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York PREDATOR DM 078 manuel d'utilisation

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Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage York PREDATOR DM 078 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles York PREDATOR DM 078 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service York en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées York PREDATOR DM 078, comme c’est le cas pour la version papier.

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Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif York PREDATOR DM 078, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

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Table des matières du manuel d’utilisation

  • Page 1

    246645-YTG-C-0708 FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE ST ANDARD EFFICIENCY SINGLE P ACKAGE AIR CONDITIONERS AND SINGLE P ACKAGE GAS/ELECTRIC UNIT S DM 078, 090, 102, 120 and 150 6-1/2, 7-1/2, 8-1/2, 10 and 12-1/2 NOM INAL TONS 9.0 EER TECHNICAL GUIDE ® DESCRIPTION YORK ® Predator ® units are convertible single pack[...]

  • Page 2

    246645-YTG-C-0708 2 Johnson Controls Unitary Products T ABLE OF CONTENTS DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 FACTORY INSTALLED O PTIONS . . . . . . . . . . . . . . . . . . . 5 FIELD INSTALLED ACCESSORIES . . . . . . .[...]

  • Page 3

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 3 FEA TURES • St andard Efficiency – All standard efficiency units have a minimum EER of 9.0. Gas/electric units have elec- tronic spark ignition and power vented combustion with steady state ef ficiencies of 80%. • Service Friendly – Th e Predator ® incorporates a num- ber of enhancemen[...]

  • Page 4

    246645-YTG-C-0708 4 Johnson Controls Unitary Products • Balanced Heating – The Preda tor ® of fers “Ultimate Heat- ing Comfort” with a balance betw een 1 st and 2 nd st age gas heating. The 1 st stage of a gas heat Predator ® unit provides 60% of the heating cap acity . Balanced heating allows the unit to better ma intain desired temperat[...]

  • Page 5

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 5 F ACTOR Y INST ALLED OPTIONS YORK ® offers several equipment options factory installed, for the Predator ® line. • Optional F actory Ins talle d Economizers - Predator units offer a variety of optional fa ctory installed econo- mizers with low leak dampers. The outdoor air enthalpy sensor e[...]

  • Page 6

    246645-YTG-C-0708 6 Johnson Controls Unitary Products • Phase Monitors - Designed to prevent unit damage. The phase monitor will shut the unit down in an out-of pha se condition. (St andard on un it s with Scroll Compressors.) • Coil Guard - Customers can purchase a coil guard kit to protect the condenser coil from damage. Additionally , this k[...]

  • Page 7

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 7 economizer is 2% low leak age type. The economizer has spring return, fully modulat ing damper actuators and is capable of introducing up to 100% outdoor air . As the out- door air int ake dampers open, the return air dampers close. The changeover from mechanical refrigeration to economizer ope[...]

  • Page 8

    246645-YTG-C-0708 8 Johnson Controls Unitary Products T ABLE 1: ACCESSORIES Part Number Description Weight 1RC0470 Roof Curb, 8" Height - 1RC0471 Roof Curb, 14" Height - 1RC0472 Roof Curb, Transition (7.5 T through 12.5 T) - 1BD0408 Burglar Bars, Downflow - 2TP04520925 Electric Heat 9kW 230V - 2TP04521825 Electric Heat 18kW 230V - 2TP0452[...]

  • Page 9

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 9 1CG0420 Coil Guard (Gas / Electric models) - 1CG0427 Coil Guard (Electric / Electr ic & HP Models), 42" Tall Cabinet - 1CG0428 Coil Guard (Gas / Electr ic Models), 42" Tall Cabinet - 1HG041 1 Hail Guard Kit - 1HG0415 Hail Guard Kit, 42" Tall Cabinet - 1GP0405 Gas Piping Kit -[...]

  • Page 10

    246645-YTG-C-0708 10 Johnson Controls Unitary Products NOMENCLA TURE D M 090 N10 A 2 A AA 3 0 1 2 4 A D = A/C, Single Pkg., R-22 Product Category A = Std. Motor Airflow B = Std. Motor/Econo./Barometric Relief (Downflow Only) C = Std. Motor/Econo./Power Exhaust ( Downflow Only) D = Std. Motor/Motorized Damper (Downflow Only) E = Std. Motor/Horizonta[...]

  • Page 11

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 11 T ABLE 2: DM PHYSICAL DA T A Component Models 078 090 102 120 150 Evaporator Blower Blower , Centrif ugal (Dia. X Wd. in.) 15 x 15 12 x 12 12 X 12 15 x 15 15 x 15 Motor , St andard (HP) 1-1/2 2 3 2 3 Motor , Optional (HP) 2 3 3 3 5 Evaporator Coil Rows 2 2 3 2 3 Fins per Inch 15 15 15 15 15 He[...]

