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User manual CLIMATIC™ 50 - NEOSYS

1. 8 ouput 204 207 Alarm Code Error O Error Bits 1 Gta oma CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 74 Pump NEOSYS CL50 NEOSYS IOM 0609 E 230 I Alarm bit O lt Flow switch bit 1 High Temperature Outlet bit 2 Low Temperature Inlet bit 3 Low Temperature Outlet bit 4 High Temperature Inlet bit 5 lt Pump 1 bit 6 Pump 2 bit 7 Real Time Clock bit 8 BE50 bit 9 lt not used bit 10 lt Probes amp Sensors bit 11 lt Fans Condenser Circuit 1 bit 12 Fans Condenser Circuit 2 bit 13 lt Fans Condenser Circuit 3 bit 14 lt not used bit 15 lt not used Internal use LENNOX technicians version LENNOX bit O Compressor Circuit 1 Electric Protection bit 1 Compressor Circuit 1 High Pressure bit 2 Compressor Circuit 1 Low Pressure or Freeze protection bit 3 Compressor Circuit 2 Electric Protection bit 4 Compressor Circuit 2 High Pressure bit 5 Compressor Circuit 2 Low Pressure or Freeze protection bit 6 not used bit 7 not used bit 8 not used bit 9 not used bit 10 not used bit 11 not used bit 12 Compressor Circuit 1 Electronic Expansion Valve bit 13 Compressor Circuit 2 Electronic Expansion Valve bit 14 not used bit 15 not used Alarm bit O Flow switch bit 1 High T
2. 4 20 Sigal 4 20 4 20 Signil4 20mA Free temperature probe connection Lennox NTC sensor The measured value will be displayed on following addresses 2171 2172 2173 or 2174 STANDARD INPUT OUTPUT Function The Climactic 50 main board BM 50 offers free dry contacts to control the unit These free dry contacts are connected directly to terminals orange colour identified as follow 924 825 24V relay customers power supply Option 926 827 24V power ON the unit Option 804 805 Remote alarm reset NC Enable Reset 808 809 Water evaporator customer flow switch 890 891 Remote ON OFF of the unit 870 871 872 Alarm relay NC Alarm OFF Connection The following figure described how to connect the free dry contacts of Climactic V50 For the contacts 824 825 and 826 827 refers to the electrical diagram NOTE In case of TWINS units NAC 680 760 840 960 1080 its necessary to use a double contact to control the 2 parts of unit Remote ON OFF Open lt Unit OFF Closed lt Unit ON r MASTER 1 SLAVE 2 MASTER 1 SLAVE 2 MASTER 1 SLAVE 2 TWINS UNITS TWINS UNITS TWINS UNITS Remote Reset Alarm Open Reset OFF Closed Reset ON Water Evaporator Flow Switch Open Flow OFF Closed Flow ON 890 808 89 809 805 pns 2 0 _______ ERO O gt t The reset is enable only on af Pos
3. Week n 2 modulo 5 U32 U4 gt 113 U2 gt Week n 3 modulo 5 U22 U4 gt U1 gt In case of 2 units the rotation is as follow Week __ Example Unit rotation Week n modulo 2 U1 gt U2 gt U4 gt Week n 1 modulo 2 Week 2 I3U4 0 gt 102 U22 U4 gt 033 U1 CLIMATICTM50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 47 CL50 NEOSYS IOM 0609 E Master Slave outlet temperature outside temperature Function may be configured using set points 3914 3915 The outlet and outside temperatures used for the unit control can be determined from the following calculations Not Used gt Each machine regulates with its own sensors M S Temp Slave units regulate with the values of the Master unit probes or sensors M S Aver All the units regulate with the average of the values of the probes or sensors on the bus To calculate the averages the number of units connected must be entered in set point 3912 In all modes each unit is independent for fault management 3911 pLan address see chapter Configuring the pLan address of the BM50 3912 Number of cards connected or number of compressors desired 3913 gt Master Slave Mode Not Used None Casde Twins Cascade Twins mode CasdeChain Cascade Chain mode BackTwins Back up Twins mode BackChain Back up Chain mode Rol BackTwins Back up Twins mode weekly rotatio
4. 3125 Year 3126 gt Enable automatic switch summer time winter time SCHEDULING Function Controlling operation of the unit according to the time and day Description Climatic 50 can handle 4 time zones over the 7 days of the week e Zone unoccupied Night e Zone A Day e Zone B Day e Zone C Day Starting time hours and minutes of each of these zones for each days of the week can be set using menus 3211 to 3214 press PRG key to change day Each set point integrates the hour and minute s adjustment thus a value of 8 3 equal 8 30 a m 3211 Hour minute of the night starting time unoccupied 3212 Hour minute of the day starting time 3213 Hour minute of the day B starting time 3214 Hour minute of day C starting time 8h00 12h00 13h50 20h30 22h00 CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 10 CL50 NEOSYS IOM 0609 E LIST SET POINT BY ZONE Change over control Cooling Heating priority For each time zone the set following set points following can be modified DISPLAY DISPLAY CONFORT MAINTENANCE Water temperature Cooling Water T Set point A Cooling Water T Set point B Cooling Air Ambient T Set point A Cooling Air Ambient T Set point B DL Ves Yes Ves Ves Ves Heating Water Set point A Yes Heating Water T Set point B Yes Heating Ai
5. In order to anticipate the reference point is recalculated each time the difference between air temperature and set point reach a minimum or a maximum In any cases for a chiller if the low water temperature limit is reached compressors are stopped Moreover the set point 3325 limits the power factor in cooling mode and the set point 3335 set point limits the power factor in heating mode The control calculates the difference between the Inlet and Outlet water temperature Example For a unit with 2x2 scroll compressors with four steps 25 0 by stage if the 3326 set point is equal to 5 C then 514 1 25 C and if the chilled water Inlet temperature set point is equals to 7 C the power factor can go up to the 25 0 1 stage only if T Inlet gt SP Water 3321 1 25K Then the power factor can go up to the 50 0 2 stages only if T Inlet gt SP Water 3321 2 5 2x1 25K and SO CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 16 CL50 NEOSYS IOM 0609 E COMPRESSORS Function From a outlet temperature need Capacity Factor the compressors are started and stopped with a determined sequence in order to minimize the anti short cycle protection effect and to equalize the operating time Description Compressors Start Stop sequences This sequence is set by the memorized compressor operating time and it also includes the other compressors back up function
6. b vor l paw 50 on connector C DC50 on connector A DS50 on connector Jumpers Displays are supplied directly by the Climatic board with 30Vdc Take particular care at the path this 30V is taking when several boards are being used J14 and J15 can switch on or off the direct current from the power supply J14 and J15 set between1 2 Connectors C and screw connector SC are in parallel Power is supplied to all connectors J14 and J15 set between2 3 Connectors B and C are powered in parallel but connector A and screw connector SC are not Displays connected to these ports will not be powered If J14 and J15 are set in different positions the terminal connection board DT50 DOES NOT WORK and so the connected displays do not operate Ferrites Protection of Display To avoid the appearance of disturbances HF which can cause the destruction of components in the displays you must equip the cable with a ferrite when installing it provided by Lennox CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 6 CL50 NEOSYS IOM 0609 E Remote DC50 FERRITE N 2 COMMUNICATION MASTER SLAVE The intercard bus is connected to Climatic 50 on J11 connector of board BM50 A star connection is not recommended for an optimum operation it is advised to connect a maximum of two
7. press the Alarm button directly wherever you are in the menu tree The history can store the last 32 alarms occurring on the unit Each alarm is memorised at the date and time of occurrence of the fault An active alarm is signified by the symbol An acknowledged alarm is signified by the symbol Each alarm is signified by a 3 digit code see ERROR CODES Press the Alarm button to reset all the alarms if possible The number of active alarms returns to 0 no active alarm is shown in the menu and the Alarm button is no longer illuminated Pressing the Alarm key for more than 10 seconds resets the history of the 32 alarms to zero To highlight the title of the error code position the cursor over the line desired with buttons Tor 4 then confirm with button Use the Esc button to return to the previous levels of the menu tree To changed a parameter on a set point Select the SET POINTS line from the main menu then navigate to the sub menus until the desired set point is displayed e g 3120 Position the cursor over the line desired e g 2 then confirm with button 1 Screen 5 14 is used to change set point e g Minutes p 3122 The maximum and minimum thresholds for the parameter are displayed on the right of the screen as well as the predefined default value With button T or 4 set the desired value and confirm with button lt Use the Esc button to return to the previous levels of t
8. C This can be adjusted with set point 3221 and 3222 3221 gt Bottom of the slope C Anticipation starting point 3222 gt Slope in Minutes of anticipation per degrees Example Unit with day A starting at 8 00 am 3221 set to 3 C and 3222 set to 10 mn C If the outside temperature is O C then Day A will start at 7 30 a m CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 12 CL50 NEOSYS IOM 0609 E LENNOX CHANGE OVER REVERSIBLE UNITS ONLY Function For reversible units only this allows the reversible units to change automatically from winter to summer operation Description This function will change the unit from production of hot water to production of chilled water automatically and can be set up with following set points 3311 Change over mode according to following values Cool Only Unit operating in cooling mode only Heat Only Unit operating in heating mode only Auto gt Automatic change over according to the settings 3312 8 3313 Pumps are running in dead zone Auto Stop gt Automatic change over according to the settings 3312 amp 3313 Pumps are stopped in dead zone 3312 Change over winter setting The set point 3312 is the outside air temperature under which the unit will operate as a heat pump 3313 Change over summer setting The set point 3313 is the outside air temperature over which the unit will ope
9. Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 28 CL50 NEOSYS IOM 0609 E LENNOX Electrical Heater s Elements Error code 011 Description A safety remote signal is sent to indicate a problem with the electric heater s Action Heating elements switch off immediately Fault signalling Memorisation is displayed Reset Manual reset Solving the problem Problem with the external material which managed the heater s Check the connections Problem with the wiring of the heating elements Check the connections CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 29 CL50 NEOSYS IOM 0609 E LENNOX Insufficient Flow Rate Provided by the Pump Error code 001 040 Description Pump k supplying flow rate to the evaporator has been ordered to start for 20 seconds The flow switch F S E is detecting insufficient flow rate in the heat exchanger for more than 30 seconds Action 1 The unit only INGLE pum Immediate shut down of compressors and pump Fault signal 001 is signalling The remote fault signal is delayed by 2 minutes he unithandles DOUE pumps and the Norma afetvy mod or Clock has been activateg e Immediate shut down of pump X Start up of the 2nd pump refer to EVAPORATOR PUMP S CONTROL section for more details Ifthe F S E is detecting a flow rate then the fault 040 is signallin
10. For a better electromagnetic protection LENNOX recommends the use of LiYCY P cable CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version CL50 NEOSYS IOM 0609 E 8 CONFIGURATION Function LENNOXO proposes a parametric designed software for the NEOSYS chillers amp Heat pumps ranges For a first use before any operation of the unit Climatic 50 must be set with parameters in accordance to the range the size and the various options of the unit Description The unit configuration is done with following menus refer also to Menu Tree chapter 3811 Unit range choice NAC NAH NSR NEOSYS air water cooling only NEOSYS air water reversible heat pump Non standard request unit 3812 gt Unit size choice 3813 gt Unit with or without Electronic Expansion valve 3821 gt Evaporator pumps configuration No single or double SOFTWARE 050 STD Vers 050 STD Vers 050 STD Vers 050 STD Vers 050 STD Vers 050 STD Vers 050 STD Vers 050 STD Vers 050 STD Vers 050 STD Vers 050 STD Vers 050 TWN Vers NA050 TWN Vers NA050 TWN Vers NA050 TWN Vers 050 TWN Vers 03 0 Rev 00 0 03 0 Rev 00 0 03 0 Rev 00 0 03 0 Rev 00 0 03 0 Rev 00 0 03 0 Rev 00 0 03 0 Rev 00 0 03 0 Rev 00 0 03 0 Rev 00 0 03 0 Rev 00 0 03 0 Rev 00 0 01 0 Rev 00 0 01 0 Rev 00 0 01 0 Rev 00 0 01 0 Rev 00 0 01
