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Valent VX Series Controller

44

VARIABLE 

DESCRIPTION 

ACTIVE 

TEXT

INACTIVE 

TEXT

BACNET 

MODBUS

OBJECT 

INSTANCE

OBJECT  

TYPE 

ACCESS 

HYST 

INDEX 

REGISTER 

TYPE 

SIZE

Analog Values - Read/Write - Commandable

Temperature_Set Point

Main Temperature Set 

point. Supply, Space, or 

Return target temperature

1

AV

ReadCOV_

Commandable

0

40001

Holding

2

Temperature_Heat_

Cool_Deadband

Heat/Cool Spt Deadband 

when Room or Return 

control is active. Clg Spt = 

Deadband /2 + Temp Spt. 

Htg Spt = Deadband /2 - 

Temp Spt.

2

AV

ReadCOV_

Commandable

0

40003

Holding

2

Cooling_Coil_Set 

Point_Min

Cooling Coil Leaving Air 

Set Point

3

AV

ReadCOV_

Commandable

0

40005

Holding

2

Dehumidification_Set 

Point

Dehumidification Set Point. 

%RH for Space or Return 

control.

5

AV

ReadCOV_

Commandable

0

40009

Holding

2

Outside_Dewpoint_Set 

Point

Outside Dewpoint 

Dehumidification Trigger 

Set Point

6

AV

ReadCOV_

Commandable

0

40011

Holding

2

Indoor_Dewpoint_Set 

Point

Indoor Dewpoint 

Dehumidification Trigger 

Set Point

7

AV

ReadCOV_

Commandable

0

40013

Holding

2

Unocc_Indoor_

Dewpoint_Set Point

Unoccupied Indoor 

Dewpoint Dehumidification 

Trigger Set Point

9

AV

ReadCOV_

Commandable

0

40017

Holding

2

Unoccupied_Cooling_

Set Point

Unoccupied Cooling Set 

Point

10

AV

ReadCOV_

Commandable

0

40019

Holding

2

Unoccupied_

Dehumidification_Set 

Point

Unoccupied 

Dehumidification %RH Set 

Point

11

AV

ReadCOV_

Commandable

0

40021

Holding

2

Unoccupied_Heating_

Set Point

Unoccupied Heating Set 

Point

12

AV

ReadCOV_

Commandable

0

40023

Holding

2

Economizer_Temp_

Enable_Set Point

Economizer Ambient Temp 

Enable Set Point. Allow 

Econ when OAT<Spt

16

AV

ReadCOV_

Commandable

0

40031

Holding

2

Economizer_Enthalpy_

Enable_Set Point

Economizer Enthalpy 

Enable Set Point. 

Allow Econ when OA 

Enthalpy<Spt

17

AV

ReadCOV_

Commandable

0

40033

Holding

2

Outside_RH_from_

BMS

Outside RH from BMS. Used 

when source selection is 

set to BMS.

21

AV

ReadCOV_

Commandable

0.1

40041

Holding

2

Outside_Temp_from_

BMS

Outside Temp from BMS. 

Used when source selection 

is set to BMS.

22

AV

ReadCOV_

Commandable

0.1

40043

Holding

2

Return_RH_from_BMS

Return RH from BMS. Used 

when source selection is 

set to BMS.

23

AV

ReadCOV_

Commandable 

0.1

40045

Holding

2

Return_Temp_from_

BMS

Return Temp from BMS. 

Used when source selection 

is set to BMS.

24

AV

ReadCOV_

Commandable 

0.1

40047

Holding

2

Space_1_CO2_from_

BMS

Space 1 CO2 from BMS. 

Used when source selection 

is set to BMS.

25

AV

ReadCOV_

Commandable

0.1

40049

Holding

2

Space_RH_from_BMS

Space RH from BMS. Used 

when source selection is 

set to BMS.

28

AV

ReadCOV_

Commandable

0.1

40055

Holding

2

Space_Static_from_

BMS

Space Static from BMS. 

Used when source selection 

is set to BMS.

29

AV

ReadCOV_

Commandable

0.1

40057

Holding

2

Space_Temp_from_

BMS

Space Temp from BMS. 

Used when source selection 

is set to BMS.

