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User manual CLIMATIC™ 50 - CHILLERS

1. These conditions are ignored if the outdoor temperature is below set point 3341 1 C and if the outlet water temperature is below set point 3321 1 C in order to prevent the water from freezing A pump can be controlled by the Climactic 50 even if the network pump is not handled by the refrigeration unit electrically speaking In the case where the customer is handling the control of his own pump the following procedure must be followed Start the pump at least 1 minute before validating the remote ON OFF switch operation Switch off the pump 2 minutes at least after the remote ON OFF switch has gone to 0 In the case of double pumps the pump N k is running if all of the following conditions are met gt The conditions detailed above for the single pump must be met for the pump K gt In the case of forced operation pump N k is running set point 3711 is set to P1 Only for pump N 1 and P2 Only for Pump N 2 gt When running Standard Backup operation pump N k has priority Set point 3711 set to P1 N_P2 R for Pump N 1 and P2 N P1 R for pump N 2 gt In the case of equalized run time operation the running time of pump N k is the smallest In case of a fault on a pump when the set point 3711 is set to P1 N_P2 R P2 N P1 R or Clock the second pump if available will automatically start NOTE Climactic 50 stops the pumps only 2 minute
2. CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page 16 CL50 CHILLER IOM 0808 E COMPRESSORS LENNOX gt Function From a outlet temperature need Capacity Factor the compressors are started and stopped with a determined sequence in order to minimize the anti short cycle protection effect and to equalize the operating time Description Compressors Start Stop sequences This sequence is set by the memorized compressor operating time and it also includes the other compressors back up function if they are not available However for circuits with tandem compressors small big the compressor management favours the unit performance COP rather than the compressor operating time balance The compressor starts if all the following conditions are satisfied The remote ON OFF switch for the complete unit is ON The ON OFF control for the considered circuit is ON The water circulation flow has been detected for at least 1 minute The unit the circuit and the compressor don t have major faults The control requires the starting of the compressor The compressor has the lowest operating time among the stand by compressors The compressor has been switch OFF for at least 1 minute The compressor has not been brought into service for at least 5 minutes Each compressor state can be checked on the following menus 2312 2322 2332 2342 2352 and 2362 To check the operating time of
3. Immediate shut down of the compressors on the failure circuit concerned Fault signalling If a DS50 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display only of the 3rd daily fault Display of fault 118 Circuit 1 128 Circuit 2 Reset The safety device is automatically cancelled 2 minutes after activation The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Solving the problem Dirty condenser Clean the condenser Clean the condenser ooo 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 CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page38 CL50 CHILLER IOM 0808 E EEV ERROR LENNOX Error code 210 220 Description The E E V Electronic Expansion Valve driver is not communicated with the Climatic 50 board on the pLAN network Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling Display of fault 210 Circuit 1 220 Circuit 2 Reset The safety device is automatically cancelled once the communication is re established Possible causes Solving the problem Wrong dev
4. Possible causes Solving the problem Power supply of the driver Check the connections wiring and voltage supply value CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 45 CL50 CHILLER IOM 0808 E COMMUNICATION LENNOX gt MASTER SLAVE Function Link several units in order to allow a Master Slave relationship between each unit 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 2to 4 gt Slave units Master Slave Modes Several master slave modes are available and may be configured by using set points 3913 Cascade mode The units start stop in cascade and try to reach the water capacity demand When all units are in standby the cascade mode selects the first unit to start the one which has the less operating hours When all units are in running the cascade mode selects the first unit to stop the one which has the higher operating hours 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 1 The unit stops Fault in one sensor or probe Fault in one or more compressors Fault in a back up heater Temperature Limit
5. 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 dr press the Alarm button directly wherever you are in the menu tree The history can store the last 32 alarms occurring on the unit Each alarm is memorised at the date and time of occurrence of the fault An active alarm is signified by the symbol An acknowledged alarm is signified by the symbol Each alarm is signified by a 3 digit code see ERROR CODES Press the Alarm button to reset all the alarms if possible The number of active alarms returns to 0 no active alarm is shown in the menu and the Alarm button is no longer illuminated Pressing the Alarm key for more than 10 seconds resets the history of the 32 alarms to zero To highlight the title of the error code position the cursor over the line desired with buttons Tor L 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 a Screen S 14 is used to change a set point e g Minutes p 3122 The maximum and minimum thresholds for the parameter ar
6. Outlet Temperature Compressors Circuit N 1 Deltat T Measure Inlet Outlet Compressors Circuit N 2 Deltat T Calculated Inlet Outlet at full load T 2 Defrost Control reversible units only B KB NG S ma T 3 Fan Condensing Control Capacity limit Outdoor Temperature CIR CAPA SP T HP Circuit N 1 Capacity C1 Actual Set point C1 THP C1 Circuit N 2 Capacity C2 Actual Set point C2 T HP C2 T 4 Frigorific Pressure Circuit N 1 T 5 Frigorific Pressure Circuit N 2 Superheating set point Opening of the EEV Superheating value Opening of the EEV steps High pressure Bars High pressure C g lt 250 000 gt VV ar a Low pressure Bars Low pressure C sa Actual Cooling Capacity Max Cooling capacity Suction Temperature LENNOX Electronic Expansion Valve only EEV T 6 Operating Hour Counter of Circuit N 1 Compressor N 1 T 7 Operating Hour Counter of Circuit N 1 Compressor N 2 p T 8 Operating Hour Counter of Circuit N 1 Compressor N3 pa at 37m 455 T 9 Operating Hour Counter of Circuit N 2 Compressor N 1 i T 10 Operating Hour Counter of Circuit N 2 Compressor N2 8 EE a T 11 Operating Hour Counter of Circuit N 2 Compressor N3 LENNOX Depend on the number of compressor on the unit T 12 Operating Hour Counter Evaporator Pump N 1 T 13 Operating Hour
7. e 5 digital 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 and 3864 Description The wiring connection between the BM 50 and the BE 50 is described on the following figure Power 26 Supply 7 BM 50 34 24Vac M0 7 p 8 i tLAN The various possibilities of customized inputs outputs functions can be configured as follow Please respect the wiring connections warning before connect the free input output cf WIRING CONNECTIONS section DIGITAL OUTPUTS NC or NO DRY CONTACTS Electrical characteristics Maximum commutable power 2000VA 250Vac The corresponding between the connectors and the settings is 3831 gt Setting for the digital output on the connector BE50 J5 NO1 3832 gt Setting for the digital output on the connector BE50 J6 NO2 3833 gt Setting for the digital output on the connector BE50 J7 NO93 3834 gt Setting for the digital output on the connector BE50 J8 NO4 The following items can be used for each output Free Dry Contact Not Used Contact not used C 1 Alarm Alarm on circuit N 1 C 2 Alarm Alarm on circuit N 2 Fans Al Alarm on the condensing fan Pump Al Alarm on the pump Flow Al Alarm on the flow ra
8. 118 121 122 124 125 127 128 210 211 214 215 216 217 219 220 221 224 225 226 227 228 Flow Rate Water Evaporator Electrical Heater s High Outlet Water Temperature Low Inlet Water Temperature Low Outlet Water Temperature High Inlet Water Temperature Pump Flow Pump 1 Pump 2 Clock card BE50 Temperature Probe Water Inlet Temperature Probe Outside Temperature Probe Water Outlet Temperature Probe Water Heat Recovery Inlet Temperature Probe Water Heat Recovery Outlet Circuit 1 Condenser fan Circuit 2 Condenser fan Circuit 3 Condenser fan Correction Power factor Circuit 1 Probe High Pressure Circuit 1 Probe Low Pressure Circuit 1 Compressor s Circuit 1 High pressure Circuit 1 Low pressure Circuit 1 Risk of Frosting Circuit 2 Probe High Pressure Circuit 2 Probe Low Pressure Circuit 2 Compressor s Circuit 2 High pressure Circuit 2 Low pressure Circuit 2 Risk of Frosting Circuit 1 EEV Driver Circuit 1 EEV Low Superheat Temperature Circuit 1 EEV L O P Circuit 1 EEV Valve NOT Closed Circuit 1 EEV Probe Low Pressure or Suction Temperature Circuit 1 EEV Motor Circuit 1 EEV Battery Circuit 2 EEV Driver Circuit 2 EEV Low Superheat Temperature Circuit 2 EEV L O P Circuit 2 EEV Valve NOT Closed Circuit 2 EEV Probe Low Pressure or Suction Temperature Circuit 2 EEV Motor Circuit 2 EEV E E P R O M CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page 2
9. Each alarm is signified by a 3 digit code see ERROR CODES Press the Alarm button to reset all the alarms if possible The number of active alarms returns to 0 no active alarm is shown in the menu and the Alarm button is no longer illuminated To highlight the title of the error code position the cursor over the line desired with buttons Tor 4 then confirm with the Enter button Use the Esc button to return to the previous levels From the main screen press the button The Sdc 11 screen appears To stop the unit With button Tor set the value to Yes and confirm with button 2 The unit stops and the Sdc 12 screen appears WARNING Switching off the unit disables all the safety devices Pressing the Esc returns to the main screen If the unit is stopped the Sdc 12 screen appears To start the unit press button The unit starts and the main screen appears This function overrides the operating periods for a maximum of 7 days Sdc 13 OC 50 comian Set Ouerride period Unocour HTH TFSS From the Sdc 11 screen press button twice to position the cursor over the Override a period line With button Tor J set the period desired and confirm with button The Sdc 13 screen appears With button for J 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 m
