Trane Complete Guide to Purge Settings in the CVHE Manual

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Operator

Interface

Purge

Description	Units	Default
1. Purge Operating Mode	(Auto, On, Adaptive, Stop),	Adaptive
2. Daily Pumpout Limit	Minutes
3. Disable Daily Pumpout Limit	Hours
4. Purge Liquid Temperature Inhibit	(Enable, Disable),	Enable
5. Purge Liquid Temperature Limit	Temperature
Display Settings
Description	Units		notes
1. Date Format	(“mmm dd, yyy”, “dd-mmm-yyyy”), “mmm dd, yyy”
2. Date			4
3. Time Format	(12-hour, 24-hour), 12-hour
4. Time of Day			4
5. Keypad and Display Lockout	(Enable, Disable), Disable		5
6. Display Units	(SI, English), English
7. Language	(English, Selection 2, Selection 3), English		6

(1)Temperatures will be adjustable to 0.1 degree F or C. The Main Processor provides the minimum and maximum allowable value.

(2)Adjustable to the nearest whole number percent. The Main Processor provides the minimum and maximum allowable value.

(3)Terminates with 10 minutes if inactivity

(4)The Date and Time setup screen formats deviate slightly from the standard screens defined above. See the time and date section for further details.

(5)Enables a DynaView™ Lockout screen. All other screens timeout in 30 minutes to this screen when enabled. The DynaView™ Lockout Screen displays a 0-9 keypad to permit the user to exit the lockout with a fixed password (1-5-9 + Enter). See lockout setion for further details.

(6)Language choices are dependent on what has been setup in the Main Processor. Language selections will include English and qty 2 alternate as loaded by TechView™. Language shall always be the last setting listed on the Display Settings menu. This will allow a user to find language selection if looking at an unrecognizable language.

(7)Manual Compressor Control allows an operator to override the Auto Control and manually control the compressor while in operation. This is not active during Stop mode.

CVHE-SVU01E-EN

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Contents Operation Maintenance Read these carefully Contents Unit Nameplate General InformationLiterature change About this manualC0000000K01G14C10W1A03B1 CVHF091NAL00ACU2758W7E8TBControl Optional Packages Commonly Used AcronymsCvhf OverviewGeneral Information General Information Cvhf Compressor Cooling CycleCVHE, Cvhg pressure enthalpy curve Cvhf pressure enthalpy curve DynaView Human Interface TechView Chiller Service ToolCVHE, CVHF, and Cvhg sequence of operation running General Information Oil and Refrigeration Pump Surface TemperaturesOil refrigerant pump 20 100 percent RLA Base Loading Control AlgorithmGeneral Information Ice Machine Control Free Cooling Cycle Free Cooling Frcl Hot Gas Bypass Hot Water control Auxiliary Condensers Heat Recovery CycleControl Panel Devices and Unit Mounted Devices Unit Control Panel UCPUnit Control Panel UCP User-defined language support Variable water flow through the evaporatorDynaView main processor Operator InterfaceOperator Interface How It Works Chiller Stop Prevention/Inhibit FeatureTop Level Mode Description Minsec System ResetReference Main Screen Diagnostic Screen Back button provides navigation back to the chiller screen Operator Interface Condenser Report Items Units Reports Evaporator Report items UnitsPurge Report Items Units Compressor Report Items UnitsMotor Report Items Units RPM PPM Historic Diagnostics Log Ashrae Chiller Log Units RLAChilled Water Setpoint Chiller Feature SettingsMode Overrides Description Units Default Monitor ValueDisplay Settings Description Units DefaultPurge Operator Interface Operator Interface Operator Interface Operator Interface Operator Interface Binding Interprocessor CommunicationInter Processor Communications IPC3 IPC3 Definitions Bus ManagementControl System Components Control panel components layout and approximate dimensionsControl System Components Control Panel Devices Opst Machine Shutdown Manual Reset MMRHead Relief Request Output Compressor Running RelayExop Refrigerant Monitor Input 1A17Cdrp Condenser Refrigerant Pressure Output Frcl Free Cooling OptionHgbp Hot Gas Bypass Option Trmm TRM4 Tracer Comm 4 interfaceCondenser Pressure Output Temperature basedPressure based Refrigerant Differential Pressure Indication Output Gbas Gbas Generic Building Automation SystemPercent RLA Output Wpsr WFC Water Pressure Sensing Option Module CharacteristicsExternal Chilled Water Setpoint Ecws External Current Limit SetpointComm + 1A8, 1A9, 1A11, 1A12 Quad Relay Output Status1A13, 1A18, 1A19, 1A20 Dual Binary input module 1A14 Communication interface Module1A15, 1A16, 1A17, 1A21 Dual Analog Input/output Module Recommended Length to Run external Output signalsAnalog Input Unit mounted devices Electrical Sequence Control Sequence of OperationUCP and Wye-Delta Starter Control Circuits Delay time 200 msec. Opens 2K1 Control Sequence of Operation Test and start timing sequence AFD Machine Protection Adaptive Control Momentary Power Loss MPL ProtectionOverload trip time versus percent RLA Current Overload ProtectionCurrent Limit Protection Phase Loss ProtectionReverse Rotation Protection SoftLoading Differential to Start or StopMinimum and Maximum Capacity Limit Evaporator Limit Leaving Water Temperature CutoutMain Processor Software Revision 6.0 and higher Low Refrigerant Temperature CutoutCutout strategy Condenser Limit Evaporator Variable Flow CompensationClear Restart Inhibit Restart Inhibit Start to Start Time SettingRestart Inhibit Restart Inhibit Free StartsHigh Vacuum Lockout Oil Temperature Control Return Water Controls Chilled Water Reset CWROutdoor Air Temperature Maximum ResetEquation Values for start reset typesDegrees of Reset Constant ReturnOutdoor air temperature versus degrees of reset Reset RatioReset function for return CWR Reset Ratio = 50% Return CWR Unit Startup Unit Start-Up ProceduresDaily Unit Start-Up Seasonal Unit Start-Up Before changeover to heating modeLive Electrical Components Toxic HazardsSeasonal Unit Shutdown Unit Shutdown ProceduresUnit Shutdown Oil Pump Heater OperationRecord Keeping Forms Periodic MaintenanceDaily Maintenance and Checks Moisture ContaminationEvery 3 Months Weekly MaintenanceNormal Chiller Operating Characteristics Hazardous Voltage w/ CapacitorsAnnual Maintenance Off-Season MaintenanceCompressor Oil Change on Oil MaintenanceOil Change Procedure Heater DamageReplacing Oil Filter Oil Filter ReplacementLubrication MaintenanceOil Supply System Problems Other Maintenance RequirementsFront View with Refrigerant Pump Do not Leave Grease Fittings InstalledRefrigerant Charge Contains RefrigerantProper Water Treatment Recovery and Recycle ConnectionsLeak Testing Cleaning the CondenserControl Settings Adjustments Cleaning the EvaporatorUnit Corrosion Damage Unit Preparation Purge SystemHazardous Voltage w/ Capacitors 100 101 102 103 104 105 106 107 108 109 110 111 Trane