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User manual CLIMATIC™ 50 - CHILLERS

1. CLIMATIC 50 user manual Chillers ranges Main screen Code Description Code Description Code Description Code Unit 8 Running T 2 2318 h 4 Compressor 2400 1 Comp 1 C1 2410 1 Config 2411 Liste No Cool Only H Pump 2 State 2412 Liste Stopped StartHeat Started Start 0 5 Started1 Defrost Wait Flow Wait CH Ant Sho Cy Schedule Switch Fault 1 3 Sw State 2413 On Off 4 Sw High P 2414 On Off 5 Sw Low P 2415 On Off 6 Relay 2416 On Off 7 H Pump 2417 On Off 8 Valve 2418 On Off 9 Run Time 2419 h 2 Comp 2 C1 2420 1 Config 2421 Liste No Cool Only H Pump 2 State Liste Stopped StartHeat Started Start 0 5 Started1 Defrost Wait Flow Wait CH 2422 Ant Sho Cy Schedule Switch Fault 1 3 Sw State 2423 On Off 4 Sw High P 2424 On Off 5 Sw Low P 2425 On Off 6 Relay 2426 On Off 7 H Pump 2427 On Off 8 Valve 2428 On Off 9 Run Time 2429 h 3 Comp 3 C1 m 1 Config Liste No Cool Only H Pump Ecomax 2430 2431 2 State Liste Stopped StartHeat Started Start 0 5 Started1 Defrost Wait Flow Wait CH 2432 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 h 4 Comp 1 C2 en 1 Config Liste No Cool Only H Pump Ecomax 2440 2441 2 State Liste Stopped StartHeat Started Start 0 5 S
2. LENNOX Select the alarm menu using the arrow keys and press return The faults history is then displayed in the page 1000 RED Number of active Alarm DS 50 service 1000 01 Alarm 02 01 03 03 12h10 127 02 03 03 12h05 125 Alarm code Selected Alarm LENNOX Active or Inactive Alarm Date and Time Pressing the ALARM key resets all the alarms The number of active alarms goes to 0 no active alarm shown in the menu the bell key is switched off DS 50 service 1000001 Alarm GER 01 03 03 12h10f 127 02 gt 03 03 12hOX 125 desc 03 27 02 12n03 125 EN LENNUX L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX Pressing the return key will display details of the selected alarm DS 50 service 1100 01 Alarm 00 she 12 ae 03 03 12h05 125 m Compressor 2 High pressure cut out LENNOX Clock settings The clock setting menu can be accessed from the main menu by selecting the menu SETTING and then navigating down through the sub menus until page 3120 DS 50 service Ti 3120501 LENNOX Selecting the HOUR for displays the page 3121 shown bellow DS 50 service Minimum setting D 3121 01 Validate and back one level Up one level LENNOX Factory setting Current setting Maximum setting L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1
3. L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNUX CLIMATIC 50 Mapping Ecologic WA BM50 Base Board Digital Input Digital Output Analogic Input Analogic Output J5 ID1 C1 Comp Fault J12 NO1 C1 Compressor 1 J2 B1 C1 HP 4 20ma 1 29b NA ei Sc 5 A KN J5 1D2 C1 HP MANC AMARE Cp J2 B2 C1 BP 4 20ma 1 6b RC Ud a 2 MEUM e J5 ID3 C1 C2 Ventil Fault EE Me tna J2B3 C2 HP 4 20ma 1 29b J4 Y3 C1 Ventilation 1 PWM J5 ID4 C2 Comp Fault J13 NO4 C2 Compressor 1 J2 B4 C2 BP 4 20ma 1 6b J4 Y4 C2 Ventilation 1 PWM J13 NO5 C2 WA Compressor 2 J13 NO5 C2 MCC MCW Valve Cp1 J13 NO6 C2 Compressor 3 J13 NO6 C2 MCC If two speed fan 3 J5 ID5 C2 HP J3 B5 Water Outlet NTC J5 ID6 Water Flow J3 B6 Water Inlet NTC J5 ID7 ON OFF Remote Control J14 NO7 Water Pump 1 J6 B7 MCW Water T cond Outlet J15 NO8 C1 Ventilation 1 J5 ID8 Reset Remote Control J15 NO8 C1 Ventilation 1 High Speed J6 B8 Outdoor Air NTC J15 NC8 C1 Ventilation 1 Low Speed J16 NO9 C1 Bypass Valve J16 NO9 C1 4 Way Valve J16 NO10 C2 Bypass Valve J16 NO10 C2 4 Way Valve J7 ID9 Safety Elec Pump 1 amp 2 J7 ID10 Step 1 RA f No Electronic Exp Valve J7 ID11 Step 2 RA J16 NO11 Water Pump 2 J17 NO12 C2 Ventilatio
4. INT 19 O R FCoil PWM 2 81 output 226 of opening Fan Modulation XV N 2629 Circuit 2 INT 20 OR FCoil PWM 3 81 output 227 of opening Fan Modulation Y 2639 Circuit 3 INT 21 O R FCoil PWM 4 81 output 228 Ee Ren Fan Modulation y 2649 Name NV Type NV Direction Sp On Unit input O Sp On Unit output Sp Reset input Reset Discharges the safety O Sp Reset output measures of the unit Sp Unoc input BMS Activation of the Inoccupation mode Off occupation mode On inoccupation mode O Od Alarm output Alarm General O Od Pump 1 output On Off Pump 1 O Od Pump 2 output On Off Pump 2 O Od Comp 11 output On Off Compressor 1 Circuit 1 O Od Comp 21 output On Off Compressor 2 Circuit 1 On Off Unit O Sp Unoc output On Off Compressor 3 Circuit 1 WA or Compressor 1 Circuit 3 LC On Off Compressor Heat pump Circuit 1 O Od Comp 31 3 output O Od CompHPump 1 output O Od Comp 12 output On Off Compressor 1 Circuit 2 O Od Comp 22 output On Off Compressor 2 Circuit 2 On Off Compressor 3 Circuit 2 WA or Compressor 1 Circuit 4 LC On Off Compressor Heat pump Circuit 2 O Od FOoil 1 output On Off Fans Circuit 1 O Od FOoil 2 output On Off Fans Circuit 2 O Od FOoil 3 output On Off Fans Circuit 3 O Od FOoil 4 output On Off Fans Circuit 4 O Od Comp 32 4 output O Od CompHPump 2 outpu
5. not used not used not used not used not used rir r r j r r j r j r j r j r j r j r j rj rir j r not used 21H 33 R L Alarm General Vv N 1000 22H 34 R L On off Pump 1 V V 2345 23H 35 R L On Off Pump 2 J 4 2347 24H 36 R LI On Off Compressor 1 Circuit 1 V V 2416 25H 37 R LI On Off Compressor 2 Circuit 1 V V 2426 26H 38 R L On Off Compressor 3 Circuit 1 WA or Compressor 1 Circuit 3 LC V V 2436 27H 39 R L On Off Compressor Heat pump Circuit 1 Y 2417 28H 40 R L On Off Compressor 1 Circuit 2 V N 2446 29H 41 R L On Off Compressor 2 Circuit 2 NV V 2456 2AH 42 R L On Off Compressor 3 Circuit 2 WA or Compressor 1 Circuit 4 LC V N 2466 L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX 2BH 43 R L On Off Compressor Heat pump Circuit 2 Y 2437 2CH 44 R L not used 2DH 45 R L not used 2EH 46 R L not used 2FH 47 R L not used 30H 48 R L not used R JL not used R JL not used 33H 51 R LI Dry contact Digital Input Free 3 BE50 J4 1D1 V v 2181 34H 52 R L Dry contact Digital Input Free 4 BE50 J4 1D2 v N 2182 35H 53 R L Dry contact
6. H Valid 1 day L ENN X CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX DS50 SERVICE DISPLAY This display is usually is a plug and play feature designed for technician people Keys DS 50 service Move up in a menu or increase value Short cut to Alarm menu Language or y ENGLISH E ADR Enter Change time zone WA 050 001 A Valid ZEN Select Go back to previous screen BIOS 0000 Boot 00 0 0 dts LENNOX Move down in a menu or decrease a value Start up screen or Screen 1 DS 50 service LENNOX Press prg to start LENNUX Screen 2 language selection DS 50 service Language or y ENGLISH WA 050 001 m d BIOS 0000 Boot 0 0 0 ol VER LENNOX Ten languages are now available DE FR GB IT NL PL PT RO SP TR but only two are downloaded in the factory 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 L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX Main menu 0000 Unit number DS 50 service 0000 01 Current time zone Selected item 12h44 Capital letter Tuesday April 03 M 3 Setting LENNUX Moving down the menus Pr
7. Comp Fault J5 ID5 C2 HP J5 ID6 C2 Ventil Fault J5 ID7 ON OFF Remote Control J5 ID8 Reset Remote Control J7 ID9 Water Flow J7 ID10 J7 ID11 J7 1D12 J8 ID13 J8 ID14 J12 NO1 J12 NO1 J12 NO1 J12 NO2 J13 NO4 J13 NO5 J14 NO7 J15 NC8 C1 Screw Reset Int Comp C1 Piston 1st Valve Comp 1 C1 322 2nd Valve Comp 1 C1 Screw Valve 50 Comp J12 NO2 J12 NO3 J12 NO3 J12 NO3 C1 Piston Comp 2 C1 Screw Valve 7596 Comp C1 Piston 1st Valve Comp 2 C1 322 1st Valve Comp 1 C2 Screw Reset Int Comp J13 NO4 J13 NO4 C2 Piston 1st Valve Comp 1 C2 322 2nd Valve Comp 1 C2 Screw Valve 50 Comp J13 NO5 J13 NO6 J13 NO6 J13 NO6 C2 Piston Comp 2 C2 Screw Valve 75 Comp C2 Piston 1st Valve Comp 2 C2 322 1st Valve Comp 1 C1 Screw Comp J14 NO7 J15 NO8 J15 NO8 C1 Piston Comp 1 C1 Ventilation 1 C1 Ventilation 1 High Speed C1 Ventilation 1 Low Speed J16 NO9 C1 Liquid Valve J16 NO10 C2 Liquid Valve J16 NO11 C2 Screw Comp J16 NO11 C2 Piston Comp 2 J17 NO12 C2 Ventilation 1 J17 NO12 C2 Ventilation 1 High Speed J17 NC12 C2 Ventilation 1 L Speed J18 NO13 General Alarm J2 B1 C1 HP 4 20ma 1 29b J2 B2 C1 BP 4 20ma 1 6b J2
8. Valid Back to main Decrease LENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX Time Zone Menu From main screen press the Prg key the following menu appears Increase Schedule F T Water Zone A Change time zone 40 0 30 0 07 0 12 0 C Valid go next field r Heating Cooling Decrease Back to main lo a 19 0 22 0 30 0 c This page allows you to select the set point for cooling and heating for each time zone Calculated set point Example The gradient can be positive or negative 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 CL50 CHILLERS IOM 1105 E LENNOX CLIMATIC 50 user manual Chillers ranges LENNOX LENNOX Scheduling Menu The scheduling menu can be accessed from the time zone menu by pressing Prg again DC 50 comfort Increase Start Z A 08h00 Z B 12h00 Valid go next field Change day Decrease Back to main Alarm screen DC 50 comfort RED AMBER Alarm History Menu DC 50 comfort RED AMBER Alarm history 02 gt 03 03 12h05 127 03 27 02 12h03 125 You can scroll down this menu using the arrow keys and select one of the alarm messages by pressing the return key L ENN X CLIMATIC 50 user manual Chillers ranges CL50 CH
9. Ventilation Factor Circuit unloading Nothing L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX CASE 2 Unit with PV or PWM The Ventilation Factor V F is calculated using the High Pressure measured using the HP sensor and the rate at which it is moving away or towards the High Pressure Set Point 3611 It also includes a dead zone of 5 bars and a sampling time constant of 15 seconds If menu set point 3611 is set to 15 bars Pressure gt 17 bars gt V F increasing 12 bars lt Pressure lt 17 bars gt V F unchanged Pressure lt 12 bars gt V F decreasing Ventilation Factor V F can be seen in menu 2222 to 2225 on the DS50 For example on a unit with 3 Fans Fan Stages Compressor i V2 GV i unloading V2 GV V3 GV V3 GV V1 PV PWM i L V2 GV V1 PV PWM V1 PV PWM 0 20 40 60 80 100 The PWM factor which is used to adjust the speed of the fan when it is running in PWM This PWM Factor PWM F is calculated using the High Pressure measured using the HP sensor and the rate at which it is moving away or towards the High Pressure Set Point 3611 The sampling time constant is 5 seconds If menu set point 3611 is set to 15 bars Pressure gt 15 bars gt PWM F increasing 14 bars lt Pressure lt 15 bars gt PWM F unchanged Pressure lt 14 bars gt PWM F decreasing PWM Factor Speed in of max PV Value for PWM F
10. 24 Fre COOMING ses fen EE 25 Energy TECOVENY 5e teles tba Bireta aede edt EES 26 FAULT CODES GENERAL FAULTS Chilled water temperature out of range 28 Insufficient water flow raie esses enne nnne nnne nnne 29 Communication with the extension board sse 30 REFRIGERATION CIRCUITS FAULTS Low pressure cut Oub EE 31 Evaporator freezing protection esses essent 32 Faults probes and sensorg l nul kadaa m a a E 33 COMPRESSOR FAULTS Compressor electrical protection sss 34 High pressure too high ertet n eene eua e o Re oen ie vinde 35 MISCELLAENOUS FAULTS Insufficient flow rate provided by the pDump 36 Fans circuit breakers open 37 Pump circuit breaker opeti 2 tse tee e ret at e reg ree 38 CLIMATIC 50 Input Output MAPPING 2222aaaaaaaaaaavananannnnnnnnnnnnanannannnnnnnnnnnnnnana 39 CONTROL INTERFACE AND DISPLAYS lees enn 42 DC 50 CONFORT DISPLAY iin rxe reser rh xn o tbe amy bea Ete Trek a ek a gana uwe dn dend susie 43 DS 50 SERVICE DISPLAY icu o cuoio dise dezen ce tea ine co ine roo on Dire Die bia cep oa ze cca Ee eege 53 DS 50 MENU TREE ECOLOGIC ECOMAX RANGE enne enn 61 FAULTS CODES 0 Pm 73 IWd4Uhpccm e aiani 75 leise deens 75 LEonWOFKks ntv Ho B e e ied rd Dee tee ede elo e ras 78 CLIMATIC 50 user manual Chi
