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Service Menu Parameters

Type

—This selection sets the type of action for each event listed. There are 3 different types of events

(Alarm, Warning and Message). When an event is triggered and the type is set to alarm then the light

and buzzer on the Display will activate, an event will be written to the event log and the (K3) alarm

relay will close. If the type is set to Warning then the light and buzzer on the display will activate, an

event will be written to the event log and the (K3) alarm relay can be configured to close or provide no

reaction. If the type is set to Message, then the event is only written to the event log.

Figure 68 Set alarms parameters screen - Page 4

Figure 69 Set alarms parameters screen - Page 5

SET ALARMS (page 4 of 7)

PASSWORD (Actual Level 0)

????

DELAY

EN-DIS TYPE

COMP 1 OVERLOAD

ENABLE

ALM

COMP 2 OVERLOAD

ENABLE

ALM

COMP 1 HIGH PRESSURE

ENABLE

ALM

COMP 2 HIGH PRESSURE

ENABLE

ALM

COMP 1 LOW PRESSURE

ENABLE

ALM

COMP 2 LOW PRESSURE

ENABLE

ALM

COMP 1 PUMPDOWN FAIL

ENABLE

ALM

COMP 2 PUMPDOWN FAIL

ENABLE

ALM

DIGI SCROLL1 HIGH TEMP

ENABLE

ALM

DIGI SCROLL2 HIGH TEMP

ENABLE

ALM

EL HEAT HIGH TEMP

5 ENABLE WRN

S236
S237
S238
S239
S240
S241
S242
S243
S244
S245
S246
S247
S248

UNIT 01

SET ALARMS (page 5 of 7)

PASSWORD (Actual Level 0)

????

DELAY

EN-DIS TYPE

WORKING HRS EXCEEDED

0 ENABLE WRN

SMOKE DETECTED

2 ENABLE

ALM

WATER UNDER FLOOR

2 ENABLE

ALM

COND PUMP-HIGH WATER

2 ENABLE

ALM

LOSS OF FLOW

5 ENABLE

ALM

STBY PUMP ON

2 ENABLE

ALM

STANDBY UNIT ON

2 ENABLE

ALM

HUMIDIFIER PROBLEM

2 ENABLE

ALM

NO CONNECTION w/Unit1

ENABLE WRN

UNIT X DISCONNECTED

ENABLE WRN

LOSS OF POWER

DISAB WRN

S249
S250
S251
S252
S253
S254
S255
S256
S257
S258
S259
S260
S261

UNIT 01

Содержание Liebert Challenger 3000

Страница 1: ...Precision Cooling For Business Critical Continuity Liebert iCOM User Manual Intelligent Communications Monitoring for Liebert Challenger 3000 Liebert Challenger ITR and Liebert DS ...

Страница 2: ......

Страница 3: ...ffset Changing System Pressure Settings 17 3 2 Temperature Control Single Source Cooling No Extra Cooling Coil 18 3 2 1 Temperature Proportional Band 18 3 2 2 Compressor Control 19 3 2 3 Chilled Water Control 22 3 3 Temperature Control Second Cooling Source 23 3 3 1 Differential Temperatures Controls Comparator Circuit 23 3 4 Temperature Control Reheat 25 3 4 1 Three Stage Electric Hot Gas and Hot...

Страница 4: ... 2 Figure 3 Status menu large display graphical view 4 Figure 4 Liebert iCOM default screen symbols 4 Figure 5 Menu tree Small display stand alone or networked 5 Figure 6 Entering a password 7 Figure 7 Menu tree Large display stand alone 7 Figure 8 Menu tree Large display networked 8 Figure 9 User menu icons 9 Figure 10 Service menu icons 10 Figure 11 Start stop priority switches 12 Figure 12 Temp...

Страница 5: ...ters screen Page 3 63 Figure 46 Setpoints parameters screen Page 4 64 Figure 47 Setpoints parameters screen Page 5 65 Figure 48 Setpoints parameters screen Page 6 66 Figure 49 Standby settings lead lag parameters screen 67 Figure 50 Wellness basic settings screen Page 1 68 Figure 51 Wellness motor settings parameters screen Page 2 69 Figure 52 Wellness compressor 1 settings parameters screen Page ...

Страница 6: ...setup parametersUnit Page 2 89 Figure 82 Options setup parameters Page 1 90 Figure 83 Options setup parameters Page 2 91 Figure 84 Options setup parameters Page 3 92 TABLES Table 1 Keyboard icons and functions 3 Table 2 User menu icons 9 Table 3 Service menu icons 10 Table 4 Reheat configuration types 25 Table 5 Parameters for infrared humidifier control 28 Table 6 Dehumidification With Comp setti...

Страница 7: ...rix screen that simultaneously shows two menu icons along with descriptive text This display is capable of controlling only the unit it is directly connected to The Liebert iCOM with large display has a 320 x 240 dot matrix screen that shows up to 16 menu icons at a time as well as descriptive text This display can be used to control a single cool ing unit or any cooling unit on a network regardle...

