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5

Service and Maintenance

5.1 Service Maintenance Information

Before contacting the technical service, make sure that you have the following information at hand so that any errors
that may occur can be rectified as soon as possible:

•

Unit delivery date

•

AERA order number

•

Product name and label information

•

Brief description of the error

•

Commissioning form

•

Post-commissioning control form

5.2 Maintenance Plan

The air handling unit should be checked periodically within the times specified in the plan below, and the necessary
actions should be taken.

Komponents

Control Points

Actions

Period

3

Month

6

Month

12

Month

Month

Becoming dirty

Cleaning and maintenancing

x

Damage and corrosion

x

Air Leak

Repair

x

Filter

Filter Pollution

Replace if it is dirty,

x

Sealing Elements Check

If it is damaged, it should be
repaired / replaced.

x

Fan

Cleaning

x

Check the motor and fan

If it is damaged, it should be
repaired / replaced.

x

Check vibration pads

If it is damaged, it should be
repaired / replaced.

x

Check Flexible fastener

If it is damaged, it should be
repaired / replaced.

x

Exchanger

Cleaning

x

Damage and Corrosion

If it is damaged, it should be
repaired / replaced.

x

Sealing Elements Check

If it is damaged, it should be
repaired / replaced.

x

Check Bypass

If it is damaged, it should be
repaired / replaced.

x

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Содержание EVO-MODULAR

Страница 1: ...User s Manual EVO MODULAR AIR HANDLING UNITS ...

Страница 2: ...Duct Mounting 16 Connection of Run Around Heat Recovery System 18 Coil Connections 18 Humidifiers 20 Steam Humidifiers 20 Direct Injection Humidifier 20 Adiabatic Humidifiers with Pads evaporative 20 Electrical Heater 20 External Sensors 21 Electrical Connections 21 Air Handling Unit with Automation Equipment 21 Control Panel and BMS Connections 22 Air Handling Unit without Automation Equipment 22...

Страница 3: ...er Maintenance and Cleaning 38 Rotary Heat Recovery System Maintenance and Cleaning 38 Plate Heat Exchanger Maintenance and Cleaning 39 Run Arround and Heat Pipe Recovery Systems Maintenance and Cleaning 39 Fan Maintenance and Cleaning 39 Coil Maintenance and Cleaning 40 Electric Heater Maintenance and Cleaning 41 Silencer Maintenance and Cleaning 41 Condensation Pan Maintenance and Cleaning 41 Da...

Страница 4: ...equipment suitably packaged If apparent damage is detected during transport write it on the waybill and have it approved by the driver Photograph the damage and share it with the AERA logistics department AERA reserves the right to make design changes without prior notice Images in this user manual may differ from actual devices 2 2 Purpose of User Manual This instruction manual has been created t...

Страница 5: ...mage to equipment or property Occupational health and safety local regulations and general safety regulations for the field of application of the air handling unit also apply 2 4 Components Evo M series air handling units modules are marked with the following icons according to their features Filter Module DX Coil Module Fan Module Steam Coil Module Plate Type Heat Exchanger Module Electrical Heat...

Страница 6: ...pulled or pushed using any protruding parts other than the main frame such as coils dampers The unit must not be tilted during transport or lifting While the units are unloaded from the vehicle the units should be taken to the forklift by placing wedges under the pedestal as described in the pictures below 1 2 3 4 5 DANGER ATTENTION ATTENTION ...

Страница 7: ...f the units Forklift blades must be long enough to pass through the module completely If the units are lifted with a forklift the lifting operation should be carried out by considering the center of gravity of the module and making sure that the load is evenly distributed on the forklift forks Be careful that the blades do not hit the panels and drain pan outlets ATTENTION ATTENTION Center of grav...

Страница 8: ...ill pass through 30mm standard or 60mm optional part diameter holes on both sides of the pedestal In crane operations the connection details shown below should be considered and applied completely AERA is not responsible for any damage that may occur otherwise Sample Application for Lifting from Pedestal ATTENTION ...

