York DM 078 manual Technical Guide

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246645-YTG-C-0708

TECHNICAL	®
GUIDE

STANDARD EFFICIENCY

SINGLE PACKAGE AIR CONDITIONERS AND

SINGLE PACKAGE GAS/ELECTRIC UNITS

DM 078, 090, 102, 120 and 150

6-1/2, 7-1/2, 8-1/2, 10 and 12-1/2 NOMINAL TONS 9.0 EER

DESCRIPTION

YORK® Predator® units are convertible single packages with a common footprint cabinet and common roof curb for all 6-1/2 through 12-1/2 ton models. All units have two compressors with independent refrigeration circuits to pro- vide two stages of cooling. The units were designed for commercial applications and can be easily installed on a roof curb, slab, or frame.

All Predator® units are self-contained and assembled on rigid full perimeter base rails allowing for 3-way forklift access and overhead rigging. Every unit is completely charged, wired, piped, and tested at the factory to provide a quick and easy field installation.

All units are convertible between side and down airflow. A independent economizer design is used on side and down discharge applications, as well as all tonnage sizes.

Predator® units are available in the following configura- tions: cooling only, cooling with electric heat, and cooling with gas heat. Electric heaters are available as factory- installed options or field-installed accessories.

Tested in accordance with:

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

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Contents Technical Guide Table of Contents Features YTG-C-0708 Factory Installed Options Field Installed Accessories Low Limit / Compressor Lockout Kit Part Number Description Weight AccessoriesYTG-C-0708 Ton York Model Number Nomenclature DM Physical Data Unit Voltage Limitations DM Capacity RatingsRating Electric Heat Size Seasonal DB†Cooling Capacity DM078 6-1/2 TON Unit 2250 Cooling Capacity DM090 7-1/2 TON Unit2550 Cooling Capacity DM102 8-1/2 TON UnitCooling Capacity DM120 10 TON Unit Cooling Capacity DM150 12-1/2 TON Unit MCA FLA Outlet Amps Size Amps Exhaust Model No Supply Pwr Min. Circuit 240 Electric Heat Multipliers480 600DM078 6-1/2 TON Side Shot Blower Performance CFM DM090 7-1/2 TON Side Shot Blower PerformanceDM102 8-1/2 TON Side Shot Blower Performance DM120 10 TON Side Shot Blower Performance DM150 12-1/2 TON Side Shot Blower Performance RPM BHP DM078 6-1/2 TON Down Shot Blower PerformanceDM090 7-1/2 TON Down Shot Blower Performance DM102 8-1/2 TON Down Shot Blower Performance DM120 10 TON Down Shot Blower Performance DM150 12-1/2 TON Down Shot Blower Performance Additional Static Resistance DM090 Additional Static Resistance DM078, 120Cooling Only Economizer† ‡ Electric Heat KW† Power Exhaust Specifications Indoor Blower SpecificationsElectric Heat Minimum Supply AIR CFM Model Location lbs Unit Weight Point Load WeightDetail a Unit ClearancesDetail B Detail C Predator Roof Curb DimensionsSunline to Predator Transition Roof Curbs Air Application Cabinet Height Description Model Economizer UsageField Installed Horizontal Economizer W/POWER Exhaust Slab Economizer END Return W/POWER Exhaust Cooling Unit with GAS Heat Wiring 230 Volt Diagram Cooling Unit WITH/WITHOUT Electric Heat Wiring Diagram YTG-C-0708 General PredatorDescription GAS Heating Section if Equipped Johnson Controls Unitary Products York Drive Norman, OK Additional Factory Installed Options