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Microprocessor Controller for DOAS

Binary Values - Read Only

Occupied

Occupied Status.

Occupied

Unoccupied

ReadCOV_

NoWrite

10002

Discrete

Unoccupied

Unoccupied Status.

Unoccupied

Occupied

ReadCOV_

NoWrite

10003

Discrete

Unoccupied_Cooling_

Call

Unoccupied Cooling Call

Status

Active

Inactive

ReadCOV_

NoWrite

10004

Discrete

Unoccupied_

Dehumidification_Call

Unoccupied

Dehumidification Call

Status

Active

Inactive

ReadCOV_

NoWrite

10005

Discrete

Unoccupied_Heating_

Call

Unoccupied Heating Call

Status

Active

Inactive

ReadCOV_

NoWrite

10006

Discrete

Occupied_Start

Occupied Start Command

Status

Active

Inactive

ReadCOV_

NoWrite

10007

Discrete

Unoccupied_Start

Unoccupied Start Command

Status

Active

Inactive

ReadCOV_

NoWrite

10008

Discrete

Enable_Controls

Status to indicate startup

is complete and the unit is

ready.

Enabled

Disabled

ReadCOV_

NoWrite

10009

Discrete

Global_Alarm

General alarm point.

Optionally set to indicate

any alarm is active, or a

shutdown alarm is active.

Alarm

Normal

ReadCOV_

NoWrite

10010

Discrete

System_Shutdown_

Alarm

Shutdown alarm status.

When true, System Enable
will be set to false and the

unit will remain off.

Shutdown

Normal

ReadCOV_

NoWrite

10011

Discrete

Damper_Open

Indicates there is a open

air path and the supply fan

can run.

Open

Closed

ReadCOV_

NoWrite

10012

Discrete

Cooling_is_On

Indicates that the unit is

cooling.

Active

Inactive

ReadCOV_

NoWrite

10013

Discrete

Economizer_is_On

Indicates that the unit is

economizing.

Active

Inactive

ReadCOV_

NoWrite

10014

Discrete

Heating_is_On

Indicates that the unit is

heating.

Active

Inactive

ReadCOV_

NoWrite

10015

Discrete

Dehumidification_

Mode_Enabled

Indicates that the unit is

dehumidifying.

Active

Inactive

ReadCOV_

NoWrite

10017

Discrete

Manual_Override_

Active

Indicates that manual

overrides are active.

Override

Normal

ReadCOV_

NoWrite

10018

Discrete

Cooling_Not_Locked_

Out

Indicates that cooling is

allowed.

Allowed

Locked_

Out

ReadCOV_

NoWrite

10019

Discrete

Heating_Not_Locked_

Out

Indicates that heating is

allowed.

Allowed

Locked_

Out

ReadCOV_

NoWrite

10020

Discrete

Preheat_Not_Locked_

Out

Indicates that preheat is

allowed.

Allowed

Locked_

Out

ReadCOV_

NoWrite

10022

Discrete

HGRH_Purging

Indicates that the hot gas

reheat value is purging.

Active

Inactive

ReadCOV_

NoWrite

10023

Discrete

Allow_Dampers

Startup sequence command

to open dampers

Yes

ReadCOV_

NoWrite

10029

Discrete

Allow_Exhaust_Fans

Startup sequence command

to trigger exhaust fans to

start

Yes

ReadCOV_

NoWrite

10030

Discrete

Allow_Supply_Fans

Startup sequence command

to trigger supply fans to

start

Yes

ReadCOV_

NoWrite

10034

Discrete

BMS_Watchdog_Active

Status of the BMS

watchdog ping.

Active

Inactive

ReadCOV_

NoWrite

10035

Discrete

BMS_Occupancy_

Status

Status of the BMS

occupancy command.

