Trane RLC-SVU02F-E4 Owner'S Manual Download Page 3

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Contents

RLC-SVU02F-E4

General Information

Principles of operation
of the UCM-CLD module

General Information

Operator’s Interface

Operational Features

Diagnostics

Diagnostics

Default Description

Controller for hydraulic module/
free cooling / heat recovery / RTWB
heat pump applications

Hydraulic module control

Control logic

Module and outputs/inputs

Hydraulic module option

Data display menu

Configuration menu

Alarms messages - hydraulic module application

Mask and menu chart

Free cooling application

Heat recovery application

RTWB heat pump application

Summary of Contents for RLC-SVU02F-E4

Page 1: ...UCM CLD Chiller Control System Owner Manual RLC SVU02F E4 ...

Page 2: ...resentative should send a registered letter to the last carrier within 3 days of delivery Note for deliveries in France even concealed damage must be looked for at delivery and immediately treated as visible damage Reception in all countries except France In case of concealed damage The consignee or the site representative must send a registered letter to the last carrier within 7 days of delivery...

Page 3: ...scription 17 Controller for hydraulic module free cooling heat recovery RTWB heat pump applications 22 Hydraulic module control 23 Control logic 23 Module and outputs inputs 24 Hydraulic module option 25 Data display menu 26 Configuration menu 27 Alarms messages hydraulic module application 30 Mask and menu chart 31 Free cooling application 32 Heat recovery application 38 RTWB heat pump applicatio...

Page 4: ...nsion Valves Control of both electronic expansion valves CSR Communication and Setpoint Reset Local CLD Local Clear Language Display Operator interface located in the front panel of the unit Remote CLD Remote Clear Language Display TCI IV COM 3 Tracer Communication Interface 4 COM 3 Safety protection and control of the helical rotary compressor and its components Control of the serial communicatio...

Page 5: ... various setpoints specified temperature and pressure values and the status of operating parameters and options Keyboard A 16 key touchpad allows both navigation between menus and the modification of parameters and setpoints The keys are divided into two groups Individual Menu Keys Control Keys Chiller Report Menu key Custom Report Menu key Refrigerant Menu Previous key Compressor Menu Next key Op...

Page 6: ...ate a value after modification Cancel keyThis key should be pressed if a modified setting should not be saved Auto key Pressing this key allows the unit to be in Auto mode if it was previously placed in Stop mode with the Stop key The unit cannot be forced into Auto mode if an external contact or the serial link has stopped it When the unit is stopped by the remote interface Remote CLD the local m...

Page 7: ...r Evaporator Refrigerant Pressures RefrigerantTemperature in Condenser RefrigerantTemperature in Evaporator Compressor Report Menu Compressor Status Time and Start Counters Amps RLA OilTemperature GP compressor only Operator Settings Menu Setpoint Source External Chilled Water Setpoint External Hot Water Setpoint Chilled Water Pump Operation Chilled Water Pump Off Delay 1 min 30 min Ice Machine Co...

Page 8: ...t 1 50 50 Fan Control Deadband bias Circuit 2 50 50 LEVEL THREE Configuration Protection Information Compressor Model Number Prefix Number of Compressors Oil Loss Differential Setpoint Compressor ATon Compressor BTon Compressor CTon Compressor DTon Fan Control Variable Speed Fan Circuit 1 Variable Speed Fan Circuit 2 Number of Fans Circuit 1 Number of Fans Circuit 2 Reduced Inrush Starting Current...

Page 9: ...n Electronic expansion valve EXV test This test can be performed only when the Stop key has been pressed It will confirm proper operation of the electronic expansion valve and the EXV module After the test has been initiated at the Clear Language Display the UCM will 1 Overdrive the EXV closed 25 seconds 2 Overdrive the EXV open 25 seconds 3 Overdrive the EXV closed 25 seconds 4 Reset the display ...

