Instruction/ maintenance manual of the product WR300 York
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® FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE 262292-YT G-B-0107 TECHNICAL GUIDE DESCRIPTION YORK Sunline Magna DRY™ units are convertible single package high efficiency rooftops. All models ha ve independent dual refriger ant circuit s for effici ent part load operation.
262292-YTG-B-0107 2 Unitary Products Group TABLE OF CONTENTS DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . 3 FEATURES . . . . . . . . . . . . . . .
262292-YTG-B-0107 Unitary Products Group 3 PRODUCT NOMENCLATURE W R 180 N24 A 2 A AA 1 0 1 2 4 A Product Category W = A/C, Single Pkg., R-22 w/6-Row Evap. A=S t d .D r i v e Airflow B = Std. Drive/Single Input Econo. C = Std. Drive/Single Input Econo.
262292-YTG-B-0107 4 Unitary Products Group FEATURES All models are available with a wide variety of factory-mounted options such as stain less steel heat exchan gers, phase monitor, dirty filter switch, and co il guard to make them suitable for almost every application.
262292-YTG-B-0107 Unitary Products Group 5 • Electric Heat Operation - All electric heat mo dels (factory installed only) are wir ed fo r a single power source and include a bank of nickel chromium elements mounted at the disch arge of the supply air bl ower to provide a high velocity and uniform distribution of air across the heating elements.
262292-YTG-B-0107 6 Unitary Products Group Anytime there is a call for 2 stages of coolin g, the unit will not operate in the reheat mode, even if there is a call for dehumidification at "HUM". The unit will not operate in the rehea t mode if there is any call for heating.
262292-YTG-B-0107 Unitary Products Group 7 FIGURE 3: REHEAT CO NTROLS - PART 1 FIGURE 4: REHEAT CONTROLS - PART 2 UCB UNIT CONTROL BOARD RHB REHEA T CONTROL BOARD RHTB REHEAT TERMINAL BLOCK HUM HUMIDI.
262292-YTG-B-0107 8 Unitary Products Group FACTORY-INSTALLED OPTIONS • SINGLE INPUT ELEC TRONIC ENTHAL PY ECONOMIZERS - Includes a slide-in / plug -in damper assembly with fully modulat ing spring-return motor actuator capable of introd ucing up to 100% outdoor air with nominal 1% leakage type dampers.
262292-YTG-B-0107 Unitary Products Group 9 struction mode operation, 3 65-day real time clo ck with 7 day programming plus holiday scheduling is buil t-in . T wo different modes of demand ven tilation are achieve d through the INTELLI-Comfort™ using CO 2 sensors.
262292-YTG-B-0107 10 Unitary Products Group Power exhaust is not available as a field installed option. • ROOF CURBS - Fourteen-inch high roof curbs provide a water-tight seal between the unit and the finished roof.
262292-YTG-B-0107 Unitary Products Group 11 NOTE: All gas units are two-stage heating. First stage is 50% of total. S.S.E. = Steady State Efficiency (80%) - output divided by input. TABLE 1: SOUND POWER RATING 1 UNIT SIZE CFM ESP BLOWER SOUND POWER (db 10 -12 Wa t ts ) Octave Band Centerline Frequency (Hz) SWL dB(A) dB(A) @ 10Ft.
262292-YTG-B-0107 12 Unitary Products Group TABLE 4: COOLING CAPACITIES FOR WR180 Air on Evaporator Coil Temperature of Air on Condenser Coil 75°F 85°F CFM WB (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) Total Cap.
262292-YTG-B-0107 Unitary Products Group 13 TABLE 4: COOLING CAPACITIES FOR WR180 (CONTINU ED) Air on Evaporator Coil Temperature of Air on Condenser Coil 115°F 125°F CFM WB (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) Total Cap.
262292-YTG-B-0107 14 Unitary Products Group TABLE 5: COOLING CAPACITIES FOR WR240 Air on Evaporator Coil Temperature of Air on Condenser Coil 75°F 85°F CFM WB (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) Total Cap.
262292-YTG-B-0107 Unitary Products Group 15 TABLE 5: COOLING CAPACITIES FOR WR240 (CONTINU ED) Air on Evaporator Coil Temperature of Air on Condenser Coil 115°F 125°F CFM WB (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) Total Cap.
