EmersonメーカーLiebert iCOMの使用説明書/サービス説明書
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Precision Cooling For Business -Critic al C ontinuity™ Li eber t ® iC OM ™ Us er Man ual - In te llige nt C o mmunic a tions & Monitorin g.
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i T ABLE OF CONTENTS 1.0 I NTRODUCTI ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii 3.9 Next Maintenance Calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 3.9.1 Calculation of N ext Maintenance and Di agnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iii FIGURES Figure 1 Liebert iCO M components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2 Liebert iCO M display components . . . . . . . . . . . . . . . . . . . . . . . .
iv TA B L E S Table 1 Keyboard icons and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Table 2 User menu icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introd uction 1 1.0 I NTRODUCTION The Liebert iCOM ™ control offers the highest capabilities in unit control, co mmun ication and moni- toring of Liebert missio n-critical cooling units.
Liebert iCOM Displ ay Component s and Functions 2 2.0 L IEBERT I COM D ISPLAY C OMPONENT S AND F UNCTIONS The small an d the large displa y have a common k ey layout, as show n in Figure 2 . Figure 2 Liebert iCOM display component s NOTE The Help key may be pressed at any time for a brief explanation of what is being viewed.
Liebert iCOM Displ ay Component s and Functions 3 T able 1 Keyboard icons and fun ctions 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.
Liebert iCOM Displ ay Component s and Functions 4 Figure 3 St atus menu, large display , graphical view Figure 4 Liebert iCOM default screen symbols Evaporator Fan Speed T emperature Setpoint Humidity.
Liebert iCOM Displ ay Component s and Functions 5 2.1 Navigating Through the Liebert iCOM Menus Liebert iCOM sho ws icons and text for monitorin g and controlling your Liebert co oling units or net- work of cooling units. The numbe r of icons and am ount of text shown depe nds on the display size.
Liebert iCOM Displ ay Component s and Functions 6 2.1.3 Entering a Password To change the value of a paramete r in a menu, you must first enter the password for that menu. The User, Service and Advanced menus each has a un ique password to prevent unauthorized changes.
Liebert iCOM Displ ay Component s and Functions 7 Figure 6 Menu tree—Large display , stand-alone St at us M enu – Syst em Vi ew St at us M enu Un i t 1 V i ew Use r M enu U n it 1 Passw o r d Set .
Liebert iCOM Displ ay Component s and Functions 8 2.1.4 Viewing Multiple Unit s with a Networked Large Display When you first wake up the control, press the Esc key to ret urn to the System v i ew S t a t u s me n u . T h i s view shows an average of all the units on the networ k and any alarms present.
Liebert iCOM Displ ay Component s and Functions 9 Figure 8 User menu icons T able 2 User menu icons Icon Name Description Available On Displ ay Setpoints View and change temperature an d humidity setp.
Liebert iCOM Displ ay Component s and Functions 10 Sleep Mode Allows setback se ttings for non-peak operation Small & Large Service Contact Info Contains key co ntact information for local service.
Liebert iCOM Displ ay Component s and Functions 11 Figure 9 Service menu icons T able 3 Service menu icons Icon Name Description Available On Display Setpoints To view and change temperatur e a nd hum.
Operation 12 3.0 O PERATION The Liebert iCOM display for yo ur Liebert cooling unit features an easy-to-use, menu -driven liqu id crystal display (LCD). All unit settings and parame ters can be viewed and adjusted through three menus: User, Service and Adva nced.
Operation 13 Autorest art When there is a loss of power to the cooling unit an d power comes back, the u nit will return to its pre- vious operating status—on if it was on be fore the power off, off if it was off.
Operation 14 3.1.3 General Compressor Requirement s Low-Pressure Time Dela y When the compressor starts, the low- pressure input is ignored for a se lected period of time based on the setting of the Low Pressure Al arm Delay (Service Menu, Op tions Se tup).
