Precision Cooling For Business-Critical Continuity™ Liebert® iCOM® User Manual - Intelligent Communications & Monitoring for Liebert Challenger 3000™, Liebert Challenger ITR™ , Liebert CW™ and Liebert DS™
TABLE OF CONTENTS 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 LIEBERT ICOM DISPLAY COMPONENTS AND FUNCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . .2 2.1 Navigating Through the Liebert iCOM Menus . . . . . . . . . . . . . . . . . . . . . . . . . . .
.0 TEAMWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 4.1 Teamwork Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 4.1.1 4.1.2 4.1.3 4.1.4 4.1.5 Application of Teamwork Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No Teamwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 27 Figure 28 Figure 29 Figure 30 Figure 31 Figure 32 Figure 33 Figure 34 Figure 35 Figure 36 Figure 37 Figure 38 Figure 39 Figure 40 Figure 41 Figure 42 Figure 43 Figure 44 Figure 45 Figure 46 Figure 47 Figure 48 Figure 49 Figure 50 Figure 51 Figure 52 Figure 53 Figure 54 Figure 55 Figure 56 Figure 57 Figure 58 Figure 59 Figure 60 Figure 61 Figure 62 Figure 63 Figure 64 Figure 65 Figure 66 Figure 67 Figure 68 Figure 69 Figure 70 Figure 71 Figure 72 Figure 73 Figure 74 Figure 75 Figure 76 Standby uni
Figure 77 Figure 78 Figure 79 Figure 80 Figure 81 Figure 82 Figure 83 Figure 84 Sensor calibration / setup parameters - Page 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . System / network setup parameters—large display only System - Page 1 . . . . . . . . . . . . . . . . . . System / network setup parameters—large display only System - Page 2 . . . . . . . . . . . . . . . . . . System/Network setup parameters Unit- Page 1 . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction 1.0 INTRODUCTION The Liebert iCOM® control offers the highest capabilities in unit control, communication and monitoring of Liebert mission-critical cooling units. Liebert iCOM may be used to combine multiple cooling units into a team that operates as a single entity, enhancing the already-high performance and efficiency of Liebert’s units. Liebert iCOM is available as a factory-installed assembly or may be retrofitted on existing products with SM, AM or AG controls.
Liebert iCOM Display Components and Functions 2.0 LIEBERT ICOM DISPLAY COMPONENTS AND FUNCTIONS The small and the large display have a common key layout, as shown in Figure 2. Figure 2 Liebert iCOM display components Liquid Crystal Display LED Status Indicators (top LED is red or flashing red; bottom LED is green or amber) ? ESC Large Liebert iCOM Display shown - Keypad and LEDs are identical on all displays.
Liebert iCOM Display Components and Functions Table 1 Icon ? ESC Keyboard icons and functions 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 parameter.
Liebert iCOM Display Components and Functions Figure 3 Status menu, large display, graphical view System or Unit # view Temperature Sensor Reading Evaporator Fan Speed Percent Cooling Free-Cooling Percentage Next Maintenance Date and Time Humidity Setpoint Temperature Setpoint Supply Air Setpoint UNIT 1 73.4°F 72.9 °F 50% 50.9°F 48 100% 14% 0% 12/2011 SET 51.
Liebert iCOM Display Components and Functions 2.1 Navigating Through the Liebert iCOM Menus Liebert iCOM shows icons and text for monitoring and controlling your Liebert cooling units or network of cooling units. The number of icons and amount of text shown depends on the display size. 2.1.1 Control Interface When the buttons on the Liebert iCOM control have not been pressed for a short period, the display backlight turns off.
Liebert iCOM Display Components and Functions Accessing Submenus on Small Displays While viewing the menu you wish to access (User, Service or Advanced), use the up and down arrow keys to scroll through the icons page-by-page. To scroll through the icons one-by-one, press the enter key and then use the up and down arrow keys. With the desired icon highlighted, press the enter key to enter that submenu. Once in a Submenu, a list of parameters is displayed.
Liebert iCOM Display Components and Functions Figure 6 Entering a password UNIT 01 SETPOINTS U101 U102 U103 U104 U105 U106 U107 U108 U109 U110 U111 to select parameter to confirm for next/previous unit then to change parameter Figure 7 ???? 73°F 50.
Liebert iCOM Display Components and Functions 2.1.4 Viewing Multiple Units with a Networked Large Display When you first wake up the control, press the Esc key to return to the System view Status menu. This view shows an average of all the units on the network and any alarms present. To view a specific unit on the network, press either the enter key or down arrow key. When you do this, you will see the word System in the top left of the screen change to a unit number.
