Lennox CLIMATIC 50 User Manual
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Lennox CLIMATIC 50 User Manual

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User manual
CLIMATIC™ 50 -
CHILLERS
Providing indoor climate comfort
CL50-CHILLERS-IOM-0906-E

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Summary of Contents for Lennox CLIMATIC 50

  • Page 1 User manual CLIMATIC™ 50 - CHILLERS Providing indoor climate comfort CL50-CHILLERS-IOM-0906-E...

  • Page 3: Table Of Contents

    CONTROL INTERFACE AND DISPLAYS ..............45 DC 50 CONFORT DISPLAY..................46 DS 50 SERVICE DISPLAY ..................56 DS 50 MENU TREE ECOLOGIC / ECOMAX RANGE ..........66 FAULTS CODES ......................78 BMS Points ......................... 80 ModBus........................80 LonWorks.......................84 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 4: Introduction

    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.

  • Page 5: Climatic™ 50 Controller

    WIRING CONNECTIONS AND COMMUNICATIONS IMPORTANT WARNING Any wiring modification on the CLIMATIC 50 must be done by Lennox technician or employees having valid electrical qualification and authorisation. For any modification of wiring on the 24V supply or on 4-20mA sensor, check the polarity prior to apply the power.

  • Page 6: Climatic 50 Controller - Option Dc50 Remote Connection

    WIRING CONNECTIONS AND COMMUNICATIONS CONNECTION DIAGRAM CLIMATIC 50 CONTROLLER - OPTION DC50 REMOTE CONNECTION CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 7: Communication Bms

    This is used to link a Climatic to a BMS network for remote control of the unit. Description The Climatic 50 can communicate according to various protocols: 1. Climatic protocol for connection with KP06 (see specific KP06 manual) or other Lennox communication products (3932 = Climatic) 2. MODBUS Protocol (3932 = Modbus) 3.
  • Page 8 Lonworks address I_Sp_BMS_Dog). Every second, the Climatic 50 decreases the value of this address by 1. If this address reaches zero, then the Climatic 50 works as a stand alone unit in order to check continuously the communication with BMS.

  • Page 9: Communication Master/Slave

    ! Slaves units regulate with Master sensors • M/S Aver ! Every units regulate with the global sensors average value In every mode, for the management of safety, each unit remains independents. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 10 Both operations must be done without network connection (connector J11 on BM50). If a unit has electronic expansion valves, the driver address must be corrected as explained in the correspondent chapter page 20 and above. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 11: Scheduling

    Note: “Monday” is the first day of the week for the scheduling on CLIMATIC As a factory setting, only Zone A is activated 24hours a day, 7 days a week CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 12: Anticipation - Heat Pump Mode Only

    8.00 am 3221 set at 3°C 3222 set at 10mn/°C If outside temperature is 0°C, the zone A will start at 7.30 am 7.30 am Outside air temp 8.00 am 3°C 0°C CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 13: Change Over - Reversible Units

    3313 ! 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°C Outside air temp 12°C 23°C CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 14: Evaporator Pumps Control

    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. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 15 50 control only stops the pumps 2 minutes at least after the request to switch the NOTE: whole unit OFF has been given, in order to prevent any risks of freezing the evaporator heat exchanger. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 16: Thermostat - Set Point Calculate

    Calculation of the chilled water set point: ² Values are given for indications only. Gradient can be positive or negative. Calculated Set Point 3331 40°C 3332 Outdoor 30°C Temperature 3334 3333 0°C 19°C CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 17: Thermostat - Control Principle

    % of CF / °C (Diff vs Set point) / min REACTIVITY for Cooling Mode can be adjusted in menu 3325 REACTIVITY for Heating Mode can be adjusted in menu 3335 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 18 And if the chilled water supply temperature set point is equals to 7°C the power factory can go up to the 16.6% (1 stage) only if (T.Inlet - T.Outlet) > 0.8°C Then the power factory can go up to the 32.2% (2 stages) only if (T.Inlet - T.Outlet) > 1.6K, and so… CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 19: Compressors Control

    2419, 2429….2469 " Compressor XXX was not started for at least 6 minutes. The state of each compressor can be checked in the following menu: 2412, 2422, 2432…, 2462 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 20: High Pressure Unloading

