York WR240 Manuale Utente

® FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE262292-YTG-B-0107TECHNICAL GUIDEDESCRIPTIONYORK Sunline MagnaDRY™ units are conve

262292-YTG-B-010710 Unitary Products GroupPower exhaust is not available as a field installed option.• ROOF CURBS - Fourteen-inch high roof curbs prov

262292-YTG-B-0107Unitary Products Group 11NOTE:All gas units are two-stage heating.First stage is 50% of total.S.S.E. = Steady State Efficiency (80%)

262292-YTG-B-010712 Unitary Products GroupTABLE 4: COOLING CAPACITIES FOR WR180Air on Evaporator CoilTemperature of Air on Condenser Coil75°F 85°FCFMW

262292-YTG-B-0107Unitary Products Group 13TABLE 4: COOLING CAPACITIES FOR WR180 (CONTINUED)Air on Evaporator CoilTemperature of Air on Condenser Coil1

262292-YTG-B-010714 Unitary Products GroupTABLE 5: COOLING CAPACITIES FOR WR240Air on Evaporator CoilTemperature of Air on Condenser Coil75°F 85°FCFMW

262292-YTG-B-0107Unitary Products Group 15TABLE 5: COOLING CAPACITIES FOR WR240 (CONTINUED)Air on Evaporator CoilTemperature of Air on Condenser Coil1

262292-YTG-B-010716 Unitary Products GroupTABLE 6: COOLING CAPACITIES FOR WR300Air on Evaporator CoilTemperature of Air on Condenser Coil75°F 85°FCFMW

262292-YTG-B-0107Unitary Products Group 17TABLE 6: COOLING CAPACITIES FOR WR300 (CONTINUED)Air on Evaporator CoilTemperature of Air on Condenser Coil1

262292-YTG-B-010718 Unitary Products GroupTABLE 7: COOLING CAPACITIES FOR WR180 (ALTERNATE REHEAT MODE)Air on Evaporator CoilTemperature of Air on Con

262292-YTG-B-0107Unitary Products Group 19TABLE 8: COOLING CAPACITIES FOR WR240 (ALTERNATE REHEAT MODE)Air on Evaporator CoilTemperature of Air on Con

262292-YTG-B-01072 Unitary Products GroupTABLE OF CONTENTSDESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1PRODUCT NO

262292-YTG-B-010720 Unitary Products GroupTABLE 9: COOLING CAPACITIES FOR WR300 (ALTERNATE REHEAT MODE)Air on Evaporator CoilTemperature of Air on Con

262292-YTG-B-0107Unitary Products Group 21FIGURE 5: WR180 MOISTURE REMOVAL - ALTERNATE MODE7RQ0RLVWXUH5HPRYDO#FIP$OWHUQDWHPRGH#YDULRXV

262292-YTG-B-010722 Unitary Products GroupFIGURE 7: WR240 MOISTURE REMOVAL - ALTERNATE MODE20-Ton Moisture Removal @ 8000 cfmAlternate mode @ various

262292-YTG-B-0107Unitary Products Group 23FIGURE 9: WR300 MOISTURE REMOVAL - ALTERNATE MODE25-Ton Moisture Removal @ 8000 cfmAlternate mode @ various

262292-YTG-B-010724 Unitary Products GroupCFM, STATIC PRESSURE, AND POWER - ALTITUDE AND TEMPERATURE CORRECTIONSThe information below should be used t

262292-YTG-B-0107Unitary Products Group 25FIGURE 11:ALTITUDE/TEMPERATURE CONVERSION FACTOR$OWLWXGH7HPSHUDWXUH&RQYHUVLRQ)DFWRU

262292-YTG-B-010726 Unitary Products GroupTABLE 11: WR180 BLOWER PERFORMANCE - 15 TON STANDARD DRIVE (COOLING ONLY) DOWNFLOWBlower Performance (Downfl

