York DM 300 User Manual

262259-YTG-E-1008FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALETECHNICAL GUIDESINGLE PACKAGE GAS/ELECTRIC UNITSAND SINGLE PACKAGE

262259-YTG-E-100810 Johnson Controls Unitary ProductsTABLE 4: DM 180 COOLING CAPACITIES (15 TON)AIR ONEVAPORATORCOILTEMPERATURE OF AIR ON CONDENSER C

262259-YTG-E-1008Johnson Controls Unitary Products 11TABLE 4: DM 180 COOLING CAPACITIES (15 TON) (CONTINUED)AIR ONEVAPORATORCOILTEMPERATURE OF AIR ON

262259-YTG-E-100812 Johnson Controls Unitary ProductsTABLE 5: DM 240 COOLING CAPACITIES (20 TON)AIR ONEVAPORATORCOILTEMPERATURE OF AIR ON CONDENSER C

262259-YTG-E-1008Johnson Controls Unitary Products 13TABLE 5: DM 240 COOLING CAPACITIES (20 TON) (CONTINUED)AIR ONEVAPORATORCOILTEMPERATURE OF AIR ON

262259-YTG-E-100814 Johnson Controls Unitary ProductsTABLE 6: DM 300 COOLING CAPACITIES (25 TON)AIR ONEVAPORATORCOILTEMPERATURE OF AIR ON CONDENSER C

262259-YTG-E-1008Johnson Controls Unitary Products 15TABLE 6: DM 300 COOLING CAPACITIES (25 TON) (CONTINUED)AIR ONEVAPORATORCOILTEMPERATURE OF AIR ON

262259-YTG-E-100816 Johnson Controls Unitary ProductsCFM, STATIC PRESSURE, AND POWER - ALTI-TUDE AND TEMPERATURE CORRECTIONSThe information below shou

262259-YTG-E-1008Johnson Controls Unitary Products 17FIGURE 2 - ALTITUDE/TEMPERATURE CONVERSION FACTOR

262259-YTG-E-100818 Johnson Controls Unitary ProductsNOTES: 1. Blower performance includes fixed outdoor air, 2” T/A filters, a dry evaporator coil an

262259-YTG-E-1008Johnson Controls Unitary Products 19NOTES: 1. Blower performance includes fixed outdoor air, 2” T/A filters, a dry evaporator coil an

262259-YTG-E-10082 Johnson Controls Unitary ProductsTABLE OF CONTENTSDESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1PRODUCT N

262259-YTG-E-100820 Johnson Controls Unitary ProductsNOTES: 1. Blower performance includes a gas-fired heat exchanger, fixed outdoor air, two-inch T/A

262259-YTG-E-1008Johnson Controls Unitary Products 21NOTES: 1. Blower performance includes a gas-fired heat exchanger, fixed outdoor air, two-inch T/A

262259-YTG-E-100822 Johnson Controls Unitary ProductsNOTES: 1. Blower performance includes a gas-fired heat exchanger, fixed outdoor air, two-inch T/A

262259-YTG-E-1008Johnson Controls Unitary Products 23 TABLE 13: BLOWER MOTOR AND DRIVE DATAMODELSIZEDRIVEBLOWERRANGE(RPM)MOTOR1ADJUSTABLE MOTOR P

262259-YTG-E-100824 Johnson Controls Unitary Products NOTE 1: HACR Type per NEC.TABLE 16: DM 180, 240 ELECTRICAL DATA WITHOUT POWERED CONVENIENCE OU

262259-YTG-E-1008Johnson Controls Unitary Products 25 NOTE 1: HACR Type per NEC. NOTE 1: HACR Type per NEC.TABLE 17: DM 300 ELECTRICAL DATA STANDAR

262259-YTG-E-100826 Johnson Controls Unitary Products NOTE 1: HACR Type per NEC.TABLE 19: DM 180, 240 ELECTRICAL DATA WITH POWERED CONVENIENCE OUTL

