ECOLEAN SM4 MIL113E-0311 02-2012_HQ
Contents
1. X Q 2 v D 0 00 5 00 10 00 15 00 20 00 25 00 30 00 35 00 40 00 45 00 50 00 Water flow m h PRESSURE DROP WITHOUT FILTER 120 00 100 00 80 00 X Q 9 60 00 2 40 00 V 20 00 0 00 0 00 10 00 20 00 30 00 40 00 50 00 Water flow m h 1 GENERAL CHARACTERISTICS 1 6 HYDRAULIC SYSTEM DATA WATER FLOW AND AVAILABLE STATIC PRESSURE OF WATER PUMP 0251 0291 Available static pressure kPa 300 250 150 100 50 50Hz Available static pressure kPa Available static pressure kPa Water flow m h 0351 0431 Water flow m h 0472 08122. Water flow m h LENNOX 14 1 GENERAL CHARACTERISTICS 1 6 HYDRAULIC SYSTEM DATA 1003 1103 1303 1303 Available static pressure kPa Water flow m h 1804 350 300 250 200 iB 40 150 100 Available static pressure kPa 50 e 0 5 10 15 20 25 30 Water flow m h 35 40 Available static pressure kPa R w N o o EN u o e LENNOX 1403 1604 2104 Water flow m h NOTE With the twin pumps kit the available static pressure will decrease 596 from the data shown above UNITS WITHOUT VARIABLE WATER FLOW OPTION To get available static pressure of the unit use the graphics for the water pump available static pressure 50Hz and take into account pressure drop of the unit filter UNITS WITH VARIABLE WATER FLOW OPTION It is possible to vary the speed of the water pump 1 Constant value for the differe
3. LOW SPEED MODELS 0251FM 0291FM 0351FM 0431FM 0472FM 0552FM 0672FM 0812FM Fan type Low speed 3 400V Fan number Nr T Air flow rate m h 10736 10736 10662 10181 10736 10736 10736 10736 10662410662 10181710181 s Power input kW 1 57 1 57 1 57 1 58 1 57 1 57 1 57 1 57 1 57 1 57 1 58 1 58 Air flow rate m h 9455 9455 9479 9045 945549455 945549455 947949479 904549045 S 2 Power input kW 1 59 1 59 1 59 1 59 1 59 1 59 1 59 1 59 1 59 1 59 1 59 1 59 E Air flow rate m h 8304 8304 8316 8001 830448304 830448304 831678316 8001 8001 Power input kW 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 MODELS 1003FM 1103FM 1203FM 1303FM 1403FM 1604FM 1804FM 2104FM Fan type EVER Fan number Nr T Air flow rate m h 36125 36125 36125 36125 36125 38215 61205 61205 s Power input kW 6 2 6 2 6 2 6 2 6 2 6 2 12 6 12 6 m Air flow rate m h 33700 33700 33700 33700 33700 35700 58500 58500 S 2 Power input kW 6 3 6 3 6 3 6 3 6 3 6 3 12 6 12 6 E Air flow rate m h 30100 30100 30100 30100 30100 32100 54700 54700 Power input kW 6 3 6 3 6 3 6 3 6 3 6 3 12 7 12 7 HIGH SPEED MODELS 0251FM 0291FM 0351FM 0431FM 0472FM 0552FM 0672FM 0812FM Fan type High speed 3 400V Fan number Nr 76 Air flow rate m h 15608 15608 15299 14994 15608415608 15608415608 15299415299 14994414994 Power input kW 2 47 2 47 2 50 2 02 2 47 2 47 2 47 2 47 2 50 2 50 2 52
4. Low speed a Be HEAT MODE Stopped Air Outside Temperature C QUIET High speed i e Recien ee minim nimimm niim minim minim nimimm nine Low speed e e r cool MODE Stopped x 18 0 20 0 Pressure HP Bar High speed EEE EE EE EE EE EE EE mem EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE M mem EE EE EE EE EE EE Low speed NN U wove Stopped Air Outside Temperature In this mode the fan capacity is limit according to the sound level desired For fan using low high speed the high speed is locked In case of condensing temperature too high the Climatic 60 unlocks the limit or the high speed to prevent from unloading compressor This mode is similar to the Quiet mode except that the fan speed limit or the high speed is never unlocked In case of condensing temperature too high the Climatic 60 will unload compressor to prevent from HP security Approximated values UNITS WITH LOW WATER TEMPERATURE KIT OPTION DIFFERENCE OF TEMPERATURE water inlet water outlet Maximum difference of temperature Nominal difference of temperature gt Minimum diff rence of temperature 6 4 2 0 2 4 6 8 10 Water outlet temperature C 11 1 GENERAL CHARACTERISTICS 1 5 PRESSURE DROP IN THE WATER SYSTEM INS
5. DISPLAY Q WATER CONTROL EXPANSION EXCHANGER 4 VESSEL ELECTRICAL MAIN SWITCH BON 1635 WATER FILTER COMPRESSOR POWER SUPPLY CABLE ENTRY WATER OUTLET COMPONENT POSITION HYDRONIC VERSION UNIT WATER TANK WATER EXCHANGER EXPANSION i P ERN VESSEL ELECTRICAL BOX 474 80 t ELECTRICAL BOX P d gt vd COIL N l O 2 VT WATER PUMP N SE WATER FILTER COMPRESSOR Sanane FLOW SWITCH COMPONENT POSITION STANDARD VERSION UNIT EAC EAR 0472 0552 0672 0812 eee COILS PRE Q FLOW SWITCH DISPLAY lo CONTROL ELECTRICAL BOX POWER SUPPLY CABLE ENTRY WATER FILTER 1635 ELECTRICAL BOX COMPRESSORS COMPONENT POSITION WATER INLET HYDRAULIC VERSION UNIT WATER EXCHANGER COILS COMPRESSORS WATER OUTLET k WATER PUMP LO EXPANSION e MAIN SWITCH VESSEL E koi k pee sss POWER SUPPLY dE SED 7472 189 CABLE ENTRY kl L h V WATER FILTER 1960 7 N N ELECTRICAL BOX FLOW SWITCH 1 6 COMPONENT POSITION Y I gt 26 HYDRONIC VERSION UNIT J WATER TANK COILS WATER EXCHANGER EXPANSION Kk Nee VESSEL LO WATER PUMP _ 1960 WATER FILTER ELECTRICAL FLOW SWITCH BOX COMPRESSORS 21 LENNOX 1 GENERAL CHARACTERISTICS 1 8 DIMENSIONS COMPONENT POSITION STANDARD VERSION UNIT
6. 0 0 e N D 850 WATER OUTLET DN80 WATER INLET DN80 COMPRESSORS ELECTRICAL BOX 23 LENNOX 2 INSTALLATION 2 1 SITE AND SHIPPING GUIDANCE All INSTALATION SERVICE and MAINTENANCE operations must be carried out by QUALIFIED PERSONNEL The unit must be transported in a HORIZONTAL POSITION on its metal bedplate profiles Any other position may cause serious damage to the machine When the unit is received it should be checked to assure that there are no bumps or other damage following the instructions on the packaging If there is damage the unit may be rejected by notifying the LENNOX Distribution Department and reporting why the machine is unacceptable on the transport agent s delivery notice Any later complaint or claim made to the LENNOX Distribution Department for this type of anomaly cannot be considered under the Guarantee Sufficient space must be allowed to facilitate placement of the unit The unit may be mounted outdoors There should be adequate drainage around the unit In heat pump units during defrost cycle the units produce a great amount of water melting the ice off coils If you wish to drain the water adequate drainage should be installed behind the unit to collect and carry out the water where desired Y When positioning the unit be sure that the Rating Plate will always be visible since this da
7. s n i 214 Y ia 90 EAC EAR 0472SM 0552SM 0672SM 0812SM 1960 955 955 214 M 197 5 25 EAC EAR 1003 1103 1203 1303 1403 2250 603 1327 682 1420 682 O14 28 T Water connection 160 Water connection 152 2300 784 696 O14 V xia m 34 466 l 1118 466 2250 Keep this space free around the unit for installation for all unit versions 26 LENNOX 2 INSTALLATION 2 UNIT INSTALLATION 1 The EcoLeanTM units could be installed outside or inside 2 See the minimum clearance diagrams for access air supply to the batteries in the heating section of the unit see page 25 3 Assemble the unit on a resistant base preferably concrete To prevent vibrations the concrete base should not come into contact with the building s foundations 4 It is advisable to assemble the unit on shock absorbers antivibration mountings 5 During heating mode heating pump coolers ice forms in the coils The defrost process is activated during heating mode in heat pump units when the outside temperature is low and the outdoor coil could become frozen To melt the ice the defrost function will switch the unit to cooling operation for a short period When the evaporation temperature starts to drop a defrost period sets in to provide sufficient heat transfer During defrosting the ice m
