aircoolair u.e._iom_mil122e-1401 06-2013
Contents
1. N AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 3 COMMISSIONING AND OPERATION LENNOX 3 1 PRELIMINARY CHECKS BEFORE STARTUP Check that the power supply is the same as stated on the Rating Plate which is in agreement with the electrical diagram for the unit and that cable sizes are correct Check that tightness of the electrical connections to their terminals and to ground Check the control panel connections If the connection is incorrect the unit will not operate and the control panel display will not light Check with your hand that the fans are turning freely FIGURE FOR THE STANDARD UNIT CONFIGURATION FOR MODELS 045D 055D 070D 085D A CHECK COMPRESSOR OIL LEVEL Part of the compressor oil is pumped to the system when the compressor starts so for split systems part of the oil can be placed in the system piping lines traps evaporator etc The quantity of oil in the system depends on the refrigerant charge The compressor cannot work with incorrect or excessive refrigerant It may be necessary to add oil to the system depending on the piping length See below an example of calculation of the oil quantity to be added to the system EXAMPLE ASH 030S CIH 030S with 65 m with remote option Refrigerant charge 6 33 kg TABLE 3 1 p 21 Refrigerant charge to add with 65 m 182g m x 65 11 83kg TABLE 2 p 20 Total refrigerant charge 6 33 11 82. 3 x 35 mm 2x 16 mm 3 x 95 mm 2 x 50 mm 4 x 2 5 mm STD HP1 2 x 4x 1 5 mm HP2 HP3 7 x 1 5 mm 4x 1 5 mm 4x 2 5 mm 3 x 35 mm 2x 16 mm 3 x 95 mm 2x50 mm 4 x 2 5 mm STD HP1 2 x 4 x 2 5 mm HP2 HP3 7 x 1 5 mm 4x 1 5 mm 4x 2 5 mm 3 x 50 mm 2 x 25 mm 3 x 70 Mm 2 x 25 mm 3 x 95 mm 2x50 mm 4 x 2 5 mm STD HP1 2x 4x 2 5 mm HP2 HP3 7x 1 5 mm 4x 1 5 mm 4x 2 5 mm 3 x 95 mm2 2x25 mm Power supply n a not available Electrical heater 3 Standard 4x 2 5 mm 6 x 1 5 mm 4x4mm 6 x 1 5 mm 4 x 6 mm 6 x 1 5 mm Modulating 4 x 6 mm 7 x 1 5 mm 4 x 2 5 mm 6 x 1 5 mm 4 x 4 mm 6 x 1 5 mm 4 x 6 mm 6x 1 5 mm 4 x 6 mm 7 x 1 5 mm 4 x 2 5 mm 6 x 1 5 mm 4 x 4 mm 6 x 1 5 mm 4x6 mm 6x 1 5 mm 4 x 6 mMm 7 x 1 5 mm 4 x 4 mm 6 x 1 5 mm 4 x 6 mm 6 x 1 5 mm 4x 10mm 6x 1 5 mm 4x 10mm 7X1 5 mm 4 x 4 mm 6 x 1 5 mm 4 x 6 mm 6 x 1 5 mm 4 x 10 mm 6 x 1 5 mm 4 x 10 mm 7 x 1 5 mm 4 x 4 mm 6 x 1 5 mm 4 x 6 mm 6 x 1 5 mm 4 x 6 mm 6 x 1 5 mm 3 x 10 mm 2 PE 6 x 1 5 mm 4x 10mm 6x 1 5 mm 4x 16mm 6x 1 5 mm 4x 10mm 7X1 5 mm 4x 16mm 7X 1 5 mm 4 x 6 mm 6 x 1 5 mm 3 x 10 mm2 PE 6 x 1 5 mm 4x 16mm 6x 1
3. Check and reverse power phases ee tN AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 4 MAINTENANCE LENNOX 4 3 1 SAFETY DEVICES ASTP COMPRESSOR PROTECTION amp This device protects the compressor against high discharge temperatures Tatas ae anc a a When the temperature reaches critical values ASTP protection causes the Scrolls to separate The compressor stops pumping but the motor continues to run Advanced Scroll Temperature Protection Compressor may stop pumping with motor punning Turn off amd wait until coal May heed more than 1 hour to reset Occasionally when the compressor stops and starts there is a metallic noise due to Bicomarmor puske ditar din sompni con ai raaior aranca the compressor scrolls This is normal rar y espt ENIT Puede ser necesario m s de 1 hora para reanmar Connect high and low pressure gauges and check that the operating pressures are normal Measure electrical consumption for the unit and check that it is close to that indicated on the specification plate Check the electrical consumption of the compressor and the fans against that specified in the physical data sheets Inthe case of a Heat Pump unit make a cycle change on the Control Panel checking that the 4 way valve makes the change correctly Check the pressures in the new cycle Split and Multi split Low pressure switch and high pressure switch are reset automatically and if it operates 3 times in one
4. Number of compressors 3 3 3 Cooling only unit ASC ADC 1659 1679 Heat pump unit ASH ADH 1684 1704 Optional Soft starter 9 9 9 n a n a Optional FP1 40 40 40 80 80 Air flow 22 00 18100 22700 18100 22700 22700 28600 28600 36000 36000 Refrigerant charge NITROGEN The units are supplied with nitrogen gas this must be removed and the unit charged with refrigerant R 410A depending on unit model See page 21 to calculate refrigerant charge for model ASC ADC and ASH ADH units to work with indoor units CIC CIH R 410A factory refrigerant precharge kit is available as an option AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 1 GENERAL CHARACTERISTICS LENNOX 1 2 ELECTRICAL DATA ELECTRICAL CONSUMPTION FOR STANDARD UNITS MODELS ASC ASH Voltage Ph V Hz 3 400V 50Hz Maximum absorbed power kW Compressor 15 6 16 9 Fan 0 84 0 84 Total power 16 44 17 74 Maximum current A Compressor 25 6 31 Fan 3 4 3 4 Total current 29 Start up current A MODELS ASC ASH Voltage Ph V Hz 3 400V 50Hz Maximum absorbed power kW Compressor 45 6 Fan 3 05 Total power 48 65 Maximum current A Compressor 84 Fan 6 4 Total current Start up current A ADDITIONAL ELEC
5. 035S 040S E pE a E a a ee ee ee ee ee 7 z ee ee i o oS o 2 Fan motor amp Scroll compressor Fan Coil NL eR S X X x Coil FHH a HE tu Suction accumulator long distance connection option Y i a pue Expansion valve 5 p A 7 7 Service valve option ge a gg 1 E a a pag eee E sa ea Me OPTION ELEMENT OUTDOOR UNIT INDOOR UNIT CIC O045D 055D 070D 085D ASC 045D 055D 070D 085D pee a L meL LLL LLL o 3 i a Fan motor 25 Scroll compressor BBN 3x x x z Ws Te ptt J Suction accumulator long distance connec Fan i C1 tion option a HE y p p Leb p H a HE ee Xo gt X EE F s LI _ 5g Hz O e Expansion FH valve Filter drier ervice valve option i H z 055D 070D 085D HHH feb S os i i L Fan motor S Scroll compressor 3 i Si i ORY lg x 3 i J T T D T T b TH H CS mo l aa Coil Suction accumulator long distance connec C2 tion option i SVL3 3 He Pressure gauge 5 16 to be fitted by the installer Discharge sensor HP1 High pressure switch circuit 1 High pressure switch circuit 2 Liquid solenoid valve long distance option