Occupied

Unoccupied

ReadCOV_

NoWrite

10036

Discrete

Compressor_1_

Enable_Digital_Output

Compressor 1 Enable

Digital Output

Active

Inactive

111

ReadCOV_

NoWrite

10164

Discrete

Compressor_2_

Enable_Digital_Output

Compressor 2 Enable

Digital Output

Active

Inactive

112

ReadCOV_

NoWrite

10165

Discrete

Compressor_3_

Enable_Digital_Output

Compressor 3 Enable

Digital Output

Active

Inactive

113

ReadCOV_

NoWrite

10166

Discrete

Appendix: Points List

VARIABLE DESCRIPTION

ACTIVE

TEXT

INACTIVE

TEXT

BACNET MODBUS

OBJECT

INSTANCE

OBJECT

TYPE

ACCESS HYST

INDEX

TYPE

SIZE

Summary of Contents for c.pCOe

Page 1: ...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 Alarm...

Page 2: ...Example of Web User Interface 13 Main Menu 14 Unit Status Overview 15 17 Unit Enable 18 Menus Control Variables Temp Control 18 20 Dehumidification 20 21 Refrigeration 22 Damper Control 22 23 Energy...

Page 3: ...hutdown 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 setpoint m...

Page 4: ...he unit is enabled when the room temperature is greater than the unoccupied cooling setpoint plus differential 80 F 5 F The supply air temperature setpoint will be set to the supply minimum reset limi...

Page 5: ...is wired to the controller Supply 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 supply fan speed Optional Spa...

Page 6: ...ir stream Stop Wheel When economizer mode is enabled and there is a signal for cooling the wheel will stop rotating to allow free cooling Modulate Wheel When economizer mode is enabled and there is a...

Page 7: ...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 a...

Page 8: ...alog Output 24VAC for Analog Outputs Outdoor Relative Humidity Sensor Duct Pressure Sensor Building Pressure Sensor Room RH After Cold Coil Temperature Sensor CO2 Sensor Sensor B1 B2 B3 Commons Supply...

Page 9: ...Outputs Outdoor Relative Humidity Sensor Supply Fan VFD Output Outdoor Air Damper Output Refrigerant Pressure Circuit A Supply Discharge Air Temperature Sensor B1 B2 B3 Commons After Cold Coil Temper...

Page 10: ...4 VAC Power Heating Output Exhaust Fan VFD Output Energy Recovery Output Space Temperature Mixed Air Temperature Exhaust Air Temperature Space Static Pressure Supply Air Duct Static Pressure Space Set...

Page 11: ...s Address Switches 24 VAC High Speed Fan 24 VAC Ignition Controller pCOe High Turndown Furnace Low Speed Pressure Switch Main Gas Valve Small Manifold Main Gas Valve Large Manifold Ignition Controller...

Page 12: ...navigate menus screens Press after entering a variable to decrease the current value Virtual keypad display on web interface only These two buttons on the virtual keypad display are used to simulate t...

Page 13: ...graphic monitoring points and active setpoint adjustment Alarm Shows current and cleared alarms Unit Display Mimics the unit controller display Allows the user full access to the controller without p...

Page 14: ...pressure Heating Dehumidi cation Static pressure Refrigeration Compressor Control Alarm History Pressure Control Clear History Damper Control Export History Energy Recovery Fan Control Supply Fan Con...

Page 15: ...STATUS 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 vie...

Page 16: ...set calculation SUPPLY SETPOINT Displays current supply temperature and supply temperature setpoint to be achieved ECONOMIZER RAMP The economizer ramp screen will be active if the unit is configured f...

Page 17: ...dew point Available during unoccupied mode HGRH RAMP OUTPUT This screen will display overall hot gas reheat status which includes active setpoint supply air discharge temperature hot gas reheat enabl...

Page 18: ...a constant value e g 72 F Reference Temperature Setpoint screen for setpoint adjustment Space Reset The controller will reset the supply air temperature set point to maintain the room temperature set...