262292-YTG-B-0107Unitary Products Group 27TABLE 12: WR180 BLOWER PERFORMANCE - 15 TON STANDARD DRIVE (GAS HEAT) DOWNFLOWBlower Performance (Downflow D

262292-YTG-B-010728 Unitary Products GroupTABLE 13: WR180 BLOWER PERFORMANCE - 15 TON HIGH STATIC DRIVE (COOLING ONLY) DOWNFLOWBlower Performance (Dow

262292-YTG-B-0107Unitary Products Group 29TABLE 14: WR180 BLOWER PERFORMANCE - 15 TON HIGH STATIC DRIVE (GAS HEAT) DOWNFLOWBlower Performance (Downflo

262292-YTG-B-0107Unitary Products Group 3PRODUCT NOMENCLATUREW R 180 N24 A 2 A AA 1 0 1 2 4 AProduct CategoryW = A/C, Single Pkg.,R-22 w/6-Row Evap.A=

262292-YTG-B-010730 Unitary Products GroupTABLE 15: WR240 BLOWER PERFORMANCE - 20 TON STANDARD DRIVE (COOLING ONLY) DOWNFLOWBlower Performance (Downfl

262292-YTG-B-0107Unitary Products Group 31TABLE 16: WR240 BLOWER PERFORMANCE - 20 TON STANDARD DRIVE (GAS HEAT) DOWNFLOWBlower Performance (Downflow D

262292-YTG-B-010732 Unitary Products GroupTABLE 17: WR240 BLOWER PERFORMANCE - 20 TON HIGH STATIC DRIVE (COOLING ONLY) DOWNFLOWBlower Performance (Dow

262292-YTG-B-0107Unitary Products Group 33TABLE 18: WR240 BLOWER PERFORMANCE - 20 TON HIGH STATIC DRIVE (GAS HEAT) DOWNFLOWBlower Performance (Downflo

262292-YTG-B-010734 Unitary Products GroupTABLE 19: WR300 BLOWER PERFORMANCE - 25 TON STANDARD DRIVE (COOLING ONLY) DOWNFLOWBlower Performance (Downfl

262292-YTG-B-0107Unitary Products Group 35TABLE 20: WR300 BLOWER PERFORMANCE - 25 TON STANDARD DRIVE (GAS HEAT) DOWNFLOWBlower Performance (Downflow D

262292-YTG-B-010736 Unitary Products GroupTABLE 21: WR300 BLOWER PERFORMANCE - 25 TON HIGH STATIC DRIVE (COOLING ONLY) DOWNFLOWBlower Performance (Dow

262292-YTG-B-0107Unitary Products Group 37TABLE 22: WR300 BLOWER PERFORMANCE - 25 TON HIGH STATIC DRIVE (GAS HEAT) DOWNFLOWBlower Performance (Downflo

262292-YTG-B-010738 Unitary Products Group TABLE 23: BLOWER MOTOR AND DRIVE DATAMODELSIZEDRIVEBLOWERRANGE(RPM)MOTOR1ADJUSTABLE MOTOR PULLEY FIXED BLOW

262292-YTG-B-0107Unitary Products Group 39NOTE 1: HACR Type per NEC.TABLE 26: WR ELECTRICAL DATA - STANDARD DRIVE MOTOR W/O POWERED CONVENIENCE OUTLET

262292-YTG-B-01074 Unitary Products GroupFEATURESAll models are available with a wide variety of factory-mounted options such as stainless steel heat

262292-YTG-B-010740 Unitary Products GroupNOTE 1: HACR Type per NEC.TABLE 27: WR ELECTRICAL DATA - HIGH STATIC DRIVE MOTOR W/O POWERED CONVENIENCE OUT

262292-YTG-B-0107Unitary Products Group 41NOTE 1: HACR Type per NEC.TABLE 28: WR ELECTRICAL DATA - LOW AIRFLOW DRIVE MOTOR W/O POWERED CONVENIENCE OUT

262292-YTG-B-010742 Unitary Products GroupNOTE 1: HACR Type per NEC.TABLE 29: WR ELECTRICAL DATA - STANDARD DRIVE MOTOR WITH POWERED CONVENIENCE OUTLE