8. PIPING DRAWINGS HEAT PUMP UNITS EAR 1003 TO 1403 Scroll compressor Filter drier Fan motor i Eu i Water inlet FM PESE Check valve Liquid receiver Restrictor Check valve Coils Water outlet Plate exchanger Scroll compressor Expansion valve Liquid receiver Restrictor Check valve X Pressure gauge Low pressure transducer Circuit 1 Circuit 2 Flow switch High pressure transducer Circuit 1 Circuit 2 Water inlet probe Liquid temperature probe Circuit 1 Circuit 2 Water outlet probe Suction temperature probe Circuit 1 Circuit 2 ee Outdoor temperature sensor High pressure switch circuit 1 circuit 2 HEAT PUMP UNITS EAR 1604 TO 2104 F RC Filter drier Fan motor LT1 S Expansion ilter drier valve O Fi Water 7 Check valve inlet Liquid receiver Restrictor Check valve EZ Water Coils outlet HHHH Plate TIT TID exchanger 00900 N C LX Expansion Filter drier valve En Cr KON va v Liquid receiver Restrictor Check valve 20 LENNOX 1 GENERAL CHARACTERISTICS COMPONENT POSITION 1 8 DIMENSIONS STANDARD VERSION UNIT WATER EXCHANGER COIL ELECTRICAL BOX 980 FLOW SWITCH F 1 L nu 1195 WATER FILTER NN COMPRESSOR COMPONENT POSITION EAC EAR 0251 0291 0351 0431 HYDRAULIC VERSION UNIT COIL WATER PUMP
9. VOLTAGE LIMITS 0251 1804 3 400V 50Hz 3 342 462V 50Hz 29 LENNOX 3 COMMISSIONING AND OPERATION 3 1 STEPS TO FOLLOW FOR COMMISSIONING THE UNITS Before commissioning the unit check the following 1 Check that the voltage is the same as the rated voltage on the specification plate 2 Check that the supply to the control system is connected in accordance with the electrical diagram if incorporates 3 Make sure that the water connections are correct and have not been altered as this can result in incorrect operation the flow divider will not operate if the connections are mixe 4 Check that the main switch is ON 5 The compressor must not be started until the crankcase heater has been running for at least 8 hours 6 Check the water pump s direction of rotation 7 Check for air in the water system Purge if necessary 8 Check that the fan can rotate freely The compressor has an electric heating element to assure a separation between the Refrigerant and the oil in the housing This heater is activated when the compressor is off and stops working when the compressor is on About eight hours before start up or after a long shutdown period voltage should be supplied to the unit and main switch activated in order to this heater will be activated Check that the compressor starts after several minutes since water pump is working Adjust the control to select the operating mode A REM
10. 10 2 10 2 10 2 10 2 20 8 20 8 S 200 Air flow rate m h 40000 40000 40000 40000 40000 44000 60000 60000 gt Power input kW 10 3 10 3 10 9 10 3 10 3 10 3 21 1 21 1 3 250 Air flow rate m h 36000 36000 36000 36000 36000 38000 48000 48000 Power input kW 10 4 10 4 10 4 10 4 10 4 10 4 21 4 21 4 1 GENERAL CHARACTERISTICS 1 2 ELECTRICAL DATA STANDARD FAN UNITS LENNOX MODELS 0251SM 0291SM 0351SM 0431SM 0472SM 0552SM 0672SM 0812SM High 10 6 12 5 16 3 17 6 21 2 25 0 32 5 35 2 Maximum power kW Low 10 5 12 3 16 1 17 4 21 0 24 6 32 1 34 9 High 22 3 23 8 27 4 32 8 44 5 47 5 54 7 65 5 Maximum Current A 3 400V Low 21 7 23 1 26 7 32 1 43 5 46 2 53 4 64 2 High 112 3 119 8 159 8 175 8 134 5 143 5 187 1 208 5 LRC A 3 400V Low 111 7 119 1 159 1 175 1 133 5 142 2 185 8 207 2 High 95 6 102 1 136 1 149 7 117 9 125 8 163 4 182 4 Starting current A 3 400V Low 95 1 101 4 135 4 149 0 116 8 124 5 162 1 181 1 MODELS 1003SM 1103SM 1203SM 1303SM 1403SM 1604SM 1804SM 2104SM High 42 6 51 1 56 7 02 3 65 71 6 83 0 96 2 Maximum power kW Low 42 0 50 0 55 6 60 8 63 5 70 1 81 9 93 6 High 79 8 88 6 97 6 107 7 118 5 132 0 151 6 175 Maximum Current 3 400V Low 78 0 86 0 95 0 104 3 115 1 128 6 148 0 168 2 High 222 8 231 6 282 6 331 2 342 0 275 0 336 6 398 5 LRC 3 400V Low 221 0 229 0 280 0 327 8 338 6 271 6
11. 2 52 400 Air flow rate m h 14933 14933 14609 14293 14933 14933 14933414933 14609414609 14293 14293 Power input kW 2 49 2 49 2 52 2 53 2 49 2 49 2 49 2 49 2 52 2 52 2 53 2 53 2 426 Air flow rate m h 14102 14102 13813 13510 14102414102 14102414102 13813413813 13510413510 a Power input kW 2 51 2 01 2 54 2 00 2 51 2 51 2 51 2 51 2 54 2 54 2 55 2 55 150 Air flow rate m h 13242 13242 13034 12716 13242413242 13242413242 13034 13034 12716 12716 d Power input kW 2 54 2 54 2 56 2 56 2 54 2 54 2 54 2 54 2 56 2 56 2 56 2 56 S 200 Air flow rate m h 11166 11166 11276 10842 11166711166 11166711166 11276 11276 10842410842 Power input kW 2 58 2 58 2 59 2 59 2 58 2 58 2 58 2 58 2 59 2 59 2 59 2 59 250 Air flow rate m h 9983 9983 10329 9793 998349983 998349983 10329 10329 979349793 Power input kW 2 60 2 60 2 61 2 61 2 60 2 60 2 60 2 60 2 51 2 61 2 61 2 61 MODELS 1003FM 1103FM 1203FM 1303FM 1403FM 1604FM 1804FM 2104FM Fan type PRU Fan number Nr 76 Air flow rate m h 49920 49920 49920 49920 49920 50250 72500 72500 Power input kW 10 1 10 1 10 1 10 1 10 1 10 1 20 4 20 4 amp 100 Air flow rate m h 48000 48000 48000 48000 48000 50000 72000 72000 Power input kW 10 1 10 1 10 1 10 1 10 1 10 1 20 5 20 5 2 126 Air flow rate m h 45920 45920 45920 45920 45920 49210 70420 70420 Power input kW 10 2 10 2 10 2 10 2 10 2 10 2 20 7 20 7 150 Air flow rate m h 44000 44000 44000 44000 44000 48000 68000 68000 ki Power input kW 10 2 10 2
12. Safety valve 5 Manometer 7 Water pump HY version 8 Air purge valve 9 Plate exchanger 10 Flow switch 11 Drain valve 12 Pressure gauge 13 Inlet Oulet water sensor 1 8 9 10 6 Expansion vessel 14 Water pressure transducer Variable water flow option HYDRONIC VERSION HN Models 0251SM to 0812SM Inside terminal unit j e J Hydraulic connections 10 wire by X the installer mem 11 connection Models 1003 to 2104 To wire by the installer Inside terminal unit me I I 4 Hydraulic connections C BT u pz Customer connection HYDRAULIC AND STANDARD VERSIONS HY amp STD E 9 13 X Models 0251 to 2104 To wire by the installer 2 6 12 148 5 14 T MEN TT bx 2 4 1 s 12 10 X I F na Customer connection Inside terminal unit Alc tions Hydraulic connec Q LENNOX 1 GENERAL CHARACTERISTICS 1 4 OPERATION LIMITS STANDARD FAN UNITS WITHOUT AIR DUCTS COOLING MODE MINIMUM MINIMUM MAXIMUM NOTE With outdoor temperatures below 5 C add glycol HEATING MODE MODELS EAR 0251SM to 2104SM MINIMUM MAXIMUM Hot water outlet temperature oper