Страница 8: ...mponents NOTE The Help key may be pressed at any time for a brief explanation of what is being viewed ESC Liquid Crystal Display Keypad Large Liebert iCOM Display shown Keypad and LEDs are identical on all displays LED Status Indicators top LED is red or flashing red bottom LED is green or amber ESC On Off Key Escape Key Down Arrow Key Up Arrow Key Left Arrow Key Right Arrow Key Enter Key Alarm Ke...

Страница 9: ...s and selects icons or text Increase Key Up Arrow Moves upward in a menu or increases the value of a selected parameter Decrease Key Down Arrow Moves downward in a menu or reduces the value of a selected parameter Left and Right Arrow Keys Navigates through text and sections of the display Upper LED Blinking Red Active unacknowledged alarm exists Solid Red Active acknowledged alarm exists Lower LE...

Страница 10: ...50 50 9 F 100 14 0 12 2011 0 0 0 0 SET Evaporator Fan Speed Temperature Setpoint Humidity Setpoint Humidity Sensor Reading Supply Air Temperature optional Percent Hot Water Heating Percent Electric Heating Percent Dehumidifying Percent Humidifying System or Unit On Off Most Recent Alarms Date Time Unit Description System or Unit view Temperature Sensor Reading Percent Cooling Free Cooling Percenta...

Страница 11: ...rvice and Advanced The User menu contains the most frequently used features settings and status information The Ser vice menu contains settings and features used to set up unit communications and for unit mainte nance The Advanced menu contains settings used to set up the unit at the factory 2 1 2 Accessing Submenus To access the User Service or Advanced menu press the Enter or down arrow key whil...

Страница 12: ...ached to a network will change the unit being viewed Pressing the Esc key will go back a level Figures 7 and 8 show the Liebert iCOM control menus for a stand alone large display and for a networked large display respectively 2 1 3 Entering a Password To change the value of a parameter in a menu you must first enter the password for that menu The User Service and Advanced menus each has a unique p...

Страница 13: ...7 U108 U109 U110 U111 Status Menu System View Status Menu Unit 1 View User Menu Unit 1 Password Setpoints Spare Part List Event Log Graphics View Network Set Alarms Sensor Data Active Alarms Display Setup Total Run Hours Sleep Mode iCOM DO Service Contact Info Service Menu Unit 1 Password Setpoints Unit Diary Standby Settings Lead Lag Maintenance Wellness Settings Diagnostics Service Mode Set Alar...

Страница 14: ...tem view or back one level from any menu in the control press the Esc key Figure 8 Menu tree Large display networked Status Menu System View Networked Large Display Only Status Menu Unit 1 View Status Menu Unit 2 3 4 User Menu Unit Password Setpoints Spare Part List Event Log Graphics View Network Set Alarms Sensor Data Active Alarms Display Setup Total Run Hours Sleep Mode iCOM DO Service Contact...

Страница 15: ...and humidity graphs Small Large View Network Shows status of all connected units Large Set Alarms Allows enable disable and settings for alarms Small Large Sensor Data Shows readings of standard and optional sensors Small Large Active Alarms Allows the user to view all current active alarms Small Large Display Setup Change settings for display language time simple or graphic view Small Large Total...

Страница 16: ...e Unit Diary Shows all entered program changes and maintenance performed on the unit Large Standby Settings Lead Lag Allows lead lag setup when multiple units are connected Small large Maintenance Wellness Settings Allows setting maintenance interval reminder maintenance message number of unit starts and stops and time since last maintenance Small large Diagnostics Service Mode Allows troubleshoot...

Страница 17: ...n for multiple units Large Options Setup Allows setup of component operation Small large Service Contact Info Contains key contact information for local service including names and phone numbers Small large iCOM DO Change settings for Liebert iCOM Discrete Output card Small Large Table 3 Service menu icons continued Icon Name Description Available On Display NETWORK DO ...

Страница 18: ...S Display Off When a unit is turned off from the System Screen of a large display Display OFF is shown for unit status Local OFF When a unit is turned off from the Unit Status Screen or small display Local OFF is shown for unit status Pressing the On Off key on a small display will control only the cooling unit it is connected to regard less of whether the cooling unit is a stand alone unit or par...

Страница 19: ...ion optional and a differential pressure switch The motor protection monitors for main fan overload Main Fan Overload alarm and the differential pressure switch ensures that the blower s are moving air Loss of Airflow alarm If either protection device is actuated after an adjustable time delay an audible alarm occurs an alarm relay ativates and an event is recorded in the event log Main Fan Overlo...

Страница 20: ...ely make sure that the sensor is mounted with the connected unit s area of influence Additional fan speed configuration parameters include a fan speed filter and fan speed reposition delay timer These parameters allow the fine tuning of the fan speed control and can be applied to any control mode except Manual The fan speed filter allows the fan to react differently depending on the location of th...

Страница 21: ... 1 Pumpdown Fail or Comp 2 Pumpdown Fail will appear and the compressor will be locked out Pump down is always performed loaded for compressors with unloaders unloaders off digital scroll control solenoid valve disabled For digital scroll only when pump down has finished successfully LPS opened pump down will be continued for another half second with the control solenoid valve energized High Press...

