RenewAire DN Series Installation, Operation And Maintenance Manual
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RenewAire DN Series Installation, Operation And Maintenance Manual

Doas integrated programmable controls
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DOAS INTEGRATED PROGRAMMABLE CONTROLS
Installation, Operation and Maintenance Manual
FOR COMMERCIAL DN-SERIES
Carel c.pCO Mini
Carel c.pCOe Expansion Board

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Summary of Contents for RenewAire DN Series

  • Page 1 DOAS INTEGRATED PROGRAMMABLE CONTROLS Installation, Operation and Maintenance Manual FOR COMMERCIAL DN-SERIES Carel c.pCO Mini Carel c.pCOe Expansion Board...
  • Page 2 DOAS DN-Series Integrated Programmable Controls This manual 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. Newer units also have this version information in the Unit Status screens.
  • Page 3 This control system is subject to periodic updates in firmware are to access the DOAS control panel and the controller. and the User Manual itself. Please contact RenewAire Support Changes to the controller settings are to be made only by at RenewAireSupport@RenewAire.com to determine if you...
  • Page 4 In the unlikely event that factory assistance is ever required, information located on the unit label will be needed. Locate the RenewAire unit label found on the outside of the unit. NOTE: This information is for purposes of identifying the unit-specific option data from the Configuration Code.
  • Page 5 For Technical Support E-mail: RenewaireSupport@renewaire.com "-" = None "X" = Custom Unit, No Paint "P" = Packaged "Z" = Custom Unit and Paint To Place an Order E-mail: RenewaireOrders@renewaire.com Digit 16: Digit 25: Cooling Safety Listing (See Restriction 17) "-" = None "L"...

  • Page 6: Table Of Contents

    TABLE OF CONTENTS DOAS DN-Series Integrated Programmable Controls 1.0 OVERVIEW 5.2 OPTIONS FOR SUPPLY FAN CONTROL ....31 5.2.1 Constant Fan Speed Option ..........31 1.1 CONTROL SEQUENCE OVERVIEW ......10 5.2.2 SA Flow Control Option .............32 5.2.3 Supply Duct Static Pressure Control Option .......32 1.2 ENERGY RECOVERY BASICS ........11 5.2.4 CO2/VOC Control Option ...........33 1.3 TEMPERATURE SENSORS ........12...
  • Page 7 TABLE OF CONTENTS DOAS DN-Series Integrated Programmable Controls 6.5.3.3 VRF Heating Operation ...........62 10.1.5.2 Supply and Exhaust Alarms ..........83 6.5.3.4 VRF Auxiliary Heat ............62 10.1.5.3 Airflow Condition Alarms ..........84 6.5.3.5 VRF Monitoring ..............63 10.1.5.4 Sensor Alarms ..............87 6.5.4 Dual Temperature Coil ............64 10.1.5.5 Filter Alarms ..............88 6.5.4.1 Dual Temperature Coil Mode ..........64 10.1.5.6 Maintenance Alarms .............88...
  • Page 8 13.9.1 Turning the Unit On and Off ........... 125 16.5.1.3 Locking and Unlocking Parameters ......149 13.9.2 Alarms................125 16.5.1.4 RenewAire Parameter Settings ........150 13.9.3 Temperature and Humidity Around the ERV ....126 16.5.1.5 Motor Specific VFD Parameter Settings ....... 152 13.9.4 Fan Control ..............
  • Page 9 TABLE OF CONTENTS DOAS DN-Series Integrated Programmable Controls TABLE OF ILLUSTRATIONS Figure 1.3.0 Duct Temperature Sensor ........12 Figure 1.4.0 Temperature and Humidity Sensor ......12 Figure 1.5.0 Sensor Locations in DN-Series Units .......13 Figure 2.0.0 C.PCO Controller Buttons ........14 Figure 2.0.1 Controller External Connections ......14 Figure 2.0.2 Expansion Module Detail ........15 Figure 2.0.3 Optional Remote User Terminal (RUT) Button Locations ............15...

  • Page 10: Overview

    1.1 CONTROL SEQUENCE OVERVIEW NOTE: This unit has The RenewAire DOAS provides 100% outdoor air while saving energy by passing the Exhaust Air a microprocessor through the energy recovery core to exchange energy with the incoming air, with energy being controller.

  • Page 11: Energy Recovery Basics

    Each DN unit has an EA outlet with a damper. The EA outlet is on the back wall or top of the unit. RenewAire energy recovery ventilators use static-plate, enthalpy-core heat exchangers that have no moving parts. During summer months, the hot and humid OA passes by the cooler, drier RA, lowing its temperature and humidity.

  • Page 12: Temperature Sensors

    OVERVIEW DOAS DN-Series Integrated Programmable Controls 1.3 TEMPERATURE SENSORS There are four temperature sensors installed in each DOAS. These are NTC sensors that have NOTE: If an optional a Carel curve. The curve characteristics can be found in the Reference section. They are internal heating located at: device is selected...

  • Page 13: Sensor Locations

    OVERVIEW DOAS DN-Series Integrated Programmable Controls 1.5 SENSOR LOCATIONS EA FAN AND SA NOTE: Not shown EA STREAM FAN CURRENT here are the Smoke TEMPERATURE SWITCHES Detector, CO2, SENSOR (MOUNTED ON (MOUNTED ON IAQ, Duct Pressure LOW-VOLTAGE EA FAN AIR INLET CONE) SIDE OF E-BOX FLOW RATE Sensor, Room Temperature...

  • Page 14: Controller Overview

    CONTROLLER OVERVIEW DOAS DN-Series Integrated Programmable Controls 2.0 CONTROLLER OVERVIEW The control utilizes the Carel c.pco (pronounced see-pee-ko) controller with the c.pcoe expansion module. C.pCO n° (03) 75.5°F Time 12:33 date: 07.06.2017 Up Button 24VAC Power Enter Button Universal inputs/outputs Down Button Power for RUT remote display Remote display or...

  • Page 15: Figure 2.0.2 Expansion Module Detail

    CONTROLLER OVERVIEW DOAS DN-Series Integrated Programmable Controls The c.pCOe expansion module has multiple digital and analog inputs and outputs, serving as an extension of the controller. The expansion board provides: NOTE: Expansion Heating and Cooling Control module DIP switch- Monitor Airflow Rates, Temperatures, and Pressures es are factory set to address 5, No Off- set, 19.2K, and Modbus.

  • Page 16: Controller Access Methods

    CONTROLLER OVERVIEW DOAS DN-Series Integrated Programmable Controls Pressing the PRG (program) button accesses the Service Menu or Login screen from any location in the user interface screens. The options that are available dynamically change depending on the configuration of the unit and the options installed on the unit.

  • Page 17: Connecting Using Internal Web

    CONTROLLER OVERVIEW DOAS DN-Series Integrated Programmable Controls The RUT (optional accessory, field-installed) plugs into the controller by means of a six wire cable with RJ12 jacks on each end. The six-wire cable is inserted in the RJ12 jack on the back of the RUT and the other end of the cable is inserted into the RJ12 adapter, found in the low voltage electrical compartment.

  • Page 18: Setting The Pc Ip Address

    CONTROLLER OVERVIEW DOAS DN-Series Integrated Programmable Controls You should see this web page. To get to 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 Change Adapter Settings.

  • Page 19: Using The Multikey Function Of The Web

    CONTROLLER OVERVIEW DOAS DN-Series Integrated Programmable Controls Select Internet Protocol 4 and click on Properties. NOTE: When you are finished viewing the controller on your computer, remember to restore the original settings. Enter the IP address you want to use. It should not be identical to the controller IP address. The last octet of the IP address should be different.