262292-YTG-B-0107 16 Unitary Products Group TABLE 6: COOLING CAPACITIES FOR WR300 Air on Evaporator Coil Temperature of Air on Condenser Coil 75°F 85°F CFM WB (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) Total Cap.
262292-YTG-B-0107 Unitary Products Group 17 TABLE 6: COOLING CAPACITIES FOR WR300 (CONTINU ED) Air on Evaporator Coil Temperature of Air on Condenser Coil 115°F 125°F CFM WB (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) Total Cap.
262292-YTG-B-0107 18 Unitary Products Group TABLE 7: COOLING CAPACITIES FOR WR 180 (ALTERNATE REHEAT MODE) Air on Evaporator Coil Temperature of Air on Condenser Coil 75°F 85°F CFM WB (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dr y Bulb (°F) Total Cap.
262292-YTG-B-0107 Unitary Products Group 19 TABLE 8: COOLING CAPACITIES FOR WR 240 (ALTERNATE REHEAT MODE) Air on Evaporator Coil Temperature of Air on Condenser Coil 75°F 85°F CFM WB (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dr y Bulb (°F) Total Cap.
262292-YTG-B-0107 20 Unitary Products Group TABLE 9: COOLING CAPACITIES FOR WR 300 (ALTERNATE REHEAT MODE) Air on Evaporator Coil Temperature of Air on Condenser Coil 75°F 85°F CFM WB (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) Total Cap.
262292-YTG-B-0107 Unitary Products Group 21 FIGURE 5: WR180 MOISTURE REMOVAL - ALTERNATE MODE 7RQ0RLVWXUH5HPRYDO#FIP $OWHUQDWHPRGH#YDULRXVLQGRRUZH.
262292-YTG-B-0107 22 Unitary Products Group FIGURE 7: WR240 MOISTURE REMOVAL - ALTERNATE MODE 20-Ton Moisture Removal @ 8000 cfm Alternate mode @ various indoor (wet bulb/dry bulb) conditions 0 20 40 .
262292-YTG-B-0107 Unitary Products Group 23 FIGURE 9: WR300 MOISTURE REMOVAL - ALTERNATE MODE 25-Ton Moisture Removal @ 8000 cfm Alternate mode @ various indoor (wet bulb/dry bulb) conditions 0 20 40 .
262292-YTG-B-0107 24 Unitary Products Group CFM, STATIC PRESSURE, AND POWER - ALTITUDE AND TEMPERATURE CORRECTIONS The information be low should be us ed to assist in app lication of product when being applied at altitudes at or exceeding 1000 feet above sea level.
262292-YTG-B-0107 Unitary Products Group 25 FIGURE 11: ALTITUDE/TEMPERA TURE CONVERSION FACTOR $OWLWXGH7HPSHUDWXUH&RQYHUVLRQ)DFWRU .
262292-YTG-B-0107 26 Unitary Products Group TABLE 11: WR180 BLOWER PERFORMANCE - 15 TON STANDARD DRIVE (COOLING ONLY) DOWNFLOW Blower Performance (Downflow Discharge) ESP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.
262292-YTG-B-0107 Unitary Products Group 27 TABLE 12: WR180 BLOWER PERFORMANCE - 15 TON STANDARD DRIVE (GAS HEAT) DOWNFLOW Blower Performance (Downflow Discharge) ESP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.
262292-YTG-B-0107 28 Unitary Products Group TABLE 13: WR180 BLOWER PERFORMANCE - 15 TON HIGH STATIC DRIVE (COO LING ONLY) DOWNFLOW Blower Performance (Downflow Discharge) ESP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.
262292-YTG-B-0107 Unitary Products Group 29 TABLE 14: WR180 BLOWER PERFORMANCE - 15 TO N HIGH STATIC DRIVE (GAS HEAT) DOWNFLOW Blower Performance (Downflow Discharge) ESP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.
262292-YTG-B-0107 30 Unitary Products Group TABLE 15: WR240 BLOWER PERFORMANCE - 20 TON STANDARD DRIVE (COOLING ONLY) DOWNFLOW Blower Performance (Downflow Discharge) ESP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.
262292-YTG-B-0107 Unitary Products Group 31 TABLE 16: WR240 BLOWER PERFORMANCE - 20 TON STANDARD DRIVE (GAS HEAT) DOWNFLOW Blower Performance (Downflow Discharge) ESP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.