11. Digital Input Free 5 BE50 J4 ID3 V N 2183 36H 54 R L Dry contact Digital Input Free 6 BE50 J4 ID4 V V 2184 37H 55 R L On Off Fan 1 High speed Circuit 1 V V 2614 38H 56 R L On off Fan 2 Circuit 1 V V 2615 39H 57 R L On off Fan 3 Circuit 1 V V 2616 3AH 58 R L on Off Fan 4 Circuit 1 V N 2617 3BH 59 R L On off Fan 5 Circuit 1 Y 2618 3CH 60 R L On Off Fan 1 High speed Circuit 2 V N 2624 3DH 61 R L On Off Fan 2 Circuit 2 V V 2625 3EH 62 R L On Off Fan 3 Circuit 2 V v 2626 3FH 63 R L On Off Fan 4 Circuit 2 V v 2627 40H 64 R L On Off Fan 5 Circuit 2 V 2628 LonWorks I Sp WCool 1 BMS Direction Occupation Water SP Required O Sp WCool 1 BMS maximum water temperature in C Cooling set point Sp WHeat 1 BMS Occupation Water SP Required O Sp WHeat 1 BMS minimum water temperature in C Heating set point Sp WCool 1 Uno Inoccupation Water SP Required O Sp WCool 1 Uno maximum water temperature in C Cooling set point Sp WHeat 1 Uno Inoccupation Water SP Required O_Sp_WHeat_1_Uno O la TEEG minimum water temperature in C Heating set point Temperature Intlet Water O T Outside Temperature Outdoor Air O la TSEG Temperature Outlet Water O la P HP 1 Pressure High Circuit 1 Bar
12. O la P BP 1 Pressure Low Circuit 1 Bar O la P HP 2 Pressure High Circuit 2 Bar O la P BP 2 Pressure Low Circuit 2 Bar O la P HP 3 Pressure High Circuit 3 Bar O la P BP 3 Pressure Low Circuit 3 Bar O_la_P_HP_4 Pressure High Circuit 4 Bar O_la_P_BP_4 CLIMATIC 50 LENNOX Pressure Low Circuit 4 Bar user manual Chillers ranges CL50 CHILLERS IOM 1105 E EE EE EE LENNOX Type Index Name NV Type NV Direction Index WA LC DS50 BMS Activation of the control by a computer or an automat mode BMS is activated if this value is different from zero This value is decreased every second Sp BMS Dog input O Sp BMS Dog output Sp RunUnit BMS input Unit without pump O Started 1 Stopped Unit with pump 1 Stopped 2 P1 Only 3 P2 Only 4 P1 N P2 S 5 P2 N P1 S O Sp RunUnit BMS output 6 P1 P2 by clock Unit Change over 0 Cool Only 1 Heat Only 2 Auto Pump 3 Auto No Pump Unit Activation of the circuits WA 0 C1 Only 1 C2 Only 2 C1 C2 by clock LC bit 0 C1 bit 1 C2 bit 2 C3 bit 3 C4 Sp ChOver BMS input O Sp ChOver BMS output Sp Rotat BMS input O Sp Rotat BMS output INT 17 O Error Codes 8 output 224 Alarm Code Error S INT 18 O R FCoil PWM 1 81 output 225 of opening Fan Modulation V N 2619 Circuit 1
13. Slave relationship refer to page yp Rol Backup Cascade 0 0 2 7 for details Liste Not Used M S Master Slave relationship refer to page nee 924 Temp MIS Aver o o 2 7 for details Liste Not Used M S Master Slave relationship refer to page TEMOR 3925 Temp MIS Aver o o 2 7 for details Configuration Identification number on 3 BMS 3930 1 ID 3931 1 1 200 the 485 Bus Liste Climatic ModBus Configuration Type of BMS 0 Mode 2 Type 3932 LonWorks Web Lennox Climatic 1 MODBUS 2 0 0 2 LONWORKS 3 Baud 3933 Liste 1200 2400 4800 BMS communication speed between 9600 19200 0 3 4 1200BDS and 19800 BMS Activation of the control by a computer or an automat 4 Watchdog 3934 mode BMS is activated if this value is different from zero This value is 0 0 1000 decreased every second 5 BMS Unoc 3935 On Off BMS Cancel the override unoccupied Off mode LENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOXD FAULTS CODES Water Flow Flow switch cut off See page 29 amp 36 Filters Dirty Filters Missing Electrical Heater Faulty Outlet water T or Supply air T Too high T See page 28 Intlet water T or Room air T Too Low T See page 28 Gas Burner 1 Faulty Gas Burner 2 Faulty Outlet water T
14. or Supply air T Too Low T See page 28 Intlet water T or Room air T Too high T See page 28 Humidifier Faulty Room Humidity Humidity Too Low Room Humidity Humidity Too High Flow Pump Failure See page 36 Pump 1 Electric failure See page 38 Pump 2 Electric failure See page 38 Real Time Clock Faulty BESO 1 Faulty communication See page 30 BE50 2 Faulty BE50 3 Faulty BE50 4 Faulty BE50 5 Faulty BM50 Slave Faulty Remote S Point Faulty Intlet water T or Room air T Faulty Sensor See page 33 Room Humidity Faulty Sensor Outside air Temperature Faulty Sensor See page 33 Outside Humidity Faulty Sensor Outlet or Supply T Faulty Sensor Inlet Heat Recovery Faulty Sensor See page 33 Outlet Heat Recovery Faulty Sensor See page 33 Return or Mixing T Faulty Sensor 90 Air Condenser fan Faulty See page 37 91 Blower Fan Faulty 92 Air Condenser fan Faulty System 1 See page 37 93 Air Condenser fan Faulty System 2 See page 37 94 Air Condenser fan Faulty System 3 See page 37 95 Air Condenser fan Faulty System 4 See page 37 96 Water Condenser Temp Too low 97 Water Condenser Temp Too High 98 Water Condenser Faulty Flow 99 Fire Smoke Faulty 111 High Pressure Faulty Sensor 1 See page 33 112 Low presure Faulty Sensor 1 114 Circuit 1 Compressor elec failure See page 34 115 Circuit 1 High Pressure cut See page 35 117 Circuit 1 Low Pressure cut See page 31 118 Circuit 1 Risk of Frosting See page 32 121 High Pressure Faulty S
15. 0 c EEV Current superheating value Circuit 4 10 1 0 c EEV Saturated evaporation temperature Circuit 1 10 1 0 c EEV Saturated evaporation temperature Circuit 2 10 1 0 c EEV Saturated evaporation temperature Circuit 3 LENNOX 10 1 0 c EEV Saturated evaporation temperature Circuit 4 CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX Logical amp deci 01H 1 RAW L on off Unit v v 3111 02H 2 R W L Reset Discharges the safety measures of the unit NV Vv 3113 03H 3 R W L not used 04H 4 R W L not used 05H 5 RW L eg Activation of the Inoccupation mode Off occupation mode On inoccupation J A 3935 06H 6 R W L not used 07H 7 R W L not used 08H 8 R W L not used 09H 9 R W L not used 0AH 10 R W L not used 0BH 11 R W L not used OCH 12 R W L not used ODH 13 R W L not used OEH 14 R W L not used OFH 15 R W L not used 10H 16 R W L Clock OFF read hour amp minute ON write hour amp minute NON not used Dry contact Digital Output Free 2 BE50 J5 NO1 Dry contact Digital Output Free 3 BE50 J6 NO2 Dry contact Digital Output Free 4 BE50 J7 NO3 Dry contact Digital Output Free 5 BE50 J8 NO4 not used not used not used not used not used
16. 3115 i244 TIT 0 0 3 Lennox set point 2 Clock 3120 1 Hour 3121 H 0 23 Clock Clock setting Hour 2 Minute 3122 m 0 59 Clock Clock setting minute 3 Day 3123 1 31 Clock Clock setting Day 4 Month 3124 1 12 Clock Clock setting Month 5 Year 3125 2 99 Clock Clock setting Year 6 Win Sum 3126 Yes No Clock automatic switch summer time Yes winter time Zone Setting Starting time Hour for 1 Time 3210 1 Start Uno 3211 h Unocupied zone set 6 3 to get 6h30mn 2 Schedule 3200 0 24 24 modulo 10mn Zone Setting Starting time for Zone A 2 Start z A 3212 h isi 0 0 24 set 6 3 to get 6h30mn modulo 10mn Zone Setting Starting time for Zone B SE 3213 0 24 24 set 6 3 to get 6h30mn modulo 10mn Zone Setting Starting time for Zone C TIUS sen 0 24 24 set 6 3 to get 6h30mn modulo 10mn Anticipation Function Bottom of the slope 2 in C Limit of activation of the function This A NEN 3220 1 Foot 3221 C allows an anticipated startup in the morning nticipation depending on the outdoor temperature 10 10 20 Only for the Zone A draaien 3222 mn C Anticipation Function Slope in Minutes of 0 0 100 anticipation per degrees Change over Change over mode for heat 1 Change Liste Cool Only Heat pump units 0 chiller only 1 HP only 2 over 3310 AE sen Only Auto Auto Stop 3 automatic with pump 3 automatic without pump 3 Control 3300 0 0 o
17. Coil 3433 C 4 10 2 3 10 Threshold of coil temperature in c CL50 CHILLERS IOM 1105 E LENNOX LENNOX Main screen Code Description Code Description Code Description Code Unit Min Factory Max Comments Function Defrost Time limit for icing in minute For the dynamic defrost the unit will T run this minimum amount of time If cycling EMA 99 n defrost this is the time delay to start the defrost once the temperature conditions are 1 30 360 met Function Defrost Running time of fans 5 Time Fc 3435 s after defrost cycle in order to dry the outside 5 60 300 coil 5 EEV 3500 1 Circuit 1 3510 1 SuperHeat 3511 C 5 7 5 7 15 EEV Superheat set point With Glycol PDC 5 EEV Lennox set point EEV opening at 1st 2 Anticipation 3512 Yo 0 80 100 stage start 3 P 3513 C 5 Calc 30 EEV Lennox set point Proportional factor 4 l 3514 s 10 35 100 EEV Lennox set point Integral factor 5 D 3515 s 0 5 1 3 EEV Lennox set point Derivate factor 2 Circuit 2 3520 1 SuperHeat 3521 C 5 7 5 7 15 EEV Superheat set point With Glycol PEUT 5 EEV Lennox set point EEV opening at 1st 2 Anticipation 3522 Yo 0 80 100 stage start 3 P 3523 C 5 Calc 30 EEV Lennox set point Proportional factor 4 1 3524 s 10 35 100 EEV Lennox set point Integral fact
18. On Off 2161 On Off 2 Sw Flow 2162 On Off CL50 CHILLERS IOM 1105 E LENNOX LENNOX CLIMATIC 50 user manual Chillers ranges Main screen Code Description Code Description Code Description Code Unit 3 Sw Reset 2163 On Off 4 Sw Unoc 2164 On Off 5 Sw Dis C1 2165 On Off 6 Sw Dis C2 2166 On Off 7 Sw Dis C3 2167 On Off 8 Sw Dis C4 2168 On Off 7 Out Custom 2170 1 Relay 1 2171 On Off 2 Relay 2 2172 On Off 3 Relay 3 2173 On Off 4 Relay 4 2174 On Off 8 In Custom 2180 1 Switch 1 2181 On Off 2 Switch 2 2182 On Off 3 Switch 3 2183 On Off 4 Switch 4 2184 On Off 9 In Custom 2190 1 Temp 1 2191 C 2 Temp 2 2192 C 3 Temp 3 2193 C 4 Temp 4 2194 C 2 Control 2200 1 Water 2210 1 Sp Cool 2211 C 2 Sp Heat 2212 C 3 Cap Cool 2213 4 Cap Heat 2214 5 Sw 2 Sp 2215 On Off 6 Offset 2216 C 2 Ventilation 2220 1 SetPoint 2221 b 2 Capa V1 2222 3 Capa V2 2223 4 Capa V3 2224 5 Capa V4 2225 3 Pump 1 Config 2311 Liste NO Single Double 2 State 2312 Liste Stopped Started1 Started2 Schedule Fault 1 Fault 2 3 Sw Flow 2313 On Off 4 Sw State 2314 On Off 5 Relay 1 2315 On Off 6 Running T 1 2316 h 7 Relay 2 2317 On Off CL50 CHILLERS IOM 1105 E LENNOX LENNOX
19. 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 L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX FAULT CODES PUMP S CIRCUIT BREAKER S OPEN Fault Code 041 042 Description The thermal magnetic trip circuit breaker protecting the pump k has tripped Action Case 1 The unit only handles ONE pump Immediate shut down of pump k Immediate shut down of the unit Fault signal shown on the display The remote fault signal is delayed by 6 minutes Case 2 The unit handles TWO pumps Immediate shut down of pump k Start up of the 2 pump refer to EVAPORATOR PUMP S CONTROL section for more details Fault signal 041 is shown on the display for Pump 1 and 042 for Pump 2 The remote fault signal is delayed by 6 minutes Reset 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 Control all connections Wrong setting on the circuit breaker Set circuit breaker according with compressor normal running current
