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1.800.627.4499

DN-Series Integrated Programmable Controls

DOAS

TEMPERING CONTROL

6.2.1 Dehumidification Types and Settings
There are four possibilities for dehumidification:
1. Cooling with Hot Gas Reheat. In this case the HGRH will be enabled in the above screen.
2. Cooling with Reheat performed by the heating source.
3. Cooling only. This mode could produce very cold air that might be uncomfortable if fed
directly to an occupied space.
4. Disabled. In this case no dehumidification mode is available.

6.2.1.1 Dehumidification with Hot Gas Reheat
This dehumidification method requires DX cooling. It relies on an additional HGRH coil
downstream of the cooling coil in which the hot refrigerant piping is in contact with the supply
airstream. This allows a portion of the refrigerant cycle's normally rejected heat to be reclaimed
as reheat.
When the return (or outdoor) air dew point exceeds the 55°F (adjustable) the dehumidification
mode will be enabled. The air is cooled to a cooling coil leaving temperature setpoint, usually
55°F or below. Then it is reheated to a CA temperature setpoint, usually around 60°F. An
adjustable PI loop will compare the measured air temperature to the air temperature setpoint
and adjust the analog output to the valve.
If the unit was ordered with HGRH, the coil leaving temperature sensor was included.

NOTE: For pack-
aged DX units, the
HGRH valve will
open to 25% during

compressor start up.

SA

T

T

DX Cooling Coil

HGRH Coil

Coil Leaving

Temperature

CA

Temperature

Modulating

HGRH Valve

The settings for this method require that

u

Cool and HGRH are enabled in the

Unit Configuration.

u

A setpoint for the coil leaving temperature and the CA temp are set.

u

KP an Ti settings are adjusted for control of the HGRH valve, if necessary.

u

The purge settings are adjusted, if necessary. These setting show a low % whereby if the

valve is set to the low limit for the low limit time, which could cause oil to settle in the coil.
Opening to a higher value for a period of time will allow the oil to return to the compressor it
will be opened for the high override % for the override time.

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Содержание DN-Series

Страница 1: ...Carel c pCO Mini Carel c pCOe Expansion Board DOAS INTEGRATED PROGRAMMABLE CONTROLS Installation Operation and Maintenance Manual FOR COMMERCIAL DN SERIES...

Страница 2: ...anual applies to DN Series DOAS units with controls version 3 xx xx For previous versions refer to the older manual The version number can be seen on the splash screen when the unit power is cycled Ne...

Страница 3: ...security of the controller and all connected devices IMPORTANT This controller is only for use in protected environments It is not to be exposed to the weather or exposed to extremes in temperature IM...

Страница 4: ...r internal memory a backup file should be created on an external memory device and stored in some convenient place READ AND SAVE THIS MANUAL LIRE ET CONSERVER CE MANUEL NOTE This page is to be complet...

Страница 5: ...0 Heater Size Code 8 is not available when Model Code is DN 5 and Unit Voltage Code is 3 and Fan Control Code is E and Heating Code is E 11 Heater Size Code 9 is not available when Model Code is DN 3...

Страница 6: ...Option 33 5 2 5 CO2 Flow Control Option 33 5 3 OPTIONS FOR EXHAUST FAN CONTROL 34 5 3 1 Constant Fan Speed Option 34 5 3 2 EA Flow Control Option 35 5 3 3 Supply Fan Command Tracking Control Option 35...

Страница 7: ...80 10 1 3 Resetting Alarms 81 10 1 4 Alarm Digital Outputs 81 10 1 5 Specific Alarms and Their Meaning 82 10 1 5 1 General Alarms 82 TABLE OF CONTENTS 10 1 5 2 Supply and Exhaust Alarms 83 10 1 5 3 Ai...

Страница 8: ...4 Dehumidification Control 128 13 9 5 5 Economizer Control 129 13 9 5 6 Unoccupied Control 129 13 9 6 Frost Control 129 13 9 7 Filter Monitoring 129 13 9 8 Exhaust Fan Only Mode 129 14 0 ADVANCED SERV...

Страница 9: ...e 4 2 3 Pressure Differential Transmitter Typ 25 Figure 4 2 4 Electrical Pressure Differential Transmitter 25 Figure 5 1 0 Smoke Detector 28 Figure 5 1 1 Motion Sensor Ceiling Mount 28 Figure 5 1 2 Mo...

Страница 10: ...Fan status via current sensors 5 Monitoring of these values u Outside Air OA Temperature u Outside Air OA Relative Humidity u Return Air RA Temperature u Return Air RA Relative Humidity u Supply Tempe...

Страница 11: ...let that may deliver either conditioned RA or SA The CA outlet is optionally located on either the end wall or the floor u Return Air RA Air that is returned to a heating or cooling appliance from a c...

Страница 12: ...has heating and or cooling there is also a fifth CA sensor that is included but needs to be installed down the duct past the heating and cooling If the unit has a Hot Gas Reheat Coil there will be a s...