  • Page 20: Password Protected Menu Structure

    GENERAL FLOW DOAS DN-Series Integrated Programmable Controls 2.2.2 Password Protected Menu Structure The password protected menu can be reached but pressing the PROG button and entering the password. The menus contain the following areas: Back Up and Restore—Contains the screens to back up your settings or return to factory defaults Unit Configuration—Main Unit Configuration Settings that determine which screens show up in other areas...

  • Page 21: Unit Configuration

    UNIT CONFIGURATION DOAS DN-Series Integrated Programmable Controls 4.0 UNIT CONFIGURATION 4.1 CONFIGURE GENERAL SETTING There are several general settings that are need for correct operation of the controller. 4.1.1 Setting the Time and Date It is important to have the correct time and date for alarm time stamps and logging. Set Refresh to YES, It will turn back to NO after changing the display to the current controller time and date.

  • Page 22: Scheduler

    UNIT CONFIGURATION DOAS DN-Series Integrated Programmable Controls 4.1.4 Scheduler Enable the scheduler, if desired. If you enable the scheduler, it will have to be set for “ON” for the unit to run along with all other “ON” conditions. Enable the scheduler by setting to YES. Set the schedule for each day.

  • Page 23: I/O Configuration

    UNIT CONFIGURATION DOAS DN-Series Integrated Programmable Controls 4.2.2 I/O Configuration If using CO2/VOC or Duct Static Pressure to control the fans, enable the sensors here and adjust the scaling if needed. These are user supplied sensors. The CO2 or VOC sensors may also be used strictly for monitoring.

  • Page 24: Co2/Voc Sensors

    UNIT CONFIGURATION DOAS DN-Series Integrated Programmable Controls Field-installed control sensors and monitors are to be installed and wired in accordance with instructions shipped in the documentation package. Wire gauge must be in accordance with the following: Wire Gauge Circuit Length 100' 150' 250'...

  • Page 25: Differential Pressure Duct Sensor

    9.6 K with o set 38.4 K CAREL no o set 57.6 K Modbus UNIT CONFIGURATION Address Ext. Baud Prot DOAS DN-Series Integrated Programmable Controls EXPANSION MODULE NOTE: When wiring IAQ-W OR IAQ-D SENSOR sensor, do not wire P/N 131308 OR 131307 directly to the expansion module;...

  • Page 26: Ca Temperature Sensor

    19.2 K 9.6 K with o set 38.4 K CAREL no o set 57.6 K Modbus UNIT CONFIGURATION DOAS DN-Series Integrated Programmable Controls Address Ext. Baud Prot DUCT PRESSURE SENSOR EXPANSION MODULE P/N 131315 NOTE: When wiring Address Ext Baud Prot sensor, do not wire directly to the expansion module;...

  • Page 27: Unit Operation And Fan Control

    UNIT OPERATION DOAS DN-Series Integrated Programmable Controls 5.0 UNIT OPERATION AND FAN CONTROL The primary purpose of the DN DOAS Unit is to provide 100% OA. The amount of air that it provides is based on the configuration of the supply and exhaust fans and whether the unit is running or not.

  • Page 28: Digital Input (Id1) Unit On/Off

    Some of the uses are a remote switch, a smoke detector or a motion/ occupancy sensor. The unit can also be supplied with an optional drain overflow switch that is wired into this input. Shown are the accessories are offered by RenewAire. 5.1.1.1 Optional Smoke Detector Normally field-installed on the discharge duct, near the furnace.

  • Page 29: Optional Drain Overflow Switch

    UNIT OPERATION DOAS DN-Series Integrated Programmable Controls 5.1.1.3 Optional Drain Overflow Switch This is an optional accessory, ordered with the unit and factory-installed. The overflow switch monitors condensate levels in the condensate pan and if unacceptable levels are detected, it will cause the fans to switch OFF and the dampers will return to their Normally Closed positions.

  • Page 30: Current Sensors

    UNIT OPERATION DOAS DN-Series Integrated Programmable Controls FIGURE 5.1.4 PRESSURE DIFFERENTIAL TRANSMITTER (TYP) 5.1.5 Current Sensors NOTE: Current sen- Current sensors are installed on high voltage supply wires to sense current going to a fan motor. sors are calibrated They are used to prove the ON/OFF state of fan motors. for reduced fan speed at time of shipment from the factory.

  • Page 31: Options For Supply Fan Control

    UNIT OPERATION DOAS DN-Series Integrated Programmable Controls The alarm level can be set pressure can be set such that if the pressure reaches the alarm level, the unit will alarm but keep running. You can also see the pressure in this screen so that if it gets close to the alarm level you can change it at your convenience.

  • Page 32: Sa Flow Control Option

    UNIT OPERATION DOAS DN-Series Integrated Programmable Controls 5.2.2 SA Flow Control Option The controller will adjust the supply fan VFD or ECM command to maintain the SA flow rate at a setpoint. The SA flow rate setpoint is entered and adjusted from the unit controller display or provided by the BMS.

  • Page 33: Co2/Voc Control Option

    UNIT OPERATION DOAS DN-Series Integrated Programmable Controls 5.2.4 CO2/VOC Control Option The controller will adjust the supply fan VFD or ECM command to maintain the room or RA CO2/ VOC level at a setpoint. This option requires a field-installed CO2 or VOC sensor or value from a BMS and setup for the sensor in the I/O configuration.

  • Page 34: Options For Exhaust Fan Control

    UNIT OPERATION DOAS DN-Series Integrated Programmable Controls The SA flow setpoint is derived from the user entered minimum and maximum CO2 levels and minimum and maximum desired airflow rates. When the CO2 level is at or below the minimum CO2 level the airflow setpoint is at the minimum and when the CO2 level is at or above the maximum CO2 level the airflow setpoint is at the maximum.

  • Page 35: Ea Flow Control Option

    UNIT OPERATION DOAS DN-Series Integrated Programmable Controls 5.3.2 EA Flow Control Option The controller will adjust the supply fan VFD or ECM command to maintain the EA flow rate at a setpoint. The EA flow rate setpoint is entered and adjusted from the unit controller display or provided by the BMS.

  • Page 36: Supply Fan Flow Tracking Control Option

    UNIT OPERATION DOAS DN-Series Integrated Programmable Controls 5.3.4 Supply Fan Flow Tracking Control Option The controller will adjust the exhaust fan VFD or ECM command to track the supply fan air flow rate. The offset from the SA flow rate is adjustable from -25% to +25%. An adjustable PI loop will compare the measured EA flow to the airflow rate setpoint and adjust the fan speed.

  • Page 37: Tempering Control

    If the OA RenewAire suggests an initial Lockout Above setting of 50°F. air is at 50°F and the EA coming from the Occupied Space is at 72°F, the CA recovers enough heat energy from the EA that it will reach about 67.6°F without any supplementary heat from the heat module when the heat exchange core is at maximum efficiency.

  • Page 38: Dehumidification

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 6.2 DEHUMIDIFICATION The dehumidification is performed with the cooling. Therefore, the unit must have cooling enabled. It may also have HGRH enabled here, used for reheat during dehumidification. The setting for changeover is in Control Settings. Dehumidification mode will be on at the dehumidification setpoint + the hysteresis value set here.

  • Page 39: Dehumidification Types And Settings

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 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.

  • Page 40: Dehumidification With Reheat From Heat Source

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls The status can be viewed in Unit Status. 6.2.1.2 Dehumidification with Reheat from Heat Source This dehumidification method uses any cooling source and heating source. When the return (or outdoor, selectable) air dew point exceeds the 55°F (adjustable) the dehumidification mode will be enabled.

