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Nagas ABE Series, Installation, Operation And Maintenance Manual, Page: 31 / 45

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Installation, operation, and maintenance manual-ABE Rev 1_2023

 

 

 

 

 

 

 

Object-name

 

Object Type 

 

Object 

Instance 

 

Description

 

Unit-code

 

UnitWarning 

Binary 

9 

Unit in warning 

 
 

  Reserved 

Binary 

10 

 
 

 

RecuperatorMotorAlarm 

Binary 

11 

Alarm recuperator motor 

 
 

RecuperatorSensorAlarm 

Binary 

12 

Sensor of the recuperator in 

alarm 

 

DamperStatusAlarm 

Binary 

13 

Dampers in alarm 

 
 

SupplySensorAlarm 

Binary 

14 

Alarm supply temperature 

sensor 

 

OutsideSensorWarning 

Binary 

15 

Outdoor temperature sensor 

warning 

 

ReturnSensorWarning 

Binary 

16 

Return temperature sensor 

warning 

 

ExhaustSensorWarning 

Binary 

17 

Exhaust temperature sensor 

warning 

 

FrezstatAlarm 

Binary 

18 

Low freeze limit alarm 

 
 

SupplyPressureSensorWarning 

Binary 

19 

Supply pressure sensor 

warning 

 

ReturnPressureSensorWarning 

Binary 

20 

Return pressure sensor 

warning 

 

SupplySP0-10VLowWarning 

Binary 

21 

Supply SetPoint 0-10V Low 

Warning 

If Control Mode = 

1 (Remote) 

ModAirFlow0-10VLowWarning 

Binary 

22 

Modulation AirFlow 0-10V Low 

Warning 

If Control Mode = 

1 (Remote) 

CloggedFiltersWarning 

Binary 

23 

Clogged Filters Warning 

 
 

VFDAlarm 

Binary 

24 

VFD Alarm 

 
 

SupplyFBVFDAlarm 

Binary 

25 

Supply Feedback VFD Alarm 

 
 

ReturnFBVFDAlarm 

Binary 

26 

Return Feedback VFD Alarm 

 
 

 

 

 

Summary of Contents for ABE Series

Page 1: ...RIES ENERGY RECOVERY SYSTEM Indoor and Outdoor installation INSTALLATION OPERATION AND MAINTENANCE MANUAL 1385 Lionel Boulet Blvd Varennes Québec J3X 1P7 Toll Free 1 888 514 8007 Tel 438 338 1101 www nagasinnovation com ...

Page 2: ...special instructions for installation operation or maintenance that are important but are not related to bodily injury or property damage Before you begin installing the device read understand and follow all the instructions given in this manual including all safety precautions and warnings This device is connected to high voltages and contains parts that can move unexpectedly Never open the acces...

Page 3: ...16 7 1 LOCAL CONTROL MODE 16 7 2 REMOTE CONTROL MODE 16 7 3 BACNET CONTROL MODE 17 7 4 CONTROL OF THE RECUPERATION 18 8 CONTROL INTERFACE HMI 20 8 1 NAVIGATION IN THE HUMAN MACHINE INTERFACE HMI 20 8 1 1 HMI STRUCTURE 21 8 1 2 BACNET LIST 30 8 1 3 ALARMS LIST 32 9 TYPICAL WIRING DIAGRAM 34 9 1 TYPICAL WIRING DIAGRAM 34 9 2 TYPICAL CONTROL PANEL 40 10 UNIT MAINTENANCE 41 11 BLOWERS BALANCING PROCED...

Page 4: ... is required between the walls of the appliance and any combustible material A minimum clearance of 39 inches is required in front of the appliance door to access the controls Allow sufficient space around the unit for servicing and around the air intake hood to prevent snow accumulation Clearances to combustible materials and controls access Position Inch mm Wall of the controls 39 1000 Contour w...