6. 4 x 1 mm shielded free cooling Air differential pressure transducer 3 x 1 mm shielded N A OPTION OS HR T Outdoor sensor for enthalpic free cooling 5 x 1 mm shielded 5 x 1 mm shielded 3 x 1 5 mm units 1 circuit 2 x 3 x 1 5 mm units 2 circuits AS HRT Remote ambient sensor for enthalpic free cooling DFS Dirty filter sensor LDRP Long distance connection DADS Smoke detector Hot water coil VOLTAGE OPERATING LIMITS 342 462V AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 Fo tae LENNOX 2 INSTALLATION 2 7 ELECTRICAL CONNECTIONS POWER SUPPLY Power supply Power supply Power supply with electrical heater Free cooling Exhaust fan Return fan 1 1 2 4 5 6 5 x 4 mm2 5x 10 mm 4x 1 5 mm 7 x 1 5 mm 3 x 1 5 mm N A 5 x 6 mm 5x 16 mm 4x 1 5 mm 7 x 1 5 mm 3 x 1 5 mm N A 5 x 6 mm 3 x 25 MM2 2x 16 mm 4x 1 5 mm 7 x 1 5 mm 3 x 1 5 mm N A 5x 10 mm 3 x 25 MM2 2 x 16 mm 4x 1 5 mm 7X 1 5 mm 3 x 1 5 mm N A 5x 16 mm 3 x 35 mm 2x 16 mm 4x 1 5 mm 7 x 1 5 mm 3 x 1 5 mm N A 5 x 16mm 3 x 25 mm 2 x 16 mm 3 x 50 mm 2 x 25 mm 3 x 70 mm 2 x 35 mm 4 x 1 5 mm STD HP1 4 x 2 5 mm HP2 HP3 4 x 1 5 mm STD HP1 4 x 2 5 mm HP2 HP3 7 x 1 5 mm 7 x 1 5 mm 4x 1 5 mm 4x 1 5 mm 4x 1 5 mm 4x 1 5 mm
7. To be connected by the installer to indoor units Crankcase heater Low ambient option Crankcase heater Low ambient option Low pressure switch circuit 1 High pressure transducer circuit 1 Low pressure transducer circuit 2 AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 High pressure transducer circuit 2 Outdoor temperature sensor LENNOX 1 GENERAL CHARACTERISTICS 1 5 PIPING DRAWINGS COOLING ONLY UNITS INDOOR UNIT OUTDOOR UNIT CIC 100D 120D 140D ASC 100D 120D 140D ees es en eee ee eee 5 a oo eas aL nn Gc u D 6 Scroll SP IpIGee Fan motor DS Fan hS EEE i k gt 1 Suction accumulator Low ambient 15 C and low noise level option i i i Expansion valve j Filter drier Service valve option i S o o ggl ga Scroll sa Sw Fan motor Lb HHHH Suction accumulator Low ambient 15 C and low noise level option Pressure gauge 5 16 to be fitted by the installer High pressure switch circuit 1 Discharge sensor High pressure switch circuit 2 Liquid solenoid valve long distance option Crankcase heater Low ambient option To be connected by the installer to indoor units High pressure transducer circuit 1 Low pressure switc
8. e BM J4 ID4 TCB B Cooling Heating Contact closed the unit operates in heating mode and open contact the unit opera tes in cooling mode e BM J4 ID7 TCB G On Off Contact closed On 4 inputs on the BE60 e BE J4 ID1 TCB Y1 50 power engaged when the contact is closed e BE J4 ID2 TCB Y2 100 power engaged when the contact is closed e BE J4 ID3 Available e BE J4 ID4 Available AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 ee LENNOX 2 INSTALLATION 2 9 OPTIONS INSTALLATION COMMUNICATION CAPABILITIES 1 BMS MODBUS_RS485 or TCP IP connection 2 BMS LONWORKS Echelon connection 3 BMS BACnet RS485 or TCP IP connection BM60 BM60 BM60 SERIAL CARD CH1 SERIAL CARD CH2 SERIAL CARD CHS _ SERIAL CARD CH4 MODBUS MODBUS LON WORKS FTT 10A Cable c section mm LON WORKS FTT 10A BACNET WO wire S12E racing BACNET rom min 0 2 a max 2 5 mm AWG 20 22 1000m max RS485 ff SERIAL CARD RS232 BM6O0 230V Ss BMS Connect a 120 Q 1 4 W ter a minating resistor MODBUS s only A master slave connection is possible SERIAL CARD SERIAL BM60 CARD J11 3 shielded pairs AWG24 500 m max LAN Cable c section mm Cable c section mm Cable c section mm Cable c section mm 3 shielded pairs 3 shielded pairs 3 shielded pairs 3 shielded pairs AWG24 AWG24 AWG24 500 m max 500 m max 500 m max i H 4
9. 10900 13480 17315 17230 25660 26950 G2 e Ssss sse tee an 6940 6420 8740 10900 11600 11160 17100 25660 26950 Note MODELS 100D and 120D USE DIFFERENT SIZES OF PIPE CONNECTIONS LARGE SIZE FOR CIRCUIT 1 AND SMALL SIZE FOR CIRCUIT 2 REFRIGERANT CHARGE FOR THE SET EXAMPLE To install a ASH 030S CIH 030S set with 22 m refrigerant line length between the outdoor and indoor units the refrigerant charge must be calculated as follows 1 TABLE 1 p 20 shows that for 22m of line length between the indoor unit and outdoor units the line sizes are liquid 5 8 and gas 1 1 8 2 TABLE 2 p 20 shows for line sizes of 5 8 1 1 8 the charge per meter of line is 177 g m x 22m 3894 g 3 TABLE 3 1 shows charge of refrigerant for a set with Om line length is 6330 g 4 To determine the charge of the set Add the charge in the refrigerant lines the charge in the indoor unit and outdoor refrigerant units Total charge for the set 3894 6330 10224 g Note If the outdoor unit includes the factory pre charged kit only the weight of refrigerant per meter of line in TABLE 2 Is taken into account 100D to 140D units with 3 compressors are working using three capacity steps and 200D 230D with 4 capacity steps See the picture below for the installation in the case of units with tandem compressor circuit An additional gas line has to be used to assure the