10. Outside air temperature Current time period Z A Z B Z C Uno Mode of operation Heat Dead or Cool This function can be used to override either the desired outlet temperature for 3 hours Sdc 3 DC 50 comfort cq 12 8 On fe i i Out 15 6 Ove Cool Wi If an override is active the time period display is alterned with the Ove symbol The Esc button is used to cancel the override mode From the main screen press button or 4 CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 52 CL50 CHILLER IOM 0808 E DC50 COMFORT DISPLAY Sdc 4 DC 50 comfort luerride 3 hours hater 88 8 Cooling LENNOX gt Screen Sdc 4 is used to change the override values The present time period is shown on the 2nd line This period will remain fixed for 3 hours Press to position the cursor over the Water SP line With button Tor to set the desired temperature and confirm with the Enter button Press o position the cursor over the Mode SP line With button T or Vto set the desired mode and confirm with button The DC50 returns to the main display A single press on the Esc button cancels the changes and returns to the main screen It will revert back to the main screen after 15 seconds without any activity Clock Menu These screens are used to display and change the time and date on the BM50 Sdc 5 From the main screen press
11. Sp WHeat 1 BMS Occupation Water SP Required water O Sp WHeat 1 BMS DRR eek I Sp WCool 1 Uno Inoccupation Water SP Required water O Sp WCool 1 Uno Sb NET 1 ANL 22 Ola PHP2 105 output Pressure High Circuit 2 Bar Pressure Low Circuit 2 Bar 7 s gt O N NINDNININIMNIN O O RIwW ND lt O CLIMATICTM50 Chiller Heat Pump Internal use LENNOX technicians version CL50 CHILLER IOM 0808 E Page 69 BMS ADDRESSES TABLE LONWORKS LENNOX J INTEGER DA T INT me Cha Sp BMS Dog 8 input 208 a of the control by a computer or an automat mode BMS is activated if this INT O Sp BMS Dog output 208 value is different from zero This value is decreased every second r Sp_RunUnit BMS 8 input 209 Unid without pump 0 Started 1 Stopped Unit with pump 1 Stopped 2 P1 Only 3 P2 O Sp RunUnit BMS 8 output 200 ak 4 P1 N P2 S 5 P2 N P1 S 6 P1 P2 by cloc Sp ChOver BMS 8 input 210 Unit Change over 0 Cool Only 1 Heat Only O Sp ChOver BMS 8 output 210 2 Auto Pump 3 Auto No Pump I Sp Rotat BMS 8 input 211 Unit Activation of the circuits 0 C1 Only 1 C2 OSpRotat BMS 8 output 211 Only 201 02 by clock 225 Alarm bit 0 Flow switch bit 1 High Temperature Outlet bit 2 Low Temperature Inlet bit 3 Low Temperature Outlet bit 4 High Temperature Inlet bit 5 Pump 1 bit 6 Pump 2 bit 7 Real Time Cl
12. unoccupied for the remaining of time Sunday included CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Pagett _ CL50 CHILLER IOM 0808 E ANTICIPATION LENNOX gt Function This allows an anticipated start up in the morning depending on the outdoor temperature Description This function only works for zone A and allows the unit to move from unoccupied zone to zone A earlier if the outdoor temperature is under a certain value Use this function to anticipate the heating start up during cool days Hour of starting zone A Air Temp Outside 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 Chiller Heat Pump Internal use LENNOX technicians version Page12 CL50 CHILLER IOM 0808 E CHANGE OVER REVERSIBLE UNITS ONLY LENNOX J Function For reversible units only this allows the reversible units to change automatically from winter to summer operation Description This function will change the unit from production of hot water to production of chilled water automatically and can be set up with following set points 3311 Change over mode accordin
13. 10 10 LPA TIME LIMIT Min 30 90 xo TIME FC Sec 5 600 570 OPON 3710 COOLPUMP 37M MODE is o 3800 CONFIG 3810 UNIT 3811 RANGE List 3812 SIZE List 3813 EEV NO YES 3820 OPTION PUMP i GLYCOL FREECOOLING RECOVERY PF CORRECT NO YES 3830 OUT CUSTOM i 3840 IN CUSTOM i 3850 IN CUSTOM i 3860 GENERAL 3861 STANDARD SP NO YES 3900 COM 3910 MASTER SLAVE ee TYPE i OUTLET i OUTSIDE i 3920 BMS ID TYPE BAUDRATE List WATCHDOG List BMS INOC OFF ON The Min Max and Factory values can vary according to the configuration of the unit Menus 38xx SEE e e o ola a a a ala 3 3 a KN O 999 CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page63 CL50 CHILLER IOM 0808 E CLIMATIC 50 INPUT OUTPUT MAPPING BM50 Main board Climatic 50 Base Board LENNOX gt J5 ID1 J5 ID2 J5 1D3 J5 1D4 J5 1D5 J5 1D6 J5 1D7 J5 1D8 J7 ID9 J7 1D10 J7 ID11 J7 1D12 J8 1D13 Comp State Security HP Fans State Comp State Security HP Fans State Remote ON OFF Reset Alarm Flow Switch Pump State Fans State Cosq Custom 1 J12 NO1 J12 NO2 J12 NO3 J13 NO4 J13 NO5 J13 NO6 J14 NO7 J15 NO8 J15 NC8 J16 N09 J16 N010 J16 N011 J17 NO12 J17 NC12 J18 NO13 J18 NC13 Comp 11 Comp 12 Comp 13 Comp 21 Comp 22 Comp 23 FanCom V4V V2V Pump 1 Pump 2 Bottle V4V V2V Al
14. Modbus Connection must be carried out by the following cable Cable length up to 300m AWG22 0 34 mm 2 pairs crossed with screen Cable length up to 1000m LiYCY P 0 34 mm 2 pairs with general shield The cable length should not exceed 1000m For a better electromagnetic protection LENNOX recommends the use of LiYCY P cable CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page8 _ CL50 CHILLER IOM 0808 E CONFIGURATION LENNOX gt Function LENNOXO proposes a parametric designed software for the NEOSYS chillers amp Heat pumps ranges For a first use before any operation of the unit Climatic 50 must be set with parameters in accordance to the range the size and the various options of the unit Description The unit configuration is done with following menus refer also to Menu Tree chapter 3811 gt Unit range choice NAC NEOSYS air water cooling only NAH NEOSYS air water reversible heat pump NSR Non standard request unit 3812 gt Unit size choice NAC NAH NAG 200 STD NAH200T NAC 230 STD NAH230T NAG 270 STD NAH270ST NAG 300 5TD NAH300ST NAC 340 STD CQ C CU Hf NAC 38 4 NAC 480 S1D 3813 gt Unit with or without Electronic Expansion valve 3821 gt Evaporator pumps configuration No single or double 3822 gt Installation glycol percentage 3823 gt Option free Cooling or not 3824 gt O
15. Pump Internal use LENNOX technicians version Page24 CL50 CHILLER IOM 0808 E STANDARD INPUT OUTPUT LENNOX Function The Climactic 50 main board BM 50 offers free dry contacts to control the unit These free dry contacts are connected directly to terminals orange colour identified as follow 824 825 24V relay customers power supply Option 826 827 24V power ON the unit Option 804 805 Remote alarm reset NC Enable Reset 808 809 Water evaporator customer flow switch 890 891 Remote ON OFF of the unit 870 871 872 Alarm relay NC Alarm OFF Connection The following figure described how to connect the free dry contacts of Climactic 50 For the contacts 824 825 and 826 827 refers to the electrical diagram 890 808 Remote ON OFF Water Evaporator Flow Switch Open Unit OFF Open Flow OFF Closed Unit ON 809 Closed Flow ON l e e e e e e e e e e e e oe e e o e o e o a a m m mm a i a a 891 Remote Reset Alarm Open Reset OFF 804 Closed Reset ON 805 The reset is enable only on a positive front edge of the signal T CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page25 CL50 CHILLER IOM 0808 E ERROR CODES ALARMS LENNOX gt 001 011 012 013 022 023 040 041 042 070 071 081 083 085 086 087 092 093 094 108 111 112 114 115 117
16. STATE OFF ON SW RELAY OFF ON SW HP OFF ON SW LP OFF ON VALVE OFF ON RUN TIME Hour 2330 CIRC 1 COMP 3 CONFIG List STATUS List SW STATE OFF ON SW RELAY OFF ON SW HP OFF ON SW LP OFF ON VALVE OFF ON RUN TIME Hour 2340 CIRC 2 COMP 1 CONFIG List STATUS List SW STATE OFF ON SW RELAY OFF ON SW HP OFF ON SW LP OFF ON VALVE OFF ON RUN TIME Hour 2350 CIRC 2 COMP 2 CONFIG List STATUS List SW STATE OFF ON SW RELAY OFF ON SW HP OFF ON SW LP OFF ON VALVE OFF ON RUN TIME Hour 2360 CIRC 2 COMP 3 CONFIG List STATUS List SW STATE OFF ON SW RELAY OFF ON SW HP OFF ON SW LP OFF ON VALVE OFF ON RUN TIME Hour 2400 EEV 2410 CIRCUIT 1 CONFIG List STATUS OFF ON POSITION 2420 CIRCUIT 2 CONFIG List STATUS OFF ON POSITION 2500 FAN 2510 CIRCUIT 1 CONFIG List STATUS List SW STATE OFF ON MODE List VALUE C MAXIMUM CAPACITY 2520 CIRCUIT 2 2521 CONFIG List 2522 STATUS List 2523 SW STATE OFF ON 2524 MODE List 2525 VALUE C 2526 MAXIMUM 2527 CAPACITY CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 61 CL50 CHILLER IOM 0808 E DS50 MENU TREE LENNOX gt 2600 OPTION 2610 COOL CONFIG List PUMP 2612 STATUS 1 List 2613 STATUS 2 List 2614 SW STATE OFF ON 2615 SW RELAY 1 OFF ON 2616 SW RELAY 2 OFF ON 2617 RUN TIME 1 H 2618 RUN TIME 2 H 3000 SETTING 3100 GENERAL 3110 ORDER ON OFF OFF ON OFF OFF ON OFF 3113 RESET ALARM NO YES ca 3
17. With button Tor L set the start time for period C and confirm with button Position the cursor over the Uno period With button Tor set the unoccupied period and confirm with button Position the cursor over period A Pressing the Esc returns to the main screen Select the day of the week by repeatedly pressing the Clock button It will revert back to the main screen after 15 seconds without any activity Major Alarm Sdc 8 DSP comian In the event of activation of a fault on the unit screen Jr Sdc 8 is displayed 42 28 Button Prg is illuminated R ap Pack RZ All buttons are deactivated Il for ma l Bilge c 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 CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page54 CL50 CHILLER IOM 0808 E DC50 COMFORT DISPLAY Sdc 9 Alarm Bi BL 09707 IMEF 999 EZ 09 07 IMEF BES LS T 17905 BEL DC 50 comfort FE 99 07 17h99 AA B Flow Faulty Start stop Sdc 3 DC 50 comfort DC S comian DC 50 comfort 1 week override LENNOX gt 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
18. and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Important For manual reset of internal protection cut off if the problem comes from a high discharge temperature wait for 30 min prior to any manual reset to allow the scroll temperature to decrease sufficiently If the temperature is still too high the compressor will trip again just after starting Solving the problem Dirty condenser Clean the condenser Fan out of order Replace the fan Incorrect wiring of the high pressure switch Check the wiring of the high pressure switch CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page 37 CL50 CHILLER IOM 0808 E EVAPORATOR FREEZING PROTECTION LENNOX J Error code 118 128 Description This fault signal is activated on units chilling water without frost protection additives Water without Glycol or Brine and with thermostatic expansion valves One compressor from the considered circuit has been running for at least 2 minutes 4 minutes for reversible units and the saturated temperature T BP is lower than the set point 3421 for more than n minutes for reversible units only This safety feature is disabled for n minutes after start up or stop of a compressor on the considered circuit N N Nr 4 minutes during 15 min after starting of the circuit 2 minutes after Action
19. 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 Incase of Master Slave installation one and only one display DS50 must be connected on the pLan bus DISPLAY DC50 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 A y _ gt CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page5 CL50 CHILLER IOM 0808 E WIRING CONNECTIONS LENNOX gt Display DC50 or DM50 is connected to the Climatic with the DT50 screw connector Connection must be carried out by the following cable o Cable length up to 300m AWG22 0 34 mm 2 2 pairs crossed with screen o Cable length up to 500m LIYCY P 0 34 mm 2 2 pairs with general shield The cable length should not exceed 500m For a better electromagnetic protection Lennox recommends the use of LIYCY P cable CONNECTION ON DT5