Страница 13: ...ON AIR INLET CONE WHEN THE SA FAN IS POSITIONED UPSTREAM OF THE COOLING COIL WHEN THE SA FAN IS POSITIONED DOWNSTREAM OF THE COOLING COIL THE SENSOR IS POSITIONED ON THE CORE LEAVING SIDE OF THE AIRS...

Страница 14: ...er for RUT remote display 4 Remote display or BMS connection 5 Relay digital outputs 6 5V power supply 7 FBUS connection to expansion module 8 Analog outputs 9 Digital inputs 10 Ethernet port 11 Micro...

Страница 15: ...t Baud Address Ext Baud Prot 1 2 3 4 5 FIGURE 2 0 2 EXPANSION MODULE DETAIL 1 24VAC Power 2 Universal inputs outputs 3 Relay digital outputs 4 Serial connector to main controller 5 Dip switches NOTE E...

Страница 16: ...ultiple screens of alarms Pressing and holding the Alarm button for three seconds resets the alarms When a menu or menu item has been highlighted press the ENTER hard button to enter the highlighted s...

Страница 17: ...BMS and an RUT is also desired contact the factory for further information 2 1 2 Connecting Using Internal Web Pages The controller has embedded web pages and when they are accessed an interactive sc...

Страница 18: ...the menu screens click on RUT on the Menu Bar 2 1 3 Setting the PC IP Address For those that are not familiar with changing their PC adapter settings go into Network Setting in the Control Panel and C...

Страница 19: ...ess to get to system menus CONTROLLER OVERVIEW NOTE When you are finished viewing the controller on your computer remember to restore the original settings 2 2 CONTROLLER MENU STRUCTURE Any screen wil...

Страница 20: ...Service Advanced Service Information and Settings 2 2 3 Password Entry To access the password protected service screens press the program bullseye button to get to the screen and enter the user passw...

Страница 21: ...changing the display to the current controller time and date u Change the Time ad Date accordingly Day is automatically generated 4 1 2 Setting the Unit of Measure The controller supports the followin...

Страница 22: ...on periods u Set Special Days 4 2 VERIFY UNIT CONFIGURATION It is important to verify the configuration as the settings on these screens will also determine which screens show up in the user settings...

Страница 23: ...ooling was ordered with the unit but will have to be placed in the duct If the unit dehumidifies and requires reheat with Hot Gas Reheat or the heat source a Coil Leaving Temperature Sensor is require...

Страница 24: ...d on the level of CO2 in the space or duct These sensors provide a 0 10VDC signal scaled as specified in the CO2 VOC scaling screen FIGURE 4 2 1 CO2 SENSOR DUCT MOUNT SIDE VIEW FIGURE 4 2 2 CO2 SENSOR...

Страница 25: ...ssure These sensors provide a 0 10VDC signal scaled as specified in the Duct Pressure scaling screen FIGURE 4 2 3 PRESSURE DIFFERENTIAL TRANSMITTER TYP FIGURE 4 2 4 ELECTRICAL PRESSURE DIFFERENTIAL TR...

Страница 26: ...dress Ext Prot Baud Address Ext Baud Prot EXPANSION MODULE X3 27 X3 26 4 2 7 Coil Leaving Temperature Sensor The Coil Leaving Temperature sensor is automatically enabled if the HGRH or heating reheat...

Страница 27: ...he time is within the scheduler ON time if scheduler enabled u The BMS has written the unit on signal if BMS control is enabled Upon starting the isolation dampers will open The end switches of these...

Страница 28: ...y BMS A BMS command has the cooling locked out Heat Locked Out by BMS A BMS command has the heating locked out Device Test The system is in device test mode for more than an hour Sens Ovrd Active The...

Страница 29: ...cores and bypass compartment for no or limited energy recovery Modulation of the face and bypass dampers allows the CA to maintain a desired air temperature without use of additional cooling In full b...

Страница 30: ...e re calibrated for minimum current draw The fan should be running at its minimum speed When the unit starts this screen will show when the fans are enabled There is a slight delay of a few seconds an...

Страница 31: ...CONTROL Units with a VFD or ECM for the supply fan can control the fan for constant speed SA flow control supply duct static pressure control CO2 VOC control or CO2 Flow control Available modes may de...

Страница 32: ...tant SA flow rate as the unit filters become loaded 5 2 3 Supply Duct Static Pressure Control Option The controller will adjust the supply fan VFD or ECM command to maintain the supply duct static pre...

Страница 33: ...An adjustable PI loop will compare the measured CO2 VOC level to the CO2 VOC setpoint and adjust the fan speed The minimum and maximum fan speed commands are adjustable If the measured CO2 VOC level e...

Страница 34: ...n be used to provide demand controlled ventilation of a space The minimum fan speed will provide the required minimum outdoor air when the CO2 level is at or below the CO2 setpoint OA CFM SETPOINT 140...

Страница 35: ...rate setpoint and adjust the fan speed If the measured EA flow rate varies from the desired airflow rate by more than 10 adjustable for more than 60 seconds adjustable an EA flow rate alarm will be se...

Страница 36: ...t static pressure at a setpoint This mode cannot be used if the supply fan mode is duct static control UNIT OPERATION The return duct static pressure measurement is typically a negative pressure value...