13. since these have internal components that are very heat sensitive such as plastic teflon etc If a compressor must be replaced disconnect it electrically and un braze the suction and discharge lines Remove the securing screws and replace the old compressor with the new one Check that the new compressor has the correct oil charge screw it to the base and connect the lines and electrical connections Carry out the vacuum above and below through the Schrader valves of the outdoor unit until 750 mm Hg is reached Once this level of vacuum has been reached keep the pump in operation for at least one hour DO NOT USE THE COMPRESSOR AS A VACUUM PUMP If the compressor runs in vacuum it will fail Charge the unit with refrigerant according to the data on the Rating Plate for the unit and check that there are no leaks A PRECAUTIONS TO BE TAKEN IN THE USE OF R 410A REFRIGERANT The following precautions characteristic of this gas should be taken The Vacuum Pump must have a Check Valve or Solenoid Valve Pressure Gauges and Hoses for the exclusive use with R 410A Refrigerant should be used The charge should be carried out in the Liquid Phase Always use scales to weight in charge Use the Leak Detector exclusive for R 410AC Refrigerant Do not use mineral oil only synthetic oil to ream expand or make connections Keep pipes capped before using them and be very thorough about any possible moisture and dirt dust filings bur
14. 333 0 391 7 High 196 7 205 5 248 8 290 4 301 2 248 9 302 9 357 7 Starting current A 3 400V Low 194 9 202 9 246 3 287 0 297 8 245 5 299 3 350 9 Maximum power calculated for compressor operation at 12 5 65 C Starting current 2 cycles later from compressor starts 4 mseg HIGH STATIC FAN PRESSURE UNITS LOW SPEED MODELS 0251FM 0291FM 0351FM 0431FM 0472FM 0552FM 0672FM 0812FM Maximum power kW 3 400V 11 6 13 3 17 2 18 5 23 3 26 7 34 3 37 0 Maximum Current A 3 400V 23 7 24 7 28 3 33 7 47 4 49 4 56 6 67 4 LRC A 3 400V 113 7 120 7 160 7 176 7 137 4 145 4 189 0 210 4 Starting current A 3 400V 97 1 103 0 137 0 150 6 120 8 127 7 165 3 184 3 MODELS 1003FM 1103FM 1203FM 1303FM 1403FM 1604FM 1804FM 2104FM Maximum power kW 3 400V 46 8 54 3 59 9 64 6 67 3 13 9 91 5 100 9 Maximum Current A 3 400V 85 0 92 2 101 2 107 7 120 5 134 0 162 0 179 0 LRC A 3 400V 228 0 299 2 286 2 333 2 344 0 277 0 347 0 402 5 Starting current A 3 400V 201 9 209 1 2525 292 4 303 2 250 9 313 9 361 7 HIGH SPEED MODELS 0251FM 0291FM 0351FM 0431FM 0472FM 0552FM 0672FM 0812FM Maximum power kW 3 400V 12 7 14 4 18 2 19 5 24 8 28 2 35 7 38 3 Maximum Current A 3 400V 25 8 26 8 30 4 35 8 51 6 53 6 60 8 71 6 LRC A 3 400V 115 8 122 8 162 8 178 8 141 6 149 6 193 2 214 6 Starting curren
15. CE EPREVENTIVE MAINTENANCE PREVENTS COSTLY REPAIRS We recommend regular and thorough servicing of the LENNOX unit It is therefore advisable to ask your dealer about maintenance contracts Check maintenance of the following points depending on the operating conditions maintenance every 6 months may be necessary Local legislation always takes precedence GENERAL STATE OF THE CASING Casing paint deterioration due to bumps rust spots leveling and supporting state of the antivibration mounts if installed screwed panels etc ELECTRICAL CONNECTIONS State of cables tightness of screws grounding 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 chips or clogs retained by the air flow etc COMPRESSOR Inspect the oil level Inspect the state of the compressor mountings FANS Check that fans turn freely and in the correct direction without excessive noises CONTROL Check Set Points and normal operation WATER If the installation contains anti freeze regularly check the state of the anti freeze as well as the cleanliness of the water WATER FILTER Clean the water inlet filter if necessary WATER PUMP When the installation is going to work with pe
16. EAC EAR 1604FM DISPLAY CONTROL WME S AS 227227771 WW b 1975 ELECTRICAL BOX POWER SUPPLY CABLE ENTRY DISPLAY CONTROL MAIN SWITCH ELECTRICAL BOX POWER SUPPLY CABLE ENTRY LENNOX COMPONENT POSITION STANDARD VERSION UNIT WATER FILTER WATER EXCHANGER t FLOW SWITCH i A VIEW lal X 4 0 x o o AL SIN v M Sue JE 3 2250 856 ELECTRICAL BOX COMPRESSORS WATER INLET DN80 COMPONENT POSITION WATER OUTLET HYDRAULIC VERSION UNIT DN80 WATER COILS WATER FILTER EXCHANGER FLOW SWITCH sean O co y VIEW WATER PUMP ELECTRICAL BOX COMPRESSORS e COMPONENT POSITION M HYDRONIC VERSION UNIT WATER WATER FE e EXCHANGER FILTER SWITCH eis WATER PUMP Ml i WATER TANK 0 Q O
17. EMBER THAT THE COMPRESSOR IS A SCROLL TYPE COMPRESSOR Before starting the unit the compressor should be checked that rotates in the correct direction through a three phase protection Scroll type compressors only compress in one direction of the rotation Therefore it is essential that the phase connection for scroll type three phase compressors be carried out correctly the correct direction of rotation can be checked when the pressure on the suction side decreases and the pressure on the discharge side increases when the compressor is activated If the connection is wrong the rotation will be reversed causing a high noise level and a reduction in the amount of current consumed If this occurs the compressor s internal protection system will operate in shutting down the unit The solution is to disconnect switch the wires between two of the phases and connect the three again ASTP Protection is included with the unit compressors A Unit with specific compressor protection ASTP Protection La unidad incorpora compresor con protecci n espec fica This device protects the compressor against high discharge temperatures Ca Scroll When the temperature reaches critical values ASTP protection causes Scrolls separated Compressor may Advanced Scroll Temperature Protection stop pumping with motor running Compressor may stop pumping with motor running Turn off and wait until cool May need more than 1 hour to reset El
18. Fan type Axial Direct coupling 3 400V Fan number Nr 1 2 High 9950 12900 12500 12250 9950 9950 12900 12900 12500 12500 12250 12250 i m Air HOW rate 8250 10500 10250 10000 8250 8250 10500 10500 10250 10250 10000 10000 High 0 49 0 69 0 69 0 7 0 49 0 49 0 69 0 69 0 69 0 69 0 7 0 7 Power input kW Low 0 37 0 51 0 52 0 53 0 37 0 37 0 51 0 51 0 52 0 52 0 53 0 53 High 930 927 925 920 930 930 927 927 925 925 920 920 Fan speed rpm Low 786 773 768 762 786 786 7131773 768 768 762 762 MODELS 1003SM 1103SM 1203SM 1303SM 1403SM 1604SM 1804SM 2104SM Fan type Axial Direct coupling 3 400V Fan number Nr 2 Air fl High 17000 17000 22500 17000 22500 17000 22500 22500 22500 22000 23000 23000 26000 26000 36000 36000 ir flow rate m Low 13500 13500 17500 13500 17500 13500 17500 17500 17500 17200 18500 18500 19000 19000 27200 27200 High 1 05 1 05 21 05 2 1 05 2 2 2 2 2 2 2 1 2 1 4 4 Power input kW Low 0 77 0 77 1 25 0 77 1 25 0 77 1 25 1 25 1 25 1 25 1 25 1 25 1 54 1 54 2 5 2 5 F d High 683 683 910 683 910 683 910 910 9910 908 920 920 675 675 675 675 925 925 925 925 an spee rpm 2 Low 545 545 730 545 730 545 730 730 730 750 740 740 518 518 518 518 700 700 700 700 LENNOX 1 GENERAL CHARACTERISTICS 1 1 TECHNICAL DATA HIGH STATIC FAN PRESSURE UNITS
