Manuals / Liebert / Home Audio / Stereo System

Liebert TM-10098 Isolation, Areas of Control, iCOM Control Training and Service Manual

Models: TM-10098

1 170

Page 116

iCOM Control Training and Service Manual

The temperature sensor senses a rise in temperature. The rise is transmitted to the Central Processing Unit (CPU). The CPU looks into its memory for information and instructions on what to do with the rise in temperature. The CPU then makes the decision to call for cooling.

Isolation

We use the opto-isolator and the triac to isolate areas of control and voltage. There are three areas of control and two voltage levels. Digital control comes from the microprocessor at 5 VDC and the other voltage level is 24 VAC. One voltage is used to turn on the triac and the other is used to operate the load device.

DIGITAL

Processor

5 VDC Signal

OPTO

5VDC Ground

CONTROL

Transformer Power 24 VAC

POWER

TRIAC

Load

Device

Transformer

Power 24 VAC

ISOLATIONISOLATION

Areas of Control

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Liebert TM-10098 service manual Isolation, Areas of Control, iCOM Control Training and Service Manual

Contents

Environmental Training and Service Manual TM-10098:Rev. 02/06Large Systems iCOM MicroprocessoriCOM Training & Service ManualiCOM Control Training and Service Manual Page iCOM Control Training and Service Manual Table of ContentsChapter 1 Temperature/ Humidity Control Chapter 4: General Troubleshooting Data Chapter 2: Programming FunctionsChapter 3: iCOM Hardware Connections iCOM Controls Training and Service ManualHow To Use The Schematics Electrical SchematicsGlossary of Terms Computer and Network TermsChapter Temperature and Humidity Control Programs Temperature Control Program TypesCooling and/ or Heating Required, in Percent % iCOM Controls Training and Service ManualiCOM Control Training and Service Manual MembershipKnowledge Base/Decision Making ConsequenceProportional + Integral PI Control iCOM Controls Training and Service ManualProportional P Control iCOM Control Training and Service Manual Proportional + Integral + Derivative PID ControliCOM Controls Training and Service Manual A suggested tuning procedure is as followsiCOM Control Training and Service Manual Temperature ControlOperations and Charts 2 Stage Compressorized Cooling – No Dead Band Temp Set Point + 1/2 Proportional BandiCOM Control Training and Service Manual 2 Stage Compressorized Cooling – With Dead BandSTAGECOMPRESSORS, UNLOADER STATE 4 Stage Compressorized Cooling – No Dead Band Temp Set Point + 1/2 Proportional Band4 Stage Compressorized Cooling – With Dead Band iCOM Controls Training and Service ManualSTAGE TEMPERATURE iCOM Control Training and Service Manual As the return air temperature increases Cooling 1, lead compressor unloaded, is activated at 72F or ½ of the dead band value plus 25% of the cooling control band. If the return air temperature continues to increase Cooling 2, lag compressor unloaded, will activate at 73F or ½ of the dead band value plus 50% of the cooling control band. If the return air temperature continues to increase Cooling 3, lead compressor unloaded, is activated at 74F or ½ of the dead band value plus 75% of the cooling control band. If the return air temperature continues to increase Cooling 4, lag compressor loaded, will activate at 75F or ½ of the dead band value plus 100% of the cooling control bandiCOM Controls Training and Service Manual 1 compressor operation Switch 2ndSwitch 1st compressor ON compressor ONiCOM Control Training and Service Manual Glycool at 100% Capacity – No Dead BandDual Source Cooling iCOM Controls Training and Service ManualGlycool at 50% Capacity – No Dead Band Dual Cooling at 100% Capacity – No Dead Band Staged Electric ReheatTemp Set Point - 1/2 Proportional Band iCOM Controls Training and Service Manual3 Stage Electric Reheat – No Dead Band 3 Stage Electric Reheat - With Dead Band iCOM Controls Training and Service Manual Humidity ControlHumidity Control Program Types iCOM Control Training and Service Manual HumidityHumidity ProportionalOperations and Charts Humidifier OperationiCOM Controls Training and Service Manual Relative Humidity ControlHumidity Set Point - 1/2 Proportional Band iCOM Control Training and Service ManualInfrared Humidification – No Dead Band iCOM Controls Training and Service Manual Infrared