  • Page 12

    246645-YTG-C-0708 12 Johnson Controls Unitary Products T ABLE 3: DM CAP ACITY RA TINGS Size (T ons) Model Cooling Cap acities ARI Ratings * CFM Sound Rating (dB) † Nominal Electric Heat Cap acity ‡ (kW) Gas Heat Capacity Gas Line Size (in. OD) MBH EER IPL V Input (MBH) Output (MBH) Seasonal Efficiency (%) Te m p . Rise (°F) 078 (6-1/2) Cooling[...]

  • Page 13

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 13 T ABLE 5: COOLING CAP ACITY DM078 (6-1/2 TON) UNIT Air On Evap. Coil T emperature of Air on Conde nser Coil 85°F T emperature of Air on Conde nser Coil 95°F CFM WB (°F) To t . Cap. * (MBH) To t . Input † (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) To t . Cap. * (MBH) To t . Input[...]

  • Page 14

    246645-YTG-C-0708 14 Johnson Controls Unitary Products T ABLE 6: COOLING CA P ACITY DM090 (7-1/2 TON) UNIT Air on Evap- orator Co il T emperature of Air on Co ndenser Coil 75°F 85°F CFM WB (°F) To t a l Cap. * (MBH) To ta l † Input (kW) Sensible Cap acity (MBH) * Return Dry Bulb (°F) To ta l Cap. * (MBH) To t a l † Input (kW) Sensible Cap a[...]

  • Page 15

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 15 T ABLE 7: COOLING CA P ACITY DM102 (8-1/2 TON) UNIT Air on Evap- orator Co il T emperature of Air on Co ndenser Coil 75°F 85°F CFM WB (°F) To t a l Cap. * (MBH) To ta l † Input (kW) Sensible Cap acity (MBH) * Return Dry Bulb (°F) To t a l Cap. * (MBH) To t a l † Input (kW) Sensible Cap[...]

  • Page 16

    246645-YTG-C-0708 16 Johnson Controls Unitary Products T ABLE 8: COOLING CAP ACITY DM120 (10 TON) UNIT Air On Evap. Coil T emperature of Air on Conde nser Coil 85°F T emperature of Air on Conde nser Coil 95°F CFM WB (°F) To t . Cap.* (MBH) To t . Input † (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) To t . Cap. * (MBH) To t . Input † [...]

  • Page 17

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 17 T ABLE 9: COOLING CAP ACITY DM150 (12-1/2 TON) UNIT Air On Evap. Coil T emperature of Air on Conde nser Coil 85°F T emperature of Air on Conde nser Coil 95°F CFM WB (°F) To t . Cap. * (MBH) To t . Input † (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) To t . Cap. * (MBH) To t . Inpu[...]

  • Page 18

    246645-YTG-C-0708 18 Johnson Controls Unitary Products T ABLE 10: ELECTRICAL DATA DM 078 (6-1/2 TON) ST D EFFICIEN CY W/O PWRD CONVENIENCE OUTLET RLA LRA FLA 1.5 2 1.5 2 1.5 2 1.5 2 1.5 2 ea. ea. ea. HP HP HP HP HP HP HP HP HP HP None -- -- 38.0 40.0 43.5 45.5 50 50 50 50 2TP04520925 6.8 18.9 38.0 40.0 43.5 45.5 50 50 50 50 2TP04521825 13.5 37.5 54[...]

  • Page 19

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 19 T ABLE 12: ELECTR ICAL DA T A - DM090 (7-1/2 TON) ST ANDARD EFFICIENCY W/O PWRD CONV . OUTLET T ABLE 13: ELECTR ICAL DA T A - DM090 (7-1/2 TON) ST ANDARD EFFICIENCY W/P WRD CONV . OUTLET RLA LRA FLA ea. ea. ea. None -- -- 41.1 43.8 46.6 49.3 50 50 50 60 2TP04540925 6.8 18.9 41.1 43.8 46.6 49.3[...]

  • Page 20

    246645-YTG-C-0708 20 Johnson Controls Unitary Products T ABLE 14: ELECTRICAL DATA DM 102 (8-1/2 TON) ST D EFFICIEN CY W/O PWRD CONVENIENCE OUTLET RLA LRA FLA ea. ea. ea. None -- -- 44.2 44.2 49.7 49.7 50 50 60 60 2TP04540925 6.8 18.9 44.2 44.2 49.7 49.7 50 50 60 60 2TP04541825 13.5 37.5 60.5 60.5 67.3 67.3 70 70 70 70 2TP04542425 18 50.0 76.1 76.1 [...]