20. circuit are stopped by forcing the fan s capacity factor to 096 Then the fans are controlled as usual L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX FAULT CODES L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX FAULT CODES CHILLED WATER TEMPERATURE OUT OF RANGE Fault Code 012 013 022 023 Description Water Inlet or Outlet Temperature measured by the temperature sensor is outside the authorised range this range can vary depending on the presence or not of glycol with the chilled water factory setting TE lt set point 3341 chilled water min set point or TE gt set point 3342 Hot water max set point TS lt set point 3341 chilled water min set point or TS gt set point 3342 Hot water max set point Where TE Water inlet Temperature C TS lt Water outlet Temperature C 3341 Minimum chilled water Temperature at evaporator C 3342 Maximum chilled water Temperature at evaporator C Action Compressor immediate shutdown A fault signal is shown on the display 012 Outlet water T too high 013 Intlet water T too low 022 Outlet water T too low 023 Intlet water T too high The remote fault signal is delayed by 6 minutes Reset Automatic reset of the fault signal as soon as the chilled water temperatures comes back in the authorized operating range with a safety offset of 2
21. 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 Important For manual reset of ZR 380 internal protection cut off if the problem comes from a high discharge temperature wait for 30 mn 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 Notes Fault counter is cleared and reset every day at 10 am as long as the maximum number of faults has not been reached The fault signal is reset automatically with each powering of the unit 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 L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX FAULT CODES HIGH PRESSURE TOO HIGH Fault Code 1n5 Description High pressure switch from circuit n has tripped Action Immediate shut down of circuit n Fault signal shown on the display The remote fault signal is delayed by 6 minutes Reset The first 3 faults are automatically reset After thre
22. the outside air temperature under which the unit will operate as a heat pump 3313 Change over summer setting The set point 3313 is the outside air temperature over which the unit will operate as a chiller Example 3312 12 C 3313 23 C Dead zone Chiller operation E o bal Ln bi a o Q E 2 a bal ko L 12 C 23 C Outside air temp L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX EVAPORATOR PUMP S CONTROL 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 3112 on the DS50 Service Display e 1 3112 Started CLIMATIC 50 does not control the pumps e f 3112 Stopped Pumps are stopped e 1 3112 P1 Only CLIMATIC 50 Control only runs pump n 1 f 3112 P2 Only u nunnnuunu CLIMATIC 50 Control only runs pump n 2 e f3112PINP2R cee CLIMATIC 50 Control handles both pumps with N 1 as standard and N 2 as backup e f 3112 P2N PIR CLIMATIC 50 Control handles both pumps with N 2 as standard and N 1 as backup e f 3112 Clock CLIMATIC 50 control handles both pumps equalizing running times and switching from one pump to the other every Tuesday at 18h00 This Pump N 1 is running if all
23. user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX DRIVING THE ELECTRONIC EXPANSION VALVE Function Control the adequate filling of the evaporator heat exchanger with refrigerant in order to get the best efficiency while allowing a good protection of the compressor against liquid slugging Description The electronic expansion valves used on units fitted with CLIMATIC 50 are controlled using the EVD200 Driver Q ppm This driver is design to communicate with the CLIMATIC 50 main control board through a pLan BUS The driver can be set up using the following DS50 menus 3511 3521 3531 3541 gt Superheat circuit 1 2 3 4 3512 3522 3532 3542 gt Anticipation circuit 1 2 3 4 3513 3523 3533 3543 Proportional Factor circuit 1 2 3 4 3514 3524 3534 3544 Integral Factor circuit 1 2 3 4 3515 3525 3535 3545 gt Derivative Factor circuit 1 2 3 4 It is highly recomended NOT TO CHANGE the factory setting of the EVD Driver The Anticipation factor allow the pre opening of the EEV during circuit start up and is calculated according to the capacity at start up Futhermore the EVD Driver is fitted with Leds indicating its status Power Green Open Green Shows the power is ON Flashes during the expanion valve Opening Stays ON when the expansion valve is Fully Open Flashes during the expanion valve Closing Stays ON when the expansion valve is Fully Clos
24. 0 5 Started1 Start 1 Sl Started2 Start 2 5 Started3 Start 3 5 Started4 Start 4 5 Started5 Wait Flow Wait CH Fault 1 3 Sw State 2643 On Off 4 Relay 1 2644 On Off 5 Relay 2 2645 On Off 6 Relay 3 2646 On Off 7 Relay 4 2647 On Off 8 Relay 5 2648 On Off 9 Modulat 2649 7 Option 2700 1 Free Cooling 2710 1 Config 2711 Liste No Yes 2 State 2712 Liste Stopped Started Wait Flow Wait CH 2 Heat Recovery 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 LENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX LENNOX CLIMATIC 50 user manual Chillers ranges Main screen Code Description Code Description Code Description Code Unit Min Factory Max Comments 3 Setting 3000 1 General 3100 1 Order 3110 1 On Off 3111 On Off Off On Off Unit Liste Started Stopped 2 Pompe 3112 P1 Only P2 Only P1 N pump operation mode set up see Pump P2 R P2 N P1 R Clock 0 0 6 operation description page 12 IOM Climatic 50 3 Reset Al 3113 Yes No Reset Discharges the safety measures of Off the unit Override Cancel any override action set 4 Resume 3114 Yes No Y Off with the DC50 Liste Quickly Defrost allis
25. 105 E LENNOX Zone Settings From Main menu 0000 navigate down to sub menu SETTINGS zone settings 3320 DS 50 service Prg changes the time zone LENNUX In this particular page pressing the prg key changes the time zone If SP WAT 1 is selected this displays the Minimum Water Outlet Temperature Set Point for the specific time zone shown in the top corner DS 50 service LENNOX Pressing the prg validates any changes made and moves to the next time zone ESC does not validate the changes and move back one step in the menu tree Special screens for diagnostic For unit operation diagnostic it is helpful to use the special following screen which can be reached by pressing the Prg key while being on the screen 2400 1 Main unit operation water temperature vs set point compressor operation capacity factor WA 150 DK HE Capacity factor 96 DS 5 Service Set point Cooling and or Heating C Inlet Outlet temperature C LENNOX Compressor status for 4 way valve or liquid valve status each circuit for each circuit On ofi On offi L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX 2 Fans operation HP vs set point fan operation Ventilation factor WA 150 DK HE Ventilation factor circuit 1 and 2 HP circuit 1 and 2 bars HP set point circuit 1 and 2 bars DS 50 service CI 2 16 0 Q75 0 rag 00 9 n
26. 21 e Minimum Evaporating Temperature C Action Immediate shutdown of circuit n Fault signal sent to the control display The remote fault signal is delayed by 6 minutes Reset The first 3 faults are automatically reset After three faults the circuit n can only be restarted by a manual reset Note Fault counter is cleared and reset every day at 10 am as long as the maximum number of faults has not been reached Possible causes Solving the problem Faulty LP pressure sensor Replace the pressure sensor Faulty wiring or loose sensor connection 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 L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX FAULT CODES FAULTY PROBES AND SENSORS Fault Code 081 083 086 087 089 1n1 1n2 2n6 Description One or more temperature probes or pressure sensors located on circuit n or elsewhere are short circuited cut or disconnected Probe or sensor affected by the problem Water inlet temperature probe gt code 081 Water outlet temperature probe code 085 Air temperature probe 083 Heat recovery exchanger inlet temperature probe code 086 Heat recovery exchanger outlet temperature probe code 087 High Pressure Sensor Code 1n1 Unit w
27. B3 C2 HP 4 20ma 1 29b J2 B4 C2 BP 4 20ma 1 6b J3 B5 Water Outlet NTC J3 B6 Water Inlet NTC J6 B7 LCW Water T cond Outlet J6 B8 Outdoor Air NTC J4 Y1 J4 Y2 J4 Y3 J4 Y4 C1 Ventilation 2 3 4 5 J4 Y1 C1 Ventilation 1 2 3 4 if two speed C2 Ventilation 2 3 4 5 J4 Y2 C2 Ventilation 1 2 3 4 if two speed C1 Ventilation 1 PWM C2 Ventilation 1 PWM LENNOX CLIMATIC 50 user manual Chillers ranges f No Electronic Exp Valve CL50 CHILLERS IOM 1105 E Digital Input Digital Output BM50 Slave Board Analogic Input Analogic Output LENNOX J5 ID1 J5 ID2 J5 ID3 J5 ID4 J5 ID5 J5 ID6 C3 Comp Fault C3 HP C3 Ventil Fault C4 Comp Fault C4 HP C4 Ventil Fault J12 NO1 C3 Screw Reset Int Comp J12 NO2 C3 J12 NO3 C3 Screw Valve 75 Comp J13 NO4 C4 Screw Reset Int Comp J13 NO5 C4 Screw Valve 50 Comp J13 NO6 C4 Screw Valve 75 Comp Screw Valve 50 Comp J2 B1 C3 HP 4 20ma 1 29b J2 B2 C3 BP 4 20ma 1 6b J2 B3 C4 HP 4 20ma 1 29b J2 B4 C4 BP 4 20ma 1 6b J4 Y1 C3 Ventilation 2 3 4 5 J4 Y1 C3 Ventilation 1 2 3 4 if two speed J4 Y2 C4 Ventilation 2 3 4 5 J4 Y2 C4 Ventilation 1 2 3 4 if two speed J4
28. C on the chilled water and 5 C on the hot water Water Set point 3341 2 C lt TE lt set point 3342 5 C Set point 3341 2 C lt TS lt 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 L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX FAULT CODES INSUFFICIENT WATER FLOW RATE Fault 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 shutdown of the whole unit A fault signal is shown on the display The remote fault signal is delayed by 6 minutes Reset The unit restarts automatically 20 seconds after the flow switch detects a flow rate Possible causes 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 L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX FAULT CODES COMMUNICATION WITH THE EXTENSION BOARD Fault Code 071 Description The communication between the BM50 and the BE50
29. Code Description Code Description Code Unit Min Factory Max Comments 3 gaz 3813 Liste R407c R22 9 R134a 0 2 Configuration Type of refrigerant 23 Compressor 3820 TEEN 3821 vesio Configuration Electronic expansion valve 2 LAK 3822 Yes No Configuration All season control 3 Stages 3823 Yes No Configuration For units with reciprocating m Ce compressor extra capacity reduction 4 Starter 3824 Yes No Configuration For units with compressor soft e bx starter Configuration Fan configuration No No fans A Stages Single speed stage fans 3 i Liste No Stages ET i Ventilation 3830 1 Circuit 1 3831 Modulation Low Speed Modulation 1 fan with speed control others with single speed Low Speed 1 fan with 2 speed others with 0 0 3 single speed Configuration Fan configuration No No fans VEA Stages Single speed stage fans 2 Circuit 2 3832 aris i Ee Modulation 1 fan with speed control others with single speed Low Speed 1 fan with 2 speed others with 0 0 3 single speed Configuration Fan configuration No No fans RUM Stages Single speed stage fans 3 Circuit 3 3833 xim ms j Y od Modulation 1 fan with speed control others with single speed Low Speed 1 fan with 2 speed others with 0 0 3 single speed Configuration Fan configuration No No fans ista Stages Single speed stage fans 4 Circuit 4 3834 Tu ae 4 nd Modulation 1 fan with speed control oth
