York International XN SERIES User Manual

R-410A
XN SERIES
3 - 5 Ton
60 Hertz
5188238-YIM-D-0518
TABLE OF CONTENTS
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Installation Safety Information. . . . . . . . . . . . . . . . . . . . . . . 5
Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Power And Control Wiring. . . . . . . . . . . . . . . . . . . . . . . . . 13
Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Economizer Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Dry Bulb Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Single Enthalpy Changeover. . . . . . . . . . . . . . . . . . . . . . . 30
Dual Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . 30
Auto. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Free Cooling Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Power Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Checking Supply Air CFM. . . . . . . . . . . . . . . . . . . . . . . . . 42
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Sequence Of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 43
No Outdoor Air Options . . . . . . . . . . . . . . . . . . . . . . . . . 43
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . 44
Heating Sequence Of Operations . . . . . . . . . . . . . . . . . . . 45
Defrost Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Interval between Defrosts . . . . . . . . . . . . . . . . . . . . . . . 45
Forced Defrost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Safety Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Start-up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Smart Equipment™ Control Board Navigation Components 47
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Normal Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
LIST OF TABLES
1 XN036-060 Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . 6
2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 XN036-060 Unit Accessory Weights . . . . . . . . . . . . . . . . . 8
4 XN036-060 Unit Clearances . . . . . . . . . . . . . . . . . . . . . . 10
5 XN036-060 Utilities Entry . . . . . . . . . . . . . . . . . . . . . . . . 11
6 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8 XN036-060 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . 28
9 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . 30
10 Smart Equipment™ Economizer Board Details . . . . . . . 32
11 Altitude/Temperature Correction Factors . . . . . . . . . . . . 37
12 XN Blower Performance Side Duct . . . . . . . . . . . . . . . . . 39
13 XN Blower Performance Bottom Duct . . . . . . . . . . . . . . 40
14 Belt Drive RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . 41
15 Indoor Blower Specifications (Belt Drive) . . . . . . . . . . . . 41
16 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . 42
17 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . 43
18 Electric Heat Limit Setting . . . . . . . . . . . . . . . . . . . . . . . . 46
19 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . 46
20 Smart Equipment™ UCB Details . . . . . . . . . . . . . . . . . . 47
21 Cable for FC Buses and SA Buses in Order of
Preference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
LIST OF FIGURES
1 XN036-060 Component Location . . . . . . . . . . . . . . . . . . . 6
2 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5 XN036-060 Heat Pump/Electric Heat Front View Physical
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6 XN036-060 Fixed Outdoor Air Motorized Damper Rain
Hood Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 10
7 XN036-060 Disconnect Location . . . . . . . . . . . . . . . . . . 10
8 XN036-060 Unit Side Duct Openings . . . . . . . . . . . . . . 1 1
9 XN036-060 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . 11
10 Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
11 Compressor Restraining Bracket . . . . . . . . . . . . . . . . . . 13
12 Typical Field Control Wiring . . . . . . . . . . . . . . . . . . . . . . 15
13 SE-ECO1001-0 Economizer Controller . . . . . . . . . . . . . 3 2
14 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
15 Altitude/Temperature Correction Factors . . . . . . . . . . . . 37
16 Pressure Drop Across Coil . . . . . . . . . . . . . . . . . . . . . . . 42
17 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

York International XN SERIES Specifications

General

Brand	York International
Model	XN SERIES
Category	Heat Pump
Language	English

Summary

General

Safety Information

Read and follow safety instructions before installing the unit.

Limitations

Units must comply with NEC, local codes, and utility requirements.

Inspection

Inspect unit for damage during transit upon receipt.

Reference

Lists additional resources for information.

Renewal Parts

Approvals

Design certification by CSA for specific installation types.

Nomenclature

Installation

Installation Safety Information

Read and follow safety instructions before installing the unit.

Limitations

Units must be installed per codes and requirements.

Location

Guidelines for selecting a suitable location for unit installation.

Clearances

Critical clearances required for service and operation.

Rigging And Handling

Procedures for safely moving and lifting the unit.

Weights and Dimensions

Physical specifications for unit placement and support.

Unit Accessory Weights

Weight details for optional unit accessories.

Ductwork

Guidelines for designing and installing ductwork systems.

Condensate Drain

Proper plumbing of the condensate drain line.

Compressors

Information on the scroll compressors and their requirements.

Filters

Filter types, installation, and maintenance.

Power And Control Wiring

Field wiring requirements for power and control circuits.

Thermostat Wiring

Wiring guidelines for connecting the thermostat.

Indoor Air Quality - IAQ

How the IAQ sensor connects and affects unit operation.