  • Page 21

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 21 T ABLE 16: ELECTRICAL DATA DM 120 (10 TON) STD EFFICIENCY W/O PWRD CONVENIENCE OUTLET RL A LR A FL A 23 2 3 2 3 2 3 2 3 ea. ea. ea. HP HP HP HP HP HP HP HP HP HP None -- -- 51.9 54.6 57.4 60.1 60 70 70 70 2TP04521825 13.5 37.5 57.1 60.5 64.0 67.3 60 70 70 70 2TP04522425 18 50.0 72.7 76.1 79.6 [...]

  • Page 22

    246645-YTG-C-0708 22 Johnson Controls Unitary Products NOTE: Electric heaters are rated at nominal voltage. Use this table to determine the electric heat capacity for heaters supplied at lower vo ltages. NOTES FOR T ABLE 21 THROUGH T ABLE 30 : • Blower performance includes dry coil and 2” throwaway filters. • Blower performance for gas heat i[...]

  • Page 23

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 23 T ABLE 21: DM078 (6-1/2 TON) SIDE SHOT BLOWER PERFORMANCE CFM External S tatic Pre ssure 0.2 0.4 0.6 0.8 1.0 1.2 1. 4 1.6 1.8 RPM BHP W atts RPM BHP W atts RPM BHP W atts RPM BHP W atts RPM BHP W a tts RPM BHP W atts RPM BHP W atts RPM BHP Watt s RPM BHP Watt s 1900 ---- ---- ---- ---- ---- --[...]

  • Page 24

    246645-YTG-C-0708 24 Johnson Controls Unitary Products T ABLE 22: DM090 (7-1/2 TON) SIDE SHOT BLOWER PERFORMANCE CFM External St atic Pressure 0.2 0.4 0.6 0 . 81 . 01 . 21 . 41 . 6 1. 8 2 RPM BHP Watts RPM BHP Watts RPM BHP Watts RPM BHP Watt s RPM BHP W atts RPM BHP W atts RPM BHP W atts RPM BHP Watts RPM BHP W atts RPM BHP Watt s 2000 745 0.31 29[...]

  • Page 25

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 25 T ABLE 23: DM102 (8-1/2 TON) SIDE SHOT BLOWER PERFORMANCE CFM External St atic Pressure 0.2 0.4 0.6 0 . 81 . 01 . 21 . 41 . 6 1. 8 RPM BHP Watts RPM BHP Watts RPM BHP Watts RPM BHP Watts RP M BHP W atts RPM BHP Watts RPM BHP W atts RPM BHP Watt s RPM BHP Watts 2000 802 0.31 288 866 0.55 510 92[...]

  • Page 26

    246645-YTG-C-0708 26 Johnson Controls Unitary Products T ABLE 24: DM120 (10 TON) SIDE SHOT BLOWER PERFORMANCE CFM External Static Pressure 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 RPM BHP Watts RPM BHP W a tts RPM BHP Watts RPM BHP Watts RPM BHP Watts RPM BHP Watts RPM BHP Watts RPM BHP Watt s RPM BHP W atts 3000 --- - ---- ---- ---- ---- ---- 741 1.20 [...]

  • Page 27

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 27 T ABLE 25: DM150 (12-1/2 TON) SIDE SHOT BLOWER PERFORMANCE CFM External Static Pressure 0.2 0.4 0.6 0.8 1.0 1 .2 1.4 1.6 1.8 2.0 RPM BHP Watt s RPM BHP Watt s RPM BHP Watts RPM BHP Watt s RPM BHP Watts RPM BHP Watts RPM BHP Watt s RPM BH P Watt s RPM BHP Watts RPM BHP Watts 3700 -- -- --- - --[...]

  • Page 28

    246645-YTG-C-0708 28 Johnson Controls Unitary Products T ABLE 26: DM078 (6-1/2 TON) DOWN SHOT BLOWER PERFORMANCE CFM External S tatic Pressure 0.2 0.4 0.6 0 . 81 . 01 . 21 . 41 . 6 RPM BHP Watt s RPM BHP Watt s RPM BHP W atts RPM BHP W atts RPM BHP W atts RPM BHP Wa tts RPM BHP W atts RPM BHP W atts 1900 ---- ---- ---- ---- ---- ---- 733 0.75 698 8[...]

