Installation, operating and maintenance AIRCOOLAIR - LECM/LEHM. Providing indoor climate comfort
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1 Installation, operating and maintenance IRCOOLIR - LECM/LEHM Providing indoor climate comfort MIL82E
2 WRNING: Read this manual before carrying out installation, repair or maintenance work. TBLE OF CONTENTS POINTS TO BER IN MIND PGE 2 DT PGE FOR COMMISSIONING OF THE UNIT PGE GENERL CHRCTERISTICS PGE PHYSICL D T ELECTRICL D T FN PERFORMNCE UNIT D IMENSIONS INSTLLTION PGE INSTLLTION GUIDELINES OPTIONL TSK PRIOR TO UNIT INSTLLTION: REGULTING IRFLOW IN THE FNS SPCE FOR SERVICING D RINGE REFRIGERNT CONNECTIONS ELECTRICL CONNECTIONS INSTLLTION OF OPTIONS COMMISSIONING ND OPERTION PGE PRELIMINRY CHECKS MINTENNCE PGE PREVENTIVE MINTENNCE FULT D IGNOSIS Lennox have been providing environmental solutions since Our IRCOOLIR range continues to meet the standards that have made LENNOX a household name; flexible design solutions to meet your needs and uncompromising attention to detail; engineered to last, simple to maintain and quality that comes as standard. For information on local contacts go to ll the technical and technological information contained in this manual, including any drawings and technical descriptions provided by us, remain the property of Lennox and must not be utilised (except in the operation of this product), reproduced, issued to or made available to third parties without the prior written agreement of Lennox.
3 POINTS TO BER IN MIND DNGER ND WRNING SIGNS brasive surfaces Low temperatures High temperatures Risk of injury from moving objects Electrical voltage Risk of injury from rotating objects ELECTRICL CONNECTIONS To prevent serious electrical injuries, make sure to switch off the power before doing any installation, repair or maintenance work on the unit. To install the unit, bear in mind local and national legislation. TTENTION - WRNING Electric shock can cause injury or death. Before attempting to perform any service or maintenance on the unit, turn OFF the electrical power, and check that the fan has stopped. The air filter cleaning operations does not require technical service; however, when an electrical or mechanical operation is required, call an Engineer. CLENING THE FILTER Check the air filter and make sure it is not blocked with dust or dirt. If the filter is dirty, wash it in a bowl with neutral soap and water, drying it in the shade before re-inserting it in the unit. Standard Guidelines for Lennox equipment. ll technical data contained in these operating instructions, including diagrams and technical descriptions, remain the property of Lennox and may not be used (except for the purpose of familiarizing the user with the equipment), reproduced, photocopied, transferred or transmitted to third parties without prior written authorization from Lennox. D ata published in the operating instructions are based on the latest information available. We reserve the right to make modifications without notice. We reserve the right to modify our products without notice and with no obligation to modify goods previously supplied. These operating instructions contain useful and important information for the smooth operation and maintenance of your equipment. The instructions also include guidelines on how to avoid accidents and serious damage before commissioning the equipment and during its operation and how to ensure smooth and fault-free operation. Read the operating instructions carefully before starting the equipment, familiarize yourself with the equipment and with handling the installation and carefully follow the instructions. It is very important to be properly trained in handling the equipment. These operating instructions must be kept in a safe place near the equipment. Like most equipment, the unit requires regular maintenance. This section concerns maintenance personnel and management. If you have any queries or would like to receive further information on any aspect relating to your equipment, do not hesitate to contact us. 2