Phasing

Proper electrical phasing for compressor and motor rotation.

Blower Rotation

Checking and correcting blower rotation direction.

Optional Electric Heat

Options/Accessories

Economizer/Motorized Damper and Rain Hood

Instructions for assembling economizer rain hood.

Power Exhaust/barometric Relief Damper and Rain Hood

Instructions for power exhaust/relief damper installation.

Economizer Sequences

Functions driving the economizer operation.

Economizer Minimum Position

Setting economizer minimum position for occupied mode.

Free Cooling

Available free cooling options and their operation.

Dry Bulb Changeover

Free cooling based on dry bulb temperature.

Single Enthalpy Changeover

Free cooling based on single enthalpy.

Dual Enthalpy Changeover

Free cooling based on dual enthalpy.

Auto Changeover

Automatic free cooling type determination.

Free Cooling Operation Details

How the unit operates during free cooling.

Power Exhaust

Setpoints

Adjustable settings for power exhaust control.

Inputs

Inputs used by the power exhaust control.

Outputs

Outputs controlled by the power exhaust system.

Operation

How the power exhaust system functions.

Economizer Controller

Economizer Board Details

Description of analog and digital terminals on the economizer board.

Belt Tension

Altitude/Temperature Correction Factors

Factors for adjusting performance based on altitude and temperature.

Drive Selection

Drive Selection Steps

Procedures for selecting blower drive and motor.

Blower Performance Example

Example illustrating blower performance data interpretation.

RPM Selection

Table for selecting motor sheave setting and RPM.

Indoor Blower Specifications

Specifications for belt drive indoor blowers.

Checking Supply Air CFM

Supply Air CFM Measurement

Steps to measure CFM using pressure drop across the coil.

Pressure Drop Across Coil

Figure illustrating pressure drop vs. CFM for unit selection.

Operation

Sequence of Operation

General sequence of heating and cooling operations.

Continuous Blower

Operation of the blower when set to continuous mode.

Intermittent Blower

Operation of the blower in AUTO mode with delays.

No Outdoor Air Options

Unit operation without outdoor air control features.

Economizer With Single Enthalpy Sensor

Economizer operation with single enthalpy sensing.

Economizer With Dual Enthalpy Sensors

Economizer operation using dual enthalpy sensors.

Economizer With Power Exhaust

Operation of economizer with power exhaust system.

Motorized Outdoor Air Dampers

Operation of units with motorized outdoor air dampers.

Cooling Operation Errors

High-Pressure Limit Switch

Action taken when high-pressure limit opens.

Low-Pressure Limit Switch

Action taken when low-pressure limit opens.

Evaporator Low Limit

Action taken when evaporator low limit sensor triggers.

Low Ambient Cooling

Unit operation in low ambient temperature conditions.

Safety Controls

Compressor Protection

Reset

How to reset cooling error messages and restore operation.

Heating Sequence Of Operations

With or Without Electric Heat

Heating operation with or without auxiliary electric heat.

Defrost Control

Defrost Initiation

Conditions for initiating a defrost cycle.

Defrost Termination

Conditions for ending a defrost cycle.

Interval between Defrosts

Time interval requirements between defrost cycles.

Forced Defrost

Automatic defrost cycle initiation.

Electric Heat Settings

Electric Heat Limit Setting

Table for electric heat limit switch settings.

Electric Heat Anticipator Setpoints

Table for electric heat anticipator settings.

Start-up (Cooling)

Prestart Check List

Checks to perform before starting the unit.

Operating Instructions

Steps to follow for unit operation after start-up.

Post Start Check List

Checks to perform after initial unit operation.

Smart Equipment™™ Control Board

Control Board Navigation Components

Accessing control points using LCD or MAP Gateway.

Unit Control Board Overview

Diagram and details of the UCB and its terminals.

Maintenance

Normal Maintenance

General maintenance tasks for the unit components.

Filters

Inspecting and replacing air filters for optimal airflow.

Motors

Maintenance for outdoor and indoor blower motors.

Outdoor Coil

Cleaning the outdoor coil for efficient heat transfer.

Safety Warnings

Design Application Information

Reference

General Inspection

Checklist items for general unit inspection.

Air Moving Inspection

Checklist for inspecting air movement components.

Exhaust Inspection

Checklist for powered and barometric relief exhaust.

Economizer Inspection

Checklist for economizer functionality and settings.

Operating Measurements - Air Flow

Electrical Data

Recording electrical data for unit components during operation.

Operating Measurements - Cooling

Refrigerant Safeties

Checks for refrigerant system safety and proper operation.

Operating Measurements - Gas Heating

Operational Measurements - Staging Controls

Final Inspection