30. Fan Circuit 2 2620 1 Config 2621 4 Modulat 5 Modulat 1 LowSpeed 2 LowSpeed 3 LowSpeed 4 LowSpeed 5 LowSpeed 2 State 2622 Liste Stopped Start 0 5 Started1 Start 1 5 Started2 Start 2 5 Started3 Start 3 5 Started4 Start 4 5 Started5 Wait Flow Wait CH Fault 1 3 Sw State 2623 On Off 4 Relay 1 2624 On Off 5 Relay 2 2625 On Off 6 Relay 3 2626 On Off 7 Relay 4 2627 On Off 8 Relay 5 2628 On Off 9 Modulat 2629 96 Liste No 1 Yes 2 Yes 3 Yes 4 Yes 5 Yes 1 Modulat 2 Modulat 3 Modulat 4 Modulat 5 Modulat 1 LowSpeed 2 LowSpeed 3 LowSpeed 4 LowSpeed 2 Fan 2 Circuit 3 2630 1 Config 2631 5 LowSpeed 2 State 2632 Liste Stopped Start 0 5 Started1 Start 1 5 Started2 Start 2 5 Started3 Start 3 5 Started4 Start 4 5 Started5 Wait Flow Wait CH Fault 1 3 Sw State 2633 On Off 4 Relay 1 2634 On Off 5 Relay 2 2635 On Off 6 Relay 3 2636 On Off 7 Relay 4 2637 On Off 8 Relay 5 2638 On Off CL50 CHILLERS IOM 1105 E LENNOX Main screen Code Description Code Description Code Description Code Unit 9 Modulat 2639 Liste No 1 Yes 2 Yes 3 Yes 4 Yes 5 Yes 1 Modulat 2 Modulat 3 Modulat 1 Fan Circuit 4 2640 1 Config 2641 4 Modulat 5 Modulat 1 LowSpeed 2 LowSpeed 3 LowSpeed 4 LowSpeed 5 LowSpeed 2 State 2642 Liste Stopped Start
31. ILLERS IOM 1105 E LENNOX Alarm details This menu allows you to view details on the selected fault as shown below RED 7103 03 12h05 125 AMBER Compressor 2 Switching ON or OFF the unit or Forcing a selected time zones for a period of up to 7 days Pressing the return key on the main screen will display the following message f9 po you want to ZE Switch off unit NO e MO ven E wi Choose override Uno Pressing the return KEY validates the choice and move to the next field Up and down arrows gives you the choice between different things If you choose YES to the first question the unit is SWITCHED OFF and you can not access the override menu WARNING Switching Off the unit disable all safety Protections If you choose to stop the Unit in the previous screen the following screen will then appear DC 50 comfort The unit can then be switched back ON by pressing the return key once more L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX If the first choose is NO then the override screen can be accessed a particular time zone can be forced for up to 7 days starting from the day TODAY 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 DC 50 comfort Set override period 1 day Uno MTWTES S
32. LENNOX User manual CLIMATIC 50 CHILLERS eee Providing indoor climate comfort CL50 CHILLERS IOM 1105 E LENNOX TABLE OF CONTENTS Page INTRODUCTION seet geg tenet inersinhetedeesetaendennetsenadenebeldeartodr T 2 WIRING CONNECTIONS AND COMMUNICATION lure 3 CLIMATIC M 50 Controller uie rione tenerent eren e einen eee eine 3 Climatic 50 controller option DC50 remote connection neee eneen eneen 4 Communication BMS eene nene nennen nennen nnn ener en nns 5 Communication Master Slave AA 7 STANDARD CONTROL FEATURES Seife A 9 Anticipation Heat pump mode only iiaaaaaaaaiaanaaaasasaananaanananaanaanannnaannanananannanaanananaanaa 10 Change over Reversible units aaaiaaaaaaiaaanasanannannnsnnnnnnnnnnnnnnnnnnnnnnnnnnnsnnnnnnnnnnnnnnsnnnnan 11 Evaporator pumps Control 21 epii eee ree Rete saal a ee eb iede nnee 12 Thermostat Set point calculation emen 14 Thermostat Control prince 15 GomipressorsS Corttol EE 16 High pressure unloading reete tinue Leder diner ite de He eode aede nete dne 17 Defr st Heat pump etui iei Re Rt Ric e ELT Blur HR hen daalde er a aE kaa Saad a els 18 Driving the electronic expansion valve 00 eeeeeeeeeeeeeeeeeeeeeeeneeeteeaeeeseeeeeeeeneeeeeeaeeeenenaeees 20 Condensing fans Control 22 Customized Input Output GE BO
33. LONWORKS system 3932 LonWorks MODBUS and LONWORKS address table are given at the end of this manual The identification number of each unit can be set 3931 and the communication speed is adjustable between 1200Bds and 19200Bds 3933 MODBUS protocol For this option the BM50 must be equipped with the board PCO1004850 This card is used to interface BM50 to an RS485 network The card guarantees the optical isolation of the controller from the RS485 serial network CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E 5 LENNOX LENNOX On the Climatic set point 3932 ModBus Transmission Mode RTU Baud Rate set point 3933 1200 2400 4800 9600 19200 Word Length 8 Parity NONE Stop Bits 2 Device Id set point 3931 1 to 200 LONWORKS protocol For this option the BM50 must be equipped with the board PCO10000F0 This card is used to interface BM50 to a LonWorks network by FTT 10A 78 kbs TP FT 10 On the Climatic set point 3932 LonWorks Baud Rate set point 3933 4800 Device Id set point 3931 1 to 200 Application Normally the Climatic work on its calendar zones of operation Zone A B C Unoccupied Warning The points in writing received from the BMS are taken into account by Climatic only if mode BMS is activated Watchdog address 3934 The BMS mode is activated if the watchdog is different from zero DS50 address 3934 Modbus analogical item1 Lonworks address Sp BMS Dog Ev
34. NOX Cs LENNOX ANTICIPATION Heat pump mode only Function This allows an anticipated start up in the morning depending on the outdoor temperature Description This function only works for zone A and allow the machine to move from unoccupied zone to zone A earlier if the outdoor temperature is under a certain value This will allow the unit to anticipate a cool day This can be adjusted with set point 3221 and 3222 3221 2 bottom of the slope C Anticipation starting point 3222 gt Slope in Minutes of anticipation per degrees Example WA chiller with Zone A starting at 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 Outside air temp L ENNOXD CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX CHANGE OVER REVERSIBLE UNITS Function For Reversible units only This allows the reversible units to change automatically from winter to summer operation Description This function will change the unit from production of hot water to production of chilled water automatically and can be set up with following set points 3311 Change over mode according to following values Cool Only gt cooling only Heat Only gt heating only Auto gt Automatic change over pumps are running in dead zone Auto Stop gt Automatic change over pumps are stopped in dead zone 3312 Change over winter setting The set point 3312 is
35. Sh Shared Sp Shared Printer N A To exit the configuration procedure and save the data select the filed OK NO choose Yes using the Tl keys and confirm by pressing lt f the terminal remains inactive no button is pressed for 30 seconds the configuration procedure is aborted automatically DC 50 comfort MEM P12 Adr Pirv LS shared ER Trml 17 pr EE Trm2 31 sh Trm2 None OK NO L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX Keys DC 50 comfort Increase a Value or go to Time zone setting m 07 2 C ON Override menu Set time n e Change field or validate Decrease a value or Back to Main Screen or go to override menu Cancel Override Main Screen Water temperature outlet Flow status DC 50 comfort Unit operating mode Cooling or heating LENNOX Outdoor air temperature L ENNDXD CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E Override 3 hours From main screen press any of the two arrow keys as shown bellow Main screen DC 50 comfort Override menu DC 50 comfort gt Override 3 hours Increase Valid Go next line Valid Go main screen Decrease 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 DC 50 comfort Increase
36. Y3 C3 Ventilation 1 PWM J4 Y4 C4 Ventilation 1 PWM LENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E J5 ID7 J14 NO7 C3 Screw Comp J15 NO8 C3 Ventilation 1 J5 ID8 J15 NO8 C3 Ventilation 1 High Speed J15 NC8 C3 Ventilation 1 Low Speed J7 ID9 J16 NO9 C3 Liquid Valve J7 1D10 J16 NO10 C4 Liquid Valve f No Electronic Exp Valve J7 ID11 J16 NO11 C4 Screw Comp J17 NO12 C4 Ventilation 1 J7 1D12 J17 NO12 C4 Ventilation 1 High Speed J17 NC12 C4 Ventilation 1 Low Speed J8 ID13 J18 NO13 General Alarm J8 ID14 BE5O Extension Board J4 ID1 Safety Elec Pump 1 amp 2 J5 NO1 Water Pump 1 i d Lett Custom 1 BESO 1 ew Custom 1 BE50 1 IBS HERD Ede J4 ID2 Energy recovery Unit J6 NO2 Water Pump 2 k 74 12 Custom 2 BES0 2 J6 NO2 Custom 2 BESO 2 SREZ Gn Ju J4 1D3 Custom 3 BE50 3 J7 NO3 Custom BE50 3 J10 B3 Custom BE50 3 J4 ID4 Custom 4 BE50 4 J8 NO4 Custom BE50 4 J10 B4 Custom BE50 4 LENNOX CONTROL INTERFACES AND DISPLAYS Display Connections and Dip Switches Configuration See page 4 Connection diagram CLIMATICTM 50 controller option DC50 remote connection L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX DC50 COMFORT DISPLAY This display is mounted on the panel of the unit and can be also used as a
37. air temperature set point 4 Sp Out 2 3997 S 10 0 50 see page 13 IOM Climatic 50 5 Reactiv 3335 C Capacity Factor Reactivity factor for heating 1 5 50 mode a E e Safety limit Chilled water outlet temperature 4 Safety S940 y AEW at EOW SSC c 3 10 5 10 12 limit minimum with Glycol according to 2 Wat high 3342 C 22 53 53 Safety limit Hot water outlet temperature limit Liste C1___ C 2 C12 C 3 C1 3 EN 1C 23 C123 C__ 1 Circuit 3410 1 Enable 3411 Ai 4 0 2 47 4 C12 4 C 34 C1 34 Circ enable Circuit operation management Compressor 3400 IC 234 C1234 1 3 15 3 15 Circuit authorize to operate 2 Rotat 3412 Liste Auto C 1 C 2 C 3 C 4 0 0 4 Comp priority Circuit priority management S 5 o Safety limit Freezing safety limit minimum SEH ER WE SE 11 20 1 20 5 with Glycol according to 2 Time limit 3422 S 1 30 360 Safety limit Lennox setting HE 5 Temp SP Discharge temperature set point S EDEN 9423 e 90 110 120 WAH only 7 ini o Safety limit Condensing water outlet Seo in es s 5 25 33 temperature limit e Safety limit Condensing water outlet SBM 3425 B 20 55 66 temperature limit 3 Defrost 3430 1 Mode 3431 Liste Dynamic Cyclic L Function Defrost Choice of defrost 1 0 0 2 cycling or 0 dynamic R Function Defrost Authorization of defrost FOIS ME 8 8 10 20 Threshold of outside temperature in c Function Defrost Authorization of defrost 3
38. as S LENNOX Fan status for each circuit e ol Off PWM factor circuit 1 and 2 96 3 Circuit 1 to 4 operation HP LP superheat vs set point Superheat set point C EEV opening step superheat C unit with EEV only WA 150 DK HE Circuit number DS 50 service Circuit Low Pressure Circuit High Pressure bars and Dew point bars and Bubble point LENNOX Suction temperature C unit with EEV only BM 50 address configuration It may be necessary to change BM50 addresses on the LAN network mainly in case of Master Slave installation Follow the procedure hereunder to do so 1 Change the DS50 address to 0 Turn the power OFF ON on the BM50 then access the configuration mode by pressing 71 for at least 5 seconds until you reach the following screen DS 50 service LENNOX CL50 CHILLERS IOM 1105 E LENNOX CLIMATIC 50 user manual Chillers ranges LENNOX By using T 4 keys Change the Display addresses setting to 0 instead of 32 as standard value and validate with H key 2 Change the BM50 address Shut off the power on the BM50 and then turn it on again after 5 seconds then press alarm and Tkeys in order to get the following screen DS 50 service Select A AAAHHH Select UNE self test AES please wait m ngs e se JHHHHHHHHHHHHHHHHHHHE etn LENNOX Then you will get DS 50 service 0 increase DOWN decrease sa