Страница 22: ...th compressors are off the one with fewer working hours is the next to start If both compressors are in operation the one that has been operating longer since the last start is the next to be stopped 3 1 5 Motorized Ball Valve in Digital Scroll Units On water glycol cooled digital scroll units discharge pressure is controlled by a motorized ball valve MBV During unloaded operation pressure changes...

Страница 23: ...ompressor has stopped the MBV control will continue to change the MBV position to main tain system pressures for a maximum time of 10 minutes by following the auto BV control algorythm When the 10 minute delay has expired or the discharge pressure is below its minimum threshold the motorized ball valve will close until the next compressor activation 3 1 7 Service Offset Changing System Pressure Se...

Страница 24: ...nd of the proportional band either 100 or 100 full cooling or full heating capacity is provided No operation is performed when a 0 call is calculated or the temperature is within the deadband The control varies the call for cooling and heating in 1 increments as the air temperature moves through the proportional band halves The deadband range is used to widen the setpoint When the air temperature ...

Страница 25: ...d stopped at 0 The second compressor Cool 2 starts at 100 and stops at 50 see Figure 14 One Compressor With an Unloader Two Step The two step compressor is started unloaded at 50 Cool 1 calculated output from the temperature proportional band and stopped at 0 At 100 the compressor starts fully loaded Cool 2 and returns to unload operation at 50 see Figure 14 Figure 14 Two single step compressors w...

Страница 26: ...an environment more precisely Digital scroll capacity modulation is achieved by energizing and de energizing a solenoid valve on the compressor When the solenoid valve is de energized the compressor capacity is 100 When the sole noid valve is energized the compressor capacity is zero Therefore the capacity of the compressor depends on how long the solenoid is de energized for If the solenoid is de...

Страница 27: ... started the solenoid is energized longer than it is de energized to match the call for cooling When the call for cooling increases to 100 the solenoid is de energized for the entire 15 second cycle Figure 17 Single and dual digital scroll compressor activation points Temp Setpoint 70 F Proportional Band 8 F Deadband 2 F Dead band Increasing Temperature Comp 1 Off Proportional Band 75 74 73 72 71 ...

Страница 28: ... pre wired feedback signal provided from the factory Enabling the feedback signal will eliminate the need to drive the valve closed after a loss of power or Unit Off command decreasing the unit s restart time Authorized Emerson personnel should use the following steps to enable the feedback signal 1 The feedback on the control valve uses Analog Input 1 2 Nothing can be connected to Analog Input 1 ...

Страница 29: ...l input is being used to determine when the second cool ing source is to be activated The external control communicates to the Liebert unit via contact clo sure Closed cooling enabled Open cooling disabled The Value setting is the factory default setting 8 F 4 4 C on free cooling and dual cooling units If the temperature difference between the second source cooling fluid parameter Free cooling Flu...

Страница 30: ...four step system If full GLYCOOL capacity is not available then the GLY COOL valve will be opened proportionally over a cooling requirement band equal to the available GLYCOOL capacity The compressors would be activated when the GLYCOOL capacity is exceeded For example if the GLYCOOL capacity is 60 then the GLYCOOL valve would be full open at 60 cooling requirement and the compressors would activa...

Страница 31: ... or Standard mode By default cooling units with SCR reheat are factory set to operate in Tight mode The mode of operation can be set by adjusting the SCR Control Type parameter Service Menu Set points Tight Mode In Tight mode the compressors and reheats are operated at the same time to provide maximum tem perature control The temperature deadband is set to zero at the factory In a cooling unit wit...

Страница 32: ...e menu under Setpoints Figure 22 illustrates how a cooling unit with two single step compressors and SCR reheat operates when the SCR Control Type is set to Tight mode Figure 22 Two single step compressors with SCR reheat set to Tight mode Standard Mode In Standard mode the SCR reheat operates only when the Temperature Proportional Band calls for heating SCR reheat output is adjusted proportionall...

Страница 33: ...If the return air humidity increases the control calls for 0 none to 100 full dehumid ifying capacity based on how far the humidity penetrates the dehumidification portion of the propor tional band If the return air humidity decreases the control calls for 0 none to 100 full humidifying capacity based on how far the humidity penetrates the humidification portion of the pro portional band NOTE Usin...

Страница 34: ...about 30 seconds for a small pan and 60 seconds for a large pan The valve continues to fill and flush the pan for about 4 1 2 minutes for a small pan or 7 1 2 minutes for a large pan Pan size is selected based on unit specifications and is preset at the factory During humidifier operation with the flush rate set at the default of 150 the valve is opened peri odically to add water to the pan about ...

Страница 35: ... negative values A dehumidification source is deactivated if the return air temperature drops below the Deactivation Temperature as in this example Dehumidification Compressor Quantity Under Factory Settings in the Advanced menu there is an item called Dehumidification With Comp This item will be set to either 1 2 1 or 2 or BOTH This setting determines which compressors are used for dehumidificati...

Страница 36: ...dify ing dehumidifying operations The Control Type parameter is in the Service menu under Setpoints Proportional If Proportional Control is selected the percent cooling heating requirement is deter mined by the difference between the air temperature sensor reading and the temperature setpoint As the air temperature rises above the temperature setpoint the percent cooling required increases pro por...

