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CLIMATIC™ 50 User manual

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1. 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 For a better electromagnetic protection Lennox recommends the use of LiYCY P cable LENNOX CLIMATIC 50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNIK CONFIGURATION Function LENNOXO proposes a single software for the whole ranges of Roof Top and Aircooler For a first use before any operation of the unit Climatic 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 BC Baltic cooling only BH Baltic reversible heat pump BG Baltic gas BD Baltic gas and reversible heat pump BGN Baltic gas without compressor FC Flexy 1 cooling only FC4 Flexy 2 cooling only FH Flexy 1 reversible heat pump FH4 Flexy 2 reversible heat pump FG Flexy 1 gas FG4 Flexy 2 gas FD Flexy 1 gas and reversible heat pump FD4 Flexy 2 gas and reversible heat pump FGN Flexy gas without compressor FW Flexy cool water coil without compressor FX Roof Top with module 4 dampers ANC Aircooler cooling only ANH Aircooler reversible heat pump NSH Unit of nonstandard request 3812 Unit size choice BC BH BG BD BGN FC FC FH FH FG FO FD FD FGN FWN FX ANC ANH BCKO20N
2. I ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX J Smoke Detector Error code 099 Description The stand alone detector switch DAD checking for the presence of smoke in the unit is activated Action Immediate shutdown of the unit and opening of the fresh air controller amp Fault signalling Memorisation is displayed Reset Manual reset Solving the problem Problem with the DAD wiring Check the connections I ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX J Compressors shut down on LP Cutoff Error code 117 127 137 147 Description The low pressure switch of the circuit has been open for 2 minutes while one compressor in the Circuit has operated for 2 minutes The low pressure switch of the Circuit has been open for 1 hour Action Immediate shut down of the compressors in the circuit amp Fault signalling If a DS50 is connected to the unit Memorisation and diplay of all faults Otherwise Memorisation and display only of the 3rd daily fault Display of fault 117 Circuit 1 127 Circuit 2 137 Circuit 3 147 Circuit 4 Reset Automatic reset of the fault as soon as the low pressure becomes greater than the safety pressure switch cutoff limit The fault will no longer be reset automatically after 3 cutouts in the same day and must be reset manually Note The fault counter is cleared and reset every day at 10 a
3. LENNOX gt d Sache In the event of activation of a filter fault on the unit screen Sdc 8 is displayed The Clock button is illuminated All buttons are deactivated The only way to regain control of the DC50 is to clean or replace the filters in the unit In the event of activation of a fault on the unit screen Sdc 9 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 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 a 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 J then confirm with the Enter button Use the Esc button to return to the previous levels CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E Start stop Sdc 3 po Mou want to Exitch OFF Unite Ha QE t oze Ouerrides H 1 week override LENNOX
4. 2538 2539 2540 Circ 2 Cp 2 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 Circ 3 Cp 1 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 Circ 4 Cp 1 2561 2562 CLIMATICTM50 IOM Rooftops Aircoolair Item Config State Defrost T Sw State Sw Low P Relay H Pump Sw Disable Run Time Config State Defrost T Sw State Sw Low P Relay H Pump Sw Disable Run Time Config State Defrost T Sw State Sw Low P Relay H Pump Sw Disable Run Time Config State Defrost T Sw State Sw Low P Relay H Pump Sw Disable Run Time Config State Defrost T Sw State Sw Low P Relay H Pump Sw Disable Run Time Config State Unit Lst Conf Lst Stat C Off On Off On Off On Off On Off On h Lst_Conf Lst Stat Ke Off On Off On Off On Off On Off On h Lst_Conf Lst_Stat C Off On Off On Off On Off On Off On h Lst_Conf Lst_Stat G Off On Off On Off On Off On Off On h Lst_Conf Lst Stat uo Off On Off On Off On Off On Off On h Lst Conf Lst Stat Usine CL50 ROOFTOPS IOM 1107 E Menu Item Menu Item 2570 2600 Heater 2610 2620 2630 2640 2700 Humidif 2800 Com 2810 LENNOX Menu Item Other Gas Elec H Hot W Coil Pump Outside Menu 2563 2564 2565 2566 2567 2568 2569 2571 2572 2573 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624
5. 3936 3940 Wireless 3941 3942 3943 CLIMATICTM50 IOM Rooftops Aircoolair Item Low Speed Enable Dcw Scw Unit Off On S Off No Yes 2 No s 0 0 e 0 0 CL50 ROOFTOPS IOM 1107 E CLIMATIC 50 Input Output Mapping Baltic amp Flexy 1 ranges BM50 Main board Digital nput J5 ID1 J5 ID2 J5 ID3 J5 ID4 J5 ID5 J5 ID6 J5 ID7 J5 ID8 J7 ID9 J7 ID10 J7 ID11 J7 1D12 J8 ID13 J8 ID14 Gas Valve 1 Electric Heat Antifreeze sensor Compressor 1 Comp 1 Low Pres Blower Fire Smoke Detector Coil Fan 1 Flow switch OR ON OFF Reset Coil Fan 2 Compressor 2 Comp 2 Low Pres Gas Valve 2 Pump Pres Switch Recovery Custom BM50 1 Custom BM50 2 Digital Output J12 NO1 J12 NO2 J12 NO3 J13 NO4 J13 NO5 J13 NO6 J14 NO7 J15 NO8 J15 NC8 J16 NO9 J16 NO10 J16 NO11 J17 NO12 J17 NC12 J18 NO13 J18 NC13 BE50 Extension board J4 ID1 J4 ID2 J4 ID3 J4 1D4 LENNOX Digital I nput Compressor 3 Custom BE50 1 Comp 3 Low Pres Custom BE50 2 Compressor 4 Custom BE50 3 Comp 4 Low Pres Custom BE50 4 Gas Valve 1 Electric Heat 1 Pump Gas Valve 2 Electric Heat 2 Exhaust Fan Compressor 1 Reversing Valve 1 Blower Coil Fan 1 Coil Fan 2 Compressor 2 Reversing Valve 2 By p Recovery By p Recovery Custom BM50 1 General Alarm Digital Output J5 NO1 Low speed
6. Access the configuration mode by pressing buttons T DET QS for at least 5 seconds until the Sds 1 screen appears m Press the button to position the cursor over the Setting line Press button 7 again to position the cursor over the UO board adress line With button T or J replace with the address of the BM50 connected and confirmed with button The Sds 5 screen appears Press button Terminal conf ia Press EHTER Lo continues The Sds 6 screen appears The field P XX shows the selected ol an 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 Sds 6 for the DM50 Sp Shared Printer N A IRS S service DS S0 sericea P H1 Adr Friu Shared Kei Tmi Le Pr Trnz Hone Tmi 32 Move the cursor from field to field using button Select the value desired using button T or A To exit the configuration procedure and save the data select the OK No field choose Yes using buttons T or J and confirm by pressing x Ka Psdi Adr Prive Shsred Tmi Hone ES Trn2 31 Sh Tra 32 Sh k 7Hnu LENNOX Trm1 is reserved to allocate the DC50 to the BM50 Its value differs depending on the pLan address of the BM50 pLan see table opposit
7. CONTROL PRINCIPLE 17 FRESH AIR DAMPER FREE COOLING 18 COMPRESSORS 20 DEFROST HEAT PUMP 22 SUPPLEMENT OF HEATING OPTION 23 CUSTOMIZED INPUT OUTPUT 25 FAULT CODES Insufficient airflow 28 Filters Clogged or Missing 29 Ambient Temperature and Humidity Outside Limits 30 Blowing temperature outside limits 31 Overheating of Electrical Heating Elements 32 Gas Burner Faults 33 External Humidifier fault 34 Hot Water Circulator Fault 34 Fault in Real Time Clock 35 Extension card fault BE50 35 Faulty Probes and Sensors 36 Blowing fan 37 Condenser fans 38 Water Condenser Faults 39 Smoke Detector 40 Compressors shut down on LP cut off 41 Compressor shut down onHP cut off or electrical protection 42 COMMUNICATION 43 MASTER SLA VE 43 BMS 45 CONFIGURING THE BM50 PLAN ADDRESS 46 ALLOCATION OF DISPLAYS TO THE BM50 47 DC50 COMFORT amp DM50 MULTI CUSTOMER DISPLAY 48 DS50 SERVICE DISPLAY 53 DS50 MENU TREE 59 CLIMATIC 50 INPUT OUTPUT MAPPING 67 MODBUS LONTALK ADRESS TABLES 70 CLIMATIC 50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX our INTRODUCTION CLIMATIC 50 The new generation of microprocessor based control CLIMATICTM 50 may be fitted to the Lennox Roof Top or AirCooler range It inherits 20 years of technology and field operating experience from its predecessors the CLIMATICTM1 and CLIMATICTM 2 LENNOX has found the latest hardware technology available on the market place and developed a so
8. From the main screen press the button The Sdc 12 screen appears To stop the unit With button Tor J set the value to Yes and confirm with button The unit stops and the Sdc 13 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 13 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 14 DC 5 eame I E WAX CLIMATICTM50 IOM Rooftops Aircoolair From the Sdc 12 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 The Sdc 14 screen appears With button Tor 4 set the days of the week to the period desired and confirm with button In this example the unit will remain in the unoccupied period on Tuesday when confirmed until midnight on Thursday CL50 ROOFTOPS IOM 1107 E LENNOX D DS50 SERVICE DISPLAY Function This plug and play type display is is intended for maintenance technicians Description Buttons k Alarm summarises the Alarm menu Up scrolls the menu upwards or increases the value Prg Changes the time period Enter confirms the selection Esc Returns to the previous screen Down scrolls the menu downwards or reduces the val
9. Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX 3 Water Condenser Faults Error code 096 097 098 Description The water outlet temperature from the heat exchanger measured by the sensor is outside the permitted range or the water flow detection device is not active Lower temperature limit Water outlet temperature lt safety threshold Upper temperature limit Water outlet temperature gt safety threshold 2572 gt Temperature of circuit 1 2573 gt Temperature of circuit 2 3631 gt Safety threshold lower limit of water output temperature 3632 Safety threshold upper limit of water outlet temperature Action Immediate shut down of compressors amp Fault signalling If a DS50 is connected to the unit Memorisation and diplay of all faults Otherwise Memorisation and display only of the 3rd daily fault Display of fault 096 Lower limit 097 Upper limit 098 Insufficient water flow in condenser Reset Automatic reset of the fault as soon as the temperature returns to the permitted operating range The fault will no longer be reset automatically after 3 cutouts in the same day and must be reset manually Note The fault counter is cleared and reset every day at 11 am provided the maximum number of faults has not been reached 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
10. a Ss D HHhHBd nda CLIMATICTM50 IOM Rooftops Aircoolair T 1 General temperatures Heating or Cooling mode of operation Environment Hot Set Point Temperature Cold Set Point Blowing Hot Set Point Temperature Outside Air Temperature T 2 General humidity Option Environment Dehumidification Set Point Humidity Humidification Set Point Outside Air Humidity T 3 General Power Factors Temperature Environment Hot Factor Cold Factor Blowing Hot Factor T 4 General Power Factors Humidity Option Environment Dehumidification Factor Humidification Factor T 5 Condenser Compressors and Fans Circuit 1 Circuit 2 Circuit 3 or Circuit 4 lt gt Stop or L Start Compressors lt gt Stop or Q Start Cycle reversing valve lt gt Stop or Start Condenser fans T 6 Condenser Compressors and Fans Option Circuit 1 Circuit pressure lt gt H P or Q L P Circuit temperature Circuit 1 Ll End of defrosting Speed variation power factor Circuit 2 Circuit pressure lt gt H P or T L P Circuit temperature Circuit 2 Ll End of defrosting Speed variation power factor T 7 Defrost Option Circuit 1 Ll Deicing requested Compressor operating time since last defrost Same for Circuits 2 to 4 CL50 ROOFTOPS IOM 1107 E DS iarria
11. 1 HH H HH T HdH H HH H 4 HH Be 44 4 HH Be oJ F33 e m ss m Su ha H E ENdru u Flow Hz3 ra3 LENNOX DS S service Economizer 42 441 W i KE Qurl 22 9 Gs 9720 m es 43 6 0 828 d xn H3 5 n 444 ax GU Hini Free LENNOX DX 50 irrita 42 441 TY 28 H Hot W ster Freeze O 424 B gt LENOX LRS 50 service 94 441 TY LT Tac n dHH H LENNOX DX S service 934 441 UY Ze 12 n d Ar LENNOX LENNOX LENNOX CLIMATIC S0 IOM Rooftops Aircoolair T 8 Dynamic defrosting Option Circuit 1 At instantaneous At memorised At i At m ratio Same for Circuits 2 to 4 At difference between Circuit temperature and outside air temperature T 9 Speed variation Treatment fan Option Voltage 0 10v applied to the speed contoller Fan on Speed controller on Power factor Requests Value of Ap inside the unit T 10 Fresh air regulator Voltage 0 10v applied to the servomotor Blowing Temperature CO2 level in ppm Calculated mixing threshold Minimum opening requested Calculated blowing threshold Free Cooling requested T 11 Hot water heater Option Voltage 0 10v applied to the valve Frost thermostat lt gt faulty Q correct Opening requested T 12 Gas Burners Option Voltage 0 10v applied to the proportional valve lt gt St