10. 2D 128D C 2 iquid receiver Suction accumulator Long Fan o distance connection option S ve S i Suction accumulator Z5 Li I o Filter drieg oe Mo tg ner pes Expansion valve soil l l lie a Check valve Check Check valve Check valve ena a a a gee See et en J valve Te ee eee Pressure gauge 5 16 to be fitted by the installer High pressure switch circuit 1 Discharge sensor High pressure switch circuit 2 Liquid solenoid valve long distance option Crankcase heater To be connected by the installer to indoor units High pressure transducer circuit 1 Liquid solenoid valve long distance option High pressure transducer circuit 2 Low pressure switch circuit 1 Outdoor temperature sensor Low pressure transducer circuit 2 toe ON AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 1 GENERAL CHARACTERISTICS 1 6 DIMENSIONS OF ASC ASH ADC ADH UNIT 020S ain switch option Electrical box Power supply cable _ entry Access to gas and liquid lines 045D 055D 070D 085D Main switch optional Access to gas and liquid lines Power supply Access to gas and LENNOX gt 025S 030S 035S 040S eee ee she in switch 1635 Access to gas and liquid lines Electrical box 100D 120D 140D Main switc optional liquid lines Power supply 200D 230D Main switch
11. 3 18 16 kg Oil compressor charge l 3 25 Oil compressor charge kg 2 925 density 0 9 Permissible quantity in the system kg 0 03 2 925 x 0 01 Permissible refrigerant charge kg 6 0 03 0 005 Excess refrigerant charge 18 16 6 12 16 60 8 g 12 16 x 5 g quantity of oil to be added to the system 0 55 I of oil to be added to the system In the event of having to add oil remember the type of oil is synthetic POE The original oil charge including the compressor is ICI Emkarate RL32 3MAF This type of oil must also be used when replacing the oil completely If only topping up RL32 3MAF or Mobil EAC Artic 22C can be used AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 Po te LENNOX 3 COMMISSIONING AND OPERATION 3 2 PRELIMINARY CHECKS AT STARTUP To start the unit follow the instructions given in the User Manual for the control supplied with the unit requiring operation in any of the modes cooling heating or automatic After a time delay the unit will start With the unit operating check that the fans are turning freely and in the correct direction CHECK THAT THE COMPRESSOR IS ROTATING IN THE CORRECT DIRECTION If you have the option phase rotation indicator use it to check the correct rotation If you do not have three phase return lock check the correct direction of rotation The suction pressure decreases and the discharge pressure increases when the compressor is star
12. 5 mm 4x 16mm 7 x 1 5 mm 4 x 6 mm 6x 1 5 mm 3 x 10 mm2 PE 6 x 1 5 mm 4x 16mm 6x 1 5 mm 4x 16mm 7X 1 5 mm 4x 10mm 6x 1 5 mm 4x 16mm 6 x 1 5 mm 4x25 mm 6x 1 5 mm 4x25 mm 7X1 5 mm 4x 10mm 6x 1 5 mm 4x 16 mm 6 x 1 5 mm 4x25 mm 6x 1 5 mm 4x25 mm 7 x 1 5 mm 4 x 10 mm 6 x 1 5 mm 4x 16mm 6 x 1 5 mm 4x25 mm 6x 1 5 mm 4x25 mm 7X1 5 mm n a not available a a AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 2 INSTALLATION LENNOX 2 7 ELECTRICAL CONNECTIONS COMFORT AND SERVICE TERMINAL CONNECTION O907858Axx FDTS rT MD ad Kt 44 FE A b 44 bt 44 a SS a Ke pp 2 8 DRY CONTACT BOARD CONTROL The AIRCOOLAIR condensing unit can be remotely controlled via dry contacts on the BM60 and BE60 The expansion board BE6O0 is an additional board fixed on DIN rail This board is supplied in stand on AIRCOOLAIR condensing unit Description of the various connectors 1 Power supply of the board Analog output 0 10V not used Network bus to the CLIMATIC 60 BM60 4 digital inputs dry contacts only LED status of the network bus Serial address dip switch of the network bus 4 analog input configurable by pair B1 B2 and B3 B4 4 digital outputs dry contact only CON OO FB W NY 6 digital inputs are dry contacts They are factory configured as follow 2 inputs on the BM60
13. 50 mm unit pad Hg after that keep the vacuum pump running for at least one hour in order to provide a vacuum to the connecting lines and the indoor unit Disconnect the Copper cap Copper tube to connect to vacuum pump indoor unit 5 Refrigerant charge Remove vacuum pump and connect the refrigerant bottle Check TABLE 2 for refrigerant charge per meter of copper pipe for the corresponding model Adjust the amount of refrigerant on the weighting scale and open the pressure gauge to charge in liquid state with R 410A refrigerant the charging bottle must be in a vertical position and it is important to charge in the liquid state Close the pressure gauge disconnect it from the service port of the unit and fit the caps 6 Open the service valves 7 The unit is ready to operate AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 LENNOX 2 INSTALLATION 2 6 REFRIGERANT CONNECTIONS To locate outdoor and indoor units refer to the following information f OUTDOOR UNIT POSITION A A siphon suction must be installed in the vertical part of the gas line and siphons must be installed every 8 meters in the rising section The minimum suction speed must not be below 6m s Maximum vertical length 16m POSITION B Slope the lines toward the outdoor unit Take special care with lines longer than 10 and avoid collapse POSITION C Install a siphon at the base of the vertical of the gas line no more siphons are nece
14. LENNOX gt Think far Installation operating and maintenance AIRCOOLAIR ASC ASH Large ducted split 19 gt 134 kW Air cooled condensing unit 20 gt 230 kW MIL122E 1401 06 2013 gt AIR CONDITIONING SOLUTIONS FOR YOUR FUTURE lennoxemeia com TABLE OF CONTENTS gt LENNOX AIRCOOLAIR OUTDOOR UNITS INSTALLATION OPERATION MAINTENANCE MANUAL Ref MIL122E 1401 06 2013 POINTS TO BEAR IN MIND 2 DATA PAGE FOR COMMISSIONING OF THE UNIT 3 1 GENERAL CHARACTERISTICS 1 1 Physical data 4 2 1 Preliminary preparations 12 tL Sa a 2 4 Installation clearances 13 oe ae 3s a a 2 7 Electrical connections 19 4 3 Fault diagnosis 26 WARNING Read this manual before carrying out installation repair or maintenance work All 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 AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 Lee LENNOX gt POINTS TO BEAR IN MIND DANGER AND WARNING SIGNS AA A A Abrasive surfaces Low temperatures High temperatures Risk of injury from Electrical voltage Risk of injury from moving objects rotating objects ELECTRICAL CONNECTIONS Make sure to switch off the powe