4 D T PGE FOR UNIT COMMISSIONING UNIT: SERIL Nr.: CONTROL PNEL ID ENTIFICTION COD E INSTLLTION D D RESS: INSTLLER: INSTLLER TEL: INSTLLER D D RESS: D TE COMMISSIONING: CHECKS: SUPPLY VOLTGE: RTED VOLTGE OF THE UNIT: YES NO D RINGE WITH TRP. CLEN INTERIOR IR FILTER. GENERL POWER SUPPLY CONNECTION. DT INPUT: COLD CYCLE HETING CYCLE ir flow data: ir Intake Temperature, Indoor Coil: High Pressure: Low Pressure: ir flow data: ºC ir Intake Temperature, Indoor Coil: ºC High Pressure: Low Pressure: ELECTRIC POWER CONSUMPTION (mps) Fan indoor section: Fan indoor section: Options Installed: Comments: 3
5 1.- GENERL CHRCTERISTICS PHYSICL D T L E C M 22 E --- Type of unit IRCOOLIR pplication C: Cooling only H: Heat pump pproximate cooling capacity in kw. Type of Refrigerant M: R : Standard unit version C50: With Climatic 50 controller E: One circuit D : Two circuits LECM: Cooling only unit R-410. LEHM: Heat pump unit R-410. WEIGHT FOR STNDRD UNITS UNIT MODELS NET WEIGHT 22E 26E 32E 38E 43E-44E 52D 64D-68E 76D-76E 86D 112D 128D 152D DDITIONL WEIGHT FOR OPTIONS ELECTRICL HETER MODELS LECM/LEHM WEIGHTS kg 22E-26E-32E-38E-43E-44E 52D 64D-76D-86D 112D-128D-152D D Y 76D =20; 86D =30 45 HOT WTER COIL MODELS LECM/LEHM WEIGHTS kg 22E-26E-32E 38E 43E-44E 52D-64D/68E 76D/76E 86D 112D-128D-152D KIT MORE STTIC PRESSURE OF IR D ISCHRGE MODELS LECM/LEHM WEIGHTS kg 22E 26E 32E 38E 43E-44E 52D 64D-68E 76D-76E 86D 112D 128D 152D FREE-COOLING, MIXING MODELS LECM/LEHM WEIGHTS kg 22E 26E 32E 38E 43E-44E 52D 64D-68E 76D-76E 86D 112D 128D 152D RETURN FN MODELS LECM/LEHM WEIGHTS kg 22E 26E 32E 38E 43E-44E 52D 64D-68E 76D-76E 86D 112D 128D 152D n/a n/a n/a n/a n/a n/a EXHUST FN LECM/LEHM WEIGTHTS Kg ELECTRICL D T 22E 26E 32E 38E 43E-44E 52D 64D-68E 76D-76E 86D 112D 128D 152D ELECTRICL CONSUMPTION FOR STNDRD UNITS UNIT MODELS Voltage Maximum absorbed power Maximum current Start up current UNIT MODELS Voltage Maximum absorbed power Maximum current Start up current Ph/V/Hz kw Ph/V/Hz kw LECM 22E LEHM 22E LECM 26E LECM 32E LECM 38E LECM 43E LEHM 26E LEHM 32E LEHM 38E LEHM 43E-44E 3N~400V 50Hz LECM 64D LEHM 64D 4 LECM 52D LEHM 52D LECM 76D LECM 86D LECM 112D LECM 128D LEHM 76D LEHM 86D LEHM 112D LEHM 128D 3N~400V 50Hz LECM 152D LEHM 152D
6 1.- GENERL CHRCTERISTICS DDITIONL ELECTRICL CONSUMPTION FOR THE OPTIONS ELECTRICL HETER Voltage Maximum absorbed power Maximum current Ph/V/Hz kw LECM-LEHM 22E-26E-32E-38E-43E-44E 3~400V 50Hz ELECTRICL HETER COOLING ONLY Voltage Max. absorbed power Maximum current Ph/V/Hz kw LECM 52D LECM 64D-76D-86D LECM 112D-128D-152D 3~400V 50Hz 1 STGE 2 STGES 1 STGE 2 STGES 1 STGES 2 STGES ELECTRICL HETER HETING PUMP Voltage Maximum absorbed power Maximum current kw LEHM 52D LEHM 64D-76D-86D 3~400V 50Hz LEHM 112D-128D -152D 1 STGE 1 STGE 1 STGE EXHUST FN Voltage Maximum absorbed power Maximum current 230V Ph/V/Hz kw LECM 22E LEHM 22E LECM 26E LEHM 26E LECM 32E LEHM 32E 1N~230V 50Hz LECM 38E LEHM 38E LECM 43E LEHM 43E-44E LECM 52D LEHM 52D EXHUST FN Voltage Maximum absorbed power Maximum current 400V Ph/V/Hz kw LECM 64D LEHM 64D LECM 76D LEHM 76D LECM 86D LEHM 86D LECM 112D LEHM 112D 3~400V 50Hz LECM 128D LEHM 128D LECM 152D LEHM 152D HIGH PRESSURE FN