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Oxygen 8 VENTUM Series Operation & Maintenance Manual

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VENTUM
Operations & Maintenance
Ventum Operations & Maintenance Manual

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Summary of Contents for Oxygen 8 VENTUM Series

  • Page 1 VENTUM Operations & Maintenance Ventum Operations & Maintenance Manual...
  • Page 2 TABLE OF CONTENTS 1. General Information 6.6 Fuse Replacement 2. Configuration Chart 6.7 Control Unit Status Display 3. Specifications 6.8 Configuration Screens 6.8.1 Fan Configuration 3.1 System Overview 6.8.2 Fan Settings 3.2 General Specifications 6.8.3 Preheat & Post Heat Configuration 3.3 Electrical DOAS/ERV 6.8.4 Coil Configuration...
  • Page 3 1.0 GENERAL INFORMATION This manual includes important instructions for safe connection of the Energy Recovery Caution: This sign indicates Ventilator (ERV). Before connecting the apotentially hazardous unit, please read carefully and follow situation, which may result the instructions. in minor or moderate injury if not avoided.
  • Page 4 2.0 CONFIGURATION CHART The following is a complete description of the packaged model numbers and nomenclature. Main Code: VENTUM_XXX_XXX_X_X_X_XX_XX_XX_ XXXX_XX_XX_X VENTUM_H05_ERV_B_I_ R_S1_DP_OX_2081_13_08_A Sales Drawings: VENTUM_H05_ERV_B_I_R_S1_DP_OX_A Size H05, H10, H15, H20, H25, H30 Heat Exchanger Latent - ERV Outdoor Air and Supply Air Standard - OS Sensible - HRV Location Outdoor Air Standard and Supply Air...
  • Page 5 3.0 SPECIFICATIONS 3.1 System Overview Standard units come complete with ERV or HRV energy recovery option, EC fans, 2” filters, fully integrated controls and casing as outlined in the spec below. 3.2 General Specifications Options Standard Features Integrated Heating and Cooling Certification Hydronic, Electric, DX Coils (using EEV kit) AHRI and UL Certified...
  • Page 6 3.3 Electrical DOAS/ERV MOTOR SA FAN SCCR SIZE AIRFLOW NOM. V PHASES MOP (A) (KW) (KA) 208/240 0.50 2.50 5.29 5.91 1000 208/240 0.78 3.90 8.09 9.06 1350 2.00 6.00 12.33 13.83 1350 2.50 4.00 8.14 9.14 1800 2.00 6.00 12.33 13.83 1800...
  • Page 7 3.4 Fan and Core Performance ERV PERFORMANCE PD (SUPPLY, PD (SUPPLY, AIRFLOW SRE NO LRE NO TRE NO MODEL RETURN) RETURN) NO (CFM) BYPASS BYPASS BYPASS BYPASS BYPASS BYPASS BYPASS BYPASS 79.4 82.6 74.4 76.3 80.4 0.25 0.16 72.5 75.7 61.4 67.7 65.5...
  • Page 8 Fan Data NOM. VOLTAGE/ MODEL FLA (A) SP “Wg FLA (A) H05  600  240 / 1~ / 60 / 2.5  1.8  0.4  1.25  H10  1000  240 / 1~ / 60 / 3.9  2.8  0.6  1.25  H15  1350  460 / 3~ / 60 / 3.2  4.0 ...
  • Page 9 Air Performance H05 - 600 CFM - 240 / 1~ H10 - 1000 CFM - 240 / ~1 H15 - 1350 CFM - 460 / 3~ H15 - 1350 CFM - 208 / 3~ H20 ― 1800 cfm ― 460 / 3~ H20 ―...
  • Page 10 Air Performance H25 - 2250 CFM - 460 / 3~ H25 - 2250 CFM - 240 / ~3 H30 - 3000 CFM - 460 / 3~ H30 - 3000 CFM - 240 / 3~ Ventum Operations & Maintenance Manual...