262259-YTG-E-1008Johnson Controls Unitary Products 27 NOTE 1: HACR Type per NEC. NOTE 1: HACR Type per NEC.TABLE 20: DM 300 ELECTRICAL DATA STANDAR

262259-YTG-E-100828 Johnson Controls Unitary ProductsTABLE 22: DM VOLTAGE LIMITATIONS11. Utilization Range “A” in accordance with ARI Standard 110.VO

262259-YTG-E-1008Johnson Controls Unitary Products 29TABLE 24: SUPPLY FAN VFD WEIGHTS, IN LBS.SUPPLY FAN MOTOR 230V 460V 575VW/O MANUAL BYPASS5.0 hp2

262259-YTG-E-1008Johnson Controls Unitary Products 3PRODUCT NOMENCLATURED M 180 N24 A 2 A AA 1 0 1 2 4 AD = A/C, Single Pkg., R-22Product CategoryAirf

262259-YTG-E-100830 Johnson Controls Unitary ProductsFIGURE 4 - UNIT DIMENSIONS & CLEARANCES 15, 20 & 25 TONTABLE 26: UTILITIES ENTRY DATAHOL

262259-YTG-E-1008Johnson Controls Unitary Products 31FIGURE 5 - REAR VIEW DIMENSIONSNOTE:Units are shipped with the bottom duct openings covered. An a

262259-YTG-E-100832 Johnson Controls Unitary Products NOTE: ELEC / ELEC Models: Units and ductwork are approved for zero clearance to combustible ma

262259-YTG-E-1008Johnson Controls Unitary Products 33FIGURE 7 - CENTER OF GRAVITYFIGURE 8 - TYPICAL UNIT APPLICATIONS

262259-YTG-E-100834 Johnson Controls Unitary Products FIGURE 9 - FOUR AND SIX POINT LOADSADCBF R O N TAEDBCFF R O N TTABLE 28

262259-YTG-E-1008Johnson Controls Unitary Products 351. The 2” space between the ducts allows for “jumping” an existing roof joist.2. The 58-1/2” over

262259-YTG-E-100836 Johnson Controls Unitary ProductsFIGURE 13 -TYPICAL Simplicity® CONTROL WIRING DIAGRAMW1W2Y1GOCCPP1Y2XRSDCCSDSDROCCCRCGY2Y1W2W1Jum

262259-YTG-E-1008Johnson Controls Unitary Products 37GUIDE SPECIFICATIONSGENERALUnits shall be manufactured by Unitary Products in an ISO 9001 certifi

262259-YTG-E-100838 Johnson Controls Unitary Productsmotors shall be totally enclosed with permanently lubricated bearings, internally protected again

262259-YTG-E-1008Johnson Controls Unitary Products 39temperature. Unit shall be provided with fan time delay to prevent cold air delivery before heat

262259-YTG-E-10084 Johnson Controls Unitary ProductsFEATURESAll models are available with a wide variety of factory-mounted options such as stainless

Subject to change without notice. Printed in U.S.A. 262259-YTG-E-1008Copyright © 2008 by Johnson Controls, Inc. All rights reserved. Supersedes: 2622

262259-YTG-E-1008Johnson Controls Unitary Products 5All units have long lasting powder paint cabinets with 1000 hour salt spray test approval under AS

262259-YTG-E-10086 Johnson Controls Unitary Productsavailable for single enthalpy and differential enthalpy configurations, respectively).The rainhood

262259-YTG-E-1008Johnson Controls Unitary Products 7sor, and an outside air sensor. There are provisions for a field installed dirty filter indicator

262259-YTG-E-10088 Johnson Controls Unitary ProductsThe rainhood is painted to match the basic unit and must be field-assembled before installing.• MO

262259-YTG-E-1008Johnson Controls Unitary Products 9NOTE: All gas units are two-stage heating.First stage is 50% of total.S.S.E. = Steady State Effici