Humidification – With Dead BandiCOM Control Training and Service Manual Autoflush Control Flow ChartDehumidification Operation Humid Set Point: 50% iCOM Controls Training and Service Manual Humidity Set Point + 1/2 Proportional BandReheating during Dehumidification ParameterOperation iCOM Controls Training and Service ManualNo Normal Delayed Additional Programs StartAuto restart iCOM Control Training and Service ManualFan Alarm / Fan settings High Pressure CutoutSuction Pressure Transducer Call for CoolingiCOM Control Training and Service Manual The Startup and Freeze Protection ProgramNext Maintenance Calculation iCOM Controls Training and Service ManualCalculation of next Maintenance Parameters The Maintenance Calculation is done as followsiCOM Control Training and Service Manual Parameters for next Maintenance CalculationGeneral Maintenance Settings Shared Parameters an understanding iCOM Control Training and Service Manual Networking and FunctionsUnderstanding the iCOM Network setup process The Basics for Hardware The Basics for Cooling Unit PlacementiCOM Controls Training and Service Manual The Basic for ProgrammingiCOM Control Training and Service Manual Example: Display: Example: Control Board:Setting Parameters iCOM Controls Training and Service ManualUnit No. Unit No.iCOM Control Training and Service Manual PowerSwitch Unit No.iCOM Controls Training and Service Manual U2U:SwitciCOM Control Training and Service Manual Line S802: Number units connected: xx 01 -Teamwork iCOM Controls Training and Service ManualTeamwork Modes “No” TeamworkUnit Lead/ Lag or Running/ Standby Function iCOM Control Training and Service ManualTeamwork Mode Typical Lead/ Lag Running/ Standby FunctioniCOM Controls Training and Service Manual Standby & CascadeNotes iCOM Control Training and Service ManualChapter Programming FunctionsSmall Graphic Display with Panel Mount Bezel Optional Large Graphic Display with PaneliCOM Control Training and Service Manual iCOM Display Components and FunctionsiCOM Keyboard Layout iCOM Controls Training and Service Manual iCOM Keyboard LayoutIcon Key NameiCOM Display Symbols/ Icons iCOM Control Training and Service ManualProgramming Functions Status DisplayMenu Screens ICON Symbols Menu Parameters Names iCOM Control Training and Service ManualLevel 2: Service Level 1: UserUser Menu Icons and Descriptions iCOM Controls Training and Service ManualIcon NameService Menu Icons and Descriptions C/ FMenu Parameters Advanced Menu Icons and DescriptionsUser Menu Parameters iCOM Controls Training and Service ManualDefault User Menu: Spare Parts List, Large Display OnlyUser Menu: Set Point Parameters U100 series Menu LineiCOM Controls Training and Service Manual DefaultUser Menu: Graphics Parameters ParameterUser Menu: Set Alarm Parameters U200 series DefaultMenu Line ParameteriCOM Controls Training and Service Manual User Menu: Active Alarms Parameters ParameterUser Menu: Display Setup Parameters U400 series DefaultiCOM Control Training and Service Manual DefaultUser Menu Total Run Hours Parameters U500 series Menu LineiCOM Controls Training and Service Manual User Menu: Service Contacts U700 seriesMenu Line ParameterService Menu Parameters iCOM Control Training and Service ManualDefault Menu LineDefault Service Menu: Unit Diary Log ParameterMenu Line ParameteriCOM Control Training and Service Manual DefaultDefault Menu LineDefault DefaultMenu Line ParameteriCOM Control Training and Service Manual DefaultDefault Menu LineiCOM Controls Training and Service Manual DefaultDefault Parameters: Page 6 ofiCOM Control Training and Service Manual DefaultMenu Line ParameteriCOM Controls Training and Service Manual Menu LineParameter RangeiCOM Control Training and Service Manual Menu LineParameter RangeiCOM Controls Training and Service Manual DefaultService Menu Set Alarm Parameters DefaultiCOM Control Training and Service Manual Service Menu: Set Alarm Parameters: Page 3 ofService Menu Set Alarm Parameters Menu LineiCOM Controls Training and Service Manual Service Menu: Set Alarm Parameters: Page 5 ofService Menu Set Alarm Parameters Menu LineiCOM Control Training and Service Manual Menu LineParameter RangeiCOM Controls Training and Service Manual DefaultDefault Menu LineiCOM Control Training and Service Manual DefaultDefault Menu LineiCOM Controls Training and Service Manual DefaultDefault Menu LineiCOM Control