  • Page 11 3.5 Dimensions CLEARANCE ZONE CLEARANCE ZONE DOOR DOOR 36" SWING SWING RIGHT VIEW FRONT VIEW RIGHT VIEW FRONT VIEW SIZE RDC-OW EXT-OW DESCRIPTION LENGTH WIDTH HEIGHT DOOR HEIGHT OPENING OPENING "REDUCED “EXTENDED HEIGHT WIDTH OPENING OPENING WIDTH WIDTH (OPPOSITE (COUPLED SIDE OF COOLING COOLING...
  • Page 12 4.0 CONFIGURING CONTROLS 4.1 Setting the Fan Operating Points Under the “Fan Configuration” and “Fan Settings” screens, you can set the way in which fans and air volumes are to be controlled and regulated. Fans and air volumes can be controlled according to the following operating modes.
  • Page 13 Ventum Operations & Maintenance Manual...
  • Page 14 4.1.4 VOC/CO2 Control 4.1.1 Constant Air Volume • Supply and return fans are controlled in • The CO2 concentration in the room is controlled by regulating air volume via relation to flow/air volumes in the Supply and return ducts respectively. fan speed.
  • Page 15 4.2 Fan Control: Constant Air Volume Return Supply 1.20 Supply Air Fan Low Speed 1.10 Supply Air Fan Low Speed Set the required setpoint for return flow at Set the required setpoint for supply flow at “Low” speed “Low” speed 1.21 Supply Air Fan Mid Speed 1.11 Supply Air Fan Mid Speed Set the required setpoint for return flow at...
  • Page 16 4.3 Fan Control: Constant Pressure Return Slave Supply 1.31 Supply Air Fan Low Speed Set the required setpoint for Supply flow at “Low” speed 1.31 Supply Air Fan Mid Speed Set the required setpoint for Supply flow at “Medium” speed 1.33 Supply Air Fan High Speed Set the required setpoint for Supply flow at “High”...
  • Page 17 4.4 Fan Control: Constant CO2 The function is used to maintain a constant/ maximum CO2 level in a room or return duct. If the CO2 level is higher than the setpoint, return volume will be increased in a modulated fashion to “Return Air Fan High Speed”...
  • Page 18 4.5 Fan Control: Constant VOC The function is used to maintain a constant/ The function is used to maintain a constant/ maximum VOC level in a return duct. If the VOC level is higher than the setpoint, return volume will be increased in a modulated fashion “Return Air Fan High Speed”...
  • Page 19 4.6 Constant Pressure Both Fans The function is used to maintain pressure setpoints (VAV) at the Supply and Return ducts simultaneously. Set the desired pressure setpoints using parameters 1.31, 1.32 & 1.33 for the Supply Fan and 1.70, 1.71 & 1.72 for the Return Fan External 0-10V Control •...
  • Page 20 4.8 Cooling The function is only available if active cooling in the form of a cooling element is installed and configured. The function is used to ensure that active cooling can be used if certain set preconditions are met. Cooling Settings 3.1 Cooling Type Select the type of cooling coil installed.
  • Page 21 4.9 Dehumidification The function is used to lower the relative humidity in the room by dehumidification. When dehumidification of the room is demanded, the energy content of the air (enthalpy) is measured continuously in the fresh air and exhaust air respectively. The air that is dehumidified and supplied to the room will thus always be the air that requires the least energy for dehumidification.
  • Page 22 4.10 Summer/Winter Compensation Under General Temperature Settings, it is possible to set temperature compensation parameters for summer and winter operation. When selected, compensation offsets the temperature setpoint in relation to outdoor temperature in summer and/or winter. 5.3 Setpoint Compensation Enables/Disables Setpoint Conversation 5.4 Winter Start Temperature Outdoor temp temperature for start of winter compensation...
  • Page 23 4.11 Locking the Fan Speed Adjustment On the Home screen, by clicking on any fan, a popup screen opens. Select Hand on SA Fan Mode (and on RA Fan Mode) and then enter the desired speed on Hand Speed. The function, which is used for VAV installations, allows the installer to maintain constant air quantity during system adjustment.
  • Page 24 4.12 Communication Protocols External Communication Setting communication parameters for TCP/IP, LAN, Web browser and BMS Set Internet Connection Static/Dynamic DHCP = IP address assigned from DHCP server on local network or from the Internet Static = the installer must set the following communication parameters: •...
