Refrigerant Monitor Input 1A17, Exop | American Standard CH530

Control System

Components

EXOP Extended Operation Option

The following modules (1A17, 1A18, and 1A19) are provide when this control package is specified.

1A5 Quad Relay	EXOP	Relay #4	Ice Building Relay	J2-10 NO, J2-11 NC,
Output module				J2-12 common
1A17 Optional Dual Analog	EXOP	Signal #1	External Base Loading	J2-1 Output #1,
Input/Output Module			Setpoint input	J2-3 Ground
1A17 Optional Dual Analog	EXOP	Signal #2	Refrigerant monitor inputs	J2-4 Output #2,
Input/Output Module				J2-6 Ground
1A18 Optional Dual LV	EXOP	Signal #1	External Base Loading	J2-1 Binary Input Signal #1,
Binary input module			Enable or Disable input, points	J2-2 Ground
1A18 Optional Dual LV	EXOP	Signal #2	External Hot Water Control	J2-3 Binary Input Signal #2,
Binary input module			Enable or Disable input	J2-4 Ground
1A19 Optional Dual LV	EXOP	Signal #1	Ice Building Control	J2-1 Binary Input Signal #1,
Binary input module			Enable or Disable input point	J2-2 Ground

Refrigerant Monitor Input 1A17

Analog type input 4-20ma input signal to the 1A17 J2-4 to J2-6 (ground). This represents 0-100 ppm.

56	CDHF-SVU01C-EN

Image 56

American Standard CH530 manual Refrigerant Monitor Input 1A17, Exop

Contents

X39640670030CDHF-SVU01C-EN Read these carefully Contents General Information Literature changeAbout this manual Unit Nameplate General Information = 560 3 stage 935 2 stage Y = 500 3 stage 835 2 stage Commonly Used Acronyms Control Optional Packages Overview General Duplex unit components front view General Duplex unit components 2 stage compressor Cooling Cycle Compressor 1 or 2 2 Stage Pressure enthalpy curve 3 stage compressor Pressure enthalpy curve 2 stage compressor TechView Chiller Service Tool DynaView Human Interface Power Up Diagram Software Operation Overview DiagramSoftware States Figure Timeline Text Figures CDHE/F/G sequence of operation auto to running Staging Second Compressor On Staging Second Compressor Off Satisfied Setpoint CDHF/G sequence of operation lead 1/lag Fixed Sequence Compressor 2 / Compressor CDHE/F/G sequence of operation lead 2 lag Sequencing Balanced Starts and Hours CDHF/G sequence of operation equalize starts and hours Simultaneous Compressor Start/ Stop CDHF/G sequence of operation combined start Restart Inhibit Start to Start Time Setting Restart InhibitRestart Inhibit Free Starts Clear Restart Inhibit Surface Temperatures Oil and Refrigerant Pump Oil refrigerant pump circuit 1 or Base Loading Control Algorithm 20 100 percent RLA General Information Ice Machine Control Sequence of operation ice making running to ice making Hot Water control Unit Control Panel UCP Unit Control Panel UCPControl Panel Devices and Unit Mounted Devices Variable water flow through the evaporator User-defined language support Operator Interface DynaView main processor Operator Interface Chiller Stop Prevention/Inhibit Feature How It Works Top Level Mode Description System Reset Reference Chiller Operating Mode Circuit Operating ModeMain Screen Main Screen Data Fields Table Diagnostic Screen Back button provides navigation back to the chiller screen Operator Interface Report Menu Reports Report name System Evaporator Report name Circuit EvaporatorReport name System Condenser Report name Circuit Condenser Historic Diagnostics Log Report name System Ashrae Chiller Log Setting Tab screens provides a user Header Screen Feature Settings Chiller System Mode Overrides Circuit Mode OverridesDisplay Settings Purge Operator Interface Operator Interface Operator Interface Operator Interface Operator Interface Interprocessor Communication Inter Processor Communications IPC3IPC3 Definitions Bus Management Binding Control System Components Control panel components layout Control System Components Control Panel Devices Machine Shutdown Manual Reset MMR Head Relief Request OutputMaximum Capacity Relay Compressor Running Relay Refrigerant Monitor Input 1A17 Exop Epro Enhanced Protection Trmm TRM4 Tracer Comm 4 interfaceCdrp Condenser Refrigerant Pressure Output Temperature based Cdrp Refrigerant Pressure Output Option 1A15Condenser Pressure Output Pressure based Refrigerant Differential Pressure Indication Output Gbas Generic Building Automation System Percent RLA Output Module Characteristics External Chilled Water Setpoint EcwsExternal Current Limit Setpoint Wpsr WFC Water Pressure Sensing Option 1A14 Communication interface Module 1A8, 1A9, 1A11, 1A12 Quad Relay Output Status1A13, 1A18, 1A19, 1A20 Dual Binary input module Analog Input Recommended Length to Run external Output signals1A15, 1A16, 1A17, 1A21 Dual Analog Input/output Module Unit mounted devices Control System Components Control System Components UCP and Wye-Delta Starter Control Circuits Control Sequence of OperationElectrical Sequence Delay time 200 msec. Opens 2K1 Control Sequence of Operation Control Sequence Operation Test and start timing sequence AFD Momentary Power Loss MPL Protection Machine Protection Adaptive Control Current Overload Protection Overload trip time versus percent RLA Reverse Rotation Protection Phase Loss ProtectionCurrent Limit Protection Minimum and Maximum Capacity Limit Differential to Start or StopSoftLoading Leaving Water Temperature Cutout Evaporator Limit Low Refrigerant Temperature Cutout Head Relief Relay Cutout strategy Condenser Limit Restart Inhibit High Vacuum Lockout Oil Temperature Control Controls Chilled Water Reset CWR Outdoor Air TemperatureMaximum Reset Return Water Values for start reset types Degrees of ResetConstant Return Equation Reset Ratio Outdoor air temperature versus degrees of reset Reset function for return CWR Reset Ratio = 50% Return CWR Daily Unit Start-Up Unit Start-Up ProceduresUnit Startup Live Electrical Components Toxic HazardsSeasonal Unit Start-Up Mode Unit Shutdown Procedures Unit ShutdownOil Pump Heater Operation Seasonal Unit Shutdown Periodic Maintenance Daily Maintenance and ChecksMoisture Contamination Record Keeping Forms Weekly Maintenance Normal Chiller Operating CharacteristicsHazardous Voltage w/Capacitors Every 3 Months Off-Season Maintenance Annual Maintenance Oil Maintenance Oil Change ProcedureHeater Damage Compressor Oil Change Oil Filter Replacement Replacing Oil Filter Maintenance Oil Supply System ProblemsOther Maintenance Requirements Hazardous Voltage w/ Capacitors Rotary valve in drain position Front View with Refrigerant Pump Contains Refrigerant Refrigerant Charge Recovery and Recycle Connections Leak TestingCleaning the Condenser Proper Water Treatment Unit Corrosion Damage Cleaning the EvaporatorControl Settings Adjustments Purge System Unit Preparation 103 104 105 106 107 108 109 110 111 112 113 114 115 Trane