Страница 9: ...ially lead to fatal situations and cause serious physical damage There is also a risk that the air handling unit may not function properly The installation place of the unit must be flat and balanced If the floor is not stable the air handling unit must be balanced with appropriate balancing elements In the absence of suitable balancing elements it is recommended to prepare the floor at least 10 c...

Страница 10: ... they should be specified before the project selection and should be produced in accordance with the outdoor application weather protection sheet high protection class component selection etc Otherwise the unit should not be operated outside 3 2 Module Combination Labels are placed on the modules to facilitate the assembling of the modules Sealing gaskets are applied between the modules of air han...

Страница 11: ...sing only pedestal Any protruding parts of the units coil pipes drain pipes door handles etc should not be used to move the modules Oth erwise it may cause accidents and damage the air handling unit If the units damaged during the assembly process on the panel they will be out of warranty There are cell combination elements on the modules The allen head bolts on the side of the connection elements...

Страница 12: ...en gaskets between modules after modules are brought close enough to each other In air handling units produced as double deck the connections between the floors should be made with connection sheets Connection elements of modules should not be used before the modules are balanced and brought close enough to each other 3 3 Installation of Weather Protection Sheets In air handling units that are spe...

Страница 13: ...bration insulators to prevent noise and vibration Since this situation may cause damage to the unit by undesirable vibrations during shipment the fan bases are fixed to the unit frame via a fixing sheet at the factory The sheets must be removed before the fans are operated The units may be damaged if operated without the fixing sheet of fan Insulators removed AERA is not responsible for any damage...

Страница 14: ... approximately 75 of the stretched length Weights of ducts should never be carried to dampers and flanges Instead fixed headstock supports should be placed on the ceiling or the floor and carried to these holders Otherwise the dampers may not work properly and the unit may be damaged Duct connection supports should not be connected to the unit frame Using the unit frame as support equipment may ca...

Страница 15: ...etween dampers and duct connections In places other than these holes the screws should be tightened in a way that they are a maximum of 10mm inside from the edge In order to prevent air leakage G clips should be used to the areas between the screws Max 10mm Gaskets must be used between the duct and damper and flange connection surfaces In order to tighten the gaskets properly G Clips should be pla...

Страница 16: ...ter into the system and during air removal Depending on the project selection the air handling unit may have water heating and or water cooling coil The water inlet and outlet lines of the heater and cooler are labeled in such a way that the water inlet is on the air outlet side The assembly should be made as per these marks Incorrect connection causes loss of capacity in the heat exchanger Air Bl...

Страница 17: ... taken not to damage the pipes and connections during the installation of the coils The mounting position of the heat exchanger should be in accordance with its design While tightening the coil connections it must be tight ened by making contra since there is a risk of rotation torsion of the inner part of the pipe Torsions that will occur if it is not tightened by making contra may make the coil ...

Страница 18: ...ide the air handling unit However the pump group is sent together with the air handling unit The connection between the pump group and the atomizers is the responsibility of the client Humidifier installation and usage instructions are sent with the humidifier These usage and installation manuals that come out of the humidifier box must be strictly followed 3 9 3 Evaporative Humidifiers The units ...

Страница 19: ...be cut off from the main supply panel and it should be ensured that it will not be energized accidentally 3 12 Electrical Connections 3 12 1 Air Handling Unit with Automation Equipment The electrical connection should only be made by an authorized electrician according to the wiring diagrams below The unit must be completely isolated from the mains power supply before any maintenance and installat...

Страница 20: ...eserved on the automation panel for external display connections E3 DSP ED T7 Screen connec tions must be made with 4x0 50 shielded cable The maximum wiring distance for touch panel ED T7 and standard display E3 DSP is 100 m 3 12 2 Air Handling Unit without Automation Equipment The electrical connection of the unit should only be made by qualified electricians Before all electrical assembly operat...