  • Page 41: Dehumidification With No Reheat

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 6.2.1.3 Dehumidification with No Reheat This dehumidification method uses any cooling source. 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 CA temperature setpoint, usually around 50–55°F. If feeding the space directly, this could cause overcooling.

  • Page 42: Heating

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 6.3 HEATING The heating requires that heating be enabled in the Unit Configuration. The heating type can also be set here or in the Control Settings. 6.3.1 Heating Mode For any type of heating there is an outdoor air lockout temperature above which heating will not be allowed.

  • Page 43: Heating Control Types

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 6.3.3 Heating Control Types The following heating types are supported: 0–10VDC: Gas or Electric 10–0VDC: Hot Water Valve HP 1 Stage: with or without 0–10VDC aux heat—See Combined Tempering HP 2 Stage: with or without 0–10VDC aux heat—See Combined Tempering Dual Temp Coil: A coil that is used for both hot and cold water, depending upon season—...

  • Page 44: 0-10Vdc Hot Water Valve

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls Command (0–100%) to Heater, where 0 = 0VDC output and 100% = 10VDC output Heating Status The heating status values are shown. Multiple values may be true. MESSAGE MEANING Heat Locked Out by OA The heating outdoor air lockout is higher than the OA temperature.

  • Page 45: Cooling

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls The heating status can be monitored in the Unit Status. The screen shows: Heating Control Variable which will be: as selected if in occupied operation RA for unoccupied operation CA in dehumidification mode and heating is used for reheat Heating setpoint which will be: Occupied heating setpoint if selected adjust and in occupied operation Calculated OA reset heating setpoint if selected OA reset and in occupied operation...

  • Page 46: Cooling Mode

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 6.4.1 Cooling Mode For any type of cooling there is an outdoor air lockout temperature below which cooling will not be allowed. Note that the default is high. This is to insure that at start up, you can start your fans without worrying if the tempering will also start.
  • Page 47 TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls This type of cooling cycles one stage of cooling to maintain the cooling setpoint. You must set a hysteresis value whereby the stage will turn on at the setpoint + hysteresis and turn at setpoint. There is also a minimum on and off time to prevent over-cycling.

  • Page 48: 2-Stage: Two Stages Of Cooling

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls The cooling status values are shown. Multiple values may be true. MESSAGE MEANING Cool Locked Out 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.
  • Page 49 TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 100% STAGE 2 Stage 1 turns on a 25% and Stage 2 at 75% of prop band STAGE 1 STAGE 2 Stage 2 turns off at 25% and Stage 1 at 0% of prop band STAGE 1 Proportional Band TEMPERATURE...

  • Page 50: Cw Mod: Chilled Water Modulating Coil

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls The cooling status values are shown. Multiple values may be true. MESSAGE MEANING Cool Locked Out 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.

  • Page 51: Pdx: Packaged Dx Unit With Variable Speed Compressor

    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 cooling status can be monitored in the Unit Status. The screen shows:...
  • Page 52 TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls The cooling status values are shown. Multiple values may be true. MESSAGE MEANING Cool Locked Out 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.
  • Page 53 TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls Circuit 1 Status Clg Setpoint, Actual, System demand % Compressor 1 % Expansion Valve % Suction Superheat Suction Pressure Suction Temperature Discharge Superheat Discharge Pressure Discharge Temperature Condenser Fan Percent running (This is a shared condenser fan 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.

  • Page 54: Combined Tempering

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 6.5 COMBINED TEMPERING Combined Tempering are methods where the same control is used for heating and cooling. These types include: Single-stage heat pump with or without auxiliary heat Two-stage heat pump with or without auxiliary heat VRF with or without auxiliary heat Dual Temp water coil which supplies heating or cooling, depending upon season These methods require that both heating and cooling be enabled in the Unit Configuration.

  • Page 55: Heat Pump 1-Stage Heating Operation

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls Increasing temperature turns mode ON at setpoint + hysteresis Decreasing temperature turns mode OFF at setpoint TEMPERATURE Hysteresis Setpoint Setpoint + Hysteresis 6.5.1.3 Heat Pump 1 Stage Heating Operation This type of heating cycles one stage of compressor to maintain the heating setpoint while the reversing valve is in heat mode.

  • Page 56: Heat Pump 1-Stage Auxiliary Heat

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 6.5.1.4 Heat Pump 1-Stage Auxiliary Heat The unit allows you to use an 0–10VDC auxiliary heat source when the outdoor temperature is very cold. It will run a PI control to maintain the heat setpoint with the aux heat instead of the heat pump.

  • Page 57: Heat Pump 2-Stage: With Or Without 0-10Vdc Aux Heat

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls The heat pump status values are shown. Multiple values may be true. MESSAGE MEANING Cool Locked Out 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.

  • Page 58: Heat Pump 2-Stage Cooling Operation

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 6.5.2.2 Heat Pump 2-Stage Cooling Operation This type of cooling cycles two stages of cooling to maintain the cooling setpoint. You must set a prop band value. This value represents 100%; the wider the prop band the slower the response.

  • Page 59: Heat Pump 2-Stage Heating Operation

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 6.5.2.3 Heat Pump 2-Stage Heating Operation This type of cooling cycles two stages of heating to maintain the heating setpoint. You must set a prop band value. This value represents 100%; the wider the prop band the slower the response.

  • Page 60: Heat Pump 2-Stage Auxiliary Heat

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 6.5.2.4 Heat Pump 2-Stage Auxiliary Heat The unit allows you to use a 0–10VDC auxiliary heat source when the outdoor temperature is very cold. It will run a PI control to maintain the heat setpoint with the aux heat instead of the heat pump.

  • Page 61: Vrf: With Or Without Modulating Auxiliary Heat

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls The heat pump status values are shown. Multiple values may be true. MESSAGE MEANING Cool Locked Out 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.

  • Page 62: Vrf Cooling Operation

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls Based on whether the unit is in heating or cooling mode, the controller will set the tempering mode output in the correct position according to this setting. The minimum and maximum vales are also set here, as well as whether the cooling minimum demand coincides with the analog minimum or maximum.

  • Page 63: Vrf Monitoring

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 6.5.3.5 VRF Monitoring This screen is available for monitoring the system in Unit Status. This screen is also available if the control is set for VRF and Mod. The VRF status values are shown. Multiple values may be true. MESSAGE MEANING Cool Locked Out by OA...

  • Page 64: Dual Temperature Coil

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 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 this, the coil needs to know what type of fluid (hot or cold) is being provided.

  • Page 65: Dual Temperature Coil Heating Operation

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 6.5.4.3 Dual Temperature Coil Heating Operation NOTE: The valve This type of heating modulates a 0–10VDC cooling command output using PI control to maintain control can be set the heating setpoint. The KP and Ti can be adjusted to fine tune the control. The NO4 cooling directly from the enable contact is engaged whenever the heating demand is at 1% or higher.

  • Page 66: Economizer Control (Bypass/Free Cooling)

    TEMPERING CONTROL DOAS DN-Series Integrated Programmable Controls 6.6 ECONOMIZER CONTROL (BYPASS/FREE COOLING) All DN DOAS units are equipped with a bypass damper which will make the incoming air bypass the enthalpic plate. In this case, when the unit is in cooling or dehumidification mode, if the OA is more favorable for cooling than the RA, the bypass damper will modulate to maintain the cooling setpoint.

  • Page 67: Unoccupied Operation

    UNOCCUPIED OPERATION DOAS DN-Series Integrated Programmable Controls 7.0 UNOCCUPIED OPERATION The DN DOAS unit can be ordered with an optional recirculation damper for unoccupied operation. The occupied/unoccupied signal can be set from the BMS or the scheduler. During unoccupied operation, the unit allows the run the supply fan to run as set, and the heat or cool based on unoccupied setpoints for return air.