Страница 37: ... the temperature increases the humidity setpoint is decreased and vice versa The recalculated humidity setpoint is shown as the Actual Humidity Setpoint User Menu Sensor Data As the humidity setpoint is auto matically adjusted the high and low humidity setpoints User Menu Set Alarms are adjusted accordingly The unadjusted humidity sensor reading is displayed on the Status menu Predictive The actua...

Страница 38: ...tion 32 Figure 25 Placing temperature and temperature humidity sensors Temperature Sensor 5 to 15feet 1 5 to 4 5m Internal Temperature and Humidity Sensor Return Air Supply Air Liebert Precision Cooling Unit ...

Страница 39: ... the output to the actuator from the smaller deviation Cooling Only When Cooling Only is selected the cooling capacity of the system valve or com pressor is modulated based on the supply temperature but allows the fan speed to be controlled by a different sensor Disable Setting the supply sensor to Disable will allow the supply sensor to be monitored but will not affect the control output of the u...

Страница 40: ...will be generated and entered into the event log An alarm does not necessarily switch off the whole cooling unit it depends on which alarm occurs If a standby unit is set any alarm will stop the faulty unit and ask the standby unit to start Standby activation is achieved on alarms ONLY messages or warnings will not start the standby unit For more on standby units see 4 0 Teamwork Time Delay Delays...

Страница 41: ...ernal Calc no ALM COMP 2 LOW PRESSURE Internal Calc no ALM COMP 1 PUMPDOWN FAIL Internal Calc no ALM COMP 2 PUMPDOWN FAIL Internal Calc no ALM DIG SCROLL1 HIGH TEMP Internal Calc no ALM DIG SCROLL2 HIGH TEMP Internal Calc no ALM EL HEAT HIGH TEMP 5 Sec 0 sec 0 9999 WRN WORKING HRS EXCEEDED 0 Sec 0 sec 0 9999 Fixed to WRN SMOKE DETECTED 2 Sec 2 sec 0 9999 ALM WATER UNDER FLOOR 2 Sec 2 sec 0 9999 AL...

Страница 42: ... the customer inputs are shown in Table 8 along with their associated reaction A terminal strip is provided in the cooling unit to connect your contact closure to You have the ability to set the control to react on an open or closed contact NOTE The event messages will automatically reset if the temperature humidity stays 1 8 F 1 C 2 RH below or above the threshold for one minute NOTE To enabled d...

Страница 43: ...he unit is providing any humidification 04 Dehumidifying Status The output is set as soon as the unit is providing any dehumidification 05 High Temperature The output is set as long as the high temperature alarm is active 06 High Humidity The output is set as long as the high humidity alarm is active 07 Low Temperature The output is set as long as the low temperature alarm is active 08 Low Humidit...

Страница 44: ... the service engineer evaluate the unit s operation since the last maintenance Table 10 Event notifications large or small display Event Type COMP 1 HRS EXCEEDED WRN COMP 2 HRS EXCEEDED WRN EL HEAT1 HRS EXCEEDED WRN EL HEAT2 HRS EXCEEDED WRN EL HEAT3 HRS EXCEEDED WRN FC HRS EXCEEDED WRN GENERAL ALARM ALM GLYCOL TEMP SENSOR WRN HIGH CW TEMP WRN HUM HRS EXCEEDED WRN HUMIDIFIER PROBLEM HW HG HRS EXCE...

Страница 45: ...as been started Liebert iCOM relates that data to the optimum maximum starts per hour Accordingly Liebert iCOM will increase or decrease the time before the next service call will be needed The more frequently a component starts the sooner it is likely to need maintenance If for example a unit s fan runs continuously but it s compressor starts and stops often Liebert iCOM records that and calls fo...

Страница 46: ...maintenance Compressor 1 2 Settings and Diagnostics Number of starts and Working hours are individually counted since the last maintenance Total working hours can be read in the standard working hours window customer window Average Working Hours is the calculation resulting from starts and working hours Starts per Day Optimum is the number of starts considered as optimum Starts per Day Worst is th...

Страница 47: ...un in the same teamwork mode 4 1 1 Application of Teamwork Modes No Teamwork Multiple zones in one room Teamwork Mode 1 Balanced load small groups of units inside the same environment Teamwork Mode 2 Unbalanced load large rooms not all units will have the same load work well for most applications All units in a network will run in the same Teamwork Mode 4 1 2 No Teamwork All cooling units work ind...

Страница 48: ... handles 51 100 For every 1 system call for cooling each unit provides 2 of its total cooling capacity The 60 system call for cooling exceeds the 50 Unit 1 can provide so Unit 1 operates at full capac ity The remaining 10 system call for cooling 60 50 10 is handled by Unit 2 Unit 2 responds by operating at 20 cooling capacity 50 10 20 Figure 26 Teamwork Mode 1 with two cooling units NOTE 1 Proport...

