Aereco AWN ECO+ 111 Technical Manual, Installation And Maintenance Instructions Download

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Original operating instructions TF7039GB_A_NOT

TECHNICAL MANUAL

INSTALLATION AND MAINTENANCE INSTRUCTIONS

AWN ECO+

Summary of Contents for AWN ECO+ 111

Page 1: ...Original operating instructions TF7039GB_A_NOT TECHNICAL MANUAL INSTALLATION AND MAINTENANCE INSTRUCTIONS AWN ECO ...

Page 2: ...and reliability Thank you again Aereco GmbH Aereco reserves the right to make changes at any time to improve the product without being obliged to make such changes to units already manufactured delivered or in production Therefore no claims can be derived from the text information illustrations or drawings Errors reserved Read these operating instructions in their entirety and keep them in a safe ...

Page 3: ...VEYANCE COMPONENTS 16 4 5 2 REFRIGERANT CIRCUIT COMPONENTS 16 4 5 3 HEATING WATER CIRCUIT COMPONENTS 17 4 5 4 HEAT PUMP CONTROL AND SAFETY COMPONENTS 17 TECHNICAL DATA 19 5 RECEIVING AND MOVING THE UNIT 22 STORAGE 22 INSTALLATION SITE AND FIXING 22 CONNECTIONS TO BE PROVIDED BY THE CUSTOMER 23 HANDLING THE UNIT 24 ALIGNING THE UNIT 24 CONDENSATE DRAIN CONNECTION 25 PROTECTIVE EQUIPOTENTIAL BONDING...

Page 4: ... FOR THE SINK MEDIUM 35 7 2 2 OPERATING WITH ANTIFREEZE 36 COMMISSIONING THE HEAT PUMP 37 7 3 1 ON SITE COMMISSIONING REQUIREMENTS 37 7 3 2 INDIVIDUAL STEPS TO BE COMPLETED DURING COMMISSIONING 37 WARNING WHEN INTEGRATING IN THE BUILDING HEATING SYSTEM 38 8 MAINTENANCE 39 EXTRAORDINARY MAINTENANCE 39 REGULAR MAINTENANCE 40 HANDLING INDIVIDUAL COMPONENTS 42 8 3 1 SERVICE PANELS 42 8 3 2 MULTI CABLE...

Page 5: ...xhaust air unit with integrated source controlled exhaust air water heat pump Application purpose Exhaust air conveyance and simultaneous use of exhaust air heat in outdoor areas in collective dwellings The use of exhaust air heat serves to support the heat supply in bivalent heat supply systems Document version 2018 2 ...

Page 6: ... devices must be strictly observed INSTRUCTIONS FOR USE Before starting any work read this manual carefully and undertake any necessary safety checks to prevent any risk We reserve the right to make changes to the design and technical data Said changes are also effective without prior notice Therefore no claims can be derived from the text information illustrations or drawings Errors reserved In a...

Page 7: ...described in these assembly instructions for assembly operation and maintenance must also be observed when using the unit for its intended purpose Please read all the assembly instructions before starting work Modifications and alterations are only permitted with our written approval The unit warranty shall not cover the cost of motor ladders scaffolding or other lifting systems which may be neces...

Page 8: ...lding The unit is largely made of sheet metal and has sharp edged components due to the production process These do not represent a hindrance or risk of injury when used as intended During assembly however contact with these components can lead to injuries Therefore fitters should always wear protective gloves when working on the unit Only open the unit when it is switched off During operation and...

Page 9: ...rated easily via the user menu The exhaust fan can be regulated via a separate control unit TYPE PLATE The unit is labelled with a technical type plate Do not modify or remove the type plate LOAD BEARING CONSTRUCTION AND ERECTING DEVICE The construction is based on a hot dip galvanized steel frame of appropriate thickness All other parts in contact with the environment are made of sufficiently cor...

Page 10: ...RE 4 3 1 POSITION OF KEY COMPONENTS 1 Fan 2 Evaporator 3 Filter monitoring differential pressure switch 4 Main switch 5 Smoke detector 6 Compressor housing 7 Stand 8 Plate heat exchanger 9 Air filter 10 Bypass multi leaf damper 11 Control unit ...

Page 11: ...rside of the unit in the floor panel Connector cover All other connections are located under the connection cover in the exhaust panel To gain access to these connections loosen four screws on the cover arrows and remove the cover The following connections are located below it Main switch for electrical connection Multi cable feed through for further cables such as temperature sensors A pres sure ...

Page 12: ...st air connection 355 mm DN 1 Heating water supply AWN 1 IG 1 Heating water return AWN 1 IG 1 Condensate drain 16 mm Metal composite pipe 1 Eco 131 Connection Size Number Exhaust air connection 560 mm DN 1 Heating water supply AWN 1 IG 1 Heating water return AWN 1 IG 1 Condensate drain 16 mm Metal composite pipe 1 ...