  • Page 68: Single Fan Mode

    SPECIAL FEATURES DOAS DN-Series Integrated Programmable Controls The frost control function is locked out if the OA temperature is above 5°F (adjustable). This is due to the fact that the core will typically not frost above 5°F if the RA humidity is not high enough to result in a saturated condition in the EA airstream.

  • Page 69: Use Room Temp And Humidity Rather Than Return

    It is possible to set different limits for the heating and cooling occupied and unoccupied setpoints. The defaults are shown in these screens. This will limit the users in the front non- password protected screens from setting extreme setpoints. REV. DATE NAME CHANGES RenewAire shreyat Updated controller gnd connections 4/4/2022 DN-2,3-Jxxxxx33,34,35--xGxExx--xx_006 5/8/2020 austine...

  • Page 70: Adjustments For Two-Stage Cooling

    SPECIAL FEATURES DOAS DN-Series Integrated Programmable Controls 8.6 ADJUSTMENTS FOR TWO-STAGE COOLING There are several special settings for the two-stage cooling. In cases where the condensing unit is tied to only the first compressor, set Only allow comp 2 is comp 1 in on: to YES. (Because of minimum off times it is normally possible that the second compressor turns back on before the first).

  • Page 71: Two-Circuit Vrf

    SPECIAL FEATURES DOAS DN-Series Integrated Programmable Controls 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. The second stage will turn on when the demand is over 50% and turn back off when it falls below 49%.

  • Page 72: Verifying I/O And Unit Wiring

    I/O AND UNIT WIRING DOAS DN-Series Integrated Programmable Controls 9.0 VERIFYING I/O AND UNIT WIRING All of the I/O values should be verified and calibrated, if necessary. 9.1 VERIFYING ALL I/O THROUGH UNIT STATUS SCREENS All of the individual I/O are able to be viewed in one place by pressing “ENTER” when on this screen, which is located toward the and of Unit Status.

  • Page 73: Sensor Inputs

    I/O AND UNIT WIRING DOAS DN-Series Integrated Programmable Controls 9.3.1 Sensor Inputs Sensors in Grey are optional, and field-installed. SENSOR INTERMEDIATE CONTROLLER SENSOR TYPE TERMINALS TERMINALS TERMINALS Far Left (Red) U1 (Main) OA Temperature 2 (Black) X4-39 Sens COM GND TS2 Combined AREL 3 (Red) X4-38...

  • Page 74: Digital Inputs

    I/O AND UNIT WIRING DOAS DN-Series Integrated Programmable Controls 9.3.2 Digital Inputs Inputs in Grey are optional, and field-installed. INPUT INTERMEDIATE CONTROLLER INPUT TYPE TERMINALS TERMINALS TERMINALS X2-15 C1/2 Smoke Detector Dry Contact X2-16 24VDC X2-17 ID1 Unit Enable* Dry Contact X2-18 Sensor COM X2-19...

  • Page 75: Digital Outputs

    I/O AND UNIT WIRING DOAS DN-Series Integrated Programmable Controls 9.3.3 Digital Outputs Outputs in Grey are optional, and field-installed. Heating and cooling may be factory-installed or field-installed, depending upon the unit. OUTPUT INTERMEDIATE CONTROLLER OUTPUT TYPE TERMINALS TERMINALS TERMINALS X2-13 NO1 (Main) (See wiring SF Enable...

  • Page 76: Analog Outputs

    I/O AND UNIT WIRING DOAS DN-Series Integrated Programmable Controls 9.3.4 Analog Outputs Outputs in Grey are optional, and field-installed. Heating and cooling may be factory-installed or field-installed, depending upon the unit. OUTPUT INTERMEDIATE CONTROLLER OUTPUT TYPE TERMINALS TERMINALS TERMINALS 01-6-D Y1 (Main) SF Signal 0–10VDC...

  • Page 77: Dn-2-Rt, Dn-3-Rt Three Phase Power Wiring Schematic

    I/O AND UNIT WIRING DOAS DN-Series Integrated Programmable Controls 9.3.5 DN-2-RT, DN-3-RT Three Phase Power Wiring Schematic NOTE: This wir- ing schematic is TYPICAL of three phase, 208-230 and 460VAC input for models DN-2 and DN-3. This drawing is for a unit that includes gas heat and EC motors.

  • Page 78: Dn-2-Rt, Dn-3-Rt, Dn-5-Rt Typical Control Wiring

    I/O AND UNIT WIRING DOAS DN-Series Integrated Programmable Controls 9.3.6 DN-2-RT, DN-3-RT, DN-5-RT Typical Control Wiring NOTE: This wiring schematic is TYPICAL control wiring for a three phase, 208-230 and 460VAC input for models DN-2, DN-3, and DN-5. This drawing is for a unit that includes gas heat and EC motors.

  • Page 79: Typical Field Wiring

    I/O AND UNIT WIRING DOAS DN-Series Integrated Programmable Controls 9.3.7 Typical Field Wiring NOTE: This wir- ing schematic is TYPICAL of three phase, 208-230 and 460VAC input for models DN-2, DN-3, and DN-5. This drawing is for a unit that includes gas heat and EC motors.

  • Page 80: Alarms And Troubleshooting

    TROUBLESHOOTING DOAS DN-Series Integrated Programmable Controls 10.0 ALARMS AND TROUBLESHOOTING If the problem is caused by an alarm, the first step in troubleshooting is to view the Alarm screens. Press the Alarm button on the face of the controller to see all current alarms and what function or component is causing the alarm.

  • Page 81: Resetting Alarms

    TROUBLESHOOTING DOAS DN-Series Integrated Programmable Controls An alarm log screen looks like this. If the event is Stop, it shows the time that the alarm went away. If the event is Start, it shows the time that the alarm first occurred. There may be up to 50 entries.

  • Page 82: Specific Alarms And Their Meaning

    TROUBLESHOOTING DOAS DN-Series Integrated Programmable Controls The second is AnyAlarmOut.val and it closes the contact if there is any alarm including the ones in AlarmOut.val. The physical connection for the first is made at the controller and the second is made at the expansion module.

  • Page 83: Supply And Exhaust Alarms

    TROUBLESHOOTING DOAS DN-Series Integrated Programmable Controls Check the wiring: FBUS on the controller to BMS on the expansion. Check that the dipswitches are positioned correctly Wrong configuration on device CPCOE Alarm Number 5: This alarm is an internal alarm. Contact TSS if this alarm occurs. Connection between DOAS and Ref Controller is lost Alarm Number 6: This alarm occurs on packaged refrigeration units and indicates that the communication...

  • Page 84: Airflow Condition Alarms

    TROUBLESHOOTING DOAS DN-Series Integrated Programmable Controls 10.1.5.3 Airflow Condition Alarms NUMBER NAME STATUS SHOWN MEANING Al_SA_Airflow Auto reset Supply Airflow Alarm Al_EA_Airflow Auto reset Exhaust Airflow Alarm Al_SA_StaticPress Auto reset SA Static Pressure Level Alarm Al_CO2 Auto reset CO2/VOC Level Alarm Al_SupAir_Low_ User reset Low SA Temp Warning...
  • Page 85 TROUBLESHOOTING DOAS DN-Series Integrated Programmable Controls This usually indicates that the unit is probably hunting and the KP (gain) for the PI control needs to be adjusted. Set the KP to 0.1 or 0.2 to start. If it responds too slow, you can increase it but these values are usually acceptable.
  • Page 86 TROUBLESHOOTING DOAS DN-Series Integrated Programmable Controls CO2/VOC Level Alarm Alarm Number 15: This alarm occurs when the CO2/VO2 sensor is enabled, and the CO2/VOC level rises above the level set in this screen for more that the delay time. First make sure the pressure sensor is reading correctly in the Unit Status. If the sensor is not reading correctly, check the range settings in I/O Configuration, the wiring, and the calibration screen.

