Lennox E014AH055FM2M, Installation, Operating And Maintenance

Page 1: ...eNeRGy IOM 2020 12 EN eNeRGy High efficiency packaged air treatment unit Installation Operating and Maintenance...

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Page 3: ...23 LEVELLINGADJUSTABLE ROOFCURBS 24 CURBING AND FLASHING 25 POSITIONING THE ROOFTOP ON ROOFCURB 26 DUCT CONNECTIONS 27 RECOMMENDATIONS FOR DUCTS CONNECTIONS 27 MAIN SWITCH CONNECTION 29 CUSTOMER POWER...

Page 4: ...eNeRGy IOM 2020 12 EN 4 ELECTRICAL PREHEATER 39 GAS BURNER 39 MAINTENANCE DIAGNOSTIC 39 WARRANTY 39 MAINTENANCE PLAN 39 Original version is the English one Other versions are translations...

Page 5: ...eNeRGy IOM 2020 11 EN 5...

Page 6: ...Safety codes regulations The unit is designed for outdoor installation only The unit must be installed in accordance with local safety codes and regulations and can only be used in well ventilated are...

Page 7: ...s expected that the design and installation of the unit utilise good working practices The warranty will be legally null and void if Service and maintenance have not been executed in accordance with t...

Page 8: ...er details In case of maintenance operations on fans grills replacement ensure that the power is shut off to avoid automatic restart Before the opening of the refrigerant circuit check the pressure wi...

Page 9: ...t walk Don t strap Warning main switch supplied from bottom EUROVENT certification Gravity center Protection by water filter mandatory Protection by strainer filter mandatory Transport of non flammabl...

Page 10: ...afety relief valves must be directed to the outside to a place free of ignition sources fresh air intake and human presence The valve should be sized and connected in compliance with current standards...

Page 11: ...e to the bodywork pipework condenser etc Rooftop installation in heavy wind locations The roofcurbs vertical horizontal and rooftops installations are designed to withstand winds up to 80 km h Above t...

Page 12: ...0 0 0 0 0 Condensing gas burner High Vertical 0 235 235 0 0 0 0 0 0 0 0 0 0 Condensing gas burner Standard Horizontal 1712 1712 1712 1713 1713 1713 1713 1713 1713 1713 1713 1713 1713 Condensing gas b...

Page 13: ...0 0 0 0 0 0 0 Condensing gas burner High Vertical 235 235 235 235 235 235 235 235 235 235 235 Condensing gas burner Standard Horizontal 1713 1713 1713 1713 1713 1713 1713 1713 1713 1713 1713 Condensin...

Page 14: ...eNeRGy IOM 2020 12 EN 14 Mandatory handling devices Handling slings to guide the unit toward the roof curb Vacuum lifting beam to position the unit TRANSPORT HANDLING...

Page 15: ...ions Use lifting shackles on each lifting lug located on the base frame of the unit 4 or 6 depending on the unit configuration Maximum diameter of the shackle ring shaft 20 mm Lifting belts straps len...

Page 16: ...eNeRGy IOM 2020 12 EN 16 In case of a unit with 4 points see picture below In case of a unit with 6 points see picture below The use of a chain hoist is mandatory TRANSPORT HANDLING...

Page 17: ...nds If machine is including gas burner minimum clearance around the unit must be at least 8 m to allow a proper gas flue dilution If not possible the fresh air intake must be ducted at least 8 m away...

Page 18: ...mains electrical supply The rating plate also states year of manufacture weight of the unit type of refrigerant used GWP Global warming potential required charge for each circuit operating Pressure m...

Page 19: ...nded to adjust the lockers position in case of difficulty by opening closing a panel This operation is possible by loosening the 3 screws Be careful never totally loosen the 3 screws simultaneously A...

Page 20: ...ch could hinder the operation of the equipment Does the electrical power available correspond to the equipment s electrical specifications Is drainage provided for the condensate Is there sufficient a...

Page 21: ...f these 2 rails no rubber pad no spring no block See bottom view of the unit In case of installing the unit on dedicated structure for example a specific metallic frame structure the structure must be...

Page 22: ...ws The external dimensions of the unit and the dimensions of the supply and return air connections The arrangement of the doors and the space required to open them to access the various components Con...

Page 23: ...o the ground The contact to the ground must be realized with the entire contact area of the roofcurb no discontinuous contact CAUTION Installation of the unit and accessibility must be compliant with...

Page 24: ...or to put the unit on it Above all ensure that all the adjustable returns are facing outward They could be turned inside out for transport Place the roof mounting frame on the trimmer beam by first li...