262292-YTG-B-0107Unitary Products Group 43NOTE 1: HACR Type per NEC.TABLE 30: WR ELECTRICAL DATA - HIGH STATIC DRIVE MOTOR WITH POWERED CONVENIENCE OU

262292-YTG-B-010744 Unitary Products GroupNOTE 1: HACR Type per NEC.TABLE 31: WR ELECTRICAL DATA - LOW AIRFLOW DRIVE MOTOR WITH POWERED CONVENIENCE OU

262292-YTG-B-0107Unitary Products Group 45TABLE 32: PHYSICAL DATAMODELS WR180 WR240 WR300EVAPORATOR BLOWERCENTRIFUGAL BLOWER (Dia. x Wd.) 15x15 18x15F

262292-YTG-B-010746 Unitary Products GroupFIGURE 12:UNIT DIMENSIONS WR180, 240 & 300 (FRONT VIEW)TABLE 34: UTILITIES ENTRY DATAHOLEOPENING SIZE (D

262292-YTG-B-0107Unitary Products Group 47FIGURE 13:REAR VIEW DIMENSIONSNOTE:Units are shipped with the bottom duct openings covered. An accessory fla

262292-YTG-B-010748 Unitary Products Group NOTE: ELEC / ELEC Models: Units and ductwork are approved for zero clearance to combustible material when

262292-YTG-B-0107Unitary Products Group 49FIGURE 15:UNIT CENTER OF GRAVITY47.5" (15, 20, 25 TON)FIGURE 16:TYPICAL UNIT APPLICATIONSROOF JACKINSTA

262292-YTG-B-0107Unitary Products Group 5• Electric Heat Operation - All electric heat models (factory installed only) are wired for a single power so

262292-YTG-B-010750 Unitary Products Group FIGURE 17:FOUR AND SIX POINT LOADSADCEBFADBCTABLE 36: FOUR AND SIX POINT LOADSUnit SizeOperatingWeight4

262292-YTG-B-0107Unitary Products Group 511. The 2” space between the ducts allows for “jumping” an existing roof joist.2. The 58-1/2” overall dimensi

262292-YTG-B-010752 Unitary Products GroupFIGURE 21:TYPICAL FIELD WIRINGTHERMOSTAT1TERMINALS( RCB )REHEATCONTROL BOARDRCRHY1Y2W1W2GCX1X3X4A1A2TTRY1Y2W

262292-YTG-B-0107Unitary Products Group 53GUIDE SPECIFICATIONSGENERALUnits shall be manufactured by York International Unitary Products Group in an IS

262292-YTG-B-010754 Unitary Products GroupOUTDOOR (CONDENSER) FAN ASSEMBLY The outdoor fans shall be of the direct-driven propeller type, discharge ai

262292-YTG-B-0107Unitary Products Group 55UNIT OPERATING CHARACTERISTICSUnit shall be capable of starting and running at 125° F outdoor temperature, e

Subject to change without notice. Printed in U.S.A. 262292-YTG-B-0107Copyright © 2007 by Unitary Products Group. All rights reserved. Supersedes: 262

262292-YTG-B-01076 Unitary Products GroupAnytime there is a call for 2 stages of cooling, the unit will not operate in the reheat mode, even if there

262292-YTG-B-0107Unitary Products Group 7FIGURE 3: REHEAT CONTROLS - PART 1FIGURE 4: REHEAT CONTROLS - PART 2UCBUNIT CONTROLBOARDRHBREHEAT CONTROLBOAR

262292-YTG-B-01078 Unitary Products GroupFACTORY-INSTALLED OPTIONS• SINGLE INPUT ELECTRONIC ENTHALPY ECONOMIZERS - Includes a slide-in / plug-in dampe

262292-YTG-B-0107Unitary Products Group 9struction mode operation, 365-day real time clock with 7 day programming plus holiday scheduling is built-in.