11. Name NV Type NV Direction Index Description 0550 UNIT WCool 1 BMS Occupation Water SP Required water ANL 2 i ANL 2 LSp WHeat 1 BMS Occupation Water SP Required water O Sp WHeat 1 BMS temperature in Heating set point Inoccupation Water SP Required water temperature in C Cooling set point Sp WHeat 1 Uno Inoccupation Water SP Required water O Sp WHeat 1 Uno temperature in Heating set point INTEGER DATA Cnr 2 0 59 Rumun aus s ouput Usp choverems 8 mou 210 Nr s Sp 8 output 210 e owa 18 Temperature Inlet Water Temperature Outdoor Air Temperature Outlet Water Pressure High Circuit 1 Bar ma Pressure Low Circuit 1 Bar Pressure High Circuit 2 Bar Pressure Low Circuit 2 Bar Pressure High Circuit 1 Bar Pressure Low Circuit 1 Bar Pressure High Circuit 2 Bar ma Pressure Low Circuit 2 Bar BMS Activation of the control by a computer or an automat mode BMS is activated if this value is different from zero This value is decreased every second Unit without pump O Started 1 Stopped Unit with pump 1 Stopped 2 P1 Only 3 P2 Only 4 P1 N P2 S 5 P2 N P1 S 6 P1 P2 by clock Unit Change over 0 Cool Only 1 Heat Only 2 Auto Pump 3 Auto No Pump Unit Activation of the circuits 02C1 Only 1 C2 Only 22C1 C2 by clock sr
12. Sound Power Limit dBA Max 84 dBa 9 dBa OF ha 12h00 1700 2200 e he Climactic 50 can manage different strategies for the fan and compressors defined by the setting 3611 NOT USED QUIET QUIET This set point controls the fan capacity 96 and the compressors in case of condensing pressure too high Fan speed limit OOOO n mia wi pi nim km oma ius amp mud im Von 7 a dA Ses eee Max f dBa T RAA AEE ey ZE S Mm a mito Cun e TELLE n MCSE w lae PENNE EE lee enema etre ase eee COCK OOS ites we vee 00 NC HC Coe OZ ORAN CA M ge 202620202626 000020 20600 062600 20 996252000 200520252009 0052601 0r h00 12h00 17h00 22h00 If 3611 NOT USED there isn t any control of the capacity limit of the fan The capacity range is 0 100 If 3611 QUIET the Climactic 50 controls the capacity limit of the fan according to the set point 3612 In case of condensing pressure too high the controller unlocks the capacity limit to prevent from HP security alarm If 3611 QUIET the Climactic 50 controls the capacity limit of the fan according to the set point 3612 In case of condensing pressure too high the controller unloads a compressor to contain the
13. not used not used not used not used not used Alarm General alarm On Off Pump 1 On Off Pump 2 On Off Compressor 1 Circuit 1 On Off Compressor 2 Circuit 1 On Off Compressor 3 Circuit 1 On Off Compressor Heat pump Circuit 1 On Off Compressor 1 Circuit 2 On Off Compressor 2 Circuit 2 On Off Compressor 3 Circuit 2 On Off Compressor Heat pump Circuit 2 not used not used not used not used not used Dry contact Digital Input Free 1 BM50 J8 ID13 Dry contact Digital Input Free 2 BM50 J8 ID14 Dry contact Digital Input Free 1 BE50 J4 ID1 Dry contact Digital Input Free 2 BE50 J4 ID2 Dry contact Digital Input Free 3 BE50 J4 ID3 Dry contact Digital Input Free 4 BE50 J4 ID4 Water Cool Mode Operating not used Water Heat Mode Operating 68 ANALOGIC DATA hexa deci Rw Unit Description DS50 UNIT BMS Activation of the control by a computer or an automat 01H 1 R W 1721s BMS activated if this value is different from zero 3934 STD This value is decreased every second Unit without pump O Started 1 Stopped 3711 02 2 R W 1 1 Unit with pump 1 Stopped 2 P1 Only 3 P2 Only 4 P1 N P2 S BMS STD 5 P2 N P1 S 6 P1 P2 by clock 03H 3 did nin Only 2 Pump 3 Auto No Pump EUG dis 04H 4 R 121 not used STD 05H 5 DS T ko in C Cooling set point Eus STE 06H 6 E EI ccce in C Heating set poin
14. 3322 T doc S prr EIE Du 3323 3 3 24 Outdoor Temperature 226 309C Iculation of the chilled water int Calculated Set Point 3331 4 mA 40 3332 30 RARE 3333 3 34 Outdoor Temperature gt 19 NOTE Values are given only for indications The gradient can be positive or negative CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 15 CL50 NEOSYS IOM 0609 E LENNOX J THERMOSTAT Control principle Function Adjust and hold the fluid outlet temperature as close as possible to the set point by controlling the number of compressor stages depending on the thermal load of the system Description Climactic M50 controller calculates constantly the required capacity to reach the temperature set point This variable is called CAPACITY FACTOR CF and its value can vary from O to 100 It is directly linked to the number of control stages of the unit Thus for a unit with 4 stages of regulation the CF will start and stop a stage with the following values 0 25 50 75 100 It then evolves following the principles detailed in the diagram below case of chiller 2K CF INCREASES CF FROZEN Start more Capacity Stages IK Difference between the outlet water temperature and the OK set point CF FROZEN 2K v 4 4 Water Temperature 7 7 Change rate FAST SLOW SLOW FAST
15. 7 not used bit 8 not used bit 9 not used bit 10 not used bit 11 not used bit 12 Compressor Circuit 1 Electronic Expansion Valve bit 13 Compressor Circuit 2 Electronic Expansion Valve bit 14 not used bit 15 not used CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 72 CL50 NEOSYS IOM 0609 E LENNOX BMS Adresses Table Lon Works LOGICAL DATA maexemso Direction Description osso unr per sonun 95 mw 45 Don onon 1 o wu DGT 2 Sp Reset Reset Discharges the safety measures of the DGT O Sp Reset DGT 5 _Sp_Unoc BMS Activation of the Inoccupation mode Off O Od Comp 11 9 On Off Compressor 1 Circuit 1 O Od Comp 21 9 On Off Compressor 2 Circuit 1 7 8 m mna 3 5 5 5 5 3 95 n Off Compressor Circuit 1 95 On Off Compressor Heat pump Circuit 1 5 3 5 5 5 5 o 9 n Off Compressor pump Circuit 2 IOn Off Compressor 1 Circuit 1 por On Off Compressor 3 Circuit2 _ 2366 2 On Off Compressor 2 Circuit 2 On Off Compressor 3 Circuit 2 n Off Compressor 1 Circuit 2 4 ma CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 73 CL50 NEOSYS IOM 0609 E ANALOGIC DATA LENNDX Index BM50
16. 71H 113 R 10 1 0 c Temperature Temperature Free 1 BE50 J9 B1 72H 114 R 10 1 0 c Temperature Temperature Free 2 BE50 J9 B2 73H 115 R 10 1 0 c Temperature Temperature Free 3 BE50 J10 B3 74H 116 R 10 1 0 c Temperature Temperature Free 4 BE50 J10 B4 75H 117 R 151 not used 76H 118 R qs not used 77H 119 R 1 1 not used 78H 120 R 121 not used 79H 121 R 10 1 0 c EEV Current superheating value Circuit 1 TAH 122 R 10 1 0 c EEV Current superheating value Circuit 2 7BH 123 R 10 1 0 c not used 7CH 124 R 10 1 0 c not used 7DH 125 R 10 1 0 c not used 7EH 126 R 10 1 0 c not used Alarm bit 0 Flow switch bit 1 High Temperature Outlet bit 2 Low Temperature Inlet bit 3 Low Temperature Outlet bit 4 High Temperature Inlet bit 5 Pump 1 bit 6 Pump 2 TFH 127 R 10 1 0 bit 7 Real Time Clock bit 8 BE50 bit 9 not used bit 10 Probes amp Sensors bit 11 Fans Condenser Circuit 1 bit 12 Fans Condenser Circuit 2 bit 13 Fans Condenser Circuit bit 14 not used bit 15 not used Alarm bit Compressor Circuit 1 Electric Protection bit 1 Compressor Circuit 1 High Pressure bit 2 Compressor Circuit 1 Low Pressure or Freeze protection bit 3 lt Compressor Circuit 2 Electric Protection bit 4 Compressor Circuit 2 High Pressure bit 5 lt Compressor Circuit 2 Low Pressure or Freeze protection bit G not used 80H 128 R 1021 0 bit
17. CONNECTION Warning A wrong wiring of the display immediately damage it and or the main board BM50 The optional DC50 DM50 is designed to be mounted on the wall Fit the cable from the 50 board through the back piece Fasten the back piece to the wall using the rounded head screws supplied in the packaging Connect the cable from the main board on the connector on the back of the DC50 display Fasten the front panel on the back piece using the flush head screws supplied Finally fit the click on frame Display DC50 or DM50 is connected to the Climatic with the DT50 screw connector Connection must be carried out by the following cable o Cable length up to 300m AWG22 0 34 mm 2 pairs crossed with screen CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 5 gt CL50 NEOSYS IOM 0609 E o Cable length up to 500m LIYCY P 0 34 mm 2 2 pairs with general shield The cable length should not exceed 500m Fora better electromagnetic protection Lennox recommends the use of LiYCY P cable CONNECTION ON DT50 DERIVATOR DC50 DM50 Terminal connection board installation quide DT 50 The board is fitted with three telephone RJ12 plugs Ensure the board is correctly connected Standard connection is eh I F30Vde iat pair BM 50 F GNWD pair 3 Hx TN And paw A Ard p w 5 GAD end pair
18. HP pressure Fan Fan Fan speed NOT USED speed QUIET speed QUIET Compressor T ant J Unloading ax 0 Max 100 set Point i qe R e T CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 21 CL50 NEOSYS IOM 0609 E FREECOOLING OPTION Function Ensure optimum cooling capacity though the use of free cooling therefore reducing electrical consumption ATV21 BESO EE pup porc aes ee 0104 a VVV V Vh EN Vannes n PSP Description The freecooling fans are controlled by a PID algorithm They have a higher priority face to the compressors Once the freecooling is over 95 0 during 2min compressors are allowed to start according to the water thermostat algorithm cf previous part In case of decreasing of the freecooling capacity under 90 0 the thermostat capacity is lock to prevent from starting of a new step of compressors The freecooling is enable if the following conditions are satisfa The unit is ready On Off water flow no probe alarm etc e The freecooling driver is operating none alarm e T outside lt T inlet 3 C CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 22 CL50 NEOSYS IOM 0609 E CUSTOMIZED INPUT OUTPUT Function The Climactic 50 main board BM 50 and the optional expansion board BE 50 offers possibil
19. LENNOX technicians version e 42 CL50 NEOSYS IOM 0609 E LENNOX EEV Valve NOT Closed Error code 215 225 Description The expansion valve has not been closed once the shut down of the compressor Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling If a DS50 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display only of the 3rd daily fault Display of fault 215 Circuit 1 225 Circuit 2 Reset The safety device is automatically cancelled 2 minutes after activation The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Solving the problem Faulty expansion valve Check that the expansion valve is operating correctly Incorrect wiring or loose connection on the valve Check valve connections and wiring CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 43 CL50 NEOSYS IOM 0609 E LENNOX EEV Faulty Probe or Sensor Error code 216 226 Description One or more temperature probes or pressure sensors connected to the EEV Electronic Expansion Valve are short circuited cut or disconnected Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling Me
20. Tor 4 to move the cursor upwards or downwards The item selected is displayed in CAPITAL letters preceded by the symbol gt It can then be selected by pressing button lt A or symbol beside the number of the first or third line indicates the existence of one or more additional lines Thu MEET Examples S 6 to 5 9 show how the menu tree changes each time button from the menu is pressed Data 2000 lt General 2100 4 Temperature 2110 2111 Outside temperature 16 0 C 2112 Inlet temperature 12 0 C 2113 Outlet temperature 07 0 C Press Esc at any time sends to return to the previous level of the menu tree In the example shown above Esc must be pressed 3 times to return to the main menu 0000 CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 58 CL50 NEOSYS IOM 0609 E Alarms 1000 5 10 OS 450 service 1 ALARN palate dau i Settins Jula 85 J 2 85 87 18h52 125 LENNOX S 12 OS 50 5 13 Hand as Hin Hd d Start z A G dsd d da dh MHans24 8 LENNOX LENNOX In the event of an alarm on the unit the Alarm button is illuminated in red In the event of a filtration fault the Prg button is illuminated in yellow To display the alarm history of the unit position the cursor over the 1 Alarm line with buttons Tor 4 then confirm with button lt
21. button lt Select the value desired using button T or J To exit the configuration procedure and save the data select the OK No field choose Yes using buttons T or 4 and confirm by pressing Trm1 is reserved to allocate the DC50 to the BM50 Its value differs depending on the pLan address of the BM50 pLan Trm1 See the opposite table address of DC50 Its status is always Pr the BM50 Trm3 is reserved to allocate the DS50 to the BM50 Its value is always 32 Pc i If the terminal remains inactive no button is pressed for 30 seconds the configuration procedure is aborted automatically CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 51 CL50 NEOSYS IOM 0609 E DC50 COMFORT DISPLAY DC 50 comfort Auta 093 6 4 0 Cool Function This display is connected remotely it is intended for users with no technical knowledge This display gives access to general operating data of the unit It does not give access to detailed operating data It can be used to set or change the programming of the various time periods and the temperature set point for each period It also has the ability to set a 3 hours override and force an unoccupied mode or any other different time periods for a maximum of 7 days It displays a real time clock and the various fault signals Description Buttons ma Prg Access set points Up Access overrides