  • Page 25 BACnet Settings for external BACnet communication BACnet IP is enabled by default On the General Tab, it is possible to edit: • Controller Name • Device ID • Location • Description • APDU • APDU Segment Timeout • APDU Retries On Network IP Ports, it is possible to edit: •...
  • Page 26 4.13 Restore/Back-up Settings System > Backup & Restore tab > Import Backup From PC Select Backup File > Locate the saved file and select it > Next Ventum Operations & Maintenance Manual...
  • Page 27 Select "User Management", "Network Configuration", "EC-gfxProgram and BACnet objects", "BACnet Configuration and Firmware Modules" boxes > Next Select "ECY303_RTU" box > Next Ventum Operations & Maintenance Manual...
  • Page 28 Select "Remove backup file after restore" box > Finish The controller is now restoring the files and rebooting. This process takes about 3 minutes. Ventum Operations & Maintenance Manual...
  • Page 29 5.0 OPERATION Setting operating modes and weekly programs. Ventum Operations & Maintenance Manual...
  • Page 30 5.1 Operation Mode On the Home screen, by clicking on any fan, Select Fan Speed “Stop” = the system is stopped • Safety functions are active • Outdoor and exhaust air dampers are closed “Low speed” = the system runs constantly according to the parameter settings for low speed •...
  • Page 31 5.2 Scheduling Operating Times Schedules are used to define different weekly events (weekly schedule) and special events also referred to as exceptions. The different options used to configure a schedule are displayed by right-clicking on the Schedule. One menu is displayed when adding a new event and another menu is dis played when editing an existing event.
  • Page 32 5.2.2 Adding an Exception Exceptions are special events or special days in the currently selected schedule instance. Typically, you use them to define days with scheduling exceptions (for example, holidays). In the Exceptions tab, click Add. The Event Editor pop-up is displayed.
  • Page 33 5.3 Temperature Setpoint The setpoint described in this section is always the temperature setpoint for the control type selected. The options are: • Constant Supply Air Temp • Constant Return Air Temp • Constant Room Air Temp The selected control type is displayed above. Control Type is Selected Under Home >...
  • Page 34 5.4 Time and Date • Go to System and select the Locatime/ Time tab . • Set the “Set time automatically” button to ON, or enter the date and time manually. • If you wish to use the computer time, se- lect the “Get Current Computer Date Time”...
  • Page 35 5.5 Alarm Console The Alarm Console allows you to view and reset active alarms. The Alarm Console has two sections: Critical Alarms and Alarms Auto Reset. which will make a system stop procedure. Critical Alarms need to manual reset after they are triggered (with the exception of Ex- ternal Stop Digital Input which can be configured to auto reset).
  • Page 36 5.6 Trends The Trends screen contains the Trend Builder, which the operator can use to view all trend log objects that reside in the data tree of the controller by plotting the data of the selected trend on the chart, along the x and y axes.
  • Page 37 6.0 MAINTENANCE Warning: Danger: During all work on fan in the Clean the fan’s flow area: hazardous area: Wet cleaning under voltage may lead Maintenance operation is only to be to an electric shock - danger to life! performed by trained service personnel. Do not use any aggressive, paint solventcleaning agents when cleaning.
  • Page 38 6.2 DX Coil Note: When the coil surface itself Operation and Maintenance needs cleaning, ensure an appropriate for First Time Use solution and equipment are selected to avoid damage to the coil and/or Air Distribution enabling any health hazards. Cleaning should be done inwards from the air- •...
  • Page 39 6.3 Hydronic Coil Operation and Maintenance First Use Recommendation Cleaning • The air vent (at the uppermost point on • Coils must be cleaned periodically to obtainmaximum performance. Soiled fins theassembly) should be opened during set-up toexhaust any air from the coil. reduce the capacity of the coil, and de- mand more energy from the fan To maintain heat transfer capacity,...
  • Page 40 6.4 Counter-flow Core Cleaning Core Cleaning Instructions We recommend washing our exchanger at least once per year, using tap water. If the Obtain access to a source of exchanger becomes heavily soiled, a mild regular tap water. Do not use a detergent such as Dawn®, Palmolive®...