Voltage Maximum absorbed power Maximum current Start up current Ph/V/Hz kw LECM 22E LEHM 22E LECM 26E LEHM 26E LECM 32E LECM 38E LEHM 32E LEHM 38E 3~400V 50Hz LECM 43E LEHM 43E-44E LECM 52D LEHM 52D HIGH PRESSURE FN Voltage Maximum absorbed power Maximum current Start up current Ph/V/Hz kw LECM 64D LEHM 64D LECM 76D LEHM 76D LECM 86D LECM 112D LEHM 86D LEHM 112D 3~400V 50Hz LECM 128D LEHM 128D LECM 152D LEHM 152D RETURN FN Voltage Maximum absorbed power Maximum current Ph/V/Hz kw LECM 64D LEHM 64D LECM 76D LEHM 76D LECM 86D LEHM 86D 3~400V 50Hz LECM 112D LEHM 112D LECM 128D LEHM 128D LECM 152D LEHM 152D
7 1.- GENERL CHRCTERISTICS FN PERFORMNCES STND RD FN PERFORMNCES Check if you have standard high static pressure, frecooling option with return fan or with exhaust fan. m 3 /h CLOSED E E m 3 /h n/a CLOSED 32E m 3 /h n/a 38E r.p.m m 3 /h vailable static pressure Pa n/a n/a CLOSED CLOSED 43E-44E m 3 /h D m 3 /h D m 3 /h n/a 76D m 3 /h CLOSED CLOSED 86D m 3 /h D m 3 /h D m 3 /h n/a 152D r.p.m m 3 /h vailable static pressure Pa ( ) WRONG STTUS ON CCOUNT OF POWER LIMIT. NOMINL FCTORY SETTING. NOTE: dditional pressure drop with the option high efficiency air filter G4 is 50Pa. NOTE: With low distance option it is not suitable unit working below nominal air flow. 6
8 1.- GENERL CHRCTERISTICS FN PERFORMNCES WITH KIT HIGH STTIC PRESSURE (OPTIONL TRNSMISSION) CLOSED CLOSED CLOSED CLOSED CLOSED CLOSED 22E m 3 /h E m 3 /h E-44E m 3 /h D-68E m 3 /h D m 3 /h D m 3 /h E m 3 /h E m 3 /h D m 3 /h D-76E m 3 /h D m 3 /h D m 3 /h ( ) WRONG STTUS ON CCOUNT OF POWER LIMIT. NOMINL FCTORY SETTING. NOTE: dditional pressure drop with the option high efficiency air filter G4 is 50Pa. NOTE: With low distance option it is not suitable unit working below nominal air flow. 7
9 1.- GENERL CHRCTERISTICS FN PERFORMNCES WITH FREE-COOLING Return fan performances for each models are: IR CUDL FLOW CLOSED 64D-68E m 3 /h D-76E m 3 /h IR CUDL FLOW CLOSED 86D m 3 /h D m 3 /h CLOSED 128D m 3 /h D m 3 /h ( ) WRONG STTUS ON CCOUNT OF POWER LIMIT. NOMINL FCTORY SETTING. NOTE: dditional pressure drop with the option high efficiency air filter G4 is 50Pa. NOTE: With low distance option it is not suitable unit working below nominal air flow. ir flows with exhaust fan for option free-cooling without return fan 22E-26E-32E 38E-43E-44E-52D m 3 /h m 3 /h VILBLE STTIC PRESSURE Pa D-76D-86D / 68E-76E 112D m 3 /h m 3 /h VILBLE STTIC PRESSURE Pa D-152D m 3 /h VILBLE STTIC PRESSURE Pa
10 1.- GENERL CHRCTERISTICS UNIT DIMENSIONS MODELS 22E - 26E - 32E VERTICL DISCHRGE OPTIONL HORIZONTL DISCHRGE VERTICL DISCHRGE STNDRD OPTIONL Transportation support 1005 Drainage outside thread 3/ ir filter Drainage outside thread 3/4 387 Refrigerant connections Drainage outside thread 3/4 ccess to motor Electrical power supply MODELS 38E - 43E - 44E - 52D VERTICL DISCHRGE OPTIONL VERTICL DISCHRGE OPTIONL Drainage outside thread 3/ Electrical power supply 25 Electrical power supply 291 Refrigerant connections 75 Transportation support Drainage outside thread 3/ ccess to motor Drainage outside thread 3/4 ir filter Drainage outside thread 3/ VERTICL DISCHRGE OPTIONL VERTICL DISCHRGE OPTIONL HORIZONTL DISCHRGE STNDRD MODELS 64D - 76D - 86D ND 68E - 76E 19 Refrigerant connections Transportation support Drainage outside thread 3/ ccess to motor ir filter HORIZONTL DISCHRGE STNDRD Drainage outside thread 3/4 Refrigerant connections Electrical power supply MODELS 112D-128D-152D Refrigerant connections VERTICL DISCHRGE OPTIONL Refrigerant connections VERTICL DISCHRGE OPTIONL Electrical power supply 2900 Drainage outside thread 3/4 ir filter Drainage outside thread 3/ HORIZONTL DISCHRGE STNDRD Drainage outside thread 3/4 641 Electrical power supply ccess to motor