Страница 37: ...ng operation the controller will prevent the heater from running when the Outdoor Air temperature is above the Lockout Above setpoint This causes the DN unit to use energy recovery from the RA for hea...

Страница 38: ...is in Control Settings Dehumidification mode will be on at the dehumidification setpoint the hysteresis value set here It will go out of dehumidification mode below the setpoint This screen will not...

Страница 39: ...ed The air is cooled to a cooling coil leaving temperature setpoint usually 55 F or below Then it is reheated to a CA temperature setpoint usually around 60 F An adjustable PI loop will compare the me...

Страница 40: ...erature to the air temperature setpoint and adjust the analog output to the valve The NO1 heating enable contact is engaged whenever the heating output is at 1 or higher To use this method you need to...

Страница 41: ...50 55 F If feeding the space directly this could cause overcooling SA T Cooling CA Temperature The settings for this method require that u Cool is enabled in the Unit Configuration u Set Allow heat s...

Страница 42: ...3 2 Setpoint Type and Control Type For each type of heating you can choose a setpoint type and a control type Setpoint types available u Adjust If you choose this it will allow you to set a heating s...

Страница 43: ...settings This type of heating will modulate gas or electric heat using PI control The KP and Ti can be adjusted to fine tune the control The setpoint is also set here if set for Adjust The NO1 heatin...

Страница 44: ...he mode is determined by the outdoor temperature and the heating lockout temperature settings TEMPERING CONTROL u Command 0 100 to Heater where 0 0VDC output and 100 10VDC output u Heating Status The...

Страница 45: ...nt if unoccupied operation u Reheat setpoint if dehumidification mode and heating is used for reheat u Whether heating enable 1 is ON u Command 0 100 to Heater where 0 10VDC output and 100 0VDC u Heat...

Страница 46: ...ct to prevent over cycling u RA If you are only feeding one space this is a useful control method RA is always used for unoccupied operation RA should also be used for staged cooling 6 4 3 Cooling Typ...

Страница 47: ...URE The cooling status can be monitored in the Unit Status The screen shows u Cooling Control Variable which will be u as selected if in occupied operation u RA for unoccupied operation u Coil Leaving...

Страница 48: ...open less than 100 Econ Mode If in economizer mode Unit OFF Unit is off 6 4 3 2 2 Stage Two Stages of Cooling If this is a two stage heat pump see Combined Tempering The mode is determined by the outd...

Страница 49: ...in dehumidification mode if reheat is not used u Cooling setpoint which will be u Occupied cooling setpoint if in occupied operation not dehumidification u Unoccupied cooling setpoint if unoccupied o...

Страница 50: ...the cooling lockout temperature settings This type of cooling modulates a 0 10VDC chilled water valve using PI control The KP and Ti can be adjusted to fine tune the control The NO4 cooling enable con...

Страница 51: ...econd compressor depending on cooling capacity The KP and Ti can be adjusted to fine tune the control Refer to the DN Series Packaged Refrigeration Supplement for more information on this control The...

Страница 52: ...n start up running at start up speed Interstage delay Compressor off due to interstage delay Stage 2 on due to timer Stage 2 compressor is on for minimum on time Stage 2 off due to timer Stage 2 compr...

Страница 53: ...an signal set to both fans if two are used Additional Screens if the packaged DX unit has a second circuit with an On Off compressor are shown here Expansion Valve 2 Status Number of steps 0 480 perce...

Страница 54: ...0 10VDC Aux Heat This type requires cooling type On Off and heating type HP 1 Stage These type settings are made here or in the Control Settings 6 5 1 1 Heat Pump 1 Stage Mode The mode is determined...

Страница 55: ...option to use axillary heat when the OA is below a certain temperature You must set a hysteresis value whereby the stage will turn on at the setpoint hysteresis and turn at setpoint There is also a m...

Страница 56: ...oop if necessary 6 5 1 5 Heat Pump 1 Stage Reversing Valve The reversing valve controls which direction the refrigerant flows On change of mode i e cool to heat there will be a delay before the compre...

Страница 57: ...de Econ Only If economizer is open less than 100 Econ Mode If in economizer mode Unit OFF Unit is off Aux Heat Mode OA temp is cold enough that the auxiliary heat is used IN HEAT MODE Valve is positio...

Страница 58: ...on and off time to prevent over cycling If in cooling mode and the unit calls for cooling it puts the tempering mode output used for a reversing valve in the cool position and after a delay will turn...

Страница 59: ...is also a minimum on and off time to prevent over cycling If in heating mode and the unit calls for heating it puts the tempering mode output used for a reversing valve in the heat position and after...

Страница 60: ...position Reversing valve settings u Delay This is the delay between the heating and cooling changeover where the compressor will not be turned on to allow the valve to get into position u Contact Ope...

Страница 61: ...Econ Mode If in economizer mode Unit OFF Unit is off Aux Heat Mode OA temp is cold enough that the auxiliary heat is used IN HEAT MODE Valve is positioned for heat mode IN COOL MODE Valve is position...