  • Page 29

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 29 T ABLE 27: D M090 (7-1/2 TON) DOWN SHOT BLOWER PERFORMANCE CFM External St atic Pressure 0.2 0.4 0. 6 0.8 1.0 1.2 1.4 1.6 1.8 RPM BHP Watt s RPM BHP W atts RPM BHP Watts RPM BHP W atts RPM BHP Watt s RPM BHP W atts RPM BHP W atts RPM BHP W atts RPM BHP Watts 2000 814 0.52 488 888 0.71 665 960 [...]

  • Page 30

    246645-YTG-C-0708 30 Johnson Controls Unitary Products T ABLE 28: D M102 (8-1/2 TON) DOWN SHOT BLOWER PERFORMANCE CFM External St atic Pressure 0.2 0.4 0. 6 0.8 1.0 1.2 1.4 1.6 1.8 RPM BHP Watt s RPM BHP W atts RPM BHP Watts RPM BHP W atts RPM BHP Watt s RPM BHP W atts RPM BHP W atts RPM BHP W atts RPM BHP Watts 2000 842 0.46 431 913 0.69 647 980 0[...]

  • Page 31

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 31 T ABLE 29: DM120 (10 TON) DOWN SHOT BLOWER PERFORMANCE CFM External S tatic Pressure 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 RPM BHP Watts RPM BHP Watt s RPM BHP W atts RPM BHP Watt s RPM BHP W atts RPM BHP Watt s RPM BHP W atts RPM BHP Watt s 3000 ---- ---- ---- 741 1.21 1 128 814 1.34 1248 880 1.50 [...]

  • Page 32

    246645-YTG-C-0708 32 Johnson Controls Unitary Products T ABLE 30: DM150 (12-1/ 2 TON) DOWN SHOT BLOWER PERFORMANCE CFM External S tatic Pressure 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1 .8 2.0 RPM BHP Watt s RPM BHP Watts RPM BHP W atts RPM BHP Watt s RPM BHP Watts RPM BHP Watt s RPM BHP Watts RPM BHP W atts RPM BHP Watts RPM BHP W atts 3700 ---- ---- ---[...]

  • Page 33

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 33 T ABLE 31: ADDITIONA L ST ATIC RESIST ANCE DM078, 120 AND 150 CFM Cooling Only * Economizer † ‡ Electric Heat KW † 9 1 82 43 65 4 1900 0.06 0.02 0.05 0.06 0.07 0.08 0.10 2100 0.07 0.02 0.06 0.07 0.08 0.09 0.1 1 2300 0.08 0.02 0.07 0.08 0.09 0.10 0.13 2500 0.09 0.02 0.08 0.09 0.10 0.1 1 0[...]

  • Page 34

    246645-YTG-C-0708 34 Johnson Controls Unitary Products T ABLE 33: ELECTR IC HEAT MINIMUM SUPPL Y AIR CFM HEA TER UNIT MODEL SIZE (NOMINAL TONS) kW VOL T AGE 078 (6.5) 090 (7.5) 102 (8.5) 120 (10) 150 (12.5) MINIMUM SUPPL Y AIR CFM 9 208/230 1950 2250 2550 N/A N/A 18 1950 2250 2550 3000 3750 24 1950 2250 2550 3000 3750 36 1950 2250 2550 3000 3750 54[...]

  • Page 35

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 35 FIGURE 3 - UNIT CENTER OF GRAVITY FIGURE 2 - UNIT 4 POINT LOAD T ABLE 36: 4 POINT LOAD WEIGHT Model Location (l bs.) AB C D DM078 228 195 285 333 DM090 192 143 224 301 DM102 195 146 228 306 DM120 245 209 305 357 DM150 262 224 327 382 D A C B L E F T F R O N T Unit Model Number XY DM078 47 1/2 [...]

  • Page 36

    246645-YTG-C-0708 36 Johnson Controls Unitary Products T ABLE 37: 6 POINT LOAD WEIGHT Model Locations (lbs.) ABCDE F DM078 156 140 127 185 205 228 DM090 135 1 10 91 142 172 21 1 DM102 137 1 12 93 145 145 21 4 DM120 168 151 136 198 219 244 DM150 180 161 145 212 235 262 T ABLE 38: U NIT WEIGHT Model Shipping Weight (lbs.) Operating Weight (lbs.) DM07[...]

  • Page 37

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 37 3-3/4 3-9/16 2-3/8 DET AIL B DET AIL C 5 - 3 / 8 FIGURE 6 - PREDA TOR ® ROOF CURB DIMENSIONS 8 o r 1 4 5 0 - 1 / 2 3 0 2 0 2 0 8 0 - 5 / 8 6 2 T Y P . I N S U L A T E D D E C K U N D E R C O M P R E S S O R S E C T I O N I N S U L A T E D D E C K U N D E R C O N D E N S E R S E C T I O N F R [...]