Page 10: ...C seconds There must be a minimum of 2 7 C between the cutout temperature and both the front panel and active chilled water setpoints The Clear Language Display will not permit setting of either the front panel or active chilled water temperatures less than 2 7 C above the cutout temperature The second line will state Limited by Cutout Setpoint to change If the leaving water temperature cutout is ...

Page 11: ...8 C minimum and will raise the settings of the chilled water setpoints if necessary If the chilled water setpoints were adjusted the display will show the following when the Enter key is pressed FRONT PANEL CHILLED WATER SETPOINT HAS BEEN INCREMENTED DUETO CUTOUT SETPOINT CHANGE If the saturated evaporator refrigerant temperature for a circuit drops below this Setpoint for longer than 16 C seconds...

Page 12: ...isplay monitors incoming current during start up and will shut down the compressor within one second if phase reversal is detected C CA AU UT TI IO ON N Phase relationship during installation of unit power must be carefully controlled to ensure compressor protection against reversed rotation Oil failure protection The logic of the UCM uses a comparison of the entering oil temperature at the compre...

Page 13: ...ure switch are shown below Pressure Switch Approval Close Open B51 PED 19 20 bar 22 23 bar High Pressure Czech republic Poland B23 PED 1 5 bar 0 5 bar Low Pressure Czech republic Poland 4 C LWTE 15 C B23 PED 1 2 bar 0 2 bar Low Pressure Czech republic Poland 12 C LWTE 4 C Figure 3 Water Temperature Sensor Installation Model RTWB Compression Fitting Clamping Nut Fitting Body 1 2 NPT x 1 1 2 Large C...

Page 14: ...t defined in the A70 Module The chiller will be stopped if the condenser leaving water temperature is greater than the setpoint the differential to stop The chiller will start if the condenser leaving water temperature is lower than the setpoint the differential to start Sensor Failure In the heating mode and if the CDS leaving water temperature sensor fails the chiller is stopped and the alarm re...

Page 15: ...point between 17 8 C and 18 3 C Note The A70 module will scale automatically the value between 12 C and 15 C Note The input configuration must be done before any signal connection Refer toTable 4 for the setting rule AI External heating setpoint input configurable This input will be powered in 0 1V or 4 20mA The configuration will allowed 0 1V or 4 20mA signals This signal will create a heating se...

Page 16: ...own has occurred A machine shutdown occurred but has cleared press Next NO ACTIVE DIAGNOSTICS PRESENT If more than one diagnostic is present only the highest priority active diagnostic will be explained in detail For example if the diagnostics occur in the following order before the operator returns IFW MMR CMR the display will read because the MMR has the highest priority However as the operator ...

Page 17: ...nsor Fault b5 Low Pressure Cutout Ckt 1 CMR LP pressure switch open Fault b6 Low Pressure Cutout Ckt 2 CMR LP pressure switch open Fault bA Overload trip Cprsr A CMR Current exceeded Fault bb OverloadTrip Cprsr B CMR Current exceeded Fault bC Overload trip Cprsr C CMR Current exceeded Fault bd Overload trip Cprsr D CMR Current exceeded Fault bE High Pressure Cutout Cprsr C CMR HP too high Fault bF...

Page 18: ... open during more than 20 sec Fault 19A low Oil Flow Cprsr C CMR Oil flow switch open during more than 20 sec Fault 19b Low Oil Flow Cprsr D CMR Oil flow switch open during more than 20 sec Fault 19C Phase Loss Cprsr A CMR Loss of 1 or more phases Fault 19d Phase Loss Cprsr B CMR Loss of 1 or more phases Fault 19E Phase Loss Cprsr C CMR Loss of 1 or more phases Fault 19F Phase Loss Cprsr D CMR Los...

Page 19: ...p Cprsr B CMR Winding temperature 105 C Fault 1C0 WindingTemp Cprsr C CMR Winding temperature 105 C Fault 1C1 WindingTemp Cprsr D CMR Winding temperature 105 C Fault 1C6 High Differential Pressure Ckt 1 CMR LB HP pressure differential 24 5 bar Fault 1C7 High Differential Pressure Ckt 2 CMR LB HP pressure differential 24 5 bar Fault 1d1 Memory ErrorType II IFW RAM error Fault 1d2 Memory ErrorType I...