Страница 49: ...le the unit with a non critical alarm that permits unit operation will be switched on again water detection fan alarm fire alarm etc will not permit unit restarting The standby function can be rotated daily setting the time weekly setting the day of the week and time or monthly setting the first weekday of the month and time The rotation is performed with a selectable number of units if 1 is selec...

Страница 50: ...installation of cooling units with Liebert iCOM controls heat load in the conditioned space cooling air distribution number of operating units versus number of standby cooling units location of the network switch An Ethernet cable cannot exceed 328 feet 100m 5 1 1 Balancing Operating and Standby Units Assign identification to the units in a manner that balances the operating units and standby unit...

Страница 51: ...ent electromagnetic inter ference Do not bend cables to less than four times the diameter of the cable Do not deform cables when securing in bundles or when hanging them Keep cables away from devices that can introduce noise into them such as machines fluorescent lights and electronics Avoid stretching Ethernet cables tension when pulling cables should not exceed 25 pounds 11kg Do not secure Ether...

Страница 52: ...n be configured Network communication can be configured during system startup by a Liebert trained technician For technical issues contact Liebert Technical Service 1050 Dearborn Drive Columbus Ohio 43235 Telephone 1 800 LIEBSRV 1 800 543 2778 E Mail technicalservice emersonnetworkpower com 5 3 1 Wiring a Liebert iCOM U2U Network Small Displays Two cooling units each with a small display To networ...

Страница 53: ...display see Figure 32 Figure 29 U2U network setup diagram NOTE Only cooling units with large displays are supplied with a female female coupler inside the unit from the factory Network Switch Liebert Cooling Unit with Small Liebert iCOM Display Liebert Cooling Unit with Small Liebert iCOM Display Liebert Cooling Unit with Large Liebert iCOM Display Display Service Network Liebert iCom Display Menu...

Страница 54: ... monitoring capabilities to any cooling unit connected to the network Combining Large and Small Displays on a U2U Network Setting up a network of cooling units equipped with large and small displays requires a network switch The controls are to be connected to the switch as described above Figure 30 Wiring a small display for stand alone operation 182964 Page 1 Rev 0 Small Graphics Display On Unit...

Страница 55: ...ll display for U2U network operation Standard Small Graphics Display Rear View Liebert iCOM I O Board Straight Through Ethernet Cable To From Other Networked Units CAN Cable U2U Networking Switch Field Supplied Not Used Cable C P64A Connection Located Near I O Board 194273 ...

Страница 56: ...ecial crossover cables The switch detects and makes adjustments for the network s speed and transmission mode polarity and trans mit and receive pins See the Liebert vNSA user manual SL 18840 for more details The number of ports available for connecting Liebert iCOM control devices varies by model as shown in Table 12 Models with a remote large display attached to the front door utilize one of the...

Страница 57: ...ert vNSA With Remote Large Display Total Number of Ports Number of Ports Used to Connect Remote Large Display Number of Ports Used to Interconnect Switches Number of Ports Available to Connect Liebert iCOM Control Devices Liebert vNSA8 Liebert iCOM Yes 8 1 7 Liebert vNSA16 Liebert iCOM 16 1 2 13 Liebert vNSA8 No 8 8 Liebert vNSA16 16 2 14 3 298 84mm 12 305mm 14 25 362mm DPN001136 Rev 0 ...

Страница 58: ...ncluding Modbus HTTP Web and SNMP See the Liebert Web site for the latest supported protocols Modbus refer ence information and SNMP MIBs An alternative limited method of communicating with an existing Liebert SiteScan Web monitoring system is via twisted pair cables connected to terminals 77 and 78 on the cooling unit terminal strip To use this method the Liebert IntelliSlot power supply connecti...

Страница 59: ...ithout considering any temperature deviations Predictive and Absolute control consider the temperature deviation from temperature setpoint so that a constant level of moisture is kept in the area based on the humidity sensor reading and the temperature deviation from setpoint Supply Limit This parameter allows a user to enable or disable the discharge air temperature sen sor This sensor is an opti...

Страница 60: ...urn sensor alarm is enabled When enabled the low temperature alarm allows a user to adjust the point at which the actual return temperature activates a Low Temperature Alarm High Return Humidity This parameter is visible when the return sensor alarm is enabled When enabled the high humidity alarm allows a user to adjust the point at which the actual return humid ity activates a High Humidity Alarm...

Страница 61: ... Alarm High Humidity Sensor A This parameter is visible when the sensor A alarm is enabled When enabled the high humidity alarm allows a user to adjust the point at which the actual sensor A humidity activates a High Humidity Alarm Low Humidity Sensor A This parameter is visible when the sensor A alarm is enabled When enabled the low humidity alarm allows a user to adjust the point at which the ac...

Страница 62: ...C2 When a optional reference sensor is connected to the Liebert iCOM controller area network CAN bus the sensor C humidity value will be shown A reference sensor can be con nected to any type of Liebert iCOM unit Freecooling Fluid Temperature If a unit is equipped with a freecooling coil then this parameter displays the temperature of the incoming water Outdoor Temperature This parameter reads the...