    If High Pressure is over the compressor unloading set point (menu 3616) and carries on increasing as all the fans are running full speed, one compressor is stopped, or one stage of capacity reduction (for screw compressors) is activated on the affected circuit. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 21: Defrost - Heat Pump

    9. Start fans at full speed in order to dry the exchanger for a period that can be adjusted with set point 3435. 10. end of defrost Two different type of Defrost demand are possible: • Dynamic defrost (set point 3431 = Dynamic) • Cycling defrost (set point 3431 = Cyclic) CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 22 For the dynamic defrost the unit will run this minimum amount of time. For cycling defrost, this is the time delay to start the defrost once the temperature conditions are met 3435 ! Fan running time after the defrost cycle in order to dry the exchanger. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 23: Driving The Electronic Expansion Valve

    Stays ON when Alarm is ON (Refer to Faults and Alarms section) pLan (Green) Stays ON when the communication is established with CLIMATIC 50 – Flashes when the communication is disturbed or broken. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 24 The address of each expansion valve driver must be set-up in order to ensure a good communication between the Climatic 50 and the diver. The address can be changed by using the dip switches that are under the Driver cover.

  • Page 25: Condensing Fans Control

    Pressure > 15 bars ! V.F. increasing 10 bars < Pressure < 15 bars ! V.F. unchanged Pressure < 10 bars ! V.F. decreasing Ventilation Factor 100% Circuit unloading V3 GV V2 GV V1 GV Nothing CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 26 Note: Moreover, the fan control anticipates the power factory of the fan. In other words, when a compressor is switched on, the power factory is calculated in according to 3xT° Outside. (T° Outside = Outside Temperature) For example, if T°Outside = 20°C, then FP Fan = 3x20=60% CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 27: Customized Input / Output (Be.50)

    Disable circuit 1, 2, 3 or 4. • Force unoccupied mode With 3871, 3872, 3873 and 3874 – analogical input 4-20mA or Lennox NTC probe (J9 B1, B2, B3 and B4) – It is possible to make the following actions: •...

  • Page 28: Free-Cooling

    In the case where the free cooling fans are the same as the main refrigeration circuit fans, (which is the most common case for Lennox units), they are constantly running if the compressors are stopped and if the chilled water outlet temperature is above the set point defined in menu 3321 and 3322.

  • Page 29: Energy Recovery

    $ Energy recovery control The amount of heat recovery that can be achieved and the hot water temperature can be adjusted by changing the ventilation pressure set point. (Refer to ventilation adjustment section for details) CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 30: Fault Codes

    FAULT CODES CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 31: Chilled Water Temperature, Out Of Range

    Set point 3341+2°C < TS < set point 3342 -5°C Possible causes Solving the problem Faulty Chilled water inlet or outlet temperature Replace the probe. probes Wiring problem with the probes, disconnect the Check the probe connections. sensor. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 32: Insufficient Water Flow Rate

    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. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 33: Communication With The Extension Board

    Damaged BM50 or BE50 Replace the defective component Bios mal function Update Bios up V3A.57 or 3.64 and above Wrong wiring or loose connection between BM50 Check connections and wiring. and BE50 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 34: Communication With The Slave Board

    Damaged one of the BM50 Replace the defective component Bios mal function Update Bios up V3A.57 or 3.64 and above Wrong wiring or loose connection between the Check connections and wiring. two BM50 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 35: Low Pressure Cut Out

    Not enough refrigerant in the circuit. Adjust the refrigerant charge Faulty expansion valve. Check the good working of the expansion valve. Dirty filter drier. Change the filter drier Faulty low pressure sensor. Replace the low pressure sensor. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 36: Evaporator Freezing Protection

    Check pressure sensor connections and wiring. Insufficient water flow rate in the evaporator. Check flow rate and adjust flow switch if necessary. Clogged evaporator Clean evaporator. Check set points Replace pressure sensor. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 37: Faults Probes And Sensors

    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 Remplace probe or sensor Wrong wiring or loose connection on a probe or Check probes and sensors connections and sensor wiring. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 38: Compressor Electrical Protection

    If the fault signal comes from the internal compressor protection, it can be automatically reset. In this case, Climatic 50 will restart the concerned circuits 30 minutes after shutdown. After three automatic reset of the compressor fault signal, the circuit n can only be restarted by a manual reset of the fault signal.