262292-YTG-B-0107 32 Unitary Products Group TABLE 17: WR240 BLOWER PERFORMANCE - 20 TON HIGH STATIC DRIVE (COO LING ONLY) DOWNFLOW Blower Performance (Downflow Discharge) ESP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.
262292-YTG-B-0107 Unitary Products Group 33 TABLE 18: WR240 BLOWER PERFORMANCE - 20 TO N HIGH STATIC DRIVE (GAS HEAT) DOWNFLOW Blower Performance (Downflow Discharge) ESP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.
262292-YTG-B-0107 34 Unitary Products Group TABLE 19: WR300 BLOWER PERFORMANCE - 25 TON STANDARD DRIVE (COOLING ONLY) DOWNFLOW Blower Performance (Downflow Discharge) ESP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.
262292-YTG-B-0107 Unitary Products Group 35 TABLE 20: WR300 BLOWER PERFORMANCE - 25 TON STANDARD DRIVE (GAS HEAT) DOWNFLOW Blower Performance (Downflow Discharge) ESP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.
262292-YTG-B-0107 36 Unitary Products Group TABLE 21: WR300 BLOWER PERFORMANCE - 25 TON HIGH STATIC DRIVE (COO LING ONLY) DOWNFLOW Blower Performance (Downflow Discharge) ESP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.
262292-YTG-B-0107 Unitary Products Group 37 TABLE 22: WR300 BLOWER PERFORMANCE - 25 TO N HIGH STATIC DRIVE (GAS HEAT) DOWNFLOW Blower Performance (Downflow Discharge) ESP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.
262292-YTG-B-0107 38 Unitary Products Group TABLE 23: BLOWER MOTOR AND D RIVE DATA MODEL SIZE DRIVE BLOWER RANGE (RPM) MOTOR 1 ADJUST ABLE MOTOR PULLEY FIXED BLOWER PULLEY BEL T (NOTCHED) HP FRAME EFF . (%) DESIG- NA TION OUTSIDE DIA. (IN.) PITCH DIA.
262292-YTG-B-0107 Unitary Products Group 39 NOTE 1: HACR T ype per NEC. TABLE 26: WR ELECTRICAL DATA - STANDARD DR IVE MOTOR W/O POWERED CONVENIENCE OUTLET MODEL (TONNAGE) VOL T A GE COMPRESSORS OD F AN MOT ORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEA TER OPTION MIN.
262292-YTG-B-0107 40 Unitary Products Group NOTE 1: HACR T ype per NEC. TABLE 27: WR ELECTRICAL DATA - HIGH STATIC DRIVE MOTOR W/ O POWERED CONVENIENCE OUTLET MODEL (TONNAGE) VOL T A GE COMPRESSORS OD F AN MOT ORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEA TER OPTION MIN.
262292-YTG-B-0107 Unitary Products Group 41 NOTE 1: HACR T ype per NEC. TABLE 28: WR ELECTRICAL DATA - LOW AIRFLO W DRIVE MOTOR W/O POWERE D CONVENIENCE OUTLET MODEL (TONNAGE) VOL T A GE COMPRESSORS OD F AN MOT ORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEA TER OPTION MIN.
262292-YTG-B-0107 42 Unitary Products Group NOTE 1: HACR T ype per NEC. TABLE 29: WR ELECTRICAL DATA - STANDARD DRI VE MOTOR WITH POWERE D CONVENIENCE OUTLET MODEL (TONNAGE) VOL T A GE COMPRESSORS OD F AN MOT ORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEA TER OPTION MIN.
262292-YTG-B-0107 Unitary Products Group 43 NOTE 1: HACR T ype per NEC. TABLE 30: WR ELECTRICAL DATA - HIGH STATIC DRIVE MOTOR WITH POWERED CONVENIENCE OUTLET MODEL (TONNAGE) VOL T A GE COMPRESSORS OD F AN MOT ORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEA TER OPTION MIN.
262292-YTG-B-0107 44 Unitary Products Group NOTE 1: HACR T ype per NEC. TABLE 31: WR ELECTRICAL DATA - LOW AIRFLOW DRIVE MOTOR WITH POWERE D CONVENIENCE OUTLET MODEL (TONNAGE) VOL T A GE COMPRESSORS OD F AN MOT ORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEA TER OPTION MIN.