19. LENNOX Installation operating and maintenance ECOLEAN 29 200 kW MIL113E 0311 02 2012 Original manual translation TABLE OF CONTENTS PREFACE DATA PAGE FOR UNIT COMMISSIONING 1 GENERAL CHARACTERISTICS 1 1 Technical data 12 Electrical data 13 Component 14 Operation limits 1 5 Pressure drop in the water system 16 Hydraulic system data 17 Piping drawings 18 Dimensions INSTALLATION 21 Site and shipping guidance 22 Unit lifting 23 Antivibration mounting 24 Installation clearances 25 Unit installation 26 Electrical connections COMMISSIONING AND OPERATION 3 1 Steps to follow for commissioning the units 32 Checking the water flow rate 33 Water analysis MAINTENANCE 41 Preventive maintenance 42 Corrective maintenance 43 Failure diagnosis LENNOX Page 2 4 5 7 10 11 12 13 14 16 17 20 21 23 24 24 25 26 27 26 31 32 Units are certificated by EUROVENT Lennox have been providing environmental solutions since 1895 our range of EcoLean reversible chillers continues to meet the standards that have made LENNOX 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 Information on local contacts at www lennoxeurope com All the technical and technological information contained in this manual including any drawing and technical descriptions provided
20. M Min water rate mh 0 N HEAT PUMP Hydraulic connections 1 1 2 G 2 G Min waterrate mh m 53 ew se ws O 3 me xs s sm s _ Refrigerant kg 5 8 6 5 9 5 12 5 13 5 16 19 3 EAR MODELS 1003SM 1103SM 1303SM 1403SM 1604SM 1804SM 2104SM Hydraulic connections DN80 oe ee ee ee ee ee ee ee Cooling capacity Outside temperature 35 C Inlet outlet water temperature 12 7 C Heating capacity Outside temperature 7 C DB 6 C WB Inlet water outlet temperature 40 45 C LENNOX 1 GENERAL CHARACTERISTICS 1 1 TECHNICAL DATA HYDRAULIC VERSION HYDRONIC VERSION MODELS 0251SM 0291SM 0351SM 0431SM 0472SM 0552SM 0672SM 0812SM Expansion vessel Capacity 12 18 Set pressure Security valves bar 3 3 Expansion vessel bar 4 4 Buffer tank Capacity I 75 100 MODELS 1003SM 1103SM 1203SM 1303SM 1403SM 1604SM 1804SM 2104SM Pump type Horizontal multistage centrifugal pump Expansion vessel Capacity 35 50 Set pressure Security valves bar 3 3 Expansion vessel bar 4 4 Buffer tank Capacity I 240 350 Only in units with Hydronic module STANDARD FAN UNITS MODELS 0251SM 02915 0351SM_ 04315 04728 05525 06725 0812SM
21. TALLATION ADVISE LENNOX The units include a water filter at the inlet to the unit trapping any particle with a diameter greater than 1mm With the option twin pump it can be supplied loose PRESSURE DROP WATER FILTER 140 00 120 00 100 00 80 00 60 00 40 00 Pressure drop kPa 0 00 2 00 4 00 6 00 8 00 10 00 12 00 14 00 16 00 Water flow m h PRESSURE DROP WITHOUT FILTER 80 00 18 00 70 00 60 00 50 00 40 00 Pressure drop kPa 30 00 0 00 2 00 400 6 00 8 00 10 00 12 00 14 00 16 00 Water flow m h 18 00 LENNOX 1 GENERAL CHARACTERISTICS 1 5 PRESSURE DROP IN THE WATER SYSTEM INSTALLATION ADVISE A The units include a water filter at the inlet to the unit trapping any particle with a diameter greater than 1mm With the option twin pump it can be supplied loose PRESSURE DROP WATER FILTER
22. WATER EXCHANGER 7 gt EAC EAR 1003SM 1103SM 1203SM 1303SM 1403SM le FLOW SWITCH I DISPLAY CONTROL ELECTRICAL BOX COMPRESSORS mue 2155 WATER OUTLET K COMPONENT POSITION NU POWER SUPPLY HYDRAULIC VERSION UNIT 2408 207 s CABLE ENTRY WATER EXCHANGER COILS I o e o UN I 1 E WATER PUMP IL dd 5217268 EXPANSION E S Pu VESSEL eens i EAC EAR 1003FM 1103FM 1203FM 1303FM 1403FM WATER FILTER Q FLOW SWITCH COMPRESSORS N 2800 ELECTRICAL BOX DISPLAY CONTROL MAIN SWITCH ELECTRICAL BOX 1875 WATER INLET WATER OUTLET COMPONENT POSITION HYDRONIC VERSION UNIT POWER SUPPLY AELE WATER EXCHANGER P WATER TANK r4 p o j x I DOW x t Ieo NM WATER PUMP N N 7 rh 7 4 gt 7 WATER FILTER EXPANSION b ae a COMPRESSORS ELECTRICAL BOX 295 1 GENERAL CHARACTERISTICS 1 8 DIMENSIONS EAC EAR 1604SM DISPLAY CONTROL MAIN SWITCH ELECTRICAL BOX POWER SUPPLY CABLE ENTRY DISPLAY CONTROL MAIN SWITCH 2250 ELECTRICAL BOX POWER SUPPLY CABLE ENTRY
23. ation Hot water inlet temperature start Difference hot water inlet outlet Air inlet temperature OUTSIDE THESE VALUES PLEASE CONSULT US COOLING ONLY UNITS EAC 0251 to 0351 0471 to 0812 003 4604 1 With option 1103 1303 1403 1804 2104 Winter operation 15 C Air inlet temperature 10 15 A 149 HEAT PUMP UNITS EAR Water outlet temperature COOLING MODE HEATING MODE 6 OL lt one aer 1003 1604 1103 1303 1403 1804 2104 Air inlet temperature 250 409 50 Water outlet temperature Water outlet temperature NOTE With outdoor temperatures below 5 C add glycol 10 LENNOX 1 GENERAL CHARACTERISTICS 1 4 OPERATION LIMITS The maximum sound level and the fan strategies can be adjusted with limaticTM60 control according to the schedule mode The different modes can be selected See below operation mode for all of them HIGH PERFORMANCE High speed Low speed Stopped High speed fj AA Low speed Stopped Air Outside Temperature QUIET High speed 4 1 Low speed 1 cool wove Stopped 18 0 20 0 32 0 38 0 Pressure HP High speed lt lt lt lt lt 4 9 45
24. 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 The specifications and technical characteristics in this booklet are given for information purposes The manufacturer reserves the right to modify them without prior notice or obligation to modify in a similar manner the equipments previously supplied 1 PREFACE Please read this operating manual prior to commissioning the EcoLean chiller Familiarize yourself with the operation and control of the EcoLean chiller and closely follow the instructions We would like to stress the importance of training with respect to the correct handling of the chiller Please consult Lennox on the options available in this field It is important that this manual be stored in a permanent location in the vicinity of the EcoLean chiller For the sake of clarity important items in this manual are shown as follows Text Important general instructions A Danger of damage to the chiller LENNOX This manual contains important instructions regarding the commissioning of the EcoLean chiller It also includes important instructions to prevent personal injury and damage to the machine during operation Furthermore in order to promote fault free operation of the chiller maintenance information has been included Please do not he