12. 1 modulating slope Gas 4 Pro Gas 2 modulating slope ElecH Ste Electric heaters without Triac modulation ElecH Pro Electric heaters with Triac Positioned after the refrigerant coil ElecH Mix Electric heaters with Triac Positioned before the refrigerant coil 3711 gt Choice of the type of gas valves control board BG50 Board BG50 EF49 Board EF49 EF 48 Board EF48 EF 45 Board EF45 MMI No Block gas with output fault in normally open MMI Nc Block gas with output fault in normally closed 3832 gt Choice of the type air mixing box No No fresh air 100 All fresh air 0 100 Economiser proportional 0926 5026 Economiser proportional limitation to 5096 of opening 3517 Activation of the air heat recovery option 3833 Choice of the type of air flow sensor No No option 500pa Sensor 0 to 500 pa 7000pa Sensor 0 to 1000 pa 3834 Choice of the air quality sensor No No option 0 2000 Sensor 0 to 2000 ppm 350 2000 Sensor 350 to 2000 ppm Carel brand sensor CLIMATIC 50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX LENNDX y SCHEDULING CLOCK SETTING CLOCK SETTING Function Climatic 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 For the countr
13. 131 141 Description One or more temperature probes or pressure sensors in the cooling systems or elsewhere are short circuited cut or disconnected Action Blowing or outside ambient temperature The compressors and additional heaters shut down ventilation remains Temperature or pressure for circuit All compressors in the circuit shut down amp Fault signalling Memorisation is displayed Display of fault 081 Temperature sensor Ambient 082 Humidity sensor Ambient 083 Temperature sensor Outside 085 Temperature sensor Blowing 086 Temperature sensor Outlet 1 of condensation heat exchanger 087 Temperature sensor Outlet 2 of condensation heat exchanger 088 Temperature sensor Return air 111 Temperature sensor or pressure probe Circuit 1 121 Temperature sensor or pressure probe Circuit 2 131 Temperature sensor or pressure probe Circuit 3 141 Temperature sensor or pressure probe Circuit 4 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 I ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX J Blowing fan Error code 091 Description The air conditioning fan motor control is no longer active Action amp
14. BMS Heat Pump ae Enable Run eco On the Economiser is running Off the Economiser if stopped BNG RAW L Enable Run CO2 Sensor On Switch on the CO2 control on a Zone Off Stop 3354 the CO2 control on a zone BMS 3355 R W L Enable OFF Force the unloading of compressors in cooling mode BMS 3356 R W L Enable OFF Force the unloading of compressors in heating mode BMS RW Enable OFF Force the unloading of heating module electric gas or heat water 3357 coil BMS SE 3358 R W L Enable OFF Force the unloading of humidity control BMS L Unloaded Force the stop of half of the compressors moving has the moment of R W the activation of this point ef ee rar EGRE Clock OFF read hour Clock OFF read hour amp minute ON write hour amp minute a minute ON write hour amp minute ea M NN 3 en 46 rwt rry contact Data Out Free 2 BESOIN ae uM 19 Raw 10y contact Dita Output Free zeen ae uM 20 Rw t Ory contact Digi Output Free 4 genee an wm 21 Raw L Ory contact Dita Output Frees zeen as el m wina om m mines _ _ ws m EC el s ewes o om 3 EC wn AE _ Cae s EC ws s mines _ en o ewes S Cm m mines o I ENNDX D CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E oralen T 2 EC EE ES LLL L On Off Fan Blower as seess a mw s t fonom Compressor ee 25
15. INT DGT DGT DGT DGT DGT DGT DGT DGT DGT DGT DGT DGT zz 33 Occupation Room SP Required maximum room 3322 temperature in C Cooling set point BMS Occupation Room SP Required minimum room 3323 temperature in C Heating set point BMS Inoccupation Room SP Required maximum room 3322 temperature in C Cooling set point Uno Inoccupation Room SP Required minimum room temperature in C Heating set point Humidity Desired Maximum relative humidity in Room in Dehumidification set point Humidity Desired Minimum relative humidity in Room in Humidification set point Temperature Room WECKER Temperature Outdoor 211 Temperature Supply 2113 Relative Humidity Room 2122 Absolute Humidity Room 2124 Relative Humidity Outdoor 2121 Absolute Humidity Outdoor 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 3312 BMS Room SP Required room minimum fresh air rate in 9o Middle of the dead zone Clock Hour Clock Minute Clock Day of the month Clock Month Alarm Code Error 9o of opening Register of fresh air of opening Valve gas 9o of opening Electrical heaters Triac 9o of opening Hot water coil On Off Unit Reset Discharges the safety measures of the unit 2627 BMS Activation of t
16. in temperature control dead zone in order to bring only the necessary fresh air quantity Description The supply fan speed is originally fixed by the set point 3422 The speed entered in this set point corresponds to nominal air flow of the installation This set point can only be adjusted on site Progressive Start Stop If set point 3423 is activated During fan start up for 30s the speed is fixed by the threshold set point 3421 Then during the next 30s the fan accelerates gradually to reach the speed fixed in the set point 3422 During the fan stop the speed gradually reduces to stop completely in 1 minute I ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX Dead zone reduction speed in If set point 3424 is activated When the room temperature is in the regulation dead zone of regulation no heating nor cooling the speed of the fan is fixed by the set point 3421 and the fresh air damper is opened at 100 If the minimum speed brings a fresh air quantity higher than the defined threshold the fresh air damper will close proportionally to reach the desired value 3421 gt Minimum fan speed threshold 96 3422 gt Maximum fan speed threshold 96 3423 gt Activation of progressive Start functionality 3424 gt Activation of dead zone speed reduction functionality EXHAUST FANS Function From one to three exhaust fans can be controlled The start and the stop of these fans d
17. to change the field BM50 switched on In Dead Zone In Cold Zone In Hot Zone Z A Z B Z C Uno BMS Ventilation Damper set to Min Fresh Air Without Compressor Damper set to Min Fresh Air With Compressor Damper in Free Cooling Without Compressor Damper in Free Cooling With Compressor Circuit 1 amp Compressor 1 Cold with Min Fresh Air Circuit 1 amp Compressor 1 Cold with Free Cooling Circuit 1 amp Compressor 1 Hot Circuit 1 amp Compressor 1 Defrosting Circuit 1 amp Compressor 2 Cold with Min Fresh Air Circuit 1 amp Compressor 2 Cold with Free Cooling Circuit 1 amp Compressor 2 Hot Circuit 1 amp Compressor 2 Defrosting Circuit 2 amp Compressor 1 Cold with Min Fresh Air Circuit 2 amp Compressor 1 Cold with Free Cooling Circuit 2 amp Compressor 1 Hot Circuit 2 amp Compressor 1 Defrosting Circuit 2 amp Compressor 2 Cold with Min Fresh Air Circuit 2 amp Compressor 2 Cold with Free Cooling Circuit 2 amp Compressor 2 Hot Circuit 2 amp Compressor 2 Defrosting Circuit 3 amp Compressor 1 Cold with Min Fresh Air Circuit 3 amp Compressor 1 Cold with Free Cooling Circuit 3 amp Compressor 1 Hot Circuit 3 amp Compressor 1 Defrosting Circuit 4 amp Compressor 1 Cold with Min Fresh Air Circuit 4 amp Compressor 1 Cold with Free Cooling Circuit 4 amp Compressor 1 Hot Circuit 4 amp Compressor 1 Defrosting Supplementary heating 25 Supplementary heating 50 Supplementary heating 75 Supp
18. 1 The unit stops 2 Fault in one sensor or probe 3 Fault in one or more compressors 4 Fault in a back up heater 5 Temperature Limit fault 6 Filter fault If the ambient temperature is exceeded fault 013 or 023 the back up unit will restart to compensate for the loss of power of the other units Rotating back up mode Same as above except the back up unit changes every Tuesday at 09 00 if none of the other units is faulty Master DC50 Function configurable using set point 3924 Activation of this function enables one and only one DC50 to be connected for a maximum of 12 units e he DC50 must be connected to the Master unit pLan address 1 e The functions between the Master BM50 and its DC50 are standard e he Master BM50 communicates its Start or Stop status to its slaves the current range and the values of its temperature and minimum fresh air set points e The slaves BM50s communicate a summary of their Alarms to the master A 902 alarm on the master unit represents activation of a fault on slave unit 2 903 for 3 etc This function is incompatible with the Back up mode I ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX Reference Temperature Humidity and CO2 Function may be configured using set points 3922 3925 3926 and 3927 The ambient temperature and humidity set point 3925 the temperature and humidity of the external air set point 3926 and or the valeur of
19. A N line With button Tor 4 set the desired air change rate and confirm with button Position the cursor over the Csg Amb line Pressing the Esc returns to the main screen The time period can be selected by repeatedly pressing the Clock button i ENNOXD CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E ET Shari Honda JA DOM CSR Zz Wh I LENNOX A From the Sdc 6 screen press the Prg button Screen Sdc 7 displays the period settings Position the 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 Ino 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 Alarms Filter Alarm Sdc 8 fo At alarms ean F Sdc 9 Filter L le 25 0 On Alarm t MAJOR Alarm BL HN 09 07 Topp m Ha E rp ev Bel Tne Bg Ars MES Bee DC 5 conifer Alarm Hi BAr EM e mes Fire
20. Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX Ambient Temperature and Humidity Outside Limits Error code 013 023 032 033 Description The ambient temperature or humidity of the air measured by the sensor is outside the permitted range Lower limit of ambient temperature Ambient temperature lt safety threshold Upper limit of ambient temperature Ambient temperature gt safety threshold Lower limit of ambient humidity Ambient humidity lt safety threshold Upper limit of ambient humidity Ambient humidity gt safety threshold 2112 gt Ambient temperature 3371 gt Safety threshold lower limit of ambient temperature 3372 gt Safety threshold upper limit of ambient temperature 2122 gt Ambient humidity 3378 gt Safety threshold lower limit of ambient humidity 3379 gt Safety threshold upper limit of ambient humidity Action No safety amp Fault signalling Memorisation is displayed Display of fault 013 Lower limit of ambient temperature 023 Upper limit of ambient temperature 032 Lower limit of ambient humidity 033 Upper limit of ambient humidity Reset Automatic resetting of fault as soon as the temperature or humidity returns within the permitted operating range Solving the problem Temperature probe or humidity sensor failed Replace probe or sensor Problem with wiring of probe or sensor Check the connections of the probe or sensor I ENNOX CLIMATICTM50 OM Rooftops Aircoo
21. CO set point 3927 used for regulation can be determined from the following calculations Not Used gt Each machine regulates with its own sensors M S Temp gt Slave units regulate with the values of the Master unit probes or sensors M S Aver gt 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 3922 In all modes each unit is independent for fault management 3921 pLan address see chapter Configuring the pLan address of the BM50 3922 gt Number of cards connected or number of compressors desired 3923 gt Choice of function Not Used None M S C H Cooling Heating Master Slave Mode Token Limiting the number of active compressors Backup Back up mode Rol Backupt Back up mode weekly rotation 3924 gt Activation Master DC50 3925 gt Choice of management of ambient temperatures and humidity 3926 gt Choice of management of outside temperatures and humidity 3927 gt Choice of management of air quality sensors CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX LENNOX 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 MODBUS protocol for connection with KP06 see specific KPO6 manual or other Lennox communication products 39