Operation 15 Digit al Scroll High T emperature A protective maximum operating compressor temperatur e limit is imposed on units with digital scroll compressor(s) with thermi stor.
Operation 16 3.2 Motorized Ball V alve in Digit al Scroll Unit s On digital scroll units, discharge pressure is cont rolled by a motorized ball valve. Durin g unloaded operation, pressure changes duri ng each digital cy cle could cause a pressure-controlled water regulat- ing valve to open and close an excessive number of times.
Operation 17 3.3 T emperature Control—Single Sour ce Cooling (No Extra Cooling Coil) 3.3.1 T empe rature Proportional Band The control uses the te mperature proport i onal ban d to determine which operation to perform (cool- ing/heating) and how intensely to perform it.
Operation 18 3.3.2 Compressor Control Depending on the ty pe of Liebert air conditioning unit you have your unit may contain one or two compressors with or without unloaders.
Operation 19 Two Compressors With Unloaders—Four-Step The first two-step compressor is st arted unloaded at 33% calculated outpu t from the temperature pro- portional band and stoppe d at 17%. At 80% Co mpressor 1 will be loaded, at 70% unloaded. The second compressor starts unloaded at 63% and stops at 47%.
Operation 20 Digital Scroll Compressors A compressor with a suction cutoff unloader can only modulate its ca pacity between tw o distinct lev- els: fully loaded and half loaded. A digital scro ll compressor can modulate its capacity anywhere between 10-100%.
Operation 21 3.3.3 Chilled W ater Control The chilled water control valve is adjusted proportionally as the temperature control varies the requirement for cooling from 0% to 100%.
Operation 22 The Value setting is the factory defa ul t setting on fr ee-cooling and du al cooling units. If the tempera- ture differen ce between the second source cooling fl uid parameter, Free -coo.
Operation 23 GL YCOOL ™ Cooling—Free-Cooling When GLYCOOL cooling is available, the temperatur e control will calculate a total cool ing requir e- ment of 200% rather than 100%. Assuming that full GLYCOOL capacity is available, the GLYCOOL valve opens proport i onally as the requirement for cool ing rises from 0 to 100%.
Operation 24 Figure 19 Three-st age heating 0% H eati ng 65 70 H eat 3 On ½ D ead - ban d 66 67 68 69 H eat 2 On H eat 1 On H eat 3 Off H eat 2 Off H eat 1 Off -100 % H eati ng ½ Proport i ona l B a.
Operation 25 3.5.2 SCR Reheat SCR reheat is a type of electric reheat that prov id es tighter temperature cont rol than staged electric reheat. SCR reheat capacity modulation is achieved by pul sing the reheat On and Of f. Full capacity is achieved by constantly energizing the reheat.
Operation 26 Standard Mode In Standard mode, the SCR reheat operates only when the Temperature Proportional Band calls for heating. SCR reheat output is ad justed proportionally as the Temp erature Proportional Band varies the requirem ent for heating from 0% to -100%.
Operation 27 3.6 Humidity Control The control uses the humi dity proportio nal band to determine whi ch operation to perfo rm (dehumidi- fication/humid ification) and how i ntensely to perfor m it. The Humidity Proportional Band is a user defined range that is divi ded into two equal parts for dehumidify ing and humidifying.
Operation 28 3.6.1 Humidification Infrared Humidifier There are two types of infrared hu midifiers: small pan (IFS) and large pan (IFL). The operating mode of each is similar, ho we ver, some of the vari ables or timings differ. Infrared humidifiers are started at 100% hu midification request, and stopped at 0%.
Operation 29 3.6.2 Dehumidification The Dehumidificat ion Enable parame ter (Service Menu, Options Setup) allows fo r enabling/disab ling the dehumidification function. A call for dehu midification is calc ulated in the same way as a cooling reque st.
Operation 30 Reheat During Dehumidification Hot gas reheat or hot water reheat will start as described in 3.5 - Temperature Control—Reheat , when the temperature decreases duri ng the dehumi difi cation process.