25. compresor puede estar sin comprimir con el motor arrancado Parar y esperar a que se enfrie Puede ser necesario mas de 1 hora para rearmar Occasionally when compressor stops and starts there is a metallic noise because of spirals of the compressor This is normal Check compressor oil level sight glass included on the sides of the compressor the level should be between 1 4 and 3 4 in the sight glass while during operation the level should be between 3 4 and full Check that operating pressure values are normal Measure electrical consumption for the unit Check the electrical consumption of the compressor and the fans with what is specified in the physical data sheets In the case of a Heat Pump unit make a cycle change checking that the 4 way valve makes the change correctly Check the pressure values in the new cycle 30 LENNOX 3 COMMISSIONING AND OPERATION 3 2 CHECKING THE WATER FLOW RATE It is very important that the unit operates at the correct water flow rate It is dangerous to leave the unit operating at a low flow rate as this could result in serious damage to components as well as the water exchanger If the unit operates at too high a flow rate this will also hinder optimum performance The best way of determining the operating flow rate is to measure the temperature difference between the inlet and water outlet Checking the water flow rate it is vital to measure the thermal peak Standard
26. elts from the batteries As a result the ice contains water which must be removed WARNING A If the unit is exposed for long periods to installation conditions below 0 C the water from defrost can freeze in the base of the unit This prevents drainage Ice build up can occur preventing correct operation For these conditions contact customer service team 6 The heat exchanger water flow during cooling must be the same as during heating 7 The unit must incorporate a water filter in the unit inlet A It is necesary that unit incorporate a mesh filter The step of the mesh should not be superior to 1 mm 8 Use water treating if necessary 9 The water inlet to the circuit has to be filled from lowest point with purges opened to prevent air being trapped 10 Location inside Air outlet Air outlet duct 2 Unit Air inlet N A Auxiliary drip tray heat pump unit Air inlet duct 1 In units 1804SM if only one duct is going to be installed a regulated pressure damper should be installed for each fan to avoid air by pass through the fan if it has stopped For location inside keep in mind following advice In heat pump units during defrost cycle the units produce a great amount of water melting the ice off coils If you wish to drain the water adequate dra
27. epending on the minimum ambient temperature or the water outlet temperature When the percentage of glycol increases the standard pump flow decreases the pressure drop increases and the cooling and thermal capacities drop As a result the minimum flow must be multiplied by the coefficient shown in the table MINIMUM AMBIENT TEMPERATURE OR WATER OUTLET TEMPERATURE ETHYLENE GLYCOL PRESSURE DROP WATER FLOW POWER INPUT CAPACITIES COOL HEAT FROM 5 TO 0 10 1 05 1 02 0 997 0 995 0 994 FROM 0 5 C 20 1 10 1 05 0 996 0 985 0 993 FROM 5 C TO 10 C 30 1 19 1 08 0 995 0 975 0 99 FROM 10 C TO 15 C 1 35 1 18 1 10 0 994 0 965 0 987 1 With low water temperature 10 C option use these quantities of glycol Also is advisable to use the option evaporator anti freeze protection Failure to follow this advice may result in damage to the installation Example 10 glycol in EAC 0251SMHN Minimum flow 3 16 m h x 1 02 Pressure drop 175 x 1 05 System capacity x 0 995 Power input x 0 997 Optionally an immersion heater can be supplied complete with safety thermostat and pressure switch fitted in the buffer tank of the cooling only chiller A similar option is available for heat pump versions with the added advantage of a supplementary heating source Hydronic version un
28. he crank case heater is not working Replace the crank case heater and check compressor is very low oil level High noise level of Phase connection for compressor power Switch the wires between two of the compressor and high and low supply incorrectly phases of compressor power supply pressures are abnormal ASTP protection is working Check the causes of high discharge temperature Compressor may stop pumping with water running 34 LENNOX E pn Direct Sales Offices BELGIUM AND LUXEMBOURG RUSSIA 32 3 633 3045 B 7 495 626 56 53 D info be lennoxeurope com 24 info ru lennoxeurope com FRANCE SLOVAKIA 33 1 64 76 23 23 421 2 58 31 83 12 D lt info fr lennoxeurope com gt lt info sk lennoxeurope com GERMANY SPAIN 49 0 69 42 09 790 34 902 533 920 D lt info de lennoxeurope com info so lennoxeurope com NETHERLANDS UKRAINE R 31 332 471 800 380 44 461 87 79 DJ info nl lennoxeurope com gt lt info ua lennoxeurope com POLAND UNITED KINGDOM AND IRELAND 48 22 58 48 610 44 1604 669 100 D info pl lennoxeurope com info uk lennoxeurope com PORTUGAL 351 229 066 050 D lt info ot lennoxeurope com Distributors and Agents Algeria Austria Belarus Botswana Bulgaria Cyprus Czech Republic Denmark Estonia Finland Georgia Greece Hungary Israel Italy Kazakhstan Latvia Lebanon Lith
29. inage should be installed below the unit to collect and carry out the water where desired Air duct installation If air duct has been installed the operating limits get reduced see operation limits section in this manual 27 2 INSTALLATION 2 UNIT INSTALLATION LENNOX 11 For cooling or heat pump units the hydraulic system must contain the following components pump buffer tank expansion device safety valve water filter flow switch 12 To obtain the total water system pressure drop add the unit pressure drop water pipework fittings and terminal unit pressure drops the water pump can be selected to provide the correct water flow across the heat exchanger 13 A water balancing valve is advised to ensure correct water flow IMPORTANT A If the outside temperature in the area where the EcoLeanTM unit is to be installed is likely to drop below 5 C it is very important to take the following precautions to avoid that water in the circuit freezing that may produce damage to the components f unit has to work under low outside temperatures Do not disconnect power supply in order that water pump starts when detects water temperatures below 5 C only Hydraulic and Hydronic models If the outside temperature where the system is to be installed or the water outlet temperature is likely to drop below 5 C it is very important to use glycol anti freeze The amount of anti freeze required will vary d
30. isassembly or unbrazing of the refrigerating parts takes place There is a residual risk of pressure build up by degassing the oil or by heating the exchangers after the circuit has been dra ined Zero pressure shall be maintained by venting the dra in connection to the atmosphere on the low pressure side The brazing shall be carried out by a qualified brazier The brazing shall comply according to code ASME section IX fo llowing the procedures specific Before starting up Test the circuit to the maximum working pressure see the nameplate Verifify the operation of the high pressure swich Check the piping and the components of the refrigerant circuit Replacing components In order to maintain CE marking compliance replacement of components shall be carried out using spare parts or using parts approved by Lennox Only the coolant shown on the manufacturers nameplate shall be used to the exclusion of all other products mix of coolants hydrocarbons etc CAUTION In the event of fire refrigerating circuits can cause an explosion and spray coolant gas and oil LENNOX DATA PAGE FOR UNIT COMMISSIONING Unit Serial no Control panel identification code Installation address Installer address Date of commissioning Checks Supply voltage Rated voltage of the unit YES Unit on rubber antivibration mounts General power supply connection Control panel connection op