11 2.- INSTLLTION INSTLLTION GUID ELINES LL INSTLLTION, SERVICE and MINTENNCE operations must be carried out by QULIFIED PEONNEL. The unit must be transported in a HORIZONTL on its metal legs. ny other position may cause serious damage to the machine. When the unit is received, it should be checked to ensure that there are no knocks or other damage, following the instructions on the packaging. If there is damage, the unit may be rejected by notifying the LENNOX D istribution D epartment and explaining on the transport agent s delivery notice why the machine is unacceptable. ny complaint or claim made subsequently to the LENNOX D istribution D epartment for this type of anomaly cannot be considered under the Guarantee. Sufficient space must be allowed to facilitate placement of the unit. When positioning the unit, be sure that the Rating Plate will always be visible since this data will be necesary to assure proper maintenance. The units are designed to be installed with ducts, calculated by qualified technical staff. The joints to be used between ducts and the openings to the unit should be Elastic Joints. void the use of BYPSS joints between the extraction air and input air in both the outdoor and indoor sections. The structure where the unit is placed must be able to support the weight of the unit during operation. If there are problems of height, the transport supports can be removed by unscrewing them from the base. (Units 22E to 86E) OPTIONL OPERTIONS PRIOR TO UNIT INSTLLTION: VENTILTION FOR LECM-LEHM UNITS IS PROVID ED BY: 1.- Centrifugal fan (single or double). 2.- D rive motor. 3.- Pulley fixed to the fan. 4.- djustable pulley on the fan motor. 5.- Pulley belt. 6.- Base of the motor with displacement system for tensioning belts. 7.- Tensioning screw REGULTING IRFLOW T THE FNS The unit fan has an adjustable pulley on the drive motor so that, when the fan is switched off, the pulley diameter can be adjusted to modify the unit s air flow, as required. 1. Fixed part. 2. Moving part. 3. Fixing screw. CLOSE : To increase the air flow from the fan, turn the moving part in direction B. (Clockwise). OPEN : To reduce airflow, turn in direction. (nticlockwise). TENSION OF BELTS SIMPLE 3 D JUSTBLE S 1 2 B B D OBLE The belts can be easily tensioned by means of the tensioning screw incorporated into the base of the motor in the transmission unit, which also makes it easy to carry out servicing properly. When the tensioning screw is turned, the fan motor is moved sideways in order to tension the pulley D ISPLCEMENT
12 2.- INSTLLTION SERVICE SPCE Free space should be left to enable access for servicing, in order to check the installation of the cables, drainage connections, electrical installation and cleaning filters, as well as to give easy access to the unit D RINS 1m 1m 1m 1m ll units have a 3/4 steel threaded drainage pipe welded to the condensation tray. Drainage pipes will be fitted for each tray through a siphon with a height difference of 80 mm. to avoid drainage problems from the depression formed by the fans. The pipes should have a 2% slope to enable condensation to be drained easily. 2% Mín. 80mm UNIT lso tip the unit slightly (2%) toward the drainage side. Check that the condensation trays are clean and free of dirt and other debris from the installation work and that water drains correctly. Inspection and cleaning cap REFRIGERNT CONNECTIONS The unit is supplied with gas and liquid lines, sealed with copper caps. THE UNITS RE SUPPLIED WITH NITROGEN GS. THIS MUST BE REMOVED BEFORE PROCEED ING S FOLLOWS: 1 Remove the nitrogen gas through the top and bottom 5/16 service ports, leaving a vacuum as a safety measure. 