Page 25: ...t the unit is secured to the mounting frame Once in position the bottom of the equipment must be horizontal The installer must comply with local authority standards and specifications Check that the r...

Page 26: ...vered in the roofcurb package This gasket must be put only on the external perimeter of the roofcurb and around the supply and return section During the installation of the unit on the roofcurb it s i...

Page 27: ...s mustbe respectedfortheconnectionsbetweenducts andunit Whateverthesupplyconfigurationis respectaminimalduct slength D of2mbeforeanyelboworanyduct s diameterchange Exampleofvertical supply This rule a...

Page 28: ...on details The supply and return air ducts can be secured to the flanges at the bottom of the roofcurb Any ducting weight above 100 kg must be fixed independently to other building frames Distance for...

Page 29: ...e 6 15 185 aluminum INS 400 31110 l d 10 L 32 d 15 103 3 e 10 50 300 aluminum INS 630 31114 Customer power cable inlet BUS inlet One specific plate is located at the bottom of the electrical cabinet...

Page 30: ...occupant proximity air flow coming from windows or doors air flow coming from ventilation nozzles air flow coming from the flush mounting box differential temperature caused by external wall NOTE CO2...

Page 31: ...ests are A variable fresh air rate from 25 to 100 A high COP in winter when pre heating the fresh air due to a favorable evaporating temperature especially with high air flow rate A high EER in summer...

Page 32: ...2 Rotary wheel Vertical return Horizontal return Thermodynamic heat recovery module TRMO Frigorific components access Compressors are located in the dedicated recovery module Vertical return Horizonta...

Page 33: ...23 C DB 47 HR 12 14 13 15 29 13 11 14 14 13 Max entering air temperature at outdoor air Temp 38 C DB 35 40 39 41 55 31 29 32 48 48 Max entering indoor air temperature at Max outdoor air temp 48 C DB...

Page 34: ...6 5 Max entering indoor air temperature at Max outdoor air temp 48 C DB 40 HR 31 28 31 31 30 28 31 31 31 31 31 Min entering indoor air temperature at outdoor air temp 35 C DB 14 Min entering indoor ai...

Page 35: ...ature at Max outdoor air temp 48 C DB 40 HR 31 31 31 Min entering indoor air temperature at outdoor air temp 35 C DB 14 14 14 Min entering indoor air temperature at Max outdoor air temp 48 C DB 40 HR...

Page 36: ...he outside skin of the unit casing may appear This outside condensation doesn t affect the good operation of the unit but can only affect the visual aspect of the unit Find below graph with condensati...

Page 37: ...ans and compressors direction of rotation is checked during the end of line test They should therefore all turn in either the right or wrong direction WARNING a compressor rotating in the wrong direct...

Page 38: ...a Select the regulation probe DC Return Customer etc in the Room Temp Config screen 5 Regulation humidity sensor selection optional a Select the regulation sensor Remote Customer in the Room Hum Conf...

Page 39: ...ion e Hot water eRecovery heaters Test H2 1 Full i Check supply temperature ii Check valve opening f TRMO i Test C3 Cool 1 Check circuit pressures and temperatures 2 Check electrical consumptions ii T...

Page 40: ...account while choosing the machine position on the building roof It s highly recommended to avoid putting the fresh air hood in the prevailing wind direction to avoid water ingress risks If this is no...

Page 41: ...ing it s mandatory to use only filters supplied by Lennox Only these filters are adapted to the unit and are designed to ensure the requested filtration quality and the correct air pressure drop Other...

Page 42: ...dynamic heat recovery module TRMO Vertical return Horizontal return Warning it s mandatory to use only filters supplied by Lennox Only these filters are adapted to the unit and are designed to ensure...

Page 43: ...4AH065FM2M E019AH066FM2M E014AH075FM2M E019AH076FM2M E016AH085FM2M E019AH086FM2M E016AH105FM2M E019AH106FM2M E019AH124FM2M E022AH077FM2M E024AH078FM2M E022AH087FM2M E024AH088FM2M E022AH107FM2M E024AH1...

Page 44: ...n the low pressure side and high pressure side WARNING In case of vacuum never connect the vacuum pump only tor Low Pressure connection valve In this case there is a risk of not vacuuming the complete...

Page 45: ...stem contains glycol for protection against freezing Glycol is the only effective protection against freezing The antifreeze must protect the unit against freezing under winter conditions Warning glyc...

Page 46: ...rotection has to be done using glycol Water pipes connection Water pipes of the hot and cold water coil eRecovery water coil are placed inside the unit Connection Inlet outlet with the water loop must...