Liebert iCOM Display Components and Functions Figure 9 User menu icons User Menu password: 1490 Table 2 User menu icons Icon Name °C / °F % RH SET EVENT LOG SET ALARMS ! Description Available On Display Setpoints View and change temperature and humidity setpoints Small & Large Spare Part List Displays the various part numbers of the components/parts in the cooling unit Large Event Log Contains last 400 events Small & Large Graphics Displays temperature and humidity graphs Small & La
Liebert iCOM Display Components and Functions Table 2 User menu icons (continued) Icon Name Description Available On Display Sleep Mode Allows setback settings for non-peak operation Small & Large Service Contact Info Contains key contact information for local Small & Large service, including names and phone numbers iCOM-DO Change settings for Liebert iCOM Discrete Output card 12 9 3 6 DO Small & Large Figure 10 Service menu icons DO Table 3 Service Menu password: 5010 Service menu ico
Liebert iCOM Display Components and Functions Table 3 Icon +/- Service menu icons (continued) Description Available On Display Sensor Calibration/Setup Allows calibration of sensors Small & large System/Network Setup Allows setup and U2U communication 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 Lieb
Operation 3.0 OPERATION The Liebert iCOM display provides viewing, trending and configuration capability for Liebert cooling units. All unit settings and parameters can be viewed and adjusted through three menus: User, Service and Advanced. All active alarms are displayed on the LCD and annunciated. The control is shipped from the factory with default selections for all necessary settings. Adjustments can be made if the defaults do not meet your requirements.
Operation Autorestart When there is a loss of power to the cooling unit and power comes back, the unit will return to its previous operating status—on if it was on before the power off, off if it was off. When power returns, the autorestart time—time-selectable: Single Unit Auto Restart (Service Menu, Options Setup)—controls the start of the unit. If the units are on the same network, the autorestart time runs in a loop, starting each unit in sequence, starting with Unit # 1.
Operation Chilled Water Units with Variable Fan Speed—EC or Variable Frequency Drives VSD Fan Speed parameter can be found in the Service Menu / Setpoints submenu on page 5 of 6. This menu allows the cooling unit's fan motor speed to be configured and adjusted for a variety of applications. • Auto Operation: When set to Auto, the speed of the fan motor follows the position of the chilled water valve based on predetermined logic for cooling and dehumidification operation.
Operation 3.1.2 General Compressor Requirements Low-Pressure Time Delay When the compressor starts, the low-pressure input is ignored for a selected period of time based on the setting of the Low Pressure Alarm Delay (Service Menu, Options Setup). This time is usually set to 3 minutes on air-cooled units, and to 0 or 1 minute on water cooled units. When this time is expired, a second timer starts to operate if the low-pressure input is active.
Operation Digital Scroll High Temperature A protective maximum operating compressor temperature limit is imposed on units with digital scroll compressor(s) with thermistor. If the digital scroll temperature reaches the maximum temperature threshold, the compressor will be locked out for at least 30 minutes and an alarm will be annunciated. If after 30 minutes the temperature has cooled to a safe operating temperature, the compressor will resume operation.
Operation When Auto BV Control is selected, the motorized ball valve functions as it would be during normal system operation. NOTE Compressor operation will be delayed 30 seconds to allow the motorized ball valve to position itself for initial startup.
Operation 3.2 Temperature Control—Single Source Cooling (No Extra Cooling Coil) 3.2.1 Temperature Proportional Band The control uses the temperature proportional band to determine which operation to perform (cooling/heating) and how much capacity to provide. The Temperature Proportional Band is a user-defined range that is divided into two equal parts for cooling and heating. The Temperature Setpoint is between these two equal parts.
Operation 3.2.2 Compressor Control Depending on its type, a Liebert Precision Cooling unit may have one or two compressors with or without unloaders or variable capacity. Compressor Proportional Bands One Single-Step Compressor Without Unloaders—One-Step One single-step compressor, Cool 1, is started at 100% call for cooling from the temperature proportional band and stopped at 0% (see Figure 13).
Operation Two Compressors With Unloaders—Four-Step The first two-step compressor is started unloaded at 33% calculated output from the temperature proportional band and stopped at 17%. At 80% Compressor 1 will be loaded, at 70% unloaded. The second compressor starts unloaded at 63% and stops at 47%. At 100%, Compressor 2 will be loaded, at 90% unloaded (see Figure 15).
Operation On single and dual digital scroll compressor systems, the first compressor is started at 25% calculated output from the temperature proportional band and stopped at 10%. On dual digital scroll compressor systems, the second compressor is started at 35% and stopped at 20%, see Figure 17. When a compressor is started, the solenoid is energized longer than it is de-energized to match the call for cooling.
Operation 3.2.3 Chilled Water Control The chilled water control valve is adjusted proportionally as the temperature control varies the requirement for cooling from 0% to 100%. A three-point actuator or motorized ball valve is used for chilled water cooling, as well as free-cooling hot water or heating. The three-point actuator is driven through two digital outputs: Open and Close.
Operation Chilled water units that contain a motorized ball valve(s) are connected to the control by an analog output. The analog output is driven proportionally to the call for cooling as shown in Figure 19. Larger chill water units may contain two motorized ball valves in which both valves are controlled in parallel. NOTE Depending on the valve specifications, the voltage output may be a 0-10VDC or a 2-10VDC that is scaled automatically within the control.
Operation Figure 20 Second cooling source and two-step compressorized cooling Temp Setpoint: 70°F Proportional Band: 8°F Deadband: 2°F Valve Closed 71 0% Cooling Cool 2 On + 100 % Cooling ½ Deadband 70 Cool 1 On Valve 100% Open 2nd Source 72 73 74 Comp 75 76 77 78 ½ Proportional Band ½ Proportional Band nd Band 2: Compressors Band1: 2 Source 79 + 200% Cooling Increasing Temperature Minimum Chilled Water Temperature—This feature permits the user to select the minimum chilled water
Operation 3.4 Temperature Control—Reheat If the room air temperature becomes too cold, the control will call for heating. Heating mode is controlled by the Temperature Proportional Band, explained in 3.2.1 - Temperature Proportional Band. 3.4.1 Three-Stage Electric, Hot Gas and Hot Water Reheat The Reheat Proportional Band is divided into three equal parts, each representing one reheat stage.