39. can be seen on menu 2619 2629 2639 and 2649 on a DS50 L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX CUSTOMIZED INPUT OUTPUT BE 50 Function With the optional expansion board BE 50 it is possible to customize some input output for remote control of the unit So it is possible to customize e 4 digital outputs NC or NO connectors J5 J6 J7 J8 set up with parameters 3851 3852 3853 and 3854 e 4 digitals inputs connectors J4 ID1 ID2 ID3 ID4 set up by parameters 3861 3862 3863 et 3864 e 4 analogical inputs 4 20mA or Lennox NTC temperature probe on connectors J9 B1 B2 B3 and B4 set up with parameters 3871 3872 3873 et 3874 Description So it is possible to set up the following functions With 3851 3852 3853 and 3854 digital output NC or NO free contacts following information could be recovered on each contact e Fault fans or pumps or water flow or Cicuit1 2 3 or 4 Heating mode 10096 on Circuit 1 2 3 or 4 Unit fully loaded 10096 Unit ON Unoccupied mode zone A Bou C BMS mode With 3861 3862 3863 et 3864 digital input 24V AC or DC following orders can be sent on each contact Switch water set point set point 1 set point 2 Force Heating mode Force cooling mode Disable circuit 1 2 3 or 4 Force unoccupied mode With 3871 3872 3873 et 3874 analogical input 4 20mA or Lennox NTC probe J9 B1 B2 B3 et B4 It is possible to make th
40. e No back up unit During start up the units capacity steps are started in cascade unit by unit In every case the outlet water temperature set point 3924 and or the outside air temperature set point 3925 used for regulation can be set by using following calculations e Notused gt Each unit regulates with its own sensors e M S Temp Slaves units regulate with Master sensors e M S Aver gt 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 1105 E 7 LENNOX LENNOX LAN configuration On the LAN network each unit needs to be addressed e Unitn 1 Master unit e Unitn 2to4 gt Slave units For the configuration of each unit address on the LAN network refer to DS50 Service display chapter Page 53 and above Each DC 50 has to be addressed to its correspondent unit In order to do so please refer to DC50 Comfort Display page 43 and above 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 LEN NOXD CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX SCHEDULING Function Controlling operation of the unit according to the time and day Description CLIMATIC 50 can handle 4 time zone
41. e faults the circuit n can only be restarted by a manual reset Notes Fault counter is cleared and reset every day at 10 am as long as the maximum number of faults has not been reached Possible causes Solving the problem Dirty condenser Clean the condenser Wrong setting on the condenser control Check the settings of the controller Wrong operation of the liquid line solenoid valve Check the operation of the solenoid valve 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 L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX FAULT CODES INSUFFICIENT FLOW RATE PROVIDED BY THE PUMP Fault Code 001 040 Description Pump k supplying flow rate to the evaporator has been ordered to start for 20 seconds The flow switch FSE is detecting insufficient flow rate in the heat exchanger for more than 25 seconds Action Case 1 The unit only handles ONE pump Immediate shut down of compressors and pump k Fault signal 001 is shown on the display The remote fault signal is delayed by 6 minutes Case 2 The unit handles TWO pumps and the Normal Safety mode or Clock has been activated Immediate shut down of pump k Start up of the 2 pump refer to EVAPORATOR PUMP S CONTROL sectio
42. e following actions e Set point offset e Free temperature probe connection The measured value will be displayed on following addresses 2191 2192 2193 or 2194 The 4 20mA signal sent to the unit is converted linearly using a 5K to 5K range of temperature set point For example For a unit set point of 7 C supply temperature a 20mA signal will give a 12 C return temperature set point In any case with a unit running with clear water the chilled water supply temperature set point CAN NOT be adjusted to a value below 6 C L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX FREE COOLING Function Ensure optimum cooling capacity though the use of free cooling therefore reducing electrical consumption Description Free cooling principle 3Way TEE pem FANS TEA Eva Mer Free cooling coil TSE TEE gt Inlet water temperature C TSE gt Outlet water temperature C TEA gt Outdoor air Temp rature C Control of the free cooling 3 way valve 3 way valve is activated if the following conditions are met gt The unit is running gt TEA is below the TEE gt Chilled water circulation pump has been running for at least 30 seconds Control of the free cooling fans In the case where the free cooling fans are the same as the main refrigeration circuit fans which is the most popular mode for Lennox units they are co
43. ed Stays ON when Alarm is ON Refer to Faults and Alarms section Stays ON when the communication is established with CLIMATIC 50 Flashes when the communication is disturbed or broken Close Green Error Red pLan Green VU v vv L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E Connexion with BM50 LENNOX 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 Addresses must follow the rules hereunder Ecologic n BM50 address Driver circuit Driver circuit n 1 address n 2 address 1 1 5 6 2 2 7 8 3 3 9 10 4 4 11 12 Ecomax BM50 Driver Driver Driver Driver n address circuit n 1 circuit n 2 circuit n 3 circuit n 4 address address address address 1 1 5 6 7 8 2 2 3 9 10 11 12 4 The dip switches have to be positioned according to the following table 8 10 2004 SW4 SW5 Address 8 16 5 OFF OFF 6 OFF OFF 7 OFF OFF 8 ON OFF 9 ON OFF 10 ON OFF 11 ON OFF 12 ON OFF CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX LENNOX CONDENSING FANS CONTROL Function Maintain the condensing pressure as stable and as low as possible in order to increase the unit performances w
44. ensor 2 See page 33 122 Low presure Faulty Sensor 2 124 Circuit 2 Compressor elec failure See page 34 125 Circuit 2 High Pressure cut See page 35 LENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX 127 Circuit 2 Low Pressure Cut See page 31 128 Circuit 2 Risk of Frosting See page 32 131 High Pressure Faulty Sensor 3 See page 33 132 Low presure Faulty Sensor 3 See page 33 134 Circuit 3 Compressor elec failure See page 34 135 Circuit 3 High Pressure cut See page 35 137 Circuit 3 Low Pressure Cut See page 31 138 Circuit 3 Risk of Frosting See page 32 141 High Pressure Faulty Sensor 4 See page 33 142 Low presure Faulty Sensor 4 See page 33 144 Circuit 4 Compressor elec failure See page 34 145 Circuit 4 High Pressure cut See page 35 147 Circuit 4 Low Pressure Cut See page 31 148 Circuit 4 Risk of Frosting See page 32 2n0 Circuit n EEV n Wrong addressing See page 21 2n1 Low Superheat EEV n Error 2n2 High Suction T EEV n Error 2n3 MOP EEV n Error 2n4 LOP EEV n Error 2n5 Valve Not Closed EEV n Error 2n6 LP sensor or suction probe EEV n Error See page 33 2n7 Motor EEV n Error 2n8 EEPROM EEV n Error 2n9 Battery EEV n Error LENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX BMS Points ModBus BMS Activation of the control by a computer or an aut
45. ers with single speed Low Speed 1 fan with 2 speed others with 0 0 3 single speed Liste No Simple se OOR 3840 LPM S84 Double 2 Configuration Pump configuration 2 Glycol 3842 50 Configuration Glycol persentage 3 Recovery 3843 Yes No Configuration Heat recovery option CL50 CHILLERS IOM 1105 E LENNOX LENNOX CLIMATIC 50 user manual Chillers ranges Main screen Code Description Code Description Code Description Code Unit Min Factory Max Comments 5 Out 3850 1 BE50 1 3851 Liste Not Used C 1 Configuration Free output to be customised Custom i A Ge pee 0 0 20 First output of the extension board BE50 arm amp 4 Alarm Fans Configuration Free output to be customised KE 3852 HER Quin Node 0 0 20 second output of the extension board BE50 H o K 1 1 H 3 BE50 3 3853 C2 100 C3 100 fo fo zo Third outputof the extension board BESO C 4 100 U 100 U 4 BE50 4 3854 On Z A Z B Z C Uno Configuration Free output to be customised Bms Free 0 0 20 Fourth output of the extension board BE50 Configuration Free input to be customised SE deed REE 9861 pti Aa AEN 0 0 9 input of the extension board BE50 E Configuration Free input to be customised SERM 3882 Setpoint Gon DOW 0 0 9 input of the extension board BE50 Heat C1 Di
46. ery 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 Normally the BMS has to send a value to this address regularly example 255 every 4 mn L ENNO X CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E el LENNOX WIRING CONNECTIONS AND COMMUNICATIONS MASTER SLAVE MASTER SLAVE BM 50 BM 50 BM 50 BM 50 CH1 Ji n CH2 u 19 CH3 M H CHA Cable c section mm 3 twisted pair H C U LAN A A A A 500m maxi A A A A LAN TT Cable c section mm Cable c section mm Cable c section mm Cable c section mm 3 twisted pair 3 twisted pair 3 twisted pair 3 twisted pair 500m mad 500m maxi 500m max 500m maxi gt gt gt A EERERHH A CERERI Hi A Ann o A E DT50 DT50 DT50 DT50 gt gt gt gt B B B B DC50 DC50 DC50 DC50 DC50 DC50 DC50 DC50 Function Link several units in order to allow a Master Slave relationship in between each units Description Three modes are available and can be set up using following set points 3922 gt number of units linked maximum 4 for Ecologic range 2 for Ecomax 3923 gt Operation mode e Back up mode One unit is the back up unit and will operate if any of the other units has a failure e Rolling Back up mode Same as above except the back up unit will change every Tuesday e Cascade mod
47. es ee er er es ee e s s sel or sr peeeeeeessjeessss V EI o esesel esese ele see FUST BM OU EEE 588323 vir I o o o bi bi ar Qus ar O b B5 555 lee elle e e jleeeee leeees 855 588825 Ton aw coN m aw x n essa 6 M a ie es4s221 UN CL50 CHILLERS IOM 1105 E WIRING CONNECTIONS AND COMMUNICATIONS CONNECTION DIAGRAM CLIMATIC 50 CONTROLLER OPTION DC50 REMOTE CONNECTION Ba Zn nay seus Pg LENNUX CLIMATIC 50 user manual Chillers ranges 65 4l321 B4 83 654321 Input Bi 8P 83 84 lie CL50 CHILLERS IOM 1105 E LENNOX DOO DS 50 LENNOX WIRING CONNECTIONS AND COMMUNICATIONS COMMUNICATION BMS F d BM 50 Bu Te SERIAL CARD SERIAL CARD CH3 RS485 MODBUS RS485 MODBUS LON WORKS FTT 10A LON WORKS FTT 10A Cable c section mm two wire 12E rancing from mini 0 2 to maxi 2 5 mm AWG20 22 1000 m maxi SERIAL CARD BM50 Connect a 120 ohms 1 4 W end line resistor ONLY MODBUS Function 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 KPO6 see specific KPO6 manual or other Lennox communication products 3932 Climatic 2 MODBUS Protocol 3932 Modbus 3