Страница 62: ...TEMPERING CONTROL 6 5 3 4 VRF Auxiliary Heat If you selected VRF and Mod the unit allows you to use an 0 10VDC auxiliary heat source when the outdoor temperature is very cold The VRF Lowest OA setting...

Страница 63: ...MS or scheduler Unocc Cool Unit is in unoccupied cooling Unocc Heat Unit is in unoccupied heating Heat Locked out by OA The heating OA lockout is higher than the OA temperature Lockout Overlap The OA...

Страница 64: ...RING CONTROL 6 5 4 Dual Temperature Coil The dual temperature coil is a coil which provides heating in the winter and cooling in the summer by changing the temperature of the fluid in the coil To do t...

Страница 65: ...t by OA The cooling OA lockout is lower than the OA temperature Unocc Mode Unit is in unoccupied mode BMS or scheduler Unocc Cool Unit is in unoccupied cooling Unocc Heat Unit is in unoccupied heating...

Страница 66: ...ill modulate the face and bypass dampers using PI control to maintain the CA air temperature or RA temperature based on setting The KP and Ti can be adjusted to fine tune the control The economizer wi...

Страница 67: ...elow The heating will run if the return air is below this temperature u Cooling above The cooling will run if the return air is above this temperature The unit can also be set to perform dehumidificat...

Страница 68: ...and frost control is not required The core has a cold corner in the exhaust at the top in the DN as that RA experiences unconditioned OA over the entire core length that could freeze before the rest o...

Страница 69: ...U5 EXP U6 EXP U7 EXP U8 EXP U9 EXP U10 EXP GND EXP NO 3 EXP NO 4 EXP NO 5 0 10 VDC Input CO2 Level VOC 0 10 VDC Output Bypass Damper 0 10 VDC Input Cooling Coil LAT 0 10 VDC Input Duct Pressure Unit...

Страница 70: ...urns off at the same percentage that the first turned on and the first turns off at setpoint If you set Specify Off Values to YES it will turn them off at the values specified 8 6 ADJUSTMENTS FOR TWO...

Страница 71: ...OAS 8 8 TWO CIRCUIT VRF If the unit is a VRF you are able to select that here You will then see this monitoring screen rather than the standard one SPECIAL FEATURES The second stage will turn on when...

Страница 72: ...nd output Several examples are shown 9 2 CALIBRATING I O For a temperature sensor that may have run a long distance or a humidity sensor with a reading that may have drifted over time a calibration ma...

Страница 73: ...Temperature CAREL NTC Red or White U6 Main Red or White GND Main OA Filter Pressure 0 10VDC Vin Red 24VAC TS1 GND Black GND TS2 Vo White U7 Main RA Filter Pressure 0 10VDC Vin Red 24VAC TS1 GND Black...

Страница 74: ...E TERMINALS CONTROLLER TERMINALS Smoke Detector Dry Contact X2 15 C1 2 X2 16 24VDC ID1 Unit Enable Dry Contact X2 17 ID1 X2 18 Sensor COM ID2 Single Fan Mode Dry Contact X2 19 ID2 X2 18 Sensor COM SF...

Страница 75: ...Enable 2 Dry Contact X1 10 NO2 EXP X1 08 C1 2 EXP Tempering Mode Dry Contact X4 32 NO3 EXP X4 35 C3 4 5 Cooling Enable 1 Dry Contact X4 33 NO4 EXP X4 35 C3 4 5 Cooling Enable 2 Dry Contact X4 34 NO5 E...

Страница 76: ...6 D Y1 Main 01 2 D GND EF Signal 0 10VDC 01 4 D Y2 Main 01 2 D GND Bypass Command 0 10VDC X3 23 Black U4 EXP X3 27 GND HGRH Command 0 10VDC X3 28 Red U8 EXP X4 31 Sensor COM Cooling Command 0 10VDC X...

Страница 77: ...F Transformer COM Transformer COM EF Command Blk EF Command Red EF Command Wht SF Command Red SF Enable Blk SF Enable Red 02 5 A 02 9 A 2 5A F1 X2 20 X3 21 Accy 24 VAC Accy COM X1 1 X4 38 X1 2 X1 4 X1...

Страница 78: ...ID1 ID2 GND High End Ethernet N3 Carel C pCO Mini NTC2 FA Temp Vin Vout GND PS2 OA Filter Press NTC1 EA Temp CS2 EF Current Switch CS1 SF Current Switch TS2 G0 Common Vin Vout GND PS3 RA Filter Press...

Страница 79: ...ooling Stage 2 RED RED BLK BLK NO 4 Accy COM Accy COM Accy 24 VAC X1 4 X1 3 X1 2 X1 1 COM HOT DAMPER2 EA RA COM HOT DAMPER1 OA FA RED BLK EFEN2 OF1 Factory Jumper Factory Jumper SD2 NO 3 Accy COM X1 7...

Страница 80: ...g the Test End Device feature in the service level See the following Test End Devices section for this In other cases problems may be caused by the air handler trying to overcome a pre set or operatin...