22. 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 select English or the second language initially loaded and confirm with button To continue without changing the language press the Prg Esc or 1 buttons Language ar Eng lish RT 434 22 Bios 4414 Hoot 4443 LENNOX I ENNOXD CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E Navigation in the screens Main menu 0000 S 5 GS S service fone A 1 nLnaRH 14 33 i Osta Thuradss d 85mt tin Jul 1 435 LENNOX Zone 1 Alsm 14 33 Thu rd aa Jula 45 1 TEHPERATURE 2 Hun iditu a 0ther LENNOX 2 Huun 3 Surrl LENNOX CLIMATIC S0 IOM Rooftops Aircoolair LENNOX The four digits in brackets indicate the number of the current menu The two digits beside the brackets indicate the pLan number of the selected card The display on the right indicates the period of operation and the current time conditions Scrolling the menus Press button 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 A or symbol beside the number of the first or thi
23. The unit stops immediately amp Fault signalling Memorisation is displayed Reset Manual reset Solving the problem Fire safety thermostat active Reset the thermostat Motor thermal protection devices activated Check the air system Motor thermal protection devices activated Check the motors Problem with the fan wiring Check the connections I ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX Condenser fans Error code 092 093 094 095 Description The condenser fan motor control is no longer active Action The compressors and fans in the circuit shut down immediately amp Fault signalling If a DS50 is connected to the unit Memorisation and diplay of all faults Otherwise Memorisation and display only of the 3rd daily fault Display of fault 092 Fan Circuit 1 093 Fan Circuit 2 094 Fan Circuit 3 095 Fan Circuit 4 Reset The safety device is automatically cancelled 30 minutes after activation The fault will no longer be reset automatically after 3 cutouts in the same day and must be reset manually Note The fault counter is cleared and reset every day at 11 am provided the maximum number of faults has not been reached Solving the problem Motor thermal protection devices activated Check the air system Motor thermal protection devices activated Check the motors Problem with the fan wiring Check the connections I ENNOX CLIMATICTM50 OM
24. are in operation for more than 6 minutes stop the compressors Reverse 4 way valve End of defrost h Ee 9 Two different type 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 under a regular period of time instruction 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 Climatic50 has located the largest gradient in the curve Temperature difference between coil and outdoor Coil i Coil freezing i Coil clean gt agg 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 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 fans Restart operations according to the pressure CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX LENNOX 3 SUPPLEMENT OF HEATING Option Fonction Units may be equipped with 3 types of supplementa
25. 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 22h Night mode unoccupied for the remaining of time Sunday included CLIMATIC 7 50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX Lu ANTICIPATION Function This allows an anticipated start up in the morning depending on the outdoor temperature Description This function only works for zone A and allow the machine 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 7h30 Air Temp Outside 0 C 3 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 0 C then Day A will start at 7 30 a m CLIMATIC 50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX LENNOX J VENTILATION ON OFF Start amp Stop Function In general the unit is considered in operation if its supply fan is in operation But according to the set points the fan may stop in the
26. 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 J 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 Screen S 14 is used to change a 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 set the desired value and confirm with button Use the Esc button to return to the previous levels of the menu tree Pressing the Esc button once without confirmat
27. outside temperature deviation is active Vent Auto if the fan start stop in the dead zone of the adjustment function is configured On the third line Outside air temperature Current time period Z A Z B Z C Uno Ove and BMS Mode of operation Hot Dead or Cold 3 hour override These functions can be used to override either the desired ambient temperature or the minimum air change rate for 3 hours Sdc 3 If an override is active the time period display is alterned with the a oaan Der symbol The Esc button is used to cancel the override mode From the main screen press button T or J Press button T On the DM50 i ENNOXD CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX Screen Sdc 4 is used to change the override values DC Senta a The present time period is shown on the 2nd line This period will remain Ae fixed for 3 hours Press to position the cursor over the Csg Amb line With button T or 4 set the desired temperature and confirm with the Enter button The cursor is positioned over the Min A N line With button T or _ set the desired air change rate and confirm with button The DC50 returns to the main display If the unit is not fitted with the economiser option only the temperature line is displayed 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
28. rate ppm threshold until which the 0 or the minimum fresh air is maintained 3514 gt CO rate ppm threshold from which the minimum fresh air or the 100 is used 3512 gt Maximum fresh air damper opening Fresh air damper Calibration The real fresh air volume introduced into the system is not always proportional to the damper opening percentage That is particularly true when the return air duct system is sized to give excessive pressure losses It results with excessive fresh air input and thus with an increase of the system exploitation costs From now on it is possible to calibrate the fresh air using three temperature probes one in the blowing section another in the return air and the last one in the outdoor temperature Using these three probes Climatic 50 calculates and memorizes the exact percentage of fresh air for each position of the damper Blowing T Return T x Return Air Fresh air T x Fresh Air This adjustment sequence takes place periodically when all heating and cooling elements are off 3516 Fresh air damper calibration authorization FREE COOLING From a room temperature need Capacity Factor the damper opens according to a proportional rule on the blowing temperature 0 need Minimum fresh air 100 need low limit threshold 3373 2K The user may choose to limit the fresh air damper operation with contacts or set points modification see minimum fresh air above The outdoor tempera
29. seconds without any activity Clock Menu These screens are used to display and change the time and date on the BM50 Sdc 5 From the main screen press the clock button ele The Sdc 5 screen displays the time and date E Lecker s 4 To change the time or date E VK 8 3 Press to position the cursor over the time S ud Honda Juju H FT Si E 2538 With button T or J set the time and confirm with button Position the cursor over minutes With button Tor J set the minutes and confirm with button Position the cursor over month With button Tor 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 butto PE Sg comio Screen Sdc 6 displays the temperature set point and the minimum airflow rate Zonet A c Room SP Z2 HX Er c YN i Min Enz 828 0 Fe If the unit is not fitted with the economiser option only the temperature line is displayed With button Tor 4 set the desired temperature and confirm with button The cursor is positioned over the Min
30. temperature control dead zone Description To allow the operation of the unit it is necessary that set point 3111 is set to On and that the BM50 logical input ID7 on the J5 connector is closed The 3111 set point adjustment is available on the DC DM50 with the ON OFF functionality For each scheduled zone defined in Climatic 50 it is possible to set the start stop state This functionality allows the unit to stop during a period of time in the day When the Room temperature is within the regulation dead zone for each scheduled zone defined in the Climatic 50 it is possible run or stop the fan 3111 Main On Off 3351 gt On Off adjustment by zone 3352 gt On Off in the temperature control dead zones adjustment by zone STAGGING START Function After a power shut down you may get the units to restart gradually in order to avoid overloading issues Description The units do not need to be connected they must simply have different pLan addresses see BM50 pLan address configuration This will enable them to restart 10 x their address number seconds after the resumption of the power Example If a unit carries the address n 3 it will start again 30s 3 X 10 seconds after the resumption of the power HIGH EFFICIENCY FANS or and WITH VARIABLE SPEED TRANSMISSION Function The supply fan variable speed option allows two functionalities Progressive start or stop used for the textile duct inflation The speed reduction
31. 2625 2626 2627 2630 2631 2632 2633 2634 2640 2641 2642 2643 2711 2712 2713 2714 2811 2812 2813 2814 2815 2816 2817 CLIMATICTM50 IOM Rooftops Aircoolair Item Defrost T ow State ow Low P Relay H Pump ow Disable Run Time Low Amb W Cond 1 W Cond 2 Config otate ow State 1 ow State 2 Relay 1 Relay 2 High Modulat ow Disable Config otate ow State 1 ow State 2 Relay 1 Relay 2 Modulat ow Disable Config otate Opening ow Freeze ow Disable Config otate ow State Relay Config otate ow State Modulat Value Sensor Link Bms Value Sensor Link Unit Usine o C Off On Off On Off On Off On Off On h Off On o C C Lst_Conf Lst_Stat Off On Off On Off On Off On Off On Off On Lst_Conf Lst_Stat Off On Off On Off On Off On Off On Lst_Conf Lst_ Stat Off On Off On Lst_Conf Lst_Stat Off On Off On Lst_Conf Lst_Stat Off On CL50 ROOFTOPS IOM 1107 E Menu Item Menu Item Menu 2820 3000 Setting 3100 General 3110 3120 3200 Schedule 3210 3220 3300 Control 3310 3320 3330 3340 3350 3360 LENNOX Item Room Order Clock Time Anticipation Customer Room Reheat Humidity Enable Reactiv Menu 2818 2820 2821 2822 2823 2824 2825 2826 2827 3111 3112 3113 3114 3121 3122 3123 3124 3125 3126 3211 3212 3213 3214 3221 3222 3311 3312 3321 3322 3323 3
32. 3 Circuit 2 Condenser fan 094 Circuit 3 Condenser fan 095 Circuit 4 Condenser fan 096 Low temperature Water Condenser 097 High temperature Water Condenser 098 Flow rate water condenser 099 Smoke detector 111 Circuit 1 Probe or Sensor 115 Circuit 1 High pressure or electrical protection 117 Circuit 1 Low pressure 121 Circuit 2 Probe or Sensor 125 Circuit 2 High pressure or electrical protection 127 Circuit 2 Low pressure 131 Circuit 3 Probe or Sensor 135 Circuit 3 High pressure or electrical protection 137 Circuit 3 Low pressure 141 Circuit 4 Probe or Sensor 145 Circuit 4 High pressure or electrical protection 147 Circuit 4 Low pressure CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX Insufficient airflow Error code 001 Description The pressure differential between the treatment unit and the filters is small although the fan has been running for more than 3 minutes Ap lt safety threshold for more than 20 seconds 2131 Ap 3411 Safety threshold Action Immediate shutdown of the complete unit amp Fault signalling If a DS50 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display of the 3rd daily fault only Reset The unit restarts automatically 2 minutes after making safe 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
33. 32 Modbus MODBUS protocol 3932 Modbus LONWORKS system 3932 LonWorks BACNET system 3932 Bacnet TREND system 3932 Trend ADALINK system 3932 Adalink CLIMALINK system 3932 Climatic 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 3931 and the communication speed is adjustable between 1200 Bd and 19200 Bd 3933 3931 Address of the unit on the bus 3932 Choice of type of protocol 3933 Choice of communication speed MODBUS protocol For this option the BM50 must be fitted with the PCO1004850 card 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 the Climatic set point 3932 ModBus Transmission Mode RTU Baud Rate set point 3933 1200 2400 4800 9600 19200 Word Length 8 Parity NONE Stop Bits 2 Card ld 7 set point 3931 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 3932 LonWorks Baud Rate set point 3933 4800 Device ld set point 3931 1 to 199 Watchdog function for theClimatic 50 The Climatic 50 automatic control system being passive on the bus cannot detect all communication fail