48. essing 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 DS 50 service 0000 01 Zone A e ai 1 ALARM 12h44 2 Data Tuesday 3 setting April 03 di Down LENNUX DS 50 service 0000 01 zone Al E 1 ALARM 12h44 1 2 Data Tuesday Setting April 03 Select LENNUX L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX Sub menu Data 2000 DS 50 service 2000 01 1 gt GENERAL 2 Control Menu Reference Indicates the menu below LENNOX If the menu GENERAL is selected the controller then displays a second level sub menu DS 50 service of Sf 2100501 1 TEMPERATURE 2 Circuit 1 d 3 Circuit 2 LENNUX By selecting the item TEMPERATURE and pressing return a third level page is displayed as shown bellow DS 50 service P 11501 LENNUX 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 L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E 7 LENNOX Alarms DS 50 service ET 0000 01 zone Al P ES 1 ALARM 12h44 j 2 Data Tuesday P 3 Setting April 03 REL
49. hanger for a period that can be adjusted with set point 3435 10 end of defrost OMONOARWN gt Two different type of Defrost demand are possible e Dynamic defrost set point 3431 Dynamic e Cycling defrost set point 3431 Cyclic L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX Dynamic defrost This allows the unit to start the defrost cycle only when required This is achieved through the measurement of the temperature difference between the coil and the outdoor The defrost will be initiated shortly after the Climatic50 has located the largest gradient in the curve Temperature difference between coil and outdoor Coil freezing Coil e frozen B Yet H H Defrost cycle start 1 H 1 1 Highest gradient 1 1 1 Time Cycling defrost The unit will start a defrost cycle with a regular time period set point 3434 Defrost parameters summary 3431 gt Defrost mode dynamic cyclic 3432 gt Outside air temperature under which the defrost cycle is activated 3433 gt LP temperature under which the defrost cycle is activated 3434 gt 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 gt Fan running time after the defrost cycle in order to dry the exchanger L EN NOXD CLIMATIC 50
50. hile avoiding excessive cycling Description Identical to the complete machine control logic the CLIMATIC 50 s aim is to reach and hold the high pressure set point However the fan control includes a dead zone ensuring a greater stability to the High Pressure and avoiding starting and stopping the fans too frequently Can be adjusted using menus 3611 High pressure control set point in bars relative pressure 3612 Reactivity Operation On a unit with N fans per circuit the number of stages follows the table hereunder Number of Stages Model PV with PWM PV GV WA RA STD HE SLN 1 0 N 1 WA LN 1 N 1 0 Where PV Low speed Fan Operation GV High Speed Fan Operation PWM Pulse Width modulation only on PV CASE 1 Unit without PV or PWM The Ventilation Factor V F is calculated using the evolution of High Pressure measured using the HP sensor and the rate at which it is moving away or towards the High Pressure Set Point 3611 See diagram page 12 It also includes a dead zone of 5 bars 4 bars if the unit has glycol and water set point lt 0 C and a sampling time constant of 15 seconds As for capacity control the reactivity will fasten or slow down the VF evolution Example Unit with 3 fans one circuit and HP set point 3611 is set to 15 bars Pressure gt 15 bars gt V F increasing 10 bars lt Pressure lt 15 bars gt V F unchanged Pressure lt 10 bars gt V F decreasing
51. is down Action Alarm signal is ON The unit carries on running Reset The fault signal disappears automatically as soon as the communication is back on line Possible causes Solving the problem 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 L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX FAULT CODES LOW PRESSURE CUT OUT Fault Code 1n7 Description The low pressure cut out limit depends on the type of refrigerant which is inside the circuit and is defined as following R407C gt 1 5 bar abs Or 28 C Vapour Saturated Temperature One compressor on circuit n does not work for 2 minutes and in the case of a unit with low ambient kit and Thermostatic Expansion Valve the TXV bypass valve has been closed for 1 minute but the low pressure is too low NOTE Only units with thermostatic expansion valves and Low ambient kit options are fitted with TXV bypass Action f the Low Pressure of a circuit is below the safety limit for more than an hour then the considered circuit is not allowed to start again This circuit is shut down immediately A fault signal is shown on the display The remote fault signal is delayed by 6 minutes Reset Automatic reset of the fault signal as soon as the low pre
52. ithout EEV Low Pressure Sensor Code 1n2 Unit with EEV Low Pressure Sensor or suction probe Code 2n6 Action Immediate shut down of circuit n for faulty sensors Immediate shut down of ALL circuits for faulty water outlet temperature and air temperature probes No shut down for the other faults Fault signal shown on the display The remote fault signal is delayed by 6 minutes 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 Remplace probe or sensor Wrong wiring or loose connection on a probe or Check probes and sensors connections and sensor wiring L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX FAULT CODES COMPRESSOR ELECTRICAL PROTECTION Fault Code 1n4 Description During start up or operation of a compressor m e The thermal magnetic trip breaker or the compressor internal protection from circuit n is tripped e The phase rotation protection has detected an incorrect connection standard on screw compressor and available as a special request on other units e The discharge line thermostat is tripped out screw compressors only Action Immediate shut down of compressors m from circuit n Fault signal shown on the display The remote fault signal is delayed by 6 minutes Reset If the fault signal
53. llers ranges CL50 CHILLERS IOM 1105 E 1 LENNOX LENNOX INTRODUCTION CLIMATIC en The new generation of microprocessor based control CLIMATIC 50 may be fitted to the Lennox chiller range It inherits 15 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 a software specifically designed for water chiller applications maximising the LENNOX units efficiency and performance Compatibility This documentation is compatible with following programs e Ecologic ranges from version 50 8 e Ecomax ranges from version 50 4 L ENNDXD CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E WIRING CONNECTIONS AND COMMUNICATIONS IMPORTANT WARNING LENNOX Any wiring modification on the CLIMATIC 50 must be done by Lennox technician or employees having valid electrical qualification and authorisation For any modification of wiring on the 24V supply or on 4 20mA sensor check the polarity prior to apply the power Wrong polarity may cause serious damage and destroy the Plan network Lennox will not accept liability for damage caused by wrong power connection or any wiring modification done by people without valid training and qualifications CONNECTION DIAGRAM CLIMATIC 50 CONTROLLER LENNOX 8 e Went ent ergot Heriot CLIMATIC 50 user manual Chillers rang
54. lt 1 3 Position 2513 i 2 Circuit 2 2520 1 Config 2521 Liste No Yes 2 State 2522 Liste Stopped Started Wait Flow Wait CH Schedule Switch Fault 1 3 Position 2523 n 3 Circuit 3 2530 1 Config 2531 Liste No Yes 2 State 2532 Liste Stopped Started Wait Flow Wait CH Schedule Switch Fault 1 CL50 CHILLERS IOM 1105 E LENNOX LENNOX CLIMATIC 50 user manual Chillers ranges Main screen Code Description Code Description Code Description Code Unit 3 Position 2533 e 4 Circuit 4 2540 1 Config 2541 Liste No Yes 2 State 2542 Liste Stopped Started Wait Flow Wait CH Schedule Switch Fault 1 3 Position 2543 E Liste No 1 Yes 2 Yes 3 Yes 4 Yes 5 Yes 1 Modulat 2 Modulat 3 Modulat 6 Ventilation 2600 1 Fan Circuit 1 2610 1 Config 2611 4 Modulat 5 Modulat 1 LowSpeed 2 LowSpeed 3 LowSpeed 4 LowSpeed 5 LowSpeed 2 State 2612 Liste Stopped Start 0 5 Started1 Start 1 5 Started2 Start 2 5 Started3 Start 3 5 Started4 Start 4 5 Started5 Wait Flow Wait CH Fault 1 3 Sw State 2613 On Off 4 Relay 1 2614 On Off 5 Relay 2 2615 On Off 6 Relay 3 2616 On Off 7 Relay 4 2617 On Off 8 Relay 5 2618 On Off 9 Modulat 2619 Liste No 1 Yes 2 Yes 3 Yes 4 Yes 5 Yes 1 Modulat 2 Modulat 3 Modulat 1
55. n 1 J7 1D12 Step 3 RA J17 NO12 C2 Ventilation 1 High Speed J17 NC12 C2 Ventilation 1 Low Speed J8 ID13 Step 4 RA J18 NO13 General Alarm J8 1D14 Step 5 RA BE50 Extension Board J9 B1 WAH C1 Discharge T Comp1 NTC150 C J9 B1 WA Energy recovery Inlet NTC J2 Y1 Free cooling J9 B1 Custom BE50 1 J5 NO1 MCC C1 Fan2 J5 NO1 MCC C1 Fan 1 if two speeds J5 NO1 free cooling J5 NO1 Custom BE50 1 J4 ID1 Energy recovery Unit or Custom 1 J6 NO2 MCC C1 Fan 3 J9 B2 WAH C1 Discharge T Comp2 NTC150 C J4 ID2 Custom 2 BE50 1 J6 NO2 MCC C1 Fan 2 if two speeds J9 B2 WA Energy recovery Onlet NTC J6 NO2 Custom BE50 2 J9 B2 Custom BE50 2 J7 NO3 MCC C2 Fan 2 J10 B3 WAH C2 Discharge T Comp1 NTC150 C J4 ID3 Custom 3 BE50 2 J7 NO3 MCC C2 Fan 1 if two speeds J10 B3 Custom BE50 3 J7 NO3 Custom BE50 3 J8 NO4 Starter J8 NO4 MCC C2 Fan 3 J10 B4 WAH C2 Discharge T Comp2 NTC150 C J8 NO4 MCC C2 Fan 2 if two speeds J10 B4 Custom BE50 4 J8 NO4 Custom BE50 4 J4 ID4 Custom 4 BE50 3 or stater L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E Ecomax LC Digital Input Digital Output BM50 Master Board Analogic Input Analogic Output LENNOX J5 ID1 C1 Comp Fault J5 ID2 C1 HP J5 ID3 C1 Ventil Fault J5 ID4 C2
56. n for more details If the FSE is detecting a flow rate then the fault 040 is shown on the display the unit is then running normally If the FSE does not detect any flow rate the fault 040 is shown on the display the unit is then shut down The remote fault signal is delayed by 6 minutes q q Reset In all cases implying a shut down of the unit 3 start up attempts are made then after these three faults per day the unit can only be restarted by a manual reset Notes Fault counter is cleared and reset every day at 10 am as long as the maximum number of faults has not been reached Possible causes Solving the problem Problem in the pump control wiring Check the pump connections Problem with flow switch wiring Check the flow switch connection Dirty water filter Clean the water filter Wrong setting of the flow switch Adjust the setting of the flow switch L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX FAULT CODES FAN S CIRCUIT BREAKER S OPEN Fault Code 90 92 93 94 95 Description One or more thermal magnetic trip circuit breaker protecting the condenser fans are tripped Ecologic unit gt Fault code 90 Ecomax unit circuit 1 gt code 92 Ecomax unit circuit 2 gt code 93 Ecomax unit circuit 3 gt code 94 Ecomax unit circuit 4 gt code 95 Reset The fault is cleared automatically as soon as the fans circuit breakers are closed