2 Remove the caps from the connecting pipes. 3 Braze the connecting pipes. (When brazing refrigerant pipes, nitrogen gas must be supplied through the service ports into the pipes to remove any air). D URING INSTLLTION OPERTIONS, KEEP GS ND LIQUID PIPES COVERED, IN ORD ER TO PREVENT HUMID ITY ND D IRT FROM GETTING INTO THEM. TKE SPECIL CRE TO ENSURE THT REFRIGERNT PIPES RE INSULTED. VOID COLLPSE ON PIPE LINES INSTLLTION D and 128D unit models uses different sizes of pipe connections: big size for circuit 1 and small size for circuit 2. C2 C1 Please be sure to connect indoor unit circuits C1 and C2 to the corresponding C1 and C2 circuits of the outdoor unit. 11
13 2.- INSTLLTION ELECTRICL CONNECTIONS - BEFORE MKING NY ELECTRICL CONNECTIONS, BE SURE THT LL CIRCUIT BREKE RE OPEN. - IN ORD ER TO CRRY OUT THE ELECTRICL CONNECTIONS, FOLLOW THE ELECTRICL D IGRM SUPPIED WITH THE UNIT. UNITS WITHOUT FREE-COOLING OPTTION STNDR VEION C50 VEION 2 Power supply (indoor fan) Liquid-gas pipe sensor. (STD only). Discharge sensor (C50 only). BE connection (option) IND OOR IND OOR 22E 26E 32E 38E 43E-44E 52D 64D-68E 76D-76E 86D 112D 128D 152D VEIONS: STNDRD + C50 Supply FM Liquid-gas pipe sensor Discharge sensor C x 1.5 mm 2 2 x 1 mm 2 shielded 4 x 1 mm 2 shielded 2 x 1 mm 2 shielded 4 x x 1.5 mm 2 4 x x 1.5 mm 2 4 x 2.5 mm 2 4 x x 1.5 mm 2 Supply BE (mm 2 ) 1 STGE 6 2 STGES 4 x x 1.5 mm 2 4 x x 1.5 mm 2 40kw: 2x(4x6)mm 2 +4x1.5m 2 60kw: 2x(4x10)mm 2 +4x1.5mm 2 UNITS WITH FREE-COOLING OPTION S OS Return section (OPT) Mixing section (OPT) Indoor section STNDRD VEION IND OOR 3 IS 2 6 Return section (OPT) Mixing section (OPT) Indoor section D S OS OS HR/T S HR/T S HR/T 5 CO2 MS IND OOR D PT 2 6 C50 VEION Option CONNECTION OF CONTROL ELEMENTS: To connect by installer COMPONENTS DS (Discharge sensor). OS (Outdoor sensor). S (Remote ambient sensor). (D uct sensor). It replaces S. IS (Liquid-gas pipe sensor) VEIONS MS (D uct sensor for thermostatic and enthalpic free cooling). HR/T (D uct remote sensor) for enthalpic free-cooling. CO 2 (CO 2 ir quality probe) available only with enthalpic free-cooling. DP (ir differential pressure transducer). OS HR/T (Outdoor sensor) for enthalpic free-cooling. S HR/T (Remote ambient sensor) for enthalpic free-cooling. STNDRD OPTION OPTION OPTION STNDRD C50 STNDRD STNDRD STNDRD OPTION OPTION OPTION OPTION OPTION OPTION OPTION Nr OF CBLES X 2 x 1 mm 2 (abgeschirmt) 2 x 1 mm 2 (abgeschirmt) 2 x 1 mm 2 (abgeschirmt) 2 x 1 mm 2 (abgeschirmt) 2 x 1 mm 2 (abgeschirmt) 2 x 1 mm 2 (abgeschirmt) 5 x 1 mm 2 (abgeschirmt) 3 x 1 mm 2 (abgeschirmt) 3 x 1 mm 2 (abgeschirmt) 5 x 1 mm 2 (abgeschirmt) 5 x 1 mm 2 (abgeschirmt) VOLTGE OPERTING LIMITS: V 12
14 2.- INSTLLTION OPTIONS INSTLLTION ELECTRICL HETER The electrical heater must be supplied from the unit s electrical box. Safety thermostat Small panel for contactors and connections Location of the electrical heater once installed Support HOT WTER COIL PROTECTION GINST FREEZING: Use glycol water. GLYCOL IS THE ONLY EFFECTIVE PROTECTION GINST FREEZING. This kit includes a safety thermostat with a probe located inside the hot water coil. When the temperature drops below 4ºC, the unit will stop in order to protect the hot water coil and to prevent the unit from working with very low evaporating temperatures. Five wires must be added between indoor and outdoor unit with this option. Hot water coil includes regulating valve: - ON/OFF for standard and D 2 version. - Proportional (0-10V), for C50 version. Location of the hot water coil once installed Water outlet Water inlet Support You must ensure that manual or automatic air vents have been installed on all high points in the system. In order to drain the system, check that drain valves have been installed at all low points of the system. HETING COIL FROZEN D UE TO LOW MBIENT COND ITIONS IS NOT COVERED BY THE WRRNTY. FREE COOLING 1.