30

AV

ReadCOV_

Commandable

0.1

40059

Holding

2

Cooling_Lockout_Set 

Point

Cooling Ambient Lockout 

Set Point

31

AV

ReadCOV_

Commandable

0.1

40061

Holding

2

Heating_Lockout_Set 

Point

Heating Ambient Lockout 

Set Point

32

AV

ReadCOV_

Commandable

0.1

40063

Holding

2

Space_Static_

Pressure_Set Point

Space Static Pressure Set 

Point

37

AV

ReadCOV_

Commandable

0.1

40073

Holding

2

Appendix E: Points List

Содержание VX Series

Страница 1: ...arm up and cool down capability for improved comfort at the time of occupancy Alarm Management The microprocessor controller will monitor the unit s status for alarm conditions Upon detecting an alarm...

Страница 2: ...trol 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...

Страница 3: ...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 th...

Страница 4: ...pied cooling set point Unoccupied Dehumidification If equipped with cooling the unit is enabled when the space relative humidity exceeds the unoccupied space relative humidity set point plus different...

Страница 5: ...suction temperature the outside ambient temperature and or the outside humidity determine when a defrost initiates and terminates Initiation One of the following must be true for a defrost cycle to i...

Страница 6: ...nd 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 Constant Volume Supply fan operates at a constant...

Страница 7: ...air stream Modulate Wheel When economizer mode is enabled and there is a call for cooling the controller Sequence of Operation modulates wheel speed to maintain the supply temperature set point Energy...

Страница 8: ...24VAC for Analog Outputs Outdoor Relative Humidity Sensor Duct Pressure Sensor Building Pressure Sensor Room RH After Cold Coil Temperature Sensor CO2 Sensor Sensor U1 U2 U3 Common Supply Discharge Te...

Страница 9: ...Supply Discharge Air Temperature Sensor B1 B2 B3 Commons After Cold Coil Temperature Sensor Outdoor Air Temperature Sensor 24VAC to Controller Staged Compressor 1 24 VAC When Unit On Staged Compresso...

Страница 10: ...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 Wheel...

Страница 11: ...dress 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 Ala...

Страница 12: ...ess 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 k...

Страница 13: ...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 f...

Страница 14: ...on Static pressure Refrigeration Compressor Control Reset History Pressure Control Clear History Heat Pump Control Export History Damper Control Energy Recovery Fan Control Supply Fan Control Exhaust...

Страница 15: ...verrides Active Expansion Offline Input Output Status Displays real time conditions from sensors located in the unit and building space if equipped with space mounted sensors Controller output conditi...

Страница 16: ...een 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 Economizer Ramp The economizer ramp...

Страница 17: ...n 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...

Страница 18: ...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...

Страница 19: ...harge 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...

Страница 20: ...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 Supply Set Points Cooling and heating supply set points...

Страница 21: ...g Example If set point 60 F unoccupied heating is enabled when space temperature equals 60 F and below Unoccupied heating is disabled when space temperature is above 65 F Menu Winter Ramp The winter r...

Страница 22: ...et points can be adjusted over the BMS Dehumidification Mode Unoccupied If the unit is unoccupied while there is a dehumidification call the unit will start and dehumidify until the unoccupied dehumid...

Страница 23: ...F 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 t...

Страница 24: ...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 m...

Страница 25: ...For example if a unit is equipped 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...

Страница 26: ...ry Wheel Jog Function 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 Momentar...

Страница 27: ...ure control loop Space 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...

Страница 28: ...from the controller to the VFD 25 Speed Min speed 100 Speed Max speed Set Point Selections Constant Volume The fan speed will be constant set from screen e g 100 BMS The BMS can directly control the f...

Страница 29: ...s remain in unoccupancy mode Schedule Allows the user to set an occupancy schedule for each individual day of the week Unoccupied Start Enable Modes This screen only appears if unit is provided with u...

Страница 30: ...to turn the unit on or off Override Occupancy Control When manual override is set to enable use the arrow buttons to change occupancy control Override the Supply Fan VFD Speed The speed is the propor...

Страница 31: ...or 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 Override the Modulating...

Страница 32: ...s 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 comp...

Страница 33: ...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 para...