  • Page 41 6.5 Filters To achieve required sizing, some Ventum units use two standard-sized filters butted against each other. Both filter sized will need to be ordered to replace the filters. Ventum units come with one or two standard-sized 2” filters per airstream. If two filters per airstream are required, the two must be butted end-to-end within the unit filter rack in both airstreams.
  • Page 42 6.7 Control Unit Status Display The display shows an overview of the system’s actual status and operating conditions. The menu on the left allows navigation to the different screens: • Home Nova (System Overview) • Configuration screens (more details on section 6.8) •...
  • Page 43 Hand Mode Operation Setting equipment in Hand Mode can be Note: after maintenance and testing, used during service and maintenance to test make sure to set all components that the outputs work as intended. back to Auto for proper operation. Use the Master Auto button on To use Hand Mode, from the Home screen, General Configuration.
  • Page 44 6.8 Configuration Screens The Configuration screens display and allow modification of all the program settings. They are organized into groups: Fan Configuration, Preheat and Heat Configuration, Cooling and DX Coil Configuration and General Configuration. 6.8.1 Fan Configuration This screen allows configuration of the fans with the following settings: 1.1 Fan Speed Control Mode 1.4 Reduced Air Flow Option...
  • Page 45 1.35 High SA Pressure Alarm Time 1.11 Supply Air Fan Mid Speed Set the time to wait to trigger the Supply Set the required setpoint for Supply flow High Pressure Alarm when the pressure ex- at “Medium” speed during Constant Air ceeds the deadband (1.34 above) Volume control.
  • Page 46 1.70 Return Air Fan Low Speed Set the required setpoint for Return flow at “Low” speed during Constant Pressure-RA Salve or Constant Pressure-Both control 1.71 Return Air Mid Speed Set the required setpoint for Return flow at “Medium” speed during Pressure-Both Slave or Constant Pressure-Both control 1.72 Return Air High Speed Set the required setpoint for Return flow at...
  • Page 47 6.8.2 Fan Settings This screen allows configuration of the fans with the following settings: 1.80 Supply Air Fan Enable 1.90 Return Air Fan Enable This screen allows configuration of the Determines if the Return Fan is present heating coils (pre and post) or not 1.81 Supply Air Fan Start Delay 1.91 Return Air Fan Start Delay...
  • Page 48 6.8.3 Preheat & Post Heat Configuration This screen allows configuration of the heating coils (pre and post). 2.1 Preheater Type 2.21 Startup Heating Percentage Selects whether there is no preheater During the system start-up, sets the hydronic installed or if it is electric or hydronic. preheater output after starting the supply air fan.
  • Page 49 2.25 Frost Protection Alarm Temperature 2.54 Frost Protection P-Band Sets the hydronic return water temperature When the system is running and 2.50 is frost protection alarm setpoint. This alarm enabled, frost protection activates on a linear stops the unit. relationship defined by parameters 2.53 & 2.54.
  • Page 50 6.8.4 Coil Configuration This screen allows configuration of the cooling & DX Coils (Heat Pump) and HGRH 3.1 Cooling Type 3.10 Startup Heating Percentage Selects whether there is no cooling coil in- During the start-up sequence of the stalled or if it is a DX coil, Hydronic or HGRH. ventilation system, the heating valve will be overridden to the value set.
  • Page 51 3.32 RH Target Margin Dead band for the RH Target. Defines when the humidity level has been satisfied and cooling returns to normal. 3.33 Dehumidification Cooling Output Sets the cooling output during dehumidification. 3.34 RH Sensor Selection Selects what sensor to use for dehumidification: SA Duct, RA Duct or Room.
  • Page 52 6.8.5 DX Coil Configuration This screen allows configuration of the DX Coil when a W controller is used 3.50 Control Mode Selection 3.57 Cooling Step 2 Stable Time Set the DX coil W-controller mode as Step or Set the cooling step 2 elapse time before PI Control Mode step 3 starts.
  • Page 53 3.63 Heating Step 1 Stable Time Set the heating step 1 elapse time before step 2 starts. If during the stable time, the current temperature meets the deadband, time will expire immediately 3.64 Heating Step 2 Stable Time Set the heating step 2 elapse time before step 3 starts.
