York DL-10 - User Manual

INSTALLATION
MANUAL
CAUTION: READ ALL SAFETY GUIDES BEFORE YOU
BEGIN TO INSTALL YOUR UNIT.
SAVE THIS MANUAL
167791-BIM-B-0606
CONTENTS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . 5
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
RENEWAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
NOMENCLATURE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
START-UP (COOLING) . . . . . . . . . . . . . . . . . . . . . . . . . 65
START-UP (GAS HEAT) . . . . . . . . . . . . . . . . . . . . . . . . 66
TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . 73
See following pages for a complete Table of Contents.
NOTES, CAUTIONS AND WARNINGS
The installer should pay particular attention to the words:
NOTE, CAUTION, and WARNING. Notes are intended to
clarify or make the installation easier. Cautions
are given
to prevent equipment damage. Warnings
are given to alert
installer that personal injury and/or equipment damage
may result if installation procedure is not handled properly.
Tested in accordance with:
SINGLE PACKAGE AIR CONDITIONERS AND
SINGLE PACKAGE GAS/ELECTRIC UNITS
DL/DU -06, -07, -08, -10 and -12
6-1/2 TO 12-1/2 TON
(9.0 TO 11.5 EER)

York DL-10 Specifications

General

Brand	York
Model	DL-10
Category	Air Conditioner
Language	English

Summary

Installation Procedures

Installation Safety Information

Essential safety guidelines to follow before and during unit installation.

Preceding Installation Steps

Unit Location Selection

Rigging and Handling

Clearances for Operation and Service

Thermostat Wiring

Power and Control Wiring

Power Wiring Detail

Gas Connection Procedures

Phasing and Belt Tension

Blower Rotation Check

Supply Air Drive Adjustment

Cooling Operation Errors and Safety

Low Ambient Cooling and Limit Switch

Gas Heating Sequence of Operations

Ignition Control, Heating Stages, and Retry

Gas Heating Operation Errors

Limit Switches and Recycle Operation

Start-Up (Cooling) Procedures

Prestart Check List

List of checks to perform before starting the unit for cooling operation.

Operating Instructions

Gas Heat Start-Up Procedures

Manifold Gas Pressure Adjustment

Procedure for adjusting manifold gas pressure for both first and second stages of heating.

Checking Gas Input

Natural Gas Input Verification

Temperature Rise and Burner Adjustments

Charging the Unit

Troubleshooting Guide

DL;DU Flash Codes

Explains flash codes used by the UCB to indicate operational issues and alarms.

Cooling Troubleshooting

Blower Motor Operation Issues

Compressor #1 Operation Issues

Diagnoses why compressor #1 is not operating during cooling calls, checking for safeties.

Compressor Operation Troubleshooting

Compressor #2 Operation Issues

Diagnoses why compressor #2 is not operating during cooling calls, checking for safeties.

Compressor Operation Troubleshooting (cont.)

Compressor #1 Operation Issues (cont.)

Troubleshoots compressor #1 issues related to economizers, wiring, and ASCD.

Compressor #2 Operation Issues (cont.)

Troubleshoots compressor #2 issues related to economizers, wiring, and ASCD.

Gas Heat Troubleshooting

Blower Motor Operation Issues

Troubleshoots blower motor not energizing during heating calls.

Gas Heat Ignition and Flame Issues

Draft Motor and Ignition Issues

Diagnoses issues with draft motor operation, spark ignition, and gas valve.

Burner Flame Characteristics