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Alarm Descriptions and Solutions

6.0

LARM

ESCRIPTIONS

AND

OLUTIONS

6.1

Alarm Descriptions

CALL SERVICE

—Activated when Customer Input 1 is configured for “Call Service” and 24VAC is

applied to the input. This alarm is reset when the 24VAC is removed.

CONDENSATION DETECTED (optional)

—Activated when water is detected at a cooling module.

A 24VAC signal is applied to the condensation input on the control board using a pair of twisted wires

or the alarm is sent via CANbus communication. When this alarm is active, the control will raise its

refrigerant control point by 4°F (2.2°C). This alarm will reset when the alarms is acknowledged and

the signal stops being sent from CANbus or condensation input. The alarm can also be reset by

cycling the power. The main power must be cycled to remove the 4°F (2.2°C) offset.

CONTROL VALVE FAILURE

—Activated when the chilled water control valve has been

commanded to open or close by the control and no change is detected by the valve position signal. The

alarm is reset when the main power is cycled.

CUSTOMER INPUT 1

—Activated when a 24VAC signal is applied to the customer alarm input on

the control board. This alarm will reset when the 24VAC signal stops being sent from the customer

alarm input. WATER UNDER FLOOR, SMOKE DETECTED, CALL SERVICE, and COMP LOCK

PD are possible designations for this alarm; they are set with the Unit Code.

FAN FAILURE (optional)

—Activated when a 24VAC signal is applied to the fan failure input on

the control board using a twisted pair of wires or the alarm is sent via CANbus communication. This

alarm will reset when the alarms is acknowledged and the signal stops being sent from CANbus or

fan failure input. The alarm can also be reset by cycling the power.

HIGH CW TEMP

—Activated when the Supply CW sensor reads the chilled water temperature

above the user-specified alarm setpoint. This alarm will reset when the reading from the refrigerant

temperature sensor drops 5°F (2.8°C) below the user-specified setpoint and the alarm has been

acknowledged.

HIGH DEW POINT

—Activates when the calculated dew point at either Sensor A or B exceeds the

user-specified alarm setpoint. The alarm will reset when the calculated room dew point from both

Sensor A and Sensor B is 2°F (1.1°C) below the setpoint and the alarm has been acknowledged.

HIGH REFRIGERANT TEMP

—Activated when the refrigerant temperature sensor reads the

refrigerant temperature above the user-specified alarm setpoint. This alarm will reset when the

reading from the refrigerant temperature sensor drops 2°F (1.1°C) below the user-specified setpoint

and the alarm has been acknowledged.

HIGH TEMP SENSOR A

—Activated when the reading from Sensor A is above the user-specified

alarm setpoint. The alarm will reset when the reading from Sensor A drops 2°F (1.1°C) below the

setpoint and the alarm has been acknowledged.

HIGH TEMP SENSOR B

—Activated when the reading from Sensor A is above the user-specified

alarm setpoint. The alarm will reset when the reading from Sensor A drops 2°F (1.1°C) below the

setpoint and the alarm has been acknowledged.

LOSS OF FLOW PUMP 1

—Activated when Pump 1 is commanded to run and the differential

pressure switch does not sense differential pressure (set at 6 psi; 41kPa; 0.41 bars). After attempting

to start Pump 1 three times, the Liebert XDP will automatically switch to the other pump to establish

flow. This alarm will reset when flow has been established on Pump 1 and the alarm has been

acknowledged.

LOSS OF FLOW PUMP 2

—Activated when Pump 2 is commanded to run and the differential

pressure switch does not sense differential pressure (set at 6 psi; 41kPa; 0.41 bars). After attempting

to start Pump 2 three times, the Liebert XDP will automatically switch to the other pump to establish

flow. This alarm will reset when flow has been established on Pump 2 and the alarm has been

acknowledged.

NOTE

Alarms

must be acknowledged

before they can be reset. To acknowledge or silence an alarm,

press the ALARM key one time. This will silence the alarm; the red LED will remain

illuminated until the alarm is reset.

Содержание Liebert XDP

Страница 1: ...Precision Cooling For Business Critical Continuity Liebert XDP with Liebert iCOM Control User Manual 50 60 Hz 160kW Nominal Capacity ...

Страница 2: ......