Страница 81: ...to reset the User Reset alarms The auto reset alarms reset themselves 10 1 4 Alarm Digital Outputs The controller includes a digital output for remote indication of an alarm condition The first is Ala...

Страница 82: ...mber of retain memory writings This usually means indicates that the BMS is writing to a retained setpoint too often Retained values are stored in a special memory so that they are kept on power loss...

Страница 83: ...haust fan as running Refer to the Supply or Exhaust Fan Alarm Troubleshooting section in the Test End Devices The delay for this alarm is set here The setting is shared with the supply fan This alarm...

Страница 84: ...rm User reset High SA Temp Shutdown 21 Al_EA_StaticPress Auto reset EA Static Pressure Level Alarm Alarm Number 12 Supply Airflow Alarm This alarm occurs when the supply is set to control on supply fl...

Страница 85: ...tic pressure or the exhaust fan is set to control on return static pressure It indicates that the pressure measured is out of tolerance set here for more than the alarm delay set here If the sensor is...

Страница 86: ...t First view the sensor value in Unit Status If it seems OK then check the alarm levels set here Only one will show depending upon whether you have a Unit Supply Temp Sensor The difference in the two...

Страница 87: ...lter Pressure Transducer Alarm 38 Al_OA_Flow_Rate_ Prb Auto reset OA Flow Rate Sensor Error 39 Al_EA_Flow_Rate_ Prb Auto reset EA Flow Rate Sensor Error 40 Al_CO2_Level_Prb Auto reset CO2 VOC Sensor E...

Страница 88: ...ill active verify that the reading is as expected in the Unit Status If not check that someone has not changed the pressure transducer range in the I O Configuration Also check the offset or override...

Страница 89: ...Make sure you cycle power to end test mode and put all values back to zero 10 2 1 Supply or Exhaust Fan Alarm Troubleshooting These alarms 10 and 11 mean that either the fan did not start or that the...

Страница 90: ...itch You can try to adjust it below Adjusting the Current Switch With the dampers open and the fans enabled as described in the Test End Devices mode above set the fan for which you want to calibrate...

Страница 91: ...ied mode u BMS Cool Lockout This means that BMS Heat Cool Mode Is set to Yes in General Settings and the current mode is heat u BMS Heat Lockout This means that BMS Heat Cool Mode Is set to Yes in Gen...

Страница 92: ...eral levels of settings in the controller Some are set by the factory and some are set be users These parameters include all configuration settings fan settings heat cool settings and BMS settings 10...

Страница 93: ...the unit These are somewhat specific settings but going back to these settings will require you to perform start up and commissioning again To return to factory defaults u Choose internal u Set Confi...

Страница 94: ...le the connection was interrupted Input parameter value is not valid The file may not be compatible with the program If the unit does not confirm that the operation was done the controller may have be...

Страница 95: ...both methods at the same time If you are viewing the web pages and then connect with USB the web page will go blank until you disconnect The controller has a built in USB port where an external memor...

Страница 96: ...01 24T08 11 45 00 00 3 Al_BMS_Offline Active Start 2022 01 24T08 10 59 00 00 39 Al_EA_Flow_Rate_Prb Active Start 2022 01 24T08 10 59 00 00 38 Al_OA_Flow_Rate_Prb Active Start 2022 01 24T08 10 55 00 00...

Страница 97: ..._Val OA_Enthalpy SuctTemp_1 Val Bypass_Command Val DscgTemp_1 Val You can view the parameter files that were created in Restore Parameters Settings You can also share them between controllers An excer...

Страница 98: ...lity to connect to the embedded web pages inside the controller 11 4 1 Upgrade Type Connect via USB 1 Save the parameters using the General Save and Restore method Make sure you choose EXPORT Remember...

Страница 99: ...of the thumb drive called UPGRADE 3 Carefully connect the micro USB drive to the front connection of the controller long side to the bottom 4 You will be prompted to press ENTER to proceed 5 Once it...

Страница 100: ...he general system monitoring It is here only to provide a general sense of how to monitor the system Specific screens and information appear depending upon the features you have selected Refer to the...

Страница 101: ...occupied mode Cool Locked Out by BMS A BMS command has the cooling locked out Heat Locked Out by BMS A BMS command has the heating locked out Device Test The system is in device test mode for more tha...

Страница 102: ...status values are shown Multiple values may be true MESSAGE MEANING Heat Locked Out by OA The heating OA lockout is higher than the OA temperature Unocc Mode Unit is in unoccupied mode BMS or schedule...

Страница 103: ...off Locally The refrigeration controller is turned off at the local keypad Serious Alarm Ref Unit The refrigeration unit is off due to a serious alarm Stage 1 off due to timer Stage 1 compressor is of...

Страница 104: ...for mode u Whether dehumidification mode is ON Screen showing economizer information if enabled including u Cooling control value u Cooling setpoint u Whether economizer is active u The economizer da...

Страница 105: ...ng are true As a result any one can turn the unit off u There are no serious alarms u The Digital Input for start stop terminals 17 and 18 are closed u The unit is turned on at the keypad u The time i...