22. case of alarm on the unit the water control will continue and engage the next steps according to the availability of each unit Cascade Chain The units start in cascade one after the other and try to reach the water capacity demand The master unit manages the starting of each unit The power factor of the cooling heating capacity is calculated individually on each unit In case of alarm on the unit the water control will continue and engage the next unit according to the availability of each unit Back up Twins Rotating Back up Twins One of the units is selected in backup and is kept in standby In case of alarm on one of the operating units the unit in standby is allowed to start to replace the unit with alarm As consequence the faulty unit is stopped and declared in standby In case of more than 2 units the units running except the unit in standby are managed as same as Cascade Twins mode Back up Chain Rotating Back up Chain The back up functionality is the same as Back up Twins except that in case of more than 2 units the units running are managed as same as Cascade Chain mode The Climatic 50 manage rotation between the units declared for the Cascade or Rotating Back up modes every week according to the following table In case of 4 units the rotation is as follow Week Example Unit rotation Week n modulo 5 U1 gt U2 gt U32 U4 gt Week n 1 modulo 5 U4 gt U1 gt U22 U3 gt
23. cursor over period A With button Tor 4 set the start time for period A and confirm with button Position the cursor over period B With button Tor 4 set the start time for period B and confirm with button Position the cursor over period C With button Tor 4 set the start time for period C and confirm with button Position the cursor over the Uno period With button Tor 4 set the unoccupied period and confirm with button Position the cursor over period A Pressing the Esc returns to the main screen Select the day of the week by repeatedly pressing the Clock button It will revert back to the main screen after 15 seconds without any activity Major Alarm Sdc 8 5 conifer 25 8 Orn Alara MAJOR In the event of activation of a fault on the unit screen Sdc 8 is displayed Button Prg is illuminated All buttons are deactivated The only way to regain control of the DC50 is to resolve the fault on the unit To display the alarm history of the unit press button Sdc 9 CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 55 CL50 NEOSYS IOM 0609 E 9 Ep2 BH09Hr IlrhBr magrare ATLAS FEI Start stop Sdc 3 Do want to Bitch OFF Uniti H 1 week override LENNOX D The history can store the last 32 alarms occurring on the unit Each alarm i
24. if they are not available However for circuits with tandem compressors small big the compressor management favours the unit performance COP rather than the compressor operating time balance The compressor starts if all the following conditions are satisfied The remote ON OFF switch for the complete unit is ON The ON OFF control for the considered circuit is ON The water circulation flow has been detected for at least 1 minute The unit the circuit and the compressor don t have major faults The control requires the starting of the compressor The compressor has the lowest operating time among the stand by compressors The compressor has been switch OFF for at least 1 minute The compressor has not been brought into service for at least 5 minutes Each compressor state can be checked on the following menus 2312 2322 2332 2342 2352 and 2362 To check the operating time of each compressor use menus 2318 2328 2338 2348 2358 and 2368 To reset an operating time counter put the DS50 cursor on the line and press the key ENTER during 20sec Compressor operation authorization The Climactic 50 may limit the operation of the compressors according to the outdoor temperature As well the user may choose to limit the operation of the compressors by using contacts or the DS50 settings Outdoor temperature All compressors are automatically disabled if all the following conditions are satisfied e Th
25. the unit Off Unit OFF On Unit ON not used BMS Activation of the Inoccupation mode Off Occupation mode On Inoccupation mode not used not used not used not used GI R NN not used not used not used not used not used A D M M D M W W NZ not used Clock Read Update the internal clock board of the BM50 OFF Read hour 8 minute ON Write hour amp minute not used Dry contact Digital Output Free 1 BE50 J5 NO1 Dry contact Digital Output Free 2 BE50 J6 NO2 Dry contact Digital Output Free 3 BE50 J7 NO3 Dry contact Digital Output Free 4 BE50 J8 NO4 not used not used not used not used not used not used not used not used not used not used not used Alarm General alarm On Off Pump 1 On Off Pump 2 On Off Compressor 1 Circuit 1 On Off Compressor 2 Circuit 1 On Off Compressor 3 Circuit 1 On Off Compressor Heat pump Circuit 1 On Off Compressor 1 Circuit 2 AJ W M D M M NW M M NM W M M M MW W M M DD On Off Compressor 2 Circuit 2 CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 66 CL50 NEOSYS IOM 0609 E On Off Compressor 3 Circuit 2 On Off Compressor Heat pump Circuit 2 not used not used not used not used not used Dry contact Digital Input Free 1 BM50 J8 ID13 Dry contact Digital Input Free 2 BM50 J8 ID14 Dry contact Digital Input Free 1 BE50
26. valve failure Check the wiring of the expansion valve Incorrect wiring of the probe or sensor Check the wiring of the probe or sensor CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 41 CL50 NEOSYS IOM 0609 E LENNOX EEV L O P LOW OPERATING PRESSURE Error code 214 224 Description The suction pressure expressed in C measured by the E E V Electronic Expansion Valve driver is outside the permitted value Low limit of suction pressure suction pressure lt safety threshold Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling If a DS50 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display only of the 3rd daily fault er Display of fault 214 Circuit 1 224 Circuit 2 Reset The safety device is automatically cancelled 2 minutes after activation The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Solving the problem Not enough refrigerant in the circuit Adjust the refrigerant charge Faulty expansion valve Check that the expansion valve is operating correctly Faulty low pressure switch Replace the low pressure switch CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use
27. 0 Rev 00 0 3822 gt Installation glycol percentage 3823 gt Option free Cooling or not 3824 gt Option heat recovery or not 3825 gt Option power factor correction or not NAC 340 STD NAC 380 STD NAC 420 STD NAC 480 STD NAC 540 STD NAC 600 STD NAC 640 STD NAC 680 TWN NAC 760 TWN NAC 840 TWN NAC 960 TWN NAC 1080 TWN dnt 3831 3832 3833 3834 gt Parametric digital output configuration of extension board BE5O 1 to 4 3841 3842 3843 3844 gt Parametric digital input configuration of extension board BE5O 1 to 4 3851 3852 3853 3854 gt Parametric analog input configuration of extension board 50 1 to 4 3861 Restore the standard Lennox settings or not This parameter don t modify the settings 38xx CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version CL50 NEOSYS IOM 0609 E SCHEDULING CLOCK SETTING CLOCK SETTING Function Climatic 50 has a real time clock board allowing dates and hours functionalities weekly program event recording Description Menus 3121 to 3125 give the possibility of setting the internal clock The day of the week is calculated by Climatic 50 For the countries of the Euro the controller allows the automatic swing of the hour summer in hour winter and vice versa This functionality can be cancelled by menu 3126 3121 Hour 3122 gt Minute 3123 Day of the month 3124 Month
28. 1 EEV Probe Low Pressure or Suction Temperature 217 Circuit 1 EEV Motor 219 Circuit 1 EEV Battery 220 Circuit 2 EEV Driver 221 Circuit 2 EEV Low Superheat Temperature 224 Circuit 2 EEV L O P 225 Circuit 2 EEV Valve NOT Closed 226 Circuit 2 EEV Probe Low Pressure or Suction Temperature 227 Circuit 2 EEV Motor 228 Circuit 2 EEV E E P R O M CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 26 CL50 NEOSYS IOM 0609 E LENNOX Insufficient Evaporator Water Flow Rate Error code 001 Description The flow switch FSE is detecting a low water flow rate in the evaporator heat exchanger for more than 3 seconds Action Immediate shut down of the complete unit Fault signalling Reset The unit restarts automatically 2 minutes after the onset of failure The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Solving the problem Problem with the pump control wiring Check the pump connections Problem with the flow switch wiring Check the flow switch connections Dirty or clogged water filter Clean the water filter Wrong setting of the flow switch Check the flow switch settings Problem with the pump control wiring Check the pump connections CLIMATIC 50 Chiller Heat Pump NEOSYS Internal us
29. 2 COMP 1 2341 2342 2343 2344 2345 2346 2347 2348 2350 CIRC 2 COMP 2 2351 2352 2360 CIRC 2 COMP 3 2353 2354 2400 EEV 2410 CIRCUIT 1 2420 CIRCUIT 2 2355 2356 2500 FAN 2510 CIRCUIT 1 2520 CIRCUIT 2 2357 2358 2600 OPTION 2610 COOL 2611 PUMP 2612 Item CONFIG STATUS SW STATE SW RELAY SW HP SW LP VALVE RUN TIME CONFIG STATUS SW STATE SW RELAY SW HP SW LP VALVE RUN TIME CONFIG STATUS SW STATE SW RELAY SW HP SW LP VALVE RUN TIME CONFIG STATUS SW STATE SW RELAY SW HP SW LP VALVE RUN TIME CONFIG STATUS SW STATE SW RELAY SW HP SW LP VALVE RUN TIME CONFIG STATUS POSITION CONFIG STATUS POSITION CONFIG STATUS SW STATE MODE VALUE MAXIMUM CAPACITY CONFIG STATUS SW STATE MODE VALUE MAXIMUM CAPACITY CONFIG STATUS 1 CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version CL50 NEOSYS IOM 0609 E UNIT List List OFF ON OFF ON OFF ON OFF ON OFF ON Hour List List OFF ON OFF ON OFF ON OFF ON OFF ON Hour List List OFF ON OFF ON OFF ON OFF ON OFF ON Hour List List OFF ON OFF ON OFF ON OFF ON OFF ON Hour List List OFF ON OFF ON OFF ON OFF ON OFF ON Hour List OFF ON List OFF ON List List OFF ON List C List List OFF ON List C List List LENNOX MIN MAX FACTORY 62 LENNOX 2613 STATUS 2 List 2614 SW STATE OFF ON 2615 SW
30. 32 471 800 4 380 44 461 87 79 POLAND UNITED KINGDOM AND IRELAND 48 22 58 48 610 44 1604 669 100 Distributors and Agents Algeria Austria Belarus Botswana Bulgaria Cyprus Denmark Estonia Finland Georgia Greece Hungary Israel Italy Kazakhstan Latvia Lebanon Lithuania Morocco Near East Norway Romania Serbia Slovenia Sweden owitzerland Tunisia Turkey LENNOX DISTRIBUTION z 33 4 72 23 20 00 Due to Lennox s ongoing commitment to quality the Specifications Ratings and Dimensions are subject C to change without notice and without incurring liability Improper installation adjustment alteration service or maintenance can cause property damage or personal injury CL50 NEOSYS IOM 0609 E Installation and service must be performed by a qualified installer and servicing agency
31. 35 CL50 NEOSYS IOM 0609 E LENNOX Compressors shut down on LP Cut OFF Error code 117 127 Description The low pressure switch off the circuit has been open for 2 minutes while one of the compressors on the circuit has operated The low pressure switch off the circuit has been opened for 1 hour Action Immediate shut down of the compressors on the failure circuit concerned e Fault signalling If a 550 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display only of the 3rd daily fault er Display of fault 117 Circuit 1 127 Circuit 2 Reset Automatic reset of the fault as soon as the low pressure becomes greater than the safety pressure switch cut off limit The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Solving the problem Not enough refrigerant in the circuit Adjust the refrigerant charge Faulty expansion valve Check that the expansion valve is operating correctly Faulty low pressure switch Replace the low pressure switch CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 36 CL50 NEOSYS IOM 0609 E LENNOX Compressors shut down on HP Cut OFF Error code 115 125 Description During start up or operation of a compressor
32. 3H 16H 0AH OBH Other 3924 gt Communication watchdog CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 49 CL50 NEOSYS IOM 0609 E LENNOX gt Configuring the BM50 pLan address Function It may be necessary to change the address of the BM50 card on the pLan network mainly in the case of Master Slave installation To do this use the following procedure Description Set the address of the DS50 display to 0 Sds 1 Access the configuration mode by pressing the buttons T 4 for at least 5 seconds until the Sds 1 screen appears Press button lt to position the cursor over the Setting line With the T or J button set the address of the display to 00 instead of the standard value of 32 and confirm with button D3 50 service The Sds 2 screen appears h Diarlas anded LENNOX Changing the address of BM50 Sds 3 Switch the power supply to the BM50 card off then on again after 5 seconds When the Sds 3 screen appears press the Alarm and T buttons for 5 seconds L3 570 service increaar decrmesm aave amp exit LENNOX The Sds 4 screen appears Press the button to position the cursor over the pLan address line With button T or 4 set the desired address 1 to 12 and confirm with button LENNOX Reset the original
33. 95 04 C 2 Comp State J13 NO4 C 2 Comp 21 2 Low Pressure J5 ID5 C 2 Security HP J13 NO5 C 2 Comp 22 95 06 C 2 Fans State J13 NO6 C 2 Comp 23 Unit T Evap Inlet Unit T Evap Outlet Remote 95 07 J14 NO7 C 1 2 FanCom J15 N08 95 08 Unit Reset Alarm J15 C 1 V4V V2V Unit Outside T 97 09 Unit Flow Switch J16 NO9 Unit Pump 1 J 1D10 Unit Pump State J16 NO10 Unit Pump 2 J7 1ID11 C 1 2 Fans State J16 NO11 Unit Bottle J17 NO12 J7 1D12 Unit J17 NC12 C 2 VAV V2V J18 NO13 8 1013 BM50 Custom 1 J18 NC13 Unit Alarm J8 ID14 BM50 Climatic 50 Expansion Board DI DO J5 NO1 Disch T Comp 11 BE50 Custom 1 J5 NC1 Custom 1 J9 B1 Custom J4 Y1 50 Custom 2 Custom 2 NE Custom 2 BE50 Custom 3 Custom 3 BE50 Custom 4 4 4 V4V Reversing valve for heat pump unit only V2V Liquid valve for chiller unit without electronic expansion valve Option Power factor Correction If not electronic expansion valve CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 65 CL50 NEOSYS IOM 0609 E BMS Adresses Table ModBus BacNet Trend Carel LOGICAL DATA Description On Off General On Off of the unit Off Unit OFF On Unit ON Reset Discharges the safety measures of the unit BMS BMS On Off of