  • Page 87: Sensor Alarms

    TROUBLESHOOTING DOAS DN-Series Integrated Programmable Controls 10.1.5.4 Sensor Alarms NUMBER NAME STATUS SHOWN MEANING Al_OA_Temp_Prb Auto reset OA Temperature Sensor Error Al_OA_Hum_Prb Auto reset OA Humidity Transducer Error Al_RA_Temp_Prb Auto reset RA Temperature Sensor Error Al_RA_Hum_Prb Auto reset RA Humidity Transducer Error Al_SA_Temp_Prb Auto reset SA Temperature Sensor Error...

  • Page 88: Filter Alarms

    TROUBLESHOOTING DOAS DN-Series Integrated Programmable Controls 10.1.5.5 Filter Alarms NUMBER NAME STATUS SHOWN MEANING Al_OA_Flt_Press Auto reset OA Filter Pressure Alarm Al_RA_Flt_Press Auto reset RA Filter Pressure Alarm Filter Alarms Alarm Numbers 60–61: These alarms occur when the pressure exceeds the OA Level or the RA Level as set in the alarm settings.

  • Page 89: Test End Devices

    TROUBLESHOOTING DOAS DN-Series Integrated Programmable Controls 10.2 TEST END DEVICES The Test End Devices allows you to manually control outputs for testing. The unit must be off for this feature to be enabled. An alarm will occur in one hour (default) if you forget to take the device out of test mode.
  • Page 90 TROUBLESHOOTING DOAS DN-Series Integrated Programmable Controls For the fan that has the alarm (supply or exhaust), command the fan to run at 35% or so. If you see the flow increase but don’t see the feedback (current switch) to yes, then the problem is with the current switch.

  • Page 91: Other Common Problems

    TROUBLESHOOTING DOAS DN-Series Integrated Programmable Controls 10.3 OTHER COMMON PROBLEMS Listed are some other common problems you may encounter. 10.3.1 Unit Not On If the unit will not run, go to this screen in Unit Status and the bottom line will tell you why. Multiple items may be true.

  • Page 92: Testing Functions In General

    These parameters include all configuration settings, fan settings, heat/cool settings, and BMS settings. 10.5.1 User Commissioning Settings (Service) NOTE: RenewAire At the end of the I/O Configuration, the user is prompted to save their settings. It is probably highly recommends best to save these values after setting all of the values in the Control Variables as well.

  • Page 93: Restore Factory Settings

    TROUBLESHOOTING DOAS DN-Series Integrated Programmable Controls If you do the operation correctly, it will say “Operation Done.” To restore user settings, the screen is in Backup and Restore. The steps are: Choose the location: internal or USB Set Confirm to Yes You should see “Operation done.”...

  • Page 94: Code List For Save And Restore

    The process is called “Wipe Retain” for anyone familiar with the Carel controller. Most likely unless directed to you will not use this operation unless you are directed to do so by RenewAire Technical Sales do so by TSS. Support (TSS).

  • Page 95: Accessing Files From And Performing Updates To The Controller

    CONTROLLER UPDATES DOAS DN-Series Integrated Programmable Controls 11.0 ACCESSING FILES FROM AND PERFORMING UPDATES TO THE CONTROLLER The controller has a total of about 92 MB of internal memory. There are several types of files that use the internal 92 MB of mass storage that are available on the controller. Logs—exported automatically in the root Alarm List—exported on demand Parameter sets —see Restore Parameters (Settings)

  • Page 96: Alarms And Data Logs

    CONTROLLER UPDATES DOAS DN-Series Integrated Programmable Controls 11.2 ALARMS AND DATA LOGS Two types of files that are exported on demand are logs and alarm lists. They can be exported to the internal memory or the USB drive. The export of the logs will show “In Progress” while exporting. It may take a while depending upon the size.

  • Page 97: Viewing Parameter Files

    CONTROLLER UPDATES DOAS DN-Series Integrated Programmable Controls The variables that are logged are as listed here. VARIABLE VARIABLE VARIABLE OA_Temp.Val Cooling_LAT.Val SuctPress_1.Val OA_Hum.Val HGRH_Command.Val OA_Dewpoint RA_Hum.Val Any_Alarm_Out.Val RA_Dewpoint SA_Temp.Val DscgTemp_2.Val RegCool EA_Temp.Val DscgPress_2.Val GEN_RefrigerationStage Cooling_Command.Val DscgPress_1.Val GEN_CompSpeedFeedback_PCT Heating_Command.Val SuctTemp_2.Val GEN_DemandtoVarSpeedCompressor_1 RA_Temp.Val SuctPress_2.Val EVD_VariableSpeed_EEV_PosPercent_Val...

  • Page 98: Performing Updates To The Controller

    CONTROLLER UPDATES DOAS DN-Series Integrated Programmable Controls 11.4 PERFORMING UPDATES TO THE CONTROLLER If directed by TSS, you may need to perform an upgrade to the controller program. A very similar process is also used to field-install BACnet licenses into the controller. Refer to the BMS Access for that process.
  • Page 99 CONTROLLER UPDATES DOAS DN-Series Integrated Programmable Controls 6. Restore the parameters using the General Save and Restore method. Make sure you choose IMPORT! Use the Export_XX number you chose in step 1. 7. Cycle power. 11.4.2 Upgrade Type: Connect with a USB Thumb Drive Connect with a USB thumb drive to the micro USB connection.

  • Page 100: General System Monitoring

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls 3. Click on “Choose File” and locate the autorun.ap1 file on your PC that corresponds to the controller. Click “OPEN.” You should now see that file name next to “Choose File.” 4. Click “Upload AP1 to c.pco.” You will see the file upload. 5.

  • Page 101: Field-Installed Sensor Screens

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls UNIT STATUS CONDITIONS STATUS SHOWN MEANING Unit on The unit is on and running. Unit switched off due to alarm The unit is off by a serious alarm. Unit switched off by BMS The unit is off by command from the BMS.

  • Page 102: Tempering Screens

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls 12.5 TEMPERING SCREENS Depending upon whether dehumidification, heating, or cooling are enabled for the unit, and depending upon which type is used, the screens here will vary. 12.5.1 Heating Screens Each screen tells Heating type in use Control Variable (unit supply or return air) Current Setpoint (or OA reset value)
  • Page 103 SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls The cooling status values are shown. Multiple values may be true. MESSAGE MEANING Cool Locked Out 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.

  • Page 104: Frost Control Information

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls Screen showing dehumidification information, if enabled, including Dew point (return air or outdoor air) used for determining mode Conditions for mode Whether dehumidification mode is “ON” Screen showing economizer information, if enabled, including Cooling control value Cooling setpoint Whether economizer is active...

  • Page 105: Version Information Screen

    BMS ACCESS DOAS DN-Series Integrated Programmable Controls 12.8 VERSION INFORMATION SCREEN This screen contains: Type of application Version of program (SW) and operating system (OS) Unique controller identifier 13.0 BMS ACCESS The BMS settings are located in the General Settings after the scheduler. To get to that menu press the back button until it shows up.

  • Page 106: Bacnet

    13.3 BACNET RenewAire units Are BTL listed by CAREL. They allow the BMS to write to the present value by default. This means that if the BMS writes to a setpoint that setpoint can be changed by the local HMI display.

  • Page 107: Bacnet Ip Settings

    BMS ACCESS DOAS DN-Series Integrated Programmable Controls 13.3.2 BACnet IP Settings First, set the IP address of the controller in the same General Settings area. Set DHCP to Off if static. If Static, set the IP, mask, and gateway if required. Set Update? To Yes (power will need to be cycled.