Operation capacity is provided at 0% calculated output from the Temperature Proportional Band. As the call for cooling increases from 0% to 100%, the reheat capacity is slowly reduced by pulsing the reheat. At 100% call for cooling, the reheat is deactivated and the second single-step compressor is started. As the call for cooling is reduced, the reheat capacity is slowly increased. When the call for cooling returns to 0%, the second single-step compressor is deactivated.
Operation Figure 23 Two single-step compressors with SCR reheat set to Standard mode Temp Setpoint : 70°F Proportional Band : 8°F Deadband : 0°F SCR On 66 67 68 -100% Heating 69 Cool 2 On Cool 1 On 70 71 72 73 74 100 % Cooling 0% Cool 1 Off SCR Off ½ Proportional Band Cool 2 Off ½ Proportional Band Cooling 1 On SCR On Cooling 2 On NOTE Using SCR in Standard mode in conjunction with variable cooling capacity (e.g.
Operation When the return air humidity reaches the end of the proportional band, either 100% or -100%, full dehumidification or full humidification capacity is provided. No operation is performed when a 0% call is calculated. The control varies the call for dehumidifying and humidifying in 1% increments as the return air humidity moves through the proportional band halves. The deadband range is used to widen the setpoint.
Operation 3.5.2 Dehumidification The Dehumidification Enable parameter (Service Menu, Options Setup) allows for enabling/disabling the dehumidification function. A call for dehumidification is calculated in the same way as a cooling request. The components (valves, compressors) will follow this dehumidification request as soon as it is higher than the request for cooling. Dehumidification Low Limit Low Limit 1 and Low Limit 2 are used to avoid overcooling a room during dehumidification.
Operation Reheat During Dehumidification Hot gas reheat or hot water reheat will start as described in 3.4 - Temperature Control—Reheat, when the temperature decreases during the dehumidification process. The parameter Electric Reheat Operation defines how the heaters react in case the temperature decreases during the dehumidification process. This parameter does not impact SCR reheat operation.
Operation is programmed into the control. These rules simulate the actions that a human operator would take if manually controlling the system. This control type is commonly selected on chilled water units. NOTE The actual air temperature sensor reading is always displayed on the Status menu. The value displayed for the return air humidity sensor reading depends on the Humidity Sensor Control Type (see 3.6.2 - Humidity Sensor Reading Control Types). 3.6.
Operation Figure 25 Placing temperature and temperature/humidity sensors Internal Temperature and Humidity Sensor Return Air 5 to 15feet (1.5 to 4.
Operation 3.7 Supply Control 3.7.1 Supply Air The Supply Air sensor can be used to control, limit or reference the discharge air temperature of the cooling unit. The desired supply sensor operation can be selected in the Service, Setpoints menu. The optional supply air temperature sensor allows use of either the Supply Air control or the Supply Limit control. This sensor can be added to existing Liebert iCOM controls by purchasing the supply sensor and wiring harness.
Operation 3.8 Event Types and Properties Liebert iCOM events are used to inform the user of cooling unit operational status. All events are recorded in the Event Log, which is in the User Menu. The user can change the type (alarm, warn, message) and time delay of some events and can also enable or disable some events. These event settings are in the Service Menu under Set Alarms, pages 3 to 7. If an event has a safety function (high pressure, low pressure, main fan overload, etc.
Operation Table 7 Possible event settings—some events not available in all units Event MAIN FAN OVERLOAD LOSS OF AIRFLOW CLOGGED FILTERS HIGH ROOM TEMP LOW ROOM TEMP HIGH ROOM HUM LOW ROOM HUM HIGH TEMP SENSOR A LOW TEMP SENSOR A HIGH HUM SENSOR A LOW HUM SENSOR A COMP 1 OVERLOAD COMP 2 OVERLOAD COMP 1 HIGH PRESSURE COMP 2 HIGH PRESSURE COMP 1 LOW PRESSURE COMP 2 LOW PRESSURE COMP 1 PUMPDOWN FAIL COMP 2 PUMPDOWN FAIL DIG SCROLL1 HIGH TEMP DIG SCROLL2 HIGH TEMP EL HEAT HIGH TEMP WORKING HRS EXCEEDED SMOKE
Operation 3.8.1 High- and Low-Temperature and Humidity Events High- and low-temperature and humidity alarms can be set for both the internal and optional external sensors. If a sensor reading exceeds a preset threshold, a warning will appear. These warnings are ignored after unit startup for a minimum of 1 minute. To increase the delay to warn, see 3.8 - Event Types and Properties. The threshold settings are located in both the User and Service menus under Set Alarms.
Operation 3.8.3 Liebert iCOM-DO The Liebert iCOM-DO is an optional discrete output relay card that can be connected to the Liebert iCOM controls that will provide a dry alarm contact for monitoring systems. The Liebert iCOM-DO is a direct replacement of the Liebert ENV-DO card that was supported on previous Liebert control systems.
