York YCAL0028 Manuals

Manuals and User Guides for York YCAL0028. We have 2 York YCAL0028 manuals available for free PDF download: Installation Operation & Maintenance

AIR-COOLED LIQUID CHILLERS HERMETIC SCROLL STYLE E 50HZ 15-65 TON, Dual/Single Circuit

Brand: York | Category: Chiller | Size: 7 MB

AIR-COOLED SCROLL CHILLERS

Brand: York | Category: Chiller | Size: 6 MB

York YCAL0028 Manuals

York YCAL0028 Installation Operation & Maintenance (200 pages)

Table of Contents

Section 1 - General Chiller Information and Safety

Section 2 - Product Description

FIGURE 1 - Components Single System Units

FIGURE 4 - Control/Power Panel Components Dual System Units

TABLE 1 - Product Identification Number (Pin)

FIGURE 5 - Refrigerant Flow Diagram

Section 3 - Handling and Storage

Section 4 - Installation

FIGURE 6 - Chilled Liquid System

FIGURE 7 - Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch or Circuit Breaker

FIGURE 8 - Control Wiring

Section 5 - Technical Data

TABLE 3 - Voltage Limitations

TABLE 2 - Temperatures and Flows

FIGURE 9 - YCAL0019-0033 Heat Exchanger Flow, GPM

FIGURE 10 - YCAL0043-0066 Heat Exchanger Flow, GPM

TABLE 5 - Voltage Limitations

TABLE 9 - Electrical Data (English)

TABLE 11 - Voltage Range

TABLE 10 - Micro Panel Power Supply

FIGURE 17 - Power Circuit, Dual, Style D

FIGURE 22 - Dimensions - YCAL0019

FIGURE 23 - Dimensions - YCAL0022

FIGURE 24 - Dimensions - YCAL0028

FIGURE 25 - Dimensions - YCAL0033

FIGURE 26 - Dimensions - YCAL0043

FIGURE 27 - Dimensions - YCAL0046

FIGURE 28 - Dimensions - YCAL0052

FIGURE 29 - Dimensions - YCAL0056

FIGURE 30 - Dimensions - YCAL0066

TABLE 12 - Isolator Selection YCAL0019 - 0033 (Without Pump Package Option)

Section 6 - Commissioning

Section 7 - Unit Control Center

TABLE 13 - Status Key Messages Quick Reference List

TABLE 16 - Program Key Limits and Default

TABLE 17 - Setpoints Quick Reference List

TABLE 18 - Unit Keys Options Programming Quick Reference List

Section 8 - Unit Operation

FIGURE 41 - Setpoint Adjust

FIGURE 42 - Leaving Water Temperature Control Example

TABLE 19 - Sample Compressor Staging for Return Water Control

FIGURE 43 - YCAL0019 - YCAL0033 Fan Location (Typical)

TABLE 24 - YCAL0043 - YCAL0066 Condenser Fan Control Using Discharge Pressure

TABLE 25 - YCAL0043 - YCAL0066 Condenser Fan Control Using Discharge Pressure Only

TABLE 20 - Return Chilled Liquid Control for 4 Compressors (6 Steps)

TABLE 21 - Return Chilled Liquid Control for 4 Compressors (6 Steps)

TABLE 23 - YCAL0019 - YCAL0033 Condenser Fan Control Using Discharge Pressure Only

TABLE 22 - YCAL0019 - YCAL0033 Condenser Fan Control Using Discharge Pressure

FIGURE 44 - YCAL0043 - YCAL0066 Fan Location (Typical)

FIGURE 47 - Potentiometer Settings

FIGURE 45 - Typical VFD Location

FIGURE 46 - Liquid Line Sensing Bulb Location

FIGURE 53 - Inverter Wiring

FIGURE 52 - Inverter Power Wiring Schematic

FIGURE 54 - Typical VFD Enclosure Locations

FIGURE 55 - Typical VFD Enclosure Configurations

FIGURE 57 - Potentiometer Settings

FIGURE 56 - Inverter Power Wiring Schematic

TABLE 28 - YCAL0043-0066 VFD Low Ambient Option - Condenser Fan Control Operation

FIGURE 58 - Inverter Wiring

FIGURE 48 - Wiring

TABLE 26 - YCAL0019 - 0028 VFD Low Ambient Option - Condenser Fan Control Operation

FIGURE 50 - Typical VFD Enclosure Configurations

FIGURE 49 - Typical VFD Enclosure Locations

FIGURE 51 - Potentiometer Settings

TABLE 27 - YCAL033 VFD Low Ambient Option - Condenser Fan Control Operation

TABLE 29 - Compressor Operation - Load Limiting

Section 9 - Service and Troubleshooting

TABLE 31 - I/O Digital Outputs

TABLE 32 - I/O Analog Inputs

TABLE 33 - I/O Analog Outputs

TABLE 30 - I/O Digital Inputs

FIGURE 59 - Microboard Layout

TABLE 37 - Troubleshooting

Section 10 - Maintenance

TABLE 39 - ISN Transmitted Data

TABLE 41 - Real Time Error Numbers