Page 5: ... the time of sale Knowledge of and compliance with the legal provisions as well as the standards inherent in the design implantation installation commissioning or maintenance are the sole responsibility of the installer or integrator Be aware that this manual does not cover all possibilities situations or contingencies Regular service is required to ensure the proper functioning and safety of this...

Page 6: ...vided for in paragraphs a to d above on which a credit corresponding to the value under guarantee will be granted Parts supplied as a replacement under a full value warranty will be guaranteed for the unexpired duration of the original warranty for our Product Parts supplied as a replacement under a proportional value guarantee will be guaranteed for the duration of the warranty of our Product the...

Page 7: ... may not apply to you 2 5 PARTS REPAIRS AND MAINTENANCE Any spare parts must be identical or be an approved alternative to the original part supplied The spare part must meet the specifications of the original in terms of functionality including certifications adjustments range of operation accuracy and operation Failure to replace parts or components with equivalent parts may result in equipment ...

Page 8: ...is not limited to Shrink protector film Wooden box Lashing bolts angle protectors Always dispose of shipping and packaging materials in accordance with the respective local regulations so that they cannot cause any damage and or pollution Make sure all separate accessories for installation are available Make sure all the necessary equipment tools and labor are available at the installation site 3 ...

Page 9: ...G Injury or death can result from improper rigging and lifting Maneuvers must be performed by a qualified operator with appropriate equipment using appropriate and approved safety precautions 3 4 ASSEMBLY This equipment must be level mounted and secured to the floor to avoid operational problems If a roof base flashing is used it must provide continuous support throughout the unit to minimize defl...

Page 10: ... of air covers with sealant to avoid openings between the entrance cover and the outer wall of the unit and thus the risk of intrusion of rain or snow 3 6 INSTALLATION OF AIR INLET OUTLET COVERS IF REQUIRED Electrical connections inside the unit are made at the factory before the unit is shipped The contractor at the site must take care of making the connections of the general power supply and rem...

Page 11: ...verse two phases to the incoming power only All electrical duct passages on the control panel must be sealed to prevent moist air from the building from migrating to the control panel WARNING No unspecified and unapproved external load shall be added to the control transformer circuit or the main supply circuit without the written consent of Nagas Express where the warranty will be void ...

Page 12: ...lock the power supply before maintaining this equipment All work must be performed by a qualified technician DO NOT BYPASS LOCK OR SAFETY SWITCHES UNDER ANY CIRCUMSTANCES Recommended tool Voltmeter Before delivery all units are subjected to a factory test To perform a function test after installation follow these steps Make sure that the control panel is completely wired with the correct input vol...

Page 13: ...l as the initial start up procedure to ensure that everything is working well and safely Make sure that the main electrical disconnector is in the OFF position Check the status of the filters replace them if necessary Ensure that nothing partially or completely obstructs the air inlet and outlet Make sure there is no stagnant water in the device Check that the wire connections are not loosened Mov...

Page 14: ...ir duct The heat bank on the right is being loaded with heat by the return air from the upper right damper Return air is cooled and exits through the exhaust duct Damper position 2 The two heat banks reverse their functions and outside air is now coming from the top right damper of the recovery unit Image shown for reference only A control system changes the damper positions following different mo...

Page 15: ...ts Maybe remove for inspection or maintenance only 5 1x Link rod To mechanically connect the movement of the two damper walls 6 3x Inspection panels IMPORTANT A sticker will indicate the direction of rotation If it does not turn in the right direction reverse two phases of feeding at the main disconnect Left hand motor Right hand motor NOTICE The unit has been tested at the factory if the rotation...

Page 16: ...rature readings of each sensor in the unit Outside sensor Supply sensor Return air sensor Exhaust sensor Notification of alarms Fan airflow reading CFM 7 2 REMOTE CONTROL MODE Start sequence Starting the unit via dry contact by others Once the dry contact is closed the fresh air and exhaust dampers opens at their maximum position Following the proof of opening of the fresh air and exhaust dampers ...