Страница 3: ... Low Voltage ELV Connections 13 2 2 3 DIP Switch and Jumper Settings for Remote Sensors 15 2 3 Field Connections Optional for All Units 16 2 4 Remote Sensor Installation Proper Placement 17 3 0 PIPING 18 3 1 European Union Fluorinated Greenhouse Gas Requirements 18 3 2 Connection Sizes 18 3 2 1 Recommended Pipe Size 18 3 3 Liebert XDP Interconnection with Liebert XD Cooling Modules 19 3 4 Piping I...

Страница 4: ...Screens 34 4 9 Liebert iCOM Service Menu Icons and Legend 41 4 10 Liebert iCOM Service Menu Screens 42 5 0 START THE LIEBERT XDP WITH LIEBERT ICOM 64 5 1 Checklist for Liebert XDP Startup 64 5 2 Starting the Liebert XDP with Liebert iCOM Controller 65 6 0 ALARM DESCRIPTIONS AND SOLUTIONS 66 6 1 Alarm Descriptions 66 6 2 Warning Descriptions 68 6 3 System Shutdown Causes 68 7 0 TROUBLESHOOTING 69 8...

Страница 5: ...Bypass flow controller piping 21 Figure 23 General piping details 22 Figure 24 Liebert iCOM display components 26 Figure 25 Liebert iCOM default home screen 28 Figure 26 Cooling module overview first 10 modules 29 Figure 27 Entering the password 30 Figure 28 Display setup screen 31 Figure 29 Liebert iCOM User Menu icons 32 Figure 30 Liebert XDP User Menu screen 33 Figure 31 Setpoints screen 34 Fig...

Страница 6: ... 1 of 20 62 Figure 70 Module Setup screen page 1 of 20 63 Figure 71 System R 134a liquid level at 160kW load 65 TABLES Table 1 Number of Liebert XD cooling modules required to achieve at least 48kW 163 800 BTU H load 3 Table 2 Liebert XDP dimensions 9 Table 3 Unit piping outlet connection sizes inches OD Cu 10 Table 4 Supply return pipe sizes for refrigerant loop 18 Table 5 Bypass flow controllers...

Страница 7: ...l the parts are included and check the nameplate to be sure the voltage matches available utility power The Liebert iCOM microprocessor does not isolate power from the unit even in the Unit Off mode Some internal components require and receive power even during the Unit Off mode of Liebert iCOM control The line side of the disconnect switch on the front of the unit contains live high voltage The o...

Страница 8: ...e R Pump Redundancy XD P 160 Pumping unit Revision level Liebert X treme heat Density system 160kW nominal capacity Place holder Example XDP160RA 4 A A 460V 3ph 60Hz voltage phase frequency C 208V 3ph 60Hz M 380 415 3ph 50Hz Place holder ...

Страница 9: ...1 1 2 Minimum Load The Liebert XDP s minimum recommended operating load is 30 of system nominal capacity The Liebert XDP160 is rated for 160kW 546 000BTU H of cooling therefore the system s minimum recommended load is 48kW 163 800BTU H Loading below this value can unfavorably affect system operation Consult the factory for any loading below this recommendation To achieve the minimum recommended lo...

Страница 10: ...E Risk of damage from forklift Can cause unit damage Keep tines of the forklift level and at a height suitable to fit below the skid and or unit to prevent exterior and or underside damage NOTICE Risk of improper storage Can cause unit damage Keep the Liebert XDP upright indoors and protected from dampness freezing temperatures and contact damage NOTICE Risk of overtightening securing straps Can c...

Страница 11: ... of the unit Make sure the tines of the forklift are locked to the widest position Use the center of gravity indicators to determine the entry points for the tines The tines must be equally spaced on either side of the center of gravity indicator 2 Insert the tines of the forklift under the unit Make sure the tines are level The tines must be low enough to fit under the unit without damaging it Ma...

Страница 12: ...bolts and two brackets that secure the unit to the skid 6 Lift the unit off of the skid to an elevation point where the skid is not supporting the weight of the unit 7 Remove the skid from under the unit NOTE Unit is shown without outer packaging These instructions may be applied with the outer packaging in place NOTE If rigging is to be used to move the unit closer to the site for installation pl...

Страница 13: ...bert XDP and the piano jacks and straps 5 Secure the Liebert XDP to the piano jacks 6 Release the the Liebert XDP from the straps securing it to the lifting mechanism and move the mechanism away from the unit Using the piano jacks at least two properly trained and qualified personnel can move the unit Equally Spaced Equally Spaced Center of Gravity Symbols Spreader Bars Lag Bolts Bracket If riggin...

