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Johnson Controls J15 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    349687-JTG-A-1007 FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE TECHNICAL GUIDE SERIES 20 SINGLE P ACKAGE GA S/ELECTRIC UNITS AND SINGLE P ACKAGE AIR CONDITIONERS J15, 18, 20 & 25 DJ 15 & 25 NOMINAL TONS 12.00 EER (15 TONS), 1 1.70 EER (17.5 TONS), 1 1.3 EER (20 TONS), 10.5 EER (25 TONS) DESCRIPTION Johnson Controls Ser[...]

  • Page 2

    349687-JTG-A-1007 2 Johnson Controls Unitary Products T ABLE OF CONTENTS DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 PRODUCT NOMEN CLATURE . . . . . . . . . . . . . . . . . 3 FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 FACTORY-INSTALLED OPTIONS . . . . . . . . . . . . . . 5 FIELD-INSTALLE[...]

  • Page 3

    349687-JTG-A-1007 Johnson Controls Unitary Products 3 PRODUCT NOMENCLA TURE DJ J15 N24 A 2 A AA 1 0 1 2 4 A D = A/C, Single Pkg., R-22 Product Category A = Std. Drive Airflow B = Std. Drive/Single Input Econo. C = Std. Drive/Single Input Econo./Pow er Exhaust (Downflow Only) D = Std. Drive/Motoriz ed Damper E = Std. Drive/Motorized Damper/Barometri[...]

  • Page 4

    349687-JTG-A-1007 4 Johnson Controls Unitary Products FEA TURES All Series 20 J**DJ models are available with a wide variety of factory-mounted options su ch as sta inless steel heat exchangers, phase monitor, dirty filter switch, and coil guard to make them suitable for almost every application. All units are self-contained and assembled on fu ll [...]

  • Page 5

    349687-JTG-A-1007 Johnson Controls Unitary Products 5 with aluminized steel or optional stainless steel tubes, a redundant gas valve, spark ignition, power venting, an ignition module for 100% shut-off and all of the safety controls required to meet the latest ANSI standards. The gas supply piping can be routed into the heating compartment through [...]

  • Page 6

    349687-JTG-A-1007 6 Johnson Controls Unitary Products • POWER EXHAUST - Our economizer options are avail- able with power exhaust. Whenever the outdoor air intake dampers are opened for free cooling, the exhaust fan will be e nergized to pr event the conditioned space from being over-pressurized during econ omizer opera- tio n. BAS-ready economiz[...]

  • Page 7

    349687-JTG-A-1007 Johnson Controls Unitary Products 7 • SMOKE DETECTORS - (supply air & return air) The smoke detectors stop operation of the unit by interrupti ng power to the control board if smoke is detected within the air compartment. • COIL GUARD - Customers can purcha se a coil guard kit to protect the condenser coil from damage. Thi[...]

  • Page 8

    349687-JTG-A-1007 8 Johnson Controls Unitary Products accessory includes a rain hood, a bird screen and a fully assembled damper . With bottom duct connections, the damper should be mounted over the opening i n the return air panel. With horizontal ductwork, the accessory should be mounted on the re tu rn air duct. • HIGH ST A TIC DRIVE - A small[...]

  • Page 9

    349687-JTG-A-1007 Johnson Controls Unitary Products 9 NOTE: All gas units are two-stage heating. First stage is 50% of total. S.S.E. = S teady S tate Efficienc y (80%) - output divided by input. T ABLE 1: S OUND POWER RA TING 1 UNIT SIZE CFM ESP BLOWER SOUND POWER (db 10 -12 Wa t t s ) Octave Band Centerline Frequency (Hz) SWL dB(A) dB(A) @ 10Ft. 2[...]

  • Page 10

    349687-JTG-A-1007 10 Johnson Controls Unitary Products T ABLE 4: C OOLING CAP ACITIE S FOR J15DJ Air on Evaporator Coil Temperature of Air on Condenser Coil 85°F 95°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 Dry Bulb (?[...]

  • Page 11

    349687-JTG-A-1007 Johnson Controls Unitary Products 11 T ABLE 5: C OOLING CAP ACITIE S FOR J18DJ Air on Evaporator Coil Temperature of Air on Condenser Coil 85°F 95°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 Dry Bulb (?[...]

  • Page 12

    349687-JTG-A-1007 12 Johnson Controls Unitary Products T ABLE 6: C OOLING CAP ACITIE S FOR J20DJ Air on Evaporator Coil Temperature of Air on Condenser Coil 85°F 95°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 Dry Bulb (?[...]

  • Page 13

    349687-JTG-A-1007 Johnson Controls Unitary Products 13 T ABLE 7: C OOLING CAP ACITIE S FOR J25DJ Air on Evaporator Coil Temperature of Air on Condense r Coil 85°F 95°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 Dry Bulb ([...]

  • Page 14

    349687-JTG-A-1007 14 Johnson Controls Unitary Products CFM, ST ATIC PRESSURE, AND POWER - ALTI- TUDE AND T EMPERATURE CORRECTIONS The information below should b e used to assist i n applicatio n of product when being ap plied at altitudes at or exceeding 1000 feet above sea level. The air flow rates listed in the standard blower pe rformance tables[...]

