Control Panel Devices | American Standard CH530 guide

Control System

Components

Control Panel Devices

Standard Devices

	Controls			Field Connection
Description	Package		Purpose	Point Terminals
1A1 Power Supply	Standard	#1	Converts 24 vac to 24 vdc	not for field use
1A2 Power Supply	(as required)	#2	Converts 24 vac to 24 vdc	not for field use
1A3 Dual Relay	Standard	Relay #1	Oil Heater Relay	not for field use
Output modules
1A4 Dual High	Standard		High Pressure Cutout	not for field use
Voltage Input
1A5 Quad Relay	Standard	Relay #1	Chilled water pump	J2-4 NO, J2-5 NC,
Output modules			(Relay #1)	J2-6 common
1A5 Quad Relay	Standard	Relay #2	Condenser water pump control	J2-1 NO, J2-2 NC,
Output modules			(relay #2)	J2-3 common
1A6 Dual High	Standard	Input 1	Condenser Flow Input	J2-2 Condenser water
Voltage Input				flow switch
1A6 Dual High	Standard	Input 2	Evaporator Flow Input	J3-2 Chilled water
Voltage Input				flow switch
1A7 High Power	Standard		Oil Pump and	not for field use
Output Relay			Refrigerant Pump
1A13 Dual LV Binary	Standard	Signal #1	External Auto Stop,	J2-1 Binary Input Signal #1,
input module				J2-2 Ground
1A13 Dual LV Binary	Standard	Signal #2	Emergency stop	J2-3 Binary Input Signal #2,
input module				J2-4 Ground
1A26 Temp Sensor	Standard		Compressor Motor	not for field use
Input
1F1	Standard		LLID Power Supply Transformer	not for field use
			Primary Circuit protection
1T1	Standard		Control Panel Power	not for field use
			Transformer ; 120:24Vac
1Q1	Standard		Circuit Breaker Compressor	not for field use
			Motor Controller Control Power
			Branch Circuit
1Q2	Standard		Circuit Breaker -	not for field use
			Purge System Branch Circuit
1Q3	Standard		Circuit Breaker –	not for field use
			Module [- LLID]
			Power Supply Branch Circuit
1Q4	Standard		Circuit Breaker -	not for field use
			Oil System Control
			Branch Circuit
1Q5	Standard		Oil Pump Motor Branch	not for field use
			Circuit protection
1X1 Terminal Block	Standard		Control Panel Terminal Block,	1X1-5 Chilled water flow
			Flow switch connections	flow switch input
				1X1-6 Condenser water flow
				switch input

54	CDHF-SVU01C-EN

Image 54

American Standard CH530 manual Control Panel Devices

Contents

X39640670030CDHF-SVU01C-EN Read these carefully Contents About this manual General InformationLiterature change 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 Software States Figure Power Up DiagramSoftware Operation Overview Diagram 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 Free Starts Restart Inhibit Start to Start Time SettingRestart Inhibit 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 Control Panel Devices and Unit Mounted DevicesUnit Control Panel UCP 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 Main Screen Chiller Operating ModeCircuit Operating Mode Main Screen Data Fields Table Diagnostic Screen Back button provides navigation back to the chiller screen Operator Interface Report Menu Reports Report name System Condenser Report name System EvaporatorReport name Circuit Evaporator Report name Circuit Condenser Historic Diagnostics Log Report name System Ashrae Chiller Log Setting Tab screens provides a user Header Screen Feature Settings Chiller Display Settings System Mode OverridesCircuit Mode Overrides Purge Operator Interface Operator Interface Operator Interface Operator Interface Operator Interface IPC3 Definitions Bus Management Interprocessor CommunicationInter Processor Communications IPC3 Binding Control System Components Control panel components layout Control System Components Control Panel Devices Maximum Capacity Relay Machine Shutdown Manual Reset MMRHead Relief Request Output Compressor Running Relay Refrigerant Monitor Input 1A17 Exop Trmm TRM4 Tracer Comm 4 interface Cdrp Condenser Refrigerant Pressure OutputEpro Enhanced Protection Condenser Pressure Output Temperature basedCdrp Refrigerant Pressure Output Option 1A15 Pressure based Refrigerant Differential Pressure Indication Output Gbas Generic Building Automation System Percent RLA Output External Current Limit Setpoint Module CharacteristicsExternal Chilled Water Setpoint Ecws Wpsr WFC Water Pressure Sensing Option 1A8, 1A9, 1A11, 1A12 Quad Relay Output Status 1A13, 1A18, 1A19, 1A20 Dual Binary input module1A14 Communication interface Module Recommended Length to Run external Output signals 1A15, 1A16, 1A17, 1A21 Dual Analog Input/output ModuleAnalog Input Unit mounted devices Control System Components Control System Components Control Sequence of Operation Electrical SequenceUCP and Wye-Delta Starter Control Circuits 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 Phase Loss Protection Current Limit ProtectionReverse Rotation Protection Differential to Start or Stop SoftLoadingMinimum and Maximum Capacity Limit 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 Maximum Reset Controls Chilled Water Reset CWROutdoor Air Temperature Return Water Constant Return Values for start reset typesDegrees of Reset Equation Reset Ratio Outdoor air temperature versus degrees of reset Reset function for return CWR Reset Ratio = 50% Return CWR Unit Start-Up Procedures Unit StartupDaily Unit Start-Up Seasonal Unit Start-Up Live Electrical ComponentsToxic Hazards Mode Oil Pump Heater Operation Unit Shutdown ProceduresUnit Shutdown Seasonal Unit Shutdown Moisture Contamination Periodic MaintenanceDaily Maintenance and Checks Record Keeping Forms Hazardous Voltage w/Capacitors Weekly MaintenanceNormal Chiller Operating Characteristics Every 3 Months Off-Season Maintenance Annual Maintenance Heater Damage Oil MaintenanceOil Change Procedure Compressor Oil Change Oil Filter Replacement Replacing Oil Filter Other Maintenance Requirements MaintenanceOil Supply System Problems Hazardous Voltage w/ Capacitors Rotary valve in drain position Front View with Refrigerant Pump Contains Refrigerant Refrigerant Charge Cleaning the Condenser Recovery and Recycle ConnectionsLeak Testing Proper Water Treatment Cleaning the Evaporator Control Settings AdjustmentsUnit Corrosion Damage Purge System Unit Preparation 103 104 105 106 107 108 109 110 111 112 113 114 115 Trane