  • Page 39: High Pressure Too High

    Fan out of order Change the fan Wrong wiring or wrong setting of the high Check the wiring and the setting of the HP pressure, pressure switch. switch. Dirty Filter Drier Change the filter drier. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 40: Insufficient Flow Rate Provided By The Pump

    Check the pump connections Problem with flow switch wiring. Check the flow switch connection Dirty water filter Clean the water filter Wrong setting of the flow switch Adjust the setting of the flow switch CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 41: Fans Circuit Breakers Open

    The fault is cleared automatically as soon as the fans circuit breakers are closed Possible causes Solving the problem Wrong wiring or tightening of the connections. Control all connections Wrong setting on the circuit breaker Set circuit breaker according with compressor normal running current CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 42: Pump Circuit Breaker Open

    The fault is automatically reset as soon as the pump circuit breaker is closed. 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. Possible causes Solving the problem Wrong wiring or tightening of the connections.

  • Page 43: Climatic™50 Input/ Output Mapping

    RA R.Ctrl Step, 3 J17.NO12 ° If two speeds, High speed If two speeds, Low J17.NC12 speed J18.NO13 J8.ID13 RA R.Ctrl Step, 4 ° R.Ctrl General Alarm J18.NC13 J8.ID14 RA R.Ctrl Step, 5 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 44 Discharge T°, Comp. 2 (NTC Unit Starter, Comp. J8.NO4 If two speeds, Fans, 2 J4.ID4 ° J10.B4 150°c) R.Ctrl Custom BE50-4 J8.NC4 Unit Starter, Comp. ° R.Ctrl Custom BE50-4 ° R.Ctrl Custom BE50-4 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 45 J16.NO10 C.2 (Screw & Piston) Liquid Valve (Screw) Comp. J7.ID11 J16.NO11 C.2 (Piston) Comp., 2 J17.NO12 Fan 1, Low speed J7.ID12 J17.NC12 Fan 1, High speed J18.NO13 J8.ID13 R.Ctrl General Alarm J18.NC13 J8.ID14 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 46 J7.NO3 J4.ID3 R.Ctrl Custom BE50-3 R.Ctrl Custom BE50-3 J10.B3 R.Ctrl Custom BE50-3 J7.NC3 Unit Starter, Comp. J8.NO4 Unit Starter, Comp. J4.ID4 J10.B4 R.Ctrl Custom BE50-4 R.Ctrl J8.NC4 R.Ctrl Custom BE50-4 Custom BE50-4 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 47: Control Interface And Displays

    CONTROL INTERFACES AND DISPLAYS Display Connections and Dip Switches Configuration See page 4: "Connection diagram: CLIMATIC™ 50 controllers – option DC50 remote connection" CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 48: Dc 50 Confort Display

    Connect the cable from the main board on the RJ12 plug on the back of the DC50 display • Fasten the front panel on the back piece using the flush head screws supplied • Finally fit the click-on frame CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 49 When a shielded wire is used the metallic case of the "Terminal connection box" DT50 must be earthed. RJ12 PIN connection SC Terminals RJ12 Pin conn Description shield / earth +VRL=30V Rx- / Tx- Rx+ / Tx+ +VRL=30V CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 50 To change the address of the terminal display press the # key once. Use the !" keys to select the desired value and confirm by pressing # . If the address was changed it will display the below screen. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 51 To exit the configuration procedure and save the data, select the filed "OK?NO", choose "Yes" using the !" keys and confirm by pressing # . If the terminal remains inactive (no button is pressed) for 30 seconds, the configuration procedure is aborted automatically. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 52: Main Screen

    "override menu" Cancel “Override” Main Screen Water temperature outlet Flow status Unit operating mode : Cooling or heating Current time zone Outdoor air temperature Z : A Z : B Z : C CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 53 It will revert back to main screen after 15 seconds, if no activity Clock Menu From main screen press the clock key, the following menu appears: Increase Valid Back to main Decrease CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 54 Outdoor air temperature Calculated set point Example: The gradient can be positive or negative Outdoor air temperature It will revert back to main screen after 15 seconds if no activity. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 55 (1000) you just have to push the “ALARM” button for more or less 15s. Then all faults will be erased (Date and time). If the fault is still present, it will be show again once the end of the reset. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 56 If you choose to stop the Unit in the previous screen the following screen will then appear. The unit can then be switched back ON by pressing the return key once more. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 57 In this menu you can choose the number of days you want the selected time zone to override. Increase the number of days by pressing the Up or down keys. + 1 day Valid - 1 day CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 58: Ds50 Service Display