Страница 34: ...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 Watchdog Th...

Страница 35: ...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...

Страница 36: ...y 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 Control Variables...

Страница 37: ...ler Alarm only Pressure switch closed with combustion fan off Indicates low pressure switch was closed with no call for combustion fan Alarm only Combustion fan not proved Indicates a call for low spe...

Страница 38: ...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 a...

Страница 39: ...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 configuri...

Страница 40: ...lso 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 Roo...

Страница 41: ...erating 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 that...

Страница 42: ...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 t...

Страница 43: ...log_ Input Space Relative Humidity 89 AI ReadCOV_ NoWrite 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_ Pres...

Страница 44: ...omizer_Temp_ Enable_Set Point Economizer Ambient Temp Enable Set Point Allow Econ when OAT Spt 16 AV ReadCOV_ Commandable 0 40031 Holding 2 Economizer_Enthalpy_ Enable_Set Point Economizer Enthalpy En...

Страница 45: ...Signal_ BMS Allows the BMS to control OAD position True BMS False Local 136 AV ReadCOV_ Commandable 0 1 40089 Holding 2 Outside_Air_Damper_ Minimum_Set Point Outside Air Damper Minimum Set Point 137 A...

Страница 46: ...Fan Supply Tracking Ramp 50 AV ReadCOV_ NoWrite 1 30021 Input 2 Head_Pressure_ Control_Ramp_1_ Ramp Head Pressure Control Ramp 1 51 AV ReadCOV_ NoWrite 1 30023 Input 2 Head_Pressure_ Control_Ramp_2_ R...

Страница 47: ...rite 0 1 30517 Input 2 Exhaust_Fan_Speed_ Analog_Output Exhaust Fan Speed Analog Output 231 AV ReadCOV_ NoWrite 0 1 30521 Input 2 Hot_Gas_Reheat_ Analog_Output Hot Gas Reheat Analog Output 235 AV Read...

Страница 48: ...0 3 Coil BMS_Occupancy_ Command Occupancy 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_ Commandabl...

Страница 49: ...ing Active Inactive 28 BV ReadCOV_ NoWrite 0 10014 Discrete Heating_is_On Indicates that the unit is heating Active Inactive 29 BV ReadCOV_ NoWrite 0 10015 Discrete Dehumidification_ Mode_Enabled Indi...

Страница 50: ...ure Analog Input Alarm Alarm Normal 319 BV ReadCOV_ NoWrite 10270 Discrete Circuit_A_Suction_ Temp_Analog_Input_ Alarm Active Circuit A Suction Temp Analog Input Alarm Alarm Normal 320 BV ReadCOV_ NoW...

Страница 51: ...m Error Alarm 0 Normal 1 Alarm Alarm Normal 567 BV ReadCOV_ NoWrite 0 10517 Discrete Wheel_Rotation_ Alarm Active Wheel Rotation Alarm 0 Normal 1 Alarm Alarm Normal 576 BV ReadCOV_ NoWrite 0 10526 Dis...

Страница 52: ...al 617 BV ReadCOV_ NoWrite 0 10567 Discrete Al_SuctHiP_COMP_1 Active Compressor Envelope SuctHiP_COMP 0 Normal 1 Alarm Alarm Normal 618 BV ReadCOV_ NoWrite 0 10568 Discrete Al_SuctLowP_ COMP_1 Active...

Страница 53: ...adCOV_ NoWrite 1 30195 Input 2 Large Board Points Binary Values Read Only High_Low_Press_ Circ_A_Alarm Active High Low Pressure Switch Alarm Circuit A Alarm Normal 733 BV ReadCOV_ NoWrite 0 10682 Disc...

Страница 54: ...ive 124 BV ReadCOV_ NoWrite 0 10177 Discrete Condenser_Fan_7_ Digital_Output Condenser Fan 7 Digital Output Active Inactive 125 BV ReadCOV_ NoWrite 0 10178 Discrete Comp_Circ_A_High_ Pressure_Alarm Ac...

Страница 55: ...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 N...

Страница 56: ...ics that shipped with your unit They can typically be found attached to the main control panel door Mechanical and Controls Manuals Find current mechanical and controls manuals here www valentair com...

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