Страница 106: ...maintained on power loss These are referred to as RETAINED For retained values DO NOT write to these values constantly Doing so will flag an alarm and can damage the controller If you have a need to w...

Страница 107: ...d This can be done after all of the other settings Next set the BACnet Device ID This screen allows you to set the ID digit by digit Last set the BACnet port if different from the 47808 BAC0 This scre...

Страница 108: ...the port C pCO n 03 75 5 F Time 12 33 date 07 06 2017 13 4 BACNET OBJECT LIST TYPE INSTANCE VARIABLE NAME DESCRIPTION VALUE RANGE READ WRITE RET Analog Input 0 OA_Temp Val OA Temperature F Read_NoWri...

Страница 109: ...er Alarm Level iwc Read_Writeable X Analog Value 37 SF_ConstSpeedSetP Val SF Const Speed Setpoint Read_Writeable X Analog Value 38 SF_FlowControlSetP Val SF Flow Control Setpoint CFM Read_Writeable X...

Страница 110: ...oint F Read_Writeable X Analog Value 71 Unocc_HTG_Setp Val Unoccupied Heating Setpoint F Read_Writeable X Analog Value 73 Dehumid_Changeover_ SetP Val Dehumidification Changeover Setpoint F dew point...

Страница 111: ...ntrol On Status Off On Read_NoWrite Binary Input 72 Any_Alarm_Out Val Any Alarm is True Status OK Alarm Read_NoWrite Binary Input 499 SeriousAlarm_RefUnit Alarm in Refrigeration Unit OK Alarm Read_NoW...

Страница 112: ...OK Alarm Read_NoWrite Binary Input 534 Al_SA_Temp_Prb Active SA Temperature Sensor Open or Short OK Alarm Read_NoWrite Binary Input 535 Al_EA_Temp_Prb Active EA Temperature Sensor Open or Short OK Al...

Страница 113: ...ble_1 Val Heating Stage 1 BMS Enable Off On Read_Writeable MultiState Input 2 SF_ControlType_BN SF_ControlType_BN See Notes Read_NoWrite MultiState Input 3 EF_ControlType_BN EF_ControlType_BN See Note...

Страница 114: ...e following are available u Analog Input 0 OA_Temp Val u Analog Input 1 OA_Hum Val u Analog Input 2 RA_Temp Val u Analog Input 3 RA_Hum Val u Analog Input 4 EA_Temp Val u Analog Input 5 SA_Temp Val EA...

Страница 115: ...low rate is viewed at Analog input 7 EA_Flow_Rate Val 13 5 5 Tempering Control The DN DOAS unit may provide heating and cooling dehumidification if ordered as such For heating and or cooling there wil...

Страница 116: ...d at Multistate Input 4 HTG_ControlType_BN The valid values are 1 0 10V 2 10 0V 3 VRF 4 1 stage 5 2 stage 6 VRF Mod 7 Dual Temp Coil The setpoint is Analog Value 55 Occ_HTG_SetP Val if adjustable setp...

Страница 117: ...it or inhibit the exchange of energy The mechanical cooling is not allowed until the bypass is open 100 During this time the unit still uses 100 outdoor air Economizing is allowed when both of the fol...

Страница 118: ...A_Flt_Press Val and Analog Input 25 OA_Flt_Press Val Filter alarm levels are set at Analog Value 35 RA_Flt_AlarmHigh and Analog Value 36 OA_ Flt_AlarmHigh 13 5 8 Exhaust Fan Only Mode If BMS control i...

Страница 119: ...ck with the file in a folder in the root called UPGRADE The file you received should be in that folder Steps 1 Carefully insert the micro USB end into the controller front under the door with the wide...

Страница 120: ...ion of Modbus TCP requires a physical cable connection to the RJ45 jack on the controller Prior to making the wiring connections the controller is to be tested to verify proper control of the DOAS uni...

Страница 121: ...7 4 Modbus RTU Wiring The Modbus RTU network is wired into the four pin connector named J3 Disp In the upper left hand corner of the controller This is also used for a RUT display so the two cannot be...

Страница 122: ...nput 16 Tempering_Mode Val Tempering Mode Heat Cool Read_NoWrite DiscreteInput 2 AlarmMng AlrmRes Alarm Reset Status No Yes Read_NoWrite DiscreteInput 3 SF_Status Val SF Status from Current Sensor Off...

Страница 123: ...oldingRegister 16 EF_ConstSpeedSetP Val EF Constant Speed Setpoint Read_Writeable X HoldingRegister 18 EF_FlowControlSetP Val EF Flow Control Setpoint CFM Read_Writeable X HoldingRegister 20 EF_SF_Tra...

Страница 124: ...A_Flt_AlarmHigh RA Filter Alarm Level iwc Read_Writeable X InputRegister 0 OA_Temp Val OA Temperature F Read_NoWrite InputRegister 2 OA_Hum Val OA Relative Humidity Read_NoWrite InputRegister 4 RA_Tem...