Страница 21: ...ed outdoors the panel should be protected from weather conditions as much as possible WIRING DATA AND CONNECTIONS DEPENDING ON MOTOR POWER Motor Power kW Current A Cable Cross section mm Cable Type Connection style 1 1 3 4x1 5 TTR Star unless otherwise specified 1 5 4 4x1 5 TTR Star unless otherwise specified 2 2 6 4x1 5 TTR Star unless otherwise specified 3 10 4x1 5 TTR Star unless otherwise spec...

Страница 22: ...of short circuit overload or double phase it is recommended to put a thermal phase protection relay fuse etc in the electrical circuit Make sure that the main power supply character meets the EN 60204 1 regulation 3 12 2 3 Control Panel and BMS Connection Air handling units that are requested with automation equipment can be integrated with the building automation sys tem via Modbus TCP IP Bacnet ...

Страница 23: ...re channel connections of unit correct 16 If available Is there any damage to the batteries of the unit 17 If available Are the battery connections of the unit correct 18 If available Is the internal mixing damper closed 19 If available Are there any damage to the internal silencers 20 If available Are the humidifier connections of the unit correct 21 If available Are the external sensors of the d...

Страница 24: ...s It has background illumination The illumination is normally off but is acti vated as soon as a button is pressed The illumination will be turned off again after a period of inactivity The meanings of the keys that appear on the screen are shown below Display Icons Meanings Alarm Press to view the alarm list Alarm LED Red flashing light when there is an unacknowledged alarm Non flashing light whe...

Страница 25: ...have to change the parameter a log on menu will be displayed see below Otherwise a cursor will appear at the first settable value If you wish to change the value do so by pressing the and buttons In numbers containing several digits you can move between the digits using buttons If there are further settable values displayed the cursor will automatically move to the next one To pass a value without...

Страница 26: ...me of the most important functions have been configured Changes cannot be made Heater exchanger and cooling type If one of the functions is not used it will be shown as Not used Heater exchanger and cooling type If one of the functions is not used it will be shown as Not used Frost protection is normally used in water heating systems The cooling recovery function starts the heat exchanger in order...

Страница 27: ...alogue inputs and outputs are shown here This menu shows if the digital inputs and outpus are On or Off Alarm log containing the 40 latest alarm events The most recent event is listed first The alarm log can only be used for viewing the alarm history Alarms are handled in a special area see the section Alarm handling Click arrow down three times and right arrow one time Select AI and click right a...

Страница 28: ... 0 0 m3 h Here actual and setpoint values are shown as well as the outdoor temperature if a outdoor sensor has been configured This is read only menu No settings can be made here In control mode Supply air control Extract air control the setpoint is used when cascaded extract air control is active It is selectable whether or not the extract air fan should run during recirculation Click right arrow...

Страница 29: ...low ctrl EAF setp Boost 1500 m3 h Normal 1125 m3 h Reduced 750 m3 h Flow ctrl SAF setp Boost 1500 m3 h Normal 1125 m3 h Reduced 750 m3 h You can change the value with enter password Flow control adjust point The real points can be visible with the set points in the screen This menu can not be changeable just for observation Click arrow down one time Click arrow down one time Click arrow down three...

Страница 30: ... Timer normal speed Timer reduced speed Timerboost speed There are 8 seperate setting menu one for each weekday and one extra for holidays These settings will be ignored if single speed fans are configured These settings will be boosting working condition is configured Click down arrow and right arrow one time Click down arrow two times and right arrow one time Click arrow down four times Click ri...

Страница 31: ...4 seperate holiday periods for a full year can be set Digital inputs can be used to force the unit to start although the timer says the running mode should be Off Each timer output has 8 seperate settings menus one for each weekday and one extra for holidays Holiday schedules take precedence over other schedules Click right arrow one time Click down arrow four times and right arrow one time Click ...