Page 20: ...mp Sensor Cprsr C CMR Defective sensor Fault 1E8 Entering OilTemp Sensor Cprsr D CMR Defective sensor Fault 2A1 Cond Fan Vari Speed Drive Fault Ckt 1 IFW Defective fan variator speed after 5 attemps Fault 2A2 Cond Fan Vari Speed Drive Fault Ckt 2 IFW Defective fan variator speed after 5 attemps Note MMR Machine shutdown manual reset MAR Machine shutdown automatic reset CMR Circuit shutdown manual ...

Page 21: ...Failure Fault 441 Cprsr A Mod to Chiller Mod Comm Failure Fault 443 Cprsr A Mod to EXV Mod Comm Failure Fault 445 Cprsr A Mod to Cprsr B Mod Comm Failure Fault 451 Cprsr B Mod to chiller Mod Comm Failure Fault 453 Cprsr B Mod to EXV Mod Comm Failure Fault 454 Cprsr B Mod to Cprsr A Mod Comm Failure Fault 461 Cprsr C Mod to Chiller Mod Comm Failure Fault 463 Cprsr C Mod to EXV Mod Comm Failure Faul...

Page 22: ...etting the alarms The red LED lights up when at least one alarm has been detected 3 Program button Allows the various operating parameters to be set safety parameters thresholds 4 Escape button Allows the return to default display 5 6 Downward and Upward arrows Allow management of currently displayed screen and setting of values of control parameters 7 Validation button Allows to move from line to...

Page 23: ...on must control 2 pumps mounted in parallel on the evaporator circuit of a RTAD unit Pump start and stop When a pump demand is sent by the UCM CLD module and when the system is enabled the control is in charge of the activation of on the 2 pumps 1 at a time A hardware safety exists on the electrical panel not to start both pumps at the same time Automatic change over on a pump failure When a failu...

Page 24: ..._Req J4 ID5 ac IDC1 0 Common Relays Outputs J9 C1 Pump1_Out Pump 1 Output J9 N01 ac C1 Pump2_Out Pump 2 Output J9 N02 ac C1 Heaters Electric Heaters Output J9 N03 ac C1 Common Relays Outputs J10 C4 FS_Out Flow Switch Output to the UCM CLD J10 N04 ac C4 Yes_Alarm Customer Information Output J11 N05 ac C5 J11 C5 Yes_Alarm Customer Information Output J11 NC5 ac C5 Power input to the module pCOXS 50VA...

Page 25: ...ng Pump 1 is running Pump 2 Running Pump 2 is running No Pump Request No pump request sent by the UCM CLD Pump 1 OVD Manual Override on pump 1 Pump 2 OVD Manual Override on pump 2 System OFF System is OFF WFP Active Winter Freeze Protection by pump is active Alarm An Alarm is present Access to sub menus Access to this mask using the Prg key The sub menu will be selected using the Up and Down keys ...

Page 26: ...al 3 Water Flow No Yes 4 System Validation No Yes 5 Pump request No Yes Digital Outputs 1 Pump 1 Output No Yes 2 Pump 2 Output No Yes 3 Heaters Output No Yes 4 Flow Switch Output No Yes 5 Alarm Output No Yes Counters 1 Pump 1 Running hours 2 Pump 2 Running hours Pump 1 000000 hrs Pump 2 000000 hrs Pump 1 Yes Pump 2 No Heaters No FS_Out Yes Alarm No 5 Pump 1 Status Pump 2 Status Water flow Syst Yes...

Page 27: ...e Enter key Change the field value using the Up and Down keys and confirmation by Enter 1 Access via password 0000 to 9999 User Settings 1 Pumps Rotation No Yes Clock Menu 1 Access via password 0000 to 9999 Clock Settings 1 Weekday Mon Tue Wed Thu Fri Sat or Sun 2 Time setting 3 Date setting dd mm yy ...