57. nstantly running if the compressors are stooped and if the chilled water outlet temperature is above the set point defined in menu 3321 and 3322 When a compressor starts the fans run as without free cooling In the case where the free cooling fans are independent from the main refrigeration circuit fans they are running for as long as the chilled water outlet temperature has not been reaching the set point defined in menu 3321 and 3322 Compressor Operation For the compressor control if the outside temperature is lower than the water entry temperature the free cooling is considered as an additional first compressor stage by the regulation L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX ENERGY RECOVERY Function Ensure optimum cooling capacity by improving the performance of air cooled chiller with energy recovery system Description Energy recovery Principle Water condenser for energy recovery BILA Y Air cooled condenser Activation of the energy recovery function The energy recovery function on the Chiller is activated by switching the menu 3843 to ON Condenser fans control When switching to energy recovery mode Activation of the flow switch 5s the fans of the considered
58. of the following conditions are met gt At least one ON OFF of circuit n is ON c Unit remote ON OFF is ON c NOT in the unoccupied zone c Set point 3112 is not set to Stopped c Configuration 3841 is not set to No c Pump has been stopped for 1 minute or is already running c There is no electrical fault on the pump c There is to flow rate fault These conditions are ignored if the outdoor temperature is below set point 3341 1 C and if the outlet water temperature is below set point 1 C in order to prevent the water from freezing A pump can be controlled by the CLIMATIC 50 even if electrically the network pump is not handled by the refrigeration unit 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 L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX 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 3112 is set to P1 Only for pump N 1 and P2 Only for Pump N 2 c When running Standard Backup Operation pump N k has
59. omat mode BMS is 1s activated if this value is different from zero This value is decreased every 01H 1 R W 121 i d if thi lue is diff f This value is d d V V 3934 second Unit without pump O Started 1 Stopped 3112 02H 2 R W 121 Unit with pump 1 Stopped 2 P1 Only 3 P2 Only 4 P1 N P2 S 5 P2 N P1 V V BMS S 6 P1 P2 by clock Unit Change over 0 Cool Only 1 Heat Only 2 Auto Pump 3 Auto No 3311 03H 3 RW 1 1 pan J ai 04H 4 RW 1 1 Unit Activation of the circuits bit 0 C1 bit 1 C2 bit 2 C3 bit 3 C4 ae AE zine Occupation Water SP Required maximum water temperature in C Cooling 3321 05H 5 R W 10 1 0 c sei poini 4 4 SMS EDT Occupation Water SP Required minimum water temperature in C Heating set 3331 06H 6 R W 10 1 0 c point 4 Bue 07H 7 R W 40 1 0 c Inoccupation Water SP Required maximum water temperature in C Cooling 4 4 3321 set point Uno 08H 8 R W 40 1 0 c Inoccupation Water SP Required minimum water temperature in C Heating 4 3331 set point Uno 09H 9 R W not used 0AH 10 R W not used 0BH 11 R W not used OCH 12 RW 1 1h Clock Hour JV v 3124 ODH 13 R W 121m Clock Minute V vV 3122 OEH 14 R W 1 21 Clock Day of the month V V 3123 OFH 15 R W 121 Clock Month V V 3124 10H 16 R W 1 2001 Clock Year Y V 3125 not used not used 10 1 0 c BMS Outdoor temperature coming from the BMS not u
60. onnector A e Remote DC50 on connector SC e 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 supply available to all connectors J14 and J15 set between2 3 Connectors B and C are in parallel but line 1 and 6 don t reach connector A and screw connector SC Displays connected to these ports will not be powered If J14 and J15 are set in different positions the terminal connection board DT50 DOES NOT WORK NOTE When a shielded wire is used the metallic case of the Terminal connection box DT50 must be earthed O 888888 SC 3 8 al is J 15 ISIS BR 5 oro DT50 RJ12 PIN connection SC Terminals RJ12 Pin conn Description 0 shield earth 1 1 VRL 30V 2 2 GND 3 3 Rx Tx 4 4 Rx Tx 5 5 GND 6 6 VRL 30V L ENN X CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX Terminal display address configuration The address of the terminal must be checked after having powered the board To access the configuration mode press 714 together and hold them for at least 5 seconds The screen shown below will be displayed with the curs
61. or 5 D 3525 s 0 5 1 3 EEV Lennox set point Derivate factor 3 Circuit 3 3530 1 SuperHeat 3531 C 5 7 5 7 15 EEV Superheat set point With Glycol PES a EEV Lennox set point EEV opening at 1st 2 Anticipation 3532 Yo 0 80 100 stage start 3 P 3533 C 5 Calc 30 EEV Lennox set point Proportional factor 4 1 3534 s 10 35 100 EEV Lennox set point Integral factor 5 D 3535 s 0 5 1 3 EEV Lennox set point Derivate factor 4 Circuit 4 3540 1 SuperHeat 3541 C 5 7 5 7 15 EEV Superheat set point With Glycol RISE T EEV Lennox set point EEV opening at 1st 2 Anticipation 3542 Yo 0 80 100 stage start 3 P 3543 C 5 Calc 30 EEV Lennox set point Proportional factor 4 1 3544 s 10 35 100 EEV Lennox set point Integral factor 5 D 3545 s 0 5 1 3 EEV Lennox set point Derivate factor 6 HP SP High pressure set point for R134a Ventilation 3600 SPORE SPALE te 11 16 11 L unit HP Factor Reactivity set point for fan 2 Reactiv 3612 C operation 1 10 50 7 Option 3700 8 Config 3800 1 Unit 3810 1 Range 3811 Liste 8 6 Configuration Unit model 2 Size 3812 Liste 83 126 Configuration Type of unit CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX LENNOX CLIMATIC 50 user manual Chillers ranges Main screen Code Description
62. or flashing in the top left hand corner To change the address of the terminal display press the H key once Usethe Ti keys to select the desired value and confirm by pressing lt 4 DC 50 comfort PSlpisplay adress fthe address was changed it will display the below screen DC 50 comfort PSlpisplay adress L ENN X CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E p LENNOX Assigning Terminal displays to control boards Access the configuration mode by pressing 14 for at least 5 seconds NOTE To access the board address menu you must go directly to the bottom of the first screen shown in below screen without changing the terminal address as explained above Press tel key until the cursor moves to the field I O Board address XX below screen Use the f Jkey to select the correct Climatic board N of Unit DC 50 comfort Pressing again will display the screen shown below DC 50 comfort f Terminal config Press ENTER amp e TO continue Pressing again will display the screen shown below The field P XX shows the address of the selected board In the example the value 12 has been selected The filed under the Adr column represents the addresses of the terminal displays associated with the board that has the address 12 while the column under Priv Shared indicate the type of terminal selected Ph Private
63. peration 2 Winter 3312 C 10 19 50 Change over Change over winter setting 3 Summer 3313 C 10 22 50 Change over Change over summer setting Water SP Outlet chilled water temperature set 2 Water o point see page 14 IOM Climatic 50 minimum Cool Top Wat SS e with Glycol according to 5 10 7 17 CL50 CHILLERS IOM 1105 E LENNOX LENNOX CLIMATIC 50 user manual Chillers ranges Main screen Code Description Code Description Code Description Code Unit Min Factory Max Comments Water SP Outlet chilled water temperature set 2 Sp Wat 2 3322 C point see page 11 IOM Climatic 50 minimum 5 10 7 17 with Glycol according to a o Water SP Ambiant air temperature set point peut dues c 10 22 50 see page 13 IOM Climatic 50 S S Water SP Ambiant air temperature set point E Beet S 10 30 50 see page 13 IOM Climatic 50 5 Reactiv 3325 C Capacity Factor Reactivity factor for cooling 1 5 50 mode 3 Water E 6 Water SP Outlet hot water temperature set Heat 3330 repost 33311 ee 17 40 50 point see page 13 IOM Climatic 50 3 o Water SP Outlet hot water temperature set SSpWALe 8332 p A 17 40 50 point see page 13 IOM Climatic 50 o Water SP Ambiant air temperature set point SSP 3998 i 10 19 50 see page 13 IOM Climatic 50 N Water SP Ambiant
64. priority Set point 3112 set to P1NP2S for Pump N 1 and P2NP1S for pump N 2 gt n 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 3112 is set to PINP2S P2NP1S or Clock the second pump if available will automatically start NOTE CLIMATIC 50 control only stops the pumps 2 minutes at least after the request to switch the whole unit OFF has been given in order to prevent any risks of freezing the evaporator heat exchanger L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX THERMOSTAT Set point calculation Function Set the chilled or hot water circuit temperature depending on the outdoor conditions in order to optimise the energy consumption Description Calculation of the chilled water set point Calculated Set Point Values are given for indications only 3321 Gradient can be positive or negative 10 C 332 Outdoor re Temperature 3323 3324 22 C 30 C Calculation of the chilled water set point Values are given for indications only Calculated Gradient can be positive or negative Set Point 3331 40 C one Outdoor Temperature 3334 3333 0 C 19 C L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX THERMOSTAT Control principle Function Adjust and hold the fluid outlet tempe
65. rature as close as possible to the set point by controlling the number of compressor stages depending on the thermal load on the system Description CLIMATIC 50 control constantly calculates the required capacity to reach the temperature set point This variable is called CAPACITY FACTOR CF and its value can vary from 0 to 100 It is directly linked to the number of control stages of the unit i e For ecologic WA 230D K STD with 6 control stages the CF will start and stop a stage at the following values 0 17 33 50 67 83 100 It then evolves following the principles detailed in the diagram below This applies to a chiller 2 K CF INCREASES 1 K CF FROZEN Start more Capacity Stages Difference between o Water outlet VS Temperature and SET POINT TK CF FROZEN 2 K U d Water Outlet Temperature A FAST SLOW Change Rate SLOW FAST In any Cases for a chiller if the Low Water temperature limit is reached Compressors are stopped In order to anticipate the reference point is recalculated each time the difference between water temperature and set point reach a minimum or a maximum The rate of change of the Capacity Factor CF is determined by another parameter called REACTIVTY and which value is in 96 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 L ENNOX gt CLIMATIC 50