31. its 28 2 INSTALLATION 2 8 ELECTRICAL CONNECTIONS LENNOX A BEFORE MAKING ANY ELECTRICAL CONNECTIONS BE SURE THAT ALL CIRCUIT BREAKERS ARE OPEN AND SUPPLY IS OFF INORDER TO CARRY OUT THE ELECTRICAL CONNECTIONS FOLLOW THE ELECTRICAL DIAGRAM SUPPLIED WITH THE UNIT NUMBER OF WIRES X SECTION AEH Auxiliary Electric Heater POWER SUPPLY UNIT MODEL WITHOUT AEH WITH AEH 0251 4x6 mm 4 x 10 mm 0291 4x6 mm 4 x 10 mm THREE PHASE UNITS 400V 0351 4 x 10 mm 4 x 10 mm 0431 4 x 10 mm 4 x 16 mm PE L1 L2 L3 0472 4 x 16 mm 3 x 25 1x16 mm 0552 4 x 16 mm 3 x 25 1x16 mm 0672 x 25 1x16 mm 3 x 25 1x16 mm 0812 x 25 1x16 mm 3 x 25 1x16 mm 1003 3 x 25 1x16 mm 3 x 50 1 25 mm 1103 x 35 1x16 mm 3 x 50 1x25 1203 x 35 1x16 mm 3 x 70 1x35 mm 3 400V 50Hz PE 1303 3 x 50 1x25 mm 3 x 70 1 35 mm 1403 x 50 1x25 mm 3 x 70 1x35 mm 1604 3 x 70 1x35 mm 3 x 95 1x50 mm 1804 3 x 70 1x35 mme 3 x 95 1x50 mm 2104 x 95 1x50 mme 3 x 120 1x70 mm The cable sections have been calculated based on a distance of 50m and variation of 10V Do not start the unit if the drop is greater than this The wiring and circuit breakers to be mounted in the installation must comply with the Regulations in force Ground wires must be properly connected and have a greater length than the phase wires EAC EAR 0251 2104 VOLTAGE OPERATION LIMITS MODELS
32. n without variable water flow the flow rate must be higer than the minimum flow given in the table below In case of installation with variable water flow the pump speed the pump speed is controlled through the CLIMATIC control The hydraulic system must be properly designed and balanced to ensure a right water flow Water flow m3 h Minimum Minimum Models Capacity kW With variable water Without variable water Nominal Maximum flow option flow option 155 5 81 6 88 7 36 9 46 64 es 10 na WARNING Because of cooling motor issues it is not possible water pump working below 30Hz MAXIMUM WATER FLOW See maximum water flow see table above Always assure the minimum AT to the exchanger of 3 C MAXIMUM WATER VOLUME IN THE INSTALLATION The units with Hydronic or Hydraulic module include a expansion vessel The table below details the maximum water volume in the system 1604 MODELS 1003 1403 2104 SOLUTION Water volume in liters WATER 1600 2250 WATER 10 GYT 1225 1725 WATER 20 GYT 1075 1500 WATER 30 GYT 925 1300 WATER 35 GYT 700 1000 If the water volume in the system is greater than that detailed in the table it will be necessary to add additional expansion vessel s The system design must allow for water expansion and contraction 16 LENNOX 1 GENERAL CHARACTERISTICS 1 7 PIPING DRAWINGS COOLING ONLY UNITS EAC 0251SM TO 0431SM Sc
33. nce between input output water temperature of heat plates exchanger Fix delta T 2 Constant value for the difference between input output water pressure of the pump Fix delta P For these control settings please consult the user manual of Climatic 60 Pump evaporator flow control 3 The calculation for the Fix delta T must be around 5K For the calculation of Fix delta P with 2 pipes please use the following process For a 2 pipes installation with unit EAC 1804 SMA a With all valves and terminal units opened Reference A Nominal airflow 30 m3 h Pressure drop unit filter 68 kPa Reference 1 Pressure drop of the installation to determine for each installation 132 kPa Available static pressure 68 132 7 200 kPa Control setting for the unit 2 bar 200 kPa and 94 48 Hz b The same installation with 3096 of the valves and terminal units opened The installation is self adjusted to the reference B of the graph keeping constant initial setting value of 2 bar 200kPa according to the following explanation Nominal airflow 19 5 m3 h Pressure drop unit filter 24 kPa Reference 2 Pressure drop of the installation to determine for each installation 176 kPa Available static pressure 24 176 200 kPa Water pump speed is decreased 44 Hz and therefore power consumption is also reduced 15 LENNOX 1 GENERAL CHARACTERISTICS 1 6 HYDRAULIC SYSTEM DATA MINIMUM WATER FLOW In case of installatio
34. nits or the fan coils until the water temperature reaches the set temperature or use an automatic control device which cancels the air conditioning unit operation if the installation is not properly set When everything is operating normally take a reading of all the data and fill out the Commissioning Sheet 31 LENNOX 3 COMMISSIONING AND OPERATION 3 3 WATER ANALYSIS The water must be analysed the water circuit installed must include all items necessary for treatment of the water filters additives intermediate exchangers bleed valves vents isolating valves etc depending on the results of the water analysis We do not advise operation of the units with open loops which can cause problems with oxygenation or operation with untreated ground water Use of untreated or improperly treated water can cause deposits of scale algae and sludge or cause corrosion and erosion It is advisable to call in a qualified water treatment specialist to determine what kind of treatment will be necessary The manufacturer cannot accept liability for damage caused by the use of untreated or improperly treated water salt water or brine Here are our non exhaustive recommendations given as an indication e No NH4 ammonium ions the water they are very detrimental for copper lt 10mg e Cl Chloride ions are detrimental for copper with a risk of perforations by corrosion by puncture lt 10 mg l e _ SO42 sulphate ions can cause
35. ork on the unit must be carried out by a qualified and authorised employee Non compliance with the following instructions may result in in jury or serious accidents Work on the unit The unit shall be isolated from the electrical supply by discon nection and locking using the main isolating switch Workers shall wear the appropriate personal protective equipment hel met gloves glasses etc Electrical system Electrical connections can become loose during transport Please check them before starting up the unit Compressors with specific rotation direction Check the correct rotation direc tion of the fan before closing the compressor circuit breakers If the direction is incorrect the phases must be reversed at the head of the main switch Work on electric components shall be performed with the power off see below by employees having valid electrical qualification and authorisation Refrigerating circuit s After more than 12 hours of power cut the cranckcase heater compressor should be powered for 5 hours before any return to service Non compliance with this instruction can cause dete rioration of the compressors Monitoring of the pressures draining and filling of the system under pressure shall be carried out using connections provided for this purpose and suitable equipment To prevent the risk of explosion due to spraying of coolant and oil the relevant circuit shall be drained and at zero pres sure before any d