Страница 125: ...u plan to use the BMS to turn the unit on and off make sure you have the control enabled through the keypad Use Modbus Coil OnOffUnitMng BmsOnOff at Coil 0 The status can be read at DOAS_UnitOn at Dis...

Страница 126: ...ramp set at Holding Registers 52 54 56 and 58 OA CFM SETPOINT 1400 1200 1000 800 0 200 400 600 0 1200 1000 800 600 400 200 The command to the fan is read at Input Register 20 SF_Command Val The feedb...

Страница 127: ...heating or cooling functions This is required for the dual temp systems and may be useful for other situations The Coil 4 BMS_SetHeatCool must be true and then the mode is set through Coil 5 BMS_HeatC...

Страница 128: ...ol to BMS on the screen or through Binary Value 74 BMS_HW_Valve_Control Then control the valve through u Holding Register 44 HeatingCommand_BMS to set a value for the 0 10V output where 0 is 0V and 10...

Страница 129: ...fUnitMng BMSUnocc allows you to put the unit in unoccupied mode u The supply fan will either run continuous or on a call for heat or cooling as set in the controller It will run at a speed set in Hold...

Страница 130: ...alarm to alert that service is required and the ability to reset those numbers once service is performed 14 1 RUN HOURS AND STARTS This screen gives information on the last time the unit was powered d...

Страница 131: ...ained values most setpoints and or NVRAM clock and IP settings You should only use this screen if directed to do so by TSS 14 5 MEMORY WIPE This screen allows you to see the status of the communicatio...

Страница 132: ...fsets 15 1 3 IP Addresses UNIT ID OR TAG 15 1 UNIT START UP CONDITIONS 15 0 MAINTENANCE RECORDS NAME OF SETPOINT VALUE NAME OF OFFSET VALUE NAME OF COMPONENT IP ADDRESS Controller This page is to be u...

Страница 133: ...2 2 Offsets UNIT ID OR TAG 15 2 CHANGES MADE TO UNIT AFTER START UP NAME OF SETPOINT NEW VALUE NAME OF OFFSET NEW VALUE This page is to be used to record all user changes made to controller settings...

Страница 134: ...TES Anytime an updated controller program is provided by the factory and installed by the user it should be recorded here 15 4 SETTINGS BACKUP FILE Use this space to record whether or not a backup has...

Страница 135: ...so the Error is 10 F which requires very little heat from the heater The controller sees there is an error and immediately sends a call for heat that starts at 0 1 strength and ramps up as needed but...

Страница 136: ...ases Example the default Ti value is 30 If the value were changed to 15 sampling would occur twice as often If the value were changed from 30 to 60 sampling would occur only half as often If Ti were c...

Страница 137: ...e is rising too slowly increase the KP value and run the trial again The Command percentage should reach 100 or very nearly within 2 4 minutes Repeat the process but move the heating setpoint 20 F low...

Страница 138: ...RE COMMAND PERCENTAGE ELAPSED TIME 0 KP Adjustment Trial 2 KP SETTING HEATING SETPOINT TEMPERATURE COMMAND PERCENTAGE ELAPSED TIME 0 KP Adjustment Trial 3 KP SETTING HEATING SETPOINT TEMPERATURE COMMA...

Страница 139: ...RCENTAGE ELAPSED TIME 0 Ti Adjustment Trial 2 Ti SETTING HEATING SETPOINT TEMPERATURE COMMAND PERCENTAGE ELAPSED TIME 0 Ti Adjustment Trial 3 Ti SETTING HEATING SETPOINT TEMPERATURE COMMAND PERCENTAGE...

Страница 140: ...0 27 0 32 0 37 4 MERV 13 Clean Filter Pressure Drop In W G Airflow CFM 375 500 750 1000 1125 1500 1650 2000 2500 3000 3300 3500 4000 4500 4950 DN 2 0 04 0 05 0 08 0 12 0 14 0 22 0 25 DN 3 0 04 0 05 0...

Страница 141: ...19 0 66 2 12 56 20 0 68 0 12 09 21 0 69 8 11 63 22 0 71 6 11 20 23 0 73 4 10 78 24 0 75 2 10 38 25 0 77 0 10 00 26 0 78 0 9 63 27 0 80 6 9 28 28 0 82 4 8 94 29 0 84 2 8 62 30 0 86 0 8 31 31 0 87 8 8 0...

Страница 142: ...Unit Control Enhancements 3 208V 2 Premium Controls without BacNet 4 460V 4 Premium Controls with BacNet 5 230V 8 575V Digit 24 Customization None Digit 14 Refrigerant Type See Restriction 20 P Stand...

Страница 143: ...th Cooling Codes H or P For Technical Support E mail RenewaireSupport renewaire com To Place an Order E mail RenewaireOrders renewaire com DN MODELS CONFIGURATION GUIDE Note Not all options are availa...

Страница 144: ...2 3 4 5 6 Yes with Suction Line Accumulator No Coil Fins Per Inch answer for each coil 6 7 8 9 10 11 12 13 14 Valves See Restrictions 19 20 22 23 1 Circuit Qty 1 Electronic Expansion Valve Coil Coati...