Page 28: ...8 70 C during 30s Alarm OAT Sensor Faulty OAT Sensor Auto Heaters ON WFP activation Faulty sensor out of range 38 70 C during 30s Alarm Pump 1 Faulty Pump 1 Manual Pump 1 OFF Failure on pump 1 Alarm Pump 2 Faulty Pump 2 Manual Pump 2 OFF Failure on pump 2 Alarm Flow Switch On But no pump required Water Flow w o Pump Auto Could be due to a faulty water flow switch Water Flow is established but ther...

Page 29: ...iller is switching to Free Cooling Chiller FC Free Cooling is switching to Chiller Free Cooling Free Cooling is running FC wait Chiller Free Cooling is waiting for the end of timer to switch to Chiller FC Chiller Chiller is waiting for the end of timer to switch to Free Cooling Chiller PLC Failure Chiller is enabled PLC Programmable Logic Controller is in alarm mode PLC Failure Chiller is not enab...

Page 30: ...ure 4 Active chilled water setpoint Setpoint Source 1 Setpoint Source Front Panel External Air Reset Return Water Reset 2 Active chilled water setpoint Front Panel Setpoints come from local source External Setpoints come from external source Air Reset Setpoints adjusted according to readings from air temperature sensor Return Water Reset Setpoints adjusted according to readings from return water t...

Page 31: ...em Off On NNSB Off On 2 UCM Pump Not Req Required 3 Flow Switch OK Not OK 4 Free Cooling Disable Enable Digital Outputs 1 Fans 1 2 and 3 Off On 2 Fan Speed Low High 3 FC status Off On 4 UCM enabled Off On 5 System Pump Off On 6 Flow Switch Off On 7 PRG Relay Off On ...

Page 32: ...justed Water Setpoint Output Value and Output Analog Voltage Settings Menu Access to each field within a mask using the Enter key Change the field value using the Up and Down keys and confirmation by Enter 1 Access via password 0000 to 9999 User Settings 1 Leaving WaterTemp SP 17 8 C or LAW 2 8 C 15 C or HCWSP 7 C 2 Chiller DeltaTemp SP 2 C 10 C 5 C 3 Pump OFF DelayTimer 0 30min 1min 4 Programmabl...

Page 33: ... comes from external source Based on OAT Reset is based on outdoor air temperature Based on Ret Wat Reset is based on return water temperature 2 Ratio 80 120 25 3 StartTemperature 15 5 C 54 4 C 10 C 4 Maximum CWR 0 C 11 1 C 2 7 C Clock Menu 1 Access via password 0000 to 9999 Clock Settings 1 Weekday Mon Tue Wed Thu Fri Sat or Sun 2 Time setting 3 Date setting dd mm yy ...

Page 34: ...y sensor out of range 38 60 C during 30s Alarm OAT Sensor Faulty OAT Sensor Auto Free Cooling OFF Chiller ON Faulty sensor out of range 38 60 C during 30s Alarm Flow Switch Flow Switch Auto Free Cooling OFF Chiller OFF No water flow during 6s Alarm Low LWT or EWT Low LWT or EWT Auto Free Cooling OFF Chiller OFF LWT or EWT below LAW for more than 16 6 C s Alarm Int LWT EWT 120 C s LWT EWT during 12...

Page 35: ...ture 4 Unit status Cool Mode Running Chiller is running in Cool Mode Cool HR Mode Running Chiller is running in Cool and Heat Recovery Mode Cool HR Mode Stopped Chiller is stopped in Cool and Heat Recovery Mode Cool Mode Stopped Chiller is stopped in Cool Mode HR is Starting Heat Recovery is starting HR is Stopping Heat Recovery is stopping Alarm Chiller is stopped by Alarm HR Application 00 00 00...