- OPERTION The control compares the values of temperature/enthalpy between outside air and room air by means of the probes; if there is a negative difference and the safety elements allow (discharge temperature probes) then the control acts on the servomotor, which opens the outside damper and closes the return damper, allowing cool outside air to enter the room. The damper is proportionally regulated. If there is not a great demand for air indoors, it may be enough just to have free cooling to condition the room. If there is a greater demand for air, the free cooling and the unit may need to be working in different cooling mode stages. 2.- SUPPLY ND INSTLLTION The free cooling option can be delivered as a packaged system or as a split system. The mixing section will be delivered with the unit for models 22E to 52D and as a split system for the remaining models. Return fan section will be delivered with the unit. Configuration of free cooling supply: IND OOR UNIT EF: Exhaust fan. MS: Mixing section. : Return fan section. 22E-52D EF MS IU 64D - 152D * MS IU 64D - 152D * * MS IU EF IU: Indoor unit. Flexible duct to be installed by the customer. * Mixing and return fan sections can be together or not. 13
15 2.- INSTLLTION FREE-COOLING THERMOSTTIC FREE COOLING WITHOUT RETURN FN LECM/LEHM 22E TO 52D. STNDRD VEION OUTD OOR UNIT ELECTRICL BOX 2x x1 (twisted pairs and shielded) TERMINL DC40 To be wired by the installer. OS 4x1.5 standard version) 5x x1.5 (with EFM) 4x1.5 The drawings show the side view EFM MIXING IND OOR UNIT 3x1.5 IR FILTER RETURN IR D UCT D M HETER IS D ISCHRGE IR D UCT FRESH IR INTKE FM THERMOSTTIC FREE COOLING WITHOUT RETURN FN LECM/LEHM 64D TO 152D ND 68E TO 76E. STNDRD VEION OUTD OOR UNIT ELECTRICL BOX 2x x1 (twisted and shielded) TERMINL DC40 To be wired by the installer. OS 4x1.5 ( standard version) 5x x2.5 (With EFM) 4x2.5 4x1 Shielded 2x1 models 68E y 76E The drawings show the top view MIXING IND OOR UNIT EFM RETURN IR D UCT BTERÍ HETER IS D ISCHRGE IR D UCT FM D M FRESH IR INTKE IR FILTER OS: Outdoor temperature sensor. EMF: Exhaust fan motor. IS: Liquid-gas pipe sensor. FM: Indoor fan motor. D M: D amper actuator. : Return sensor (option). 14
16 2.- INSTLLTION FREE-COOLING THERMOSTTIC FREE COOLING WITH RETURN FN LECM/LEHM 64D TO 152D ND 68E-76E. STNDRD VEION OUTD OOR UNIT ELECTRICL BOX 2x x1 (twisted and shielded) TERMINL DC40 To be wired by the installer. OS 5x x2.5 4x2.5 The drawings show the top view MIXING RETURN D ISCHRGE IR IND OOR UNIT RETURN IR D UCT 4x2.5 HETER IS D ISCHRGE IR D UCT RFM FM D M FRESH IR INTKE IR FILTER OS: Outdoor temperature sensor. RFM: Return fan motor. D M: D amper actuator. IS: Liquid-gas pipe sensor. FM: Indoor fan motor. : Return sensor (option). 15
