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York SUNLINE MAGNADRY WR 180 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    ® FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE 262292-YTG-C- 0707 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 efficient part load op eration. Although the units are primarily designed for curb [...]

  • Page 2

    262292-YTG-C-0707 2 Unitary Products Group TABLE OF CONTENTS DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . 3 FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 FACTORY-INSTALLED OPTIONS . . . . . . . . . . . .[...]

  • Page 3

    262292-YTG-C-0707 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./Power Exhaust (Downflow Only) D = Std. Drive/Motorized Damper E = Std. Drive/Motorized Damper/Baro[...]

  • Page 4

    262292-YTG-C-0707 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. All units are self-contained and assembled on fu ll perimeter base rails with h[...]

  • Page 5

    262292-YTG-C-0707 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. E[...]

  • Page 6

    262292-YTG-C-0707 6 Unitary Products Group The unit will not operate in the rehea t mode if there is any call for heating. On units with e conomizers, th e unit will no t op erate in the reheat mode if there is a call fo r cooling and the economizer is operating as first stage of coolin g. All safety devices function as previously described. "[...]

  • Page 7

    262292-YTG-C-0707 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 HUMIDIFY TERMINAL RHR REHEAT RELAY REHEAT SOLENOID 3 REHEAT SOLENOID 1 REHEAT SOLENOID 2 RHB REHEAT CONTROL BOARD UCB UNIT CONTROL BOARD[...]

  • Page 8

    262292-YTG-C-0707 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. The enthalpy system contains one sensor that[...]

  • Page 9

    262292-YTG-C-0707 Unitary Products Group 9 • FILTER OPTIONS - Standard units are shippe d with 2” throw-away filters installed. 2” pleated and 4” pleated filters are offered as a factory installed op tion. • CONVENIENCE OUTLET - This 1 10 volt outlet can be “powered” by the unit with a stepdown transforme r or you may order the un it [...]

  • Page 10

    262292-YTG-C-0707 10 Unitary Products Group NOTE: Knobs are shipped separately with in the unit to prevent shipping damage. T hese must be field installed for tool free operation. • HINGED/"TOOL FREE" BLOWER, BLOWER MOTOR, FILTER AND ELECTRIC ACCESS PANELS - This op tion allows for complete hinged and tool free access to the unit's[...]

  • Page 11

    262292-YTG-C-0707 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. 2 IWG RPM BHP 63 1[...]

  • Page 12

    262292-YTG-C-0707 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. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dr y Bulb (° F) 90 85 80 [...]

  • Page 13

    262292-YTG-C-0707 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. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dr y Bulb ([...]

  • Page 14

    262292-YTG-C-0707 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. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dr y Bulb (° F) 90 85 80 [...]

  • Page 15

    262292-YTG-C-0707 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. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dr y Bulb ([...]

  • Page 16

    262292-YTG-C-0707 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. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dr y Bulb (° F) 90 85 80 [...]

  • Page 17

    262292-YTG-C-0707 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. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dr y Bulb ([...]

  • Page 18

    262292-YTG-C-0707 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. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return [...]

  • Page 19

    262292-YTG-C-0707 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. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return [...]

  • Page 20

    262292-YTG-C-0707 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. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return D[...]

  • Page 21

    262292-YTG-C-0707 Unitary Products Group 21 FIGURE 5: WR180 MOISTURE REMOVAL - ALTERNATE MODE 7RQ0RLVWXUH5HPRYDO#FIP $OWHUQDWHPRGH#YDULRXVLQGRRUZHWEXOEGUEXOEFRQGLWLRQV             2XWGRRU7HPS?[...]

  • Page 22

    262292-YTG-C-0707 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 60 80 100 120 140 160 65 75 85 95 105 Outdoor Temp ºF Lbs/Hr 75/71 80/71 75/67 85/71 80/67 85/67 FIGURE 8: WR240 MOIST URE REMOVAL - NORMAL MODE 20-T[...]

  • Page 23

    262292-YTG-C-0707 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 60 80 100 120 140 160 180 65 75 85 95 105 Outdoor Temp ºF Lbs/Hr 75/71 80/71 75/67 85/71 80/67 85/67 FIGURE 10: WR300 MOIST URE REMOVAL - NORMAL MODE[...]