36. perforating corrosion 30 mg l e fluoride ions 0 1 mg l e Fe2 and Fe3 ions with dissolved oxygen Dissolved iron lt 5 mg l with dissolved oxygen lt 5 mg l Over those values it means a corrosion of steel which may generate a corrosion of copper parts under deposite of Fe this is mainly the case with shell and tube heat exchangers e Dissolved silicon silicon is an acid element of water and can also lead to corrosion risks Content lt 1mg I e Water hardness TH gt 2 8 K Values between 10 and 25 can be recommended This will facilitate scale deposit that can limit corrosion of copper TH values that are too high can cause piping blockage over time e TAC 100 e Dissolved oxygen Any sudden change in water oxygenation conditions must be avoided It is as detrimental to deoxygenate the water by mixing it with inert gas as it is to over oxygenate it by mixing it with pure oxygen The disturbance of the oxygenation conditions encourages destabilisation of copper hydroxides and enlargement of particles Specific resistance electric conductivity the higher the specific resistance the slower the corrosion tendency Values above 3000 Ohm cm are desirable A neutral environment favours maximum specific resistance values For electric conductivity values in the order of 200 6000 S cm can be recommended pH pH neutral at 20 C 7 lt pH lt 8 32 LENNOX 4 MAINTENANCE 4 1 PREVENTIVE MAINTENAN
37. rcentages of glycol up to 20 and water temperatures below 5 C even do we use a specific closing for the water pump it is advisable to clean the water pump s closing every year and a half in order to avoid leaks by crystallization PLATE EXCHANGER Prove the general isolation state and tightness of the water connections CHECK FOR REFRIGERANT LEAKAGE AND WATER LEAKAGE 4 2 CORRECTIVE MAINTENANCE IMPORTANT MAKE SURE THAT THE UNIT IS COMPLETELY DISCONNECTED FROM THE POWER SUPPLY WHEN CARRYING OUT ANY TYPE OF WORK ON THE MACHINE If some component in the cooling circuit must be replaced follow these recommendations Always use original replacement parts Regulation prohibits the release on the refrigerant into the atmosphere f cuts must be made in the pipe work use pipe cutters Do not use saws or any other tools that produce filings All brazing must be carried out in a nitrogen atmosphere to prevent corrosion from forming Use silver alloy brazing rod Take special care that the flame from the torch is aimed in the opposite direction from the component to be welded and is covered with a wet rag in order to avoid overheating Direction of the flame Wet rag Silver alloy welding rod Nitr gen gt lB Component to be welded 6 4 9 e 33 e LENNOX 4 MAINTENANCE 4 2 CORRECTIVE MAINTENANCE Take very special care if 4 way check valves are to be replaced
38. rcuit 2 Low pressure transducer circuit 1 circuit 2 Crank case heater 1 2 3 4 Low pressure switch circuit 1 circuit 1 COOLING ONLY UNITS EAC 1604 TO 2104 Coils ES ES Scroll compressor Fan motor I Filter drier Water inlet Een valve Scroll compressor Coil oils Water outlet Plate i HPA HPT2 HP2 X Gum exchanger X X LL ETLLLLLLD compressor Fan motor Filter drier E v S D Expansion valve 18 LENNOX 1 GENERAL CHARACTERISTICS 1 7 PIPING DRAWINGS HEAT PUMP UNITS EAR 0251SM TO 0431SM Water inlet gt Water compressor outlet P Fan motor Plate exchanger L O XK Expansion valve Filter drier asr aw Liquid Restrictor Check valve receiver X Pressure gauge High pressure switch Flow switch Crank case heater Liquid temperature probe Circuit 1 Suction temperature probe Circuit 1 Water outlet probe anti freeze protection a OT Low pressure transducer Circuit 1 High pressure transducer Circuit 1 Water inlet probe water inlet regulation Outdoor temperature sensor HEAT PUMP UNITS EAR 0472SM TO 0812SM Scroll compressor Water inlet Water outlet T Scroll compressor Plate exchanger Fan motor X gt Expansion valve Filter drier 33 E Liquid Restrictor Check valve receiver 19 LENNOX 1 GENERAL CHARACTERISTICS 1 7
39. roll compressor Water inlet Water outlet lt Fan motor Plate exchanger Expansion Filter drier valve X Pressure gauge Outdoor temperature sensor Flow switch Low pressure transducer Circuit 1 Water inlet probe water inlet regulation High pressure transducer Circuit 1 Water outlet probe anti freeze protection Suction temperature probe Circuit 1 High pressure switch Liquid temperature probe Circuit 1 Crank case heater COOLING ONLY UNITS EAC 0472SM TO 0812SM Scroll compressor Coils lt T EEEE ST1 X X X X LLLECECGELDD Water inletP E ERN TIT TID Water outlet lt er Eee LS Plate exchanger CY E D Expansion valve Filter drier 17 LENNOX 1 GENERAL CHARACTERISTICS 1 7 PIPING DRAWINGS COOLING ONLY UNITS EAC 1003 TO 1403 Coils HPI FFEEEEEED ST1 LPT1 L i X C24 HFHE Scroll Http compressor Fan motor Filter drier inlet FS Expansion valve Water ATT Coils r LLLLLLLLD Plate x X HPT2 420500558 exchanger X cu X X RET Scroll compressor mi Eli Gss ED Fan motor LT2 Filter drier X x 2 1 valve X Pressure gauge Outdoor temperature sensor Flow switch High pressure transducer Circuit 1 Circuit 2 Water inlet probe Liquid temperature probe Circuit 1 Circuit 2 Water outlet probe Suction temperature probe Circuit 1 Ci
40. rs etc Brazing should always be carried out in a nitrogen atmosphere Reamers should always be well sharpened The refrigerant bottle must contain at least 2 9o of the total amount 4 3 FAILURE DIAGNOSIS PROBLEM CAUSE ACTION Disconnected supply Check electrical supply Main switch set to STOP Connect main switch No water flow Start water pump and check air in system Fuses are broken Check voltage The unit does not start after Low electrical supply Check antifreeze thermostat the last start One of the safety devices has been Check high low pressure switch activated Change compressor Compressor fault Create demand for cooling Low water temperature The fan does not work Internal safety device open Let the motor cool although the compressor is Bad connection Connect properly operating Poor condensation control Check operation The compressor stops when Condenser coil blocked Maintain condenser coil the high pressure switch is Unit operating outside of limiting Check the ventilators cut off Abnormal operation of the fans Insufficient charge Check the charge The compressor stops when The water exchanger is blocked water Maintain the exchanger the low pressure switch is cut side Check that there is sufficient water flow off No water flow Change expansion valve Expansion valve blocked The oil level in the T