  • Page 108: Bacnet Mstp Wiring

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls Next, set the BACnet MSTP Address, Baud rate, Max Master and Max Info frames as needed. If you need to set the timing values, you can do that here. 13.3.4 BACnet MSTP Wiring The BACnet MSTP network is wired into the four-pin connector named J3 Disp.
  • Page 109 SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls VALUE READ/WRITE TYPE INSTANCE VARIABLE NAME DESCRIPTION RANGE (RET) Analog Input SF_Command.Val Supply Fan Command Read_NoWrite (actual) Analog Input EF_Command.Val Exhaust Fan Command Read_NoWrite (actual) Analog Input CO2_VOC_Level.Val CO2 or VOC Level Read_NoWrite Analog Input Cooling_LAT.Val Cooling Coil Leaving Air...
  • Page 110 SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls VALUE READ/WRITE TYPE INSTANCE VARIABLE NAME DESCRIPTION RANGE (RET) Analog Value HGRH_Coil_LAT_Setp. Coil LAT Setpoint for Read_Writeable (X) dehumidification Analog Value Occ_HTG_Setp.Val Occupied Heating Read_Writeable (X) Setpoint Analog Value Occ_CLG_Setp.Val Occupied Cooling Read_Writeable (X) Setpoint Analog Value HGRH_Unit_LAT_Setp.
  • Page 111 SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls VALUE READ/WRITE TYPE INSTANCE VARIABLE NAME DESCRIPTION RANGE (RET) Binary Input DOAS_UnitOn DOAS Unit On Status Off/On Read_NoWrite Binary Input OfflineAlrm_CPCOE_1. Offline Alarm expansion OK/Alarm Read_NoWrite Active module Binary Input OfflineDOAStoREF. Offline DOAS to OK/Alarm Read_NoWrite Active...
  • Page 112 SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls VALUE READ/WRITE TYPE INSTANCE VARIABLE NAME DESCRIPTION RANGE (RET) Binary Input Al_SA_StaticPress. SA Static Pressure Level OK/Alarm Read_NoWrite Active Alarm Binary Input Al_CO2.Active CO2 Level Alarm OK/Alarm Read_NoWrite Binary Input Al_SupAir_Low_Temp_ Supply Air Low OK/Alarm Read_NoWrite Warn.Active...

  • Page 113: Bacnet Application Notes

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls VALUE READ/WRITE TYPE INSTANCE VARIABLE NAME DESCRIPTION RANGE (RET) Binary Input Al_ExhaustFanLife. Exhaust Fan Service OK/Alarm Read_NoWrite Active Request Binary Value OnOffUnitMng. BMS On/Off Command Off/On Read_Writeable BmsOnOff Binary Value OnOffUnitMng. BMS Exhaust Fan Only Off/On Read_Writeable BmsEfOnly...

  • Page 114: Alarms

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls 13.5.2 Alarms Individual alarms are mapped to Binary Inputs 500 and above. Two general alarms are available: Serious Alarm: Located at Binary Input 17, “Alarm_Out.val” indicates whether there is a serious alarm that stops the unit. Any Alarm: Located at Binary Input 72, “Any_Alarm_Out.val”...

  • Page 115: Tempering Control

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls The command to the fan is read at Analog Input 26 “SF_Command.Val.” The feedback from the current sensor is read at Binary Input 15 “SF_Status.Val.” The actual flow rate is viewed at Analog input 6 “OA_Flow_Rate.Val.” The exhaust fan control type method can be viewed at Multistate Input 3 “EF_ControlType_BN.”...

  • Page 116: Heating Control

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls DN-Series Integrated Programmable Controls See the following sections for more information on these modes. The mode is determined in this order: 1. Dehumidification: Is the unit configured for dehumidification? If so, is the unit in dehumidification mode? Dehumidification 2.

  • Page 117: Cooling Control

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls 13.5.5.3 Cooling Control The cooling control type is located at Multistate Input 5 “CLG_ControlType_BN.” The valid values are 1 = 1 Stage, 2 = 2 Stage, 3 = Cold Water Modulating, 4 = VRF, 5 = PDX. The setpoint is Analog Value 56 “Occ_CLG_SetP.Val.”...

  • Page 118: Frost Control

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls 13.5.6 Frost Control The frost control function utilizes the bypass to avoid frosting the enthalpic core. If bypass is enabled, when the OA is lower than Analog Value 77 “Defrost_OA_SetP.Val” minus Analog Value 78 “Defrost_OA_SetP.DBright,” and turns off again when the OA exceeds the AV77. The frost control status can be viewed at Binary Input 70 “DefrostOn.”...

  • Page 119: Installing The Bacnet License Via Usb Drive

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls 2. Click on “Choose File” and locate the file on your PC that corresponds to the controller. HINT: The ending character in the UID of the controller should match the character of the ap1 file.

  • Page 120: Modbus

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls 13.7 MODBUS The Modbus utilizes the standard registers and references them as an offset. For example, an offset of Input Register 0 is Register 30,001 and an offset for Holding Register 0 is register 40,001.

  • Page 121: Modbus Rtu Settings

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls If you need to set the timing values, you can do that here. 13.3.3 Modbus RTU Settings First, set the address, baud rate, stop bits and parity. Then set the timeout parameter if needed. 13.7.4 Modbus RTU Wiring The Modbus RTU network is wired into the four-pin connector named J3 Disp.

  • Page 122: Modbus Register List

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls 13.8 MODBUS REGISTER LIST Modbus Registers with an offset of 0 have been duplicated at register 98 to accommodate Automated Logic Systems and other systems that cannot map 0. READ/WRITE TYPE VARIABLE DESCRIPTION RANGE MODE (RET) Coil...
  • Page 123 SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls READ/WRITE TYPE VARIABLE DESCRIPTION RANGE MODE (RET) DiscreteInput Unocc_Mode Unoccupied Mode Status Occ/Unocc Read_NoWrite DiscreteInput Unocc_HTG Unoccupied Heating Status Off/On Read_NoWrite DiscreteInput Unocc_CLG Unoccupied Cooling Status Off/On Read_NoWrite DiscreteInput DefrostOn Frost control On Status Off/On Read_NoWrite DiscreteInput...
  • Page 124 SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls READ/WRITE TYPE VARIABLE DESCRIPTION RANGE MODE (RET) HoldingRegister SF_CO2_VOCFlowMaxCO2. SF Flow: Max CO2 Read_Writeable (X) HoldingRegister SF_CO2_VOCFlowMinFlow. SF Flow: Min Flow Read_Writeable (X) HoldingRegister SF_CO2_VOCFlowMaxFlow. SF Flow: Max Flow Read_Writeable (X) HoldingRegister SF_UnoccFlowSetP.Val SF Unoccupied Flow Setpoint Read_Writeable (X) HoldingRegister...

  • Page 125: Modbus Application Notes

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls READ/WRITE TYPE VARIABLE DESCRIPTION RANGE MODE (RET) InputRegister Heating_Command.Val Heating Command from Program Read_NoWrite InputRegister Bypass_Command.Val Bypass Damper Command Read_NoWrite InputRegister HGRH_Command.Val HGRH Valve Command Read_NoWrite InputRegister OA_Temp.Val OA Temperature Read_NoWrite InputRegister SF_ControlType_BN SF_ControlType_BN (See Notes) Read_NoWrite...