Page 47: ...high temperature overload protection There are three sizes available for each size of unit S Standard heat M Medium heat H High heat Unit Description Type of modulation Capacity Current E014 E019 Stan...

Page 48: ...in control section It is protected as standard against overheat via a high temperature overload protection set at 98 C There are three sizes available for each size of unit S Standard heat M Medium he...

Page 49: ...condensate drain The condensates must absolutely be drained at least 5 meters from the unit into an appropriate place evacuation The condensates are corrosive and could damage the unit or other parts...

Page 50: ...1 Max Condensation produced 1 l h 3 3 2 7 5 4 Carbon monoxide CO 0 diO2 2 ppm 2 0 0 2 0 2 Nitrogen oxides Nox 0 diO2 3 mg kWh 34 45 45 Available flue pressure Pa 120 120 120 Power supply V 230Vac 50Hz...

Page 51: ...ves ignition sparks on pilot burner EV2 main gas valve opens to gas feed main burner Combustion starts thanks to pilot flame ignition The electronic boards close EVP and stops the pilot Air fans ON de...

Page 52: ...d Priority over the power setting signals ALARM to remote the lock signal Normally Open possible Normally Closed 3 possible power setting modes NTC1 temperature probe parameter d0 2 Only with 1 PCH de...

Page 53: ...nd the heater but leaving the gas filter Condensate drain WARNING Do not forget to connect the condensate drain No need to add a siphon The condensates must absolutely be drained at least 5 meters fro...

Page 54: ...Check the LCD display to verify that the Tin value is greater than the Von value When ON appears on the LCD display the heater starts the ignition cycle NOTE Frequently when turned on for the first ti...

Page 55: ...he operation in progress CPU or flashing communication problems CPU SMART LCD panel Menus 3 levels and to scroll the menus ENTER to select ESC back to the unit status after about 10 minutes change in...

Page 56: ...al from Climatic and PCH v signal from CLIMATIC CLIMATIC capacity factor 1st gas burner 2nd gas burner Third level menus PAR to read and set parameters for the burner and for the configuration of oper...

Page 57: ...eNeRGy IOM 2020 11 EN 57 List of faults To reset an alarm trip press simultaneously both arrow keys during a few second GAS BURNER GAS BURNER...

Page 58: ...nces An accumulation of dirt inside the exchanger could be revealed by a sizeable variation in the gas capacity that is not caused by improper functioning of the gas valve Should it become necessary t...

Page 59: ...heck the coils are clean or check coil internal pressure drop between the liquid line and the suction line Good if 3bar Too high 3 bar coil blocked Refrigeration circuit blocked in distribution Stop t...

Page 60: ...nt please follow the procedure described in the manual Recharge the unit Check the condenser coil and clean is necessary Recycled Hot Air Check clearance around the condenser Strong variations of pres...

Page 61: ...IAL FAN FAULT POSSIBLE CAUSE AND SYMPTOMS SOLUTION Circuit breaker open High Amps due to a low voltage from the main supply Check the voltage drop when all components are running Change the circuit br...

Page 62: ...Reduce the airflow rate if necessary CLIMATIC DISPLAYS FAULT POSSIBLE CAUSE AND SYMPTOMS SOLUTION Nothing is written on the screen but it s enlightened Possible problem of display addressing See Clima...

Page 63: ...prior written permission by Lennox Non original or other than the prescribed refrigerants or lubricants is used The equipment is installed in a country different from the country stated on the invoic...

Page 64: ...sal of the equipment Equipment shut down and recuperation of oil and coolant must be carried out by qualified personnel conform to the recommendations of standard NF EN 378 All elements in the refrige...

Page 65: ...h they must be accomplished It is recommended to follow such a plan to keep a rooftop unit in good working order Regular maintenance of your rooftop will extend its operating life and reduce operating...

Page 66: ...product is mandatory WARNING Fins and copper tubes are very fragile Any damage WILL reduce the performances of the unit Check condenser fans Check the rotation of the fan free rotation detection of vi...

Page 67: ...g signal in the controller Check the water flow only for rooftops with water condensation function Measure the water flow and compare it to the initial value set in the command selection Check the blo...

Page 68: ...ies pressure tapping tube Check and clean if necessary all fresh air grids Check the fresh air grilles if fitted If dirty or damaged remove them from unit and clean with high pressure water cleaner Re...

Page 69: ...ked ripped or discontinuous in these cases replace them Check and clean the water filter only for Rooftops with water condenser ATTENTION The water circuit can be under pressure Follow the usual preca...

Page 70: ...NNOXEMEAongoingcommitmenttoquality thespecifications ratings and dimensions are subject to change without notice and without incurring liability Improper installation adjustment alteration serviceor m...