Page 13: ...TF7039GB_A_NOT Page 13 of 48 UNIT DIMENSIONS 4 4 1 HOUSING DIMENSIONS Eco 111 Eco 121 ...

Page 14: ...TF7039GB_A_NOT Page 14 of 48 Eco 131 4 4 2 STANDS FOR ECO 111 ECO 121 AND ECO 131 approx 250 to max 300 ...

Page 15: ...ssor with inverter control 2 Condenser 3 Refrigerant collector 4 Filter dryer 5 Sight glass with humidity indicator 6 Thermostatic expansion valve 7 Evaporator 8 LP controller 9 Motor protection 10 HP controller Heating circuit 1 Filter 2 Heat meter 3 Drain cock 4 Pump 5 Plate heat exchanger condenser 6 Vent 7 Relief valve 8 Temperature sensor Shut off ventilation after commissioning ...

Page 16: ...astic vibration damping compensators COMPRESSOR INVERTER MODULE The inverter module infinitely controls the compressor speed using the sensor controlled power specification on the system controller This means the compressor motor is continually monitored and protected from damage CONDENSER SINK SIDE Plate structure stainless steel 1 4401 with closed cell insulation material to reduce heat loss EVA...

Page 17: ...at the heating water inlet The respective measurement data is transferred to the unit control system The quantity of heat discharged is calculated from the volume flow and the temperature difference 4 5 4 HEAT PUMP CONTROL AND SAFETY COMPONENTS LOW PRESSURE PRESSURE SWITCH This device fixed on the low pressure side of the cooling circuit stops the compressor from running if the normal operating pr...

Page 18: ...rd settings and any changes are saved in the controller control panel After a power failure the unit is able to restart automatically and retains the original settings Some accesses are password protected and are only available for technical customer service The electronics also include a range of protection algorithms to prevent damage to key plant components For more information on operation and...

Page 19: ... fill level 1 9 VENTILATION AND ACOUSTIC DATA FOR FURTHER OPERATING POINTS Max volume flow 100 at 130 Pa m h 2 200 Sound pressure level at a distance of 3 metres at 100 50 Lp A dB A 61 46 Sound power level on the suction side at 100 50 Lw A dB A 67 59 INTEGRATED PRESSURE CONTROL Digital pressure control display integrated Max pressure increase Pa 300 ELECTRICAL DATA Fan drive technology EC motor C...

Page 20: ...evel 1 9 VENTILATION AND ACOUSTIC DATA FOR FURTHER OPERATING POINTS Max volume flow 100 at 130 Pa m h 3 200 Sound pressure level at a distance of 3 metres at 100 50 Lp A dB A 57 44 Sound power level on the suction side at 100 50 Lw A dB A 68 54 INTEGRATED PRESSURE CONTROL Digital pressure control display integrated Max pressure increase Pa 300 ELECTRICAL DATA Fan drive technology EC motor Compress...

Page 21: ... 0 COP A20W40 4 7 Refrigerant R410A Refrigerant fill level 2 6 VENTILATION AND ACOUSTIC DATA FOR FURTHER OPERATING POINTS Max volume flow 100 at 130 Pa m h 4 500 Sound pressure level at a distance of 3 metres at 100 50 Lp A dB A 55 44 Sound power level on the suction side at 100 50 Lw A dB A 74 57 INTEGRATED PRESSURE CONTROL Digital pressure control display integrated Max pressure increase Pa 300 ...

Page 22: ...m and only in wind zones 1 3 DIN EN 1991 1 4 2005 Use only approved stainless steel fasteners of sufficient number and size The decisive factors here are the conditions at the installation site which are influenced by the wind zone there the building height and the terrain exposure The need for measures to be taken shall be assessed on a case by case basis taking into account local conditions Dime...

Page 23: ...ied out in accordance with DIN EN 1991 1 4 CONNECTIONS TO BE PROVIDED BY THE CUSTOMER The following cables or connections must be available for mounting the device Medium Connection Number connection type Water Supply line 1 Return line 1 Condensate line 1 e g 16 mm Power AWN on main switch L N PE 230 volt Trace heating for heating water pipes According to local conditions Trace heating for conden...

Page 24: ...ength and spacers must be used Anchor points The unit has four anchor points under its hood There are four openings in the unit hood for this purpose in each of which an eyebolt is already mounted on delivery Eyebolt All four eyebolts must be used to lift the unit Ensure the eyebolts are seated firmly before loading Cover After finishing handling unscrew the eyebolts and close the remaining openin...