34. 32 3433 3511 3512 3513 3514 3515 3516 3517 3611 3612 3613 3621 3622 3623 3624 3625 3631 3632 3641 3642 3643 3711 3721 3722 3723 3731 CLIMATICTM50 IOM Rooftops Aircoolair Item Dehu Humi Room Low Room High Sup Lo 1 Sup Lo 2 Sup Lo 3 Sup Hi 1 Sup Hi 2 Room Low Room High Air Flow No Filter Dirty Fil Sp Mini Sp Maxi Fan Start Dead Zone Fan 1 Fan 2 Fan 3 Out Limit Maximum Mini Co2 Maxi Co2 Type Calib Recovery Cool 50 Cool 100 Heat 100 Type Outside Coil Time Limit Time Fc W Cd Mini W Cd Maxi Enable Rotat Dis 50 Cp Type Out Limit Sp Mixing Maximum Out Limit pa pa No Yes No Yes Eo ppm ppm Lst_CO2M No Yes No Yes Lst_Cena Lst_Rota No Yes Lst_Gas o C o C o C 20 9 0 ou 5 0 7 0 ou 3 0 5 0 ou 1 0 10 0 ou 1 0 30 1 4 20 40 10 0 ou 8 0 8 0 ou 6 0 6 0 ou 2 0 40 60 0 1000 25 50 250 100 Yes No 33 50 66 100 1000 1500 Yes No 5 0 ou 12 0 12 0 ou 20 0 20 0 16 2 45 45 3 15 0 No 1 10 5 100 10 CL50 ROOFTOPS IOM 1107 E 19 17 15 70 70 1000 1000 1000 1000 1000 100 100 100 100 100 40 100 2000 2000 10 0 ou 3 0 90 20 46 3 15 40 10 100 40 Menu Item Menu Item Menu 3740 Pump 3800 Config 3810 Unit 3820 Compressor 3830 Option Out 3840 Custom 3850 In Custom In p08 Custo
35. 324 3331 3332 3341 3342 3351 3352 3353 3354 3355 3356 3357 3358 3359 3361 3362 3363 CLIMATICTM50 IOM Rooftops Aircoolair Item Bms Value Sensor Link Bms Value Sensor Link Bms On Off Reset Al Resume Test Hour Minute Day Month Year Win Sum Start Uno Start z A Start z B Start z C Foot Gradient Sp Room Mini Air op Dyna Sp Cool Sp Heat Swap Heater Activation Swap Heater Sp Dehu Sp Humi Fan On Off Fan Dead E Air Co2 Comp Cool Comp Heat AuxHeat Humidif Low Noise Cooling Heating Reheat Unit Off On No Yes No Yes Lst Test h m No Yes h 2 221 5 No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes Usine No No No 99 9 21 19 No No No 100 Yes Yes Yes Yes Yes Yes Yes Yes No 4 4 4 CL50 ROOFTOPS IOM 1107 E 23 59 31 12 99 24 24 24 24 20 100 35 100 99 9 35 35 100 100 50 50 50 Menu Menu Item Menu Item 3370 3400 Ventilation 3410 3420 3430 3500 Fresh Air 3600 Compressor 3610 3620 3630 3640 3700 3710 3720 Heater 3730 LENNOX Item Safety Filters h e Exhaust Out Limit Defrost Safety Mode Gas Elec H Hot W Coil Menu 3364 3365 3371 3372 3373 3374 3375 3376 3377 3378 3379 3411 3412 3413 3421 3422 3423 3424 3431 34
36. 37 R L OmOfComwesonHexpum 2 aM RjtlowO Comemong 26 mm 39 Rjt owOfCompesonHespum2 27 mM 4 rhomme 2556 mw n Rjt owOf CompesonHetpum3 257 za r homom 26 28M 45 R t OwOf CompesorHexpumy en 304 a r onomea sm em wm jmomeemmez Ca L On Off Gas Burner High power 1 Lam ar Rtjovonteschewei Les son 4 m L owontentaeeml 2 Com 4 r 1 ipy conac Ditar mout CS TE EN ET NE TE L Dry contact Digital Input Free 3 BE50 J4 ID1 a sr coc itl pt Fees Besoa aa e s R Lipy conac Digtal input erte 2155 sen sa R L IDry contact Digtal input Free 6 Besoa fae 8TH 55 R LT j 9 s niaaa _ _ _ 89H 57 Rj tmtued j om m Risa _ _ y 39M 5 R Ln _ _ 3c amp Rjtmued _ 3 et R Ln _ n amp R Lomo SOS sm 63 pb an e pleine Cid Analogical I BMS Activation of the control by a computer or an automat mode R W BMS is activated if this value is different from zero This value is decreased every second RW 10 1 LET ee nnn S mg SP Required maximum room temperature in C A Bas era am set point A R W 10 4 Dee Occupation Room SP Required minimum room temperature in C 3323 Heating set point BMS RW 1 1 Room SP Required room minimum fresh air rate in Middle of the 3312 dead zone BMS R W 10 1 0 c Inoccupation Room SP Required maxi
37. 8 NCA BE50 4 J10 B4 Custom BE50 4 LENNOX CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E _ LENNON J AirCooler range BM50 Main board Digital nput Digtal Output Analogue I nput Analogue Output EE J12 NO1 Electric Heater 1 Filters Fan 0 5V lu Economizer z Compressor 1 0 10V Circuit 1 Indoor CO Electric Heater J5 ID2 Compressor 2 J12 NO2 Electric Heater 2 4 20mA Triac 0 10V Circuit 1 Defrost Circuit 1 Low NTC Circuit 1 Coil Fan SE Pressure HVACR POWEL Circuit 1 Pressure PWM 1 29b 4 20mA Circuit 2 Defrost Circuit 1 Coil Circuit 1 NTC Circuit 2 Coil Fan gt Fan s Compressor 1 Circuit 2 Pressure PWM 1 29b 4 20mA Fire Smoke Circuit 1 J5 ID5 Detector J13 NO5 Compressor 2 Supply NTC Circuit 1 Return or Mixing J5 ID6 Blower J13 NO6 Reversing Valve NTC J5 1D7 ON OFF J14 NO7 Circuit 1 Coil Fan Indoor NTC J15 NO8 Circuit 1 Low J5 ID8 Reset J15 NC8 speed Coil Fan Outside NTC J7 ID9 Circuit 2 J16 NO9 Circuit 2 Compressor 1 Compressor 1 J7ID10 Electric Heater J16 No10 Circuit 2 Reversing Valve J7 1D11 GE SE J16 NO11 Circuit 2 Coil Fan ressure J7 1D12 Circuit 2 Coil J17 NO12 Circuit 2 Low Fan J17 NC12 speed Coil Fan J18 NO13 J8 1D13 Custom BM50 1 J18 NC13 General Alarm J8 1D14 Custom BM50 2 BE50 Extension board Digital nput Digtal Output Analogue nput Analogue Output Humidity Indoor J5 NO1 Custom BE50 1 4 20mA T p
38. Blower J5 NC1 Custom BE50 1 J6 NO2 Compressor 3 J6 NC2 Custom BE50 2 J7 NO3 Compressor 4 J7 NC3 Custom BE50 3 J8 NO4 Low Ambiant J8 NC4 Custom BE50 4 CLIMATICTM50 IOM Rooftops Aircoolair Analogue nput Filters Fan O 5V Indoor CO 4 20mA Comp 1 Defrost NTC Outlet Cond OR 1 NTC Comp 2 Defrost NTC Outlet Cond OR 2 NTC Supply NTC Return NTC Indoor NTC Outside NTC Analogue nput J9 B1 J9 B2 J10 B3 J10 B4 Humidity Indoor 4 20mA TCB1 4 20 mA Custom BE50 1 Humidity Outside 4 20mA TCB2 4 20 mA Custom BE50 2 Comp 3 Defrost NTC Custom BE50 3 Comp 4 Defrost NTC Custom BE50 4 CL50 ROOFTOPS IOM 1107 E LENNON J Analogue Output Economizer 0 10V H W Coil Valve 0 10V Electric Heat Triac 0 10V Modulating Gas 0 10V C W Coil Valve 0 10V Modul Coil Fan 1 PWM Modul Coil Fan 2 PWM Analogue Output Humidifier J2 Y1 0 10V _ LENNON J Flexy Il roof top range BM50 Main board Digital nput Digtal Output Analogue I nput Analogue Output Gas Valve 1 Gas Valve 1 Economizer Electric Heater Se D 0 10V J5 ID1 H W Coil Antifreeze J12 NO1 ERE Heater 1 Filters Fan 0 5V C W Coil Valve sensor p 0 10V H W Coil Valve 0 Circuit 1 Gas Valve 2 E J5 ID2 J12 NO2 G Indoor CO 4 20mA Electric Heater Compressors Electric Heater 2 EE Triac 0 10V Gas 0 10V Ci
39. Brightness Contrast Up Access overrides or increase values n FE Enter Confirms the selection Z2 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 or 4 to increase or reduce the contrast Configuring the terminal address The address of the terminal DC50 or DM50 must be checked after having switching on the card Access the configuration mode by pressing buttons Cia address gt BIENES T j simultaneously for at least 5 seconds until the Sdc 1 screen E 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 BM50 connected Address REES EN i ENNOXD CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNEX gt Sdc 2 The Sdc 2 screen appears DC SQ comte If after 5 seconds the display is not correct Return to the configuration mode by pressing buttons T simultaneously for at least 5 seconds until the Sdc 1 screen appears Press button to position the cursor over the Setting line Prtess the button 7 again to position the cursor over the I O board address line With the button T or J repl
40. H ANCM152D ANHM152D BCKO7OND BHKO7OND BGKO OSD BDKO70SD FGM200H FDM200H BHKO20HS BGKO20HS BDKOZOHS FGM230H FDM230H BHKO25HS BGKO25HS BDKO25HS BHKO30HS BGKO30HS BDKO3OHS BHKO35HS BGKO3SHS BDK JOHS BHKO40HS BGKO4OHS BDKO40HS BHKO45HS BGKO4SHS BDKO4SHS BHKO30HD BHKO3SHD BHKO40HD BHKOASHD BHKOSOHD BHKOGOHD BHKO7OHD BGKO35HD BDKO30HD BGKO40HD BDKO3oHD BGKO4SHD BDKO40HD BGKOSOHD BDKO45HD BGKO60HD BDKOSOHD BGKO30HD BDKOGOHD BGKO70HD BDKO70HD 3813 gt Activation of the Controls humidity option 3814 gt Activation of the High Efficiency Main fan and or Variable speed transmission option 3815 gt Activation of the External Thermostat Temperature Control option 3821 gt Choice of the type of sensor or probe on the refrigeration circuit No probe or sensor of installed on the circuits CLIMATIC 50 IOM Rooftops Aircoolair LENNOX No CL50 ROOFTOPS IOM 1107 E LENNOX y NTC Temperature probe NTC on the sticks of the coils 0 5V Transmitter of pressure Ratiom trique on the circuits 4 20mA Transmitter of pressure 4 20mA on the circuits 3822 Activation of the Low Ambient Kit option 3823 Unit with water condensation 3824 Activation of the Alternate Defrost option for the Flexy1 range sizes 85 and 100 3831 gt Choice of the auxiliary heating type No No auxillary heating Hot W Coil Hot water coil Gas 2 Gas 1 slope with 2 steps Gas 4 Gas 2 slopes with 2 steps Gas 2 Pro Gas
41. H P amp I P bit 10 Compressor 2 L P bit 11 Compressor 3 H P amp I P bit 12 Compressor 3 L P bit 13 Compressor 4 H P amp I P bit 14 Compressor 4 L P bit 15 Cw w mue OOOO SSS I ENNOX CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNON J BMS address table for LonWorks Type index pco namenv Type NV Direction Index pCO rant 4 LSpTHeat Uno 105 mu 4 ANL 4 A O Sp T Heat Uno 105 output 4 5 5 ANL 5 LS HrDeuBMS 8 mu 5 5 O Sp Hr Dehu BMS 81 ANL 6 LS HrHuBMS 51 mu 6 ma s O Sp rh Bus er oma 6 wl 19 OlaT Supply 105 output 19 81 20 19 ANL 20 O_Hr_Room output ANL 22 O Hr Outside 81 output 22 SERGE 8 mu 20 CNT 3 Sp EoMm BMS mp 20 wl 2 0 Sp Econin BMS output A9 wl 3 Le 8 mu 20 _ wl 3 oru 8 ouput 20 1 1 1 2 2 O Day output 2 22 O Month O Error Codes s EN NE uU GN NEAN SSC 39 O Oa GasHeat 20 O Oa TriacHeat m DRE Ca 2 a Z E CE EN CN 8 WC EN e e 3 3 4 95 95 95 O Oa HotWater O Sp On Unit Sp Reset O Sp Reset Sp Unoc O Sp Unoc nl L ot a 0 08 comp 2 95 output Der 23 00a comp 3 95 output I Ei NN DX CLIMATICTM50 OM Rooftops Aircoolair l E E INT INT INT INT INT
42. J4 ID1 Custom BE50 1 JENCI ExhaustFan J9 B1 TCB1 4 20 mA J2 Y1 Humidifier 0 10V Custom BE50 1 Humidity Outside J6 NO2 Custom BE50 2 4 20mA re MEUS Besse J6 NC2 Exhaust Fan 2 J9 B2 TCB2 4 20 mA Custom BE50 2 J7 NO3 J4 ID3 Custom BE50 3 J7 NC3 Custom BE50 3 J10 B3 Custom BE50 3 J8 NO4 J4 1D4 Custom BE50 4 J8 NCA Custom BE50 4 J10 B4 Custom BE50 4 CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX LENNON J BMS Adress Tables ModBus LonWorks MODBUS Logical eraen EE eM ewh onon ET oz 2 RW L Rese DscwsesmeseymemuwsoWewrn omz RAW L Enable Stopping and running of the Fan Blower Off the blower is stopped On 3351 the blower is running BMS RIW L Enable Stopping and running of the fan in the Control Dead Zone Off the 3352 blower is stopped On the blower is running BMS gw L BMS Activation of the Inoccupation mode Off occupation mode On ses inoccupation mode Room regulation Choices of the priority of regulation in Heating Off Heat Pump 3324 R W L then Hot water coil or Electric or Gas On Hot water coil or Electric or Gas then BMS Heat Pump RAW L F Air Reheat Activate reheating of the fresh air in the dead zone to maintain 3331 supply temperature BMS F Air Reheat Choices of the priority of regulation in Heating Off Heat Pump 3332 R W L then Hot water coil or Electric or Gas On Hot water coil or Electric or Gas then
43. LENNOX gt User manual CLIMATIC 50 ROOFTOP amp AIRCOOLAIR eee Providing indoor climate comfort CL50 ROOFTOP IOM 1107 E LENNOX y Climatic 50 Roof Top amp Aircoolair INSTALLATION OPERATING amp MAINTENANCE MANUAL Ref CL50 RoofTop IOM 1107 E LENNOX have been providing environmental solutions since 1895 our range of Baltic ww rooftop 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 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX TABLE OF CONTENTS Page INTRODUCTION 3 CONNECTION 4 CONFIGURATION 8 SCHEDULING CLOCK SETTING 10 VENTILATION 13 THERMOSTAT HYGROSTAT SET POINTS 15 THERMOSTAT HYGROSTAT
44. NNUX REDE L Ce nique m EIBENEXUZIUIITTLITUXCII T RN GR 10 1 0 c Dry contact Temperature Free 2 BE50 J9 B2 2162 Lum s Reise Oy oneal Tempera Fee Ben me san s2 R 102 10 IDry contact Temperature Free 4 BS IDB4 aea 9M ss R 102 10 Dry contact Humidty EECHER sen sa R 102 10 nn Free2 BESOJOB2 M6 _ Sm 55 R 102 10 IDry contact Humidi Frees BESONNOBS aer sen 56 R 102 10 Dwcoac Humidiy Free Besouro B _ sw 57 R 1 1n ummoTmeCon FanBewr ae san se R 121r iRing Time Count Compres n so r 121r iRuming Time Count compresor 22 _ scn amp R i i irumning Time Coun Compressors aw 30M a R iih iRing Time Count compresor 2 _ Alarm bit 0 Air Flow bit 1 Dirty Filters bit 2 No Filters bit 3 Electrical heaters bit 4 High Temperature Supply bit 5 Low Temperature Room bit 6 Gas Burner 1 bit bit 7 Gas Burner 2 bit 8 Low Temperature Supply bit 9 High Temperature Room bit 10 Humidifier bit 11 Low Humidity Room bit 12 High Humidity Room bit 13 Pump bit 14 Real Time Clock bit 15 BE50 Alarm bit O Probes amp Sensors bit 1 Fan Blower bit 2 Low Temperature Condenser Water bit 3 High Temperature Condenser Water bit 4 Flow Switch Condenser Water bit 5 Smoke Detector bit 6 Fans Condenser bit bit 7 Compressor 1 H P amp I P bit 8 Compressor 1 L P bit 9 Compressor 2