34. EDROMeccaca ci asc w r G R p MEE EEG 46 CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 2 CL50 NEOSYS IOM 0609 E waz tac idco to CONFIGURING THE BM50 PLAN ADDRESS ALLOCATION OF DISPLAYS TO THE 50 DCS50 COMFORT DISPLAY ecc 590 SERVICE DISPLAY a Racz ee ct een acc DS50 MENU cm CLIMATIC 50 INPUT OUTPUT BMS ADRESSES TABLE MODBUS BACNET TREND BMS ADRESSES TABLE LON CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 3 CL50 NEOSYS IOM 0609 E INTRODUCTION CLIMATIC 50 The new generation of microprocessor based control CLIMATIC 59 may be fitted to the Lennox Chiller or Heat pump range inherits 20 years of technology and field operating experience from its predecessors the CLIMATIC 4 and CLIMATIC 2 LENNOX has found the latest hardware technology available on the market place and developed software specifically designed for Chiller and Heat pump applications maximising the LENNOX unit s efficiency and performance Compatibility This documentation is compatible with the programs Chiller and Heat pum
35. EMPERATURE OUT OF RANGE 28 ELECTRICAL HEATER S 2 2 eden oae eee uic audeo era 29 INSUFFICIENT FLOW RATE PROVIDED BY THE PUMP eene nnn 30 PUMP S CIRCUIT BREAKER S OPEN cerent tentent tetra testata 31 FAULTY IN REAL TIME CLOCK nennen nnn 32 EXTENSION BOARD FAULT 50 32 FAULTY PROBES AND SENSORS O Gd cee 33 THE COMPRESSORS ELECTRICAL PROTECTION 34 FAN S CIRCUIT zasad ER m 35 COMPRESSORS SHUT DOWN ON LP CUT 36 COMPRESSORS SHUT DOWN ON HP CUT 37 EVAPORATOR FREEZING PROTECTION irerekcpx eh eee CREE Rd Ea 39 EEV ERROR moroi I E P I I M 40 EEV LOW SUPERHEAT 41 EEV L O P LOW OPERATING 42 EEV VALVE NOT CLOSED inre i 43 EEV FAULTY PROBE OR SENSOR seit edit ee x Cen V RUE CU VEU ees 44 EEVEAIEURE MOTOR Gibts ti E EC tesa pa GE i AAAA EAZA 45 EFVE
36. IC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 32 CL50 NEOSYS IOM 0609 E LENNDX Faulty Probes and Sensors Error code 078 081 083 085 111 112 121 122 Description One or more temperature probes or pressure sensors in the cooling systems or elsewhere are short circuited cut or disconnected Action Immediate shut down of the unit for error code 081 083 085 Immediate shut down of the failure circuit for error code 111 112 121 122 the other circuit still remain available Fault signalling Memorisation is displayed Reset The unit returns to normal operation after the signal from the faulty probes or sensors is re established Solving the problem Damaged probes or sensors Replace probe or sensor Incorrect wiring or loose connection on a probe or sensor Check probe and sensor connections and wiring CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 33 CL50 NEOSYS IOM 0609 E LENNOX The compressors Electrical Protection Error code 114 124 Description During start up or operation of a compressor The thermal magnetic trip breaker or the compressor internal protection from circuit concerned is tripped The phase rotation protection has detected an incorrect connection standard on screw compressor and available as a special request on other units Action Immediate shut down of the compressors on the
37. J4 ID1 Dry contact Digital Input Free 2 BE50 J4 ID2 Dry contact Digital Input Free BE50 J4 ID3 Dry contact Digital Input Free 4 BE50 J4 ID4 Water Cool Mode Operating not used R R R R R R R R R R R R R R R R R R R R R R R Water Heat Mode Operating On Off General On Off of the unit Off Unit OFF On Unit ON Reset Discharges the safety measures of the unit BMS BMS On Off of the unit Off Unit OFF On Unit ON not used BMS Activation of the Inoccupation mode Off Occupation mode On Inoccupation mode not used not used not used not used not used not used not used not used not used A W M NW M M M DA not used Clock Read Update the internal clock board of the BM50 OFF Read hour 8 minute ON Write hour amp minute not used Dry contact Digital Output Free 1 BE50 J5 NO1 Dry contact Digital Output Free 2 BE50 J6 NO2 Dry contact Digital Output Free 3 BE50 J7 NO3 Dry contact Digital Output Free 4 BE50 J8 NO4 not used CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version CL50 NEOSYS IOM 0609 E 67 CLIMATICTM50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version CL50 NEOSYS IOM 0609 E R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R not used not used not used not used not used
38. LENNOX User manual CLIMATIC 50 HAVE eee Providing indoor climate comfort CL50 NEOSYS IOM 0609 E Climatic 50 CHILLER amp HEAT PUMP FOR NEOSYS RANGE INSTALLATION OPERATING amp MAINTENANCE MANUAL Ref CL50 NEOSYS IOM 0609 E LENNOX have been providing environmental solutions since 1895 our range of rooftop and chiller continues to meet the standards that have made LENNOX a household name Flexible design solutions to meet YOUR needs and uncompromising attention to detail Engineered to last simple to maintain and Quality that becomes a standard Further Information on www lennoxeurope com All the technical and technological information contained in this manual including any drawing and technical descriptions provided by us remain the property of Lennox and must not be used except in operation of this product reproduced issued to or made available to third parts without the prior written agreement of Lennox The technical informations and specifications contained in this manual are for reference only The manufacturer reserves the right to modify these without warning and without obligation to modify equipment already sold CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 1 CL50 NEOSYS IOM 0609 E TABLE OF CONTENTS Page TABLE OF CONTENTS SEO AEO POECI AGOCZ CAGE 2 INTRODUC HON AA OO MUN 4 WINRINSCONNECTION S MU REMI
39. P2 Only 4 P1 N P2 S 5 P2 N P1 S 6 P1 P2 by clock Unit Change over 0 Cool Only 1 Heat Only 2 Auto Pump 3 Auto No Pump not used Occupation Water SP Required water temperature in C Cooling set point Occupation Water SP Required water temperature in C Heating set point Inoccupation Water SP Required water temperature in C Cooling set point Inoccupation Water SP Required water temperature in C Heating set point not used not used not used Clock Hour Clock Minute Clock Day of the month Clock Month Clock Year BMS Outlet temperature coming from the BMS not used BMS Outdoor temperature coming from the BMS not used not used not used not used not used not used not used not used not used not used not used not used not used Alarm Code Error Temperature Inlet Water Temperature Outdoor Air Temperature Outlet Water Temperature High Circuit 1 Temperature Low Circuit 1 Temperature High Circuit 2 Temperature Low Circuit 2 EEV Saturated evaporation temperature Circuit 1 EEV Saturated evaporation temperature Circuit 2 not used not used of opening Fan Modulation Circuit 1 CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version CL50 NEOSYS IOM 0609 E 71 110 12196 96 of opening Fan Modulation Circuit 2 6FH 111 R 1 1 notused 70H 112 R 1 1 notused
40. RELAY 1 OFF ON Menu Item Menu Item Menu Item Menu Item UNIT MIN MAX FACTORY 2616 SW RELAY 2 OFF ON 2617 RUN TIME 1 H 3000 SETTING 3100 GENERAL 3110 ORDER ON OFF OFF ON OFF ON OFF 3112 RUN OFF ON OFF ON ON 3113 RESET ALARM NO YES NO YES NO 3114 RESUME NO YES NO YES NO 3115 TEST List 3 0 3120 CLOCK 3121 HOUR 0 23 3122 MINUTE 0 59 3123 DAY 1 31 3124 MONTH 1 12 see 3125 YEAR 0 99 ze 3126 WIN SUM NO YES YES 3200 SCHEDULE 3210 TIME START INOC 3212 START ZA 3213 START Z B 3214 START 2 3220 ANTICIPATION 3221 FOOT Se 3300 CONTROL 3310 CHANGE OVER 3311 MODE ist 3312 WINTER 3313 SUMMER N ojo a R PRK RAR A N N a Qoo Ou i 19 50 3320 COOL 3321 SP WAT 1 17 7 3322 SP WAT 2 5 17 7 3323 SP OUT 1 10 3324 SP OUT2 10 3325 CONTROL 1 3326 1 3330 HEAT SP WAT 1 17 WATER 3332 SP WAT 2 17 3333 SP OUT 1 10 3334 SP OUT 2 10 3335 CONTROL 1 1 COOL LOW 3 3342 COOL HIGH o 3343 HEAT LOW 3 3344 HEAT HIGH o SAFETY 3400 COMPRESSOR 3410 CIRCUIT 3411 ENABLE C1 3412 ENABLE C2 List 3413 ROTATION CIR List 3420 SAFETY 3421 T SATU 3422 COND 351 e sso0 _EEv_ sto CONTROL 3610 CONTROL MODE LOW NOISE T COND 3620 DEFROST MODE T OUTSIDE T COIL TIME LIMIT TIME FC sm o
41. SE UR PRI MF ARA EGER R 5 CONFIGURATION sea e 9 SCHEDULING CEOCK SETTING acusa Du d EO Da 10 ANTICIPA muc cce 12 CHANGE OVER REVERSIBLE UNITS 13 EVAPORATOR PUMP S nnn 14 THERMOSTAT DYNAMIC SET POINT CALCULATE 11e eene enne nnne nnne nnn nnns 15 THERMOSTAT CONTROL PRINCIPLE nennen nnne nnn nnn nnn nnn nnn nnns 16 COMPRESSORJSJ cca citum IM C M MM AEO M RU UE EE 16 DEFROST REVERSIBLE UNITS ONLY oc o 18 SUPPLEMENT OF HEATING REVERSIBLE UNITS 19 CONDENSING FANS CONTROL ea esci e eb duce us pue Era Eu maie tha cen ii 20 SMART ACOUSTIC STSIEM Psiaki Rides uus 21 EREECOOLING OPTION ni ups ilo 22 CUSTOMIZED INPUTOUTPUT acc OG Eino i 23 STANDARD INPUT OUTPU T t duas best ead a coke 25 ERROR CODES ALARM Gz dot vv Deb Pase E cu rud EE PLN CELO SEN 26 INSUFFICIENT EVAPORATOR WATER FLOW RATE 27 CHILLED WATER T
42. TIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 60 CL50 NEOSYS IOM 0609 E 0550 MENU THREE Menu Item Menu Item Menu Item Menu Item UNIT LEN MIN MAX FACTORY ALARM OUTSIDE INLET OUTLET 2000 DATA 2100 GENERAL 2110 TEMPERATURE RESERVED 2120 CIRCUIT 1 2121 2122 2123 2124 2125 2126 2130 CIRCUIT 2 2140 OTHER 2150 OUT CUSTOM 2160 IN CUSTOM 2170 IN CUSTOM 2200 CONTROL 2210 COOL WATER 2220 HEAT WATER 2300 COMPRESSOR 2310 CIRC 1 COMP 1 2311 2312 2313 2314 2315 2316 2317 2318 OFFSET WAT COND ELEC BOX TSUPERHEAT T SATU T SUCT P COND P SATU T DISCH 11 T DISCH 12 T SUPERHEAT T COND T SATU T SUCT P COND P SATU T DISCH 21 T DISCH 22 SW ON OFF SW FLOW SW RESET SW INOC RSP COOL CAPA COOL OFFSET SW 2 SP RSP HEAT CAPA HEAT OFFSET SW 2 SP CONFIG STATUS SW STATE SW RELAY SW HP SW LP VALVE RUN TIME C C C C C C Bar Bar OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON C C OFF ON C C OFF ON List List OFF ON OFF ON OFF ON OFF ON OFF ON Hour CLIMATIC TV 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version CL50 NEOSYS IOM 0609 E 61 2320 1 2 2330 CIRC 1 COMP 3 2340 CIRC
43. The HP pressure switch of the circuit is open The internal protection of a compressor in the circuit has tripped The flow thermostat of a compressor in the circuit has tripped Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling If a DS50 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display only of the 3rd daily fault er Display of fault 115 Circuit 1 125 Circuit 2 Reset The safety device is automatically cancelled 4 minutes after activation The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Important For manual reset of internal protection cut off if the problem comes from a high discharge temperature wait for 30 min prior to any manual reset to allow the scroll temperature to decrease sufficiently If the temperature is still too high the compressor will trip again just after starting Solving the problem Dirty condenser Clean the condenser Fan out of order Replace the fan Incorrect wiring of the high pressure switch Check the wiring of the high pressure switch CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 37 CL50 NEOSYS IOM 0609 E LENNOX 4 way reversing valve locked Error c
44. address of the DS50 32 using the above procedure CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 50 CL50 NEOSYS IOM 0609 E Allocation of Displays to the BM50 Function Ensure there is a good connection between the BM50 and its displays Description For each Climatic 50 card the following setting must be made using the DS50 Disconnect the pLan bus at J10 and J11 and connect the DS50 directly to J10 of the BM50 Sds 1 Access the configuration mode by pressing buttons T 4 E MEE for at least 5 seconds until the Sds 1 screen appears Press the button to position the cursor over the Setting line Press button lt again to position the cursor over the I O board adress line With button T 4 replace with the address of the BM50 connected and confirmed with button lt The Sds 5 screen appears Press button Terninal runt 14 Press io continue The Sds 6 screen appears The field P XX shows selected pLan address In this example the value 01 has been selected The fields in the Adr column represent the addresses of the terminal displays associated with this BM50 while the Priv Shared column indicates the status of the selected terminal Pr Private Sh Shared Sp Shared Printer N A DS 50 aerrica IP Ai dr Priv Sharced LENNOX Move the cursor from field to field using
45. and the settings is 3851 gt Setting for the analog input on the connector BE50 J9 B 1 3852 Setting for the analog input on the connector BE50 J9 B2 3853 Setting for the analog input on the connector BE50 J10 B3 3854 Setting for the analog input on the connector BE50 J10 B4 The following items can be used for each input Not Used Not used S P Water Water set point 4 20mA signal S P Offset Water set point offset 4 20mA signal Free NTC Free temperature probe connection Water set point cooling heating 4 20mA signal 4 20mA Signal NTC NE Prob Example BE50 J9 B1 BE50 J9 B2 B1 B2 GND 4Vdc 45V Ref The 4 20mA signal sent to the unit is linearly converted using the 2 water temperature set points To increase the precision you can customize 2 range of water set point according to the cooling or heating mode operating Calculated Calculated Set Point COOLING MODE AA HEATING MODE 3322 3552 18 C 40 3321 T 4 20 Signald Z0mA 3331 EIN 0 cH signal 4 20 CLIMATIC TV 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 24 CL50 NEOSYS IOM 0609 E LENNOX Water set point offset 4 20mA signal The 4 20mA signal sent to the unit is linearly converted using a 5K to 5K range of temperature set point Calculated Calculated Set Point COOLING MODE Sar Poni HEATING MODE 3322 5K 3332 SK 3321 5K 3331 5K