17 2.- INSTLLTION FREE-COOLING THERMOSTTIC ND ENTHLPIC FREE-COOLING WITHOUT RETURN FN LECM/LEHM 22E TO 52D. S HR/T S OS 5x1 Shielded OUTD OOR UNIT ELECTRICL BOX C50 VEION 5x1.5 (Standard version) 6x1.5+3x1.5 (With EFM) To be wired by the installer OS HR/T 5x1 Shielded 3 twisted pairs WG24 and Shielded Terminal C50 The drawings show the side view EFM ELECTRICL BOX IR FILTER MIXING IND OOR UNIT 1m 3x1.5 S HR/T S OS OS HR/T 4X1.5 N/ Free-cooling N/ RETURN IR D UCT FRESH IR INTKE HR/T HR/T CO 2 CO 2 EFM MS D M MS THERMOSTTIC ND ENTHLPIC FREE-COOLING WITHOUT RETURN FN LECM/LEHM 64D TO 152D ND 68E-76E. DS (D ischarge sensor). OS (Outdoor sensor). S (Remote ambient sensor). (D uct sensor). MS (D uct sensors free-cooling). HR/T (D uct remote sensor). CO 2 (CO 2 ir quality probe). 5x1 Shielded 5x1 Shielded DPT (ir differential pressure transducer). OS HR/T (Outdoor sensor). S HR/T (Remote ambient sensor). Thermostatit Standard Standard Standard OPT (It replaces S) Standard N/ Optional N/ N/ 3x1 Shielded 5x1 Shielded 3x1 Shielded Enthalpic Standard Standard Standard Standard OPT (It replaces S/HR/T) Optional Optional Standard Standard OUTD OOR UNIT ELECTRICL BOX 5x1 Shielded C50 VEION 3 twisted pairs WG24 and Shielded RETURN IR D UCT MIXING D M Terminal BTERÍ HETER 5x1.5 (Standard version) 6x1.5+4x1.5 (With EFM) FM DPT C50 HETER IND OOR UNIT FM D PT D S D ISCHRGE IR D UCT o be wired by the installer The drawings show the top view D S D ISCHRGE IR D UCT ELECTRICL BOX FRESH IR INTKE IR FILTER 3x1 Shielded 3x1 Shielded 4X1.5 (4x2.5, 112D to 152D models) D M: D amper actuator. EFM: Exhaust fan motor. FM: Indoor fan motor. 16
18 2.- INSTLLTION FREE-COOLING THERMOSTTIC ND ENTHLPIC FREE-COOLING WITH RETURN FN LECM/LEHM 64D TO 152D ND 68E-76E. C50 VEION To be wired by the installer S HR/T S OS OS HR/T 5x1 Shielded 5x1 Shielded OUTD OOR UNIT ELECTRICL BOX 5x1.5 (Standard version) 6x1.5+4x2.5 (With EFM) 2x1 Shieled 3 twisted pairs WG24 and Shielded Terminal C50 MIXING The drawings show the top view RETURN D ISCHRGE IR IND OOR UNIT D M 3x1 HR/T MS D S RETURN IR D UCT CO 2 RFM D M HETER FM D PT D ISCHRGE IR D UCT 4X2.5 3x1 Shielded ELECTRICL BOX FRESH IR INTKE IR FILTER 3x1 Shielded 4X2.5 D M: D amper actuator. RFM: Return fan motor. FM: Indoor fan motor. 17
19 2.- INSTLLTION FREE-COOLING DIMENSIONS FREE-COOLING WITHOUT RETURN FN MOD ELS 22E-26E-32E-43E-52D EXHUST FN (View front) EXHUST FN (View back) OUTD OOR IR MIXING IND OOR UNIT C D C B F E G I J H RETURN IR The position of the damper may be different from the one shown in the picture. See drawings. MOD ELS 64D -76D -86D 68E-76E D ISCHRGE FRME 490x508x MODELS 22E-32E 38E-52D B C D E F G H I J IND OOR UNIT EXHUST FN (OPTION) 2250 RETURN IR MIXING OF FLEXIBLE DUCT TO BE INSTLLED BY THE CUSTOMER 2660 x 1054mm 2 OUTDOOR IR DMPER n exhaust fan may be included with free cooling without return fan. 18
20 2.- INSTLLTION FREE-COOLING DIMENSIONS FREE-COOLING WITHOUT RETURN FN MOD ELS 112D -128D -152D IND OOR UNIT D ISCHRGE FRME 803x1008x EXHUST FN (OPTION) 2900 RETURN IR MIXING 1050 OF FLEXIBLE D UCT TO BE INSTLLED BY THE CUSTOMER 2660 x 1054mm 2 OUTD OOR IR D MPER 1100 DIMENSIONS FREE-COOLING WITH RETURN FN MOD ELS 64D -76D -86D 68E-76E OF FLEXIBLE D UCT TO BE INSTLLED BY THE CUSTOMER D ISCHRGE IR D ISCHRGE FRME OF FLEXIBLE D UCT TO BE INSTLLED BY THE CUSTOMER IND OOR UNIT RETURN IR RETURN D MPER OUTD OOR IR D MPER 19
21 2.- INSTLLTION FREE-COOLING DIMENSIONS FREE-COOLING WITH RETURN FN MOD ELS 112D -128D -152D D ISCHRGE IR OF FLEXIBLE D UCT TO BE INSTLLED BY THE CUSTOMER 2275 x 1010 mm DISCHRGE FRME 803x1008x OF FLEXIBLE D UCT TO BE INSTLLED BY THE CUSTOMER 2660 x 1054 mm 2 IND OOR UNIT RETURN IR RETURN D MPER OUTD OOR IR D MPER 20