41. sitate to contact one of our employees should you require further information on specific chiller subjects Order related documentation will be forwarded under separate cover This documentation consists of CE declaration Operating manual for control system Installation Operating manual Wiring diagram Unit detail are given on unit nameplate FOR NETHERLAND the STEK logbook including the required certificates will be handed over by the installation technician or left with the machine following commissioning by Lennox The data published in this manual is based on the most recent information available It is supplied conditional to later modifications We reserve the right to modify the construction and or design of our EcoLean chillers at any time without prior notification or obligation to adapt previous supplies accordingly Any work on the Chiller should be carried out by trained and licensed competent technician The following risks are present on the unit risk of electrical shock risk of injury from rotating parts risk of injury from sharp edges and heavy weight risk of injury from high pressure gas risk of injury from high and low temperatures components 2 LENNOX The unit must be installed in accordance with local safety codes andregulations and can only be used in a well ventilated area Please readcarefully the manufacturer s instructions before starting this unit All w
42. t A 3 400V 99 2 105 1 139 1 152 7 125 0 131 9 169 5 188 5 MODELS 1003FM 1103FM 1203FM 1303FM 1403FM 1604FM 1804FM 2104FM Maximum power kW 3 400V 50 9 58 4 64 0 68 7 71 4 78 0 100 2 109 6 Maximum Current A 3 400V 92 2 99 4 108 4 116 9 127 7 141 2 177 0 194 0 LRC A 3 400V 235 2 242 4 293 4 340 4 351 2 284 2 362 0 417 5 Starting current A 3 400V 209 1 216 3 259 7 299 6 310 4 258 1 328 3 376 7 Maximum power calculated for compressor operation at 12 5 65 C Starting current 2 cycles later from compressor starts 4 mseg HYDRAULIC HYDRONIC VERSION STANDAR HIGH PRESSURE MODELS EAC EAR HY HN 0251 0291 0351 0431 0472 1552 0672 0812 Absorbed power kW 0 65 0 65 1 20 1 20 1 20 1 20 1 20 1 20 Maximum current A 3 400V 1 76 1 76 3 10 3 10 3 10 3 10 3 10 3 10 MODELS EAC EAR HY HN 1003 1103 1203 1303 1403 1604 1804 2104 Absorbed power kW 2 45 2 45 2 45 2 45 2 93 2 93 3 70 4 00 Maximum current A 3 400V 4 95 4 95 4 95 4 95 4 80 4 80 6 80 9 20 1 GENERAL CHARACTERISTICS 1 3 COMPONENTS LENNOX The EcoLean system comprises a water cooler or air water pump combined with a series of hydraulic accessories obtaining the Hydraulic or Hydronic version COMPONENTS HYDRONIC VERSION HN 1 2 3 4 5 6 7 8 9 10 11 HYDRAULIC VERSION HY 1 4 5 6 7 8 9 10 11 STANDARD VERSION STD 1 Detachable water filter 2 Water tank 3 Water tank heater in option 4
43. ta will be necessary to assure proper maintenance It is advisable to unpack the unit at the place where the unit is going to be installed to avoid damages during manage 2 2 UNIT LIFTING How to hoist the unit If unloading and placement requires the use of a crane then secure the suspension cables as shown in the figure The unit can only be lifted and moved by its base WITH HOOK WITH BALANCE BEAM Crane Sling 6m Balance beam Sling Hooker 4 k NOTE Use slingers of 6 with the hook in order to prevent pressure on the top of the unit because it be damaged Whenever it is possible use balance beam 24 LENNOX 2 INSTALLATION 2 3 ANTIVIBRATION MOUNTING Unit Flexible connection Rubber mounting 1 Mounting on a low sensibility zone Unit Flexible connection with loop Damping spring Metallic structure Support Rubber mounting 2 Mounting on a medium sensibility zone Unit Flexible connection with loop 3 Mounting on a high sensibility zone Check floor load 25 LENNOX 2 INSTALLATION 2 4 INSTALLATION CLEARANCES Clearance around the unit for all unit versions Failure to install the units as shown will impact performance and reliability INSTALLATION CLEARANCES DETAILING AVM POSITIONS EAC EAR Y am 0251SM 0291SM 0351SM 0431SM 1
44. tion a Purged of the installation DATA INPUT COOLING CYCLE HEATING CYCLE Air Inout Temperature Coil Water Output Temperature Water Input Temperature High Pressure Low Pressure ELECTRIC POWER CONSUMPTION COOLING CYCLE HEATING CYCLE Compressor 1 Fan 1 Compressor 2 Fan Compressor 3 Fan 3 Compressor 4 Fan 4 P P gt P gt gt gt gt gt Options Installed LENNOX 1 GENERAL CHARACTERISTICS 1 1 TECHNICAL DATA EA C 1003 S M 4 HY LN C qeu oem Standard version Type of unit EcoLean LN Low noise version C Cooling only units SLN Super low noise version Standard version R Heat pump units i HY Hydraulic version Approximately capacity in kW HN Hydronic version Number of compressors 4 Revision 4 S Standard version M Refrigerant R410A F High pressure version O 2 2 r lt EAC MODELS 0251SM 0291SM 0351SM 0431SM 0472SM 0552SM 0672SM 0812SM Cooling capacity kW 22 1 25 9 32 0 37 6 44 1 50 7 63 4 75 4 1 scroll 2 scroll 1 1 216 Min water rate mith Min water rate m h 12 38 13 9 Standard kg 640 High pressure kg 680 Refrigerant kg 23 5 809 849 938 978 27 Refrigerant kg 55 9 n 122 155 195 10035 11035 12035 13035 1403SM 1604SM 1804SM 2104S
45. uania Morocco Near East Norway Romania Serbia Slovenia oweden Switzerland Tunisia Turkey LENNOX DISTRIBUTION __ O u 33 4 72 23 20 00 DJ info dist lennoxeurope com C 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 MIL113E 0311 02 2012 personal injury Original manual translation Installation and service must be performed by a qualified installer and servicing agency
46. unit For nominal and minimum water flow the difference between the inlet and water outlet temperature should be 5 C cooling and heating pump units in cooling cycle only for an inlet temperature of 12 C an outlet temperature of 7 C and an outside temperature of 35 C If these conditions change the unit capacity will also change and as a result for nominal flow the difference between the inlet and water outlet temperature will vary slightly from 5 C as can be seen in the following table based on nominal flow rate AT Water inlet temperature Water outlet temperature Outside temperature C Water output C 15 7 6 1 9 6 5 11 7 0 If the unit must be started in the heating cycle and if you wish to operate at nominal cooling rate the following shows the approximate differences between the inlet and water outlet temperatures for the various conditions AT Water inlet temperature Water outlet temperature Outside Temperature C BH Water output C 6 0 6 12 18 35 4 5 5 5 6 5 7 5 8 5 50 4 5 6 7 8 Note The unit control system displays the inlet and water outlet temperature to be displayed See the Control Description section Check that the correct water pump has been selected taking into account the loss of pressure in the hydraulic system It is dangerous to let the unit run at a low rate and any faults which may result will not be covered under warranty Do not start up the air conditioning u
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