46. ay are inhibited and the word Lennox 15 displayed Presa Pra ta start SR This disappears as soon as the DS50 is disconnected from the BM50 LENNOX This S 3 screen indicates the versions of the software loaded in the BM50 In this example it shows us A version 050 01 NA NEOSYS program A version 4 22 Bios A version 4 03 Boot In the case of a specific program for one job NSR this is identified by the display of a factory number to the left of the S 4 program version Language selection Twelve languages are currently available DE DK FR GB IT NL PL PT RO SE SP TR but only 2 are installed in the factory English xxx The language required must therefore be specified at the time of ordering If required another language can be downloaded on site by a Lennox technician With button Tor Vselect English or the second language initially loaded and confirm with button lt To continue without changing the language press the Prg Esc or buttons CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 57 CL50 NEOSYS IOM 0609 E LENNOX Navigation in the screens Main menu 0000 botanic The four digits in brackets indicate the number of the current menu The two digits beside the brackets indicate pLan number of selected card The display on the right indicates the period of operation and the current time conditions Scrolling the menus Press button
47. be used for each output Free Dry Contact Not Used Contact not used C 1 Alarm Alarm on circuit N 1 C 2 Alarm Alarm on circuit 2 Fans Al Alarm on the condensing fan Pump Al Alarm on the pump Flow Al Alarm on the flow rate Heat Mode Unit operating in heating mode Reversible unit only C 1 10096 Circuit N 1 running at full load compressors Jd C 2 10096 Circuit N 2 running at full load compressors U 100 Unit running at full load Circuits 182 E U On Unit ready to start Z A Unit operating Zone A BE50 J5 NO1 2 Unit operating Zone Z C Unit operating Zone C Uno Unit operating Zone Unoccupied Bms Unit operating Zone BMS Free Free for BMS acting Elec H Electrical heaters up to 4 Reversible unit only CLIMATIC TV 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 23 CL50 NEOSYS IOM 0609 E DIGITAL INPUTS DRY CONTACTS Electrical characteristics 24Vac or 24Vdc 50 60Hz LENNOX The corresponding between the connectors and the settings is 3841 Setting for the digital output on the connector BM50 3842 Setting for the digital output on the connector BM50 J8 ID 13 J8 ID 14 3843 gt Setting for the digital output on the connector BE50 J4 ID1 3844 Setting for the digital output on the connector BE50 J4 ID2 3845 Setting for the digital output on the connector BE50 J4 ID3 3846 gt Sett
48. bit G not used bit 7 not used bit 8 not used bit 9 not used bit 10 not used bit 11 not used bit 12 Compressor Circuit 1 Electronic Expansion Valve bit 13 Compressor Circuit 2 Electronic Expansion Valve bit 14 not used bit 15 not used BMS Activation of the control by a computer or an automat Mode BMS is activated if this value is different from zero This value is decreased every second CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 70 CL50 NEOSYS IOM 0609 E 42H 43H 44H 45H 46H 47H 48H 49H 4AH 4BH 4CH 4DH 4EH 4FH 50H 51H 52H 53H 54H 55H 56H 57H 58H 59H SAH 5BH 5CH SDH SEH SFH 60H 61H 62H 63H 64H 65H 66H 67H 68H 69H 6BH 6CH 6DH 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 R W R W R W R W R W R W R W R W R W R W R W R W R W R W R W R W R W R W R W R W R W R W R W R W R W R W R W A W M M M M NM M M M 72 10 1 0 c 10 1 0 c 10 1 0 c 10 1 0 c 1 2001 10 1 0 10 1 0 c 121 10 1 0 10 1 0 c 10 1 0 c 10 1 0b 10 1 0b 10 1 0b 10 1 0b 10 1 0b 10 1 0b 10 1 0b 10 1 0b 1 1 Unit without pump O Started 1 Stopped Unit with pump 1 Stopped 2 P1 Only 3
49. cables per unit Connection must be carried out by the following cable Cable length up to 300m AWG22 0 34 mm 2 pairs crossed with screen Cable length up to 500m LiYCY P 0 34 mm 2 2 pairs with general shield The cable length should not exceed 500m For a better electromagnetic protection Lennox recommends the use of LiYCY P cable Warning The power 24Vac of boards BM50 should not be connected to the earth CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 67 CL50 NEOSYS IOM 0609 E BMS COMMUNICATION WE BM50 SERIAL CARD BM40 SERIAL CARD I l GHD GHD I zE m ERG ccc eee TN bs Jn 50 SERIAL CARD GHI R5485 MODBUS LON WORKS FTT 10 The communication bus is connected to Climatic 50 Serial Card daughter board on the BM50 A star connection is not recommended for an optimum operation it is advised to connect a maximum of two cables per unit In case of RS485bus a resistance of 1200 1 4W can be connected on the last unit between the terminals and SEWAL CARD GAO 9 3 Connect a 120 ahma TAD and ling resistar Only far Madbus Connection must be carried out by the following cable Cable length up to 300m AWG22 0 34 mm 2 pairs crossed with screen Cable length up to 1000m LiYCY P 0 34 mm 2 pairs with general shield The cable length should not exceed 1000m
50. concerned Fault signalling Memorisation is displayed er Display of fault 218 Circuit 1 228 Circuit 2 Reset The unit returns to normal operation after the signal from the faulty probes or sensors is re established Solving the problem Power supply of the driver Check the connections wiring and voltage supply value CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 46 CL50 NEOSYS IOM 0609 E MASTER SLAVE Function Link several units in order to allow a Master Slave relationship between each unit In case of Twins unit NAC 680 760 840 960 1080 the master slave settings must be configured Description Configuration of the pLan network To configure the addresses of the cards for the pLan network see chapter Configuring the pLan address of the BM50 For the pLan network each unit must have a different address Unit 1 Master unit Units 2104 gt Slave units Master Slave Modes Several master slave modes are available and may be configured by using set points 3913 Cascade Twins All units start stop in same time and try to reach the water capacity demand The master unit manages the increasing of capacity and tries to equalise the step s compressor s engaged The decreasing of step s is controlled individually by each unit The power factor of the cooling heating capacity is also calculated individually on each unit In
51. d of opening Fan Modulation Circuit 1 of opening Fan Modulation Circuit 2 not used not used 10 1 0 c Temperature Temperature Free 1 BE50 J9 B1 10 1 0 c Temperature Temperature Free 2 BE50 J9 B2 10 1 0 c Temperature Temperature Free 3 BE50 J10 B3 10 1 0 c Temperature Temperature Free 4 BE50 J10 B4 not used not used not used not used 10 1 0 c EEV Current superheating value Circuit 1 10 1 0 c EEV Current superheating value Circuit 2 10 1 0 c not used 10 1 0 c not used 10 1 0 c not used R R R R R R R R R R R R R R R R R R R R R R R R 10 1 0 c not used Alarm bit O Flow switch bit 1 High Temperature Outlet bit 2 Low Temperature Inlet bit 3 Low Temperature Outlet bit 4 High Temperature Inlet bit 5 lt Pump 1 bit 6 Pump 2 bit 7 Real Time Clock bit 8 BE50 bit 9 not used bit 10 Probes amp Sensors bit 11 Fans Condenser Circuit 1 bit 12 Fans Condenser Circuit 2 bit 13 Fans Condenser Circuit bit 14 not used bit 15 not used Alarm bit Compressor Circuit 1 Electric Protection bit 1 Compressor Circuit 1 High Pressure bit 2 Compressor Circuit 1 Low Pressure or Freeze protection bit 3 lt Compressor Circuit 2 Electric Protection bit 4 Compressor Circuit 2 High Pressure bit 5 lt Compressor Circuit 2 Low Pressure or Freeze protection
52. defrost cycle is activated for the cyclic mode and defrost cycle activation sensibility for the dynamic mode standard ratio between dry coil AT and iced coil AT 3624 gt Minimum compressors operating time between 2 defrosts 3625 gt Number of times the fans restart depending on according to pressure CLIMATICTM50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 18 CL50 NEOSYS IOM 0609 E SUPPLEMENT OF HEATING REVERSIBLE UNITS ONL Y Function The heat pump units allows to control supplementary of heating capacity providing dry contacts to connect up to 4 electrical heaters on the expansion board BE50 driven by the Climactic 50 The supplement of heating stages are started and stopped with a pre determined order See the complete description below Description Operation priority Compressors Additional heating From factory setting in heat pump mode Climatic V50 starts compressors first and then if necessary starts additional heating The electrical heaters start if all the following conditions are satisfied The remote ON OFF switch for the complete unit is ON The ON OFF control for the considered circuit is ON The unit is running in heating mode The water circulation flow has been detected for at least 1 minute The unit doesn t have major faults The unit is at full load all available compressors are running for at least 2 minutes The pre determined order for act
53. desired and confirm with button lt In this example the unit will remain in the unoccupied period on Tuesday when confirmed until midnight on Thursday CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 56 CL50 NEOSYS IOM 0609 E LENNOX Y DS50 SERVICE DISPLAY Function This plug and play type display is intended for maintenance technicians Description Buttons m Alarm summarises the Alarm menu m Up scrolls the menu upwards or increases the value El Prg Changes the time period Enter confirms the selection Esc Returns to the previous screen Down scrolls the menu downwards or reduces the value Brightness Contrast The display has a set contrast but it can be adjusted manually To set the contrast manually press the Alarm and Prg buttons simultaneously and press buttons T and J to increase or decrease the contrast Start up screens The DS50 display is provided to communicate with all the BM50s connected to the pLan bus alternately On activation of the display screen 5 1 the line Unit line requests entry of the pLan number of the desired BM50 With button Tor with the address of the BM50 and confirm with button DS 50 service The S 2 screen appears Press the Prg button or any other button to continue TEE If a DC50 is connected to the 50 the display and buttons on the SAO remote displ
54. e LENNOX technicians version 27 CL50 NEOSYS IOM 0609 E LENNOX Chilled Water Temperature Out of Range Error code 012 013 022 023 024 Description The chilled water temperature Inlet or Outlet measured by the probe is outside the permitted range This range can vary according to the presence or not of glycol with the chilled water factory setting Lower limit of water temperature water temperature lt safety threshold Upper limit of water temperature water temperature gt safety threshold 2112 gt Water inlet evaporator temperature 2113 gt Water outlet evaporator temperature 3341 gt Safety threshold lower limit of water evaporator temperature in cooling mode 3342 gt Safety threshold upper limit of water evaporator temperature in cooling mode 3343 gt Safety threshold lower limit of water evaporator temperature in heating mode 3344 gt Safety threshold upper limit of water evaporator temperature in heating mode 2116 gt Electrical box temperature Action No safety Fault signalling Memorisation is displayed Reset Automatic resetting of the fault as soon as the temperature reaches the permitted operating range Note After a change over switch the alarms 013 and 023 are disabled during 30min Solving the problem Temperature probe failed Replace probe or sensor Problem with wiring of probe Check the connections of the probe or sensor CLIMATIC 50
55. e T BP is lower than the set point 3421 for more than n minutes for reversible units only This safety feature is disabled for n minutes after start up or stop of a compressor on the considered circuit n 4 minutes during 15 min after starting of the circuit n 2 minutes after Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling If a 550 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display only of the 3rd daily fault er Display of fault 118 Circuit 1 128 Circuit 2 Reset The safety device is automatically cancelled 2 minutes after activation The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Solving the problem Dirty condenser Clean the condenser Fan out of order Replace the fan Incorrect wiring of the high pressure switch Check the wiring of the high pressure switch Dirty filter drier Replace the filter drier CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 39 CL50 NEOSYS IOM 0609 E LENNOX EEV Error Error code 210 220 Description The E E V Electronic Expansion Valve driver is not communicated with the Climatic 50 board on the pLAN network Action Immediat