15. MDICSSOl 22 erimasa eeews Rhee I COMPICSSO S Te cn ct jteceeencae a Outdoor fan section 1 a Outdoor fan section 1 m Outdoor fan section 2 Outdoor fan section 2 Options installed Comments AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 Po LENNOX 1 GENERAL CHARACTERISTICS 1 1 PHYSICAL DATA A S C 020 S N M 3 M Unit C Cooling only S One Circuit Type of refrigerant M 400V 3 50 AIRCOOLAIR H Heat pump D Two Circuits M R 410A S Outdoor unit Split Approximate cooling ei Number capacity in kW of revision i ASC ADC Cooling only unit R 410A ASH ADH Heat pump unit R 410A ASC ASH Type of compressor Scroll Number of compressors 1 Cooling only unit ASC ADC Heat pump unit ASH ADH Optional Soft starter Optional FP1 Air flow 9750 9750 11500 11500 11000 11000 Refrigerant charge NITROGEN n a not available MODELS ASC ASH 045D 055D 070D Type of compressor Scroll Number of compressors 2 Cooling only unit ASC ADC l Heat pump unit Net weight ASH ADH Optional Soft starter 6 Optional FP1 N A Air flow 9750 9750 11500 11500 11300 11300 11000 11000 Refrigerant charge NITROGEN n a not available ASC ASH 140D Type of compressor Scroll
16. So optional Electrical box o Access to gas and liquid lines Power supply j 7 Eer mih Naar A anh 7 F mp L J Ne 2a lt an 2227 Access to gas and liquid lines AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 ATN E LENNOX 2 INSTALLATION 2 1 PRELIMINARY PREPATATIONS T All INSTALLATION SERVICE and MAINTENANCE work must be carried out by QUALIFIED PERSONNEL The unit must be transported in a VERTICAL POSITION on its metal mounting frame Any other position may cause serious damage to the machine When the unit is received it should be checked to assure that it has received no shocks 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 stating why the machine is unacceptable on the transport agent s delivery note Any later complaint or claim made to the LENNOX Distribution Department for this type of damage cannot be considered under the Guarantee Sufficient space must be allowed to facilitate installation of the unit The unit may be mounted outdoors When the unit is mounted on the floor ensure that the position is not subject to flooding necessary to ensure correct maintenance T When positioning the unit be sure that the Rating Plate is always visible since this data will be The units are designed to be installed with ducts designed by qualified technical
17. TRICAL CONSUMPTION FOR THE OPTIONS FP1 OPTION ASC ASH Voltage Ph V Hz 100D FP1 Low Speed High speed 120D FP1 Low Speed High speed 140D FP1 Low Speed High speed 3 400V 50Hz 200D FP1 Low Speed High speed 230D FP1 Low Speed High speed Maximum absorbed power kW 2 00 6 20 2 00 6 20 1 00 5 2 5 8 14 2 2 10 4 Maximum current A 3 2 9 8 3 2 9 8 1 6 8 2 9 6 22 8 3 2 16 4 Start up current 3 2 9 8 3 2 9 8 1 6 8 2 9 6 22 8 3 2 16 4 AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 BS LENNOX 1 GENERAL CHARACTERISTICS 1 3 FAN PERFORMANCES 1 3 1 OUTDOOR UNIT WITH AVAILABLE HIGH PRESSURE FAN OPTION Air flow data FP1 option Low speed MODELS 100D 120D 140D 200D Axial short case direct coupling 900 r p m Low speed 3 400V Fan number 2 4 Airflow rate 19000 19000 28000 28000 Absorbed power 5 10 Airflow rate 18000 18000 24000 24000 Absorbed power 5 1 10 2 Airflow rate 17000 17000 22000 22000 Absorbed power 52 10 4 Airflow rate 15000 15000 20000 20000 Absorbed power 5 3 10 6 Fan type Available static pressure n a Not available 100D 120D 140D 200D 230D Axial short case direct coupling 1450 r p m High speed 3 400V Fan number 2 4 22000 22000 34000 34000 Absorbed
18. an to avoid air by pass through the fan if it has stopped During the heat pump defrost cycle the units produce a large quantity of melted water If you wish to drain this water adequate drainage should be installed below the unit to collect and lead the water to the desired location Air duct installation If an air duct has been installed the operating limits will be reduced see operating limits section in this manual 1 The air intake plenum option available for models 100D 140D facilitates the installation of the air intake duct 2 The discharge plenum option permits the installation of a square discharge duct with options FP1 SSN AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 2 INSTALLATION LENNOX 2 6 REFRIGERANT CONNECTIONS Pa lt lt er ye The unit is supplied with the gas and liquid lines sealed with copper caps out Coppercap Refrigerant pipe lines side the casing with possibility to install pipe lines unless the unit is supplied with the factory precharged refrigerant kit option or service valves kit option Brazing y eo A Standard units are filled with Nitrogen gas which must be removed before any operation on the unit As an option the unit can be supplied with service valves on the gas and liquid lines with Nitrogen charge N or refrigerant charge R 410A FOR STANDARD UNITS AND UNITS SUPPLIED WITH SERVICE VALVES PROCEED AS FOLLOW 1 Remove the nitroge