Page 36: ...ng the Enter button 1 Data display menu 2 Settings menu 3 Clock menu 4 Unit configuration menu Data display menu The following mask will be accessed using the Up and Down keys Analog Inputs 1 Customer return hot water temperature 2 Circuit 1 pressure 3 Circuit 2 pressure 4 Active hot water setpoint Hot Water Temp C1 pressure C2 pressure Active HWSP 00 0 C 00 0b 00 0b 00 0 C ...

Page 37: ...Off On 2 Circuit 2 Fans stages Off On Circuit 2 Enable Output Off On 3 Programmable Relay Off On Analog Outputs 1 3 Way valve Output Value and Output Analog Voltage 2 C1 Speed Inverter Output Value and Output Analog Voltage 3 C2 Speed Inverter Output Value and Output Analog Voltage 000 0 00 0V 000 0 00 0V 000 0 00 0V 3WV DV1 DV2 CKT On On FAN1 FAN2 PRG Relay 1 Off Off On 2 Off Off 3 Off Off Circui...

Page 38: ... and Down keys and confirmation by Enter 1 Access via password 0000 to 9999 User Settings 1 Hot WaterTemp SP 40 60 C 50 C 2 Programmable Relay Function PLC ON PLC Fault HR ON Clock Menu 1 Access via password 0000 to 9999 Clock Settings 1 Weekday Mon Tue Wed Thu Fri Sat or Sun 2 Time setting 3 Date setting dd mm yy Hot Water SP PRG Relay 50 C HR ON ...

Page 39: ...r ON See unit status on Main display Alarm HWT Sensor Faulty HWT Sensor Auto Heat Recovery OFF Chiller ON Faulty sensor out of range 38 85 C during 30s Alarm PRS1 Sensor Faulty PRS1 Sensor Auto Heat Recovery ON Circuit 1 OFF Faulty sensor out of range 0 5 30 bars during 15s Alarm PRS2 Sensor Faulty PRS2 Sensor Auto Heat Recovery ON Circuit 2 OFF Faulty sensor out of range 0 5 30 bars during 15s ...

Page 40: ... to this mask using the Prg key 1 Data display menu 2 Settings menu 3 Clock menu 4 Unit configuration menu The sub menu will be selected using the Up and Down keys and selected using the Enter button Data display menu The following mask will be accessed using the Up and Down keys Binary and Analog Inputs 1 Condenser Leaving WaterTemperature 2 ON OFF Unit input Stop Auto 3 External Mode input Heat ...

Page 41: ...ped Running 3 CDS Pump Status Stopped Running 4 Sensor Alarm Normal Alarm Active Setpoints 1 Active Mode Heating Cooling 2 Heating Setpoint displayed if Heating Mode 3 Cooling Setpoint displayed if Cooling Mode Note Ext is displayed according to the External Control setting No Partial Mode only Full Mode SP ...

Page 42: ...1 0000 to 9999 User Settings 1 1 Front Panel Heat Setpoint 25 0 C 60 0 C 35 0 C 2 Front Panel Cool Setpoint 12 0 C 18 0 C 6 0 C 3 Front Panel Heat Cool switch Heat Cool 4 External Control No Partial Full User Settings 2 1 External Heat Setpoint InputType 0 1V 4 20mA 2 External Cool Setpoint InputType 0 1V 4 20mA Note This screen is displayed if the External Control setting is Full Mode SP ...

Page 43: ...un 2 Time setting 3 Date setting dd mm yy Alarms Messages RTWB Heat pump application Alarm Screen History Events Record Reset Type Comments Description No Alarm No Alarm none See Application status on Main display Alarm CDS LWT Sensor Faulty CDS LWT Sensor Auto Chiller stopped in Heating mode only Faulty sensor out of range 38 70 C during 60s ...

Page 44: ...rves the right to change design and specifications without notice Only qualified technicians should perform the installation and servicing of equipment referred to in this publication www trane com For more information contact your local sales office or e mail us at comfort trane com Trane bvba Registered Office 1789 Chaussée de Wavre 1160 Brussels Belgium ...

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