Страница 63: ... high humidity is the highest recorded humidity from 12 00am to 11 59pm Daily Low Humidity The daily low humidity is the lowest recorded humidity in the last 24 hour period Active Alarms Active Alarms Permits viewing all current active alarms SENSOR DATA page 2 of 2 to select parameter Daily High Temperature Daily Low Temperature Daily High Humidity Daily Low Humidity 73 F 66 F 48 5 48 3 UNIT 01 U...

Страница 64: ...zzer When adjusting the buzzer frequency the buzzer will sound allowing you to select a frequency that is easily detected when an alarm occurs Backlite Off After X Hours This parameter controls the length of time that the backlite remains active when the display is unused When the buttons on the front display have not been pressed for the time selected in this parameter the backlite will turn off ...

Страница 65: ...c Heater 3 Humidifier Dehumidification Limit 0 0 0 0 0 0 0 0 0 0 SYSTEM U501 U502 U503 U504 U505 U506 U507 U508 U509 U510 U511 Actual Hours 28 9 9 0 0 1 0 0 0 1 SLEEP MODE to change parameter to confirm to select parameter for next previous unit then PASSWORD Actual Level 0 Sleep On Sleep Every day 1 From Sleep Every day 2 From Timer Mode Timer Mode Type Dead Band MON TUE WED THU FRI SAT SUN No No...

Страница 66: ...tly As a result the Service menu parameter tables shown in this manual may be slightly different than what is shown on your cooling unit s display Please check www liebert com for the latest Liebert iCOM User manual updates Figure 42 Service Menu Main Screen C F RH SET SERVICE MENUS to select parameter UNIT 01 to change level to open requested menu ESC to unselect to navigate WELLNESS SET ALARMS D...

Страница 67: ...hooting of the setpoint and cycling between the reheats and cooling The value entered into this field will be split in half by the temperature setpoint Example If the temperature setpoint is 70 F 21 1 C and a 4 F 2 2 C dead band is set then no cooling will be activated until 72 F 22 2 C and no heating will be activated until 68 F 20 C is reached Second Setpoint This parameter will select a tempera...

Страница 68: ...umidity control can be maintained This parameter is only active when Control Type is set to PI Humidity Deadband This parameter can be set to avoid overshooting of the setpoint and cycling between humidification and dehumidification The value entered into this field will be split in half by the temperature setpoint Example If the humidity setpoint is 50 and a 4 deadband is set then no humidity con...

Страница 69: ...ue entered into this field will be split in half by the tempera ture setpoint Example If the temperature setpoint is 60 F 15 5 C and a 4 F 2 2 C deadband is set then no cooling will be activated until 62 F 16 6 C and no heating will be activated until 58 F 14 4 C is reached Valve Pulse This parameter defines the minimum change in the cooling requirement before the valve will reposition A greater n...

Страница 70: ...r temperature at which 100 freecooling can be provided to handle the full room load When the fluid temperature is below this setting then the compressors will no longer turn on until the water temperature is above the minimum CW Temp Lockout FC at FC Fluid below This parameter is the temperature that turns off the freecooling circuit when the water temperature is too low This setting prevents fros...

Страница 71: ...he p band at 100 it s typically set higher faster The value is given in control output change per second Fanspeed Reposition Delay This parameter sets the reposition delay that is applied only for changes to decrease fanspeed increases in fanspeed are controlled only by the fanspeed change speed filter After fanspeed is increased the timer will prevent the speed from being reduced for the delay du...

Страница 72: ...y when the stop compressor setpoint is met Cycle time This parameter is set from factory and should only be changed by an authorized Liebert representative SCR Factor This parameter is set from factory and should only be changed by an authorized Lie bert representative Unit Diary Large Display Only Shows all entered program changes and maintenance performed on the unit Table 13 Unit diary paramete...

Страница 73: ... 4 6 will be placed into standby and 1 3 5 will become operational Cascade Units This parameter when set allows units to activate from Standby mode if the room temperature is unable to be maintained by the non standby units If yes is selected then the cascade units can perform all functions when activated from standby This parameter can also be set for Cool ing Only or Cool Heat only Start all Sta...

Страница 74: ...ineer This parameter provides a label for the service representative to list either the company name or representative s name Confirm PM This parameter confirms that the service representative has completed the preventive maintenance and resets the next maintenance date Calculated Next Maintenance This parameter provides a date to when the next expected mainte nance should take place based on the ...

Страница 75: ...ts per Day Best 1 Starts per Day Worst 24 Number of Alarms 0 Actual Bonus 0 S012 S013 S014 S015 S016 S017 S018 S019 S020 S021 S022 UNIT 1 WELLNESS compressor1 settings page 3 of 8 to change parameter to confirm to select parameter for next previous unit then PASSWORD Actual Level 0 Number of Starts 3 Run Hours 7hrs Average Run Time 140min Starts per Day Best 12 Starts per Day Worst 240 Number of H...

Страница 76: ...tarts per Day Best 12 Starts per Day Worst 240 Number of HP Alarms 0 Number of LP Alarms 0 Number of OL Alarms 0 Number of DS HT Alarms 0 Actual Bonus 0 S034 S035 S036 S037 S038 S039 S040 S041 S042 S043 S044 UNIT 1 WELLNESS el heater 1 settings page 5 of 8 to change parameter to confirm to select parameter for next previous unit then PASSWORD Actual Level 0 Number of Starts 0 Run Hours 0hrs Averag...

