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York D4CE 048 User Manual

York D4CE 048
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GENERAL
YORK Model DCE units are single package air conditioners
designed for outdoor installation on a rooftop or a slab. Electric
heaters are available as field-installed accessories.
The units are completely assembled on rigid, permanently
attached base rails. All piping, refrigerant charge, and electrical
wiring is factory-installed and tested. The units require only
electric power and duct connections at the point of installation.
The electric heaters have nickel-chrome elements and utilize
single point power connection.
INSPECTION
As soon as a unit is received, it should be inspected for possible
damage during transit. If damage is evident, the extent of the
damage should be noted on the carrier’s freight bill. A separate
request for inspection by the carriers agent should be made in
writing. Refer to Form 50.15-NM for additional information.
REFERENCE
Additional information on the design, installation, operation and
service of this equipment is available in the following reference forms:
55.70-N1 -General Installation
55.70-N2 -Pre-start & Post-start Check List
530.18-N1.2V -Economizer Accessory
530.18-N1.13V -Man. Outdoor Air Damper Accy 0-35%
530.18-N1.14V -Man. Outdoor Air Damper Accy 0-100%
530.18-N1.12V -Motorized Outdoor Air Damper Accy..
530.18-N1.8V -Coil Guard
530.18-N7.1V -Electric Heater Accessory
530.18-N7.2V -Fuse Block Accessory
690.15-N25V -Low Ambient to 0
°
F
Renewal Parts:
Refer to Parts Manual for complete listing of replacement
parts on this equipment.
All forms referenced in this instruction may be ordered from:
Publications Distribution Center
Unitary Products Group
P.O. Box 1592, York, PA 17405
APPROVALS
Design certified by U.L. and C.G.A. as follows:
1. For use as a cooling only unit or cooling unit with electric heat.
2. For outdoor installation only.
3. For installation on combustible material.
®
SUNLINE 2000
ELECTRIC / ELECTRIC
SINGLE PACKAGE AIR CONDITIONERS
INSTALLATION INSTRUCTION
Supersedes: 530.18-N7Y (993)
530.18-N7Y (295)
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
THIS PRODUCT MUST BE INSTALLED IN STRICT COMPLIANCE WITH THE ENCLOSED INSTALLATION INSTRUCTIONS
AND ANY APPLICABLE LOCAL, STATE, AND NATIONAL CODES INCLUDING, BUT NOT LIMITED TO, BUILDING, ELECTRI-
CAL, AND MECHANICAL CODES
WARNING
INCORRECT INSTALLATION MAY CREATE A CONDITION WHERE THE OPERATION OF THE PRODUCT COULD CAUSE
PERSONAL INJURY, PROPERTY DAMAGE AND/OR DEATH.
WARNING
DE-ENERGIZE THE ELECTRICAL POWER TO THE UNIT BEFORE ATTEMPTING TO INSPECT, REPAIR OR PERFORM
MAINTENANCE TO THE UNIT.
035-12855
MODELS D4CE 036, 048 & 060 (10 SEER)
MODEL D2CE 072 (9 EER)
(STYLE B & Belt-Drive Option)
CAUTION
SCROLL COMPRESSORS
OPERATE IN ONLY ONE
DIRECTION.
If the compressor is
experiencing:
- low amperage draw
- similar discharge and
suction pressure
- increased noise level
It is operating in reverse.
Switch two line voltage
connections to correct.
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York D4CE 048 Specifications

General IconGeneral
Cooling Capacity48, 000 BTU/h
Refrigerant TypeR-410A
Voltage208/230 V
Phase1
Sound Level (Outdoor Unit)74 dB

Summary

Installation Instructions Overview

Pre-Installation Checks and Approvals

Covers inspection for transit damage, referencing documentation, and unit approvals.

Critical Installation Safety Guidelines

Emphasizes strict compliance with codes and safety warnings for proper installation.

Installation Procedures

Unit Limitations and Location Selection

Specifies installation limitations and guidelines for choosing a suitable location.

Rigging, Clearances, and Ductwork

Details rigging, handling, clearances, and ductwork requirements for installation.

Unit Operation

Cooling and Heating Sequences

Explains cooling and heating sequences, safety controls, and heat anticipators.

Maintenance and Airflow Checks

Outlines normal maintenance procedures and checking supply air CFM.

Installation Specifics

Installation Limitations and Codes

Lists national and local safety codes that must be followed for unit installation.

Unit Location Guidelines

Provides guidelines for selecting a suitable outdoor installation location for the unit.

Rigging, Clearances, Ductwork, Filters

Details rigging, handling, clearances, ductwork, and filter installation requirements.

More Installation Details

Power and Control Wiring

Details wiring compliance, grounding, disconnect switches, and connector requirements.

Optional Economizer Rain Hood Assembly

Wiring Diagrams and Brackets

Typical Power Wiring Diagrams

Shows typical power wiring for single-phase and three-phase units.

Typical Control Wiring Diagrams

Illustrates control wiring for various thermostat types and economizer control.

Electric Heater Installation

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