Page 17: ...P or IP The fresh air and exhaust dampers open at their maximum position Following the proof of opening of the fresh air and exhaust dampers the supply and exhaust fans start at the chosen speed CFM according to the instruction sent via BACnet The recuperator starts and modulates according to the supply temperature setpoint via BACnet communication Alarms are sent via BACnet communication Note The...

Page 18: ... of the supply setpoint and the return temperature is greater than the supply setpoint the unit is in heating recovery mode The controller modulates the recuperator dampers to maintain the desired set point by varying the cycle time of the dampers between 20 and 120 sec Cooling recovery mode If the outside temperature is higher than the temperature differential adjustable from 2 to 10F of the supp...

Page 19: ...sor or low temperature limit unit shutdown Note Alarms must be corrected and then erased by the operator interface to restart the unit In case of alarm it will be displayed automatically on the interface and can be erased A list of alarms can be viewed on the HMI interface see Alarms and Alarm History sections CAUTION Only a qualified and competent electrician is authorized to perform electrical m...

Page 20: ... value of the selected parameter or move up to select the parameter Arrow to decrease the value of the selected parameter or move down to select the parameter Arrow to go to the next page or move to the icons of the navigation page Arrow to go to the previous page or move to the icons of the navigation page OK Enter a selected parameter or save the change in value ...

Page 21: ...21 of 45 Installation operation and maintenance manual ABE Rev 1_2023 8 1 1 HMI STRUCTURE ...

Page 22: ... is selected pressing OK opens Start page If the Flashing Alarm is selected pressing OK opens page ALARMS Start up page Allows to start the unit if in local mode and view the status of the unit Left arrow 2 sec back to main menu Alarm page Displays alarms if applicable Left arrow 2 sec back to main menu Clear alarms Tap Ok Eff Flashes Down Arrow change to OK Press OK ...

Page 23: ...pressing OK Left arrow 2 sec back to MAIN MENU Setpoints page Allows the adjustment of the setpoints and values reading Left arrow 2 sec back to MAIN MENU Right Arrow opens Timer Option Page To change the setpoint select the setpoint highlighted in black press Ok flashes with the down up right or left arrows change the setting and then press OK to accept it ...

Page 24: ... back to the SETPOINT page Timer page Adjustment of the timer schedule Status Displays whether the timer is enabled or not Select allows to select the action To change the values the value is displayed in black press Ok the value flashes with the down up right or left arrows change the value and then press OK Left arrow back to the TIMER OPTION page Status page Displays the status of temperatures ...

Page 25: ...pers Cycle Time Time between each damper cycle DelayDampAlar time before the dampers will be in alarm FreezStatAlar time before the Low Freezing Limit will be in alarm Clock setting page Allows you to set the date and time in the PLC Left arrow 2 sec back to menu page To change the values the value is displayed in black press Ok the value flashes with the down up right or left arrows change the va...

Page 26: ...enu page Password Level 1 50 Password Level 5 for qualified personnel only Settings Menu page Allows you to select a settings submenu The up and down arrows change the selection Left arrow 2 sec back to the MAIN MENU page Network Menu page Allows you to choose the type of communication and their parameters Left arrow back to SETTINGS MENU page Type Allows you to choose BACnet MS TP or BACnet IP co...

Page 27: ...or Adjustment of the K Factor in the supply fan formula Ret K Factor Adjustment of the K Factor in the return fan formula SuppAirFlow Displays air flow CFM at the supply RetAirFlow Displays air flow CFM at return Sup Dens Adjusting the density in the supply flow formula Ret Dens Adjusting the density in the return flow formula Formula for visualizing airflow 𝑉𝑜𝑙𝑢𝑚𝑒 𝐶𝐹𝑀 2 32 𝑘 2 𝜌 𝑃 𝑖𝑛 𝐻 𝑂 𝜌 0 0749...

Page 28: ... Arrow opens cycle delay curve page Recuperator cycle delay page Allows to change the cycle delay settings of the recuperator following the control signal By default the response is linear between the control signal and the cycle time 20 to 120sec Left arrow back to the RECUPERATOR page Active Alarms page To view current alarms Select Eff then OK to clear alarms Left arrow 2 sec back to the MAIN M...