19. correct operation of the system iN i Condensing unit with capacity reduction 15 m max 5 m max 0 15 m min Coupled trap Lower trap with double tubes Higher trap with double tubes 8 Models with tandem compressor 7 100D 120D 140D 200D 230D Circuit 1 Circuit 1 Circuit 1 Circuits 1 amp 2 Circuits 1 amp 2 AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 2 INSTALLATION _ LENNOX 2 7 ELECTRICAL CONNECTIONS BEFORE MAKING ANY ELECTRICAL CONNECTIONS ENSURE THAT ALL CIRCUIT BREAKERS ARE OPEN A INORDER TO MAKE THE ELECTRICAL CONNECTIONS FOLLOW THE ELECTRICAL DIAGRAM SUPPLIED WITH THE UNIT DS INDOOR SECTION CO2 AS __ RO _ gt OS L_ Os m a HR T er PT1 Note The length of all cables for connection with indoor unit PT2 a OUTDOOR SECTION must be less than 65 m To connect by installer CONNECTION OF CONTROL ELEMENTS unit 2 x 1 mm shielded AS Remote ambient sensor RS Remote duct sensor RS HR T Duct remote sensor for enthalpic free cooling 5 x 1 mm shielded C02 CO2 Air quality probe Available only with enthalpic
20. dium sensitivity 3 Mounting on a high sensitivity area area Check floor loading Unit Metal and concrete structure Support Rubber mounting Damping spring Rubber mounting 2 4 INSTALLATION CLEARANCES A FAILURE TO INSTALL THE UNITS AS SHOWN WILL IMPACT PERFORMANCE AND RELIABILITY INSTALLATION CLEARANCES DETAILING AVM POSITIONS ASC ASH 020S ASC ASH 025S 030S 035S 040S ASC ASH 045D 055D 070D 085D Clearance around the unit Size in mm AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 2 INSTALLATION LENNOX gt INSTALLATION CLEARANCES ASC ASH 100D 120D 140D ASC ASH 200D 230D Clearance around the unit 2 5 INDOOR LOCATION Air outlet Air outlet duct 2 Unit A Air mm Auxiliary drip tray heat pump unit Ey Air inlet duct 1 For inside location keep the following advice in mind DETAILING AVM POSITIONS 965 965 i 682 1420 682 va Tinie j 675 T 700 T 675 TT gt LS Ea J Ba S al e 2 O14 ye 4 4 H 34 la 675 700 675 le 2 2250 i gt Size in mm In heat pump units with double circuits and cooling units 100D 140D only if only one duct is going to be installed a regulated pressure damper should be installed for each f
21. e kept in a safe place near the equipment Like most equipment the unit requires regular maintenance This section concerns maintenance and management personnel 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 ST N AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 DATA PAGE FOR UNIT COMMISSIONING LENNOX UNIT SERIAL NUMBER CONTROL PANEL IDENTIFICATION CODE INSTALLATION ADDRESS INSTALLER INSTALLER TEL INSTALLER ADDRESS COMMISSIONING DATE CHECKS SUPPLY VOLTAGE RATED VOLTAGE OF THE UNIT Unit on shock absorbers Drainage with trap Main power supply connection Control panel connection Compressor oil level indicator DATA INPUT COOLING CYCLE HEATING CYCLE Air intake temperature to the outdoor 1 C Air intake temperature to the outdoor 1 C coil D oG Coil D C Air output temperature to the 1 C Air output temperature to the 1 C outdoor coil D oG outdoor coil D C l Circuit 1 l Circuit 1 High pressure High pressure Circuit 2 7 Circuit 2 Circuit 1 Circuit 1 Low pressure S _ _ Low pressure Circuit 2 Circuit 2 ELECTRIC POWER CONSUMPTION Amps Compressor 1 00005 O Compressor 1 005 SS A Compressor 2 00000 0a Compressor 2 0005 SS E CO
22. e with the following instructions may result in injury or serious accidents Work on the unit The unit shall be isolated from the electrical supply by disconnection and locking using the main isolating switch Workers shall wear the appropriate personal protective equipment helmet 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 direction 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 deterioration 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 pressure before any disassembly or unbrazing of the refrigerating parts takes place There is a residual risk of pressu
23. ends n a not available A With lines length between 40 and 65 m long distance option must be selected A Units are factory pre charged with Nitrogen N The installer should remove the nitrogen and charge the units with the R 410A refrigerant shown in the following tables and also the charge per meter of line shown in TABLE 2 The unit is supplied as standard with brazed connections A factory pre charged kit is available as an option If fitted TABLE 2 is the only one to take into account this option includes service valves TABLE 2 WEIGHT OF R 410A REFRIGERANT PER METER OF LINE g m LIQUID 1 2 5 8 5 8 AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 LENNOX 2 INSTALLATION 2 6 REFRIGERANT CONNECTIONS TABLE 3 1 REFRIGERANT CHARGE Charge of refrigerant gr R 410A for 0 meters of line ASC indoor unit Cooling only 020S 025S 030S 035S 040S 045D 055D 070D 085D 100D 120D 140D 200D 230D C1 5155 5315 5700 7950 9745 6250 5775 7870 9800 12130 15585 15500 23100 24250 Co eee eee ee ee ee 6250 5775 7870 9800 10450 10045 15400 23100 24250 Charge of refrigerant gr R 410A for 0 meters of line ASH indoor unit Heat pump 020S 025S 030S 035S 040S 045D 055D 070D 085D 100D 120D 140D 200D 230D C1 5725 5900 6330 8835 10830 6940 6420 8740
24. h circuit 1 High pressure transducer circuit 2 Low pressure transducer circuit 2 Outdoor temperature sensor ee NN AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 1 5 PIPING DRAWINGS HEAT PUMP UNITS INDOOR UNIT CIH 020S 025S 030S 035S 040S Gc aig sec ec o a a a a a a a a INDOOR UNIT CIH 045 055D 070D 085D ede a aie a ee o O e o 8 Ess if by H Check valve 64D 76D 86D H X Filter alv oy gier Check valve EESE EEEE EE te EE ee ee ee eee Pressure gauge 5 16 to be fitted by the installer DX Service valve option ve option Q Service valve o N Service valve option N SVL4 l l peee Check valve J Service valve qar 1 GENERAL CHARACTERISTICS LENNOX OUTDOOR UNIT ASH 020S 025S 030S 035S 040S Fan motor 2 Suction accumulator 2 Remote connection option gt 40 Lf A 8 Suction accu 2 l 3 svl2 Filter drier x l mulator A _ expansion valve Ea na T LX Lezy Check valve Check valve Check valve OUTDOOR UNIT ASH 045 055D 070D 085D Scroll compressor X STANN X X TE H DET Y Coil Suction accumulator Long distance connection option HI Suction accumulator LBA Expansion valve j Fan motor os Scroll compressor Suc