Страница 32: ...enu it is possible to log on to any access level by entering the appropriate 4 digit code The log on menu will also be displayed should you try to gain access to a menu or try to do an operation requiring higher authority than you have You can only change the password for access levels lower or equal to the presently active level Use this menu to log off from the present level to the basic no log ...

Страница 33: ...tions should be taken Komponents Control Points Actions Period 3 Month 6 Month 12 Month Month Becoming dirty Cleaning and maintenancing x Damage and corrosion x Air Leak Repair x Filter Filter Pollution Replace if it is dirty x Sealing Elements Check If it is damaged it should be repaired replaced x Fan Cleaning x Check the motor and fan If it is damaged it should be repaired replaced x Check vibr...

Страница 34: ...it is damaged it should be re paired replaced x Condensa tion Pan Temizlik x Damage corrosion If it is damaged it should be re paired replaced x Damper Cleaning x Damage and Corrosion If it is damaged it should be re paired replaced x 5 3 Component Maintenance Before performing component maintenance it is necessary to open the doors on the unit or remove the removable panels in order to reach thes...

Страница 35: ... filter on both sides and gently pull it out Remove the filters in all cross sections Drive new filters back paying attention to air flow direction and size Yeni filtreleri hava akış yönüne ve ölçülerine dikkat ederek geri sürün Replacement of Compressed Filters Stop the device and disconnect it from the electricity with the switch on the panel Open the door of the filter module to be replaced wit...

Страница 36: ...essure spray The cleaning of the rotary heat exchangers is done with Fairy branded dishwashing detergent with a cleaning liquid to be prepared with a maximum of 75 water 25 detergent This prepared solution is filled into the low pressure washing machine and sprayed to the heat exchanger at a maximum angle of 30 degrees and a minimum distance of 30 cm The same process should be repeated until the d...

Страница 37: ...eat exchanger at a maximum angle of 30 degrees and a minimum distance of 30 cm The same process should be repeated until the detergent between the coverslips and clean water is completely cleared Cleaning should be done at a maximum angle of 30 degrees Otherwise the coverslips may be damaged Cleaning should be done from all 4 sides of the heat exchanger After the process is over it should not be p...

Страница 38: ...be loosened until the internal pressure reaches at mospheric pressure The temperature of the product components should not be higher than 35 C or ambient temperature Before starting the system make sure that gaskets are placed on all heat exchanger connections The system should be vented regularly to prevent air from remaining in the cycle When the heat exchanger is disassembled for any reason new...

Страница 39: ... pans under the humidifiers see section 5 3 8 Condensation Pan Care and Cleaning 5 3 7 Silencer Maintenance and Cleaning In EVO M series air handling units silencers are fixed to the body of the unit with trapezoidal screws In case of need for service the silencers can be taken out by removing these screws Silencers should be checked for damage and lacerations at the intervals specified in the mai...

Страница 40: ...RM PRIORITY THINGS TO DO 1 SAF Failure B The ventilator fan needs to be checked 2 EAF Failure B The extractor fan needs to be checked 3 P1 HEATER FAILURE B Heater pump failure Check if the unit has a pump outlet Check the pump 4 P1 COOLER FAILURE B Cooler pump failure Check if the unit has a pump outlet Check the pump 5 P1 EXCHANGER FAILURE B Heat exchanger pump failure Check the pump 6 FILTER ALA...

Страница 41: ... warning in manual mode 26 MANUAL EXCHANGER CONTROL ERROR C The heat exchanger warning in manual mode 27 MANUAL COOLER CONTROL ERROR C The cooler warning in manual mode 28 MANUAL P1 HEATER C P1 heater pump warning in manual mode 29 MANUAL P1 HEAT EXCHANGER C P1 heat exchanger warning in manual mode 30 MANUAL P1 COOLER C P1 cooler pump warning in manual mode 31 SUPPLY TEMPERATURE SENSOR ERROR B Che...