Page 29: ...date Left arrow 2 sec opens page MAIN MENU Language page Allows you to change the display language To change the language press OK with the down or up arrows change the language French English then press OK Left arrow 2 sec back to the MAIN MENU page Information page Provides information on equipment and some adjustments Left arrow 2 sec back to the MAIN MENU page ...

Page 30: ...Return temperature If TempUnit 0 C If TempUnit 1 F ExhaustAirTemp Analog 6 Exhaust temperature If TempUnit 0 C If TempUnit 1 F SupplyAirFlow Analog 7 Supply airflow Cubic Foot Minute ReturnAirFlow Analog 8 Return airflow Cubic Foot Minute RecuperatorTime Analog 9 Recovery cycle time Second RecupTimeTo Turn Analog 10 Recovery cycle countdown Second Cycle count Analog 11 Number of cycles Temp Unit B...

Page 31: ...SensorWarning Binary 16 Return temperature sensor warning ExhaustSensorWarning Binary 17 Exhaust temperature sensor warning FrezstatAlarm Binary 18 Low freeze limit alarm SupplyPressureSensorWarning Binary 19 Supply pressure sensor warning ReturnPressureSensorWarning Binary 20 Return pressure sensor warning SupplySP0 10VLowWarning Binary 21 Supply SetPoint 0 10V Low Warning If Control Mode 1 Remot...

Page 32: ...nsor Fault The return air temperature sensor RAT1 is disconnected or defective The unit remains in operation The recuperator MRE1 cycle at 20 Sec Automatic 8 Sonde EAT1 Faute EAT1 Sensor Fault The exhaust air temperature sensor EAT1 is disconnected or defective The unit remains in operation The recuperator MRE1 cycle at 20 Sec Automatic 9 Basse Limite Gel Freezestat The temperature is lower than 4...

Page 33: ...t The supply or return air drive is in fault see description on VFD The unit stops Manual 20 Dev VFD Alim FeedBack Supp VFD The reaction of the air supply drive VFD VFDA1 differs from its setpoint The unit stops Manual 21 Dev VFD Retour FeedBack Ret VFD The reaction of the return air drive VFD VFDR1 differs from its setpoint The unit stops Manual ...

Page 34: ...34 of 45 Installation operation and maintenance manual ABE Rev 1_2023 9 TYPICAL WIRING DIAGRAM 9 1 TYPICAL WIRING DIAGRAM ...

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Page 40: ...40 of 45 Installation operation and maintenance manual ABE Rev 1_2023 9 2 TYPICAL CONTROL PANEL ...

Page 41: ...tions Ensure that fans and their motors are firmly anchored Make sure the recovery blocks are clean and free of debris When effective air filters are used recovery blocks should not need to be cleaned The alternating airflow should blow the debris during operation In case cleaning is necessary the best method is either a vacuum cleaner or pressurized air It is not recommended to use detergent or s...

Page 42: ...ed manufacturer Poor filter quality could affect the warranty of the unit Use only filters with a minimum efficiency equivalent to MERV 8 upstream of the recovery blocks in the outdoor air and return air ducts Make sure that the filters are supported on all four sides and cannot be sucked towards the exchanger dampers This could damage the unit and affect the warranty ...

Page 43: ...43 of 45 Installation operation and maintenance manual ABE Rev 1_2023 11 BLOWERS BALANCING PROCEDURE ...

Page 44: ...ARTUP VERIFICATION Direction of rotation of the motors Suspicious noises Engine amperage full capacity Airflow Control sequence see sec 7 Read Display Status HMI Note ____________________________________________________________________ ADJUSTMENTS Startup complete If not why or other ______________________________________________________________________________________ ____________________________...

Page 45: ...45 of 45 Installation operation and maintenance manual ABE Rev 1_2023 ...

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