Page 19: ...he reset control mode The heat cool deadband allows for separate cooling and heating setpoints when the reset control mode is set for space reset or return air reset SUPPLY SETPOINTS Cooling and heati...

Page 20: ...e 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 t...

Page 21: ...e 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...

Page 22: ...with a DCV CO2 and an economizer sequence the OA damper set point will react to an economizer demand even if the CO2 set point is satisfied Likewise if economizer is not available but CO2 is above se...

Page 23: ...the economizer enthalpy setpoint Comparative Dry Bulb Economizing is allowed when outside temperature is less than the space or return temperature Comparative Enthalpy Economizing is allowed when out...

Page 24: ...t 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 THIS...

Page 25: ...Pressure Fan speed is determined by building pressure control loop CO2 Fan speed is determined by CO2 control loop Single Zone VAV The supply fan is modulated in addition to the supply air temperatur...

Page 26: ...r to the VFD 25 Speed Min speed 100 Speed Max speed Possible Setpoint Sources Local The fan speed will be constant set from screen e g 100 BMS The BMS can directly control the fan speed requires BMS c...

Page 27: ...n unoccupancy mode Schedule Allows the user to set an occupancy schedule for each individual day of the week THIS SCREEN DISPLAYS UNOCCUPIED START ENABLE MODES This screen only appears if unit is prov...

Page 28: ...w buttons to turn the unit on or off THIS SCREEN ALLOWS THE USER TO OVERRIDE OCCUPANCY CONTROL When manual override is set to enable use the arrow buttons to change occupancy control THIS SCREEN ALLOW...

Page 29: ...RATION 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 THIS SCREEN ALLOWS...

Page 30: ...tory The Network Settings Menus allows the user to view and modify network settings The service password 9998 is required to make changes Control Variables Advanced Network Settings THIS SCREEN ALLOWS...

Page 31: ...o accept adjusted value 4 Once desired parameters have been entered enable the Save Settings option and press the enter button 5 Reboot the controller by cycling power to the unit Allow several minute...

Page 32: ...bles 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...

Page 33: ...ons to ll the Restore checkbox This action restores the backup le If there is an error during the process the speci c error is displayed on this screen 8 Cycle power to the controller From internal me...

Page 34: ...w and modify controller input and output points THIS SCREEN ALLOWS THE USER TO VIEW AND CHANGE THE EXHAUST FAN CONTROL TYPE Reference control variables for possible exhaust fan control methods THIS SC...

Page 35: ...AL Descriptions IG no flame 3 try AL Indicates a furnace failure to light or properly sense flame after 3 trials Alarm only IG combustion fan high pressure switch failure Indicates a call for high spe...

Page 36: ...lay Type 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...

Page 37: ...og Outputs 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 config...

Page 38: ...o provides the functionality to average up to 4 temperature readings through the microprocessor The room thermostat is shipped loose with installation by others and is a Modbus connected device Room t...

Page 39: ...operating properly Red indicates that there is a problem with the unit Network LED Flashing Red Slowly indicates that there has been no communications for 60 seconds Flashing Green Slowly indicates th...

Page 40: ...ut 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 u...

Page 41: ...oWrite 0 1 30355 Input 2 Space_Static_ Pressure_Analog_Input Space Static Pressure 94 AI ReadCOV_ NoWrite 0 01 30365 Input 2 Supply_Duct_Static_ Pressure_Analog_Input Supply Duct Static Pressure 95 AI...

Page 42: ...Economizer_Temp_ Enable_Setpoint Economizer Ambient Temp Enable Setpoint Allow Econ when OAT Spt 16 AV ReadCOV_ Commandable 0 40031 Holding 2 Economizer_Enthalpy_ Enable_Setpoint Economizer Enthalpy...

Page 43: ...l 136 AV ReadCOV_ Commandable 0 1 40089 Holding 2 Outside_Air_Damper_ Minimum_Setpoint Outside Air Damper Minimum Setpoint 137 AV ReadCOV_ Commandable 1 40091 Holding 2 Aux_BMS_Analog_ Output_1 BMS Co...