Страница 14: ... Lift one end of the Liebert XDP off one piano jack with a pry bar or similar device taking care not to damage the unit s cabinet 4 Repeat Step 3 to remove the piano jack from under the opposite end of the Liebert XDP 5 Remove all material used to protect the unit from the piano jacks and strapping Using a forklift to put a Liebert XDP on piano jacks Using rigging to put a Liebert XDP on piano jac...

Страница 15: ...t XD System SL 16655 The document is available in electronic format at Liebert s Web site www liebert com as well as from your local Emerson representative Figure 7 Dimensions Table 2 Liebert XDP dimensions Model 50 60Hz Dimensional Data inches mm Shipping Weight lb kg A B C D E H Domestic Export XDP160 38 965 34 864 33 1 8 841 33 838 36 914 78 1981 1020 462 1083 491 The dimension does not include...

Страница 16: ... within the unit Dimensions are approximate and subject to change without notice 16 1 8 409 6mm 17 1 4 438mm 10 254mm 19 483mm A Return from Liebert XD Cooling Modules B Supply to Liebert XD Cooling Modules D Chilled Water Return To Chilled Water Source C Chilled Water Supply From Chilled Water Source Allow 8 204mm clearance for filter replacement To ensure ensure all refrigerant flow is filtered ...

Страница 17: ...electrical shock short circuit and or control malfunction Can cause equipment damage injury or death Damage to wiring or components can make unit unsafe to operate Use caution when installing wiring to prevent damage to factory wiring Install protective bushings in wiring knockouts as required to protect wiring from sharp edges Do not disturb factory wiring or route field installed wiring over ele...

Страница 18: ...3 see Figures 11 and 12 Observe proper phasing 4 Connect the ground wire to the ground lug see Figures 11 and 12 which is in the middle left of the enclosure Figure 11 High voltage connections 60Hz XDP Input Power Knockout Enclosure Cover Not Shown for Clarity Customer Power Connection Ground Lug Fused Disconnect Fuse Blocks Fuse Block Power Block Pump Contactors Transformer 2 Supplied on 460V Uni...

Страница 19: ...ppropriate knockouts as indicated below Figure 13 Electrical enclosure knockout locations for Extra Low Voltage Busbar Customer Power Connection Pump Circuit Breakers Pump Contactors Ground Lug Disconnect Switch Transformer 1 Power Block Transformer 2 Transformer 6 Fuse Blocks Liebert XD Module Condensate Connections optional depends on features supplied with Liebert XD Module User Interface Wirin...

Страница 20: ...n microprocessor and input output board and P65 on Liebert IntelliSlot power supply non Liebert IntelliSlot based communications Vable B is pre connected to Terminals 77 and 78 but must be exchanged with Cable A at P65 on the microprocessor and input output board 3 Install applicable Liebert IntelliSlot cards 4 Both cables P64 and P66 are required 5 It is not necessary to connect ground coupling o...

Страница 21: ...OFF ON P3 3 2 1 Jumper on 2 3 P3 3 2 1 Jumper on 2 3 302211 Rev 2 302211 Rev 2 Termination Plug Liebert iCOM Microprocessor I O Board Customer Connection Points Crossover Coupler Red Crossover Ethernet Cable Straight Through Ethernet Cables U2U Networking Switch Field Supplied Unit Display Rear View Not Used P64 P66 P64 P66P67 To From Other Networked Units CAN Cable See Note 1 P65 E5 P61 P63 P11 P...

Страница 22: ...al strip descriptions in Figure 17 Figure 17 Liebert XDP extra low voltage field connections points 1 1 2 P67 P64 P66 P67 To Remote T H Sensor A Termination Plug To P66 on Liebert iCOM Control Board To P64 on Liebert iCOM Control Board Red Ethernet Cable To Liebert XD Cooling Module s and Remote T H Sensor B To Optional External Connections UNIT DISPLAY Rear View Factory Wired Temperature Sensor C...

Страница 23: ...ors where ambient air might cause false readings for example near unsealed doors or windows or areas with stagnant air 1 Unpack the two remote temperature humidity sensors and cables One sensor is labeled Sensor A and the other Sensor B The sensor cables are interchangeable each bears labels indicating Sensor End and Unit End 2 Connect the Sensor End of one of the supplied sensor cables to P66 on ...