Operation 31 Intelligent – If Intelligent Control is se lected, the return air temperature/humidity is controlled at or near the setpoint. The percent temperature/humidity ad justment required is calculated based on logic that is programmed into the control.
Operation 32 3.7.3 Supply Limit—Optional Chilled water units may be ordered with an addition al sensor for monitoring the supply air tempera- ture. This sensor maintains the minimum air temperature under a ra ised floor to help prevent con- densation from forming.
Operation 33 3.7.5 User Input s / Customer Input s The user can co nnect and specif y up to four inpu ts depending on u nit configuration. The user inputs/customer inputs are digital inputs that influence the operatin g mode of the unit depending on the selection.
Operation 34 3.7.6 Event T y pes and Properties Liebert iC OM events are used to info rm the user o f 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.
Operation 35 T able 8 Possible event settings—so m e event s not available in all unit s Event Internal Delay (Before Action Occurs) Default Delay / Selectable (Before Action Occurs) Type (default) .
Operation 36 3.8 P OSSIBLE E VENT N OTIFICATIONS Table 9 lists alarms and warnings that may occur in a cooling unit. When any of these occur, they will appear on t he Liebert iCOM S tatus menu and will be recorded in th e Liebert iCOM Event log.
Operation 37 3.9 Next Maintenance Calculation The next maintenance calcul ation, as well a s the incl uded di agnostics feature, will help run th e cool- ing unit optimally to ensure mi nimum component stress resulting in maximum reliability.
Operation 38 Parameters for Next Maintenance Calculation General Maintenance Settings • Maintenance Frequency —c an be set as one to 12 months or to zero, which di sables mainte- nance calculation • Max.
T eam work 39 4.0 T EAMWORK Unit-2-Unit (U2U) Communications via a private network wi ll allow the following functi ons to be placed i nto operati on when th e requiremen t exis ts. The user must instal l the correct hardware (see 5.0 - Installing a Liebert iCOM Unit-to -Unit Network ) and properly program the units for the selected functionality .
T eam work 40 The number of available units is calculated like: • In non-standby configura tion: all units with fan on • In typical standby function (no cascade): all uni ts with fan on • In cascade mode: all units that could operate (no al arm, which forces the uni t to switch off, unit not switched off, etc.
T eam work 41 4.1.4 T eamwork Mode 2 Teamwork Mode 2 is designed to prevent units wi thin a group from working against each other or “fighting.” It is bes t applied in large rooms with un balanced heat loads.
Installing a Lieb ert iCOM Unit-to -Unit Network 42 5.0 I NST ALLING A L IEBERT I COM U NIT - TO -U NIT N ETWORK Connecting multipl e Liebert iCOM-controlled coolin g units in an Ethernet Unit-to- Unit (U2U) net- work enables the units to work to gether to achieve efficient coolin g and humidity control of the condi- tioned space.
Installing a Lieb ert iCOM Unit-to -Unit Network 43 5.3 Wiring for Unit-to- Unit Communications—U2U Cooling units come from the factor y-wired for stand-alone operati on. Liebert iCOM U2U Ethernet Network The Liebert iCOM U2U network must be isolated fr om other netwo rk traffic.
Installing a Lieb ert iCOM Unit-to -Unit Network 44 5.3.1 Wiring a Liebert iCOM U2U Network Small Displays Two cooling units, each with a small display : To network two cooling units, each with a small display, connect a crossover CAT5 ca ble between the P64 connectors on each cooling unit’s Liebert iCOM input/output board.
Installing a Lieb ert iCOM Unit-to -Unit Network 45 Figure 25 Wiring a small display for st and-alone operatio n Figure 26 Wiring a small display for U2U network operation 182964 Page 1 Rev.
Installing a Lieb ert iCOM Unit-to -Unit Network 46 Figure 27 Wiring a large display for st and-alone operation Figure 28 Wiring a large display for U2U network oper a tion 182964 Page 2 Rev.
