York Air Conditioner Manual and Nomenclature for Sunline 2000 Series
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262259-YTG-B-0107

®

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

FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE

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Contents Description Technical GuideTable of Contents Ton Sunline 2000 Model Number Nomenclature Product NomenclatureFeatures Unit Cutaway FACTORY-INSTALLED OptionsFor 5-hp motor applications FIELD-INSTALLED Accessories YTG-B-0107 Capacity Ratings ARI Sound Power RATING1GAS Heat Ratiings CAP.1 INPUT2 CFM MBH DM 180 Cooling Capacities 15 TONTotal Power Sensible CAPACITY, MBH DM 240 Cooling Capacities 20 TON 78.1 DM 300 Cooling Capacities 25 TON 49.2 AIR Temp Altitude Feet Altitude Correction FactorsALTITUDE/TEMPERATURE Conversion Factor Motor CFM Pulley Speed 6000 7000 8000 9000 9400 965 980 1025 1065 1125 1170 870 900 930 950 980 995 1015 7500 8750 10000 11250 12500 Blower Motor and Drive Data Power Exhaust PerformanceStatic RESISTANCES1 Compressors Heater Option MIN 300 DM 180, 240 Electrical Data with Powered Convenience Outlet None 139.3 175 E18 13.5 37.5 Physical Data DM Voltage LIMITATIONS1Electric Heat Correction Factors Supply FAN VFD WEIGHTS, in LBSFront View Rear View Dimensions Minimum Clearances Unit Dimensions DM180, 240 & 300 RainhoodCenter of Gravity Four and SIX Point Loads Unit Roof Curb Dimensions Typical Simplicity Control Wiring Diagram General Guide SpecificationsDescription Refrigerant Components Other Factory Installed Options YTG-B-0107

DM 180, DM 240, DM 300 specifications

The York DM series, including the DM 240, DM 180, and DM 300, represents a blend of efficiency, advanced technology, and reliability in the world of HVAC solutions. Designed for commercial and industrial applications, these models cater to diverse temperature control needs while maintaining energy efficiency.

The York DM 240 is engineered to provide powerful cooling and heating performance in a compact unit. It features a robust design that incorporates high-efficiency compressors and environmentally friendly refrigerants. The DM 240 boasts advanced microprocessor controls, allowing for precise temperature regulation and operational monitoring. This model is particularly known for its low noise levels, making it suitable for areas requiring a quieter environment.

The DM 180 model is similarly designed but tailored for smaller applications while still delivering exceptional energy performance. Enhanced with variable-speed fans, the DM 180 can adjust its airflow based on real-time demand, ensuring optimal comfort and reduced energy consumption. This unit also includes advanced diagnostic tools that streamline maintenance and troubleshooting, thus minimizing downtime.

The DM 300 stands out with its increased capacity and enhanced features for larger facilities. Known for its superior cooling efficiency, the DM 300 utilizes advanced inverter technology. This allows the system to vary the speed of the compressor and fans, resulting in significant energy savings and improved load matching. Additionally, the DM 300 incorporates smart connectivity features that enable remote monitoring and control via smartphone or PC, facilitating effortless management of your HVAC system.

All three models in the York DM series incorporate cutting-edge technologies, including enhanced filtration systems that improve indoor air quality by reducing airborne particles. These systems are designed to work seamlessly with modern building management systems, enabling integration and optimization of overall HVAC operations.

Durability is a noteworthy characteristic of the York DM series, as each unit is built with high-quality materials to withstand demanding environments. With easy access to components, maintenance is simplified, helping to extend the lifespan of the equipment.

In summary, the York DM 240, DM 180, and DM 300 models exemplify modern HVAC technology, combining efficiency, advanced features, and user-friendly interfaces for robust climate control solutions in any commercial or industrial setting.
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