45. S BHKO20NS BCKO20SS BDKO20SS BCNOOTS FCKO85N FCMOBSN FHKOSSN FHMO85N BCKO25NS BHK025NS BGKO25SS BDK025SS BGNOO1H FCK100N FCM100N FHKTOON FHM100N BCKO30NS BHKO3ONS BGKO30SS BDKO30SS FCK120N FCM120N FHK120N FHM120N BCKO3ONS BHKO35NS BGKO35SS BDKO35SS FCK140N FCM150N FHK140N FHM150N BCKO40NS BHKO4ONS BGKO40SS BDKO40SS FCK160N FCM170N FHK160N FHM170N BCKO49NS BHKO4SNS BGKO45SS BDKO45SS FCK190N FCM200N FHK190N FHM200N FGKO85S FGM085S FGK100S FGM100S FGK120S FGM120S FGK140S FGM150S FGK160S FGM170S FGK190S FGM200S FDKO85S FDM085S FGNOO2S FWNOOZS FXKO25N ANCMO22E AE FDK100S FDM100S FGNOOSS FWNOOSS FXKO30N ANCMO26E ANHMO26E FDK120S FDM120S FGNOO4S FWNO04S FXKO35N ANCMO32E ANHMO32E FDK140S FDM150S FGNOOSS FWNOOSS FXKO4ON ANCMO38E ANHMO38E FDK160S FDM170S FGNOO2H FWNOO2H FXKOSON ANCMO43E ANHMO4SE FDK190S FDM200S FGNOO3H FWNOO3H FXKO7ON ANCMOS2D ANHMO052D lI lI BCKO3OND BHKO30ND BCKO30SD BDKO30SD FCM230N FHM230N FGK085H FGM230S FDK085H FDM230S FGNOO4H FWNOO4H FXKO85N ANCMOGAD ANHMOGAD BCKO3SND BHKO3SND BGKO35SD BDK035SD FGK100H FGMO085H FDK100H FDM085H FGNOOSH FWNOOSH FXK100N ANCMO76D ANHMO76D BCKO40ND BHKO40ND BCKO40SD BDKO40SD FGK120H FGM100H FDK120H FDM100H FXK110N ANCMO86D ANHMO86D BCKO45ND BHKO4SND BGKO45SD BDKO45SD FGK140H FGM120H FDK140H FDM 120H FXK140N ANCM112D ANHM1120 BCKOSOND BHKOSOND BGKOS0SD BDKOS0SD FGK160H FGM150H FDK160H FDM150H FXK170N ANCM128D ANHM128D BCKOGOND BHKOGOND BGKO60SD BDKOGUSD FGK190H FGM170H FDK190H FDM170
46. W Coil Menu 2232 2233 2234 2241 2242 2243 2244 2245 2246 2311 2312 2313 2314 2315 2316 2317 2318 2321 2322 2323 2324 2331 2332 2333 2334 2341 2342 2343 2344 2351 2352 2353 2354 2361 2362 2363 2364 2411 2412 2413 2414 2415 2416 2417 2421 2422 2423 I EN NO x CLIMATICTM50 OM Rooftops Aircoolair Item Sp Humi Capa Dehu Capa Humi Sw g Sw y1 ow y2 ow w1 ow w2 Sw b Config State Sw State Fire Smoke Relay Low Speed Sw Speed Run Time State Relay 1 Relay 2 Relay 3 Config State Sw State Relay Config State Sw State Relay Config State Sw State Relay Config State Sw State Relay Config State Mini Air Modulat Opening Calib 4 20mA Config otate Opening Usine Off On Off On Off On Off On Off On Off On Lst_Conf Lst_Stat Off On Off On Off On Off On Off On h Lst_Stat Off On Off On Off On Lst_Conf Lst_Stat Off On Off On Lst_Conf Lst_Stat Off On Off On Lst_Conf Lst_Stat Off On Off On Lst_Conf Lst_Stat Off On Off On Lst_Conf Lst_Stat No Yes Lst_Conf Lst_ Stat CL50 ROOFTOPS IOM 1107 E Menu LENNOX Item Menu ltem Menu ltem Menu 2500 Compressor 2510 Circ 1 Cp 1 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 Circ 1 Cp 2 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 Circ 2 Cp 1 2531 2532 2533 2534 2535 2536 2537
47. X CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX HOT WATER CIRCULATOR The Climatic may drive a circulator for the hot water hydraulic circuit The activation mode of the circulator must be determined according to the circuit 3741 gt Circulator operating mode No No circulator Frost Al Circulator activation in case of freezing fault Start Heat Circulator activation in heating mode for air temperature regulation Started Circulator activation as soon as the blowing fan is activated CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX LENNOX J CUSTOMIZED INPUT OUTPUT Function On the BM 50 card and with the optional expansion board BE 50 it is possible to customize some input output for remote control of the unit So it is possible to customize e 5digital outputs NC or NO set up with parameters 3841 3842 3843 and 3845 e 6 digitals inputs set up by parameters 3851 3852 3853 and 3854 e 4 analogical inputs 4 20mA or Lennox NTC temperature probe set up with parameters 3861 3862 3863 et 3864 Description l est possible de param trer les fonctions suivantes SORTIE DIGITALE NC ou NO CONTACTS SECS Following information could be recovered from each contact Not Used No contact Filter Al Filter fault Blower A Blowing fan fault Comp Al Compressor fault Gas AI Gaz fault ElecH Al Electrical heater fault Frost Al A
48. ability for damage caused by wrong power connection or any wiring modification done 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 logical inputs or humidifier control connection to the output 0 10v 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 Cable length up to 20m AWG22 0 34 mm 1 pair crossed with screen 2 pairs for CO2 sensor Cable length up to 50m LiYCY P 0 34 mm 1 pair with general shield 2 pairs for CO2 sensor The cable length should not exceed 50m For a better electromagnetic protection Lennox recommends the use of LiYCY P cable ROOM TEMPERATURE PROBE NTC The room temperature probe BT10 is connected to the Climatic main board BM50 50 entry B7 connector J6 refer to the unit electrical wiring diagram ROOM HUMIDITY SENSOR 0 20mA Option The room humidity sensor BH10 is connected to the C
49. ace with the address of the BM50 connected and confirm with button Then repeat the procedure Allocation of Displays to the BM50 Functions with DM50 The screens and functions of the DM50 are the same as the screens of the DC50 A DC must be connected to one and only one BM50 Even if the unit is connected to the pLan bus the screens of the DC50 will only apply to the configured BM50 One DM50 may be connected to 12 units with the pLan bus The screens of the DM50 will apply to one of the BM50 alternately Sdm 1 On the bottom line of the BM50 the symbol 1 indicates the BM50s identified on the pLan bus number 1 on the left up to number 12 on the right A unit that is disconnected or switched off cannot be displayed D EO Aul Fh Ge 5n uen here by the DM50 j The number in brackets at the bottom left indicates the number AER of the BM50 currently connected to the DM50 In the event of a fault on one or other of the BM50s identified the Prg button is illuminated in red and the symbol for the units concerned flashes To display another unit from the main display press button J Main screen Sdc 3 On the first line as a double display Ambient temperature DOSE eon Fan on or off a On the second line gt TT E Degree of opening of the air regulator option FR BU Dun Fantauto DES e Dyn if the offset function of the set point as a function of the
50. 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 DM50 and COMMUNICATION MASTER SLAVE HASTE LAVE DNA tomes part ee Pak LE WE kamas The intercard bus pLan is connected to Climatic on the J11 connector of board BM50 star connection is not recommended for an optimum operation it is advised to connect a maximum of two 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 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 Le LENNOX CLIMATIC 50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E 6 BMS COMMUNICATION COMMUNICATION RS485 MODBUS LON WORKS FTT 104 The communication bus is connected to Climatic 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 Connection must be carried out by the following cable Cable length up to 300m AWG22 0 34 mm
51. d or Heat Mode Change Over 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 on Sw Dis Cool The contact closing will disable the cooling mode e With a free contact on Sw Dis Heat The contact closing will disable the heating mode CLIMATICTMSO OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX J FRESH AIR DAMPER Free Cooling Function Ensure a minimum fresh air introduction into the room and or a free cooling thus reducing electric consumption Description MINIMUM FRESH AIR Adjustment by set point The fresh air rate is adjustable by set point 3312 gt Minimum opening of the fresh air damper adjustment by zone Adjustment by free contacts optional With the customized free contacts the fresh air rate can be adjusted see Customized Input Output BE 50 e With a free contact on 0 F A The contact closing will close completely the damper e With a free contact on 100 F A The contact closing will open completely the damper e With a free contact on 10 F A 20 F A 30 F A 40 F A or 50 F A The contact closing will open the damper to the mentioned rate If several contacts are c
52. d upper blower temperature limit threshold 022 3rd lower blower temperature limit threshold or activation of frost thermostat Reset Automatic resetting of fault as soon as the temperature returns to within the permitted operating range except 3rd safety threshold lower limit which requires a manual reset Solving the problem Insufficient airflow Check the air system Air damper jammed open Check the air damper mechanically and electrically Frost safety thermostat activated Manually reset the pressure switch Probe failure Replace the probe Wiring problem with the probe Check the probe connections I ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX Overheating of Electrical Heating Elements Error code 011 Description A safety thermostat in the electric heater unit has operated or the control contactor has not been activated Action Heating elements switched off immediately amp Fault signalling Memorisation is displayed Reset Manual reset Solving the problem Air system obstructed or closed Check the system Filters clogged Clean the filters Broken belts Replace the belts Problem with the wiring of the heating elements Check the connections i ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX Gas Burner Faults Error code 014 015 Description The gas burner control box has generated a fault and is no longer co
53. e address of DC50 Its status is always Pr the BM50 In the case of connection to a DM50 set the address to None Trm2 is reserved to allocate the DM50 to the BM50 Its value is always 31 Its status is always Sh In the case of connection to a DC50 set the address to None Trm3 is reserved to allocate the DS50 to the BM50 Its value is always 32 m 23pr Its status is always Sh 25pr 26pr 20 pe If the terminal remains inactive no button is pressed for 30 seconds the configuration procedure is aborted automatically i ENNOXD CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX DC50 COMFORT amp DM50 MULTI CUSTOMER DISPLAY DN 50 Multi DC 50 comfort FR 1BBX Fan AUTO Dut 03 6 Z B 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 hour override and force an unoccupied mode or any other different time period for a maximum of 7 days It displays a real time clock and the various fault signals Description Buttons Prg Access set points Clock Access the clock Esc Return to the previous display
54. ed The set point 3723 fixes the maximum threshold For electrical heaters piloted by a Triac and positioned before the coil if the mixing air temperature is below the threshold in set point 3722 the electrical heaters are activated to 100 For electrical heaters piloted by a Triac and positioned after the coil if the blowing air temperature is below the threshold in set point 3722 the electrical heaters are activated to 100 Pour les r sistances lectrique pilot es par Triac et positionn es apres la batterie de d tente directe si la temp rature de soufflage est inf rieure au seuil de la consigne 3722 les r sistances sont activ es 100 3721 Outside air temperature threshold for electrical heaters authorization 3722 gt Minimum temperature threshold Triac 3723 Maximum capacity threshold Triac HOT WATER Protection against freezing with minimum water flow If the outside air temperature is below the set point 3331 the valve will open to a minimum fixed in the threshold 3332 Freezing fault In general in case of detection of hot water coil icing the valve will open to 10096 Due to certain hydraulic network pumps or tracing the coil protection is done by closing the valve This can be activated with the set point 3733 3731 Outside air temperature threshold for authorization minimum water flow 3732 gt Valve opening threshold minimum water flow 3733 gt Valve action in case of freezing fault i ENNO
55. epend on the opening of the fresh air damper Description The fans are activated if the fresh air damper opening percentage is higher than the thresholds fixed by the set points 3431 gt Fresh air damper threshold activation of the 1 fan 3432 gt Fresh air damper threshold activation of the 2 fan 3433 gt Fresh air damper threshold activation of the 3 fan CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX LENNOX THERMOSTAT HYGROSTAT Set points SET POINTS TEMPERATURE Function Climatic is programmed in order to maintain a temperature as comfortable as possible with the most economic usage of the unit Description Cooling Mode The room temperature is maintained between a minimum threshold corresponding to the heating point and a maximum threshold corresponding to the cooling point The regulation dead zone is defined between these two thresholds In order to be user friendly one temperature set point is used This set point is in the middle of the dead zone If this set point is modified it has priority on the 2 thresholds but the dead zone range remains defined by the difference between the 2 thresholds If the Thresholds 3322 and 3323 are modified set point 3311 is automatically calculated to their average value Ambient Temp C Heating Mode 3311 gt Customer temperature set point C adjustment by zone 3322 gt Cooling tem