Installing a Lieb ert iCOM Unit-to -Unit Network 47 Figure 29 Liebert iCOM inpu t-output control b oard Liebert vNSA The Liebert vNSA is designed to connect multiple Liebert iCOM control devices. The Liebert vNSA contains either one or two powered industrial rail switches.
Installing a Lieb ert iCOM Unit-to -Unit Network 48 Figure 30 Liebert vNSA with op tional remote la rge display 5.4 External Communications—Building Ma nagement Systems, Liebert SiteScan ® Liebert .
Mounting a Large Display on a W all 49 6.0 M OUNTING A L ARGE D ISPLAY ON A W ALL 6.0.1 Location Considerations Consider these factors before beginning work on a wall -mount install ation: • Power supply—Liebert iCOM requires an electr icity source.
Mounting a Large Display on a W all 50 Figure 31 Liebert iCOM dis play dimensions Rev. 0 1.92" (49mm) 4.17" (106mm) 4.13" (105mm) Primary Mounting Method BACK VIEW DPN000800a FRONT VIEW SIDE VIEW 3.14" (80mm) 5.2" (132mm) 4.52" (115mm) 1.
User Menu Parameters 51 7.0 U SER M ENU P ARAMETERS User menus report general coolin g unit operations and status. The password for th e user menu is 1490 .
User Menu Parameters 52 T able 16 Set alarms p arameters Function Read/ Write Range Imperial (met ric) Large Display Small Display Page 1 of 1 Password PASSWORD W - Return Sensor Alarms RTN SNSR W Ena.
User Menu Parameters 53 Active Alarms Permits viewing al l current, active alarm s. Daily Low Humidity Lo Humi R 20-80% Daily Low Humidity Lo Hu H Lo Hu M Lo Hu S R - -- - - -- - - -- - - -- - - -- - .
User Menu Parameters 54 T able 20 T otal run hours p arameters Function Read/ Write Range Imperial (m etric) Large Display Small Display Page 1 of 1 Actual Hours / Limit - - - Fan Motor(s) MOTOR(S) W .
User Menu Parameters 55 Timer Mode Type TIME TYP W System Off, DeadBand Dead Band DEADBAND W 4-27°F (2-15°C) T able 22 Ser vice cont acts p arameters Function Read/ Write Range Imperial (metric) Lar.
Service Menu Parameters 56 8.0 S ERVICE M ENU P ARAMETERS Service menus allow custo mized settings for site op erations. The password fo r service menu parame- ters is 5010.
Service Menu Parameters 57 Unit Diary—Large Display Only Shows all entered program changes an d maintenance perform ed on the unit. VSD Setpoint VSD SET W 0-100% Page 4 of 5 Password PASSWORD W - VS.
Service Menu Parameters 58 See 3.9.1 - Calcul ation of Next Maintenanc e and Diagn ostics for details on these menus. T able 25 S tandby sett ings / lead-lag p arameters Function Read/ Write Range Imp.
Service Menu Parameters 59 Compressor1 Settings (Page 3 of 8) Password PASSWORD W - Number of Starts STARTS W 0-32000 Run Hour s RUN HRS W 0-320 00 Average Run Time AVG RUN W 0-999 min Starts per Day .
Service Menu Parameters 60 El. Heater 2 Settings (Page 6 of 8) WELLNESS HEAT2 Password PASSWORD W - Number of Starts STARTS W 0-32000 Run Hour s RUN HRS W 0-320 00 Average Run Time AVG RUN W 0-999 min Starts per Day Best BEST W 1-240 Starts per Day Worst WORST W 1-240 Number of Alarms ALARMS W 0-32000 Actual Bonus BONUS R 0-12 El.
Service Menu Parameters 61 T able 27 Diagno stics / service mo de p arameters Function Read/ Write Range Imperial (metric) Large Display Small Display Page 1 of 7 Password PASSWORD W - HP 1 Alarm Code.