Страница 77: ...1 Run Hours 0hrs Average Run Time 0min Starts per Day Best 24 Starts per Day Worst 240 Number of HP Alarms 0 Actual Bonus 0 S056 S057 S058 S059 S060 S061 S062 S063 S064 S065 S066 UNIT 1 WELLNESS el heater 3 settings page 7 of 8 to change parameter to confirm to select parameter for next previous unit then PASSWORD Actual Level 0 Number of Starts 1 Run Hours 0hrs Average Run Time 0min Starts per Da...

Страница 78: ...ngs page 8 of 8 to change parameter to confirm to select parameter for next previous unit then PASSWORD Actual Level 0 Number of Starts 1 Run Hours 0hrs Average Run Time 0min Starts per Day Best 24 Starts per Day Worst 240 Number of Alarms 0 Actual Bonus 0 S078 S079 S080 S081 S082 S083 S084 S085 S086 S087 S088 UNIT 1 ...

Страница 79: ...ing and Service manual s low pressure transducer flow chart Actual LP1 Pressure Current refrigerant low pressure side reading in atmosphere for Compressor 1 Actual LP2 Pressure Current refrigerant low pressure side reading in atmosphere for Compressor 2 Actual HP1 Pressure Current refrigerant high pressure side liquid reading in atmosphere for Compressor 1 This is available only on water cooled un...

Страница 80: ... is 0 100 Compressor 1 LLSV This option will control the liquid line solenoid valve for compressor 1 Compressor 2 Use this setting to turn on compressor 2 and select the mode of compressor opera tion The operation selections are RUN EVACUATE and CHARGE Compressor 2 Capacity Use this setting to enable Compressor 2 Cycle Ramp Compressor 2 Cycle Ramp This setting allow the user to select the capacity...

Страница 81: ...ve which fills the humidifier pan or canister with water Humidifier This activates the humidifier system in its entirety Humidifier Drain This activates just the humidifier drain solenoid in the case of the steam gener ating humidifier allowing water to drain from the canister Humidifier Current In the case of the steam generating humidifier option this setting show the amount of AC amperes the sy...

Страница 82: ...e adding or removing cooling capacity from the water cooled paradenser if the unit is so equipped MBV1 Position This allows the user to specify the percentage valve 1 should be open Range is 0 to 100 MBV2 Position This allows the user to specify the percentage valve 2 should be open Range is 0 to 100 Analog Out 1 2 3 4 This setting allows the user to specify the analog output percentage subse quen...

Страница 83: ...s the status of the unit s reheat safety switch Loss of Airflow at HPM only On units with optional analog airflow sensor this parameter sets the percent of unit airflow to activate the Loss of Airflow event Actual Airflow HPM only On units with optional analog airflow sensor this parameter displays the percent of unit airflow from 0 100 DIAGNOSTICS SERVICE MODE page 5 of 7 to change parameter to c...

Страница 84: ... the high water level indicator on an infrared humidifier Status DT1 Outdoor Glycol This indicates if the delta T between outdoor air ambient tempera ture and glycol fluid temperature has been met Status DT2 Glycol Room This indicates if the delta T between glycol and room return air tem perature has been met DIAGNOSTICS SERVICE MODE page 6 of 7 to change parameter to confirm to select parameter f...

Страница 85: ...l occur High Return Humidity This parameter sets the threshold humidity when a return high humidity alarm will occur Low Return Humidity This parameter sets the threshold humidity when a return low humidity alarm will occur Sensor A Alarms If the unit is equipped with the optional temperature humidity sensor this parameter will enable or disable the alarms associated with sensor A High Temperature...

Страница 86: ...arm condition occurs SET ALARMS page 2 of 7 to change parameter to confirm to select parameter for next previous unit then PASSWORD Actual Level 0 Customer Input 1 Water Alarm Customer Input 1 active when Closed Customer Input 2 Water Alarm Customer Input 2 active when Closed Customer Input 3 C PMP Alarm Customer Input 3 active when Closed Customer Input 4 Water Alarm Customer Input 4 active when ...

Страница 87: ... 4 of 7 PASSWORD Actual Level 0 DELAY EN DIS TYPE COMP 1 OVERLOAD ENABLE ALM COMP 2 OVERLOAD ENABLE ALM COMP 1 HIGH PRESSURE ENABLE ALM COMP 2 HIGH PRESSURE ENABLE ALM COMP 1 LOW PRESSURE ENABLE ALM COMP 2 LOW PRESSURE ENABLE ALM COMP 1 PUMPDOWN FAIL ENABLE ALM COMP 2 PUMPDOWN FAIL ENABLE ALM DIGI SCROLL1 HIGH TEMP ENABLE ALM DIGI SCROLL2 HIGH TEMP ENABLE ALM EL HEAT HIGH TEMP 5 ENABLE WRN S236 S2...

