuit D

Greentrol Device Alarm



Mixed_Temp_Analog_

Input

Exhaust_Fan_Speed_

Analog_Input

Supply_Fan_Speed_

Analog_Input

Mixed Temperature

Exhaust Fan Speed Remote

Command Analog Input value

Supply Fan Speed Remote

Command Analog Input value

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm

Normal

Normal

Normal

Normal

Normal

Normal

7

Large Board Points


Normal 733

Normal 734

IV

BV

BV

735

736

735

736

737

738

Normal 739

Medium Board Points

Analog Inputs - Read Only

35

BV

AI

BV

BV

BV

BV

BV

BV

143

155

AI

AI

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

HYST INDEX

MODBUS

REGISTER

TYPE

SIZE

1

1

1

1

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0.1

1

1

26

27

24

25

28

29

30182

30184

30186

30195

10682 Discrete

10683 Discrete

10684 Discrete

10685 Discrete

10684 Discrete

10685 Discrete

10686 Discrete

10687 Discrete

10688 Discrete

30263

30455

30461

Coil

Coil

Coil

Coil

Coil

Coil

Input

Input

Input

Input

Input

Input

Input

1

1

1

2

2

2

2


®


Comp_Circ_A_High_

Pressure_Digital_Input

Comp_Circ_A_Low_


Comp_Circ_B_High_


Comp_Circ_B_Low_


Drain_Pan_Alarm_

Digital_Input

EAD_End_Switch_

Digital_Input

OAD_End_Switch_

Digital_Input

Circuit A High Pressure

Switch

Circuit A Low Pressure

Switch

Circuit B High Pressure

Switch

Circuit B Low Pressure

Switch

Drain Pan Alarm Digital

Input Status

Exhaust Air Damper End

Switch Digital Input Status

OAD End Switch Digital

Input Status

Condenser_Fan_5_

Digital_Output

Condenser_Fan_6_

Digital_Output

Condenser_Fan_7_

Digital_Output

Comp_Circ_A_High_

Pressure_Alarm.Active

Comp_Circ_A_Low_


Comp_Circ_B_High_


Comp_Circ_B_Low_


Damper_End_Switch_

Alarm.Active

Drain_Pan_Alarm.

Active

Exhaust_Fan_1_AMD_ analog_input_Alarm.

Active

Freeze_Stat_Alarm.

Active

Mixed_Temperature_

Sensor_Alarm.Active

OAD_AMD_analog_ input_Alarm.Active


Output


Output


Output

Comp Circ A High Pressure


Comp Circ A Low Pressure


Comp Circ B High Pressure


Comp Circ B Low Pressure


Damper End Switch Alarm

(0=Normal 1=Alarm)

Drain Pan Alarm (0=Normal

1=Alarm)

Exhaust Fan 1 CFM Analog

Input Alarm (0=Normal

1=Alarm)

Freeze Stat Alarm

(0=Normal 1=Alarm)

Mixed Temperature Sensor


OAD CFM Analog Input


ACTIVE

TEXT

Active

Active

Active

Active

Active

Active

Active

Active

Active

Active

Alarm

Alarm

Alarm

Alarm

Alarm

Alarm


INACTIVE

TEXT

OBJECT

INSTANCE

Binary Inputs - Read Only

BACNET

OBJECT

TYPE

ACCESS

Inactive

Inactive

Inactive

Inactive

Inactive

Inactive

Inactive

3

4

5

6

21

22

52

BI

BI

BI

BI

BI

BI

BI

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite


Inactive

Inactive

Inactive

Normal

Normal

Normal

Normal

Normal

Normal

123

124

125

395

396

397

398

420

422

BV

BV

BV

BV

BV

BV

BV

BV

BV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

Alarm Normal 424 BV

ReadCOV_

NoWrite

Alarm

Alarm

Alarm

Normal

Normal

Normal

441

502

506

BV

BV

BV

ReadCOV_

NoWrite

ReadCOV_

NoWrite

ReadCOV_

NoWrite

HYST INDEX

MODBUS

REGISTER

TYPE

SIZE

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

10052 Discrete

10053 Discrete

10054 Discrete

10055 Discrete

10070 Discrete

10071 Discrete

10101 Discrete

10176 Discrete

10177 Discrete

10178 Discrete

10346 Discrete

10347 Discrete

10348 Discrete

10349 Discrete

10371 Discrete

10372 Discrete

10374 Discrete

10391 Discrete

10452 Discrete

10456 Discrete


®

Appendix F: Factory ModBus Connections

E ABL C DED IEL SH

®


Our Commitment

As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications without notice.

Specific Greenheck product warranties are located on greenheck.com within the product area tabs and in the

Library under Warranties.

AMCA Publication 410-96, Safety Practices for Users and Installers of Industrial and Commercial Fans, provides additional safety information. This publication can be obtained from AMCA International, Inc. at www.amca.org.

®

Phone: 715.359.6171 • Fax: 715.355.2399 • Parts: 800.355.5354 • E-mail: [email protected] • Website: www.greenheck.com

56 484279 • Microprocessor Controller, Rev. 1, February 2020 Copyright 2020 © Greenheck Fan Corporation

Greenheck 484279 Microprocessor Controller DOAS v4.001 February 2020 Installation and Operation Manual

Document 484279

Microprocessor Controller for

Dedicated Outdoor Air System

Reference Guide for Microprocessor Controller

Program Features

Pre-Programmed Operating Sequences

Occupancy Modes

BMS Communication

Remote Unit Access (if equipped)

Built-In Occupancy Schedule

WARNING

Alarm Management

WARNING

Set Point Control (Occupied)

Set Point Control (Unoccupied)

Heating

Cooling

Air Source Heat Pump

Economizer

Dehumidification

Reheat

Supply Fan VFD Sequence

Exhaust Fan VFD Sequence

Outside Air and Recirculated (Recirc) Air

Damper Control

Energy Recovery Wheel Sequences

Alarms

Setup

Display

Initial Setup and Communication Configuration

Baud Rate Setting

Occupancy Override Time Adjustment

Display and Navigation

Our Commitment

Related manuals

Table of contents

Greenheck 484279 Microprocessor Controller DOAS v4.001 February 2020 Installation and Operation Manual

Document 484279

Microprocessor Controller for

Dedicated Outdoor Air System

Reference Guide for Microprocessor Controller

Program Features

Pre-Programmed Operating Sequences

Occupancy Modes

BMS Communication

Remote Unit Access (if equipped)

Built-In Occupancy Schedule

WARNING

Alarm Management

WARNING

Set Point Control (Occupied)

Set Point Control (Unoccupied)

Heating

Cooling

Air Source Heat Pump

Economizer

Dehumidification

Reheat

Supply Fan VFD Sequence

Exhaust Fan VFD Sequence

Outside Air and Recirculated (Recirc) Air

Damper Control

Energy Recovery Wheel Sequences

Alarms

Setup

Display

Initial Setup and Communication Configuration

Baud Rate Setting

Occupancy Override Time Adjustment

Display and Navigation

Our Commitment

Related manuals

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valent

VX Series

Greenheck

485936 Microprocessor Controller DOAS v8.1

Greenheck

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Greenheck

481941 Microprocessor Controller TAP v2.40 October 2016

Greenheck

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Greenheck

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Greenheck

479343 Microprocessor Controller TAP v2.20 July 2014

Greenheck

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Table of contents