York DNH 048 - User Manual

CONTENTS
GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
RENEWAL PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . 13
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
TYPICAL WIRING DIAGRAM NOTES. . . . . . . . . . . . . 26
See the following page 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.
CAUTION: READ ALL SAFETY GUIDES BEFORE YOU
BEGIN TO INSTALL YOUR UNIT.
INSTALLATION
MANUAL
SAVE THIS MANUAL
AFFINITY™ SERIES
SINGLE PACKAGED GAS/ELECTRIC
AIR COOLED AIR CONDITIONERS
2-1/2 THROUGH 5 NOMINAL TON
282911-YIM-B-0807
DNH: 030 048
036 060
042
ISO 9001
Certified Quality
Management System

Summary

NOTES, CAUTIONS AND WARNINGS

GENERAL

INSPECTION

Procedure for inspecting the unit for damage during transit.

APPROVALS

Details on design certifications and listings by CGA and AGA.

INSTALLATION

LIMITATIONS

Adherence to national and local safety codes for installation.

LOCATION

Guidelines for selecting a suitable outdoor location for the unit.

RIGGING OR HANDLING

Instructions for safely moving and lifting the unit.

CLEARANCES

DUCT WORK

Adapting units for downflow use and duct connections.

FILTERS

Standard filter information and maintenance recommendations.

SERVICE ACCESS

Panels providing access to serviceable components.

THERMOSTAT

POWER AND CONTROL WIRING

Field wiring requirements for conformance with electrical codes.

GAS PIPING

GAS CONNECTION

Routing of the gas supply line and piping recommendations.

FLUE VENT HOOD

SEQUENCE OF OPERATION

HEATING

How the control board initiates and manages the heating cycle.

IGNITION TRIAL PERIOD

Duration the pilot gas valve and spark are energized.

LOCKOUT

Conditions under which the control board enters lockout and how to reset.

SAFETY CONTROLS

Lists the safety controls included in the control circuit.

START-UP

OPERATING INSTRUCTIONS

Steps for operating the unit, including turning it on and off.

York DNH 048 Specifications

General

Brand	York
Model	DNH 048
Category	Air Conditioner
Language	English