Страница 88: ... ENABLE ALM LOSS OF AIR BLOWER 1 2 ENABLE ALM REHEAT LOCKOUT 2 ENABLE WRN HUMIDIFIER LOCKOUT 2 ENABLE WRN FC LOCKOUT 2 ENABLE WRN COMPRESSOR LOCKOUT 2 ENABLE WRN S262 S263 S264 S265 S266 S267 S268 S269 S270 S271 S272 S273 S274 UNIT 01 SET ALARMS page 7 of 7 PASSWORD Actual Level 0 DELAY EN DIS TYPE COMP 1 SHORT CYCLE 0 ENABLE WRN COMP 2 SHORT CYCLE 0 ENABLE WRN NO POWER 0 ENABLE WRN CONDENSER 1 FA...

Страница 89: ...ut as the Liebert ENV DO card the predecessor to the Liebert iCOM DO ID This column displays the number of the Liebert iCOM DO Currently only one Liebert iCOM DO card is supported iCOM DO Overview and Override pg 1 of 3 to change parameter to confirm to select parameter for next previous unit then UNIT 01 PASSWORD Actual Level 3 iCOM DO 0 connected Override 0 no S720 S721 S722 S723 S724 S725 S726 ...

Страница 90: ...actual sen sor to compensate for any error or drift of the sensor Calibrated Digital Scroll 1 NTC This parameter shows the adjusted Digital Scroll 1 NTC sensor value This value is the actual sensor reading or the offset Digital Scroll 1 NTC iCOM DO Events Setup pg 3 of 3 to change parameter to confirm to select parameter for next previous unit then UNIT 01 S742 S743 S744 S745 S746 S747 S748 S749 S...

Страница 91: ...sors in the room Calibrated Optional Sensor A B C This parameter shows the adjusted value of the sensor This value is the actual sensor reading or the offset Optional Sensor B C Type This parameter currently only supports the TH Temperature Humidity sensor type SENSOR CALIBRATION SETUP page 2 of 3 to change parameter to confirm to select parameter for next previous unit then PASSWORD Actual Level ...

Страница 92: ...ystem Page 1 Number of Connected Units This parameter sets the number of units that will be viewable from the large display and will participate on the unit to unit network Teamwork Mode This parameter selects which teamwork mode to use within a selected group Teamwork modes are described in section 4 0 of this manual SENSOR CALIBRATION SETUP page 3 of 3 to change parameter to confirm to select pa...

Страница 93: ... the network address of the display This address must be unique to every other device on the network Netmask Not currently used Gateway Not currently used MAC The MAC address is a unique hardware identifier of the Ethernet device U2U Protocol This parameter is always set to GBP U2U Address This parameter is a unique identifier for each unit on the network Display addresses range from 33 to 64 Each...

Страница 94: ...that have been modified from the factory defaults to an internal file that can be downloaded uploaded using the Liebert iCOM Service Tool Selecting Save will write the settings to the internal storage file and selecting Load will write the settings from the internal storage file to the application soft ware The internal file is updated every 12 hours automatically Network Safe This parameter saves...

Страница 95: ...resses range from 33 to 64 Each display on the U2U network must have a different U2U address U2U Group This parameter is used to create zones or groups within a U2U network Once a group number is selected the display will only see other devices with the same group number The group number can be changed to view other devices in different groups Bootloader Variables This parameter indicates if there...

Страница 96: ...if a liquid detection device is connected to the Lie bert iCOM control Valve Control This parameter selects between two different methods to keep track of valve posi tion when a stem 3P valve is installed in the unit This setting does not affect motorized ball valves If Time is selected then the valve position is tracked by an internal timer in the control to determine the position or opening of t...

Страница 97: ...alve will be used to dehumidify when the humidity is above setpoint Auto Restart Enabled This parameter when set to Yes restarts the unit after a power cycle When this parameter is set to No then the unit will not restart Turn On after a power cycle Single Unit Auto Restart This parameter sets a time delay for the unit to restart when the Auto Restart Enabled is set to Yes The delay begins once th...

Страница 98: ...motorized ball valves this parameter allows the valves to be set to operate in parallel alternate or cascade Parallel is the default selection and oper ates the valves at the same opening based on the call for cooling Main Valve If CW Valve Control is set for Alternate or Cascade then this parameter selects which valve is the lead valve Auto Valve Rotation If CW Valve Control is set for Alternate ...

Страница 99: ...D Country Country None Austria Switzerland D Switzerland F Benelux D Benelux FL Germany France UK Hungary Italy Poland Spain United States Australia New Zealand Indonesia Malaysia Singapore Address line 1 Address line 1 text string Address line 2 Address line 2 text string Address line 3 Address line 3 text string Address line 4 Address line 4 text string ...

Страница 100: ... referred to are trademarks or registered trademarks of their respective owners Technical Support Service Web Site www liebert com Monitoring liebert monitoring emerson com 800 222 5877 Outside North America 800 1155 4499 Single Phase Three Phase UPS liebert upstech emerson com 800 222 5877 Outside North America 800 1155 4499 Environmental Systems 800 543 2778 Outside the United States 614 888 024...

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