20. defrost will be initiated shortly after the Climatic 50 has located the largest gradient in the curve Temperature difference between coil and outdoor Coil Coil clean Coll freezing frozen Defrost cycle start Highest gradient Time 3621 gt Defrost mode 3622 gt Outside air temperature under which the defrost cycle is activated 3623 gt LP temperature under which the defrost cycle is activated for the cyclic mode and defrost cycle activation sensibility for the dynamic mode standard ratio between dry coil AT and iced coil AT 3624 gt Minimum compressors operating time between 2 defrosts 3625 gt Number of times the fans restart depending on according to pressure CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page 18 CL50 CHILLER IOM 0808 E SUPPLEMENT OF HEATING REVERSIBLE UNITS ONLY LENNOX gt Function The heat pump units allows to control supplementary of heating capacity providing dry contacts to connect up to 4 electrical heaters on the expansion board BE50 driven by the Climactic 50 The supplement of heating stages are started and stopped with a pre determined order See the complete description below Description Operation priority Compressors Additional heating From factory setting in heat pump mode Climatic 50 starts compressors first and then if necessary starts additional heating The electrical heaters start if all
21. each compressor use menus 2318 2328 2338 2348 2358 and 2368 To reset an operating time counter put the DS50 cursor on the line and press the key ENTER during 20sec Compressor operation authorization The Climactic 50 may limit the operation of the compressors according to the outdoor temperature As well the user may choose to limit the operation of the compressors by using contacts or the DS50 settings Outdoor temperature All compressors are automatically disabled if all the following conditions are satisfied e The unit is equipped with thermostatic expansion valve e The unit is operating in cooling mode e The outside temperature is below 5 0 C High pressure unloading e High pressure unloading consists in reducing the circuit capacity by stopping one or more compressors on the concerning circuit before the high pressure reaches its limits in order to keep a partial capacity with high outdoor temperature DS50 Settings e Stop one or several compressors of the unit defined by the settings 3411 3412 of the terminal DS50 If the compressor number is not displayed the compressor is disabled 3411 gt Compressors authorization on the circuit N 1 adjustment by zone 3412 gt Compressors authorization on the circuit N 2 adjustment by zone Free contacts Optional See Customized Input Output BE 50 e Stop one of the two circuit of the unit all compressors on the concerning circuit defined by the sett
22. fan thanks to the inverter ATV21 which constitutes a frequency speed variation driver Operation The unit uses one fan driver by circuit except for specific size of unit which use a third one common to the two circuits There are two types of condensation temperature set point e For units using thermostatic expansion valve the set point is defined by the setting 3616 e For units using electronic expansion valve the set point is automatically calculate according to the outdoor temperature This function offers better efficiency during operating in part load compressors Set Point Condensation C 37 C 47 C T Outside CC Condensation set point for units with electronic expansion valve e The condensing pressure is controlled by a P I D algorithm which is configurable thank to the settings P 3613 Proportional set point 3614 Integral set point D 3615 Derivate set point Process Variable FD FD P PI Set point CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page20 CL50 CHILLER IOM 0808 E SMART ACOUSTIC SYSTEM LENNOX J Function The fan speed limit is controlled by the Smart Acoustic System which allows progressive adaptation of the unit to the building load while respecting the noise level constraints and the operating limits Description The maximum sound level and the fan strategies can be adjusted per time zone ZA ZB ZC ZD Inoc B
23. fault 9 0 S amp S gt Filter fault CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page 46 CL50 CHILLER IOM 0808 E COMMUNICATION LENNOX Rotating back up mode Same as Back up mode except the back up unit changes every Tuesday at 09 00 if none of the other units is faulty Master Slave outlet temperature outside temperature Function may be configured using set points 3914 3915 The outlet and outside temperatures used for the unit control can be determined from the following calculations Not Used gt Each machine regulates with its own sensors WS Temp gt Slave units regulate with the values of the Master unit probes or sensors WS 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 3912 In all modes each unit is independent for fault management 3911 gt pLan address see chapter Configuring the pLan address of the BM50 3912 gt Number of cards connected or number of compressors desired 3913 gt Master Slave Mode Not Used None Backup Back up mode Rol Backup Back up mode weekly rotation Cascade Cascade mode 3914 gt Choice of management of outlet temperatures 3915 gt Choice of management of outside temperatures CLIMATIC 50 Chiller Heat Pump Internal use LENNOX te
24. 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 lt then evolves following the principles detailed in the diagram below case of a chiller 2K CF INCREASES CF FROZEN Start more Capacity Stages IK Difference between the outlet water temperature and the OK set point IK CF FROZEN 2K Ls Water Temperature 7 g 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 In any cases for a chiller if the low water temperature limit is reached compressors are stopped Moreover the set point 3325 limits the power factor in cooling mode and the set point 3335 set point limits the power factor in heating mode The control calculates the difference between the Inlet and Outlet water temperature Example For a unit with 2x2 scroll compressors with six steps 16 6 by stage if the 3326 set point is equal to 5 C then 5 6 0 8 C and if the chilled water Inlet temperature set point is equals to 7 C the power factor can go up to the 16 6 1 stage only if T Inlet gt SP Water 3321 0 8K Then the power factor can go up to the 32 2 2 stages only if TInlet SP Water 3321 1 6K 2x0 8K and so
25. high pressure switch Check the wiring of the high pressure switch Dirty filter drier Replace the filter drier CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page34 CL50 CHILLER IOM 0808 E FAN S CIRCUIT BREAKER S OPEN LENNOX J Error code 092 093 094 Description The condenser fan motor control is no longer active Action The unit carries on running Fault signalling Memorisation is displayed Reset The safety device is automatically cancelled is the fault disappeared Solving the problem Motor thermal protection devices activated Check the air system Motor thermal protection devices activated Check the motors Problem with the fan wiring Check the connections CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page35 CL50 CHILLER IOM 0808 E COMPRESSORS SHUT DOWN ON LP CUT OFF LENNOX J Error code 117 127 Description The low pressure switch off the circuit has been open for 2 minutes while one of the compressors on the circuit has operated The low pressure switch off the circuit has been opened for 1 hour Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling If a DS50 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display only of the 3rd daily fault Display of fault 117 Circuit 1 127 Circuit 2 Reset Automatic res
26. not used not used not used not used not used Alarm Code Error Temperature Inlet Water Temperature Outdoor Air Temperature Outlet Water Temperature High Circuit 1 Temperature Low Circuit 1 Temperature High Circuit 2 Temperature Low Circuit 2 EEV Saturated evaporation temperature Circuit 1 EEV Saturated evaporation temperature Circuit 2 not used not used of opening Fan Modulation Circuit 1 of opening Fan Modulation Circuit 2 not used not used Temperature Temperature Free 1 BE50 J9 B1 Temperature Temperature Free 2 BE50 J9 B2 Temperature Temperature Free 3 BE50 J10 B3 Temperature Temperature Free 4 BE50 J10 B4 not used not used not used CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version CL50 CHILLER IOM 0808 E LENNOX gt Page 67 BMS ADDRESSES TABLE MODBUS BACNET TREND CAREL 10 1 0 10 1 0 c 10 1 0 c 10 1 0 c 10 1 0 10 1 0 c not used EEV Current superheating value Circuit 1 EEV Current superheating value Circuit 2 not used not used not used not used Alarm bit 0 Flow switch bit 1 High Temperature Outlet bit 2 Low Temperature Inlet bit 3 Low Temperature Outlet bit 4 High Temperature Inlet bit 5 Pump 1 bit 6 Pump 2 bit 7 Real Time Clock bit 8 BE50 bit 9 not used bit 10 Probes amp Sensors bit 11 Fans Condenser Ci
27. over Mode aa A With button Tor L set the desired mode for period A and confirm with Winter 13 8 c BL button Summer 22 6 C With button Tor L set the winter outside temperature the period A and confirm with button With button Tor set the summer outside temperature the period A and confirm with button Press the button Clk to change the time period Repeat the procedure for each time period Z A Z B Z C Uno Sdc 7 b From the Sdc 7 a screen press the Prg button Screen Sdc 7 b displays the water set points With button Tor L set the desired temperature for period A and confirm with button DC 50 comfort 1 A ater one m o 48 5 38 8 67 8 12 6 le Press the button Clk to change the time period n Heat Cool i IQ 00 6 19 0 22 6 30 0 F j Repeat the procedure for each time period Z A Z B Z C Uno Calculated Calculated Set Point HEATING MODE Set Point COOLING MODE 40 0 C 10 0 C 1 Gude SE v 07 0 C 1 I Sdc 7 c O OC 190 C OutdoorT 20 C DPC Outdoor T From the Sdc 7 b screen press the Prg button Screen Sdc 7 b displays the period settings IEE ml Position the cursor over period A Start gh 25 22 BG With button Tor V set the start time for period A and confirm with iD ZZ Eh Uno zza ME button a 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
28. switching on the card the configuration mode by pressing buttons 1 L simultaneously for at least 5 seconds until the Sdc 1 screen appears Press the Enter buttonto position the cursor over the Setting line With button Tor yset the address of the display See table below for the DC50 the DM50 is always 31 then confirm with button Z pLan address with DC50 Address BM50 connected remote display ZN EN VG 22 remote dala ee remote 9 ML VE ae display remote display NZ CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 51 CL50 CHILLER IOM 0808 E DC50 COMFORT DISPLAY Sdc 2 DE 50 eamiert blsrlaw address chander Main screen Sdc 3 DC 50 comfort 12 8 On M Out 15 6 Z A Cool IJ 3 hours override LENNOX gt The Sdc 2 screen appears If after 5 seconds the display is not correct Return to the configuration mode by pressing buttons T 4 lt simultaneously for at least 5 seconds until the Sdc 1 screen appears Press button to position the cursor over the Setting line Press the button again to position the cursor over the I O board address line With the button for vreplace with the address of the BM50 connected and confirm with button Then repeat the procedure Allocation of Displays to the BM50Q On the first line as a double display Outlet temperature On the second line