Страница 24: ...ows and restrictions must be minimized to get good fluid flow Building Chilled Water Supply 2 5 8 OD Building Chilled Water Return 2 5 8 OD Refrigerant Supply 1 1 8 OD Refrigerant Return 2 1 8 OD Table 4 Supply return pipe sizes for refrigerant loop Pipe Function Size Equivalent Pipe Length Liebert XDP supply line from Liebert XDP supply to farthest Liebert XD cooling module 1 1 8 OD for lengths u...

Страница 25: ...high temperature brazed joints Soft soldering is not recommended During brazing the lines must be filled with flowing dry nitrogen to prevent excessive oxidation and scale formation inside the piping Prevailing good refrigeration practices must be employed for piping supports leak testing dehydration and charging Failure to use good system practices may result in damage to the system Refer to the ...

Страница 26: ...piping and simulate the flow of additional cooling modules Each bypass flow controller must be installed with one shutoff valve to allow the controller to be disabled when cooling modules are added to a Liebert XD system Bypass flow controllers should be connected between the main supply and the main return lines of the field piping The connection points to the main supply and return lines should ...

Страница 27: ... Liebert XDP s refrigerant circuit to permit maintenance on the unit see Figure 23 Return Main 7 8 Refrigerant Grade Full Port Ball Valve Field Supplied and Field Installed Supply Main Bypass Flow Controller Field Installed Flow Direction Filter Dryer Assembly Liebert XD Cooling Module 1 Liebert XD Cooling Module 2 Coolant Supply Coolant Return Liebert XDP Bypass Flow Controllers ...

Страница 28: ...ure per local code and connect to vacuum pump s at the Schrader valves 6 After pulling a deep vacuum for four hours check the vacuum level and if it has not changed break the vacuum with dry nitrogen 7 Pull a second vacuum to 250 microns or less Recheck the vacuum level after 2 hours 3 5 2 Insulation Insulate all piping between the Liebert XDP and its connected cooling modules to prevent condensat...

Страница 29: ...ge for a Liebert XDP with any model Liebert XDH Liebert XDO Liebert XDV Liebert XDCF Liebert XDR Refrigerant Charge lb kg Per Liebert XD Unit Excludes Connector Lines to and from Liebert XD Cooling Module 1 41 lb 0 64kg Liebert XDCF 5 32 lb 2 41kg Liebert XDH 3 55 lb 1 61kg Liebert XDO 157 lb 71 2kg Liebert XDP 4 lb 1 8kg Liebert XDR 2 32 lb 1 05kg Liebert XDV Table 7 System refrigerant charge for...

Страница 30: ...iebert XDO Liebert XDV Liebert XDCF supply Liebert XDR Return Line Diameter 5 8 0 01 lb 0 01 4 ft Flex Pipe existing Liebert XDV systems 0 02 lb 0 01 6 ft Flex Pipe existing Liebert XDV systems 0 03 lb 0 01 8 ft Flex Pipe existing Liebert XDV systems 0 03 lb 0 01 10 ft Flex Pipe existing Liebert XDV systems Return Line Diameter 1 0 13 lb 0 06 4 ft Flex Pipe Liebert XDH Liebert XDO Liebert XDV Lieb...

Страница 31: ...h voltage connections ___ 4 Wire low voltage connections ___ 5 Connect the building chilled water piping to the Liebert XDP 44Connect the Liebert XD cooling module piping to the Liebert XDP with slope ___ 6 Check the system for leaks ___ 7 Hold a vacuum on the system ___ 8 Charge the system with refrigerant ___ 9 Make sure that all piping has proper insulation ...

Страница 32: ...r layout is shown in Figure 24 the keyboard functions are defined in Table 12 Figure 24 Liebert iCOM display components Liquid Crystal Display screen Keypad 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 Key Help Key LEDs see Table 12 for meanings ...

Страница 33: ...n alarm condition Table 12 Keyboard icons and functions Icon Key Name Function On Off Key Controls the operational state of the cooling unit Alarm Key Silences an alarm Help Key Accesses integrated Help menus ESCape Key Returns to the previous display view Enter Key Confirms all selections and selects icons or text Increase Key Up Arrow Moves upward in a menu or increases the value of a selected p...

