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York Eco 2 User Manual

York Eco 2
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QUICK START-UP GUIDE
PACKAGED ROOFTOP
AIR CONDITIONING UNITS
New Release
Form 100.50-SU3 (1207)
Packaged Rooftop
Air Conditioning Units
YPAL 050
YPAL 051
YPAL 060
YPAL 061
DESIGN LEVEL F
SIMPLICITY CONTROL
TM
035-21972-200
ASHRAE
90.1
COMPLIANT
LD13271

Table of Contents

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York Eco 2 Specifications

General IconGeneral
BrandYork
ModelEco 2
CategoryAir Conditioner
LanguageEnglish

Summary

General Safety Guidelines

Safety Symbols and Alerts

Explanation of safety symbols used in the document to indicate potential hazards.

Document Changeability Policy

Model Nomenclature and Identification

YPAL Units Quick Start Guide

Occupied/Unoccupied Control Methods

Constant Volume Unit Operations

Thermostat Control - Cooling

Setup for cooling control using a thermostat in CV units.

Thermostat Control - Heating

Setup for heating control using a thermostat in CV units.

Space Sensor Control - Cooling

Setup for cooling control via space sensor in CV units.

Space Sensor Control - Heating

Setup for heating control via space sensor in CV units.

Stand Alone Control - Cooling

Setup for cooling control without external devices in CV units.

Stand Alone Control - Heating

Setup for heating control without external devices in CV units.

Variable Air Volume Unit Operations

Thermostat Control - Cooling (VAV)

Setup for cooling control using a thermostat in VAV units.

Thermostat Control - Heating (VAV)

Setup for heating control using a thermostat in VAV units.

Space Sensor Control - Cooling (VAV)

Setup for cooling control via space sensor in VAV units.

Space Sensor Control - Heating (VAV)

Setup for heating control via space sensor in VAV units.

Stand Alone Control - Cooling (VAV)

Setup for cooling control without external devices in VAV units.

Stand Alone Control - Heating (VAV)

Setup for heating control without external devices in VAV units.

Unit Options and Configurations

Economizer - Constant Volume (Dry Bulb)

Configuration for Constant Volume units with Dry Bulb economizer.

Economizer - Constant Volume (Single Enthalpy)

Configuration for Constant Volume units with Single Enthalpy economizer.

Economizer - Constant Volume (Dual Enthalpy)

Configuration for Constant Volume units with Dual Enthalpy economizer.

Economizer - VAV (Dry Bulb)

Configuration for VAV units with Dry Bulb economizer.

Economizer - VAV (Single Enthalpy)

Configuration for VAV units with Single Enthalpy economizer.

Economizer - VAV (Dual Enthalpy)

Configuration for VAV units with Dual Enthalpy economizer.

Economizer Loading Control

Configuration for economizer loading capabilities.

BAS Economizer Integration

Setup for integrating the unit with a Building Automation System.

Ventilation and Air Quality Settings

Fixed Minimum Ventilation

Setting for fixed minimum ventilation rates.

Demand Ventilation (IAQ)

Configuration for Demand Ventilation based on Indoor Air Quality.

Comfort Ventilation

Settings for comfort-based ventilation modes.

Supply Air Temperature and Ventilation Control

Excessive Supply Air Temp Control (Cooling)

Managing excessive supply air temperature during cooling.

Excessive Supply Air Temp Control (Heating)

Managing excessive supply air temperature during heating.

Low Ambient Ventilation Reset

Adjusting ventilation minimum position at low ambient temperatures.

Specialized Heating and Warm-up Features

Hydronic Heating Configuration

Setup and operation of hydronic heating systems.

Morning Warm-Up Feature

Configuration for the morning warm-up sequence.

Exhaust Fan Control Strategies

Exhaust Fan Control (Damper Position)

Controlling exhaust fan based on outdoor damper position.

Exhaust Fan Control (Building Pressure)

Controlling exhaust fan based on building pressure.

Exhaust Fan Modulating Control (Fixed Speed)

Modulating exhaust fan operation with fixed speed.

Exhaust Fan Modulating Control (VFD)

Modulating exhaust fan operation using a Variable Frequency Drive.

System Alarms and Lockouts

Pre-Occupancy Purge Function

Setup for pre-occupancy purge cycle.

Outdoor Air Heating Lockout

Disabling heating based on outdoor air temperature.

Hot Gas Bypass Operation

Configuration and function of the hot gas bypass.

Space Temperature Alarms

Setting up alarms for space temperature deviations.

SAT Alarm for Heating

Setting up alarms for supply air temperature during heating.

SAT Alarm for Cooling

Setting up alarms for supply air temperature during cooling.

Intelli-Start Feature

Configuration for the Intelli-Start operation feature.

Space Sensor Setpoint Adjustment

Adjusting setpoints using the space sensor.

Remote Control Integration

Connecting and configuring remote control inputs.

Dirty Filter Indicator

Setup for the dirty filter switch and indicator.

Operational Modes and Settings

Metric Operation Mode

Enabling and configuring the unit for metric measurements.

Appendix 1: User Interface and Programming

Unit Controller Interface Overview

Description of the buttons and displays on the unit controller.

Button Functions and Navigation

Explanation of how to use the Test/Up, Address/Down, and Alarm/Change buttons.

Parameter Addresses and Codes

Reference for control function addresses and their settings.

Field Control Wiring Connections

Appendix 2: Factory Run Test Procedure

General Information on Run Test

Overview of the factory QA check and field test utility.

Initiating the Run Test

Steps to start the unit controller's run test sequence.

Run Test Sequence Steps

Detailed steps of the automated operational test sequence.

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