29. the BM50 LENNOX This S 3 screen indicates the versions of the software loaded in the BM50 In this example it shows us A version 050 01 NA NEOSYS program A version 4 22 Bios A version 4 03 Boot In the case of a specific program for one job NSR this is identified by the display of a factory number to the left of the S 4 program version Language selection Twelve languages are currently available DE DK FR GB IT NL PL PT RO SE SP TR but only 2 are installed in the factory English xxx The language required must therefore be specified at the time of ordering If required another language can be downloaded on site by a Lennox technician With button Tor Vselect English or the second language initially loaded and confirm with button lt To continue without changing the language press the Prg Esc or buttons LENNOX CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page56 CL50 CHILLER IOM 0808 E DS50 SERVICE DISPLAY LENNOX Navigation in the screens Main menu 0000 DS 50 service 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
30. 0 DERIVATOR 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 wire function connections earth shield VRL 30Vdc Ist pair A GND nd pair A Rw Tx ard pair A RXITX ord pair B GND nd pair B WRL 30Vde Ist pair B BM50 on connector C DC50 on connector A or C 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 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 be powered CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version 1 Page6 CL50 CHILLER IOM 0808 E WIRING CONNECTIONS LENNOX gt If J14 and J15 are set in different positions the terminal connection board DT50 DOES NOT WORK and so the connected displays do not operate Ferrites Protection of Displa To avoid the appearance of disturbances HF which can cause the destruction
31. 114 RESUME NO YES YES 3115 TEST List 3 3120 CLOCK 3122 MINUTE i 3124 MONTH 3125 YEAR 3126 WIN SUM NO YES Z O I mM wow DPIZ z 3200 SCHEDULE 3210 TIME START INOC H 0 0 3212 START Z A H 0 0 3213 START Z B H 0 0 3214 START Z C H 0 0 3220 ANTICIPATION 3221 FOOT C 20 10 annet fm o o 3300 CONTROL 3310 CHANGE OVER 3311 MODE W 0 3312 WINTER C 19 3313 SUMMER V 20 22 3320 COOL SP WAT 1 C 5 7 WATER 3322 SP WAT 2 C 5 7 3323 SP OUT 1 C 10 22 3324 SP OUT 2 C 10 30 3325 CONTROL C 1 5 Sec 1 30 3330 HEAT SP WAT 1 C 17 50 WATER 3332 SP WAT 2 C 17 50 3333 SP OUT 1 C 10 19 3334 SP OUT 2 C 10 0 3335 CONTROL C 1 10 Sec 1 30 3340 SAFETY COOL LOW C lt 5 3342 COOL HIGH C T 53 3343 HEAT LOW C 3 5 3344 HEAT HIGH C sy 55 3400 COMPRESSOR 3410 CIRCUIT 3411 ENABLE C1 List 7 3412 ENABLE C2 List Ti 3413 ROTATION CIR 3420 SAFETY 3421 T SATU 3422 T COND O I O9 3423 T DISCHARGE 110 e E e EE E 3600 3610 CONTROL 3611 MODE 0 3612 LOW NOISE dBa 0 3613 P 500 200 3614 I Sec 360 10 3615 D Sec 120 3 3616 T COND C 45 40 CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 62 CL50 CHILLER IOM 0808 E DS50 MENU TREE LENNOX gt 3620 DEFROST MODE List 0 1 0 T OUTSIDE C 8 22 16 T COIL C
32. 6 CL50 CHILLER IOM 0808 E INSUFICIENT EVAPORATOR WATER FLOW RATE LENNOX J Error code 001 Description The flow switch FSE is detecting a low water flow rate in the evaporator heat exchanger for more than 3 seconds Action Immediate shut down of the complete unit Fault signalling Reset The unit restarts automatically 2 minutes after the onset of failure The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Solving the problem Problem with the pump control wiring Check the pump connections Problem with the flow switch wiring Check the flow switch connections Dirty or clogged water filter Clean the water filter Wrong setting of the flow switch Check the flow switch settings Problem with the pump control wiring Check the pump connections CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 27 CL50 CHILLER IOM 0808 E CHILLED WATER TEMPERATURE OUT OF RANGE LENNOX J Error code 012 013 022 023 Description The chilled water temperature Inlet or Outlet measured by the probe is outside the permitted range This range can vary according to the presence or not of glycol with the chilled water factory setting Lower limit of water temperature water temperature lt safety thres
33. 7 days of the week e Zone unoccupied Night Zone A Day A Zone B Day B Zone C Day C 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 gt Hour minute of the night starting time unoccupied 3212 gt Hour minute of the day A starting time 3213 gt Hour minute of the day B starting time 3214 gt Hour minute of day C starting time 8h00 12h00 13h50 20h30 22h00 CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page 10 _ CL50 CHILLER IOM 0808 E SCHEDULING CLOCK SETTING LENNOX J For each time zone the set following set points following can be modified 3311 watertemperature compressorenab e 3611 Yes Heating Water T Set point A 3331 Yes Yes Cooling water pumps i Beginning of zone each day Start zA 3212 Start z B 3213 Yes Yes Start z C Yes With the DS50 for each set point press on the key PRG to change the periods and to validate the good set point for the good zone Fancondensmg Ci Note Monday is considered as the first day of the week for programming the CLIMATICT 50 Factory settings Day A activated from Monday to Saturday 6h gt 22h Night mode
34. BM50 PLAN ADDRESS LENNOX Function It may be necessary to change the address of the BM50 card on the pLan network mainly in the case of Master Slave installation To do this use the following procedure Description Set the address of the DS50 display to 0 Sds 1 DS 50 service LENNOX Changing the address of BM50 Sds 3 DS 50 service address iMcresae decresae _ aave enit rLan address z increas decresae save enit LENNOX Reset the original address of the DS50 32 using the above procedure CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page49 CL50 CHILLER IOM 0808 E ALLOCATION OF DISPLAY TO THE BM50 LENNOX J 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 DS 50 service 1 1 board address di LENNOX erninal cant id p Press EHTER O continue LENNOX Trm1 is reserved to allocate the DC50 to the BM50 Its value differs depending on the pLan address of the BM50 See the opposite table Its status is always Pr Trm3 is reserved to allocate the DS50 to the BM50 lis value is always 32 Its status is always Sh If the terminal remains inactive no button is pressed for 30 seconds the configurati
35. Counter Evaporator Pump N Option LENNOX T 14 pLAN Bus LINK Number of BM50 board present on the pLan bus in case of several units LENNOX Number of BM50 board on the pLan bus in standby mode in case of several units CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page59 CL50 CHILLER IOM 0808 E DS50 MENU TREE Proof amm O 2110 TEMPERATURE 2000 DATA 2100 GENERAL 2120 CIRCUIT 1 2130 CIRCUIT 2 2140 OTHER 2150 2160 2170 OUT CUSTOM IN CUSTOM 2200 CONTROL 2300 COMPRESSOR 2310 2320 CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version CL50 CHILLER IOM 0808 E LENNOX OUTSIDE INLET OFFSET OUTSIDE T SUPERHEAT T COND T SATU T SUCT P COND P SATU AAG ADBIGAASG IN CUSTOM COOL WATER HEAT WATER CIRC 1 COMP 1 CIRC 1 COMP 2 T DISCH 11 T DISCH 12 T SUPERHEAT T COND T SATU T SUCT P COND P SATU T DISCH 21 T DISCH 22 SW ON OFF OFF ON SW FLOW OFF ON SW RESET OFF ON SW INOC OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON e e RSP COOL CAPA COOL OFFSET SW 2 SP RSP HEAT CAPA HEAT OFFSET SW 2 SP OFF ON CONFIG List STATUS List SW STATE OFF ON SW RELAY OFF ON SW HP OFF ON SW LP OFF ON VALVE OFF ON RUN TIME Hour CONFIG List b Bo db 4 Page 60 DS50 MENU TREE LENNOX gt STATUS List SW
36. E S uP I ie ine i te ta B 3 GOOO state ONS 50 e Se a Ke AA KOR eee av x 2505 eee a 2206 pg H i i Ak S i a w et ae ae ee TA OOO OOOO OWO PE SSE REET A wk A gt a 02 80 A 206 geet v SK R a Soe 2 07h00 12h00 17h00 22h00 If 3611 COOL there isn t any control of the capacity limit of the fan The capacity range is 0 100 If 3611 C amp QUIET the Climactic 50 controls the capacity limit of the fan according to the set point 3612 In case of condensing pressure too high the controller unlocks the capacity limit to prevent from HP security alarm If 3611 QUIET the Climactic 50 controls the capacity limit of the fan according to the set point 3612 In case of condensing pressure too high the controller unloads a compressor to contain the HP pressure Fan Fan Fan speed COOL speed COOL amp QUIET speed QUIET Compressor S Unloading Max 100 Max 100 Unloading A HP Unloading on HP pe zg A a r CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version 1 Page 21 CL50 CHILLER IOM 0808 E CUSTOMIZED INPUT OUTPUT LENNOX Function The Climactic 50 main board BM 50 and the optional expansion board BE 50 offers possibilities to customize some input output for remote control of the unit So it is possible to customize
37. L O P LOW OPERATING PRESSURE LENNOX Error code 214 224 Description The suction pressure expressed in C measured by the E E V Electronic Expansion Valve driver is outside the permitted value Low limit of suction pressure suction pressure lt safety threshold Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling If a DS50 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display only of the 3rd daily fault Display of fault 214 Circuit 1 224 Circuit 2 Reset The safety device is automatically cancelled 2 minutes after activation The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Solving the problem Not enough refrigerant in the circuit Adjust the refrigerant charge Faulty expansion valve Check that the expansion valve is operating correctly Faulty low pressure switch Replace the low pressure switch CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Pagedt CL50 CHILLER IOM 0808 E EEV VALVE NOT CLOSED LENNOX J Error code 215 225 Description The expansion valve has not been closed once the shut down of the compressor Action Immediate shut down of the compressors on the failure ci
38. LENNOX User manual CLIMATIC 50 cHiLLERs eee Providing indoor climate comfort CL50 CHILLERS IOM_0808 E LENNOX gt Climatic 50 CHILLER amp HEAT PUMP INCLUDING NEOSYS RANGE USER MANUAL Ref CL50 Chiller IOM 0808 E INTERNAL USE LENNOX TECHNICIANS VERSION LENNOX have been providing environmental solutions since 1895 our range of rooftop and chiller continues to meet the standards that have made LENNOX a household name Flexible design solutions to meet YOUR needs and uncompromising attention to detail Engineered to last simple to maintain and Quality that becomes a standard Further Information on www lennoxeurope com All the technical and technological information contained in this manual including any drawing and technical descriptions provided by us remain the property of Lennox and must not be used except in operation of this product reproduced issued to or made available to third parts without the prior written agreement of Lennox The technical informations and specifications contained in this manual are for reference only The manufacturer reserves the right to modify these without warning and without obligation to modify equipment already sold CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Paget CL50 CHILLER IOM 0808 E TABLE OF CONTENT LENNOX gt PAGE MO CUIG WON EE E EEEE EC EECC 4 MIARIGSEONNECHONE zawiei wali nia ro EN 5 ENN 9