Training and Service Manual DefaultDefault Menu LineAdvanced Menu Parameters iCOM Controls Training and Service ManualMenu Code ParameteriCOM Control Training and Service Manual DefaultDefault Menu CodeiCOM Controls Training and Service Manual DefaultDefault Menu CodeiCOM Control Training and Service Manual DefaultMenu Code ParameterDefault Menu CodeParameter RangeEvents Notifications Parameters iCOM Control Training and Service ManualType Description Large DisplayEvents Notifications Parameters continued iCOM Controls Training and Service ManualType Description Large DisplayiCOM Control Training and Service Manual Events Notifications Parameters continuedType Description Large DisplayEvents Notifications Parameters continued Event ID number, Description and FunctioniCOM Controls Training and Service Manual DefaultiCOM Control Training and Service Manual LOSS OFiCOM Controls Training and Service Manual HUM HRSUnit COMP iCOM Control Training and Service Manual DIG SCROLL2UNIT CODE iCOM Control Training and Service Manual MISMATCHChapter Control Board ConnectionsIntroduction iCOM Controls Training and Service ManualLarge Disdplay Small Display LCD Display BoardiCOM Control Training and Service Manual iCOM Controls Training and Service Manual Control Board DIP Switches and Plug ConnectorsUnit Mounted Control Board iCOM Control Training and Service Manual iCOM Control Board DIP Switch #2 SettingsConnector SettingiCOM Controls Training and Service Manual iCOM Control Board Jumper SettingsSetting Default SettingLarge Display Jumper Settings SettingDefault Setting Small Display DIP Switch #3 SettingsiCOM Controls Training and Service Manual Small Display Jumper SettingsSetting Default SettingDS Systems iCOM Control Training and Service ManualP4 24 VAC Power P8: 24 VAC Alarm InputsiCOM Controls Training and Service Manual P22 Glycool Valve Std. Pressure ActuatorP32: Compressor Devices P33: Compressor DevicesiCOM Control Training and Service Manual P38 Smoke DetectorP39: Firestat & Remote Shutdown P40: Basic Unit ConnectionsiCOM Controls Training and Service Manual P67: Temperature/ Humidity SensorsP65: Optional Intelleslot Power Suplly P64: Unit Large Display Digital SignalsFuse Board Layout: All Units iCOM Control Training and Service ManualP4: 24 VAC Power P41: 24 VAC PowerTemperature/ Humidity Board: All Units iCOM Controls Training and Service ManualTemperature/ Humidity Board P67: Return Air Temperature/ Humidity BoardNOTES iCOM Control Training and Service ManualGeneral Troubleshooting Data ChapterC P U iCOM Controls Training and Service ManualAreas of Control IsolationiCOM Control Training and Service Manual BASIC OPERATION OF THE TRIAC iCOM Controls Training and Service ManualSemiconductor Semiconductor Showing No Movement of ElectronsFront and Left Side Views of the Triac iCOM Control Training and Service ManualSchematic Drawing for the Triac Input Opto-Isolator Basic Operation of the Opto-IsolatorOutput Opto-Isolator Troubleshooting the Output Opto-Isolator iCOM Control Training and Service ManualOutput Opto-IsolatorPin Location OUTPUT VOLTAGE CHECKTroubleshooting the Input Opto-Isolator iCOM Controls Training and Service ManualInput Opto-IsolatorPin Location INPUT VOLTAGE CHECKAlarm Input Opto-IsolatorLegend Microprocessor Control BoardiCOM Control Training and Service Manual OptoControl Output Opto-IsolatorLegend Control Output Triac LegendiCOM Controls Training and Service Manual OptoiCOM Diagnostics / Service Mode Program iCOM Control Training and Service ManualBasic Troubleshooting Steps iCOM Controls Training and Service ManualProgramming DC Voltage checkiCOM Control Training and Service Manual If 24 VAC is present perform the followingMoisture Content Charts iCOM Controls Training and Service ManualiCOM Control Training and Service Manual Moisture Content at Temperature = 80F 26.7ºCGrains Per Cu Ft Grains Per LbiCOM Controls Training and Service Manual Moisture Content at Temperature = 79F 26.1ºCGrains Per Cu Ft Grains Per LbiCOM Control Training and Service Manual Moisture Content at Temperature = 78F 25.6ºCGrains Per Cu Ft Grains Per LbGrains Per Lb Moisture Content at Temperature = 77F 25.0ºCGrains Per Cu Ft Grains Per Lb Moisture Content at Temperature = 76F 24.4ºCGrains Per Cu Ft iCOM Controls Training and Service Manual Moisture Content at Temperature = 75F 23.9ºCGrains Per Cu Ft Grains Per