Страница 34: ...enu If a password is required see 4 3 3 Entering the Password If a menu has more than one screen the Liebert iCOM display will have text at the top simi lar to this page 1 of 2 5 Press Enter to select the first line of data 6 Use the Up and Down arrow keys to scroll to the desired data point 7 Press ESC to move back to higher level menus UNIT 1 Sensor A B Temp 74 F 72 F Hum 50 50 Dew Pt 55 F 54 F ...

Страница 35: ...e unit view Figure 26 Cooling module overview first 10 modules 2 Press the down arrow button again to display the next 10 modules outlet temperature and capacity levels 3 Press ESC to return to the default home screen NOTE The Liebert iCOM control screens display a setting to select a system view but the Liebert XDP does not support a system view UNIT 1 OFF 9 2013 100 212 F Max XD Supply Air Temp ...

Страница 36: ...the first digit of the password Move to the next digit of the password with the Right arrow key Select the numerals for all four digits with the same process 8 After all four digits of the password have been entered press the Enter key Figure 27 Entering the password NOTE Do not press the ESC key or the Liebert iCOM will move to the previous screen and the password must be re entered before change...

Страница 37: ...on settings in the Set Alarms and Setpoints menus require a password 1 From the home screen press the Enter key to view the User Menu see Figure 29 2 Press Enter again to highlight the first icon 3 Use the keyboard s arrow keys to move to the icon for the data you wish to change 4 Once that icon is highlighted press Enter again to open that menu If a password is required see 4 3 3 Entering the Pas...

Страница 38: ...ecord Displays average temperature from Sensors A and B the average dew point from Sensors A and B the supply refrigerant temperature and the supply refrigerant control point graphs Data is View Only Display scale is adjustable View Network Shows status of all connected units View Only Set Alarms Allows user to change settings for alarms Sensor Data Shows readings of sensors View Only Active Alarm...

Страница 39: ...rmware Version XP1 00 010 STD 33 Figure 30 Liebert XDP User Menu screen EVENT LOG C F RH SET SET 1 2 3 9 6 SET ALARMS ACTIVE ALARMS 1 2 3 4 h USER MENUS ESC to unselect to change level to open requested menu to navigate XDIO ...

Страница 40: ...int should be 1 2 below the expected temperature at the remote sensors which may affect placement of the remote sensors If the minimum temperature setpoint is set above the typical remote temperature sensor reading it will reduce the Liebert XD cooling output and in extreme cases cause erratic Liebert XD performance Spare Parts Spare Parts The spare parts lists contains a detailed description and ...

Страница 41: ...1 to 35 C the default is 65 F 18 3 C High Refrigerant Temperature Sets the threshold where a high refrigerant temperature alarm will occur based on the actual reading from the supply refrigerant sensor The supply refrigerant temperature is from the Liebert XDP to the modules The range for the high supply refrigerant temperature alarm is from 33 8 to 95 F 1 to 35 C the default is 80 F 26 7 C High C...

Страница 42: ...humidity of the remote CAN Temp Humidity sensor designated as Sensor B Sensor B Dew Point Displays the dew point of the remote CAN Temp Humidity sensor designated as Sensor B Supply Refrigerant Temperature Displays the actual supply refrigerant temperature from the Liebert XDP to the modules Supply Chilled Water Temperature Displays the actual the Supply Chilled Water temperature to the Liebert XD...

Страница 43: ...t Temperature Shows the highest supply refrigerant temperature in a rolling 24 hour period from the Liebert XDP to the modules Daily Low Refrigerant Temperature Shows the lowest supply refrigerant temperature in a rolling 24 hour period from the Liebert XDP to the modules Daily High Chilled Water Temperature Shows the highest chilled water supply temperature being delivered to the Liebert XDP in a...

Страница 44: ...frequency of the built in buzzer The buzzer will sound when its frequency is being adjusted easing selection of a frequency easily detected when an alarm occurs Backlite Off After Controls how long the back light 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 back light will turn Off extending the li...

Страница 45: ...bert XDV Smart Module Status screen U905 Displays the temperature of the air entering the Liebert XDV U908 Displays the temperature of the air leaving the right and left fan of the Liebert XDV U911 Displays the module type and calculated local module capacity possible module types are XDV8SK XDV8SS XDV8ST XDV10SK XDV10SS and XDV10ST U912 Displays the left fan status possible values are ON and OFF ...