66. remote controller this display is designed for non technician user This display gives information such as flow or pump status set point and outside air temperature It does not allow access to detailed operating data It can be used to set or change the scheduling of the different time zones the temperature set point for each zone It also has the capacity to set a 3 hours override and to force the unoccupied mode or any of the different time zones for a period of up to 7 days It displays the real time clock and different faults signals Display Type FSTN graphic Back light Green LEDs Resolution 120x32 pixels Power Supply Voltage from main Climatic board Max power 0 8W Remote Installation The optional DC50 is designed to be mounted on the wall e Fitthe 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 RJ12 plug on the back of the DC50 display Fasten the front panel on the back piece using the flush head screws supplied e e e e Finally fit the click on frame CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E 43 LENNOX LENNOX Terminal connection board installation quide DT 50 The board is fitted with three telephone RJ12 plugs Ensure the board is correctly connected Standard connection is e Climatic on connector C e Unit DC50 on c
67. ription High Pressure Unloading consists in reducing the variable capacity on a screw compressor or to stop one compressor on units fitted with tandems or trios Activation of High Pressure Unloading If High Pressure is over 26 5 bars Ecologic MCC with scroll compressors or 23 5 bars other units and carries on increasing as all the fans are running full speed one compressor is stopped or one stage of capacity reduction is activated on the affected circuit High Pressure Unloading is controlled as an additional virtual ventilation stage while the HP is over the threshold See explanation in the fan control section L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX DEFROST Heat Pump Function Avoid the ice on the Evaporator while the reversible unit works in winter operation 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 3432 and the LP is lower than a set point 3433 While defrost is demanded the defrost cycle is as following Stop compressor and fans wait 5s reverse 4 way valve wait 5s start compressor When HP reach 22b or compressor are running for more than 4 minutes stop compressor wait 5s reverse 4way valve start fans at full speed in order to dry the exc
68. s over the 7 days of the week e Zone unoccupied e ZoneA e ZoneB e ZoneC 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 PROG key to change day 3211 gt Starting time Unoccupied Zone hour minute 3212 gt Starting time Zone A hour minute 3213 gt Starting time Zone B hour minute 3214 gt Starting time Zone C hour minute 8h00 12h00 14h00 20h00 Monday Unoccupied Unoccupied Tuesday Wednesday Thursday Friday Saturday Sunday For each time zone the following set points can be adjusted 1 Pump control type Set point 3112 refer to the pump control pages for more details 2 Change Over rules for heat pump units Set point 3311 must be set for each time zone 3 Heating and cooling temperature set points Set point 3321 to 3325 for cooling and 3331 to 3335 for heating refer to the control set point pages for more details 4 Compressor operation Set point 3411 refer to the compressor operation pages for more detailed information With DS50 for each set point press PROG key to change time zone and validate the right set point in the right zone Note Monday is the first day of the week for the scheduling on CLIMATIC 50 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 1105 E LEN
69. sable C2 S 3 BE50 3 3863 Disable C3 Disable C4 Configuration Free input to be customised Disable Sw Unoc Free 0 0 9 CUm the En board BESO Configuration Free input to be customise PEDE 3964 0 0 9 input of the extension board BE50 7 1n Configuration Free input to be Custom 3870 1 BE50 1 3871 customised input of the extension board 0 0 2 BE50 Configuration Free input to be 2 BE50 2 3872 customised input of the extension board Liste Not Used S P Offset O 0 2 BE50 Free NTC Configuration Free input to be 3 BE50 3 3873 customised input of the extension board 0 0 2 BE50 Configuration Free input to be 4 BE50 4 3874 customised input of the extension board 0 0 2 BE50 Allows a reset of ALL set point to standard factory settings when 1 Display 3910 1 Standard Sp 3911 Yes No available No possible for configurations and clock as there is no factory settings 9 Com 3900 Off for these 2 Configuration Identification address Master Slave 3920 1 ID 3921 for the unit from 1 to 4 for master slave 1 eg 4 2 operation Configuration Number of units on the 2 Number 3922 BUS Unit with address N 1 is always the 1 1 4 2 master CL50 CHILLERS IOM 1105 E LENNOX Main screen Code Description Code Description Code Description Code Unit Min Factory Max Comments Ate 3923 Liste Not Used Backup Master
70. sed not used not used not used not used not used not used not used not used not used not used not used LENNOX CLIMATIC 50 user manual Chillers ranges not used CL50 CHILLERS IOM 1105 E Alarm Code Error 10 1 0 c Temperature Intlet Water 10 1 0 c Temperature Outdoor Air 10 1 0 c Temperature Outlet Water Pressure High Circuit 1 Pressure Low Circuit 1 Pressure High Circuit 2 Pressure Low Circuit 2 Pressure High Circuit 3 Pressure Low Circuit 3 Pressure High Circuit 4 Pressure Low Circuit 4 of opening Fan Modulation Circuit 1 of opening Fan Modulation Circuit 2 of opening Fan Modulation Circuit 3 of opening Fan Modulation Circuit 4 10 1 0 c Dry contact Temperature Free 1 BE50 J9 B1 10 1 0 c Dry contact Temperature Free 2 BE50 J9 B2 10 1 0 c Dry contact Temperature Free 3 BE50 J10 B3 10 1 0 c Dry contact Temperature Free 4 BE50 J10 B4 Fan Numbers which run Circuit 1 Fan Numbers which run Circuit 2 Fan Numbers which run Circuit 3 Fan Numbers which run Circuit 4 10 1 0 c EEV Current superheating value Circuit 1 10 1 0 c EEV Current superheating value Circuit 2 10 1 0 c EEV Current superheating value Circuit 3 10 1
71. ssure moves above the CUT OUT limit If the low pressure fault is activated more than three times during the same day the fault signal is locked out and must be reset manually The auto reset limits are detailed below R407C gt 2 5 bars abs or 16 C saturated vapour temperature Note Fault counter is cleared and reset every day at 10 am as long as the maximum number of faults has not been reached Possible causes Solving the problem 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 L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX FAULT CODES EVAPORATOR FREEZING PROTECTION Fault Code 1n8 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 n has been running for at least 2 minutes and the saturated temperature TBPn is lower than the set point 3421 for more than 5 seconds for units filled with R407c This safety feature is disabled for 2 minutes after start up or stop of a compressor or a fan on the considered circuit With TBPn e Evaporating Temperature of circuit n dew point C 34
72. t L ENNOX gt CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E www lennoxeurope com LENNUX gt BELGIUM LUXEMBOURG www lennoxbelgium com CZECH REPUBLIC www lennox cz FRANCE www lennoxfrance com GERMANY www lennoxdeutschland com GREAT BRITAIN www lennoxuk com IRELAND www lennoxireland com NETHERLANDS www lennoxnederland com d CL50 CHILLERS IOM 1105 E POLAND www lennoxpolska com PORTUGAL www lennoxportugal com RUSSIA www lennoxrussia com SLOVAKIA www lennoxdistribution com SPAIN www lennoxspain com UKRAINE www lennoxrussia com OTHER COUNTRIES www lennoxdistribution com Due to Lennox s ongoing commitment to quality he Specifications Ratings and Dimensions are subject to change without notice and without incurring liability mproper installation adjustment alteration Service or maintenance can cause property damage or personal injury nstallation and service must be performed by a qualified installer and servicing agency
73. tarted1 Defrost Wait Flow Wait CH 2442 Ant Sho Cy Schedule Switch Fault 1 3 Sw State 2443 On Off CL50 CHILLERS IOM 1105 E LENNOX LENNOX CLIMATIC 50 user manual Chillers ranges Main screen Code Description Code Description Code Description Code Unit 4 Sw High P 2444 On Off 5 Sw Low P 2445 On Off 6 Relay 2446 On Off 7 H Pump 2447 On Off 8 Valve 2448 On Off 9 Run Time 2449 H 5 Comp 2 C2 1 Config Liste No Cool Only H Pump Ecomax 2450 2451 2 State Liste Stopped StartHeat Started Start 0 5 Started1 Defrost Wait Flow Wait CH 2452 Ant Sho Cy Schedule Switch Fault 1 3 Sw State 2453 On Off 4 Sw High P 2454 On Off 5 Sw Low P 2455 On Off 6 Relay 2456 On Off 7 H Pump 2457 On Off 8 Valve 2458 On Off 9 Run Time 2459 H 5 Comp 3 C2 SE 1 Config Liste No Cool Only H Pump Ecomax 2460 2461 2 State Liste Stopped StartHeat Started Start 0 5 Started1 Defrost Wait Flow Wait CH 2462 Ant Sho Cy Schedule Switch Fault 1 3 Sw State 2463 On Off 4 Sw High P 2464 On Off 5 Sw Low P 2465 On Off 6 Relay 2466 On Off 7 H Pump 2457 On Off 8 Valve 2458 On Off 9 Run Time 2459 H 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 Fau
74. user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX COMPRESSOR CONTROL Function Compressor stages are started and stopped in a pre determined order which minimized the effect of the anti short cycle protection and equalized running time Description Compressor Starting and Stopping Sequences This Sequence is determined by the calculated compressor running time This control also includes the automatic and instantaneous back up of a compressor by another one if it becomes unavailable Starting and Stopping Compressors Compressor XXX starts if all the following conditions are met gt The water circulation pump has been running for at least 1 minute Remote ON OFF switch for the complete unit is ON gt The ON OFF control for the considered circuit is ON gt The unit the compressor and the circuit do not have any Majors Alarm ON gt The control requires the start up of a compressor gt XXX is the compressor with the lowest run time amongst the stopped compressor To see the run times for each compressor refer to menu 2419 2429 2469 gt 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 L ENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E LENNOX HIGH PRESSURE UNLOADING Function Reduce the capacity of a refrigeration circuit before the HP cut out is reached Desc
75. ve amp exit LENNOX By using T 4 keys Change the pLan address to the correct value 1 to 4 and validate with key 3 Change the DS50 address Set back the DS 50 address to its normal address 32 with the relevant procedure LENNOX CLIMATIC 50 user manual Chillers ranges CL50 CHILLERS IOM 1105 E DS50 MENU TREE ECOLOGIC ECOMAX RANGE LENNOX LENNOX CLIMATIC 50 user manual Chillers ranges Main screen Code Description Code Description Code Description Code Unit 1 Alarm 1000 1 date time 2 date time 3 date time 2 Data 2000 1 General 2100 1 Temperature 2110 1 Outside 2111 C 2 Inlet 2112 C 3 Outlet 2113 C 4 Wat Cond 2114 C 2 Circuit 1 2120 1 SuperHeat 2121 C 2 T Condensing 2122 C 3 T Saturated 2123 C 4 T Suction 2124 C 5 P Condensing 2125 6 P Saturated 2126 3 Circuit 2 2130 1 SuperHeat 2131 C 2 T Condensing 2132 C 3 T Saturated 2133 C 4 T Suction 2134 C 5 P Condensing 2135 6 P Saturated 2136 4 Circuit 3 2140 1 SuperHeat 2141 C 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 4 T Suction 2154 C 5 P Condensing 2155 b 6 P Saturated 2156 b 6 Other 2160 1 Sw

User manual CLIMATIC™ 50 - CHILLERS

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User manual CLIMATIC™ 50 - CHILLERS