262292-YTG-B-0107 Unitary Products Group 45 TABLE 32: PHYSICAL DATA MODELS WR180 WR240 WR300 EV APORA TOR BLOWER CENTRIFUGAL BLOWER (Dia. x Wd.) 15x15 18x15 F AN MOTOR HP 5/7.5 7.5/10.0/15.0 7.5/15.0 EV APORA TOR COIL ROWS DEEP 6 FINS PER INCH 13 F ACE AR EA (Sq.
262292-YTG-B-0107 46 Unitary Products Group FIGURE 12: UNIT DIMENSIONS WR 180, 240 & 300 (FRONT VIEW) TABLE 34: UTILITIES ENTRY DATA HOLE OPENING SIZE (DIA.) USED FOR A 1-1/8” KO Control Wiring Side 3/4” NPS (Fem.) Bottom B 3-5/8” KO Power Wirin g Side 3” NPS (F em.
262292-YTG-B-0107 Unitary Products Group 47 FIGURE 13: REAR VIEW DIMENSIONS NOTE: Uni ts are shipped with the bottom duct openings covered. An accessory flange kit is available for connecting side ducts.
262292-YTG-B-0107 48 Unitary Products Group NOTE: ELEC / ELEC Models : Units and ductwork are approved for zero clearance to combu stible material when equipped with electric heate rs. GAS / ELEC Models : A 1” clearance must be provided between any combustible material an d the supply air ductwork for a dist ance of 3 feet from the unit.
262292-YTG-B-0107 Unitary Products Group 49 FIGURE 15: UNIT CENTER OF GRAVITY 47.5" (15, 20, 25 T ON) FIGURE 16: TYPICAL UNIT APPLICATIONS ROOF JA CK INSTALLATIO N ROOF CUR B INSTALLATIO N SLAB O.
262292-YTG-B-0107 50 Unitary Products Group FIGURE 17: FOUR AND SIX POINT LOADS A D C E B F A D B C TABLE 36: FOUR AND SIX POINT LOADS Unit Size Opera ting Weight 4 Point Loads (lbs) AB C D WR180 Gas .
262292-YTG-B-0107 Unitary Products Group 51 1. The 2” space between the ducts allows for “jump ing ” an existing roof joist. 2. The 58-1/2” overall di mension of the du cts allows ductwork penetration between roof joists that are spaced on 72” centers.
262292-YTG-B-0107 52 Unitary Products Group FIGURE 21: TYPICAL FIELD WIRING THERMOSTAT 1 TERMINALS ( RCB ) REHEAT CONTROL BOARD RC RH Y1 Y2 W1 W2 G C X1 X3 X4 A1 A2 T T R Y1 Y2 W1 W2 G C OCC HUM 1 2 3 4 HUM TERMINAL BLOCK RH 3 2 1 Electronic programmable Thermostat 2ET0770010024 ( includes subbase).
262292-YTG-B-0107 Unitary Products Group 53 GUIDE SPECIFICA TIONS GENERAL Units shall be manufactured by York International Unitary Products Group in an ISO 9001 certified facility. York's Sunline Magnum™ u nits are convertible single p ackage units.
262292-YTG-B-0107 54 Unitary Products Group OUTDOOR (CONDENSER) FAN ASSEMBLY The outdoor fans shall be of the direct-d ri ven propeller type, discharge air vertically, have aluminum blades riveted to corrosion resistant steel spider brackets and shall be dynamically balanced for smooth operation.
262292-YTG-B-0107 Unitary Products Group 55 UNIT OPERATING CHARACTERISTICS Unit shall be capable of starti ng and running at 125° F outdoor temperature, exceeding maximum loa d criteria of ARI Standard 340/360. The compressor, with sta ndard controls, shall be capable of operation down to 25° F outdoor temperature.
Subject to change without notice. Print ed in U. S.A. 262292-YTG-B-0107 Copyright © 2007 by Unitary Products Grou p. All rights reserved. Supersedes: 26 2292-YTG-A-0706 Unitary 5005 Norman Products Y.
An important point after buying a device York WR300 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought York WR300 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data York WR300 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, York WR300 you will learn all the available features of the product, as well as information on its operation. The information that you get York WR300 will certainly help you make a decision on the purchase.
If you already are a holder of York WR300, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime York WR300.
However, one of the most important roles played by the user manual is to help in solving problems with York WR300. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device York WR300 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