Operation 3.8.4 Possible Event Notifications Table 10 lists examples of alarms and warnings that can be configured for a cooling unit. When any of these occur, they will appear on the Liebert iCOM Status menu and will be recorded in the Liebert iCOM Event log.
Operation 3.9.
Operation Fans / Heaters / Humidifier Settings and Diagnostics • Number of starts and Working hours are counted separately 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 the number of starts considered as hunting (worst case).
Teamwork 4.0 TEAMWORK Unit-2-Unit (U2U) communications via a private network will allow the following functions to be placed into operation when the requirement exists. The user must install the correct hardware (see 5.0 - Installing a Liebert iCOM Unit-to-Unit Network) and properly program the units for the selected functionality. The Liebert iCOM network can perform the following functions: The Teamwork Mode functions allow for multiple stages of cooling/heating and humidification/dehumidification.
Teamwork The number of available units is calculated like: • In non-standby configuration: all units with fan on • In typical standby function (no cascade): all units with fan on • In cascade mode: all units that could operate (no alarm, which forces the unit to switch off, unit not switched off, etc.) NOTE 1. Proportional actuators (chilled water valve, free-cooling actuator) are driven in parallel in all units. 2.
Teamwork 4.1.4 Teamwork Mode 2 Teamwork Mode 2 is designed to prevent units within a group from working against each other or “fighting.” It is best applied in large rooms with unbalanced heat loads. In Teamwork Mode 2, all parameters are shared equal to Mode 1, and Unit #1 averages all of the available unit sensor readings on the network to define whether there is a cooling, heating, dehumidification or humidification request.
Installing a Liebert iCOM Unit-to-Unit Network 5.0 INSTALLING A LIEBERT ICOM UNIT-TO-UNIT NETWORK Connecting multiple Liebert iCOM-controlled cooling units in an Ethernet Unit-to-Unit (U2U) network enables the units to work together to achieve efficient cooling and humidity control of the conditioned space.
Installing a Liebert iCOM Unit-to-Unit Network 5.2 U2U Hardware: Cables and Network Switch Plan wiring runs for U2U communication when designing the layout of your conditioned space. In addition to general good wiring practices, take into account: • • • • • • • • • • Ethernet CAT5 or greater cable is required for interconnecting the units. Maximum distance must not exceed 328 feet (100m). A device to boost the Ethernet signal may be used to exceed the 328 feet (100m) length limitation.
Installing a Liebert iCOM Unit-to-Unit Network 5.3 Wiring for Unit-to-Unit Communications—U2U Cooling units come from the factory-wired for stand-alone operation. Liebert iCOM U2U Ethernet Network The Liebert iCOM U2U network must be isolated from other network traffic. The network switch(es) that connect Liebert iCOM controls need to be dedicated to supporting only Liebert iCOM communication. The U2U network cannot be connected to the building or IT network.
Installing a Liebert iCOM Unit-to-Unit Network Large Displays A network switch is required to enable Ethernet communication on one or more cooling units with large displays. Each cooling unit with a large display requires two straight-through Ethernet cables from a network switch. One cable connects to port P64 on the Liebert iCOM input/output board and the other straight-through cable connects to the female-female coupler provided with the unit.
Installing a Liebert iCOM Unit-to-Unit Network Wall-Mount Large Display Only large displays can be used for remotely monitoring and controlling cooling units connected on the same network. Each wall-mount large display requires 120V input power; Liebert provides an AC adapter wall plug. A straight-through Ethernet cable must be connected between the network switch and the P64 port on the back of the display. This will enable control and monitoring capabilities to any cooling unit connected to the network.
Installing a Liebert iCOM Unit-to-Unit Network Figure 31 Wiring a small display for U2U network operation CAN Cable Cable 'C' P64A Connection Located Near I/O Board Not Used Standard Small Graphics Display (Rear View) U2U Networking Switch (Field-Supplied) Liebert iCOM I/O Board Straight-Through Ethernet Cable 194273 49 To / From Other Networked Units
Installing a Liebert iCOM Unit-to-Unit Network Figure 32 Wiring a large display for U2U network operation CAN Cable Red Crossover Ethernet Cable Crossover Coupler (See Note 6) Cable 'C' See Note 4 Not Used Cable 'D' P64A Connection Located Near I/O Board Optional Large Graphics Display (Rear View) Customer Connection Point See Note 6 U2U Networking Switch (Field-Supplied) Liebert iCOM I/O Board Straight-Through Ethernet Cables To / From Other Networked Units 194273 Liebert vNSA The Liebert vNSA
Installing a Liebert iCOM Unit-to-Unit Network Table 12 Ports available for connecting Liebert iCOM control devices Model Liebert vNSA8-Liebert iCOM Liebert vNSA16Liebert iCOM Liebert vNSA8 Liebert vNSA16 Liebert vNSA With Number of Ports Number of Ports Number of Ports Remote Used to Connect Used to Available to Large Total Number Remote Large Interconnect Connect Liebert iCOM Display of Ports Display Switches Control Devices Yes No 8 1 - 7 16 1 2 13 8 - - 8 16 - 2 14 Figure 33 Liebe
External Communications—Building Management Systems, Liebert SiteScan® 6.0 EXTERNAL COMMUNICATIONS—BUILDING MANAGEMENT SYSTEMS, LIEBERT SITESCAN® Liebert iCOM is capable of communicating with external monitoring systems, such as Building Management Systems (BMS), Network Monitoring Systems (NMS), Liebert's SiteScan® Web system and others.
