York YMC2 User Manual

JOHNSON CONTROLS
86
FORM 160.84-OM1
ISSUE DATE: 9/21/2017
SECTION 3 - OPTIVIEW™ CONTROL CENTER FUNCTIONS AND NAVIGATION
SLOT # DESCRIPTION
1799 Remote Modem Temperature Setpoint
1800 Selected Temperature Setpoint
1802 Remote Temperature Range
1803 Restart Temperature Offset
1804 Restart Temperature Offset
1805 Shutdown Temperature Offset
1806 Shutdown Temperature Setpoint
1818 Remote Digital Temperature Setpoint
SMART FREEZE PROTECTION
1815 Is Control Enabled
VARIABLE GEOMETRY DIFFUSER
8280 Active Stall Voltage
18305 Active Stall Voltage Type
18135 Mach Number
18137 Active High Limit
18138 Active Low Limit
8337 Stroke Calibration Complete
8338 VGD Stroke Calibration Command
8355 VGD Fault Code
8353 VGD Actuator Fault
8354 VGD Shutdown Command
17408 Discharge Pressure
VARIABLE SPEED DRIVE
2305 Motor Run
2306 Motor % FLA
3047 VSD Fault
18085 Input % Full Load Amps
2823 VSD Output Voltage
2822 VSD Output Frequency
20788 Max Chiller Frequency
2818 Input Power
2819 Input kW Hours
2878 L1 Voltage Total Harmonic Distortion
2879 L2 Voltage Total Harmonic Distortion
2880 L3 Voltage Total Harmonic Distortion
3014 L1 Input Current Total Demand Distortion
3015 L2 Input Current Total Demand Distortion
3016 L3 Input Current Total Demand Distortion
3017 Input kVA
2869 Input Power Factor
2306 Motor % Full Load Amps
20784 VSD Command
3051 VSD Control State
3050 VSD Inverter State
3058 Precharge Active
3044 DC Bus Regulating
SLOT # DESCRIPTION
3057 Precharge Complete
3027 DC Bus Voltage
2829 Cooling System
3053 L1 Input Voltage (Peak)
3054 L2 Input Voltage (Peak)
3055 L3 Input Voltage (Peak)
2872 L1 Input Voltage (RMS)
2873 L2 Input Voltage (RMS)
2874 L3 Input Voltage (RMS)
3008 L1 Input Current (RMS)
3009 L2 Input Current (RMS)
3010 L3 Input Current (RMS)
3018 Phase A Output Voltage (RMS)
3019 Phase B Output Voltage (RMS)
3020 Phase C Output Voltage (RMS)
3021 Phase A Output Current (RMS)
3022 Phase B Output Current (RMS)
3023 Phase C Output Current (RMS)
3031 Phase A Rectier Baseplate Temperature
3032 Phase B Rectier Baseplate Temperature
3033 Phase C Rectier Baseplate Temperature
3034 Phase A Inverter Baseplate Temperature
3035 Phase B Inverter Baseplate Temperature
3036 Phase C Inverter Baseplate Temperature
3029 Internal Ambient Temperature 1
3030 Internal Ambient Temperature 2
MOTOR MONITORING
3059 Motor Winding Phase A Temp Z1 End
3060 Motor Winding Phase A Temp Z2 End
3061 Motor Winding Phase B Temp Z1 End
3062 Motor Winding Phase B Temp Z2 End
3063 Motor Winding Phase C Temp Z1 End
3064 Motor Winding Phase C Temp Z2 End
19148 Average Winding Temperature
2362 Motor Housing Temperature
18361 Motor Housing Temperature Setpoint
18371 Motor Winding Temperature Setpoint
18362 Motor Cooling Valve Command
18396 Motor Cooling Control State
18397 Estimated Rotor Temperature
18398 Ambient Dew Point Temperature
CAPACITY CONTROL
2822 VSD Output Frequency
18023 HGBP Command
18041 Condenser Pressure Override Threshold
18042 Evaporator Pressure Override Threshold

York YMC2 Specifications

General

Brand	York
Model	YMC2
Category	Chiller
Language	English

Summary

System Fundamentals

Compressor Description

Details on the centrifugal compressor and impeller.

Motor Description and Bearings

Information on the permanent magnet motor and bearings.

Variable Speed Drive Functionality

How the VSD varies compressor speed.

OptiView™ Control Center Interface

The user interface for chiller operation.

Capacity Control Methods

How the chiller modulates capacity (VGD, VSD, HGBP).

System Operating Procedures

Chiller Start-Up Conditions

Necessary conditions for chiller to start.

Chiller Operation Overview

Description of chiller running and capacity control.

Chilled Liquid Control Setpoints

Setting and controlling chilled liquid temperature.

System Stopping Procedures

Procedures for normal and safety stops.

Fault Shutdowns and Clearances

Types of faults and how to clear them.

OptiView™ Control Center Functions and Navigation

Home Screen Functionality

The main display and its interactive elements.

System Screen Parameter Display

General chiller status and parameters.

Evaporator Screen Details

Specific evaporator parameters and setpoints.

Condenser Screen Details

Specific condenser parameters and controls.

Heat Pump Screen Operation Modes

Controls for heat pump functionality.

Compressor Screen Status Monitoring

Display of compressor operational data.

Magnetic Bearing Controller Screen

Overview of MBC parameters.

Magnetic Bearing Controller Details Screen

In-depth MBC parameter display.

Surge Screen Monitoring and Settings

Surge protection feature configuration.

Variable Geometry Diffuser Screen

VGD operational parameters.

Power Panel Screen Information

Details on the UPS and battery backup.

Capacity Controls Screen Parameters

Parameters related to chiller capacity control.

Variable Speed Drive (VSD) Screen

Overview of VSD operational parameters.

VSD Details Screen Functionality

Motor Details Screen Monitoring

Setpoints Screen Key Parameter Access

Centralized location for setting key parameters.

Setup Screen General Configuration Options

Schedule Screen Operation Programming

History Screen Fault and Shutdown Browsing

History Details Screen Data Display

Trend Screen Graphing Capabilities

Trend Setup Screen Configuration

Advanced Trend Setup Screen Trigger Logic

Display Messages Overview and Color Coding

Status Messages Reference Guide

Warning Messages Reference List

Cycling Shutdown Messages Explanations

VSD Operation

OptiSpeed Compressor Drive Overview

OptiSpeed Compressor Drive Features

OSCD Details for 0490 & 0774 Amp Drives

OSCD Details for 0490A, 0612A, 0730A, & 1278A Amp Models

OSCD and Chiller Operation (0490 & 0774 Amp Models)

OSCD and Chiller Operation (0490A, 0612A, 0730A & 1278A Amp Models)

Maintenance Procedures

Preventative Maintenance Schedule

Recommended daily, monthly, and yearly tasks.

Electrical Isolation for Safety

Operating Inspections Guide

Checking System for Refrigerant Leaks

Procedures for identifying refrigerant leaks.

Conduct Pressure Test Procedure

System Evacuation Process Steps

Methods for removing air and moisture.

Vacuum Dehydration Techniques

Achieving a dry system through vacuum.

Refrigerant Charging Guidelines

Procedures for adding refrigerant.

Checking Refrigerant Charge Accuracy

Compressor and Motor Maintenance Checks

Condenser and Evaporator Maintenance

Cleaning Evaporator and Condenser Tubes

Testing Evaporator/Condenser Tube Leaks

Automatic Battery Health Test Procedure