25. hour they change to manual reset through the control unit With C60 control Low pressure switch and high pressure switch are reset automatically and if it operates 3 times in one day they change to manual reset through the control unit AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 et ae LENNOX lennoxemeia com eee SALES OFFICES BELGIUM AND LUXEMBOURG RUSSIA 32 3 633 3045 495 626 56 53 FRANCE SPAIN 33 1 64 7 6 23 23 34 902 533 920 GERMANY UKRAINE 49 0 40 589 6235 O 380 44 461 87 79 ITALY UNITED KINGDOM AND IRELAND 39 02 495 26 200 44 1604 669 100 NETHERLANDS 48 22 38 48 610 OTHER COUNTRIES NS PORTUGAL LENNOX DISTRIBUTION Due to Lennox s ongoing commitment to quality the specifications ratings and dimensions are subject to change without notice and without incurring liability C 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 MIL122E 1401 06 2013
26. itch is defective Inspect and correct Check cut off pressure switch or replace pressure switch if necessary Outdoor fan is not working Check for voltage inspect the motor and turbine or replace if necessary Outdoor fan turns in the wrong direction Reverse the power phases Outdoor coil is dirty or clogged for pas sing air Inspect and clean Excess refrigerant charge Remove the charge and charge according to the data on the rating plate The same causes and solutions as the cold cycle but with reference to the coils and indoor fan Low pressure switch defective Check the cut off pressure with a pressure gauge and replace the pressure switch if necessary Indoor fan is not working Indoor fan turns in the wrong direction Check for voltage and inspect the motor turbine and replace if necessary Reverse the power phases Lack of refrigerant Leak Correct leak create vacuum and charge Dirty air filter Inspect and clean Clogged cooling circuit Dirty filter drier Compressor overcharged Inspect and correct or change the filter drier Inspect suction and discharge pressure values and correct Compressor cuts off due to Klixon Check input voltage and voltage drop Lack of refrigerant Correct leak and replace LOAD AND ABNORMAL NOISE IN THE COMPRESSOR SCROLL Power supply phases inverted three phase compressor
27. n gas through the high and low 5 16 service ports located inside and provide a low vacuum for safety 2 Remove the caps from the connecting lines 3 Braze the piping connection lines Select piping diameter from TABLE 1 When brazing refrigerant pipes nitrogen gas must be supplied into the pipes through the service ports to remove the air 4 Leak test Add nitrogen gas check that a pressure of 5 kg cm has been reached and that there are no leaks in the circuit or brazing by applying soapy water to the pipes which will cause the bubbles to form where there are leaks To detect small leaks proceed as follows Add nitrogen gas and check that a pressure of 25 kg cm has been reached there are no leaks if the pressure remains the same for at least 24 hours and the final pressure is not less than 10 below the initial pressure 5 Ensure that the gas line is insulated 6 Evacuation Remove the nitrogen gas connect the gauge manifold and vacuum pump to both the liquid and gas lines fully open the gauge manifold valve and switch on the vacuum pump Check to make sure the gauge shows a pressure of 750mm Hg Once a level of 750mm Hg is reached keep the vacuum pump running for at least one hour 7 Refrigerant charge Check TABLE 3 1 and 3 2 for the amount of refrigerant charge depending on the length and size of the pipe connections Disconnect the vacuum pump and connect to the refrigerant charging bottle Open the charging pump a
28. n of the silentbloc mountings ELECTRICAL CONNECTIONS FANS State of hoses tightness of screws earthing current consumption of Check that fans turn freely and in the correct direction without excessive the compressor and fans and check that the unit is receiving the correct noise voltage CONTROL COOLING CIRCUIT Check Set Points and normal operation Check that the pressures are correct and that there are no leaks Check that there is no damage to the pipe insulation that the condition of the coils is good and that they are not blocked by bits of paper or plastic drawn in by the air flow etc 4 2 CORRECTIVE MAINTENANCE IMPORTANT A MAKE SURE THAT THE UNIT IS FULLY DISCONNECTED FROM THE POWER SUPPLY WHEN CARRYING OUT ANY TYPE OF WORK ON THE MACHINE lf any component in the cooling circuit is to be replaced follow these recommendations Always use original replacement parts If the component can be isolated it is not necessary to remove the entire refrigerant charge if the component cannot be isolating and the refri gerant charge is removed it should be removed through the Schrader valves located in the outdoor section Create a slight vacuum as a safety measure Regulation prohibits the release of refrigerant into the atmosphere If 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 formi