User Menu Parameters 7.0 USER MENU PARAMETERS User menus report general cooling unit operations and status. The user menu password is 1490. The User menu parameter tables in this manual may differ from the display on your cooling unit. The Liebert iCOM functions with several Liebert Precision Cooling units, each with its own set of control commands. In addition, the Liebert iCOM control firmware is being updated constantly.
User Menu Parameters Spare Part List Spare Parts—The spare parts lists contains a detailed description and part number that can be used to order parts for the unit. These part numbers are specific to each model and option installed on the unit. Event Log Event Log—The event log displays all events and actions that have been generated by the unit. When multiple units are networked you will see the event log of the whole system.
User Menu Parameters Low Temperature Sensor A—This parameter is visible when the sensor A alarm is enabled. When enabled the low temperature alarm allows a user to adjust the point at which the actual sensor A temperature activates a Low Temperature Alarm High Humidity Sensor A—This parameter is visible when the sensor A alarm is enabled.
User Menu Parameters Figure 37 Sensor data screen UNIT 01 SENSOR DATA (page 1 of 2) U301 U302 U303 U304 U305 U306 U307 U308 U309 U310 U311 U312 Optional Sensor A 1 Optional Sensor A 2 Optional Sensor B 1 Optional Sensor B 2 Optional Sensor C 1 Optional Sensor C 2 Freecooling Fluid Temperature Outdoor Temperature Freecooling Status DigiScroll 1 Temperature DigiScroll 2 Temperature 72°F 49.
User Menu Parameters Figure 38 Sensor data screen - Page 2 (return only) UNIT 01 SENSOR DATA (page 2 of 2) U313 U314 U315 U316 U317 U318 U319 U320 U321 U322 U323 U324 Daily Daily Daily Daily High Temperature Low Temperature High Humidity Low Humidity 13:59:31 08:04:38 08:16:11 08:03:47 73°F 66°F 48.5% 48.3% to select parameter This window is READ ONLY Daily High Temperature—The daily high temperature is the highest recorded temperature from 12:00am to 11:59pm.
User Menu Parameters Figure 39 Display setup parameters screen SYSTEM DISPLAY SETUP U401 U402 U403 U404 U405 U406 U407 U408 U409 U410 U411 Language Date Time Temperature Indication Display Contrast Buzzer Frequency Backlite Off after Screen Display Shows Display Colors Date Format ENGLISH 7/3/2010 14:01:49 °F 45 Off/ 0 12h Graphical Comma ACT+SET Normal mm/dd/yyy to select parameter to confirm for next/previous unit to change parameter then Language—This parameter sets the language on the display.
User Menu Parameters Figure 40 Total run hours parameters screen SYSTEM TOTAL RUN HOURS U501 U502 U503 U504 U505 U506 U507 U508 U509 U510 U511 Limit 0 0 0 0 0 0 0 0 0 0 Actual Hours 28 Fan Motor (s) 9 Compressor 1 9 Compressor 2 0 Chilled Water/Free Cool 0 Hot Gas / HotWater 1 Electric Heater1 0 Electric Heater 2 0 Electric Heater 3 0 Humidifier 1 Dehumidification to select parameter to confirm for next/previous unit then to change parameter Figure 41 Sleep mode parameters screen SLEEP MODE U601 U60
Service Menu Parameters 8.0 SERVICE MENU PARAMETERS Service menus allow customized settings for site operations. The password for service menu parameters is 5010. The Liebert iCOM control firmware is being updated constantly. 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.
Service Menu Parameters Figure 43 Setpoints parameters screen - Page 1 UNIT 01 SETPOINTS (pg 1 of 6) S101 S102 S103 S104 S105 S106 S107 S108 S109 S110 S111 PASSWORD (Actual Level 0) Temperature Setpoint Control Type Temperature Proportional Band Temperature Integration Time ???? 73°F Proportional 5°F min AutoSet Enable Temperature DeadBand Second Setpoint Backup Temperature Setpoint Heaters DeadBand No 0°F 73°F 73°F °F to select parameter to confirm for next/previous unit to change parameter then T
Service Menu Parameters Figure 44 Setpoints parameters screen - Page 2 UNIT 01 SETPOINTS (pg 2 of 6) S112 S113 S114 S115 S116 S117 S118 S119 S120 S121 S122 PASSWORD (Actual Level 0) Humidity Setpoint Humidity Control Type Humidity Proportional Band Humidity Integration Time Humidity DeadBand Dehum/Heat Low Limit 1 Dehum/Heat Low Limit 2 ???? 50% Relative 10.0% 0min 0.
Service Menu Parameters Figure 45 Setpoints parameters screen - Page 3 UNIT 01 SETPOINTS (pg 3 of 6) S123 S124 S125 S126 S127 S128 S129 S130 S131 S132 S133 PASSWORD (Actual Level 0) Supply Sensor Supply Setpoint Supply Control Type Supply Proportional Band Supply Integration ???? Control 50°F Proportional 12°F min Supply DeadBand Valve Pulse Cooling Filter at 0% / 100% / Return Compensation 0°F 3% 100.