39. MS on the Climactic 50 Customer can choose between High performance or Low noise operation Operation e The maximum sound level desired can be adjusted by the setting 3612 expressed in dBa The minimum sound level depends on the size of the unit and defines the maximum capacity of the condensing fan allowed Sound Power Limit dBA Max 34 dBa Max 89 dBa Max 36 dBa 07h00 12h00 17h00 22h00 e he Climactic 50 can manages 3 different strategies for the fan and compressors defined by the setting 3611 COOL C amp QUIET QUIET This set point controls the fan capacity and the compressors in case of condensing pressure too high Fan speed limit O A KEKE RPG AR EP Max 100 q V ee teat testi eee elect 2 Ke ERR LP f E E KC AA een FEN SAS Se cy cy oy oy Da wj am PES gt ee EE DCC SR SR RSRK SR RR RR ROR RO OA ARR Hs Max m f dBa a J Be Be i PP tg wata i OTYM AAU SNUTE i cor H 1 s LESS E a SSE SOE TET e x K d 2 308 S dk 050005002 OU AF k H pee F 7 ZP i 8 8 ae cee SAKA GE oe 4 ae w CA a w i i sh Ger er BL ean 2 LP E WA KARE ET a A ae 22 J PA esses teen ae oi ete s R oe ce 29002 ee a 3 i ae E Ge s Ke ue me 00005 ia 2505 25 are BSE KE 7 i ale w oe i r en 8 ae L 250 ee I H
40. Scheduling Clock S NNO EE 10 ANICIDAUOM REE ERE EE 12 Change over reversible units Only iinnaaaaaaaaaaaaaaaaaaaaaanaaaaaanauunnannannaaunnnannannananaaannnaaannaaaaaana 13 Evaporator pump s management a naaanaaaananaaannnaanananannnnanananannnaanananannnaanananannnaananaaa 14 Thermostat Dynamic Setpoint calculate a naaaaiaaaasnaaannnannnnanannnnnnnnnnnnnnnnnnnnnnnnnnnnnnuaan 15 Thermostat Control principle aiiaaaaaaaiaaaannannananannnnnannnannnanannnnnnannnnnnnannnnanannannannanunaanannaaani 16 GOMPIESSO RRS E EE EE 17 Defrost reversible units Only aainaaanaaaananaaanananaananannnnnnananannnnnnunannannnannnnanannnnnnanannannnnananaaa 18 Supplement of heating reversible units Only aaaaaaaaaaaaaaaaaaaanaaaaananaaaanaanaaaananaaaanannaaaaaanaaa 19 Condensing fans COMMON ucnassinacioinsenibaniiaciksestkoi kungkai AEO KASE EEK oc AE 20 Smart Acoustic System uaiuaaaaaaaaaaaaanaaaaaanananaanaannaanaannnannaanannanaananannannaannannnanaaannannaannannaanaaana 21 CUSTOMIZE INPUU OUDU Laser enden YE OAK Aro radu 22 Standard input output OE 25 Insufficient Evaporator Water Flow Rate aaaanaaaaaanaaaaaaaan naaananaananananananaanaannanaanananananaa 27 Chilled Water Temperature Out of Range aaaaaiaaaaaaaanaaaaaaanaaaananaaaanaanaaaananaaanaannaaaaaanaaa 28 Electrical Heater s Elements anaaainaaanaaaananaaannnannnnna
41. Write hour amp minute not used Dry contact Digital Output Free 1 BE50 J5 NO1 Dry contact Digital Output Free 2 BE50 J6 NO2 Dry contact Digital Output Free 3 BE50 J7 NO3 Dry contact Digital Output Free 4 BE50 J8 NO4 not used not used not used not used not used not used not used not used not used not used not used Alarm General alarm On Off Pump 1 On Off Pump 2 On Off Compressor 1 Circuit 1 On Off Compressor 2 Circuit 1 On Off Compressor 3 Circuit 1 On Off Compressor Heat pump Circuit 1 On Off Compressor 1 Circuit 2 CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version CL50 CHILLER IOM 0808 E LENNOX gt Page 65 BMS ADDRESSES TABLE MODBUS BACNET TREND CAREL LENNOX On Off Compressor 2 Circuit 2 On Off Compressor 3 Circuit 2 On Off Compressor Heat pump Circuit 2 not used not used not used not used not used Dry contact Digital Input Free 1 BM50 J8 ID13 Dry contact Digital Input Free 2 BM50 J8 ID14 Dry contact Digital Input Free 1 BE50 J4 ID1 Dry contact Digital Input Free 2 BE50 J4 ID2 Dry contact Digital Input Free 3 BE50 J4 ID3 Dry contact Digital Input Free 4 BE50 J4 ID4 Water Cool Mode Operating not used R R R R R R R R R R R R R R R R R R R R R R R R Water Heat Mode Operating Description BMS Activation of the control by a compute
42. aaaaaaaaanannanaanananaanannanaananaananannanaanannananannananannanannannaaaa 42 EEV Faulty Probe or SENSOr esse oe ce ei O EA ad AA EEEE AA EE AotP RWE EE da PiE EAP BE data 43 FE FE NG 44 FEE RNA 45 COMMUNICA TON resene Ae rE ARE E er EEE 46 Configuring the BM50 pLan address aaaanaaaaaaaaanaaaaa naaaaaaanaaaananuaaanaanaanananaaaanannaaanaanaaa 49 CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page2 CL50 CHILLER IOM 0808 E TABLE OF CONTENT LENNOX gt Allocation of Displays to the BM50 aaanaananaaaaaaaaaa aaaa aaaaanaaananaaaanaaaannaanananannnaananaaannnaaannaaa 50 DC50 COMFORT DISPLAY rervrrrrvvrvrrrvvevvnvnrrerrrevenernrerererrrerersnrnersrenenerennnnnnnnnnnnnnnnnnnnnnnnnnnnnnee 51 DENNE OPLAV a i a a l a a Ea 56 DODSONIENUFTREE Le 60 CLIMATICTM50 Input Output Mapping aaaaaaiaaaaaaaaaaaaa aaasaaanaaauaanaaanaanuaanaanuaanaanananuaanaannaanaaana 64 BMS Adresses Table ModBus BacNet Trend Carel annaaaaannnannaanaa n nnaaasaannannnaaaa 65 BMS Adresses Table Lon Works aaaiiaaaaaaaanaaaananaaaanannanannanaaaanannanaanananaanannananannanaanananaananl 69 CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version 0000 Pages CL50 CHILLER IOM 0808 E INTRODUCTION LENNOX CLIMATIC 50 The new generation of microprocessor based control CLIMATIC 50 may be fitted to the Lennox Chiller or Heat pump ran
43. arm High Pressure Low Pressure High Pressure Low Pressure T Evap inlet T Evap Outlet Outside T DI BE50 Custom 1 BE50 Custom 2 BE50 Custom 3 BE50 Custom 4 J5 NO1 J5 NC1 Custom 1 Climatic 50 Expansion Board J9 B1 Custom 2 Custom 3 Custom 4 Al AO Disch T Comp 11 Custom 1 J4 Y1 Disch T Comp 12 Custom 2 Disch T Comp 21 Custom 3 Disch T Comp 22 Custom 4 V4V Reversing valve for heat pump unit only V2V Liquid valve for chiller unit without electronic expansion valve Option Power factor Correction If not electronic expansion valve CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version CL50 CHILLER IOM 0808 E Page 64 BMS ADDRESSES TABLE MODBUS BACNET TREND CAREL LOGICAL DATA O ONO OI EO NN DD D DD D D D D JU DI D NJ DID D D D D JU JU U J DJ VU JJ U DID DID DID I Description On Off General On Off of the unit Off Unit OFF On Unit ON Reset Discharges the safety measures of the unit BMS BMS On Off of the unit Off Unit OFF On Unit ON not used BMS Activation of the Inoccupation mode Off Occupation mode On Inoccupation mode not used not used not used not used not used not used not used not used not used not used Clock Read Update the internal clock board of the BM50 OFF Read hour amp minute ON
44. chnicians version Page47 CL50 CHILLER IOM 0808 E COMMUNICATION 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 3922 0 CLIMALINK system 3922 1 ADALINK system 3922 2 LNXVISION system 3922 3 MODBUS protocol 3922 4 BACNET system 3922 5 TREND system 3922 6 CAREL system 3922 7 LONWORKS system Tables of MODBUS LONWORKS BACNET amp TREND addresses are given in an appendix at the end of this manual The identification number of each unit can be set 3921 and the communication speed is adjustable from 1200 Bauds to 19200 Bauds 3923 3921 gt Address of the unit on the bus 3922 gt Choice of type of protocol 3923 gt 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 3922 MODBUS Transmission Mode RTU Baud Rate set point 3923 1200 2400 4800 9600 19200 Word Length 8 Parity NONE Stop Bits 2 Card ld set point 3921 1 to 199 LONWORKS protocol For this option the BM50 must be fitted with the PCO10000F0 card This card is used to interface a BM50 with a Lo
45. ck the connections Problem with the wiring of the heating elements Check the connections CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page29 CL50 CHILLER IOM 0808 E INSUFFICIENT FLOW RATE PROVIDED BY THE PUMP LENNOX Error code 001 040 Description Pump k supplying flow rate to the evaporator has been ordered to start for 20 seconds The flow switch F S E is detecting insufficient flow rate in the heat exchanger for more than 30 seconds Action 1 The unit only handl INGLE pum Immediate shut down of compressors and pump K e Fault signal 001 is signalling The remote fault signal is delayed by 2 minutes a 2 The unit handles DOUBLE pumps and the Normal Safety mode or Clock has been activated e Immediate shut down of pump K Start up of the 2nd pump refer to EVAPORATOR PUMP S CONTROL section for more details 6 Ifthe F S E is detecting a flow rate then the fault 040 is signalling the unit is then running normally 6 If the F S E is not detecting any flow rate the fault 040 is signalling the unit is then shut down The remote fault signal is delayed by 2 minutes Reset Manual reset Solving the problem Problem in the pump control wiring Check the pump connections Problem with flow switch wiring Check the flow switch connection Dirty water filter Clean the water filter Wrong setting of the flow switch Adjust the setting of the flow
46. com OTHER COUNTRIES www lennoxdistribution com 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
47. e 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 confirmation with the Enter button cancels the change If the day of the week is displayed on the first line the parameter in question can be set to a different value for each day of the week To display and change the values of other days press the Prg button Pressing the Prg button confirms the change in the same way as button a 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 Uno and BMS To display and change the values of other periods press the Prg button Pressing the Prg button confirms the change in the same way as button a Page 58 DS50 SERVICE DISPLAY LENNOX J Special diagnostic screens In order to analyse the operation of the unit it is possible to use the following screens which can be reached by pressing the Prg button in menu 0000 or the data menus 2xxx Press button Tor 4 to navigate from one screen to another Screens are available as functions of the program configuration T 1 Water Control DS 50 service Cooling set point Cooling capacity Inlet Temperature Heating set point Heating capacity
48. eplace probe or sensor Incorrect wiring or loose connection on a probe or sensor Check probe and sensor connections and wiring CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 43 CL50 CHILLER IOM 0808 E EEV FAILURE MOTOR LENNOX gt Error code 217 227 Description The step by step motor of the EEV Electronic Expansion Valve is failure Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling Memorisation is displayed Display of fault 217 Circuit 1 227 Circuit 2 Reset The unit returns to normal operation after the signal from the faulty probes or sensors is re established Possible causes Solving the problem Faulty expansion valve Check that the expansion valve is operating correctly Incorrect wiring or loose connection on a the valve Check valve connections and wiring CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 44 CL50 CHILLER IOM 0808 E EEV EEPROM LENNOX Error code 218 228 Description The EEPROM of the EEV Electronic Expansion Valve driver is failure Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling Memorisation is displayed Display of fault 218 Circuit 1 228 Circuit 2 Reset The unit returns to normal operation after the signal from the faulty probes or sensors is re established
49. ernal use LENNOX technicians version Page13 CL50 CHILLER IOM 0808 E EVAPORATOR PUMP S MANAGEMENT LENNOX J Function Ensure the presence of a flow rate of heat transfer fluid in the evaporator heat exchanger Description Seven types of control rules can be set They are defined using the menu 3711 on the DS50 Service Display If 3711 Started Climactic 50 does not control the pumps If 3711 Stopped Pumps are stopped If 3711 P1 Only Climactic 50 controls only the pump N 1 If 3711 P2 Only Climactic 50 controls only the pump N 2 If 3711 P1 N_P2 R Climactic 50 controls handles both pumps with N 1 as standard and N 2 as backup If 3711 P2 N_P1 R Climactic 50 controls handles both pumps with N 2 as standard and N 1 as backup If 3711 Clock Climactic 50 controls handles both pumps equalizing running times and switching from one pump to the other every Tuesday at 02h00 am In the case of single pumps the pump N K is running if all of the following conditions are met At least one ON OFF of circuit n is ON gt Unit remote ON OFF is ON gt Unit is NOT in the unoccupied zone gt Set point 3711 is not set to Stopped gt Configuration 3821 is not set to No gt Pump has been stopped for 1 minute or is already running m There isnt electrical fault on the pump gt There is a flow rate fault