  • Page 54 DX Coil W-Controller heating mode DX Coil W-Controller cooling mode Ventum Operations & Maintenance Manual...
  • Page 55 6.8.6 Filter & Damper Configuration This screen allows configuration of the filters and dampers. 4.1 Outdoor Air Damper 4.10 Outdoor Air Filter Selects whether the outdoor damper is Selects whether the outdoor air filter is present or not. present or not. 4.2 Outdoor Air Damper Delay Time 4.11 Alarm Type Set the time the damper takes to open.
  • Page 56 4.20 Exhaust Air Filter 4.36 Efficiency Warning Level Selects whether the exhaust air filter is Sets the sensible efficiency setpoint under present or not. which a warning is issued. 4.35 has to be set to Enable. 4.21 Alarm Type Select Static Pressure or Time Based for the 4.40 Frost Protection Type exhaust air filter.
  • Page 57 4.44 Ice Protection Temperature Sets the exhaust air temperature to trigger ice protection. When the exhaust air temperature falls below this setpoint plus Deadband (parameter 4.45). The bypass damper is open at 100%. If the exhaust air temperature remains below this setpoint for 10 minutes, the “HR core defrost”...
  • Page 58 6.8.7 General Configuration This screen allows configuration of general settings including fire alarms and temperature settings. 5.7 Summer Start Temperature 5.2 Temperature Control Mode Outdoor temperature for start of summer Selects the temperature control mode, compensation depending on the location of the temperature sensor used for control: 5.10 Temperature Setpoint Type Constant Supply Air Temp, Constant...
  • Page 59 5.15 Winter Temperature Setpoint 5.21 Unit Fire Alarm RA Temperature Set the Winter time setpoint. Winter time Set the internal fire Return Air Temperature. If is defined based on 5.11 above the temperature exceeds this value, the ERV triggers an alarm, fans stop, dampers are 5.16 Occupied Temperature Setpoint closed and heating and cooling systems are Set the Occupied temperature setpoint.
  • Page 60 5.46 Dial LCD Enable Master Auto button Determines if a Distech dial HMI is present Setting this button to ON changes the mode or not. If enabled and the HMI is not of every element to AUTO (Fans, Dampers, connected the controller will issue a Heater, Cooling, HGRH) communication alarm Use it if during commissioning some ele-...
  • Page 61 6.8.8 Alarm Settings This screen allows configuration of the alarms 6.1 Low SA Temp. Deadband 6.13 Auto Reset Set the low supply air temperature alarm Set the auto reset deadband. Low supply air temperature = • Disable: system stop and manual reset Temperature SP - Deadband •...
  • Page 62 6.8.9 myDC Control App The main menu of the controller appears with the following options: The myDC Control App from Distech allows control and monitoring of the unit from a • Schedules mobile phone or tablet. • Favorites Once connected to the controller via WiFi •...
  • Page 63 Schedules Schedules are used to define different weekly events (weekly schedule) and special events also referred to as exceptions. The app allows review or modification of the schedules set on the web HMI. Refer to section 2.2. Ventum Operations & Maintenance Manual...
  • Page 64 Favourites The favorites screen allows quick access to the most important settings and data. It has 6 sections: Setpoints, Key Data, Control, Hand/ Auto, Alarms and Warnings Setpoints TemperatureSetpoint Set the required Temperature Setpoint (used for the Single Setpoint option) SAlowSpeedCfm Set the required setpoint for Supply flow at To modify at setpoint, touch it and from the...
  • Page 65 Key Data SAfanAirflowCfmHMI Current Supply Air Fan flow in CFM RAfanAirflowCfmHMI Current Return Air Fan flow in CFM SAtemperature Current Supply Air temperature in the selected units OAfilterPressure Current Outdoor Air Filter pressure in Pascals EAfilterPressure Current Exhaust Air Filter pressure in Pascals BPDposHMI Bypass Damper position in %...
  • Page 66 Control OperationModeSelection • Stop: The system is stopped • Low speed: The system runs constantly according to the parameter settings for low speed • Mid speed: The system runs constantly according to the parameter settings for mid speed • High speed: The system runs constantly according to the parameter settings for high speed •...