56. e by people without valid training and qualifications Any external connection with the unit using 24Vac voltage should not exceed a length of more than 30m It concerns external contacts connected to Climatic 50 on logical inputs Over 30 m the installer must interface this information with relays or converters In any case the 24Vac control voltage must not be used to drive external function with Climatic 50 logical output WARNING Separate as much as possible probes displays logical input cables from power cables with strong inductive load in order to avoid possible electromagnetic perturbations CONNECTION SENSORS AND PROBES External sensors or probes connection must be carried out with the following cable o Cable length up to 20m AWG22 0 34 mm 1 pair crossed with screen o Cable length up to 50m LiYCY P 0 34 mm 1 pair with general shield he cable length should not exceed 50m Fora better electromagnetic protection Lennox recommends the use of LiYCY P cable DISPLAY DS50 The Display DS50 can be connected to the Climatic either on one of the RJ12 connectors located on the board DT50 or directly on the main board BM50 connector J10 Connection is carried out by the flat 1 5m cable delivered with this 0550 n any the case Display DS50 cannot be remotely connected n case of Master Slave installation one and only one display 0550 must be connected on the pLan bus DISPLAY DC50 Remote
57. e shut down of the compressors on the failure circuit concerned Fault signalling Display of fault 210 Circuit 1 220 Circuit 2 Reset The safety device is automatically cancelled once the communication is re established Solving the problem Wrong device address Check the address internal dip switch in the EEV Incorrect wiring of the EEV driver Check the wiring of the EEV driver CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 40 CL50 NEOSYS IOM 0609 E LENNOX EEV Low Superheat Temperature Error code 211 221 Description The superheat temperature measured by the E E V Electronic Expansion Valve driver is outside the permitted value Lower limit of superheat temperature superheat temperature lt safety threshold Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling If a DS50 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display only of the 3rd daily fault er Display of fault 211 Circuit 1 221 Circuit 2 Reset The safety device is automatically cancelled 2 minutes after activation The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Solving the problem Expansion
58. e unit is equipped with thermostatic expansion valve e The unit is operating in cooling mode The outside temperature is below 5 0 C High pressure unloading e High pressure unloading consists in reducing the circuit capacity by stopping one or more compressors on the concerning circuit before the high pressure reaches its limits in order to keep a partial capacity with high outdoor temperature DS50 Settings Stop one or several compressors of the unit defined by the settings 3411 3412 of the terminal 0550 If the compressor number is not displayed the compressor is disabled 3411 gt Compressors authorization on the circuit N 1 adjustment by zone 3412 Compressors authorization on the circuit N 2 adjustment by zone Free contacts Optional See Customized Input Output BE 50 Stop one of the two circuit of the unit all compressors on the concerning circuit defined by the setting of the free contact e Stop one or several compressors of the unit if the compressor number defined by the setting of the free contact CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 17 CL50 NEOSYS IOM 0609 E LENNOX DEFROST REVERSIBLE UNITS ONLY Function Avoid the evaporator icing external coil in heat pump operation in winter time Description To avoid the icing of the external air exchanger in winter operation it is necessary to reverse the refrigerant c
59. emperature Outlet bit 2 Low Temperature Inlet bit 3 Low Temperature Outlet bit 4 High Temperature Inlet bit 5 Pump 1 bit 6 Pump 2 bit 7 Real Time Clock bit 8 BE50 bit 9 not used bit 10 Probes amp Sensors bit 11 Fans Condenser Circuit 1 bit 12 Fans Condenser Circuit 2 bit 13 Fans Condenser Circuit 3 bit 14 not used bit 15 not used Alarm bit O Compressor Circuit 1 Electric Protection bit 1 Compressor Circuit 1 High Pressure bit 2 Compressor Circuit 1 Low Pressure or Freeze protection bit 3 Compressor Circuit 2 Electric Protection bit 4 Compressor Circuit 2 High Pressure bit 5 Compressor Circuit 2 Low Pressure or Freeze protection bit 6 not used bit 7 not used bit 8 not used bit 9 not used bit 10 not used bit 11 not used bit 12 Compressor Circuit 1 Electronic Expansion Valve bit 13 Compressor Circuit 2 Electronic Expansion Valve bit 14 not used bit 15 not used STD STD CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 75 CL50 NEOSYS IOM 0609 E LENNOX Direct Sales Offices BELGIUM AND LUXEMBOURG PORTUGAL 4 32 3 633 3045 351 229 066 050 CZECH REPUBLIC RUSSIA 420 2 510 88 711 495 626 56 53 FRANCE SLOVAKIA 4 33 1 64 76 23 23 4 421 2 58 31 83 12 GERMANY SPAIN 49 2154 48 870 34 91 450 18 10 NETHERLANDS UKRAINE 31 3
60. failure circuit concerned s Fault signalling er Display of fault 114 Circuit 1 124 Circuit 2 Reset Manual reset Important For manual reset of internal protection cut off if the problem comes from a high discharge temperature wait for 30 min prior to any manual reset to allow the scroll temperature to decrease sufficiently If the temperature is still too high the compressor will trip again just after starting Solving the problem Dirty condenser Clean the condenser Fan out of order Replace the fan Incorrect wiring of the high pressure switch Check the wiring of the high pressure switch Dirty filter drier Dirty filter drier Replace the filter drier CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 34 CL50 NEOSYS IOM 0609 E LENNOX Fan s Circuit Error code 092 093 094 107 Description The condenser fan motor or driver control is no longer active Action e The unit carries on running Fault signalling Memorisation is displayed Reset The safety device is automatically cancelled is the fault disappeared Solving the problem Motor thermal protection devices activated Check the air system Motor thermal protection devices activated Check the motors Motor driver device Check the driver Problem with the fan wiring Check the connections CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e
61. g the unit is then running normally 6 Ifthe F S E is not detecting any flow rate the fault 040 is signalling the unit is then shut down The remote fault signal is delayed by 2 minutes Reset Manual reset Solving the problem Problem in the pump control wiring Check the pump connections Problem with flow switch wiring Check the flow switch connection Dirty water filter Clean the water filter Wrong setting of the flow switch Adjust the setting of the flow switch CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 30 CL50 NEOSYS IOM 0609 E LENNOX Pump s Circuit Breaker s Open Error code 041 042 Description The thermal magnetic trip circuit breaker protecting the pump K has tripped Action 1 The unit only INGLE pum Immediate shut down of pump Immediate shut down of the unit Fault signal is signalling e The remote fault signal is delayed by 2 minutes 2 The unit handles DOUBLE pumps and the Normal Safetv mode or Clock has been activated Immediate shut down of pump k Start up of the 2nd pump refer to EVAPORATOR PUMP S CONTROL section for more details Fault signal 041 is signalling for Pump 1 and 042 for Pump 2 e The remote fault signal is delayed by 2 minutes Reset Manual reset If the unit was stopped case 1 the unit will restart automatically 20 seconds after the fault signal
62. has disappeared and the Climatic 50 has restarted the pump Solving the problem Wrong wiring or tightening of the connections Control all connections Set circuit breaker according with pump normal running Wrong setting on the circuit breaker current CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 31 CL50 NEOSYS IOM 0609 E r Faulty in Real Time Clock Error Description The real time clock card incorporated in the Climatic 50 card is defective Action Fault signalling Memorisation is displayed Reset Automatically reset Possible causes Solving the problem The battery is exhausted Replace the daughter card The daughter card is not inserted correctly Check the connection Extension board fault BE50 Description Communication between the BM50 and the BE50 is down Action e The unit carries on running Fault signalling Memorisation is displayed Reset The fault disappears automatically as soon as communication is re established Solving the problem Incorrect addressing of the BE50 Configure the Serial Address dip switches on off off off BM50 or BE50 damaged Replace the defective component Problem with the BIOS Replace the BIOS with version 3A 57 or 3 64 or above Incorrect wiring or loose connection between Check connections and wiring BM50 and BESO CLIMAT
63. he menu tree Pressing the Esc button once without confirmation with the Enter button cancels the change If the day of the week is displayed on the first line the parameter in question can be set to a different value for each day of the week To display and change the values of other days press the Prg button Pressing the Prg button confirms the change in the same way as button 1 If the period of operation is displayed on first line the parameter question can be set to a different value for each for each period Z A Z B Z C Uno and BMS To display and change the values of other periods press the Prg button Pressing the Prg button confirms the change in the same way as button 1 CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 59 CL50 NEOSYS IOM 0609 E LENNOX Special dignostic screens In order to analyse the operation of the unit it is possible to use the following screens which can be reached by pressing the Prg button in menu 0000 or the data menus 2xxx Press button Tor 4 to navigate from one screen to another Screens are available as functions of the program configuration T 1 Water Control Cooling set point Cooling capacity Inlet Temperature Heating set point Heating capacity Outlet Temperature Compressors Circuit N 1 Deltat T Measure Inlet Outlet Compressors Circuit N 2 Deltat T Calculated Inlet O
64. in display A single press on the Esc button cancels the changes and returns to the main screen It will revert back to the main screen after 15 seconds without any activity Clock Menu These screens are used to display and change the time and date on the 50 Sdc 5 Dc 5 comia From the main screen press the clock button The Sdc 5 screen displays the time and date To change the time or date Press lt to position the cursor over the time With button T or 4 set the time and confirm with button Position the cursor over minutes With button Tor set the minutes and confirm with button Position the cursor over month With button Tor 4 set the month and confirm with button Position the cursor over year With button Tor 4 set the year and confirm with button Position the cursor over hours Pressing the Esc returns to the main screen It will revert back to the main screen after 15 seconds without any activity Programming Menu These screens are used to display and change the set points of the BM50 for each time period Sdc 6 From the main screen press the Prg button Screen Sdc 6 displays the menu With button Tor 4 to select the Setting item and confirm with button lt Pressing the Esc returns to the main screen The next screen display the unit status for each zone by pressing on the Clk button CLIMATIC 50 Chiller Heat Pump NEOSYS In
65. ing for the digital output on the connector BE50 J4 ID4 The following items can be used for each input Not Used Input not used Sw Setpoint Switch to the second cooling heating set point Sw Cool Switch the unit to the cooling mode Sw Heat Switch the unit to the heating mode C1 Disable Disable the circuit N 1 all compressors Example C2 Disable Disable the circuit N 2 all compressors BES50 J4 IDI Circ 1 Cp 1 Disable the compressor 1 on the circuit N 1 Circ 1 Cp 2 Disable the compressor N 2 on the circuit N 1 Circ 1 Cp 3 Disable the compressor N 3 on the circuit N 1 J _ Circ 2 Cp 1 Disable the compressor 1 on the circuit N 2 u a Circ 2 Cp 2 Disable the compressor N 2 on the circuit N 2 GMA IE Circ 2 Cp 3 Disable the compressor N 3 on the circuit N 2 Z A Unit operating Zone A i 6 Z B Unit operating Zone B Z C Unit operating Zone C __ m Uno Unit operating Zone Unoccupied Free Dry 7 Bms Unit operating Zone BMS Contact Free Free for BMS system information Elec H Electrical heaters fault Reversible unit only ANALOG INPUTS Electrical characteristics The analog input on the same connector J 9 B1 and B2 must use the same type of signal 4 20mA or NTC As well the analog input on the same connector J10 B3 and B4 must use the same type of signal 4 20mA or NTC The corresponding between the connectors