  • Page 24

    262292-YTG-C-0707 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. The air flow rates listed in the standard bl ower performance tables are based on st[...]

  • Page 25

    262292-YTG-C-0707 Unitary Products Group 25 FIGURE 11: ALTITUDE/TEMPERA TURE CONVERSION FACTOR $OWLWXGH7HPSHUDWXUH&RQYHUVLRQ)DFWRU              7(03(5$785() &255(&7,21)$&72[...]

  • Page 26

    262292-YTG-C-0707 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 0.2 6284 956 3.50 4.20 6080 922 3. 14 3.77 5800 889 2.84 3.41 55 14 856 2.536 3.04 5290 8[...]

  • Page 27

    262292-YTG-C-0707 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 B HP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.2 6158 956 3.29 3 .95 5958 922 2.96 3.55 5684 889 2.67 3.20 5404 856 2.38 2.86 5184 821 2.[...]

  • Page 28

    262292-YTG-C-0707 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 B HP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.2 7695 1120 5.68 6.93 7434 1082 5.12 6.25 7139 1043 4.55 5.55 6853 1005 4.10 4.92 [...]

  • Page 29

    262292-YTG-C-0707 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 B HP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.2 7541 1120 5.34 6.51 7285 1082 4.81 5.87 6996 1043 4.28 5.22 6716 1005 3.85 4.63 6406[...]

  • Page 30

    262292-YTG-C-0707 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 B HP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.4 - - - - 9557 1071 7.78 9.49 9313 1036 7.22 8.81 8842 1002 6.35 7.75 8481 968 5.68 6.[...]

  • Page 31

    262292-YTG-C-0707 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 B HP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.4 9892 1106 8.30 10.13 9366 1071 7.31 8.92 9127 1036 6.78 8.28 8665 1002 5.97 7.28 8311 96[...]

  • Page 32

    262292-YTG-C-0707 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 CF M RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.4 11465 1201 11.98 14.62 10938 1167 10.57 12.90 10528 1131 9.67 11.80 9886 1096 8.[...]

  • Page 33

    262292-YTG-C-0707 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 CF M RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.4 11236 1201 11.26 13.74 10719 1167 9.94 12.13 10317 1131 9.09 11.09 9688 1096 8.03 9.[...]

  • Page 34

    262292-YTG-C-0707 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 CF M RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.4 10636 1106 9. 46 11.55 10163 1072 8.55 10.44 9813 1036 7.76 9.47 9394 999 6.98 8.52 [...]

  • Page 35

    262292-YTG-C-0707 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 CF M RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.4 10423 1106 8. 89 10.85 9960 1072 8.04 9. 81 9617 1036 7.29 8.90 9206 999 6.56 8.01 8757 [...]

  • Page 36

    262292-YTG-C-0707 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 CF M RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.4 11830 1216 12.80 15.62 11374 1181 11.51 14.05 11030 1146 10.55 12.87 10572 1111 [...]

  • Page 37

    262292-YTG-C-0707 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 CF M RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP CFM RPM KW BHP 0.4 11593 1216 12.03 14.68 11147 1181 10.82 13.20 10809 1146 9.91 12.10 10361 1111 8.93 [...]

  • Page 38

    262292-YTG-C-0707 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. (IN.) BORE (IN.) DESIG- NA TION OUTSIDE DIA. (IN.) PITCH DIA. (IN.) BORE (IN.) DESIG- NA TION PITC[...]

  • Page 39

    262292-YTG-C-0707 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 AGE COMPRESSORS OD F AN MOT ORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEA TER OPTION MIN. CIRCUIT AMP ACITY (AMPS) MAX. FUSE/ BRKR 1 SIZE (AMPS) RLA EACH LRA EACH M[...]

  • Page 40

    262292-YTG-C-0707 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 AGE COMPRESSORS OD F AN MOT ORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEA TER OPTION MIN. CIRCUIT AMP ACITY (AMPS) MAX. FUSE/ BRKR 1 SIZE (AMPS) RLA EACH LRA EAC[...]

  • Page 41

    262292-YTG-C-0707 Unitary Products Group 41 NOTE 1: HACR T ype per NEC. TABLE 28: WR ELECTRICAL DATA - LOW STATIC DRIVE MOTOR W/ O POWERED CONVENIENCE OUTLET MODEL (TONNAGE) VOL T AGE COMPRESSORS OD F AN MOT ORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEA TER OPTION MIN. CIRCUIT AMP ACITY (AMPS) MAX. FUSE/ BRKR 1 SIZE (AMPS) RLA EACH LRA EACH[...]