56. ftware specifically designed for Roof Top and AirCooler applications maximising the LENNOX units efficiency and performance Compatibility This documentation is compatible with the programs Roof Top and AirCooler e Ranges Baltic Flexy I Flexy Il FX and AC starting from the version 20 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 e 38xx menus for unit and options e 39xx menux 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 7 50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX 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 li
57. he Inoccupation mode Off occupation mode On inoccupation mode Clock OFF read hour amp minute ON write hour amp minute CL50 ROOFTOPS IOM 1107 E I Type IndexpCO Name NV Type NV Direction Index pCO OwOf Comresoi 2546 OwOfGasBumri 2656 OwOfGaBume2 2616 1onOM Eleica esters 2 2926 I Ei NNUX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX www lennoxeurope com D s Due to Lennox s ongoing commitment to quality the Specifications Ratings and Dimensions are subject to change without notice and without incurring liability Improper installation adjustment alteration service or maintenance can cause property damage or personal injury Installation and service must be performed by a qualified installer and servicing agency CL50 ROOFTOP IOM 1107 E
58. ies of the Euro a device 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 3125 Year 3126 Enable automatic switch summer time winter time SCHEDULING Function Controlling operation of the unit according to the time and day Description CLIMATICTM 50 can handle 4 time zones over the 7 days of the week e Zone unoccupied Night e ZoneA Day A e Zone B Day B e ZoneC Day C e 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 A starting time 3213 Hour minute of the day B starting time 3214 Hour minute of day C starting time 8h00 12h00 13h50 20h30 22h00 Thursday Saturday CLIMATIC 7 50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX LENNOX 3 For each time zone the set following set points following can be modified Enable 3331 Priority of heating 3332 Dehumidification 3341 Humidification 3342 Authorisation Auxiliary heating Fan Activate 3351 Fan Activate in dead zone 3352 With the DS50 for each set point to press on the
59. ion is activated e If the room temperature is in regulation dead zone or heating mode the blowing air regulation rule will maintain a blowing temperature at least equivalent to the heating threshold e If the room temperature is in cooling mode the minimum blowing temperature will be equal to the safety low limit threshold plus 2K 3331 Activation of the control of reheating of the fresh air adjustment per zone HUMIDITY SET POINT option Function The relative humidity of room is maintained between two thresholds a minimum threshold corresponding to the point of humidification and a maximum threshold corresponding to the point of dehumidification Description Dehumidification It is ensured by the compressors in cooling mode It is active in the dead zone and cold mode of room temperature control Climatic gives priority to the temperature To ensure a complement of heating the fresh air reheating set point must be activated Humidification A signal 0 10v is generated proportionally to the regulation request 3341 gt Dehumidification threshold Relative humidity hr adjustment by zone 3342 Humidification threshold Relative humidity Hr adjustment by zone 3358 gt Activation or inhibition humidity control I ENNDX CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX THERMOSTAT HYGROSTAT Control principle Function Adjust and hold the room air temperature or humid
60. ion 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 If the period of operation is displayed on the first line the parameter in question can be set to a different value for each for each period Z A Z B Z C Ino and GTC 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 CL50 ROOFTOPS IOM 1107 E Special dignostic screens LENNOX In oirder 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 J to navigate from one screen to another Screens are available as functions of the program configuration OS S egreiee Deku Wal Humi Ro 864 4 H33 2 448 A l Jul H amp H LENNOX Heat Cnnl Hoon 888 4 864 6 Heheat HH8 d IDehu Humi Hoon dHd H HdHH H 1 2 34 Conr HEE H Pune E E E C Fsan HE r EE LENNOX 13 6b0 424 1 n 444 4 HCir 2 14 5b0 422 3 n aad ay LENNOX s D HdhHBd nad a s D HdhHB ndi x 20 H h n
61. is cleared and reset every day at 11 am provided the maximum number of faults has not been reached Solving the problem Air system obstructed or closed Check the system Broken belts Replace the belts Problem with the fan wiring Check the connections Problem with the pressure transmitter wiring Check the connections Incorrect setting of the safety threshold Check the settings I ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX J Filters Clogged or Missing Error code 004 005 Description The pressure differential between the treatment unit and the filters is small although the fan has been running for more than 3 minutes Filters missing Ap lt safety threshold for more than 1 minute Clogged filters Ap gt safety threshold for more than 1 minute 2131 gt Ap 3412 gt Safety threshold filters missing 3413 gt Safety threshold blocked filters Action No safety amp Fault signalling Memorisation is displayed Display of fault 004 Filters clogged 005 filters missing Reset Automatic reset of the fault as soon as the pressure returns to the authorized operating range Solving the problem Filters removed and not replaced Fit new filters Filters clogged Clean or replace the filters Problem with the pressure transmitter wiring Check the connections Incorrect setting of the safety thresholds Check the settings I ENNOX CLIMATICTM50 OM Rooftops
62. is linearly converted using a 096 to 10096 range this measure will replace the one given by the unit sensor Free temperature probe connection Lennox NTC sensor The measured value will be displayed on following addresses 2161 2162 2163 or 2164 Free relative humidity sensor connection The 4 20 mA signal sent to the unit is linearly converted using a 096 to 10096 range The measured value will be displayed on following addresses 2165 2166 2167 or 2168 3861 Setting of connector BE50 J9 B1 3862 Setting of connector BE50 J9 B2 3863 Setting of connector BE50 J10 B3 3864 Setting of connector BE50 J10 B4 I ENNDX CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX 3 ERROR CODES 001 Airflow 004 Filters Clogged up 005 Filters Missing 011 Electric heating elements 012 High Temperature Blowing 013 Low Temperature Ambient 014 Gas burner 1 015 Gas burner 2 022 Low Temperature Blowing 023 High Temperature Ambient 031 Humidifier 032 Low Humidity Ambient 033 High Humidity Ambient 041 Pump 070 Clock card 071 BE50 081 Temperature sensor Ambient 082 Humidity sensor Ambient 083 Temperature probe Outside 084 Humidity sensor Outside 085 Temperature probe Blower 086 Circuit 1 Temperature sensor Water condenser Outlet 087 Circuit 2 Temperature sensor Water condenser Outlet 088 Temperature sensor return or Mixing air 091 Treatment Fan 092 Circuit 1 Condenser fan 09
63. is stopped i ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX 3355 gt Compressors authorization in cooling mode adjustment by zone 3356 gt Compressors authorization in heating mode adjustment by zone 3359 gt Limitation to 50 of the compressors in Unoccupation and BMS mode 3611 gt Low outdoor temperature threshold for limitation to 50 of the compressors in cooling mode 3612 gt Low outdoor temperature threshold for stopping all compressors in cooling mode 3613 gt High outdoor temperature threshold for stopping all compressors in heating mode 3641 gt Compressors authorization 3642 gt Rotation mode choice 3643 gt Off loading of 50 of the compressors CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX LENNOX J DEFROST Heat Pump 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 cycle on a regular basis to de ice by heating the exchanger The defrost is activated when the air temperature is under a set point 3422 When defrost is demanded the sequence is as following Pre heating of supplementary heating elements during 1 minute Option Stop compressors and fans Reverse 4 way valve Start compressors When the fans are started several times 3625 or if compressors
64. isabled Heating mode Heat pump Stop of all compressors if the outdoor temperature is higher than the threshold 3613 Set points Stop of one or several compressors if the compressor number is not displayed in the address 3641 Cooling mode Stop of all compressors if the instruction 3355 is set to No Limitation to 50 of the compressors if the instruction 3359 is set to Yes Immediate stop of 50 of the compressors if the instruction 3643 is set to Yes Heating mode Heat pump Stop of all the compressors if the instruction 3356 is set to No Note Address 3355 and 3356 can be set differently for zones A B C Uno or BMS Note The address 3359 can be set differently for zones Uno or BMS Free contacts Optional See Customized Input Output BE 50 Stop of one or several compressors if the compressor number is not displayed in the address 3641 Stop of 50 of the compressors if the contact Dis 50 Cp is close Stop of all the compressors if the contact Dis Cp Ah or Dis Comp is close High pressure offloading FLEXY 2 tandem only With tandem compressors it is possible to reduce the circuit capacity by stopping one of the two compressors before the high pressure reaches its limits in order to keep a partial capacity with high outdoor temperature If the condensing pressure is higher than 40b and continuously increases with all the fans in operation at full speed 1 compressor of the considered circuit
65. ity as close as possible to the set point by controlling the number of compressor stages depending on the thermal load of the system Description CLIMATICTM50 control constantly calculates the required capacity to reach the temperature set point This variable is called CAPACITY FACTOR CF and its value can vary from 0 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 a cooler 2 K CF INCREASES CF FROZEN Start more Capacity Stages 1 K Difference between the Room Temperature and the OK set point 1 K CF FROZEN 2 K Ld di Room Temperature I Change rate FAST SLOW SLOW FAST 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 The rate of change of the Capacity Factor CF is determined by another parameter called REACTIVTY and which value is in 9o of CF C Diff vs Set point min 3361 gt REACTIVITY for the cooling mode 3362 gt REACTIVITY for the heating mode 3363 gt REACTIVITY for the fresh air reheating mode For the option of control humidity 3364 gt REACTIVITY for the dehumidification mode 3365 gt REACTIVITY for the humidification mode Permutation Col
66. lair CL50 ROOFTOPS IOM 1107 E LENNOX Blowing temperature outside limits Error code 012 022 Description The temperature of the blown air measured by the sensor is outside the permitted range or the hot water system frost thermostat is activated Lower blower temperature limit Blower temperature lt safety thresholds Upper blower temperature limit Blower temperature gt safety thresholds 2113 Ambient temperature 3373 1st safety threshold lower blower temperature limit 3374 2nd safety threshold lower blower temperature limit 3375 3rd safety threshold lower blower temperature limit 3376 gt 1st safety threshold upper blower temperature limit 3377 2nd safety threshold upper blower temperature limit Action 1st lower limit safety threshold One compressor stops immediately then the others progressively Fresh air regulator set to minimum opening 2nd lower limit safety threshold All compressors stop Fresh air regulator closes 3rd lower limit safety threshold or activation of frost thermostat If there is a hot water unit the complete unit stops immediately Otherwise the unit stops after 15 minutes 1st upper limit safety threshold One compressor or back up heating stage stops immediately then the others progressively 2nd lower limit safety threshold All the compressors and all the back up heating stages stop amp Fault signalling Memorisation is displayed Display of fault 012 2n