Страница 145: ...t Type Code P 29 Face Split 2 Circuits Coil Style only available with Condenser Coil 2 Circuits DN Series Memo Field Questions and Answers Restrictions 16 One coil may be specified to act as both a ho...

Страница 146: ...the heater is installed Restrictions 1 Control Type Code V is not available with Input Capacity in MBH Codes 050 075 100 125 150 REFERENCE Integrated Gas Heat Module Configuration Code Chart MODEL NUM...

Страница 147: ...Code 30 is only available with Model Code DN 3 and DN 5 DENSITY HEATER CAPACITY kW 30 W x H 144 kW CFM x T 3150 T kW x 3150 CFM REFERENCE Integrated Electric Heater Configuration Code Chart MODEL NUM...

Страница 148: ...S355 N831 VFDs in rooftop units FIGURE 16 5 0 MODEL ACS320 SHOWN FIGURE 16 5 1 VFD KEYPADS IN EBOX 16 5 1 1 ABB VFD Parameters VFD Parameters are instructions that the Variable Frequency Drives follow...

Страница 149: ...ds LOCKED 1 Select Parameter 1603 PASS CODE press EDIT softkey 2 Use the UP DOWN buttons to scroll to 358 press SAVE softkey the entry will automatically revert back to 0 press EXIT softkey 3 Scroll u...

Страница 150: ...z 60 0 HE 90 0 LE units 120 0 DN units 2101 START FUNCTION 1 AUTO 6 SCAN START ACS320 arrives with P2101 default at e6 SCAN START but ACS320 manual says default is 1 AUTO 2607 SWITCHING FREQUENCY 2 ON...

Страница 151: ...ED BY US COMMENTS 9902 APPLIC MACRO 1 HVAC DEFAULT or ABB STANDARD 1 USER S1 SAVE This will save the settings above that can be restored by pressing SAVE when USER S1 LOAD is selected in parameter 990...

Страница 152: ...0 1770 7 5 25 0 98 136492 136458 3 136355_002 106355_000 Baldor 208 25 4 1770 10 0 31 7 98 136490 136456 3 135543_002 Dayton 208 14 0 1760 5 0 17 5 98 136491 136457 3 134314_002 Dayton 208 20 5 1770...

Страница 153: ...x motor nameplate FLA parameter 9909 motor 1 nameplate HP plus motor 2 nameplate HP Parameter 3007 Motor Load Curve is typically 125 127 98 for motors with 1 15 Service Factor SF 115 127 90 for motor...

Страница 154: ...er COM EF Command Blk EF Command Red EF Command Wht SF Command Red SF Enable Blk SF Enable Red 02 5 A 02 9 A 2 5A F1 X2 20 X3 21 Accy 24 VAC Accy COM X1 1 X4 38 X1 2 X1 4 X1 6 X4 40 02 6 D 02 6 D X2 1...

Страница 155: ...KEYPADS IN EBOX 16 5 2 1 Lenze VFD Parameters VFD Parameters are instructions that the Variable Frequency Drives follow They can be adjusted by using the keypads on the VFDs Do not change these parame...

Страница 156: ...re factory or ABB defaults To return to RenewAire s defaults select parameter 9902 APPLIC MACRO and press EDIT softkey Scroll down to USER 1 LOAD Not USER 1 SAVE as this will overwrite the factory set...

Страница 157: ...the maximum operating speed Hz for the motor P108 Motor Overload Set per Motor Table Critical Safety Parameter P108 Motor FLA VFD Output Rating X 100 P160 Speed at Minimum Signal 15 When analog input...

Страница 158: ...465 136314_001 106314_000 Baldor 3 3 3 3 9 85 575 136465 136314_002 WEG S 3 3 05 3 9 78 575 136513 136315_001 106315_000 Baldor 5 5 3 6 1 87 575 136513 136315_002 WEG S 5 5 19 6 1 85 575 136466 136360...

Страница 159: ...xhaust VFD L1 L2 L3 U V W PE Start Stop ACOM AIN 0 10 VDC 10 VDC OUT AIN 4 20 mA DCOM 2 5 6 25 4 11 13A 13B 13C 14 30 16 17 12 VDC OUT DIN DIN DIN DOUT AOUT RELAY 1 Supply VFD EF Command Red SF Comman...

Страница 160: ...dition or process by a digital device computer The controller accepts digital or analog inputs from a variety of sensors and then follows all of its programmed instructions to produce action instructi...

Страница 161: ...to connect a supervisory computer with a remote terminal unit RTU in supervisory control and data acquisition systems Modbus RTU see Modbus above Modbus RTP see Modbus above NAND Memory NAND flash mem...

Страница 162: ...USB Thumb Drive A very small portable solid state hard drive that can be inserted into a USB port for storage and retrieval of data UI User Interface commonly called UI A user interface is the means...

Страница 163: ...163 1 800 627 4499 DN Series Integrated Programmable Controls DOAS NOTES...

Страница 164: ...y the industry s best warranty with the lowest claims due to long term reliability derived from innovative design practices expert workmanship and Quick Response Manufacturing QRM As the pioneer of st...

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