LbGrains Per Lb Moisture Content at Temperature = 74F 23.3ºCGrains Per Cu Ft iCOM Controls Training and Service Manual Moisture Content at Temperature = 73F 22.8ºCGrains Per Cu Ft Grains Per LbiCOM Control Training and Service Manual Moisture Content at Temperature = 72F 22.2ºCGrains Per Cu Ft Grains Per LbGrains Per Lb Moisture Content at Temperature = 71F 21.7ºCGrains Per Cu Ft iCOM Control Training and Service Manual Moisture Content at Temperature = 70F 21.1ºCGrains Per Cu Ft Grains Per LbiCOM Controls Training and Service Manual Moisture Content at Temperature = 69F 20.6ºCGrains Per Cu Ft Grains Per LbiCOM Control Training and Service Manual Moisture Content at Temperature = 68F 20.0ºCGrains Per Cu Ft Grains Per LbGrains Per Lb Moisture Content at Temperature = 67F 19.4ºCGrains Per Cu Ft iCOM Control Training and Service Manual Moisture Content at Temperature = 66F 18.9ºCGrains Per Cu Ft Grains Per LbiCOM Controls Training and Service Manual Moisture Content at Temperature = 65F 18.3ºCGrains Per Cu Ft Grains Per LbSuction Transducer Information Codes A124-A128 iCOM Control Training and Service ManualiCOM Controls Training and Service Manual Digital Scroll High Temperature Sensor ChartNTC Code S606 and S608 FACTORY SERVICE TECHNICIAN Unit Code DescriptioniCOM Control Training and Service Manual Troubleshooting Checklist iCOM Controls Training and Service ManualGlossary of Unit and System Parameters User Menu iCOM Control Training and Service ManualSet Alarms CodeiCOM Controls Training and Service Manual Display SetupTimer CodeService Menu Service contactsStandby settings / Lead-lag Wellness / General SettingsiCOM Controls Training and Service Manual Fan SettingsCompr. 1 Settings Compr. 2 SettingsEl. Heater 3 Settings Humidifier SettingsDiagnostics / Service CodeiCOM Controls Training and Service Manual Set AlarmsCode TypeiCOM Control Training and Service Manual System / Network SetupOptions Setup CodeAdvanced Menu iCOM Controls Training and Service ManualService contacts Factory SettingsCode iCOM Control Training and Service ManualAccess Glossary of Terms iCOM Controls Training and Service ManualiCOM Control Training and Service Manual Hysteresis: DifferentialiCOM Controls Training and Service Manual Input: An incoming information signaliCOM Control Training and Service Manual Prefill: The period of time between when the water begins to fill the pan and the humidifier lamps turn onComputer and Network Terms iCOM Controls Training and Service ManualEthernet: A local-areanetwork LANarchitecture developed by Xerox Corporationin cooperation with DECand Intelin 1976. Ethernet uses a bus or star topologyand supports data transfer ratesof 10 Mbps. The Ethernet specification served as the basis for the IEEE 802.3 standard, which specifies the physicaland lower softwarelayers. Ethernet uses the CSMA/CDaccess method to handle simultaneous demands. It is one of the most widely implemented LAN standards iCOM Controls Training and Service Manual •the type of error checking to be usediCOM Control Training and Service Manual There are a variety of standard protocols from which programmerscan choose. Each has particular advantages and disadvantages; for example, some are simpler than others, some are more reliable, and some are faster. From a userspoint of view, the only interesting aspect about protocols is that your computeror device must supportthe right ones if you want to communicate with other computers. The protocol can be implemented either in hardwareor in softwareiCOM Controls Training and Service Manual Understanding IP Addressing: Every computer that communicates over the Internet is assigned an IP address that uniquely identifies the device and distinguishes it from other computers on the Internet. An IP address consists of 32 bits, often shown as 4 octets of numbers from 0-255represented in decimal form instead of binary form. For example, the IP address 168.212.226.204 in binary form is:Network Information iCOM Control Training and Service ManualWhat is networking?… HUBS AND SWITCHESTwisted pair - 10baseT - UTP Cable iCOM Controls Training and Service ManualUNIT IDENTIFICATION OR ADDRESSING How To Use The Schematics iCOM Control Training and Service Manual182769 Liebert DS iCOM Global Control 8 - 12 Ton Electrical SchematicsiCOM Controls Training and Service Manual iCOM Control Training and Service Manual