67. larm freezing risk Smoke Al Smoke detector alarm Heat Mode Heating mode Humidit Humidifier pilote Z A Unit operating Mode A Z B Unit operating Mode B Z C Unit operating Mode C Uno Unit operating Mode Inoccupied Bms Unit operating Mode BMS LibrFree Free for BMS acting Exhaust 1 Drive exhaust fan n 1 Exhaust 2 Drive exhaust fan n 2 Exhaust 3 Drive exhaust fan n 3 3841 Setting of connector BM50 J17 N12 3842 Setting of connector BE50 J5 N1 3843 Setting of connector BE50 J6 N2 3844 Setting of connector BE50 J7 N3 3845 Setting of connector BE50 J8 N4 ENTREE DIGITALE 24V AC ou DC following orders can be sent on each contact LENNOX Not Used No contact Sw Unoc Force Unoccupied Mode Dis Cp AH Stop of all compressors and auxillary heating Dis Comp Stop of all compressors Dis 50 Cp Immediate stop of 50 of the compressors Dis AuxH Stop of supplementary heating Sw Dis Cool Cancellation of cooling mode Sw Dis Heat Cancellation of heating mode State Humi Humidifier fault input 0 F A Force 096 fresh air 10 F A Add 10 fresh air 2096 F A Add 20 fresh air 3096 F A Add 30 fresh air 40 F A Add 40 fresh air 5096 EA Add 50 fresh air 100 F A Force 100 fresh air Low Speed Force low speed ventilation Free Free for BMS system information CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E ENE 3851 gt Set
68. lay to 0 Sds 1 Access the configuration mode by pressing the button T 4 vd for at least 5 seconds until the Sds 1 screen appears Press button 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 DS S sirri Sds 2 The Sds 2 screen appears LENNEX 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 GS S service 1 rLan address UP 1ncresse DON decresse exit mum The Sds 4 screen appears Press the button to position the cursor over the pLan address line With button T or set the desired pLan address 1 to 12 and confirm with button Hr an address 1 UP increase DOUH decrease EHTER B exit 23m LENNON Reset the original address of the DS50 32 using the above procedure i ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX 3 LENNON J 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
69. lementary heating100 T 17 DM50 Loop Displays the rotation of the cards on request from the DM50 CL50 ROOFTOPS IOM 1107 E LENNON J DS50 MENU TREE Menu Item Menu Item Menu Item Menu Item Unite Mini Usine Maxi 2000 Data 2100 General 2110 Temperature 2111 Outside Re 2112 Room Ho 2113 Supply C 2114 Return C 2120 Humidity 2121 Outside 2122 Room 2123 Outside g Kg 2124 Room g Kg 2130 Other 2131 Air Pres pa 2132 Co2 ppm 2133 Sw On Off Off On 2134 Sw Reset Off On 2135 Sw Unoc Off On 2140 SE 2141 bm50 1 Off On 2142 be50 1 Off On 2143 be50 2 Off On 2144 be50 3 Off On 2145 be50 4 Off On 2150 In Custom 2151 bm50 1 Off On 2152 bm50 2 Off On 2153 be50 1 Off On 2154 be50 2 Off On 2155 be50 3 Off On 2156 be50 4 Off On 2160 Ge 2161 be50 1 d 2162 be50 2 C 2163 be50 3 Re 2164 be50 4 C 2165 be50 1 2166 be50 2 2167 be50 3 2168 be50 4 2200 Control 2210 Room 2211 Sp Cool nC 2212 Sp Heat Re 2213 Capa Cool 2214 Capa heat 2215 Sw Dis Cool Off On 2216 Sw Dis Heat Off On 2217 4 20mA SS 2220 Reheat 2221 Set Point C 2222 Capacity 2230 Humidity 2231 Sp Dehu I ENNOX CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E Menu Item Menu Item 2300 Fan 2400 Cooler Menu 2240 2310 2320 2330 2340 2350 2360 2410 2420 Item Tcb Ventilation Exhaust Condenser 1 Condenser 2 Condenser 3 Condenser 4 Fresh Air Cold
70. limatic extension board BE50 entry B1 connector J9 refer to the unit electrical wiring diagram ROOM AIR QUALITY SENSOR CO 4 20mA Option The room air quality sensor BG10 is connected to Climatic main board BM50 entry B2 connector refer to the unit electrical wiring diagram 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 DS50 In any the case Display DS50 cannot be remotely connected In case of Master Slave installation one and only one display DS50 must be connected on the pLan bus DISPLAY DC50 or DM50 Remote 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 DT50 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 CLIMATIC 7 50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX LENNOX 3 bach aim Display DC50 or DM50 is connected to the Climatic with the DT50 screw connec
71. m 3900 Com 3910 Display 3920 Master Slave 3930 Bms LENNOX 3733 3741 3811 3812 3813 3814 3815 3821 3822 3823 3824 3831 3832 3833 3834 3841 3842 3843 3844 3845 3851 3852 3853 3854 3855 3856 3861 3862 3863 3864 3911 3912 3913 3914 3921 3922 3923 3924 3925 3926 3927 3931 3932 3933 3934 3935 CLIMATICTM50 IOM Rooftops Aircoolair Item Opening A Freeze Mode Range Size Hu Pack h e Tcb Sensor Lak Wat Cond 085 100 AuxHeat E Air P Air Co2 bm50 1 be50 1 be50 2 be50 3 be50 4 bm50 1 bm50 2 be50 1 be50 2 be50 3 be50 4 be50 1 be50 2 be50 3 be50 4 Sp Mini Sp Maxi Offset Standard Sp Id Number Type DC50 Mast Room Outside Co2 Id Type Baud Watchdog Bms Unoc Unit Lst_Afre Lst_Pump Lst_Rang Lst_Size No Yes No Yes No Yes Lst Sens No Yes No Yes No Yes Lst_AuxH Lst_Eco Lst_FAir Lst_CO2C Lst_DO Lst_DO Lst_DO Lst_DO Lst_DO Lst DI Lst DI Lst DI Lst DI Lst DI Lst DI Lst AI Lst AI Lst AI Lst AI No Yes Lst MS 1 No Yes Lst MS 2 Lst MS 2 Lst MS 2 Lst BMS Lst Baud Off On t O oj o o O OO CO OCO o P O j O CO O O O COP C O T I O OI L 1 O O O o o O Ol O OO j O oOo CH OO 1 O j O JO O eO CO O O OO O O O O Z NIA O ISININ CL50 ROOFTOPS IOM 1107 E 21 35 12 12 Item Menu Menu LENNOX gt ltem Menu ltem Menu
72. m 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 Filter drier blocked Replace the filter drier Faulty low pressure switch Replace the low pressure switch I ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX The compressors shut down on HP Cutoff or Electrical Protection Error code 115 125 135 147 Description During start up or operation of a compressor 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 in the circuit amp Fault signalling If a DS50 is connected to the unit Memorisation and diplay of all faults Otherwise Memorisation and display only of the 3rd daily fault Display of fault 115 Circuit 1 125 Circuit 2 135 Circuit 3 145 Circuit 4 Reset The safety device is automatically cancelled 30 minutes after activation The fault will no longer be reset automatically after 3 cutouts in the same day and must be reset manually Note The fault counter is cleared and reset every day at 10 am provided the maximum number of faults has not been reached Solving the problem Dirty condenser Clean the co
73. mum room temperature in 3322 Cooling set point Uno I ENN UX gt CLIMATICTM50 IOM Rooftops Aircoolair CLS0 ROOFTOPS IOM 1107 E Eiere Humidity Desired Maximum relative humidity in Room in Dehumidification set point Humidity Desired Minimum relative humidity in Room in Humidification set point ws s Fw ms SSCS OH 10 RW LT o H 1 RW nues 0CH 12 RW 1 fn codon j a 0DH 13 Rw zm Cok Mmue 2 OEH 14 RW 1 1 Clock Dayofthemonth 3g 0rH 15 Rw 1 1 Cok Moth 34 RE NE 10 1 0 c E Room temperature coming from the BMS 2824 Lm ss an 02 108 SI Room muni am tome a EES 1 1 ppm em Air quality coming from the BMS Cae m w las mm 233 RW mtued Li ww m al Im ES ms al CS EE wm m mw CE ES 1H 27 RW mes iOH 2 RW posa o o SSS y ms w CS EE 3M o few Im m 9 w CS 3M s CT fosa _ CREER ES TT zm a r 02100 Heme me an a r 102107 Heme mm Lau s R 10210 Temes mm IRE TU mourir ER n 1 ES Relative Humidity Outdoor 2131 are e ck sat ma Que SE M Xu Ses 204 4 R 121 PofopenngRegseroesar mm 20M 4 amp R 1 1 eorom vaes n 2EH 46 R 1 15 9o of opening Electrical heaters Triac am R 121 DhofoponinglHotwatercot 289 I ENNDX CLIMATICTMS0 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LE
74. ndenser 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 I ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX J COMMUNICATION MASTER SLAVE Function Link several units in order to allow a Master Slave relationship between each units 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 gt Master unit Units 2 to 12 gt Slave units Master Slave Modes Several master slave modes are available and may be configured by using set points 3922 and 3923 Cold hot Master Slave mode All the units are stand alone but e fthe master is calling for cooling the heating adjustment of the slaves is inhibited e If the master is calling for heating the cooling adjustment of the slaves is inhibited Token Mode This mode limits the number of compressors in operation Use set point 3922 to set the maximum number of compressors that can operate simultaneously for all the units connected Back up mode The unit with the highest pLan address is used as a back up in the event of a fault in another unit In the event of different faults on several units the following fault priority is applied
75. ntrolling the fume extractor fan Action amp The gas burner shuts down immediately amp Fault signalling If a DS50 is connected to the unit Memorisation and diplay of all faults Otherwise Memorisation and display only of the 3rd daily fault Display of fault 014 1st gas burner 015 2nd gas burner Reset The burner restarts automatically 2 minutes after safety setting by electrically resetting the burner control box The fault will no longer be reset automatically after 3 cutouts in the same day and must be reset manually Note The fault counter is cleared and reset every day at 11 am provided the maximum number of faults has not been reached Solving the problem See IOM Flexy Read the documentation Problem with the wiring of the gas burners Check the connections i ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX External Humidifier fault Error code 031 Description A switch outside the unit reports a fault associated with a humidifier Action The humidifier controller stops immediately amp Fault signalling Memorisation is displayed Reset The humidifier controller restarts automatically when the switch closes Solving the problem Problem with the external humidifier Check the humidifier Hot Water Circulator Fault Error code 040 Description The electrical protection of the circulator has operated Action amp The circulator
76. op or L Start Burner 1 lt gt Low demand or High demand Burner 1 lt gt Stop or L Start Burner 2 Modulation requested T 13 Electric heater elements Option Voltage 0 10v applied to the Triacs lt gt Stop or Start Heater unit 1 lt gt Stop or Start Heater unit 2 Modulation requested T 14 BM50 present on the pLan bus Displays the number of BM50s present on the pLan bus CL50 ROOFTOPS IOM 1107 E OS 50 service Link nH 3 CH Hest Gool OTaken H4 Canr dH DG and HH LENNOX Press button gud ddddih 24n 3553 C lmar Hnu H4 Hr drad3 4r 11 LENNOX MDO MD1 MD2 MD3 MD4 MD5 MD6 MD7 OS S cenis Option H2 HH 86 84 95 449 Dr 99 94 489 HB dH 11 84 LENNOX CLIMATIC S0 IOM Rooftops Aircoolair LENNOX Hot Cold Limitation Limitation of compressors number of compressors running Back up mode Number of stand by unit LENNOX T 15 Master Slave functions Hot master 1 Cold master T 16 Operating time to position the cursor over the counter number With button Tor 4 enter the desired counter number Press button To reset all the operating times to zero select Yes in the Clear field Indicates the date and time of the start of memorisation
77. perature threshold C adjustment by zone 3323 gt Heating temperature threshold C adjustment by zone Set point modification by an external signal The set point can be remotely modified with a signal 4 20mA see CUSTOMIZED INPUT OUTPUT For a 4 mA signal the temperature set point is decreased by 5 k For a 20 mA signal the temperature set point is increased by 5 k A linear rule is applied between the two signals DYNAMIC SET POINT Function This function allows to obtain a proportional shift of the cooling threshold according to the outside temperature Description The cooling threshold starts to increase once the outside air temperature is over the cooling threshold plus the value of the dynamic set point If you don t wish to use this function allot to the option dynamic set point the value 99 9 c Example If the cooling threshold is equal to 25 C and that the dynamic set point is equal to 6K The cooling threshold drift will start for an outside temperature of 31 C 25 C 6K and then the threshold will follow the outside temperature evolution keeping a 6K difference 3321 Dynamic set point K adjustment by zone I ENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX FRESH AIR REHEATING SET POINT Function Climatic may be set to maintain a comfortable blowing temperature by compensating the cold contribution of fresh air in winter Description If this funct