    So, the required language must be specified at the time of order. If needed, other language will be downloaded on site by Lennox technicians. In this menu the specified language can be selected using the up and down keys. The “prg” key validates the choice and start the controller CLIMATIC 50, user manual –...
  • Page 59 Pressing the arrow keys allows you to move up and down the menu tree. The selected item changes to CAPITAL letter. It can then be selected by pressing the “return” or “select” key Down Select CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 60 Pressing “ESC” at any time sends you back one level up the menu tree. In the example shown above “ESC” must be pressed 3 times to go back to the main menu (0000) Pressing “ESC” will invalidate any changes made to a value in a setting page. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 61 (1000) you just have to push the “ALARM” button for more or less 15s. Then all faults will be erased (Date and time). If the fault is still present, it will be show again once the end of the reset. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 62 (3120). Selecting the HOUR for displays the page 3121 shown bellow: Minimum setting Validate and back one level Up one level Factory setting Current setting Maximum setting CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 63 2:█ █ [] 2:█ █ [] temperature (°C) Compressor status 4 way valve or liquid valve status each circuit for each circuit On █ Off [ ] On █ Off [ ] CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 64 – unit with EEV only 4. Circuit 1 to 4 operation: Compressor operation status (run time nb of starts) Cir.1 –Comp.1 Cir.1 –Comp.1 00125h 08m 36s 00125h 08m 36s start 0000000010 start 0000000010 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 65 Link > 01.02. Number of the Cascade > 00 Cascade > 00 Cascade > 00 next unit to start. Standby > 00 Standby > 00 Standby > 00 Number of the unit in standby. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 66 DOWN: decrease decrease ENTER: save & exit ENTER: save & exit By using ! " keys Change the pLan address to the correct value (1 to 4) and validate with # key. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 67 The display has auto contrast lighting function, but you can also adjust it manually. To adjust the lighting manually press the ‘Alarm’ and ‘Prg’ keys together and then press the ! and " keys to increase or decrease the contrast. CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 68: Ds50 Menu Tree - Ecologic/Ecomax Range

    2-T°. Condensing 2142 °C 3-T°- Saturated 2143 °C 4-T°. Suction 2144 °C 5-P. Condensing 2145 6-P. Saturated 2146 5-Circuit 4 2150 1-SuperHeat 2151 °C 2- T°.Condensing 2152 °C 3- T°- Saturated. 2153 °C CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 69 4-Capa. V3 2224 5-Capa. V4 2225 3-Pump 2300 2310 1-Config. 2311 Liste: NO / Single / Double 2-State 2312 Liste : Stopped / Started1 / Started2 / Schedule / Fault(1) / Fault(2) CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 70 Ant-Sho-Cy / Schedule / Switch / Fault(1) 3-Sw State 2433 On/Off 4-Sw High P. 2434 On/Off 5-Sw Low P. 2435 On/Off 6-Relay 2436 On/Off 7-H.Pump 2437 On/Off 8-Valve 2438 On/Off 9-Run Time 2439 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 71 9-Run Time 2469 Hours 5-EEV 2500 1-Circuit 1 2510 1-Config. 2511 Liste : No / Yes 2-State 2512 Liste : Stopped / Started / Wait.Flow / Wait.CH / Schedule / Switch / Fault(1) CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 72 Liste : Stopped / Start.0.5 / Started1 / Start.1.5 / Started2 / Start.2.5 / Started3 / Start.3.5 / 2-State 2632 Started4 / Start.4.5 / Started5 / Wait.Flow / Wait.CH / Fault(1) 3-Sw State 2633 On/Off CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 73 2720 1-Config. 2721 Liste : No / Yes 2- State 2722 Liste : Stopped / Started / Wait.Flow / Wait.CH 3- Inlet 2723 °C 4- Outlet 2724 °C 5-Sw State 2725 On/Off CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 74 *[Water SP] Outlet chilled water temperature 2 -Water 1-Sp Wat.1 3321 °C 5 / -10 set point (see page 14 – IOM Climatic 50) – Cool minimum with Glycol according to % CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 75 *[Water SP] Outlet chilled water temperature 2-Sp Wat.2 3322 °C 5 / -10 set point (see page 11 – IOM Climatic 50) – minimum with Glycol according to % *[Water SP] Ambiant air temperature set 3-Sp Out.1 3323 °C point (see page 13 –...
  • Page 76 1st stage start *[ EEV] 3543 °C Calc Lennox set point – Proportional factor *[ EEV] 3544 Lennox set point – Integral factor 3545 *[ EEV] Lennox set point – Derivate factor CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 77 Liste : No / Stages / No = No fans 3-Circuit 3 3833 Modulation / Low Speed Stages + = Single speed stage fans Modulation = 1 fan with speed control, others CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 78 (input of the extension 3870 1-BE50.1 3871 Custom. board BE50) Liste : Not Used / S.P Offset / Free NTC *[Configuration] Free input to be customised (input of the extension 2-BE50.2 3872 board BE50) CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 79 - mode BMS is activated if this value 4-Watchdog 3934 1000 is different from zero, This value is decreased every second *[BMS] Cancel the override unoccupied 5-BMS Unoc. 3935 On/Off mode CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 80: Faults Codes