Service Menu Parameters Figure 46 Setpoints parameters screen - Page 4 UNIT 01 SETPOINTS (pg 4 of 6) S134 S135 S136 S137 S138 S139 S140 S141 S142 S143 S144 PASSWORD (Actual Level 0) DT between Room / Outdoor Type DT between Room Air / Outdoor DT between Room / FC Type DT between Room Air FC Fluid Minimum CW Temp Minimum CW Temp Value Lockout FC at FC Fluid below Transition Change ???? Disable °F Disable °F Disable °F 48°F 100 .
Service Menu Parameters Figure 47 Setpoints parameters screen - Page 5 UNIT 01 SETPOINTS (pg 5 of 6) S145 PASSWORD (Actual Level 0) S146 VSD Fanspeed S147 VSD Setpoint STD S148 VSD Setpoint MIN S149 VSD Setpoint Dehum S150 VSD Setpoint No Power S151 Fanspeed Change S152 Fanspeed Reposition Delay S153 Fanspeed Delta S154 Fanspeed P -Band S155 Fanspeed Integration ???? Delta 100% 60% 60% 100% 0.20 / 1.
Service Menu Parameters Figure 48 Setpoints parameters screen - Page 6 UNIT 01 SETPOINTS (pg 6 of 6) S156 S157 S158 S159 S160 S161 S162 S163 S164 S165 S166 PASSWORD (Actual Level 0) SCR Control Type Start Compressor 1 At Stop Compressor 1 At Compressor 1 Stop Delay Start Compressor 2 At Stop Compressor 2 At Compressor 2 Stop Delay Cycle Time SCR Factor Actual SCR Request ???? % % min % % min sec % to select parameter to confirm for next/previous unit to change parameter then SCR Control Type—This par
Service Menu Parameters Figure 49 Standby settings / lead-lag parameters screen STANDBY SETTINGS / LEAD-LAG S501 S502 S503 S504 S505 S506 S507 S508 S509 S510 S511 SYSTEM PASSWORD (Actual Level 0) Number of Standby Units Rotation Frequency Rotate at (hour) Rotate at (minute) Rotate by Perform one Rotation Cascade Units Start all Standby Units by HT ???? 0 No 00 00 1 No No No to select parameter to confirm for next/previous unit to change parameter then Number of Standby Units—This parameter selects t
Service Menu Parameters Figure 50 Wellness basic settings screen- Page 1 WELLNESS basic settings (page 1 of 8) S001 S002 S003 S004 S005 S006 S007 S008 S009 S010 S011 PASSWORD (Actual Level 0) Maintenance Frequency Per Year Max Bonus Max Penalty Last Maintenance Service Engineer Confirm PM Calculated Next Maintenance SYSTEM ???? 1 0 0 08/17/2010 NOBODY No 08/2011 to select parameter to confirm for next/previous unit to change parameter then Maximum Frequency Per year—This parameter sets the number of
Service Menu Parameters Figure 51 Wellness motor settings parameters screen - Page 2 WELLNESS motor settings (page 2 of 8) S012 S013 S014 S015 S016 S017 S018 S019 S020 S021 S022 PASSWORD (Actual Level 0) Number of Starts Run Hours Average Run Time Starts per Day Best Starts per Day Worst Number of Alarms Actual Bonus UNIT 1 ???? 7 22hrs 188min 1 24 0 0 to select parameter to confirm for next/previous unit to change parameter then Figure 52 Wellness compressor 1 settings parameters screen - Page 3 WE
Service Menu Parameters Figure 53 Wellness compressor 1 settings parameters - Page 4 WELLNESS compressor2 settings (page 4 of 8) S034 S035 S036 S037 S038 S039 S040 S041 S042 S043 S044 PASSWORD (Actual Level 0) Number of Starts Run Hours Average Run Time Starts per Day Best Starts per Day Worst Number of HP Alarms Number of LP Alarms Number of OL Alarms Number of DS HT Alarms Actual Bonus UNIT 1 ???? 3 7hrs 140min 12 240 0 0 0 0 0 to select parameter to confirm for next/previous unit to change paramete
Service Menu Parameters Figure 55 Wellness electric heater 2 settings parameters screen - Page 6 WELLNESS el heater 2 settings (page 6 of 8) S056 S057 S058 S059 S060 S061 S062 S063 S064 S065 S066 UNIT 1 PASSWORD (Actual Level 0) Number of Starts Run Hours Average Run Time Starts per Day Best Starts per Day Worst Number of HP Alarms Actual Bonus ???? 1 0hrs 0min 24 240 0 0 to select parameter to confirm for next/previous unit to change parameter then Figure 56 Wellness electric heater 3 settings para
Service Menu Parameters Figure 57 Wellness humidifier settings parameters screen - Page 8 WELLNESS humidifier settings (page 8 of 8) S078 S079 S080 S081 S082 S083 S084 S085 S086 S087 S088 UNIT 1 PASSWORD (Actual Level 0) Number of Starts Run Hours Average Run Time Starts per Day Best Starts per Day Worst Number of Alarms Actual Bonus ???? 1 0hrs 0min 24 240 0 0 to select parameter to confirm for next/previous unit to change parameter then 72