Page 44: ...ReadCOV_ NoWrite 1 30023 Input 2 Head_Pressure_ Control_Ramp_2_ Ramp Head Pressure Control Ramp 2 52 AV ReadCOV_ NoWrite 1 30025 Input 2 Heating_Ramp Heating Ramp 60 AV ReadCOV_ NoWrite 1 30041 Input...

Page 45: ...Analog Output 235 AV ReadCOV_ NoWrite 0 1 30523 Input 2 Hot_Water_Valve_1_ Analog_Output Hot Water Valve 1 Analog Output 236 AV ReadCOV_ NoWrite 0 1 30525 Input 2 Mod_Gas_Furnace_1_ Analog_Output Mod...

Page 46: ...y Command True Unoccupied False Occupied Unoccupy Occupy 3 BV Read_ Commandable 0 4 Coil Reset_All_Alarms Alarm Reset Command Reset Normal 4 BV Read_ Commandable 0 5 Coil Outside_RH_Source_ BMS Outsid...

Page 47: ...ve 29 BV ReadCOV_ NoWrite 0 10015 Discrete Dehumidification_ Mode_Enabled Indicates that the unit is dehumidifying Active Inactive 31 BV ReadCOV_ NoWrite 0 10017 Discrete Manual_Override_ Active Indic...

Page 48: ...Board_2_ Alarm Active Expansion Board 2 Alarm 0 Normal 1 Alarm Alarm Normal 435 BV ReadCOV_ NoWrite 0 10385 Discrete Expansion_Board_3_ Alarm Active Expansion Board 3 Alarm 0 Normal 1 Alarm Alarm Norm...

Page 49: ...EVD_1 Active EVD EEPROM Alarm 0 Normal 1 Alarm Alarm Normal 594 BV ReadCOV_ NoWrite 0 10544 Discrete Al_EEV_A_EVD_1 Active ExV Motor Alarm Valve 1 0 Normal 1 Alarm Alarm Normal 595 BV ReadCOV_ NoWrite...

Page 50: ...COV_ NoWrite 0 10679 Discrete Binary Values Commandable Aux_BMS_Digital_ Output_1 BMS Commanded auxilary digital output Active Inactive 207 BV ReadCOV_ Commandable 0 24 Coil Aux_BMS_Digital_ Output_2...

Page 51: ...Exhaust Fan Speed Remote Command Analog Input value 143 AI ReadCOV_ NoWrite 1 30455 Input 2 Supply_Fan_Speed_ Analog_Input Supply Fan Speed Remote Command Analog Input value 155 AI ReadCOV_ NoWrite 1...

Page 52: ..._Alarm Active Comp Circ A Low Pressure Alarm 0 Normal 1 Alarm Alarm Normal 396 BV ReadCOV_ NoWrite 0 10347 Discrete Comp_Circ_B_High_ Pressure_Alarm Active Comp Circ B High Pressure Alarm 0 Normal 1 A...

Page 53: ...ER FURNACE CONTROL CENTER OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL ROOM THERMOSTAT 1 ROOM THERMOSTAT 2 ROOM THERMOSTAT 3 ROOM THERMOSTAT 4 OPTIONAL OPTIONAL OPTIONAL OPTIONAL SHIELDED NETB GND PWR...

Page 54: ...__________ _________________________________________________ _________________________________________________ Date ___________________Time _____________ AM PM Notes __________________________________...

Page 55: ...__________ _________________________________________________ _________________________________________________ Date ___________________Time _____________ AM PM Notes __________________________________...

Page 56: ...warranties are located on greenheck com within the product area tabs and in the Library under Warranties Phone 715 359 6171 Fax 715 355 2399 Parts 800 355 5354 E mail gfcinfo greenheck com Website ww...

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