66. itch off the pump 2 minutes at least after the remote ON OFF switch has gone to 0 In the case of double pumps the pump is running if all of the following conditions are met gt The conditions detailed above for the single pump must be met for the pump n the case of forced operation pump N k is running set point 3711 is set to P1 Only for pump N 1 and P2 Only for Pump N 2 m When running Standard Backup operation pump N k has priority Set point 3711 set to P1 N P2 R for Pump N 1 and P2 N P1 R for pump N 2 gt In the case of equalized run time operation the running time of pump N k is the smallest In case of a fault on a pump when the set point 3711 is set to P1 N P2 R P2 N P1 R or Clock the second pump if available will automatically start NOTE Climactic 50 stops the pumps only 2 minutes at least after the request to switch the whole unit OFF has been given in order to prevent any risks of freezing the evaporator heat exchanger CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 14 CL50 NEOSYS IOM 0609 E LENNOX THERMOSTAT DYNAMIC SET POINT CALCULATE Function Set the chilled or hot water circuit temperature depending on the outdoor conditions in order to optimise the energy consumption Description Iculation of the chilled water int Calculated Set Point 3321 E 10
67. ities to customize some input output for remote control of the unit So it is possible to customize 5digital outputs NC or NO set up with parameters 3841 3842 3843 and 3845 e 6digitals inputs set up by parameters 3851 3852 3853 and 3854 4 analogical inputs 4 20mA or Lennox NTC temperature probe set up with parameters 3861 3862 3863 and 3864 In case of Twins unit NAC 680 760 840 960 1080 the customized input output must be connected on the master unit BM50 with pLAN address lt 1 Description The wiring connection between the BM 50 and the BE 50 is described on the following figure Power 0 Supply 7 BM 50 tLAN J4 24Vac WIL cce MN ern 1 50 8 Za The various possibilities of customized inputs outputs functions can be configured as follow 6 Please respect the wiring connections warning before connect the free input output cf WIRING CONNECTIONS section DIGITAL OUTPUTS NC or NO DRY CONTACTS Electrical characteristics Maximum commutable power 2000VA 250Vac The corresponding between the connectors and the settings is 3831 gt Setting for the digital output on the connector BE50 J5 NO1 3832 Setting for the digital output on the connector BE50 J6 NO2 3833 Setting for the digital output on the connector BE50 J7 NO3 3834 Setting for the digital output on the connector BE50 J8 NOA The following items can
68. itive front edge of the signal i I CLIMATICT 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 25 CL50 NEOSYS IOM 0609 E LENNOX ERROR CODES ALARMS 001 Flow Rate Water Evaporator 011 Electrical Heater s 012 High Outlet Water Temperature 013 Low Inlet Water Temperature 022 Low Outlet Water Temperature 023 High Inlet Water Temperature 024 Electrical Box Temperature 040 Pump Flow 041 Pump 1 042 Pump2 070 Clock card 071 5 078 Temperature Probe Electrical Box 081 Temperature Probe Water Inlet 083 Temperature Probe Outside 085 Temperature Probe Water Outlet 086 Temperature Probe Water Heat Recovery Inlet 087 Temperature Probe Water Heat Recovery Outlet 092 Circuit 1 Condenser fan 093 Circuit 2 Condenser fan 094 Circuit 3 Condenser fan 107 Freecooling fan 108 Correction Power factor 111 Circuit 1 Probe High Pressure 112 Circuit 1 Probe Low Pressure 114 Circuit 1 Compressor s 115 Circuit 1 High pressure 116 Circuit 1 Reversing Valve Locked 117 Circuit 1 Low pressure 118 Circuit 1 Risk of Frosting 121 Circuit 2 Probe High Pressure 122 Circuit 2 Probe Low Pressure 124 Circuit 2 Compressor s 125 Circuit 2 High pressure 126 Circuit 2 Reversing Valve Locked 127 Circuit 2 Low pressure 128 Circuit 2 Risk of Frosting 210 Circuit 1 EEV Driver 211 Circuit 1 EEV Low Superheat Temperature 214 Circuit 1 EEV L O P 215 Circuit 1 EEV Valve NOT Closed 216 Circuit
69. ity NONE Stop Bits 2 Card ld 7 set point 3921 1 to 199 LONWORKS protocol For this option the BM50 must be fitted with the PCO10000F0 card This card is used to interface a BM50 with a LonWorks network by FTT 10A 78 kbs TP FT 10 On the Climatic set point 3922 LonWorks Baud Rate set point 3923 4800 Device ld set point 3921 1 to 199 Watchdog function with the Climatic 50 The Climatic 50 automatic control system being passive on the bus cannot detect all communication failures with the BMS Therefore in the event of a communication failure the unit will continue to function with the last settings transmitted by the BMS To prevent this risk from hindering correct operation of the unit the BMS must regularly write a non zero value in word O1h On its side the Climatic 50 automatic control system decrements the value of word 01h by 5 units every 5 seconds The items below are not taken into account by the Climatic 50 if word O1h is equal to 0 and in this case it works with set points programmed internally This function does not prevent writing of bit or word these can always be read on the DS50 display set to BMS mode by means of the PRG button Word 01h being available in read write on our display we are able to test the BMS mode manually and see the value decrementing then returning to internal control mode Points affected by word 01h Words 02H 03H 05H 06H Bits 0
70. ivation of the electrical heater uses a LIFO structure Last In First Out The rotation is based on the principle that the first electrical heater which will be stopped is the one which have started the last one So the pre determined order to switch OFF to ON is always the same Heater N 1 2 3 4 and the switching to OFF is Heater 4 3 2 1 The control of the electrical heaters uses the same principle as the thermostat control for the compressors NOTE The fourth electrical heater 4 is use in backup mode which means only when none of the compressors is running CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 19 CL50 NEOSYS IOM 0609 E LENNOX gt CONDENSING FANS CONTROL Function Maintain the condensing pressure as stable as possible in order to increase the unit performances while avoiding excessive cycling Description Identical to the complete machine control logic the Climactic 50 aims is to reach and hold the high pressure set point The Climactic 50 control the fan thanks to the inverter ATV21 which constitutes a frequency speed variation driver Operation The unit uses one fan driver by circuit except for specific size of unit which use a third one common to the two circuits There are two types of condensation temperature set point e For units using thermostatic expansion valve the set point is defined by the setting 3616 e For units using elec
71. morisation is displayed Display of fault 216 Circuit 1 226 Circuit 2 Reset The unit returns to normal operation after the signal from the faulty probes or sensors is re established Solving the problem Damaged probes or sensors Replace probe or sensor Incorrect wiring or loose connection on a probe or sensor Check probe and sensor connections and wiring CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 44 CL50 NEOSYS IOM 0609 E LENNOX EEV Failure Motor Error code 217 22 Description The step by step motor of the EEV Electronic Expansion Valve is failure Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling Memorisation is displayed Display of fault 217 Circuit 1 227 Circuit 2 Reset The unit returns to normal operation after the signal from the faulty probes or sensors is re established Solving the problem Faulty expansion valve Check that the expansion valve is operating correctly Incorrect wiring or loose connection on a the valve Check valve connections and wiring CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 45 CL50 NEOSYS IOM 0609 E LENNOX EEV EEPROM Error code 218 228 Description The EEPROM of the EEV Electronic Expansion Valve driver is failure Action Immediate shut down of the compressors on the failure circuit
72. n RolBackChain Back up Chain mode weekly rotation 3914 Choice of management of outlet temperatures 3915 Choice of management of outside temperatures CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 48 CL50 NEOSYS IOM 0609 E BMS Function This is used to link a Climatic to a BMS network for remote control of the unit Description The Climatic 50 can communicate using various protocols 3922 0 CLIMALINK system 3922 1 ADALINK system 3922 2 LNXVISION system 3922 3 MODBUS protocol 3922 4 BACNET system 3922 5 TREND system 3922 6 CAREL system 3922 7 LONWORKS system Tables of MODBUS LONWORKS BACNET amp TREND addresses are given in an appendix at the end of this manual The identification number of each unit can be set 3921 and the communication speed is adjustable from 1200 Bauds to 19200 Bauds 3923 3921 Address of the unit on the bus 3922 Choice of type of protocol 3923 Choice of communication speed MODBUS protocol For this option the BM50 must be fitted with the 1004850 This card is used to interface a BM50 with an RS485 type bus The card provides optically coupled isolation between the regulator and the RS485serial network On Climatic set point 3922 MODBUS Transmission Mode RTU Baud Rate set point 3923 1200 2400 4800 9600 19200 Word Length 8 Par
73. ode 116 126 Description The unit doesn t detect differential pressure between high pressure and low pressure The 4 way reversing valve is probably locked On heat pump unit only Action Immediate shut down of the compressors on the failure circuit concerned e Fault signalling If a 550 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display only of the 3rd daily fault er Display of fault 116 Circuit 1 126 Circuit 2 Reset Automatic reset of the fault as soon as the low pressure becomes greater than the safety pressure switch cut off limit The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Solving the problem Faulty reversing valve Check that the reversing valve is operating correctly CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 38 CL50 NEOSYS IOM 0609 E LENNOX Evaporator Freezing Protection Error code 118 128 Description This fault signal is activated on units chilling water without frost protection additives Water without Glycol or Brine and with thermostatic expansion valves One compressor from the considered circuit has been running for at least 2 minutes 4 minutes for reversible units and the saturated temperatur
74. ontrols only the pump N 2 3711 P1 N 2 Climactic 50 controls handles both pumps with N 1 as standard and N 2 as backup 3711 P2 N 1 Climactic 50 controls handles both pumps with N 2 as standard and N 1 as backup If 3711 Clock Climactic 50 controls handles both pumps equalizing running times and switching from one pump to the other every Tuesday at 02h00 am If If If If If If In the case of single pumps the pump N k is running if all of the following conditions are met c At least one ON OFF of circuit n is ON c Unit remote ON OFF is ON gt Unit is NOT in the unoccupied zone gt Set point 3711 is not set to Stopped gt Configuration 3821 is not set to gt Pump has been stopped for 1 minute or is already running There isn t electrical fault on the pump gt There is a flow rate fault These conditions are ignored if the outdoor temperature is below set point 3341 1 C and if the outlet water temperature is below set point 3321 1 C in order to prevent the water from freezing A pump can be controlled by the Climactic 50 even if the network pump is not handled by the refrigeration unit electrically speaking In the case where the customer is handling the control of his own pump the following procedure must be followed Start the pump at least 1 minute before validating the remote ON OFF switch operation Sw
75. or increase values Clock Access the clock Esc Return to the previous display Brightness Contrast Enter Confirms the selection Down Access overrides or decrease values The display has a set contrast but this can be adjusted manually For manual adjustment of the contrast press the Prg and Clock buttons simultaneously and press buttons T J to increase or reduce the contrast Configuring the terminal address Sdc 1 The address of the terminal DC50 or DM50 must be checked after having switching on the card RA Access the configuration mode pressing buttons P tas tee ans 2 1 4 e simultaneously for least 5 seconds until the Sdc 1 screen appears Press the Enter buttonto position the cursor over the Setting line With button T or J set the address of the display See table below for the DC50 the DM50 is always 31 then confirm with button pLan address with DC50 Address BM50 connected 21 remote display 22 remote display 23 remote display 24 remote display CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 52 CL50 NEOSYS IOM 0609 E Sdc 2 Da se fa address char Ged Main screen Sdc 3 12 0 Curt 3 6 ZA Coal 3 hours override z LENNOX The Sdc 2 screen appears If after 5 seconds the display is not correct Return to configuration mode by pressing buttons T J
76. p e NEOSYS standards range STD from software version NA050 STD Vers 03 0 Rev 00 0 e NEOSYS twins range TWN from software version NA050 TWN Vers 01 0 Rev 00 0 Warning Any parameter modification should be carried out by trained and licensed competent technician Before start up or restart of a unit controlled by Climatic 50 it is mandatory to check adequacy between Climatic 50 and the unit with its options Menus 38xx for unit and options e Menus 39xx for communication In case of wrong parameters I O links could be incorrect and may create some operation problems for the units and ultimately breakdowns Lennox cannot be held responsible for any claims on the units due to a wrong parameters sequence or a parameters modification carried out by non competent technicians In this case the warranty will be legally null and void CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 4 CL50 NEOSYS IOM 0609 E WIRING CONNECTIONS IMPORTANT WARNING Any wiring modification on the CLIMATIC 50 must be done by Lennox technician or employees having valid electrical qualification and authorisation For any modification of wiring on the 24V supply or on 4 20mA sensor check the polarity prior to apply the power Wrong polarity may cause serious damage and destroy the pLAN network Lennox will not accept liability for damage caused by wrong power connection or any wiring modification don