Service Menu Parameters Figure 58 Diagnostics / service mode parameters screen - Page 1 DIAGNOSTICS / SERVICE MODE (page 1 of 7) S301 S302 S303 S304 S305 S306 S307 S308 S309 S310 S311 UNIT 01 PASSWORD (Actual Level 0) HP 1 Alarm Code HP 2 Alarm Code HT 1 Alarm Counter HT 2 Alarm Counter LP 1 Alarm Code LP 1 Alarm Code Actual LP 1 Pressure Actual LP 2 Pressure Actual HP1 Pressure Actual HP2 Pressure ???? 0 0 0 0 0 0 psia psia psia psia to select parameter to confirm for next/previous unit then to chang
Service Menu Parameters Figure 59 Diagnostics / service mode parameters screen - Page 2 DIAGNOSTICS / SERVICE MODE (page 2 of 7) UNIT 01 S312 S313 S314 S315 S316 S317 S318 S319 S320 S321 S322 ???? No On Run Off Off 0% Off PASSWORD (Actual Level 0) Manual Mode Motors Compressor 1 Compressor 1 Capacity Compressor 1 Cycle Ramp Compressor 1 LLSV Compressor 2 Compressor 2 Capacity Compressor 2 Cycle Ramp Compressor 2 LLSV % to select parameter to confirm for next/previous unit then to change parameter M
Service Menu Parameters Figure 60 Diagnostics / service mode parameters screen - Page 3 DIAGNOSTICS / SERVICE MODE (page 3 of 7) S323 S324 S325 S326 S327 S328 S329 S330 S331 S332 S333 UNIT 01 PASSWORD (Actual Level 0) Electric Heat 1 (or HG/HW) Electric Heat 2 (or E .Heat 1) Electric Heat 3 (or E .Heat 2) SCR Heat Dehumidification Output Humidifier Fill Humidifier Humidifier Drain Humidifier Current ???? Off Off Off % Off Off Off 0.
Service Menu Parameters Figure 61 Diagnostics / service mode parameters screen - Page 4 DIAGNOSTICS / SERVICE MODE (page 4 of 7) S334 S335 S336 S337 S338 S339 S340 S341 S342 S343 S344 PASSWORD (Actual Level 0) Alarm Relay K11 Relay 3P 1/2 Actuator Open 3P 1/2 Actuator Close BV Control MBV Position Analog Out 1 Analog Out 2 Analog Out 3 Analog Out 4 UNIT 01 ???? Off Off On Off Off Off 0 0% 0% 8% 100% 0% to select parameter to confirm for next/previous unit then to change parameter Alarm Relay—This all
Service Menu Parameters Figure 62 Diagnostics / service mode parameters screen - Page 5 DIAGNOSTICS / SERVICE MODE (page 5 of 7) S345 S346 S347 S348 S349 S350 S351 S352 S353 S354 S355 Status Status Status Status Status Status Status Status Remote Shutdown Airflow Loss Motor Overload Filter Customer Input 1 Customer Input 2 Customer Input 3 Customer Input 4 UNIT 01 0–0 0/0 0–0 0/0 0/0 0/0 0/0 0/0 On Ok On Ok Ok Ok Ok Ok Loss of Airflow At to select parameter to confirm for next/previous unit then to
Service Menu Parameters Figure 63 Diagnostics / service mode parameters screen - Page 6 DIAGNOSTICS / SERVICE MODE (page 6 of 7) S356 S357 S358 S359 S360 S361 S362 S363 S364 S365 S366 Status Status Status Status Status Status HP1 LP1 C1 OL HP2 LP2 C2 OL UNIT 01 0/0 0–0 0–0 0/0 0–0 0–0 On Ok On Ok Ok Ok to select parameter to confirm for next/previous unit then to change parameter Status HP1—This shows the status of the unit’s compressor 1 high pressure switch input.
Service Menu Parameters Status DT3 (Room/Setpoint)—This indicates if the delta T between room return air temperature and unit air temperature setpoint has been met. Status Min CW—This indicates if the freecooling or chilled water temperature is below the minimum chilled water setpoint. LWD Value—(HPM only) On units with the optional analog Leakage Water Detector, this parameter will display percent leakage from 0-100%.
Service Menu Parameters Figure 66 Set alarms parameters screen - Page 2 SET ALARMS (page 2 of 7) S212 S213 S214 S215 S216 S217 S218 S219 S220 S221 S222 UNIT 01 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 Closed WARNING ACTIVATES ALARM DELAY Yes Water Alarm Shuts Unit
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.
Service Menu Parameters Figure 70 Set alarms parameters screen - Page 6 SET ALARMS (page 6 of 7) S262 S263 S264 S265 S266 S267 S268 S269 S270 S271 S272 S273 S274 UNIT 01 PASSWORD (Actual Level 0) DELAY CUSTOMER INPUT 1 2 CUSTOMER INPUT 2 2 CUSTOMER INPUT 3 2 CUSTOMER INPUT 4 2 CALL SERVICE 2 HIGH TEMPERATURE 2 LOSS OF AIR BLOWER 1 2 REHEAT LOCKOUT 2 HUMIDIFIER LOCKOUT 2 FC LOCKOUT 2 COMPRESSOR LOCKOUT 2 EN-DIS ENABLE ENABLE ENABLE ENABLE ENABLE ENABLE ENABLE ENABLE ENABLE ENABLE ENABLE ???? TYPE ALM A
Service Menu Parameters Figure 72 iCOM-DO Overview and Override - Page 1 iCOM-DO Overview and Override (pg 1 of 3) S720 PASSWORD (Actual Level 3) S721 iCOM-DO #0 S722 S723 S724 S725 Override #0 S726 S727 S728 S729 S730 UNIT 01 ???? connected no to select parameter to confirm for next/previous unit then to change parameter Liebert iCOM-DO—This parameter shows the connection status of a Liebert iCOM-DO card.