  • Page 126: Temperature And Humidity Around The Erv

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls 13.9.3 Temperature and Humidity Around the ERV The following are available: Input Register 0 “OA_Temp.Val” Input Register 2 “OA_Hum.Val” Input Register 4 “RA_Temp.Vall” Input Register 6 “RA_Hum.Vall” Input Register 8 “EA_Temp.Val” Input Register 10 “SA_Temp.Vall” 13.9.4 Fan Control The supply fan control type method can be viewed at Input Register 42 “SF_ControlType_BN.”...

  • Page 127: Tempering Control

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls 13.9.5 Tempering Control The DN DOAS unit may provide heating and cooling/dehumidification if ordered as such. For heating and/or cooling, there will be a conditioned air temperature sensor which measured the air coming out of the unit as Input Register 32 “CA_Temp.Val.” For dehumidification with either hot gas reheat or reheat by a heat source, there will also be a coil leaving temperature sensor as Input Register 28 “Cooling_LAT.Val.”...

  • Page 128: Heating Control

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls 13.9.5.2 Heating Control The heating control type is located at Input Register 44 “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.

  • Page 129: Economizer Control

    SYSTEM MONITORING DOAS DN-Series Integrated Programmable Controls 13.9.5.5 Economizer Control The economizer will be enabled when there is a call for cooling and the outdoor is more favorable than the return air. In this case it will modulate the bypass damper to bypass the enthalpic core and thus limit or inhibit the exchange of energy.

  • Page 130: Advanced Service

    ADVANCED SERVICE DOAS DN-Series Integrated Programmable Controls 14.0 ADVANCED SERVICE This area gives advanced service information, as described. These screens are used infrequently. 14.1 RUN HOURS AND STARTS For the DOAS unit as well as each fan and compressor, if applicable, there is a screen that shows the run hours as well as the number of starts.

  • Page 131: Memory Wipe

    ADVANCED SERVICE DOAS DN-Series Integrated Programmable Controls 14.5 MEMORY WIPE This screen will allow to wipe retained values (most setpoints) and/or NVRAM (clock and IP settings). You should only use this screen if directed to do so by TSS. 14.6 COMMUNICATION TO EXPANSION MODULE This screen allows you to see the status of the communication to the expansion module.

  • Page 132: Maintenance Records

    MAINTENANCE RECORDS DOAS DN-Series Integrated Programmable Controls 15.0 MAINTENANCE RECORDS 15.1 UNIT START UP CONDITIONS This page is to be used to record all settings on the controller at the time of unit start up. UNIT ID OR TAG: 15.1.1 Setpoints NAME OF SETPOINT VALUE 15.1.2 Offsets...

  • Page 133: Changes Made To A Unit After Start Up

    MAINTENANCE RECORDS DOAS DN-Series Integrated Programmable Controls 15.2 CHANGES MADE TO UNIT AFTER START UP This page is to be used to record all user changes made to controller settings and indicate the reason for the change. In some cases, the reason for the change may be self-evident. UNIT ID OR TAG: 15.2.1 Setpoints NAME OF SETPOINT...

  • Page 134: Controller Updates

    MAINTENANCE RECORDS DOAS DN-Series Integrated Programmable Controls 15.3 CONTROLLER UPDATES Anytime an updated controller program is provided by the factory and installed by the user, it should be recorded here: DATE 15.4 SETTINGS BACKUP FILE Use this space to record whether or not a backup has been performed to an external memory device (USB stick) and indicate where the USB stick is to be found.

  • Page 135: Reference

    REFERENCE DOAS DN-Series Integrated Programmable Controls 16.0 REFERENCE 16.1 TUNING PI CONTROL LOOPS For any heating or cooling device that has a variable output and uses a variable control signal (including HGRH), the desired action is for the heating/cooling device to reach the setpoint quickly and smoothly.

  • Page 136: Time Integral (Ti)

    REFERENCE DOAS DN-Series Integrated Programmable Controls 16.1.2 Time Integral (Ti) If the KP setting did not have some means of control, the resulting command signals would constantly over-shoot the setpoint. The Time Integral causes the controller to re-examine the amount of error at specific time intervals to see the amount of error remaining. Ti produces a damping effect on the KP value to reduce over-shooting the setpoint.

  • Page 137: Establishing A Kp Setting

    REFERENCE DOAS DN-Series Integrated Programmable Controls 16.1.3 Establish a KP Setting Use the KP Adjustment Chart to track and log test trials of different controller settings. Make copies of the adjustment charts, as needed. Go to Main Menu > Unit Status > Heating. Note the temperature here. Go to Main Menu >...

  • Page 138: Figure 16.1.1 Kp Adjustment Worksheet

    REFERENCE DOAS DN-Series Integrated Programmable Controls DEVICES BEING ADJUSTED KP Adjustment Trial 1 KP SETTING HEATING SETPOINT TEMPERATURE COMMAND PERCENTAGE ELAPSED TIME KP Adjustment Trial 2 KP SETTING HEATING SETPOINT TEMPERATURE COMMAND PERCENTAGE ELAPSED TIME KP Adjustment Trial 3 KP SETTING HEATING SETPOINT TEMPERATURE COMMAND PERCENTAGE...

  • Page 139: Figure 16.1.2 Ti Adjustment Worksheet

    REFERENCE DOAS DN-Series Integrated Programmable Controls DEVICES BEING ADJUSTED Ti Adjustment Trial 1 KP Setting for all Trials Ti SETTING HEATING SETPOINT TEMPERATURE COMMAND PERCENTAGE ELAPSED TIME Ti Adjustment Trial 2 Ti SETTING HEATING SETPOINT TEMPERATURE COMMAND PERCENTAGE ELAPSED TIME Ti Adjustment Trial 3 Ti SETTING HEATING SETPOINT...

  • Page 140: Filter Pressure Drop Tables

    REFERENCE DOAS DN-Series Integrated Programmable Controls 16.2 FILTER PRESSURE DROP TABLES 2" MERV 8 Clean Filter Pressure Drop (In. W. G.) 1000 1125 1500 1650 2000 2500 3000 3300 3500 4000 4500 4950 Airflow (CFM) DN-2 0.04 0.05 0.09 0.12 0.13 0.19 0.21...

  • Page 141: Temperature Sensor Curve

    REFERENCE DOAS DN-Series Integrated Programmable Controls 16.3 TEMPERATURE SENSOR CURVE Only sensors with this Carel curve should be used with this system. KΩ KΩ KΩ KΩ °C °F °C °F °C °F °C °F -50.0 -58.0 329.20 -9.0 15.8 40.56 32.0 89.6 7.72...

  • Page 142: Dn-Series Full Configuration Code

    12: Heater Size Code "7" is not available when Model Code is "DN-5-" and Unit Voltage Code is "3" or "5" and Fan Control Code is "V" and Heating Code is "E". For Technical Support E-mail: RenewaireSupport@renewaire.com To Place an Order E-mail: RenewaireOrders@renewaire.com 1.800.627.4499...
  • Page 143 20. Refrigeration Type Code "P" is only available with Location Code "RT" and Cooling Codes "D" & "R" and Phase Code "3". 21. Heating Codes "H" & "S" are not available with Cooling Codes "H" or "P". For Technical Support E-mail: RenewaireSupport@renewaire.com To Place an Order E-mail: RenewaireOrders@renewaire.com For Technical Support E-mail: RenewaireSupport@renewaire.com To Place an Order E-mail: RenewaireOrders@renewaire.com...
  • Page 144 REFERENCE DOAS DN-Series Integrated Programmable Controls kW for EC Motors (See Restrictions 1, 6, 7, & 8) Coil Mode (Water Coil Only) (See Restriction 16) 1.35kW Cooling 2.70kW Heating 3.70kW Cooling & Heating (Seasonal Changeover) Fan Horspower for VFD (See Restrictions 2, 4, & 5) Coil Style (Evaporator Coil Only) (See Restriction 10) 3 HP Standard...
  • Page 145 REFERENCE DOAS DN-Series Integrated Programmable Controls Restrictions: 16: One coil may be specified to act as both a hot water and chilled water coil. Only available when Cooling Code is C and Heating Code is H. 17: Combustion Inlet Type Separated Combustion only applies for Location Code "IN". 18: Outside Air Hood Moisture Eliminator only available in Location Code "RT".
  • Page 146 REFERENCE DOAS DN-Series Integrated Programmable Controls H M - - - - - N 1 1 N - S MODEL NUMBER DIGIT NUMBER H M - - - - - N 1 1 N - S MODEL NUMBER DIGIT NUMBER Digits 1–2: Digit 17: Heater Type...
  • Page 147 REFERENCE DOAS DN-Series Integrated Programmable Controls E K - S S - N MODEL NUMBER DIGIT NUMBER E K - S S - N MODEL NUMBER DIGIT NUMBER Digits 1–2: Heater Type (See Restriction 1) Digit 18: Voltage "EK" = Electric Heater "2"...