  • Page 38

    246645-YTG-C-0708 38 Johnson Controls Unitary Products FIGURE 7 - SUNLINE™ TO PREDA TOR ® TRANSITION ROOF CURBS 7 6 - 5 / 8 9 4 5 0 - 1 / 2 3 0 - 1 / 2 6 4 - 1 / 4 5 9 - 1 / 4 1 0 2 3 4 2 6 8 0 - 5 / 8 2 T Y P F R O N T R I G H T S U P P L Y R E T U R N FIGURE 8 - BOTTOM DUCT OPENINGS (FROM ABO VE) Return Air Supply Air 32-11/16 6-13/16 6-13/16 [...]

  • Page 39

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 39 FIGURE 10 - DOWNFLOW EC ONOMIZER HOOD DET AIL FIGURE 9 - REAR DUCT DIMENSIONS REAR DUCT DIMENSIONS CABINET SIZE DIMENSION “A” “B” “C” 50 3/4” 2 8 1/4 18 1/16 28 1/4 42” 27 3/4 12 1/16 27 1/2 35 3/4 Outside Air Intake Hood 26 25 3/4 30 1/4 26 39 1/2 or 47 1/2 Relief Hood for Pow[...]

  • Page 40

    246645-YTG-C-0708 40 Johnson Controls Unitary Products FIGURE 1 1 - FACTORY INSTALLED DOWNFLOW ECONOMIZER FIGURE 12 - FIELD I NST ALLED DO WN FLOW ECONOMIZER W/POWER EXHAUST T ABLE 41: ECONOMIZER USAGE Application Cabinet Height Description Model Bottom Return All Downflow economizer with ba rometric relief 2EE04705424 Side Return All Horizontal ec[...]

  • Page 41

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 41 FIGURE 13 - FIELD INST ALLED HORIZO NT AL ECONOMIZER W /POWER EXHAUST FIGURE 14 - SLAB ECONOMIZER DOWNFLOW W/POWER EXHAUST 1EH0408 Barometric Relief Hood 1EH0408 Barometric Relief Damper 2PE047032XX Power Exhaust 2EE04705524 Fresh Air Hood 2EE04705524 Fresh Air Damper 2EE04705524 Return Air Da[...]

  • Page 42

    246645-YTG-C-0708 42 Johnson Controls Unitary Products FIGURE 15 - SLAB ECONOMIZER END RETURN W/POWER E XHAUST 2EE04705X24 Slab Economizer 1EH0409 Barometric Relief Hood 1EH0409 Barometric Relief Damper 1EH0409 Fresh Air Hood 2PE047032XX Power Exhaust Field Installed Duct Work[...]

  • Page 43

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 43 FIGURE 16 - COOLING UNIT WITH GAS HEAT WIRING 230 VOLT DIAGRAM[...]

  • Page 44

    246645-YTG-C-0708 44 Johnson Controls Unitary Products FIGURE 17 - COOLIN G UNIT WITH/WITHO UT ELECTRIC HEAT WIRING D IAGRAM[...]

  • Page 45

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 45 FIGURE 18 - COOLING UNIT WITH GAS HEAT WIRING 460, 575 VOLT AND 50 HZ DIAGRAM[...]

  • Page 46

    246645-YTG-C-0708 46 Johnson Controls Unitary Products GUIDE SPECIFICA TIONS PREDA TOR ® DM 078, 090, 102, 120 & 150 9.0 EER GENERAL Units shall be manufactured by Y ork International Unitary Products Group in an ISO 9001 certified facility . YORK ® Pred- ator ® units are convertible single packages with a common footprint cabinet and common[...]

  • Page 47

    246645-YTG-C-0708 Johnson Controls Unitary Produ cts 47 Refrigerant Circuit and Refriger ant Safety Components shall include: A. Independent fixed-orifice or therma lly ope rated expan- sion devices. B. Solid core filter drier/stra in er to eliminate any mo isture or foreign matter . C. Accessible service gage co nnections on both suctio n and disc[...]

  • Page 48

    Subject to change without notice. Pr inted in U.S.A. 246645-YTG-C-0708 Copyright © 2008 b y Johnson Controls, Inc. All righ ts reserved. Supersedes: 246645-YT G-B-0606 Johnson Contro ls Unitary Products 5005 York Drive Norman, OK 73069 outdoor and return air damper assembly to prevent the supply air temperature from dropping below 55 ºF . Changeo[...]