Service Menu Parameters Figure 74 iCOM-DO Events Setup - Page 3 UNIT 01 iCOM-DO Events Setup (pg 3 of 3) S742 S743 S744 S745 S746 S747 S748 S749 S750 S751 S752 PASSWORD (Actual Level 3) ???? Event Description ID Output # Status High Head Pressure C 1 No 9 0 High Head Pressure C 2 No 9 0 Loss of Airflow No 10 0 Change Filters No 11 0 Water Alarm No 12 0 Condensing Pump Alarm No 13 0 Glycool Status No 14 0 Unit On No 15 1 to select parameter to confirm for next/previous unit then to change parameter Fig
Service Menu Parameters Digital Scroll 2 NTC—This parameter adjusts the digital scroll 1 NTC reading from the actual sensor to compensate for any error or drift of the sensor. Calibrated Digital Scroll 2 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”.
Service Menu Parameters Figure 77 Sensor calibration / setup parameters - Page 3 SENSOR CALIBRATION/SETUP (page 3 of 3) S623 S624 S625 S626 S627 S628 S629 S630 S631 S632 S633 UNIT 01 PASSWORD (Actual Level 3) Freecool Sensor PTC or NTC Freecool Sensor Calibrated Freecool Sensor Supply Sensor PTC or NTC Supply Sensor Calibrated Supply Sensor Optional Sensor C 1 Calibrated Optional Sensor C 1 Optional Sensor C 2 Calibrated Optional Sensor C 2 ???? NTC +0°F °F NTC +0.0°F 51.2°F +0°F °F +0.
Service Menu Parameters Configuration Safe—This parameter saves or loads configuration 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 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 software. The internal file is updated every 12 hours automatically.
Service Menu Parameters Figure 80 System/Network setup parameters Unit- Page 1 UNIT 01 SYSTEM/NETWORK SETUP (pg 1 of 2) S823 S824 S825 S826 S827 S828 S829 S830 S831 S832 S833 PASSWORD (Actual Level 3) Monitoring Address Monitoring Timeout /Handshake No/ Unit Name ???? 3 0 Unit Configuration Safe Network Safe SW Version Changed No OK No PAL 1.04.010 .
Service Menu Parameters Figure 81 System/Network setup parametersUnit - Page 2 SYSTEM/NETWORK SETUP (page 2 of 2) S834 S835 S836 S837 S838 S839 S840 S841 S842 S843 S844 UNIT 01 PASSWORD (Actual Level 3) ???? Monitoring Protocol Velocity IP Address 192 .168.254.001 Netmask 255 .255.255.
Service Menu Parameters Figure 82 Options setup parameters - Page 1 OPTIONS SETUP (page 1 of 3) S401 S402 S403 S404 S405 S406 S407 S408 S409 S410 S411 PASSWORD (Actual Level 3) Compressor Sequence Low Pressure Alarm Delay Electric Stages Electrical Heaters Capacity Hot Water Heat On/Off Total Heat Stages LWD Connected Valve Control 2P Actuator Runtime 3P Actuator Direction UNIT 01 ???? min 3 No 3 No Feedback 165sec Direct to select parameter to confirm for next/previous unit then to change parameter C
Service Menu Parameters Figure 83 Options setup parameters - Page 2 OPTIONS SETUP (page 2 of 3) S412 S413 S414 S415 S416 S417 S418 S419 S420 S421 S422 UNIT 01 PASSWORD (Actual Level 3) Humidification Enabled Infrared Flush Rate Humidifier Steam Rate Humidifier Control Humidifier Bottle Flush Time Humidifier Bottle Manual Flush Dehumidification Enabled Auto Restart Enabled Single Unit Auto Restart On-Off Enabled ???? Yes 150% % sec No Yes 5sec Yes to select parameter to confirm for next/previous unit t
Service Menu Parameters Figure 84 Options setup parameters - Page 3 OPTIONS SETUP (page 3 of 3) S423 S424 S425 S426 S427 S428 S429 S430 S431 S432 S433 PASSWORD (Actual Level 3) CW Flush Freecooling Flush Hot Water Flush Ball Valve Setpoint Offset Heaters Outputs as CW Valve Control Main Valve Auto Valve Rotation Valve Rotation Hour Dehum Operation UNIT 01 ???? 24hrs 24hrs 0hrs +30psi Single Single to select parameter to confirm for next/previous unit then to change parameter CW Flush—This parameter s
Service Menu Parameters Table 14 Service contact info parameters Function Large Display Range Imperial (metric) Small Display Page 1 of 1 Password PASSWORD 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 Country Country 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 Addres
Ensuring The High Availability Of Mission-Critical Data And Applications. Emerson Network Power, the global leader in enabling business-critical continuity, ensures network resiliency and adaptability through a family of technologies—including Liebert power and cooling technologies—that protect and support business-critical systems. Liebert solutions employ an adaptive architecture that responds to changes in criticality, density and capacity.