Страница 46: ...N ON ECON indicates that two fans have been turned On Figure 39 Liebert XDO Smart Module Status screen U907 Displays the temperature of the air entering from the right and left of the Liebert XDO U910 Displays the temperature of the air leaving the Liebert XDO U911 Displays the module type and calculated local module capacity possible module types XDO16SK XDO16SS and XDO20SS U912 Displays the fan ...

Страница 47: ...or troubleshooting and repair Set Alarms Change settings for alarms Sensor Calibration Setup Setup and calibrate sensors for site Network Setup or alter network setting Options Setup Enter specific settings for various options Smart Module Setup of alarms and events Set temperature limits for supply and return sensors Label smart modules view firmware version Service Contacts Contains key contact ...

Страница 48: ...his manual may be slightly different from what is shown on a cooling unit s display Check www liebert com for the latest Liebert iCOM user manual updates Figure 43 Setpoints screen SERVICE MENUS to select parameter to change level to open requested menu ESC to unselect to navigate WELLNESS SET ALARMS SERVICE NETWORK SET UP XDIO C F RH SET SETPOINTS to confirm for next previous unit then to select ...

Страница 49: ...tions that would be taken by a human operator manually controlling the system Temperature Proportional Band Adjusts the activation points of compressors or rate of change based on the actual sensor values deviation from setpoint The smaller this number the faster the compressors and valve s will increase capacity Too small of a number may cause the unit to short cycle the compressors or excessivel...

Страница 50: ...f the last visit Service Engineer Provides a label for the service representative to list either the company name or representative s name Confirm PM Confirms that the service representative has completed the preventive maintenance and resets the next maintenance date Calculated Next Maintenance Provides a date to for the next expected maintenance based on the last preventive maintenance performed...

Страница 51: ...er of starts in a rolling 24 hour period for Pump 1 Number of Alarms Displays the number of alarms that have occurred with the unit s Pump 1 Actual Bonus Displays the actual calculation of wellness for the unit s Pump 1 The unit will always take the value from the worst component for the next maintenance indication Pump 1 Settings page 2 of 7 UNIT 1 S012 S013 S014 S015 S016 S017 S018 S019 S020 S02...

Страница 52: ...s page 3 of 7 UNIT 1 S023 S024 S025 S026 S027 S028 S029 S030 S031 S032 S033 to confirm for next previous unit then to select parameter to change parameter PASSWORD Actual Level 0 Number of Starts 2 Run Hours 0hrs Average Run Time 0min Starts per Day Best 1 Starts per Day Worst 24 Number of Alarms 1 Actual Bonus 0 Compressor 1A Settings page 4 of 7 UNIT 1 S034 S035 S036 S037 S038 S039 S040 S041 S04...

Страница 53: ...ows the call for cooling 3P Actuator Position Sets the position of the actuator 0 100 in manual mode 3P Actuator Open Opens the 3P actuator when set to ON in manual mode 3P Actuator Close Closes the 3P actuator when set to ON in manual mode Valve Feedback Opens the valve in manual mode DIAGNOSTICS SERVICE MODE page 1 of 6 UNIT 01 S301 S302 S303 S304 S305 S306 S307 S308 S309 S310 S311 to confirm fo...

Страница 54: ...Liebert XDP is the CW Temp Analog Output Ramp 4 Sets the value of Analog Output 4 value as a percentage The factory default for the Liebert XDP is the refrigerant temperature Alarm Relay Used to activate the Liebert iCOM s common alarm relay output Warning Relay Used to activate the Liebert iCOM s warning relay output DIAGNOSTICS SERVICE MODE page 3 of 6 UNIT 01 S323 S324 S325 S326 S327 S328 S329 ...

Страница 55: ...t a module Status Unit Ready Shows unit status when a secondary device such as a fire detection system is employed Figure 53 Diagnostics Service Mode screen page 6 of 6 Page 6 applies to the Liebert XDC only No Liebert XDP parameters are present DIAGNOSTICS SERVICE MODE page 5 of 6 UNIT 01 S345 S346 S347 S348 S349 S350 S351 S352 S353 S354 S355 to confirm for next previous unit then to select param...

Страница 56: ...efault is 65 F 18 3 C High Refrigerant Temperature Sets the threshold for a high a refrigerant temperature alarm The range for the high supply refrigerant temperature alarm is from 33 8 to 95 F 1 to 35 C the default is 80 F 26 7 C High Chilled Water Temperature Sets the threshold chilled water temperature for a supply high chilled water temperature alarm The range for the high supply refrigerant t...