29. nd purge the air from the hose at the pressure gauge manifold Set up the amount of additional refrigerant on the weighing scale open the high pressure and charged in the liquid state If the total amount of refrigerant charge has not been reached because the pressure is balanced turn off the high side of the gauge manifold turn on the unit and add the remaining amount of the refrigerant charge required slowly through the low side of the pressure gauge With R 410A refrigerant the charging bottle must be in a vertical position and charged in the liquid state Close the pressure gauge disconnect it from the from the service port of the unit and fit caps on the service ports The unit is then ready to operate During installation keep the gas and liquid pipes covered in order to prevent humidity and dirt from entering them A Take special care that the refrigerant pipes are insulated Avoid collapse on lines installation FOR UNITS SUPPLIED WITH SERVICE VALVES AND FACTORY PRECHARGED REFRIGERANT KIT PROCEED AS FOLLOWS 1 Release the refrigerant pressure from the connecting line through the service port located in that line 2 Remove the caps from the connecting lines p g Service port a Service valve 3 Braze the interconnection line to the indoor unit nT 4 With the service ports closed evacuate and connect the vacuum pump to the To the indoor 5 16 service port on the connecting line to achieve a pressure of 7
30. ng Use silver alloy brazing rod Take special care that the flame from the torch is directed away from the component to be welded and cover with a wet rag to prevent overhea ting Take very special care if 4 way or check valves are to be replaced since these have internal components that are very heat sensitive such as plastic teflon etc lf a compressor is to 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 Evacuate above and below through the Schrader valves of the outdoor unit until 750 mm Hg is reached Once this level of vacuum has been rea ched keep the pump running for at least one hour DO NOT USE THE COMPRESSOR AS A VACUUM PUMP Charge the unit with refrigerant according to the data on the Rating Plate Nitrogen for the unit and check that there are no leaks A R A T irection of the flame ilver alloy welding rod Em Component to be welded A PRECAUTIONS TO BE TAKEN WHEN USING OF R 410A Refrigerant R 410A refrigerant is used in the unit the following standard precautions for this gas should therefore be taken The Vacuum Pump must have a Check Valve or Solenoid Valve fitted Pressure Gauges and Hoses for exclusive use with R 410A Refrigerant sh
31. ould be used Charging should be carried out in the Liquid Phase Always use scales to weigh in charge Use the Leak Detector exclusive for R 410A Refrigerant Do not use mineral oil only synthetic oil to ream expand or make connections Keep pipes wrapped before using them and be very thorough about any possible dirt dust filings burrs etc When there is a leak collect what remains of the charge create a vacuum in the unit and completely recharge with new R 410A Refrigerant Brazing should always be carried out in a nitrogen atmosphere Reamers should always be well sharpened AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 Po LENNOX 4 MAINTENANCE 4 3 FAULT DIAGNOSIS In case of failure or malfunction of the unit the display on the control panel will show an error or alarm warning which is explained in the control panel manual Nevertheless whenever there is a unit fault the unit should be shut down and our service technicians consulted POSSIBLE CAUSES POSSIBLE SOLUTIONS UNIT DOES NOT START UNIT STOPS DUE TO HIGH PRESSURE DURING THE COOLING CYCLE UNIT STOPS DUE TO HIGH PRESSURE DURING THE HEATING CYCLE UNIT STOPS DUE TO LOW PRESSURE UNIT STARTS AND STOPS IN SHORT CYCLES Fault in the power supply or insufficient voltage Connect the power supply or check the voltage Circuit breakers have opened Reset Power cable or control panel cable is defective High pressure sw
32. power 9 2 18 4 20000 20000 28000 28000 Absorbed power 9 3 18 6 18000 18000 24000 24000 Absorbed power 9 4 18 8 Air flow data FP1 option High speed MODELS Fan type Airflow rate Airflow rate Airflow rate Available static pres 1 4 OPERATING LIMITS COOLING ONLY UNITS Maximum temperatures Minimum temperatures Indoor temperature 32 C DB 23 C WB 21 C DB 15 C WB Cooling cycle operation HEAT PUMP UNITS Outdoor temperature 45 C 20S 25S 30S 45D 55D 47 C 35S 40S 70D 85D 100D 120D 140D Maximum temperatures 10 C STANDARD UNIT C Minimum temperatures Indoor temperature 32 C DB 23 C WB 21 C DB 15 C WB Cooling cycle operation Outdoor temperature Indoor temperature 20S 258 30S 45D 55D 47 C 35S 40S 70D 85D 100D 120D 140D 27 C DB 15 C DB Heating cycle operation Outdoor temperature Depending on model See tables for heating capacities 10 C DB 11 C WB With low temperature 0 C kit option DB Dry bulb temperature With option kit low temperature 15 C or kit 15 C and low noise level 6 ON AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 WB Wet bulb temperature 1 5 PIPING DRAWINGS COOLING ONLY UNITS INDOOR UNIT OUTDOOR UNIT 1 GENERAL CHARACTERISTICS LENNOX O CIC 020S 025S 030S 035S 040S 6 ASC 020S 025S 030S
33. r before installing repairing or carrying out maintenance on the unit in order to prevent serious electrical injury Keep local and national legislation in mind when installing the unit Standard Guidelines to Lennox equipment All technical data contained in these operating instructions including the diagrams and technical description remains 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 The data published in the operating instructions is 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 without obligation to modify previously supplied goods 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 handling of the installation and carefully follow the instructions It is very important to be properly trained in handling the equipment These operating instructions must b