Page 25: ...aranteed at all times The drain must be protected against freezing by suitable insulation and trace heating in the event of frost Free drainage of the condensate must be ensured at all times Draining the condensate onto the open air roof surface can lead to smooth surfaces in frosty con ditions and thus endanger people PROTECTIVE EQUIPOTENTIAL BONDING The protective equipotential bonding must be a...

Page 26: ...haust fan and the ventilation duct must be ensured Any implementation on site must be carried out by the installer on his own responsibility and in a professional manner LIGHTNING PROTECTION Lightning protection must be provided by the customer in accordance with the local conditions and in com pliance with the national legislation applicable in the country of destination ...

Page 27: ...lecting pipe to be connected The on site piping to the pipe connection pieces must be carried out by a qualified installer The exhaust air ducts above the roof are protected separately against condensation weather influences and wind The exhaust air ducts must be carried by separate installations and must not transfer any load to the unit COMMISSIONING THE EXHAUST FAN The exhaust fan must not be c...

Page 28: ... of air flow must be en sured Finally the AWN must be put into operation 2 The first measurement should be taken on the exhaust air element that is fur thest away from the exhaust fan A suitable differential pressure gauge must be used for this purpose 3 The measurements are carried out directly on the exhaust air elements A special plug connection makes it easy to measure the negative pressure As...

Page 29: ... disconnected from the mains and secured against being switched on again Wait for the fan impeller to come to a standstill A DIP switch S1 Pressure setpoint B DIP switch S2 setback C DIP switch S3 Hall sensors D Network LED E Pressure indicator F Fuses G Terminal X5 Mains power supply H Terminal X4 Error message I Terminal X3 ON Setback J Terminal X2 Control signal K Terminal X1 External L Pressur...

Page 30: ...55 Pa in steps of 5 Pa 160 300 Pa in steps of 10 Pa Examples Setpoint A 100 Pa Setpoint B 150 Pa Caution Not all pins 1 6 may be set to ON at the same time This puts the controller into cali bration mode The maximum permissible setpoint is 300 Pa The setpoint is set to 100 Pa ex works If the measured air volume flows are too large or too small during commissioning the pressure level can be lowered...

Page 31: ...heck pressure measuring points hoses and fan calibrate pressure regulator E04 on the display Incorrect speed feedback Check fan cable RPM to X1 deactivate Hall signal input S3 1 to S3 4 E05 on the display Faulty pressure sensor signal Contact the manufacturer E06 on the display 999 on the display Faulty pressure sensor signal Check pressure measuring points and hoses contact the manufacturer CAL E...

Page 32: ...setback mode The setpoint for setback mode is lowered by the percentage value specified with switch S2 pins 2 to 4 The percentages of pins 2 4 at switch S2 are added together The setback mode is activated by an external potential free closing contact at X3 Reduc Mode If several exhaust fans are controlled via a timer each exhaust fan requires a separate potential free NO contact to avoid reverse v...

Page 33: ...n of the stratified tank S1 and the heating water return S2 in the heating circuit installed on site The controller takes these measured variables into account and controls the discharge pump P so that the heating water return flow is always increased S1 S2 Preheating as continuous flow system DW preheating is automatically ensured by passing through a stain less steel coil in the stratified stora...

Page 34: ...s integration variant In this case the following steps must be carried out Remove the cable bridge on input terminal 16 terminal strip X2 Fit an outdoor temperature sensor to input terminal 12 terminal strip X2 Attach the temperature sensor to the lower part of the buffer tank and connect it to input terminal 4 terminal strip X2 Attaching the sensor to input terminal 6 terminal strip X2 on the dom...

Page 35: ...or operation with own electricity e g from photovoltaics Refer to the operating instructions for the control module UVR for details In its standard configuration the unit is not suitable for installation in a salty environment 7 2 1 REQUIREMENTS FOR THE SINK MEDIUM In order to ensure the unit operates faultlessly for many years we strongly recommend filling the sink side system circuit with soften...

Page 36: ...00 1 000 1 000 1 000 1 000 Pa 1 000 1 002 1 003 1 004 1 005 1 007 1 008 1 010 1 012 1 015 Dp 1 000 1 087 1 128 1 175 1 227 1 286 1 353 1 428 1 514 1 610 PROPYLENE GLYCOL SOLUTIONS CORRECTION FACTORS FOR PROPYLENE GLYCOL SOLUTIONS Freezing point C 0 3 43 5 30 7 44 9 98 13 08 16 86 21 47 27 04 33 72 Propylene glycol proportion 0 10 15 20 25 30 35 40 45 50 Qwh 1 000 1 008 1 014 1 021 1 030 1 042 1 05...