Service Menu Parameters 62 Password PASSWORD W - Alarm Relay ALM REL W Off, On FC Relay FC REL W Off, On 3P Actuator Open 3P OPEN W Off, On 3P Actuator Cl ose 3P CLOSE W Off, On BV Control BV CTRL W M.
Service Menu Parameters 63 Page 7of 7 Status Humidifier Problem HUM PROB R OK, Act Status DT1 (Outdoor/Glycol) DT1 R OK, Act Status DT2 (Glycol/Room) DT2 R OK, Act Status DT3 (Room/Setpoint) DT3 R OK,.
Service Menu Parameters 64 Page 2 of 7 Password PASSWORD W - Customer Input 1 CUST IN1 W Smoke Water Alarm C PMP Alarm Flow Alarm Stdby G Pmp Stdby Unit C-Input 1 C-Input 2 C-Input 3 C-Input 4 Rht Loc.
Service Menu Parameters 65 HIGH TEMP SENSOR A HTA W 0 - 9999 sec LOW TEMP SENSOR A LTA W 0 - 9999 sec HIGH HUM SENSOR A HHA W 0 - 9999 sec LOW HUM SENSOR A LHA W 0 - 9999 sec ENABLE - DISA B -- - MAIN.
Service Menu Parameters 66 ENABLE - DISAB - - - COMP 1 OVERLOAD OL1 W Disabled, Enab led COMP 2 OVERLOAD OL2 W Disabled, Enab led COMP 1 HIGH PRESSURE HP1 W Disabled, Enab led COMP 2 HIGH PRESSURE HP2.
Service Menu Parameters 67 COND PUMP-HIGH WATER CPH W Disabled , Enabled LOSS OF FLOW LOF W Disabled, Enabled STBY GLYCOL PUMP ON SGP W Disabled, Enabled STANDBY UNIT ON STB W Disabled, Enabled HUMIDI.
Service Menu Parameters 68 REHEAT LOCKOUT RL W Disabled , Enabled HUMIDIFIER LOCKOUT HL W Disabled , Enabled FC LOCKOUT FCL W Disabled, Enab led COMPRESSOR(S) LOCKOUT CL W Disabled, Enab led TYPE -- -.
Service Menu Parameters 69 TYPE -- - COMP 1 SHORT CYCLE SC1 W MSG, WRN, ALM COMP 2 SHORT CYCLE SC2 W MSG, WRN, ALM NO POWER NOP W MSG, WRN, ALM CONDENSER 1 FAILURE CN 1 W MSG, WRN, ALM CONDENSER 2 FAI.
Service Menu Parameters 70 Freecool Sensor PTC or NTC FC SNSR W PTC, NTC Freecool Sensor FC SNSR W ±18°F (±9.9°C) Calibrated Freecool Sensor CAL FC R 4-113°F (-15 to 45°C) Supply Sensor PTC or NTC SUP SNSR W PTC, NTC Supply Sensor SUP TEMP W ±18°F (±9.
Service Menu Parameters 71 Netmask — W Netmas k Range Gateway — W Gateway Range MAC — R MAC Range U2U Protocol — W GBP U2U Address — W 33-64 U2U Group — W 1-99 Bootloader Variables — R N.
Service Menu Parameters 72 Netmask W Netmask Range Gateway W Gateway Range MAC R MAC Range U2U Protocol W GBP U2U Address W 1-32 U2U Gro up W 1-99 Bootloader Variables R Not Available, Invalid, OK, Ch.
Service Menu Parameters 73 T able 32 Options setup p arameters Function Read/ Write Range Imperial (metric) Large Display Small Display Page 1 of 3 Password PASSWORD W - Compressor Sequence COMP SEQ R.
Service Menu Parameters 74 T able 33 Ser vice cont act info parameters Function Read/ Write Range Imperial (metric) Large Display Smal l Display Page 1 of 1 Password PASSWORD W - Country Country W Non.
Service Menu Parameters 75 Notes.
Service Menu Parameters 76.
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