50. et of the fault as soon as the low pressure becomes greater than the safety pressure switch cut off limit The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Solving the problem Not enough refrigerant in the circuit Adjust the refrigerant charge Faulty expansion valve Check that the expansion valve is operating correctly Faulty low pressure switch Replace the low pressure switch CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page 36 CL50 CHILLER IOM 0808 E COMPRESSORS SHUT DOWN ON HP CUT OFF LENNOX J Error code 115 125 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 on the failure circuit concerned Fault signalling If a DS50 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display only of the 3rd daily fault Display of fault 115 Circuit 1 125 Circuit 2 Reset The safety device is automatically cancelled 4 minutes after activation The fault will no longer be reset automatically after 3 cut outs in the same day
51. g to following values Cool Only gt Unit operating in cooling mode only Heat Only gt Unit operating in heating mode only Auto gt Automatic change over according to the settings 3312 amp 3313 Pumps are running in dead zone Auto Stop gt Automatic change over according to the settings 3312 amp 3313 Pumps are stopped in dead zone 3312 gt Change over winter setting The set point 3312 is the outside air temperature under which the unit will operate as a heat pump 3313 gt Change over summer setting The set point 3313 is the outside air temperature over which the unit will operate as a chiller Example 3312 12 C 3313 23 Change Over Mode K I w a ME I W R sv I 3 T 12 C 23 Outside Air T Permutation Cool or Heat Mode optional The choice of the operating mode in cooling or heating is automatically carried out according to the room temperature and the temperature set points adjustment Meanwhile as an option using free contacts on parametric inputs it is possible to disable one mode or another See Customized Input Output BE 50 e With a free contact and 3841 3842 3843 3844 Sw Cool the contact closing will disable the cooling mode e With a free contact and 3841 3842 3843 3844 Sw Heat the contact closing will disable the heating mode CLIMATICT 50 Chiller Heat Pump Int
52. ge It inherits 20 years of technology and field operating experience from its predecessors the CLIMATIC 1 and CLIMATIC 2 LENNOX has found the latest hardware technology available on the market place and developed software specifically designed for Chiller and Heat pump applications maximising the LENNOX unit s efficiency and performance Compatibility This documentation is compatible with the programs Chiller and Heat pump e NEOSYS range from software version NA050 01 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 Menus 38xx for unit and options e Menus 39xx for communication In case of wrong parameters I O links could be incorrect and may create some operation problems for the units and ultimately breakdowns Lennox cannot be held responsible for any claims on the units due to a wrong parameters sequence or a parameters modification carried out by non competent technicians In this case the warranty will be legally null and void CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Pageg CL50 CHILLER IOM 0808 E WIRING CONNECTIONS LENNOX gt IMPORTANT WARNING Any wiring modification on the CLIMATIC 50 must be done by Lennox technician or employees having valid e
53. hold Upper limit of water temperature water temperature gt safety threshold 2112 gt Water inlet evaporator temperature 2113 gt Water outlet evaporator temperature 3341 gt Safety threshold lower limit of water evaporator temperature in cooling mode 3342 gt Safety threshold upper limit of water evaporator temperature in cooling mode 3343 gt Safety threshold lower limit of water evaporator temperature in heating mode 3344 gt Safety threshold upper limit of water evaporator temperature in heating mode Action No safety Fault signalling Memorisation is displayed Reset Automatic resetting of the fault as soon as the temperature reaches the permitted operating range Note After a change over switch the alarms 013 and 023 are disabled during 30min Solving the problem Temperature probe failed Replace probe or sensor Problem with wiring of probe Check the connections of the probe or sensor CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page28 CL50 CHILLER IOM 0808 E ELECTRICAL HEATER S ELEMENTS LENNOX J Error code 011 Description A safety remote signal is sent to indicate a problem with the electric heater s Action Heating elements switch off immediately Fault signalling Memorisation is displayed Reset Manual reset Possible causes Solving the problem Problem with the external material which managed the heater s Che
54. ice address Check the address internal dip switch in the EEV Incorrect wiring of the EEV driver Check the wiring of the EEV driver CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page 39 CL50 CHILLER IOM 0808 E EEV LOW SUPERHEAT TEMPERATURE LENNOX J Error code 211 221 Description The superheat temperature measured by the E E V Electronic Expansion Valve driver is outside the permitted value Lower limit of superheat temperature superheat temperature lt safety threshold Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling If a DS50 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display only of the 3rd daily fault Display of fault 211 Circuit 1 221 Circuit 2 Reset The safety device is automatically cancelled 2 minutes after activation The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Possible causes Solving the problem Expansion valve failure Check the wiring of the expansion valve Incorrect wiring of the probe or sensor Check the wiring of the probe or sensor CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page40 CL50 CHILLER IOM 0808 E EEV
55. idnight on Thursday CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 55 CL50 CHILLER IOM 0808 E DS50 SERVICE DISPLAY LENNOX Function This plug and play type display is intended for maintenance technicians Description Buttons pre Alarm summarises the Alarm menu Up scrolls the menu upwards or increases the value Prg Changes the time period Enter confirms the selection e Esc Returns to the previous screen Down scrolls the menu downwards or reduces the value Brightness Contrast The display has a set contrast but it can be adjusted manually To set the contrast manually press the Alarm and Prg buttons simultaneously and press buttons Tand to increase or decrease the contrast Start up screens The DS50 display is provided to communicate with all the BM50s connected to the pLan bus alternately On activation of the display screen S 1 the line Unit line requests entry of the pLan number of the desired BM50 With button Tor vreplace with the address of the BM50 and confirm with button Z OS 50 service The S 2 screen appears Press the Prg button or any other button to continue pr SEE If a DC50 is connected to the BM50 the display and buttons onthe LEWHOH Fase remote display are inhibited and the word Lennox is displayed Presa Pra ta start fone This disappears as soon as the DS50 is disconnected from
56. ing of the free contact e Stop one or several compressors of the unit if the compressor number defined by the setting of the free contact CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 17 CL50 CHILLER IOM 0808 E DEFROST REVERSIBLE UNITS ONLY LENNOX J 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 3622 When defrost is demanded the sequence is as following Stop compressors and fans Reverse the 4 way valve Start compressors When the fans are started several times 3623 or if compressors are operating for more than 6 minutes stop the compressors Reverse the 4 way valve End of defrost i ad Nas Dn Two different types of defrost demand are possible e Dynamic defrost set point 3621 Dynamic e Cycling defrost set point 3621 Cyclic Cycling defrost The unit will start a cyclic defrost in heating mode under a regular period of time defined by the set point 3624 Dynamic defrost This allows the unit to start the defrost cycle only when required This is achieved through the measurement of the temperature difference between the coil and the outdoor The
57. lectrical qualification and authorisation For any modification of wiring on the 24V supply or on 4 20mA sensor check the polarity prior to apply the power Wrong polarity may cause serious damage and destroy the pLAN network Lennox will not accept liability for damage caused by wrong power connection or any wiring modification 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 on logical inputs Over 30 m the installer must interface this information with relays or converters In any case the 24Vac control voltage must not be used to drive external function with Climatic 50 logical output WARNING Separate as much as possible probes displays logical input cables from power cables with strong inductive load in order to avoid possible electromagnetic perturbations CONNECTION SENSORS AND PROBES External sensors or probes connection must be carried out with the following cable o Cable length up to 20m AWG22 0 34 mm 2 1 pair crossed with screen o Cable length up to 50m LIYCY P 0 34 mm 2 1 pair with general shield he cable length should not exceed 50m For a better electromagnetic protection Lennox recommends the use of LiYCY P cable DISPLAY DS50 he Display DS50 can be connected to the Climatic either on one of the RJ12 connectors located on the
58. letters preceded by the symbol gt It can then be selected by pressing button A or symbol beside the number of the first or third 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 lt Data 2000 General 2100 Temperature 2110 2111 Outside temperature 16 0 C 2112 Inlet temperature 12 0 C 2113 Outlet temperature 07 0 C Press Esc at any time sends to return to the previous level of the menu E tree In the example shown above Esc must be pressed 3 times to return 2 Circuit 1 CER to the main menu 0000 Circuit Z w LENNOX DS 50 service 130UTS IDE 16 6 1 Inlet 12 04 3 Outlet G LENNOX Alarms 1000 S 10 CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 57 CL50 CHILLER IOM 0808 E DS50 SERVICE DISPLAY DS 50 service lt 188 381 larn M 1295 4947 i4has 2 95 47 10h52 12 3 27 d46 493h14 491 LENNOX 12 DS 50 service 45 07 14H05 aii Electrical Heater Faults al four 17h Z gt HIHUTE dan ae 3 044 LENNOX LENNOX CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version CL50 CHILLER IOM 0808 E LENNOX gt In the event of an alarm on the unit the Alarm button is illuminated in red