  • Page 148: Vfd Information

    DN-Series Integrated Programmable Controls 16.5 VFD INFORMATION The following information is for reference only. All of the VFD control is done by the RenewAire system and the settings are pre-set in the factory and should not be altered. 16.5.1 ABB VFD Information This drive is used on DN DOAS Units with VFDs.

  • Page 149: Locking And Unlocking Parameters

    REFERENCE DOAS DN-Series Integrated Programmable Controls 1. If “EXIT” is displayed above the left softkey, press softkey repeatedly until MENU appears above the right softkey. 2. Press the “MENU” softkey. 3. Use the UP/DOWN arrows to scroll the display until PARAMETERS is selected, then press the “ENTER”...

  • Page 150: Renewaire Parameter Settings

    REFERENCE DOAS DN-Series Integrated Programmable Controls 16.5.1.4 RenewAire Parameter Settings PARAMETER NAME/SELECTION ABB ACS355+N831 SETTINGS AS SHIPPED BY COMMENTS OR ACS320 HVAC DEFAULT 1611 PARAMETER VIEW 2=SHORT VIEW ACS320 3=LONG VIEW Technician needs to set to LONG VIEW 3=LONG VIEW ACS355...
  • Page 151 REFERENCE DOAS DN-Series Integrated Programmable Controls PARAMETER NAME/SELECTION ABB ACS355+N831 SETTINGS AS SHIPPED BY COMMENTS OR ACS320 HVAC DEFAULT 9902 APPLIC MACRO 1=HVAC DEFAULT or -1=USER S1 SAVE This will save the settings above that ABB STANDARD can be restored by pressing SAVE when “USER S1 LOAD”...

  • Page 152: Motor Specific Vfd Parameter Settings

    REFERENCE DOAS DN-Series Integrated Programmable Controls 16.5.1.5 Motor Specific VFD Parameter Settings PARAMETER # 9905 9906* 9908 9909 2003* 3007** ACS355— ACS320— MOTOR MOTOR VOLTAGE MOTOR RT VFD PN IN VFD PN BRAND LOAD CURVE % 136350_001 136483 136450 1760 Baldor 106350_000 136351_001...
  • Page 153 REFERENCE DOAS DN-Series Integrated Programmable Controls round up to nearest 10th and Parameter 2003 125% *Parameter 9906 motor nameplate FLA motor nameplate FLA round down to nearest 10th. Parameter 2003 is typically set at 125% FLA for motors with >= 1.15 Service Factor (SF) or motors otherwise thermally protected regardless of SF and set at 115% FLA for motors with <1.15 SF and otherwise unprotected based on National Electric Code (NEC) Article 430.32.

  • Page 154: Vfd Wiring To Controller

    REFERENCE DOAS DN-Series Integrated Programmable Controls 16.5.1.6 VFD Wiring to Controller NOTE: This wiring schematic is TYPICAL of three phase, 208–230 and 460VAC input for models DN-2 and DN-3. This drawing is for a unit that includes gas heat and EC motors.

  • Page 155: Lenze Vfd Information

    REFERENCE DOAS DN-Series Integrated Programmable Controls 16.5.2 Lenze VFD Information This drive is used on DN Units with VFDs and 575V Units. The drive is the Lenze AC Tech SMV Vector model. FIGURE 16.5.4 LENZE AC TECH VFD FIGURE 16.5.5 VFD KEYPADS IN EBOX 16.5.2.1 Lenze VFD Parameters VFD Parameters are instructions that the Variable Frequency Drives follow.
  • Page 156 To Reset VFD Parameters to Factory Settings using keypad: The VFD will need to be unlocked as described on page 11 to reset Parameters to RenewAire factory or ABB defaults. To return to RenewAire’s defaults, select parameter 9902 APPLIC MACRO and press “EDIT”...

  • Page 157: Renewaire Parameter Settings

    REFERENCE DOAS DN-Series Integrated Programmable Controls 16.5.2.2 RenewAire Parameter Settings FACTORY SET- PARAMETER NAME COMMENTS TINGS P400 Network 1 = Parameter changed on base VFD keypad Protocol to get Remote Keypad to display that is mounted in the ebox. Remote keypad not used on RD units.

  • Page 158: Motor Specific Vfd Parameter Settings

    REFERENCE DOAS DN-Series Integrated Programmable Controls 16.5.2.3 Motor Specific VFD Parameter Settings PARAMETER # P108 P165 LENZE AC 3PH MOTOR MOTOR VFD OUTPUT MOTOR VOLTAGE TECH VFD PN BRAND AMPS OVERLOAD 136506 wired Marathon 136297_001 136506 wired Marathon 136297_001 136508 Marathon 136298_001 136509...

  • Page 159: Vfd Wiring To Controller

    REFERENCE DOAS DN-Series Integrated Programmable Controls 16.5.1.5 VFD Wiring to Controller NOTE: This wiring schematic is TYPICAL of three phase, 575VAC input for models DN-2 and DN-3. This drawing is for a unit that includes gas heat and VFD motors. A unit-specific electrical schematic is found inside the access door to the...

  • Page 160: Glossary

    DOAS DN-Series Integrated Programmable Controls 17.0 GLOSSARY Analog Control Signal An analog signal is a varying-voltage output signal, typically between 0–10 volts. It is most often used to produce a specific amount of output from a variable-output device, such as a digital scroll compressor or a variable speed fan.
  • Page 161 DOAS DN-Series Integrated Programmable Controls IO Configuration Refers to the specific wiring terminals on the controller that are assigned for each Input or OutputIP IP Address A unique string of numbers separated by periods that identifies each computer using the Internet Protocol to communicate over a network Hot Gas Reheat (HGRH) Used in dehumidification, hot gas reheat relies on an additional coil downstream of the cooling...
  • Page 162 DOAS DN-Series Integrated Programmable Controls Setpoint The desired value in a closed-loop feedback system, as in regulation of temperature or pressure. USB/USB Port Universal Serial Bus. There are different types of USB ports that are commonly used. Type “A” ports are almost always found on computers and are used to connect with other electronic devices.
  • Page 163 DOAS DN-Series Integrated Programmable Controls NOTES 1.800.627.4499...
  • Page 164 About RenewAire For over 30 years, RenewAire has been a pioneer in enhancing indoor air quality (IAQ) in commercial and residential buildings of every size. This is achieved while maximizing sustainability through our fifth-generation, static-plate, enthalpic-core Energy Recovery Ventilators (ERVs) that optimize energy efficiency, lower capital costs via load reduction and decrease operational expenses by minimizing equipment needs, resulting in significant energy savings.

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