22 3.- COMMISSIONING ND OPERTION PRELIMINRY CHECKS BEFORE FIT OPERTION Check that drainage connections and their fixtures are secure and that the level of the unit is tipped toward the drain. Inspect the condition of the ducts and grilles (grilles are clean and clear of obstructions, no breaks in the duct, etc.). Check that the power supply is the same as stated on the Rating Plate and is in accordance with the electrical diagram for the unit and that cable sizes are correct. Check that the electrical connections are tightened onto their terminals and to earth. Inspect the ir Filter, which should be in its housing and correctly positioned (the metal grille should be facing inwards). Check with your hand that the fan turns freely. SKETCH FOR THE STND RD UNIT CONFIGURTION IN D OUBLE CIRCUIT UNITS LOCTION The unit can be installed outside (if an outdoor kit installation has been ordered). If this is installed, air entry and exit ducts should be fitted. The indoor unit should be assembled on bases that have been prepared beforehand. It should stand on absorbent and anti-vibration material to avoid vibrations being transmitted to the structure of the building. lways to be done through a common duct or plenum. D ISCHRGE IN THE UNIT MOD ELS 52D TO 152D IND OOR FLEXIBLE JOINT IN OUTLETS RETURN IR D UCT D ISCHRGE IR IND OOR INTERNL FN CCESS D RIN PIPE TRP 4.- MINTENNCE PREVENTIVE MINTENNCE PREVENTIVE MINTENNCE HELPS TO VOID COSTLY REPI, SO PERIOD IC INSPECTIONS RE REQUIRED : GENERL COND ITION OF THE HOUSING: Fittings, paintwork, damage from knocks, rust spots, levelling and supporting, condition of the shock absorbers, if installed, bolted on panels, etc. - ELECTRICL CONNECTIONS: Condition of hoses, tightness of screws, earthing, current draw of the compressor and fans and checking that the unit is receiving the correct voltage. - COOLING CIRCUIT: Check that pressure values are correct and that there are no leaks. Check that there is no damage to the pipe insulation, that the state of the batteries is correct and that there are no material clogging the duct and obstructing the air flow, etc. - D RINS: Check that water drains correctly and that the drain trays are clean. - FN: Check that fans turn freely and in the correct direction without excessive noises. - IR FILTER : The air filter can be removed through the side by sliding it over the rail or downwards. (See figure). For downwards removal, remove the two profiles that support it (depending on the model) which are under the filter guide rail and screwed onto the unit. In 112D/128D/152D models, the filters must be extracted by the two sides (2 filters per side). The filter should be cleaned with a vacuum cleaner or washed in soapy water. The frequency for cleaning or changing the air filters will depend on the quality air in the area (fumes, vapors, suspended dust particles, etc.). Remember that the metal grille should always be toward the inside of the unit. 21 SID E REMOVL Remember that the Control Panel may program a notification parameter, for cleaning or replacement of air filters depending on the number of hours of fan operation in the indoor section.
23 4.- MINTENNCE FULT D IGNOSIS DIRTY FILTER INDICTION If the filters are dirty, the detector activates an alarm, but only if the fan is ON. SMOKE DETECTOR In this case it would initiate shutdown sequence the unit, fully close the return air damper and open the fresh air damper up to 100% and send an alarm signal to the unit. 22
24 BELGIUM, LUXEMBOURG CZECH REPUBLIC FRNCE PORTUGL RUSSI SLOVKI Due to Lennox s ongoing commitment to quality, the Specifications, Ratings and Dimensions are subject to change without notice and without incurring liability. Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury. Installation and service must be performed by a qualified installer and servicing agency. GERMNY SPIN GRET BRITIN UKRINE NETHERLNDS OTHER COUNTRIES POLND MIL82E
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