78. rcuit 1 Defrost NTC SE Circuit 1 Pressure dete ide EE J12 NO3 Exhaust Fan 1 29b 4 20mA LAS EUNT Pressure PWM Water Condenser Circuit 1 Outlet NTC Circuit 2 Defrost NTC en Circuit 2 Pressure EES J5 ID4 Blower Ja Noa s Ue 1 29b 4 20mA COS Compressor 1 PWM Water Condenser Circuit 2 Outlet NTC Fire Smoke Circuit 1 J5 1D5 Detector J13 NO5 Compressor 2 Supply NTC Circuit 1 Coil Fan Circuit 1 J5 1D6 Water Condenser J13 NO6 Ge Return or Mixing NTC i Reversing Valve Flow switch J5 1D7 ON OFF J14 NO7 Blower Indoor NTC J15 NO8 A J5 ID8 Reset J15 NC8 Circuit 1 Coil Fan Outside NTC J7 ID9 Circuit 2 Coil Fan Jia Nogo Fi Compressor 1 J7 1D10 Circuit 2 J16 NO10 Circuit 2 Compressors Compressor 2 J7 1D11 Circuit 2 Low J16 NO11 Circuit 2 Pressure Reversing Valve Gas Valve 2 J17 NO12 T J7 1D12 Pump J17 NC12 Circuit 2 Coil Fan J18 N013 J8 1D13 Custom BM50 1 J18 NC13 General Alarm J8 1D14 Custom BM50 2 BE50 Extension board Digital nput Digtal Output Analogue nput Analogue Output Blower HE Low speed Humidity Indoor Snel ey 1 C W Coil Valve JA ID1 Alarm J5 NO1 Blower J9 B1 4 20mA 0 10V j Custom J5 NC1 Custom TCB1 4 20 mA Blower HE Modulation BE50 1 BE50 1 Custom BE50 1 0 10V Humidity Outside Custom J6 NO2 Custom 4 20mA m EE J6 NC2 BE502 WEE TCB2 4 20 mA Custom BE50 2 Custom J7 NO3 Custom J4 ID3 BE50 3 J7 NC3 BE50 3 J10 B3 Custom BE50 3 Custom J8 NO4 Custom J4 1D4 BE50 4 J
79. rd line indicates the existence of one or more additional lines Examples S 6 to S 9 show how the menu tree changes each time button from the menu is pressed 1 Data 2000 1 General 2100 Temperature 2210 2211 Outside temperature 27 9 C 2212 Room temperature 24 5 C 2213 Blower temperature 12 3 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 CL50 ROOFTOPS IOM 1107 E Alarms 1000 S 10 GS Siiri fone 1 ALA RH 14 33 3 Data Thuradss Jul H5 H Alam Hi aqai 2dg3 Hr l14hd3 811 d2 H3 HT 1Hh32 125 3427 46 AJh id H31 Alam Hi H3 Hr i4dhd 5 Aii Electrical Hester Faults LENNOX Set points 3000 5 13 GS S service 1 Hour 22H INUTE AA aa Hand a3 Hin 44 4 Start z A Stdide H H Hh Han 24 80 lj Zone Hinslr H Se ruun Sty i274 8 24 4 ZT ef Ha s LENNOX LENNOX gt CLIMATICTM50 IOM Rooftops Aircoolair 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 J then confirm with button or press the Alarm button directly wherever you are in the
80. ry heating Gas BG FG et BD FD Hot water coils BC FC et BH FH Electric heaters BC FC et BH FH From a room temperature need Capacity Factor the supplement of heating stages are started and stopped with a pre determined order Description Operation priority Compressors Additional heating From factory setting in heat pump mode Climatic starts compressors first and then if necessary starts additional heating This sequence may be reversed with set points for the ambient temperature regulation and for fresh air pre heating 3324 Priority inversion from compressors to supplementary heating air temperature regulation adjustment by zone 3332 Priority inversion from compressors to supplementary heating fresh air regulation adjustment by zone Operation authorization The user may choose to limit the operation of the compressors by using contacts or set points modification Set points Stop of additional heating if the set point 3357 is set tp No Note The address 3357 can be set differently for zones A B C Ino ou GTC Contact Stop of the gaz module if the free contacts Dis Cp Ah or Dis AuxH are closed See Customized Input Output BE 50 3357 gt Supplementary heating authorization adjustment by zone ELECTRICAL HEATERS Electrical heaters are stopped if the outside temperature is above a threshold in set point 3721 The capacity of electrical heaters piloted by a Triac may be limit
81. stops immediately amp Fault signalling Memorisation is displayed Reset Manual reset Solving the problem Problem with the circulator Check the wiring I ENNOX CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX J Fault in Real Time Clock Error code 070 Description The real time clock card incorporated in the Climatic card is defective Action amp Fault signalling Memorisation is displayed Reset Automatic reset Solving the problem The battery is exhausted Replace the daughter card The daughter card is not inserted correctly Check the connection Extension card fault BE50 Error code 071 Description Communication between the BM50 and the BE50 is down Action Compressors 3 and 4 stop for the Flexy range amp Fault signalling Memorisation is displayed Reset The fault disappears automatically as soon as communication is reestablished Solving the problem Incorrect addressing of the BE50 Configure the Serial Address dip switches on off off off BM50 or BESO 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 i ENNOX CLIMATIC S0 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX Faulty Probes and Sensors Error code 081 082 083 085 086 087 088 111 121
82. ting of connector BM50 J8 ID 13 3852 gt Setting of connector BM50 J8 ID 14 3853 gt Setting of connector BE50 J4 ID1 3854 Setting of connector BE50 J4 ID2 3855 gt Setting of connector BE50 J4 ID3 3856 gt Setting of connector BE50 J4 ID4 ENTREE ANALOGIQUE It is possible to make the following actions Not Used Not used S P Offset Ambient temperature set point offset 4 20mA signal F A Offset Minimum fresh air set point 4 20mA signal Weather T Entry for a Meteo temperature sensor Weather H Entry for a meteo humidity sensor Free NTC Free temperature probe connection Free Hr Free relative humidity sensor connection Ambient temperature 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 For example for a unit set point of 20 C A 4mA signal will give a 15 C unit temperature set point A 20mA signal will give a 20 C unit temperature set point A 20mA signal will give a 25 C unit temperature set point Minimum fresh air set point 4 20mA signal The 4 20mA signal sent to the unit is linearly converted to a 0 100 fresh air damper opening request Entry for a Meteo temperature sensor The 4 20mA signal sent to the unit is linearly converted using a 40 C to 80 C range this measure will replace the one given by the unit sensor Entr e d une sonde m t o en humidit The 4 20mA signal sent to the unit
83. tion 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 if they are not available For circuits with tandem compressors it is possible to favour the unit performance COP rather than the compressor operating time balance 3642 The compressor starts if all the following conditions are satisfied e The unit the compressor and the circuit do not have major faults e The control requires the starting of the compressor e The compressor has the lowest operating time among the stand by compressors e The compressor has not been brought into service for at least 6 minutes Every compressor state can be checked on the following menus 2512 2522 2532 2562 To check the operating time of each compressor use menus 2519 2529 2569 To reset an operating time counter put the DS50 cursor on the line and press the key Enter during 20 seconds Compressor operation authorization The user may choose to limit the operation of the compressors by using contacts or set points modification Outdoor temperature Cooling mode Stop of all compressors if the outdoor temperature is lower than the threshold 3612 Stop of 50 of the compressors if the outdoor temperature is lower than the threshold 3611 Note if the option Low Ambient Kit is activated 3822 these two functionalities are d
84. tor 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 pairs with general shield The cable length should not exceed 500m For a better electromagnetic protection Lennox recommends the use of LiYCY P cable CONNECTION ON DT50 REPARTITOR DT50 e gt leeeleejee DC50 DM50 Terminal connection board installation guide DT 50 The board is fitted with three telephone RJ12 plugs Ensure the board is correctly connected Standard connection is pl 0 earth shield VRL fs 30VOc Ist pair Du s d GNE 2nd par 3 Ra Ti 3nd paw T ele dd paw B EC 5 GAD 2nd pair B BM50 on connector C 5 VRL e30Vdc st pair B DC50 DM50 on connector A or SC DS50 on connector B 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 CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E 5 LENNOX zm J14 and J15 set between1 2 Connectors A B 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
85. ture or humidity value may also limit the opening Outdoor temperature The Free Cooling is stopped if the outside temperature is higher than the return or room temperature The Free Cooling is stopped if the outside temperature is lower or higher than the threshold defined in set point 3511 Free cooling is forbidden on high limit for a set point adjustment over 20 0 c Free cooling is forbidden on low limit for a set point adjustment lower than 20 0 c Outdoor humidity optional If humidity control option is selected the Free cooling is stopped if the external absolute humidity water weight is higher than the indoor absolute humidity Set point The Free Cooling is stopped if the set point 3353 is No Free contact optional Stop of Free Cooling by closing customized free contacts See minimum fresh air S above 0 A N the register of air is completely closed 100 A N the register of air is completely open 3353 gt Economiser functionauthorization adjustment by zone 3373 Low limit blowing temperature threshold 3511 gt Outdoor temperature threshold for authorization of the economiser function 3512 Maximum fresh air damper opening I ENNOX CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX J COMPRESSORS Function From a room temperature need Capacity Factor the compressors are started and stopped with a determined sequence in order to minimize the anti short cycle protec
86. ue 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 4 to increase or decrease the contrast Startup screens The DS50 display is provided to communicate with all the BM50s connected to the pLan bus alternately On activation of the display screen S 1 the line Unit line requests entry of the pLan number of the desired BM50 With button Tor Lreplace with the address of the BM50 and confirm with button D 50 service The S 2 screen appears Press the Prg button or any other button to continue LEN HO Press Pra ta start EI If a DC50 or a DM50 is connected to the BM50 the display and buttons BE on the remote display are inhibited and the word Lennox is displayed LENNOX This disappears as soon as the DS50 is disconnected from the BM5O This S 3 screen indicates the versions of the software loaded in the BM50 In this example it shows us A version 50 22 RT Roof Top and AirCooler program A version 4 10 Bios A version 4 03 Boot Language ar Ena lish RT 858 22 Bios 4414 Boot 44435 H EE In the case of a specific program for one job NSR this is identified by the S 4 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
87. ures 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 01h On its side the Climatic 50 automatic control system decrements the value of word 01h by 5 units every 5 seconds The following points are therefore not taken into account by the Climatic 50 automatic control system program if word 01h is equal to 0 and in this case the latter works with the internally programmed set points This function does not prevent writing of the 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 04H 05H 06H 07H 08H LENNOX CLIMATICTM50 OM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E Bits 03H 04H O6H 07H 08H 09H OAH OBH OCH ODH OEH 3934 gt Communication watchdog Configuring the BM50 pLan address Function It may be necessary to change the adress of the BM50 card on the pLan network mainly in the case of Master Slave installation or a DM50 To do this use the following procedure Description Set the address of the DS50 disp
88. ustomized with this functionality the air damper will open according to the sum value of all closed contacts In any case the minimum fresh air rate will be fixed according to the highest value between the set point and the request by contacts Adjustment by external signal optional The minimum fresh air can be remotely modified by a signal 4 20mA See Customized Input Output BE 50 For a signal of 4 mA applied on F A Offset the threshold is set to 0 For a signal of 20 mA applied on F A Offset the threshold is set to 10096 A linear rule is applied between the two limits Air quality sensor CO optional If a CO sensor is connected to the unit the minimum value of fresh air is calculated according to the CO rate This functionality can be activated or not within the 4 day zones Two opening mode may be selected e Fresh air damper opening between 0 and the minimum fresh air set point 0 Min Minimum Fresh Air 0 Set point Set point 2000 ppm 3513 3514 e Fresh air damper opening between the minimum fresh air set point and the maximum fresh air set point Min max Set point 3512 Minimum Fresf Air Set point Set point EES 3513 3514 I ENNDX CLIMATICTM50 IOM Rooftops Aircoolair CL50 ROOFTOPS IOM 1107 E LENNOX 2132 gt CO rate measured value of the ppm 3354 gt CO function authorization adjustment by zone 3515 gt CO function mode 0 Min Min Max 3513 gt CO

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