  • Page 42

    262292-YTG-C-0707 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 AGE COMPRESSORS OD F AN MOT ORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEA TER OPTION MIN. CIRCUIT AMP ACITY (AMPS) MAX. FUSE/ BRKR 1 SIZE (AMPS) RLA EACH LRA EACH[...]

  • Page 43

    262292-YTG-C-0707 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 AGE COMPRESSORS OD F AN MOT ORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEA TER OPTION MIN. CIRCUIT AMP ACITY (AMPS) MAX. FUSE/ BRKR 1 SIZE (AMPS) RLA EACH LRA EAC[...]

  • Page 44

    262292-YTG-C-0707 44 Unitary Products Group NOTE 1: HACR T ype per NEC. TABLE 31: WR ELECTRICAL DATA - LOW STATIC DRIVE MO TOR WITH POWERED CONVEN IENCE OUTLET MODEL (TONNAGE) VOL T AGE COMPRESSORS OD F AN MOT ORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEA TER OPTION MIN. CIRCUIT AMP ACITY (AMPS) MAX. FUSE/ BRKR 1 SIZE (AMPS) RLA EACH LRA EA[...]

  • Page 45

    262292-YTG-C-0707 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 AREA (Sq. Ft.) 20.52 CONDENSER F AN (FOUR PER UNIT) PROPELLER DIA. (In.) (Each) 24 30 F AN MOT OR[...]

  • Page 46

    262292-YTG-C-0707 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.) Bottom C 2-3/8” KO Gas Piping ( Front) 1 1. One-inch gas piping NPT [...]

  • Page 47

    262292-YTG-C-0707 Unitary Products Group 47 FIGURE 13: REAR VIEW DIMENSIONS NOTE: Units are shipped with the bottom duct openings covered. An accessory flange kit is available for connecting side ducts. For bottom duct applicatio ns: 1. Remove the side pane ls from the supply an d return a ir compartments to gain access to the bottom supply and ret[...]

  • Page 48

    262292-YTG-C-0707 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. The prod[...]

  • Page 49

    262292-YTG-C-0707 Unitary Products Group 49 FIGURE 15: UNIT CENTER OF GRAVITY 47.5" (15, 20, 25 TON) FIGURE 16: TYPICAL UNIT APPLICATIONS ROOF JA CK INSTALLATIO N ROOF CUR B INSTALLATIO N SLAB ON GROUND INSTALLATION[...]

  • Page 50

    262292-YTG-C-0707 50 Unitary Products Group FIGURE 17: FOUR AND SI X POINT LO ADS A D C E B F A D B C TABLE 36: FOUR AND SIX POINT LOADS Unit Size Operating Weight 4 Point Loads (lbs) AB C D WR180 Gas 2900 495 924 965 516 WR240 Gas 3200 558 1042 1042 558 WR300 Gas 3300 575 1075 1075 575 WR180 Elec 2700 460 860 898 481 WR240 Elec 3000 523 977 977 52[...]

  • Page 51

    262292-YTG-C-0707 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. NOTE: Ducts can be instal led into the curb from the roof. All electrical and gas line [...]

  • Page 52

    262292-YTG-C-0707 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). 2 Terminals A1 and A2 provide a relay ou tput to [...]

  • Page 53

    262292-YTG-C-0707 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. All models have dual independent refrigerant ci rcuits for efficient part load operation a n[...]

  • Page 54

    262292-YTG-C-0707 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. The 4 outdoor fa n motors shall be totally enclos ed[...]

  • Page 55

    262292-YTG-C-0707 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. Accessory low ambient kit shall[...]

  • Page 56

    Subject to change without notice. Print ed in U. S.A. 262292-YTG-C-0707 Copyright © 2007 by Unitary Products Grou p. All rights reserved. Supersedes: 26 2292-YTG-B-0107 Unitary 5005 Norman Products York OK Group Drive 73069 • WOOD SKID - Allows unit to be handled with 90" forks. • ECONOMIZER/MOTORIZED DAMPER RAIN HOOD (WRN/E/C30 only) - C[...]