Page 37: ...o be checked 8 Information on the adjacent hydraulic losses of the hot water pipeline is available 7 3 2 INDIVIDUAL STEPS TO BE COMPLETED DURING COMMISSIONING 1 System check visual inspection e g checking on site services etc 2 Check the factory set control parameters and adjust to local conditions 3 Connect external release lines and sensors 4 Connect the potential free fault signal output 13 ter...

Page 38: ...onnected system thoroughly before connecting the unit This cleaning allows any pos sible residues such as welding beads secretions rust or other impurities to be removed from the pipes These substances may otherwise accumulate inside the unit and lead to the unit mal functioning When a system that has already been commissioned is at a standstill the water contained in the heat exchanger can freeze...

Page 39: ...indicator indicates that the circuit is dry dry green In the case of partial losses the circuit must be completely emptied before being refilled The refrigerant R410A may only be added when liquid Operating conditions that deviate from the nominal values lead to deviating values A leak test or leak detection may only be carried out with refrigerant R410A and suitable leak detec tion devices The us...

Page 40: ...r pipes available not damaged Replacement Refrigerant circuit Compressor Condition unremarkable Inform customer services Evaporator Free of deposits and corrosion Inform customer services Operating pressure Corresponding technical data Inform customer services Circuit Tight leak free Inform customer services remedy leak refill Max min pressure switch Work correctly Replacement Filter dryer Work co...

Page 41: ... work Disconnect the unit from the electrical power supply prior to undertaking any cleaning work Before starting work and when working make sure that there is no live voltage Cleaning fluids must not dissolve the materials used particularly the plastics Do not use hard objects for mechanical cleaning The unit or parts thereof must not be cleaned with water jets high pressure cleaners or com press...

Page 42: ...aled with screw varnish Deviations from this are only permitted after prior consulta tion with technical customer service The service panels must be loosened by opening the sash fas teners To do so turn the sash fasteners 90 with the tool pro vided in accordance with the direction of rotation shown in the picture right The panel can then be lifted out of the unit by holding and lifting both handle...

Page 43: ...mm until the membrane is flush around the cable and closes tightly 8 3 3 AIR FILTER To service the air filter open service panel B opposite the exhaust air connection The filter is located in the filter slot below the hood in the middle of the unit To remove the air filter from the unit simply pull it out of the filter insert in the direction of the opened service panel picture on the right When i...

Page 44: ...lease the locking de vice and carefully unscrew the smoke detector counter clockwise The locking device is accessed via a small opening Ø 2 mm on the detector insert picture on the right Using a suitable tool slide the inside lock apart to turn the detector insert To insert a new smoke detector place the detector insert on the detector base and turn it clockwise until the detector insert engages a...

Page 45: ...NSR 2014 35 EU are considered and ful filled EMC Directive 2004 108 EC Pressure Equipment Directive 2014 30 EU The above product complies with the relevant harmonised standards of the European Community EN 60335 2 40 2005 EN 60335 2 40 A1 2007 EN 61000 6 1 2007 EN 61000 6 2 2007 EN 61000 6 3 2007 EN 61000 6 4 2007 EN 55014 1 2008 EN 55014 2 1998 EN 378 2 2012 EN 12735 1 2010 EN 14276 1 2011 EN 199...

Page 46: ...are considered and ful filled EMC Directive 2004 108 EC Pressure Equipment Directive 2014 30 EU The above product complies with the relevant harmonised standards of the European Community EN 60335 2 40 2005 EN 60335 2 40 A1 2007 EN 61000 6 1 2007 EN 61000 6 2 2007 EN 61000 6 3 2007 EN 61000 6 4 2007 EN 55014 1 2008 EN 55014 2 1998 EN 378 2 2012 EN 12735 1 2010 EN 14276 1 2011 EN 1991 1 4 2010 The ...

Page 47: ...are considered and ful filled EMC Directive 2004 108 EC Pressure Equipment Directive 2014 30 EU The above product complies with the relevant harmonised standards of the European Community EN 60335 2 40 2005 EN 60335 2 40 A1 2007 EN 61000 6 1 2007 EN 61000 6 2 2007 EN 61000 6 3 2007 EN 61000 6 4 2007 EN 55014 1 2008 EN 55014 2 1998 EN 378 2 2012 EN 12735 1 2010 EN 14276 1 2011 EN 1991 1 4 2010 The ...

Page 48: ...NSTALLATION AND MAINTENANCE INSTRUCTIONS AWN Eco 111 Eco 121 Eco 131 TF7039GB_A_NOT Copyright Aereco Aereco GmbH Robert Bosch Str 9 65719 Hofheim Wallau GERMANY Tel 49 0 6122 92 768 30 Fax 49 0 6122 92 768 90 www aereco de ...

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