59. nWorks network by FT T 10A 78 kbs TP FT 10 On the Climatic set point 8922 LonWorks Baud Rate set point 3923 4800 Device ld set point 3921 1 to 199 Watchdog function with the Climatic 50 The Climatic 50 automatic control system being passive on the bus cannot detect all communication failures with the BMS Therefore in the event of a communication failure the unit will continue to function with the last settings transmitted by the BMS To prevent this risk from hindering correct operation of the unit the BMS must regularly write a non zero value in word 01h On its side the Climatic 50 automatic control system decrements the value of word 01h by 5 units every 5 seconds The items below are not taken into account by the Climatic 50 if word 01h is equal to 0 and in this case it works with set points programmed internally This function does not prevent writing of bit or word these can always be read on the DS50 display set to BMS mode by means of the PRG button Word 01h being available in read write on our display we are able to test the BMS mode manually and see the value decrementing then returning to internal control mode Points affected by word 01h Words 02H 03H 05H 06H Bits 03H 16H 0AH 0BH Other 3924 gt Communication watchdog CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 48 CL50 CHILLER IOM 0808 E CONFIGURING THE
60. nannnnnnnnnnnnnnnanananannnnanannnannnnananaan 29 Insufficient Flow Rate Provided by the Pump aaaaiaaaaaaaaaaaaaaanaaaaa ananaananaaaanaananannanaaaaaanaaaan 30 Pump s Circuit Breaker s Open aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaunaaaanananunuaaaananananaaaannaaanuanaaaaanaaanaaaa 31 Faulty in Real Time Clock Error aaaaiinaaaaaanaaaaananaaaanannanaanannnnanannannanunannnanannannanannnnaanannaaan 32 Faulty Probes and Sensors naaanaaaaaaaaaaaaaaaanaaaaananaaaanannanaananaaaannunanannanaananannanannanaaannannaaani 33 Compressors Electrical Protection aaaaaiiaaaaaaanaaaananuanaananaaaanannananananaaanananaanannaaaaaanaaa 34 Fan s Circuit Breaker s Open aainaaaaaaaaaaaaanaaaaananaaaanannaaaananaaaanannannanananaanannanannanaaaanannaaani 35 Compressors shut down on LP Cut OFF auaiaaaaaaaaaaaaaaaananaaaaaaananaananaaaanaanaaaananaaaaaannaaanaanaaa 36 The compressors shut down on HP Cut OFF aaiaaaaaaaaaaaaaaanaaaanannaaaananuaaanaanaaaananaaaaaanaaaaa 37 Evaporator Freezing Protection aaainaaaiananannaaannnnnnnnunannnnnnnnnnnnnnnnnanannannnannnnnannnnnnnnnnnaaan 38 EEV 0 TT ZPA 39 EEV Low Superheat Temperature nnnaaaaaaaiaaaaaaaanaannaanaaaaaaanuaaaaanaaunuanananaaanuaaaaaanananaaaa 40 EEV L O P LOW OPERATING PRESSURE uiiiaaaaaaaaaaaaaaaaaaaaaaaaanaaaaaaanannnannnnnnananntnnannanaaanii 41 EEV Valve NOT Closed aaaaiinaaaaaaaaaa
61. nector BE50 J10 B3 Probe 3854 gt Setting for the analog input on the connector BE50 J10 B4 Example The following items can be used for each input BE50 J9 B1 Not Used Not used S P Water Water set point 4 20mA signal BE50 J9 B2 S P Offset Water set point offset 4 20mA signal Free NTC Free temperature probe conneciion Bi B2 GND Vdc 5V Ref Water set point cooling heating 4 20mA signal The 4 20mA signal sent to the unit is linearly converted using the 2 water temperature set points To increase the precision you can customize 2 range of water set point according to the cooling or heating mode operating Calculated Calculated Set Point COOLING MODE aor Poun HEATING MODE 3320 3332 15 40 3331 apri 3321 PC 4 20 Signal 4 20m 4 20 Signal 420m CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page23 CL50 CHILLER IOM 0808 E CUSTOMIZED INPUT OUTPUT LENNOX J Water set point offset 4 20mA signal The 4 20mA signal sent to the unit is linearly converted using a 5K to 5K range of temperature set point Calculated Calculated Set Point COOLING MODE ar Eoi HEATING MODE 3322 5K 3332 SK 3321 5K 3331 5K T Signal 20m amp 4 20 Signal 4 20m Free temperature probe connection Lennox NTC sensor The measured value will be displayed on following addresses 2171 2172 2173 or 2174 CLIMATIC 50 Chiller Heat
62. ock bit 8 BE50 bit 9 not used bit 10 Probes amp Sensors bit 11 Fans Condenser Circuit 1 bit 12 Fans Condenser Circuit 2 bit 13 Fans Condenser Circuit 3 bit 14 not used bit 15 not used Alarm bit 0 Compressor Circuit 1 Electric Protection O Error Bits 1 O Error Bits 2 bit 1 Compressor Circuit 1 High Pressure bit 2 Compressor Circuit 1 Low Pressure or Freeze protection bit 3 Compressor Circuit 2 Electric Protection bit 4 Compressor Circuit 2 High Pressure bit 5 Compressor Circuit 2 Low Pressure or Freeze protection bit 6 not used bit 7 not used bit 8 not used bit 9 not used bit 10 not used bit 11 not used bit 12 Compressor Circuit 1 Electronic Expansion Valve bit 13 Compressor Circuit 2 Electronic Expansion Valve bit 14 not used bit 15 not used CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page70 CL50 CHILLER IOM 0808 E www lennoxeurope com LENNOX BELGIUM LUXEMBOURG www lennoxbelgium com CZECH REPUBLIC www lennox cz FRANCE www lennoxfrance com GERMANY www lennoxdeutschland com GREAT BRITAIN www lennoxuk com NETHERLANDS www lennoxnederland com POLAND www lennoxpolska com C CL50 CHILLERS IOM_0808 E PORTUGAL www lennoxportugal com RUSSIA www lennoxrussia com SLOVAKIA www lennoxdistribution com SPAIN www lennoxspain com UKRAINE www lennoxrussia
63. of components in the displays you must equip the cable with a ferrite when installing it provided by Lennox Remote DC50 Txt a Ma J11 R The intercard bus pLan is connected to Climatic 50 on the J11 connector of board BM50 A 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 2 pairs crossed with screen Cable length up to 500m LIYCY P 0 34 mm 2 2 pairs with general shield The cable length should not exceed 500m For a better electromagnetic protection Lennox recommends the use of LIYCY P cable Warning The power 24Vac of boards BM50 should not be connected to the earth CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 7 CL50 CHILLER IOM 0808 E WIRING CONNECTIONS LENNOX gt Aach jA na l BM50 SERIAL CARD U GND i J U R5483 MODBUS LON WORKS FIT 104 The communication bus is connected to Climatic 50 Serial Card daughter board on the BM50 A star connection is not recommended for an optimum operation it is advised to connect a maximum of two cables per unit In case of RS485bus a resistance of 1200 1 4W can be connected on the last unit between the terminals and SFRAI CART CHO oanect a 120 orms A and line resistor a for
64. on procedure is aborted automatically CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page 50 CL50 CHILLER IOM 0808 E DC50 COMFORT DISPLAY LENNOX DE 50 comfort _25 8 On Far Auto ut 85 6 2 0 Cool Function This display is connected remotely it is intended for users with no technical knowledge This display gives access to general operating data of the unit It does not give access to detailed operating data It can be used to set or change the programming of the various time periods and the temperature set point for each period It also has the ability to set a 3 hours override and force an unoccupied mode or any other different time periods for a maximum of 7 days It displays a real time clock and the various fault signals Description Buttons A Prg Access set points SM Clock Access the clock I Esc Return to the previous display Brightness Contrast Up Access overrides or increase values Enter Confirms the selection Down Access overrides or decrease values The display has a set contrast but this can be adjusted manually For manual adjustment of the contrast press the Prg and Clock buttons simultaneously and press buttons for Vto increase or reduce the contrast Configuring the terminal address Sdc 1 DisFlau address S tt tri z The address of the terminal DC50 or DM50 must be checked after having
65. ption heat recovery or not 3825 gt Option power factor correction or not 3831 3832 3833 3834 gt Parametric digital output configuration of extension board BE50 1 to 4 3841 3842 3843 3844 gt Parametric digital input configuration of extension board BE50 1 to 4 3851 3852 3853 3854 gt Parametric analog input configuration of extension board BE50 1 to 4 3861 gt Restore the standard Lennox settings or not This parameter don t modify the settings 38xx CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version 1 1 Page9g CL50 CHILLER IOM 0808 E SCHEDULING CLOCK SETTING LENNOX J CLOCK SETTING Function Climatic 50 has a real time clock board allowing dates and hours functionalities weekly program event recording Description Menus 3121 to 3125 give the possibility of setting the internal clock The day of the week is calculated by Climatic 50 For the countries of the Euro the controller allows the automatic swing of the hour summer in hour winter and vice versa This functionality can be cancelled by menu 3126 3121 gt Hour 3122 gt Minute 3123 gt Day of the month 3124 gt Month 3125 gt Year 3126 gt Enable automatic switch summer time winter time SCHEDULING Function Controlling operation of the unit according to the time and day Description Climatic 50 can handle 4 time zones over the
66. r or an automat Mode BMS is activated if this value is different from zero This value is decreased every second Unit without pump 0 Started 1 Stopped Unit with pump 1 Stopped 2 P1 Only 3 P2 Only 4 P1 N P2 S 5 P2 N P1 S 6 P1 P2 by clock Unit Change over 0 Cool Only 1 Heat Only 2 Auto Pump 3 Auto No Pump not used Occupation Water SP V Required water temperature in C Cooling set point Occupation Water SP RR Required water temperature in C Heating set point Inoccupation Water SP Aae Required water temperature in C Cooling set point Inoccupation Water SP Required water temperature in C Heating set point 10 1 0 not used not used not used Clock Hour CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page 66 CL50 CHILLER IOM 0808 E BMS ADDRESSES TABLE MODBUS BACNET TREND CAREL R R R R R R R R R R R R R R R R R R R R R R R 1 2001 10 1 0 10 1 0 11 10 1 0 10 1 0 10 1 0 10 1 0b 10 1 0b 10 1 0b 10 1 0b 10 1 0b 10 1 0b 10 1 0b 10 1 0b 1 1 1 1 1 1 1 1 10 1 0 10 1 0 c 10 1 0 c 10 1 0 Clock Minute Clock Day of the month Clock Month Clock Year BMS Outlet temperature coming from the BMS not used BMS Outdoor temperature coming from the BMS not used not used not used not used not used not used not used not used
67. rcuit 1 bit 12 Fans Condenser Circuit 2 bit 13 Fans Condenser Circuit 3 bit 14 not used bit 15 not used Alarm bit 0 Compressor Circuit 1 Electric Protection bit 1 Compressor Circuit 1 High Pressure bit 2 Compressor Circuit 1 Low Pressure or Freeze protection bit 3 Compressor Circuit 2 Electric Protection bit 4 Compressor Circuit 2 High Pressure bit 5 Compressor Circuit 2 Low Pressure or Freeze protection bit 6 not used bit 7 not used bit 8 not used bit 9 not used bit 10 not used bit 11 not used bit 12 Compressor Circuit 1 Electronic Expansion Valve bit 13 Compressor Circuit 2 Electronic Expansion Valve bit 14 not used bit 15 not used CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version CL50 CHILLER IOM 0808 E LENNOX gt Page 68 BMS ADDRESSES TABLE LONWORKS LENNOX J LOGICAL DATA Type index BM50 NameNV Type NV Direction index peseription pss0 a BMS Activation of the Inoccupation mode Off occupation mode On inoccupation mode 95 43 On Off Compressor 2 Circuit 1 O Od _CompHPump 95 PODA Compressor Heat pump Circuit O Od Comp 12 95 3 On Off Compressor 1 Circuit 2 O Od Comp 22 95 439 On Off Compressor 2 Circuit 2 O Od Comp 23 95 440 On Off Compressor 3 Circuit 2 O Od CompHPump 2 95 da omen Compressor Heat pump Circuit R R W OO N ANALOGIC DATA