    Circuit 1 Low Pressure cut See page 33 Circuit 1 Risk of Frosting See page 34 High Pressure Faulty Sensor, 2 See page 35 Low presure Faulty Sensor, 2 See page 35 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 81 EEV n, Error Valve Not Closed EEV n, Error LP sensor or suction probe EEV n, Error See page 35 Motor EEV n, Error EEPROM EEV n, Error Battery EEV n, Error CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 82: Bms Points

    [Alarm] bit.0 = Flow switch bit.1 = High Temperature, Outlet √ √ … bit.2 = Low Temperature, Inlet bit.3 = Low Temperature, Outlet bit.4 = High Temperature, Intlet CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 83 [Dry contact] Temperature, Free 4, BE50-J10-B4 √ √ 2194 1 = 1 [Fan] Numbers which run, Circuit 1 √ √ … 1 = 1 [Fan] Numbers which run, Circuit 2 √ √ … CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 84 10 = 1.0°c [EEV] Saturated evaporation temperature, Circuit 2 √ √ 2134 10 = 1.0°c [EEV] Saturated evaporation temperature, Circuit 3 √ 2144 10 = 1.0°c [EEV] Saturated evaporation temperature, Circuit 4 √ 2154 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 85 2417 [On/Off] Compressor 1, Circuit 2 √ √ 2446 [On/Off] Compressor 2, Circuit 2 √ √ 2456 [On/Off] Compressor 3, Circuit 2 (WA) or Compressor 1, Circuit 4 (LC) √ √ 2466 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...

  • Page 86: Lonworks

    [Pressure] High, Circuit 3 (Bar) O_Ia_P_HP_3 output √ 2145 [Pressure] Low, Circuit 3 (Bar) O_Ia_P_BP_3 output √ 2146 [Pressure] High, Circuit 4 (Bar) O_Ia_P_HP_4 output √ 2155 [Pressure] Low, Circuit 4 (Bar) O_Ia_P_BP_4 output √ 2156 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 87 √ bit.4 = Compressor, Circuit 2, High Pressure bit.5 = Compressor, Circuit 2, Low Pressure or Freeze protection bit.6 = Compressor, Circuit 3, Electric Protection bit.7 = Compressor, Circuit 3, High Pressure CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 88 [On/Off] Fans, Circuit 1 O_Od_FCoil_1 output √ √ 2614 [On/Off] Fans, Circuit 2 O_Od_FCoil_2 output √ √ 2624 [On/Off] Fans, Circuit 3 O_Od_FCoil_3 output √ 2634 [On/Off] Fans, Circuit 4 O_Od_FCoil_4 output √ 2644 CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM/0906-E...
  • Page 90 BELGIUM, LUXEMBOURG PORTUGAL Due to Lennox’s ongoing commitment to quality, www.lennoxbelgium.com www.lennoxportugal.com the Specifications, Ratings and Dimensions are subject to change without notice and without incurring liability. CZECH REPUBLIC RUSSIA Improper installation, adjustment, alteration, www.lennox.cz www.lennoxrussia.com service or maintenance can cause property damage or personal injury.

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