34. re build up by degassing the oil or by heating the exchangers after the circuit has been drained Zero pressure shall be maintained by venting the drain 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 following 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 manufacturer s 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 eae ON AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 4 MAINTENANCE LENNOX 4 1 PREVENTIVE MAINTENANCE PREVENTIVE MAINTENANCE PREVENTS COSTLY REPAIRS THIS REQUIRES PERIODIC INSPECTIONS GENERAL STATE OF THE CASING COMPRESSOR Furniture paint damage due to shocks rust spots levelling and suppor If a sight glass is fitted check the oil level ting condition of the shock absorbers if installed screwed panels etc Check the conditio
35. ssary Maximum vertical length 16 m OUTDOOR UNIT INDOOR UNIT 4 e A B C Unit positions L Total length Gas line L Liquid line T 2 En a 7 NOTE The units are supplied with welded connections As an option service valves are available for liquid and gas lines GAS LINES MUST ALWAYS BE INSULATED THE HORIZONTAL LINES MUST SLOPE AT LEAST 2 TOWARDS THE OUTDOOR UNIT THE MAXIMUM SPEED IN THE LINES SHOULD NOT BE MORE THAN 15 m sec AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 2 INSTALLATION LENNOX 2 6 REFRIGERANT CONNECTIONS For units with 2 circuits please be sure to connect indoor unit circuits C1 and C2 to the corresponding C1 and C2 circuits of the outdoor unit Note MODELS 100D and 120D USE DIFFERENT SIZES OF PIPE CONNECTIONS LARGE SIZE FOR CIRCUIT 1 AND SMALL SIZE FOR CIRCUIT 2 TABLE 1 REFRIGERANT LINES SELECTION REFRIGERANT LINES Liquid 0 to 30 m Standard con g Gas Total line length nection of unit Length refri Max nr of bends gerant lines between indoor unit and outdoor Liquid unit 30to65m Gas Max nr of bends Liquid 0 to 30 m Standard con g Gas Total line length nection of unit Length refri Max nr of bends gerant lines between indoor unit and outdoor Liquid unit 30t065m l Gas Max nr of b
36. staff The joints to be used between ducts and openings in the unit should be Elastic Joints Avoid the use of BYPASS joints between the extraction air and input air The structure where the unit is placed must be able to support the weight of the unit during operation 2 2 UNIT RECEPTION How to hoist the unit Use separators Use separators WITH BALANCE BEAM Rie NOTE PAS Use slingers of 6 m with the hook in order to prevent pressure on the top of the unit because it can be damaged Whenever it is possible use balance beam AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 2 INSTALLATION LENNOX 2 3 UNIT LOCATION The bedplate is made up of metal sections capable of withstanding the weight of the unit If the unit is floor mounted then the profiles should be isolated with shock absorbing material such as anti vibration units or pads Bear in mind that the fans rotate at approximately 850 rpm The unit is able to work in normal radio interference conditions for commercial and residential installations For any other conditions please consult us If the outside temperature in the area where the heat pump unit is to be installed is low or the operating cycle is too long it may be necessary to install an electrical heater in the drip tray to prevent the formation of ice in the coil during the defrost cycle 1 Mounting on a low sensitivity area 2 Mounting on a me
37. ted If the connection is incorrect 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 to shut down the unit The solution is to disconnect reverse two of the phases and connect again ASTP Protection is included with the unit compressors See Fault diagnosis for more information WITH OPERATING UNIT CHECK Low pressure and high pressure Use the evaporating and liquid temperature to calculate superheat and subcooling Adjust the refrigerant charge and or expansion valve according to the preceding values COMPRESSOR OIL LEVEL The oil level must always be checked When the compressor is at rest the level should be between 1 4 and 3 4 in the sight glass while when running the level should be between 3 4 and full In the event of having to add oil remember the type of oil is synthetic POE The original oil charge in the compressor is ICI Emkarate RL382 3MAF This type of oil must also be used when replacing the oil completely When only topping up RL382 3MAF or Mobil EAC Artic 22C can be used 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 work on the unit must be carried out by a qualified and authorised employee Non complianc
38. tion accumulator Long distance connection option Suction accumu lator Lees Check valve High pressure switch circuit 1 Discharge sensor High pressure switch circuit 2 Liquid solenoid valve long distance option To be connected by the installer to indoor units Crankcase heater High pressure transducer circuit 1 Liquid solenoid valve long distance option High pressure transducer circuit 2 Low pressure switch circuit 1 Outdoor temperature sensor Low pressure transducer circuit 2 AIRCOOLAIR ASC ASH MIL122E 1401 06 2013 Foe LENNOX 1 GENERAL CHARACTERISTICS 1 5 PIPING DRAWINGS HEAT PUMP UNITS INDOOR UNIT OUTDOOR UNIT CIH 100D 120 ASH 100D 120D 140D pe ee om e Z eee gt 5 Scroll compressor 2n mor is 4 way valve op x X X X Coooeeerrp Fan M z kD d ia C 1 Scroll compres Suction accumulator es sor Long distance connection wo oO el option Sol D 7 Suction accu od Filter mulator 2 drier x a Be q Expansion valve i l l l n Lez Check valve Check Check valve Check valve O valve z N Fan motor Oc 228 O Scroll compressor 4 way valve S O x X A X i EEF amp Gy 3 ep Lo ge ETT Ty WY Coil 11
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