Страница 42: ...ck the relevant sensor connections 53 EXTRA SENSOR 5 SENSOR ERROR B Check the relevant sensor connections 54 SAF EXTRA PRESSURE SENSOR ERROR B Check the relevant sensor connections 55 EAF EXTRA PRESSURE SENSOR ERROR B Check the relevant sensor connections 56 SAF FREQUENCY CONVERTER ERROR C Check the frequency converter then check the motor 57 EAF FREQUENCY CONVERTER ERROR C Check the frequency con...

Страница 43: ...e where the extra sensor is located 78 EXTRA ALARM 1 Check the extra alarm set designated as DI 79 EXTRA ALARM 2 Check the extra alarm set designated as DI 80 EXTRA ALARM 3 Check the extra alarm set designated as DI 81 EXTRA ALARM 4 Check the extra alarm set designated as DI 82 EXTRA ALARM 5 Check the extra alarm set designated as DI 83 EXTRA ALARM 6 Check the extra alarm set designated as DI 84 E...

Страница 44: ... Replace the fan wheel Unbalanced Balanced fan wheel Contact the AERA Technical Team Motor bearing damage failure Contact the AERA Technical Team Motor cooler damage failure Contact the AERA Technical Team The foreign item inside the unit or in the fan Clean the inside of the unit and fan Vibration Vibrating ducts Fasten up the ducts Vibrating body parts Fasten up or properly isolate parts that ca...

Страница 45: ...he duct Fan rotation direction is not correct Correct the fan rotation direction Damper closed in suction or blowing Check the damper positions if it is closed open it Low airflow in air handling units Low airflow Filters are dirty or clogged Change or clean filters Coils dirty or clogged Clean the coils External pressure loss higher than the rated value Check duct pressure losses and duct design ...

Страница 46: ...g erant fluid not coming There is air in the system Bleed the serpentines Two way or three way valves are closed faulty Check valves and actuators re place if necessary The hot cold water system is faulty Check the hot cold water system correct if necessary Serpentine frozen heating serpentine only Add glycol to the system Determine damage replace if necessary Mechanical regulated valves are close...

Страница 47: ...ere is a leak in the element it is grounding Contact the AERA Technical Team Air flow high low See section high low airflow See section high low airflow Set value too low Temperature set point too low Adjust the temperature set Steam humidifier no humidification There is no energy Fuse capacity low defective Check the fuse remove or replace if necessary Supply connections wrong missing Fix the con...

Страница 48: ...ng leaking The unions are loose cracked or leaking from the welds Contact your plumber The heating coil is dripping leaking The heating coil damaged burst Contact the AERA Technical Team There are water drops after the cooling coil Drip tray installed incorrectly broken Check the drip tray correct if nec essary or request a new one Water accumu lation in the unit Storage shortage The unit got wate...

Страница 49: ...onnections are loose Tighten duct connections replace them if necessary Duct connections are not enough Tighten duct connections with G clips Leak location cannot be deter mined Drain pan outlets open Check that the drain pans have siphons or plug them in Coil collectors damaged Contact the AERA Technical Team There is insulation material in the duct Silencer damage The silencer is torn Contact th...

Страница 50: ...50 NOTES ...

Страница 51: ...A E R A A I R I N N O V A T I O N 51 NOTES ...

Страница 52: ...504 76 86 FAKS 90 216 504 76 90 FACTORY 3 Cadde No 13 Pancar OSB Torbalı İzmir TEL 90 232 799 0 111 FAKS 90 232 799 01 14 FABRiKA II 14 Cadde No 13 Pancar OSB Torbalı İZMİR TÜRKİYE R D CENTER 10032 sokak No 2 1 B 210 Bilimpark ITOB Menderes İZMİR aera com tr KA TA 001 22 11 2021 REV 02 User s Manual EVO MODULAR AIR HANDLING UNITS ...

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