68. rcuit concerned Fault signalling If a DS50 is connected to the unit Memorisation and display of all faults Otherwise Memorisation and display only of the 3rd daily fault Display of fault 215 Circuit 1 225 Circuit 2 Reset The safety device is automatically cancelled 2 minutes after activation The fault will no longer be reset automatically after 3 cut outs in the same day and must be reset manually Note The fault counter is cleared and reset every day at 06 00 am provided the maximum number of faults has not been reached Possible causes Solving the problem Faulty expansion valve Check that the expansion valve is operating correctly Incorrect wiring or loose connection on the valve Check valve connections and wiring CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 42 CL50 CHILLER IOM 0808 E EEV FAULTY PROBE OR SENSOR LENNOX Error code 216 226 Description One or more temperature probes or pressure sensors connected to the EEV Electronic Expansion Valve are short circuited cut or disconnected Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling Memorisation is displayed Display of fault 216 Circuit 1 226 Circuit 2 Reset The unit returns to normal operation after the signal from the faulty probes or sensors is re established Possible causes Solving the problem Damaged probes or sensors R
69. rd incorporated in the Climatic 50 card is defective Action Fault signalling Memorisation is displayed Reset Automatically reset The battery is exhausted Replace the daughter card The daughter card is not inserted correctly Check the connection Extension board fault BE50 Error code 071 Description Communication between the BM50 and the BE50 is down Action The unit carries on running Fault signalling Memorisation is displayed Reset The fault disappears automatically as soon as communication is re established Solving the problem Incorrect addressing of the BE50 Configure the Serial Address dip switches on off off off BM50 or BE50 damaged Replace the defective component Problem with the BIOS Replace the BIOS with version 3A 57 or 3 64 or above Incorrect wiring or loose connection between Check connections and wiring BM50 and BE50 CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page32 CL50 CHILLER IOM 0808 E FAULTY PROBES AND SENSORS LENNOX J Error code 081 083 085 111 112 121 122 Description One or more temperature probes or pressure sensors in the cooling systems or elsewhere are short circuited cut or disconnected Action Immediate shut down of the unit for error code 081 083 085 Immediate shut down of the failure circuit for error code 111 112 121 122 the other circuit still remain available Fault
70. s at least after the request to switch the whole unit OFF has been given in order to prevent any risks of freezing the evaporator heat exchanger CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page14 CL50 CHILLER IOM 0808 E THERMOSTAT DYNAMIC SET POINT CALCULATE LENNUX Function Set the chilled or hot water circuit temperature depending on the outdoor conditions in order to optimise the energy consumption Description Iculation of the chilled water int Calculated Set Point 3321 ak 10 C i 3322 a oe iia 3323 3324 Outdoor Temperature 22 30 C culation of the chilled water int Calculated Set Point 3331 4 2ee asan g 40 C 3332 30 C FO 3333 33 34 Outdoor Temperature 5 C 19 C NOTE Values are given only for indications The gradient can be positive or negative CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page15 CL50 CHILLER IOM 0808 E THERMOSTAT CONTROL PRINCIPLE LENNOX J Function Adjust and hold the fluid outlet temperature as close as possible to the set point by controlling the number of compressor stages depending on the thermal load of the system Description Climactic 50 controller calculates constantly the required capacity to reach the temperature set point This variable is called CAPACITY FACTOR CF and its value can vary
71. signalling Memorisation is displayed Reset The unit returns to normal operation after the signal from the faulty probes or sensors is re established Possible causes 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 CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page33 CL50 CHILLER IOM 0808 E COMPRESSORS ELECTRICAL PROTECTION LENNOX J Error code 114 124 Description During start up or operation of a compressor The thermal magnetic trip breaker or the compressor internal protection from circuit concerned is tripped The phase rotation protection has detected an incorrect connection standard on screw compressor and available as a special request on other units Action Immediate shut down of the compressors on the failure circuit concerned Fault signalling Display of fault 114 Circuit 1 124 Circuit 2 Reset Manual reset Important For manual reset of internal protection cut off if the problem comes from a high discharge temperature wait for 30 min prior to any manual reset to allow the scroll temperature to decrease sufficiently If the temperature is still too high the compressor will trip again just after starting Solving the problem Dirty condenser Clean the condenser Fan out of order Replace the fan Incorrect wiring of the
72. switch CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page30 CL50 CHILLER IOM 0808 E POMP S CIRCUIT BREAKER S OPEN LENNOX J Error code 041 042 Description The thermal magnetic trip circuit breaker protecting the pump k has tripped Action 1 The unit only handi INGLE pum Immediate shut down of pump k Immediate shut down of the unit Fault signal is signalling The remote fault signal is delayed by 2 minutes o 2 The unit handles DOUBLE pumps and the Normal Safety mode or Clock has been activated Immediate shut down of pump K Start up of the 2nd pump refer to EVAPORATOR PUMP S CONTROL section for more details Fault signal 041 is signalling for Pump 1 and 042 for Pump 2 The remote fault signal is delayed by 2 minutes Reset Manual reset If the unit was stopped case 1 the unit will restart automatically 20 seconds after the fault signal has disappeared and the Climatic 50 has restarted the pump Solving the problem Wrong wiring or tightening of the connections Control all connections Set circuit breaker according with pump normal running Wrong setting on the circuit breaker current CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version 1 1 Pages CL50 CHILLER IOM 0808 E FAULTY IN REAL TIME CLOCK ERROR LENNOX Error code 070 Description The real time clock ca
73. te Heat Mode Unit operating in heating mode Reversible unit only C 1 100 Circuit N 1 running at full load compressors C 2 100 Circuit N 2 running at full load compressors U 100 Unit running at full load Circuits N 1 amp 2 E U On Unit ready to start OE Z A Unit operating Zone A BES50 J5 NO1 Z B Unit operating Zone B Z C Unit operating Zone G Uno Unit operating Zone Unoccupied Bms Unit operating Zone BMS Free Free for BMS acting Elec H Electrical heaters up to 4 Reversible unit only CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 22 CL50 CHILLER IOM 0808 E CUSTOMIZED INPUT OUTPUT LENNOX J DIGITAL INPUTS DRY CONTACTS Electrical characteristics 24Vac or 24Vdc 50 60Hz The corresponding between the connectors and the settings is 3841 gt Setting for the digital output on the connector BM50 J8 ID13 3842 gt Setting for the digital output on the connector BM50 J8 ID14 3843 gt Setting for the digital output on the connector BE50 J4 ID1 3844 gt Setting for the digital output on the connector BE50 J4 ID2 3845 gt Setting for the digital output on the connector BE50 J4 ID3 3846 gt Setting for the digital output on the connector BE50 J4 ID4 The following items can be used for each input Not Used Input not used Sw Setpoint Switch to the second cooling heating set point Sw Cool Switch the
74. the clock button The Sdc 5 screen displays the time and date To change the time or date Press to position the cursor over the time With button or L set the time and confirm with button Position the cursor over minutes With button Tor b set the minutes and confirm with button 4 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 lt 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 DC 50 comfort 1 Alarm 2 Data Z Setting DC 50 comfort From the main screen press the Prg button Screen Sdc 6 displays the menu With button Tor 4 to select the Setting item and confirm with button Pressing the Esc returns to the main screen The next screen display the unit status for each zone by pressing on the Clk button CLIMATIC 50 Chiller Heat Pump Internal use LENNOX technicians version Page 53 CL50 CHILLER IOM 0808 E DC50 COMFORT DISPLAY LENNOX gt Sdc 7 a From the Sdc 6 screen press the Prg button DC 50 comfort Screen Sdc 7 a displays the change over mode EEE Position the cursor
75. the following conditions are satisfied The remote ON OFF switch for the complete unit is ON The ON OFF control for the considered circuit is ON The unit is running in heating mode The water circulation flow has been detected for at least 1 minute The unit doesn t have major faults The unit is at full load all available compressors are running for at least 2 minutes The pre determined order for activation of the electrical heater uses a LIFO structure Last In First Out The rotation is based on the principle that the first electrical heater which will be stopped is the one which have started the last one So the pre determined order to switch OFF to ON is always the same Heater N 1 2 3 4 and the switching to OFF is Heater N 4 3 2 1 The control of the electrical heaters uses the same principle as the thermostat control for the compressors NOTE The fourth electrical heater 4 is use in backup mode which means only when none of the compressors is running CLIMATICT 50 Chiller Heat Pump Internal use LENNOX technicians version Page 19 CL50 CHILLER IOM 0808 E CONDENSING FANS CONTROL LENNOX Function Maintain the condensing pressure as stable as possible in order to increase the unit performances while avoiding excessive cycling Description Identical to the complete machine control logic the Climactic 50 aims is to reach and hold the high pressure set point The Climactic 50 control the
76. unit to the cooling mode Sw Heat Switch the unit to the heating mode C1 Disable Disable the circuit N 1 all compressors Example C2 Disable Disable the circuit N 2 all compressors BE50 J4 IDI Circ 1 Cp 1 Disable the compressor N 1 on the circuit N 1 Circ 1 Cp 2 Disable the compressor N 2 on the circuit N 1 Ja Circ 1 Cp 3 Disable the compressor N 3 on the circuit N 1 Circ 2 Cp 1 Disable the compressor N 1 on the circuit N 2 5 Circ 2 Cp 2 Disable the compressor N 2 on the circuit N2 D Circ 2 Cp 3 Disable the compressor N 3 on the circuit N 2 _ Z A Unit operating Zone A 6 Z B Unit operating Zone B Z C Unit operating Zone C WWW J Uno Unit operating Zone Unoccupied Free Dry 7 ID2 ID D4 Bms Unit operating Zone BMS Free Free for BMS system information Contact Elec H Electrical heaters fault Reversible unit only ANALOG INPUTS Electrical characteristics The analog input on the same connector J9 B1 and B2 must use the same type of signal 4 20mA or NTC As well the analog input on the same connector J10 B3 and B4 must use the same type of signal 4 20mA or NTC The corresponding between the connectors and the settings Is 4 20mA 3851 gt Setting for the analog input on the connector BE50 J9 B1 Signal 3852 gt Setting for the analog input on the connector BE50 J9 B2 NTC SPORE 3853 gt Setting for the analog input on the con

User manual CLIMATIC™ 50 - CHILLERS

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User manual CLIMATIC&trade; 50 - CHILLERS

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User manual CLIMATIC™ 50 - CHILLERS