York DM 180 User Manual

262259-YTG-B-0107
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
TECHNICAL GUIDE
SINGLE PACKAGE GAS/ELECTRIC UNITS
AND SINGLE PACKAGE AIR
CONDITIONERS
DM 180, 240 & 300
15, 20 & 25 NOMINAL TONS
®
DESCRIPTION
YORK Sunline 2000™ units are convertible single package
high efficiency rooftops. All models have independent dual
refrigerant circuits for efficient part load operation. Although
the units are primarily designed for curb mounting on a roof,
they can also be slab-mounted at ground level or set on steel
beams above a finished roof.
All units include:
• Powder Paint finish that meets ASTM-B-117 1000 hour
salt spray standards
• Two-stage cooling provided by dual independent
refrigeration circuits with expansion valves, filter-driers,
high and low pressure/loss of charge switches and
freezestats
• Scroll compressors (25T model only)
• Two-stage heating provided by dual independent heat
exchangers with aluminized steel tubes, redundant gas
valves, spark ignition with induced draft logic
• Permanently lubricated motors
• Bottom or side air discharge configuration capability
(field convertible)
• Belt Drive Blower Motor with high static drive option
• Constant supply air volume (CV) with optional variable
air volume (VAV)
• Manufactured under the quality standards of ISO9001
• Simplicity® Control Board
• Zero-25% fixed air damper with hood
• Copper tube/aluminum fin coils
• Hinged filter access and tooless latched doors
• Rigging holes in base rails for lifting
• Single point power connection
• Complete factory package - tested, charged and wired
• CSA agency approvals on all units
WARRANTY
• One-year parts warranty
• A Five-year parts warranty on the compressors and
electric heat elements
• Ten-year parts warranty on the gas-fired heat
exchangers

York DM 180 Specifications

General

Brand	York
Model	DM 180
Category	Air Conditioner
Language	English

Summary

DESCRIPTION

WARRANTY

PRODUCT NOMENCLATURE

FEATURES

FACTORY-INSTALLED OPTIONS

Single enthalpy economizer

Economizer with enthalpy control for free cooling based on outdoor air conditions.

Power exhaust

Exhaust fan to prevent over-pressurization during economizer cooling.

Motorized outdoor air intake damper

Motorized damper for outdoor air intake, operates with supply air blower.

Phenolic coated evaporator and condenser coils

Special coating process for evaporator and condenser coils for maximum protection.

BAS - Building Automation System Controls

Simplicity® INTELLI-Comfort™™ CONTROL

York's intelligent control with sensors, programming, and demand ventilation.

Novar® BAS CONTROL

Novar ETC-3 controller with sensors and dirty filter indicator.

Johnson Controls BAS Control

Johnson Control YK-UNT-1126 controller with sensors and dirty filter indicator.

FIELD-INSTALLED ACCESSORIES

Roof Curbs

14-inch high full perimeter curb with wood nailer for roof mounting.

High Altitude Natural Gas

Orifices for proper furnace operation at altitudes up to 6,000 feet.

Propane Conversion Kit

Parts to convert natural gas furnace to propane fuel.

Side Duct Flange

Flanges for supply and return air duct connections for side duct applications.

Barometric Relief Damper

Relieves internal building air pressure on units with economizer.

High Speed Drive

Blower pulley and belt upgrade for higher CFM and static pressure.

Wood Skid

Allows unit handling with 90" forks for easier transport.

CO2 Sensor

Senses CO2 levels and overrides economizer when levels rise.

CONTROL WIRING

POWER WIRING

GUIDE SPECIFICATIONS

General

Overview of unit construction, features, certifications, and warranty.

Description

Unit types, capacities, installation, and basic design features.

Unit Cabinet

Cabinet construction, insulation, access panels, and filter track details.

Indoor (Evaporator) Fan Assembly

Belt-drive fan assembly with adjustable pulley, dynamically balanced.

Outdoor (Condenser) Fan Assembly

Direct-driven propeller fans with aluminum blades, dynamically balanced.

Refrigerant Components

Details on compressors, coils, and safety components like expansion valves.

Unit Controls

Low-voltage control circuit, lockout circuit, diagnostics, and operating characteristics.

Gas Heating Section (DM***N Models)

Induced draft combustion, energy-saving ignition, and safety controls for gas heat.

Electric Heating (DM***C/E Models)

Nickel chromium heating elements with primary limit controls and automatic reset.

Unit Operating Characteristics

Operational limits for outdoor temperature and fan time delay.

Other Pre-engineered Accessories Available

List of accessories like roof curbs, propane conversion kits, and duct flanges.

Other Factory Installed Options

List of factory-installed options such as economizers, smoke detectors, and BAS controls.