Страница 57: ...e alarm Each event can be enabled or disabled and can be set to operate as an alarm warning or message The delay is the time the control waits before reporting the event Alarm Annunciates the buzzer triggers a monitoring event triggers the alarm relay and flashes the red LED on the display Warning Annunciates the buzzer triggers a monitoring event shows the event in the event viewer front display ...

Страница 58: ...fies how long the control waits before reporting the event SENSOR A FAILURE Enables or disables the Sensor A Failure event which occurs when the control no longer senses a signal from Sensor A Sets how the event is reported as an alarm a warning or a message Specifies how long the control waits before reporting the event SENSOR B FAILURE Enables or disables the Sensor B Failure event which occurs ...

Страница 59: ...rning or a message Specifies how long the control waits before reporting the event LOSS OF FLOW PUMP 2 Enables or disables the Loss of Flow Pump 2 event which occurs when Pump 2 is commanded to run and the differential pressure switch does not sense differential pressure Sets how the event is reported as an alarm a warning or a message Specifies how long the control waits before reporting the even...

Страница 60: ...nt which occurs when the Customer Input 1 is configured for Smoke Detected and 24VAC is applied to the input Sets how the event is reported as an alarm a warning or a message Specifies how long the control waits before reporting the event NOTE This is not a room smoke detector and is not intended to replace external smoke detectors SET ALARMS page 5 of 7 UNIT 01 to confirm for next previous unit t...

Страница 61: ...gnated as Sensor A to compensate for any error of the sensor or to match other sensors in the room Calibrated Temperature Sensor A Displays the adjusted temperature value of the remote CAN Temp Humidity sensor designated as Sensor A This value is the actual sensor reading plus or minus the offset Temperature Sensor A Humidity Sensor A Adjusts the humidity reading from the actual remote CAN Temp Hu...

Страница 62: ...ensor Supply Chilled Water Sensor Adjusts the temperature reading from the actual supply chilled water sensor to compensate for any error of the sensor Calibrated Chilled Water Sensor Displays the adjusted temperature value of the supply chilled water sensor This value is the actual sensor reading plus or minus the offset Supply Chilled Water Sensor Figure 62 Sensor Calibration Setup screen page 3...

Страница 63: ...ll write the settings to the internal storage file and selecting Load will write the settings from the internal storage file to the application software The internal file is updated automatically every 12 hours Network Safe Saves or loads network settings for the display that have been modified from the factory defaults to an internal file that can be downloaded uploaded using the Liebert iCOM Ser...

Страница 64: ...dentifier for each display on the network Display addresses range from 33 to 64 Each display on the U2U network must have a different U2U address Not currently used U2U Group Used to create zones or groups within a U2U network Once a group number is selected the display will see only other devices with the same group number The group number can be changed to view other devices in different groups ...

Страница 65: ...g Load will write the settings from the internal storage file to the application software The internal file is updated every 12 hours automatically Network Safe Saves or loads network settings for the control board 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 i...

Страница 66: ...mwork Operations U2U Protocol Always set to GBP U2U Address Unique identifier for each display on the network Display addresses range from 1 to 32 Each display on the U2U network must have a different U2U address Not currently used U2U Group Creates 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 numb...

Страница 67: ...efrigerant flow If refrigerant flow resumes during the specified interval the pump will continue operating If the wait time expires and refrigerant flow has not resumed the pump will shut down Pump Off Time Delay Sets the length of time a pump will remain off when refrigerant flow is interrupted or stops After the time delay has expired the control will try to restart the pump Lead Pump Sets which...

Страница 68: ...en the unit is Off Figure 69 Module Setup screen page 1 of 20 OPTIONS SETUP page 2 of 2 to confirm for next previous unit then to select parameter to change parameter PASSWORD Actual Level 0 Valve Start Open Valve Start TD 3P Actuator Runtime 3P Actuator Direction Unit Off Valve Open S412 S413 S414 S415 S416 S417 S418 S419 S420 S421 S422 30 90sec 70sec Direct 30 UNIT 01 MODULE SETUP page 1 of 20 U...