77. r Ambient T Set point A Yes Heating Air Ambient T Set point B Yes Compressor enable DE Enable compressor on circuit N 1 Yes Enable compressor on circuit N 2 Yes Fan condensing lo Fan Mode Set point Yes Low Noise Value Set point Yes Cooling water pump s pump s Yes Wes Ves Programming Start 2 EXT Y Y Y Y Y Y Y Y M Y Y X Y Y Y X Y s es es es es es es es es es es es es es es es es es es es es With the DS50 for each set point press on the key PRG to change the periods and to validate the good set point for the good zone Note Monday is considered as the first day of the week for programming the CLIMATIC M50 Factory settings Day A activated from Monday to Saturday 6h gt 22h Night mode unoccupied for the remaining of time Sunday included CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version CL50 NEOSYS IOM 0609 E 11 ANTICIPA Function This allows an anticipated start up in the morning depending on the outdoor temperature Description This function only works for zone A and allows the unit to move from unoccupied zone to zone A earlier if the outdoor temperature is under a certain value Use this function to anticipate the heating start up during cool days Hour of starting zone A Air Temp Outside 0 3
78. rate as a chiller Example 3312 12 C 3313 23 Change Over Mode Heat pump operation Chiller operation la ee 9 e eum Se eel ue ue em cue 2 2 O N O Outside Air Permutation Cool or Heat Mode optional The choice of the operating mode in cooling or heating is automatically carried out according to the room temperature and the temperature set points adjustment Meanwhile as an option using free contacts on parametric inputs it is possible to disable one mode or another See Customized Input Output BE 50 e With a free contact and 3841 3842 3843 3844 Sw Cool the contact closing will disable the cooling mode e With a free contact and 3841 3842 3843 3844 Sw Heat the contact closing will disable the heating mode CLIMATICTM50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 13 CL50 NEOSYS IOM 0609 E S EVAPORATOR PUMP S MANAGMENT Function Ensure the presence of a flow rate of heat transfer fluid in the evaporator heat exchanger Description Seven types of control rules can be set They are defined using the menu 3711 on the DS50 Service Display 3711 Started Climactic 50 does not control the pumps 3711 Stopped Pumps are stopped 3711 P1 Only Climactic 50 controls only the pump N 1 3711 P2 Only Climactic 50 c
79. ri MODE us o 3800 CONFIG 3810 UNIT 3811 RANGE List 0 2 0 CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version 63 CL50 NEOSYS IOM 0609 E LENNOX Menu Item Menu Item Menu Item Menu Item UNIT MIN MAX FACTORY 3812 SIZE List 3813 EEV List 3820 OPTION PUMP List 0 GLYCOL A 0 FREECOOLING NO YES 0 0 RECOVERY NO YES 0 0 3830 OUT CUSTOM 3831 50 1 List 0 0 3832 BE50 2 List 0 0 3833 BE50 3 List 0 0 3834 BE50 4 List 0 0 3840 IN CUSTOM 0 0 0 0 0 0 0 0 0 0 0 0 3850 IN CUSTOM 0 3 0 0 3 0 0 3 0 0 3 0 13880 GENERAL 68 STANDARDSP noves 0 1 o 3900 COM 3910 MASTER SLAVE 3911 ID 3912 NUMBER 1 4 1 3913 TYPE 0 3 0 3913 OUTLET 0 2 0 3914 OUTSIDE 0 2 0 3920 BMS ID 1 199 1 TYPE 1 7 1 BAUDRATE List 0 4 0 WATCHDOG List 0 999 0 BMS INOC OFF ON 0 1 0 The Min Max and Factory values can vary according to the configuration of the unit Menus 38xx CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 64 CL50 NEOSYS IOM 0609 E CLIMA 50 Input Output Mapping BM50 board Climatic 50 Base Board DI DO 95 01 C 1 Comp State J12 NO1 C 1 Comp 11 1 High Pressure C 1 Fan 95 02 C 1 Security HP J12 NO2 C 1 Comp 12 1 Low Pressure C 2 Fan 95 03 1 Fans State J12 NO3 C 1 Comp 13 2 High Pressure
80. s memorised at the date and time of occurrence of the fault An active alarm is signified by the symbol An acknowledged alarm is signified by the symbol Each alarm is signified by a 3 digit code see ERROR CODES Press the Alarm button to reset all the alarms if possible The number of active alarms returns to 0 no active alarm is shown in the menu and the Alarm button is no longer illuminated To highlight the title of the error code position the cursor over the line desired with buttons Tor 4 then confirm with the Enter button Use the Esc button to return to the previous levels From the main screen press the button The Sdc 11 screen appears To stop the unit With button Tor 4 set the value to Yes and confirm with button lt The unit stops and the Sdc 12 screen appears WARNING Switching off the unit disables all the safety devices Pressing the Esc returns to the main screen If the unit is stopped the Sdc 12 screen appears To start the unit press button The unit starts and the main screen appears This function overrides the operating periods for a maximum of 7 days Sdc 13 Bet uerride period LIMOCCUF From the Sdc 11 screen press button twice to position the cursor over the Override a period line With button Tor 4 set the period desired and confirm with button lt The Sdc 13 screen appears With button Tor 4 set the days of the week to the period
81. simultaneously for at least 5 seconds until the Sdc 1 screen appears Press button lt to position the cursor over the Setting line Press the button lt again to position the cursor over the I O board address line With the button T or 4 replace with the address of the BM50 connected and confirm with button Then repeat the procedure Allocation of Displays to the BM50 On the first line as a double display Outlet temperature On the second line Outside air temperature Current time period Z A Z B Z C Uno Mode of operation Heat Dead or Cool This function can be used to override either the desired outlet temperature for 3 hours Sdc 3 CLIMATICT50 Chiller Heat Pump NEOSYS If an override is active the time period display is alterned with the Ove symbol The Esc button is used to cancel the override mode From the main screen press button T or J nternal use LENNOX technicians version 53 CL50 NEOSYS IOM 0609 E Screen Sdc 4 is used to change the override values The present time period is shown on the 2nd line This period will remain fixed for 3 hours Press lt to position the cursor over the Water SP line With button T or 4 to set the desired temperature and confirm with the Enter button Press lt to position the cursor over the Mode SP line With button T or 4 to set the desired mode and confirm with button The DC50 returns to the ma
82. t E 07 7 Fan cesis Dira ean oie in C Cooling set point ne SAD 08H 8 dE R aa in C Heating set point Uis SIE 09H 9 not used STD 10 R not used STD OBH 11 not used STD OCH 12 R W 1 1h Clock Hour 3121 STD 13 R W 171m Clock Minute 3122 STD 14 R W tai Clock Day of the month 3123 STD 15 R W 1 1 Clock Month 3124 STD 10H 16 R W 122001 Clock Year 3125 STD 11H 17 R W 10 1 0 c BMS Outlet temperature coming from the BMS STD 12H 18 R W not used STD 13H 19 R W 10 1 0 c BMS Outdoor temperature coming from the BMS STD 14H 20 R W not used STD 15H 21 R W not used STD 16H 22 R W not used STD 17H 23 R W not used STD 18H 24 R W not used STD 19H 25 R W not used STD 1AH 26 R W not used STD 1BH 27 R W not used STD 1CH 28 R W not used STD 1DH 29 R W not used STD 30 R W not used STD 1FH 31 R W not used STD 20H 32 R W not used STD Alarm Code Error 10 1 0 c Temperature Inlet Water 10 1 0 c Temperature Outdoor Air 10 1 0 c Temperature Outlet Water 10 1 0b 10 1 0b Temperature High Circuit 1 Temperature Low Circuit 1 CLIMATIC 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version CL50 NEOSYS IOM 0609 E 69 Temperature High Circuit 2 Temperature Low Circuit 2 EEV Saturated evaporation temperature Circuit 1 EEV Saturated evaporation temperature Circuit 2 not used not use
83. ternal use LENNOX technicians version 54 CL50 NEOSYS IOM 0609 E Sdc 7 a DC 50 comfort DC 50 comfort Water one 46 8 38 6 7 12 6 Heat Coo E JM 19 8 22 6 5 conifer Honda Be amp Bh ZE ZZ Eh z Bh Lino 22 LENNOX From the Sdc 6 screen press the Prg button Screen Sdc 7 a displays the change over mode Position the cursor over Mode With button Tor 4 set the desired mode for period A and confirm with button lt With button Tor l set the winter outside temperature the period A and confirm with button lt With button Tor 4 set the summer outside temperature the period A and confirm with button lt Press the button Clk to change the time period Repeat the procedure for each time period Z A Z B Z C Uno From the Sdc 7 a screen press the Prg button Screen Sdc 7 b displays the water set points With button Tor 4 set the desired temperature for period A and confirm with button Press the button Clk to change the time period Repeat the procedure for each time period Z A Z B Z C Uno Calculated Calculated Set Point HEATING MODE Set Point COOLING MODE 400 C 10 0 1 E rin e 070e 1 1 1 190 Omtdoor T orc 00 C OntdoorT From the Sdc 7 b screen press the Prg button Screen Sdc 7 b displays the period settings Position the
84. tronic expansion valve the set point is automatically calculate according to the outdoor temperature This function offers better efficiency during operating in part load compressors net Point Condensation CC 13 C 23 C T Outside PCJ Condensation set point for units with electronic expansion valve he condensing pressure is controlled by a P I D algorithm which is configurable thank to the settings P 3613 Proportional set point 3614 Integral set point D 3615 Derivate set point Process Variable PD PID P PI set point CLIMATIC TV 50 Chiller Heat Pump NEOSYS Internal use LENNOX technicians version e 20 CL50 NEOSYS IOM 0609 E LENNOX gt SMART ACOUSTIC SYSTEM Function The fan speed limit is controlled by the Smart Acoustic System which allows progressive adaptation of the unit to the building load while respecting the noise level constraints and the operating limits Description The maximum sound level and the fan strategies can be adjusted per time zone ZA ZB ZC ZD Inoc BMS on the Climactic 50 Customer can choose between High performance or Low noise operating as well as in heating cooling mode Operation e maximum sound level desired can be adjusted by the setting 3612 expressed in dBa The minimum sound level depends the size of the unit and defines the maximum capacity 96 of the condensing fan allowed Max B6 dBa
85. utlet at full load T 2 Defrost Control reversible units only T 3 Fan Condensing Control Capacity limit Outdoor Temperature CIR SP T HP Circuit 1 Capacity C1 Actual Set point C1 T HP C1 Circuit N 2 Capacity C2 Actual Set point C2 C2 T 4 Frigorific Pressure Circuit 1 T 5 Frigorific Pressure Circuit N 2 Superheating set point Opening of the EEV Superheating value Opening of the EEV steps High pressure Bars High pressure C Low pressure Bars Low pressure Actual Cooling Capacity Max Cooling capacity Suction Temperature Electronic Expansion Valve only EEV T 6 Operating Hour Counter of Circuit N 1 Compressor N 1 T 7 Operating Hour Counter of Circuit N 1 Compressor N 2 T 8 Operating Hour Counter of Circuit N 1 Compressor N 3 T 9 Operating Hour Counter of Circuit N 2 Compressor N 1 T 10 Operating Hour Counter of Circuit N 2 Compressor N 2 T 11 Operating Hour Counter of Circuit N 2 Compressor N 3 Depend on the number of compressor on the unit T 12 Operating Hour Counter Evaporator Pump N 1 T 13 Operating Hour Counter Evaporator Pump N 2 Option 14 pLAN Bus LINK Number of BM50 board present on the pLan bus in case of several units Number of BM50 board on the pLan bus in standby mode in case of several units CLIMA
86. ycle on a regular basis to de ice by heating the exchanger A defrost is activated when the air temperature is under a set point 3622 When defrost is demanded the sequence is as following 1 Stop compressors and fans 2 Reverse the 4 way valve 3 Start compressors 4 When the condensing pressure reaches 35 bars or if the compressors are operating for more than 6 minutes the compressors are stopped 5 Start fans at full soeed during 1minute in order to dry the exchanger The time is adjustable with the set point 3625 6 Reverse the 4 way valve 7 End of defrost Two different types of defrost demand are possible e Dynamic defrost set point 3621 Dynamic e Cycling defrost set point 3621 Cyclic Cycling defrost The unit will start a cyclic defrost in heating mode under a regular period of time defined by the set point 3624 Dynamic defrost This allows the unit to start the defrost cycle only when required This is achieved through the measurement of the temperature difference between the coil and the outdoor The defrost will be initiated shortly after the Climatic 50 has located the largest gradient in the curve Temperature difference between coil and outdoor Coil Coil clean Coil freezing frozen Defrost cycle start Highest gradient Time 3621 gt Defrost mode 3622 gt Outside air temperature under which the defrost cycle is activated 3623 gt LP temperature under which the

User manual CLIMATIC™ 50 - NEOSYS

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User manual CLIMATIC&trade; 50 - NEOSYS

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User manual CLIMATIC™ 50 - NEOSYS