  • Page 67 Hand/Auto This screen allows selecting the operation mode of the unit’s elements. In Auto they follow the controller algorithms, in Hand they allow manual commands for commissioning and testing purposes. The elements are the following: SAfanHandAuto: Supply Air Fan mode SAfanHandSpeed: Supply Air Fan speed when in Hand mode RAfanHandAuto: Return Air Fan mode...
  • Page 68 Alarms These alarms auto-rest when the condition that causes them disappears ALARM STATE H101dinFault External stop alarm io fault H101doutFault G-Alarm io fault H102dinFault External start stop io fault H102doutFault Unit operation and fan run signal io fault H103ainFault Preheater return water temprature io fault H103doutFault Damper open close signal io fault H104ainFault...
  • Page 69 ALARM STATE RAfan3FBalarm RA fan 3 FB alarm RAhuba42CommFault RA huba sensor fault RAhuba42Fault RA huba sensor fault SAductHuba44CommFault SA duct huba sensor fault SAductHuba44Fault SA duct huba sensor fault SAductTempRHcommFault sensor fault SAductTempRHfault sensor fault SAfan1CommFault SA fan 1 comm fault SAfan1Fault SA fan 1 alarm SAfan1FBalarm...
  • Page 70 Critical Alarms These are the most critical alarms and their state. These alarms stop the unit and require manual reset. CRITICAL ALARM STATE EAdamperFBalarm Exhaust Air damper no open feedback detected FireAlarmInside Intrenal fire alarm HighRApressureAlarm High Return Air pressure alarm HighSApressureAlarm High Return Air pressure alarm HRcoreDefrostBPDEAalram...
  • Page 71 Warnings This is the list of the most critical alarms and their state. ALARM STATE CombiDefrostOnMsg DX coil OD defrost signal EAfilterPressWarning EA filter high pressure ECsmartWarning ECSmart sensor disconnected or fault HGRH1systemCommFault Daikin D Controller 1 Comm Fault HGRH1systemFault Daikin D Controller 1 Fault HGRH2systemCommFault Daikin D Controller 2 Comm Fault...
  • Page 72 Ventum Operations & Maintenance Manual...
  • Page 73 Settings This screen allows setup of the date, time and time zone. Touch each section, and use the popup to set the desired date, time and zone. Ventum Operations & Maintenance Manual...
  • Page 74 Device Information Contains information about the controller. The most relevant information is: • Version: This is the firmware installed on the controller. Consult with Oxygen8 for the recommend firmware • IP Address: IP address of the Ethernet adapter for wired communication with the controller •...
  • Page 75 7.0 ALARM LIST TYPE DELAY LIMIT AUTO UNIT ALARM/ DESCRIPTION ALARM SEC. RESET STOP WARNING Inside fire Internal fire alarm Alarm 1 alarm External External fire alarm Alarm 2 fire alarm HR core Core defrost alarm-by- defrost pass damper with EA Alarm 3 alarm temperature...
  • Page 76 TYPE DELAY LIMIT AUTO UNIT ALARM/ DESCRIPTION ALARM SEC. RESET STOP WARNING Hardware Input 104 Universal input 4 fault Alarm 11 Alarm Hardware Input 105 Universal input 5 fault Alarm 12 Alarm Hardware Input 106 Universal input 6 fault Alarm 13 Alarm Hardware Input 107...
  • Page 77 TYPE DELAY LIMIT AUTO UNIT ALARM/ DESCRIPTION ALARM SEC. RESET STOP WARNING SA fan 3 Supply air fan 3 Modbus Alarm 28 Alarm communication fault RA fan 3 Return air fan 3 Modbus Alarm 29 Alarm communication fault SA Huba SA fan pressure sensor sensor reliability or Modbus...
  • Page 78 TYPE DELAY LIMIT AUTO UNIT ALARM/ DESCRIPTION ALARM NO. SEC. RESET STOP WARNING Low effi- Core sensible efficiency ciency level Warning 10 lower than setpoint warning Electric post heater After cooling remnant heat flushing Warning 11 mode before unit stop Dehumidifi- DX coil/ HGRH Warning 12...

This manual is also suitable for:

Ventum h05Ventum h10Ventum h15Ventum h20Ventum h25Ventum h30