Страница 69: ... consisting of two letters and two numerals This is the standard nomenclature for Data Center Grid assignment of racks Additionally the module s location can be denoted with 10 characters either letters or non alphanumeric characters from a built in list Either or both labels can be used and are entered using this screen Supply Air Temp Limit Sets the high and low supply air temperature to from th...

Страница 70: ...system is now ready to be turned ON CAUTION Risk of piping and component rupture May cause equipment damage or injury Closing service valves may isolate liquid refrigerant causing high pressure and rupture of piping Do not close valves without following recommended procedures for repair maintenance and replacement of components Install pressure relief valves in field piping that may become isolate...

Страница 71: ...ules fans will turn On If no Loss of Flow alarm is present This suggests that there is flow Test the pressure differential by closing the ball valve on either the suction line or discharge line to stop the flow This should prompt an alarm for loss of flow on P1 This alarm confirms that the switch has opened on low pressure below 6 psi 41kPa 0 41 bars If a Loss of Flow alarm is present This suggest...

Страница 72: ...ensor drops 5 F 2 8 C below the user specified setpoint and the alarm has been acknowledged HIGH DEW POINT Activates when the calculated dew point at either Sensor A or B exceeds the user specified alarm setpoint The alarm will reset when the calculated room dew point from both Sensor A and Sensor B is 2 F 1 1 C below the setpoint and the alarm has been acknowledged HIGH REFRIGERANT TEMP Activated...

Страница 73: ...en the remote shutdown input is deactivated NODEX RETURNAIR TEMPLIMT Activated when the return air temperature entering air temperature to the module exceeds the user specified return air temperature range on a smart module at CAN node ID X where X is a value ranging from 81 to 100 This alarm will reset when the return air temperature return to with the user specified range NODEX SENSOR FAILURE Ac...

Страница 74: ... reset to 0 6 3 System Shutdown Causes Unit Is Off By Refrig Sens Fail The control has lost its signal from the refrigerant temperature sensor The control has no way of controlling the refrigerant temperature so the unit is shut off Main power disconnect switch must be turned Off then back On to clear this alarm Unit Is Off By High CW Temp The entering chilled water temperature is too high to keep...

Страница 75: ...ing completely Wait at least 10 minutes before calibrating Access the Advanced Menu Factory Settings Calibrate Actuator Contact Liebert Services for assistance 1 800 543 2778 Pump Noisy Cavitation due to vapor in pump Check for adequate charge in system refer to the User s Manual 5 1 Checklist for Liebert XDP Startup Worn motor bearings Replace pump Pump is rotating in reverse See Table 13 Liebert...

Страница 76: ...cessary to lower dew point At normal room temperature of 68 F 20 C the RH should be set to 50 or lower Liebert XD cooling modules are Off Check Liebert XD cooling modules to make sure that they are On before starting the Liebert XDP Minimum room temperature setpoint is too high Check the setpoint in the User Setpoints menu see Figure 43 Temperature humidity sensors incorrectly placed Place the sen...

Страница 77: ...d Greenhouse Gas Requirements Stationary air conditioning refrigeration heat pump equipment and stationary fire protection systems in the European Community market and operating with fluorinated greenhouse gases f gas such as R407C R134a R410A must comply with the F Gas Regulation EC No 842 2006 F gas The regulation prohibits among other actions venting fluorinated greenhouse gases to the atmosphe...

Страница 78: ...67 484 Installed with refrigerant and chilled water 1038 471 Pipe Connections Refrigerant supply to Liebert XD cooling module 1 1 8 OD Cu Refrigerant return from Liebert XD cooling module 2 1 8 OD Cu Chilled water supply and return 2 5 8 OD Cu Control valve 2 way 2 nominal 35 PSIG close off pressure rating 150 PSIG maximum allowable pressure Pressure Drop Chilled Water Side 20 psig 137kPa 1 38bar ...

Страница 79: ...ante declara por este meio que este produto quando ostenta a marca CE está em conformidade com as directivas da União Europeia Tillverkaren tillkännager härmed att den här produkten när den är CE märkt överensstämmer med EU s direktiv De fabrikant verklaart hierbij dat dit product indien het van de CE markering is voorzien conform de EU richtlijnen is Valmistaja vakuuttaa täten että mikäli tuottee...

Страница 80: ...change without notice Liebert is a registered trademark of Liebert Corporation All names 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 00800 1155 4499 Single Phase UPS Server Cabinets liebert upstech emerson com 800 222 5877 Outside North ...

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