  • Page 15

    349687-JTG-A-1007 Johnson Controls Unitary Products 15 FIGURE 2 - AL TITUDE/TEMPERA TURE CONVERSION F ACTOR[...]

  • Page 16

    349687-JTG-A-1007 16 Johnson Controls Unitary Products NOTES: 1. Blower performance includes fixed out door air , 2” T/A filters, a dry evaporator coil and no electric heat. 2.Refer to T a ble 13 for addition al st atic resistances. ESP = External S tatic Pressure available for the supply and re t urn air duct system. All internal unit resistance[...]

  • Page 17

    349687-JTG-A-1007 Johnson Controls Unitary Products 17 NOTES: 1. Blower performance includes fixed out door air , 2” T/ A filters, a dry evaporator coil and no electric he at. 2.Refer to T able 13 fo r additional st atic resistances. ESP = External S tatic Pressure available fo r the supply and return air duct system . All internal unit resist an[...]

  • Page 18

    349687-JTG-A-1007 18 Johnson Controls Unitary Products NOTES: 1. Blower performance includes fixed out door air , 2” T/A filters, a dry evaporator coil and no electric heat. 2.Refer to T a ble 13 for addition al st atic resistances. ESP = External S tatic Pressure available for the supply and re t urn air duct system. All internal unit resistance[...]

  • Page 19

    349687-JTG-A-1007 Johnson Controls Unitary Products 19 NOTES: 1. Blower performance includes a gas-fire d heat exchanger , fi xed out d oor air, two-inch T/A filter s and a dry evaporator co il. 2.Refer to the additional S tatic Resistances table. ESP = External S tatic Pressure available fo r the supply and return air duct system . All internal un[...]

  • Page 20

    349687-JTG-A-1007 20 Johnson Controls Unitary Products NOTES: 1. Blower performance includes a gas-fire d heat exchanger , fi xed out d oor air, two-inch T/A filter s and a dry evaporator co il. 2.Refer to the additional S tatic Resistances table. ESP = External S tatic Pressure available for the supply and re t urn air duct system. All internal un[...]

  • Page 21

    349687-JTG-A-1007 Johnson Controls Unitary Products 21 NOTES: 1. Blower performance includes a gas-fire d heat exchanger , fi xed out d oor air, two-inch T/A filter s and a dry evaporator co il. 2.Refer to the additional S tatic Resistances table. ESP = External S tatic Pressure available fo r the supply and return air duct system . All internal un[...]

  • Page 22

    349687-JTG-A-1007 22 Johnson Controls Unitary Products NOTES: 1. Blower performance includes a gas-fire d heat exchanger , fi xed out d oor air, two-inch T/A filter s and a dry evaporator co il. 2.Refer to the additional S tatic Resistances table. ESP = External S tatic Pressure available for the supply and re t urn air duct system. All internal un[...]

  • Page 23

    349687-JTG-A-1007 Johnson Controls Unitary Products 23 T ABLE 16: BLOWER MOTOR AND DRIVE DA T A MODEL SIZE DRIVE BLOWER RANGE (RPM) MOTOR 1 ADJUS T 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[...]

  • Page 24

    349687-JTG-A-1007 24 Johnson Controls Unitary Products NOTE 1: HACR T ype per NEC. T ABLE 19: J**DJ E LECTRICAL DA T A WITHOUT POWE RED CONVENIENCE OUTLET MODEL (TON- NAGE) VOL T AGE COMPRESSORS OD F AN MOTORS 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 25

    349687-JTG-A-1007 Johnson Controls Unitary Products 25 NOTE 1: HACR T ype per NEC. T ABLE 19: J**D J ELECTRICAL DA T A WITHOUT POWERED CONVENIENCE OUTLET (CONTINUE D) MODEL (TON- NAGE) VOL T AGE COMPRESSORS OD F AN MOTORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEA TER OPTION MIN. CIRCUIT AMP ACITY (AMPS) MAX. FUSE/ BRKR 1 SIZE (AMPS) RLA EAC[...]

  • Page 26

    349687-JTG-A-1007 26 Johnson Controls Unitary Products NOTE 1: HACR T ype per NEC. T ABLE 20: J**DJ ELECTRICAL DA T A WITH POWERED CONVENIENCE OUTLET MODEL (TON- NAGE) VOL T AGE COMPRESSORS OD F AN MOTORS 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 MODEL [...]

  • Page 27

    349687-JTG-A-1007 Johnson Controls Unitary Products 27 NOTE 1: HACR T ype per NEC. T ABLE 20: J**DJ ELECTRICAL DA T A WITH POWERED CONVENIENCE OUTLET (CONTINUED) MODEL (TON- NAGE) VOL T AGE COMPRESSORS OD F AN MOTORS 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[...]

  • Page 28

    349687-JTG-A-1007 28 Johnson Controls Unitary Products T ABLE 21: J**DJ VOL T AGE LIMIT A TIONS 1 1. Utilization Range “A” in accorda nce with ARI S tandard 1 10. V O LTA G E L I M I TAT I O N S POWER SUPPL Y VOL T AGE MIN. MAX. VOL T AGE LIMIT A TIONS 208/230-3-60 187 253 460-3-60 414 506 575-3-60 518 630 T ABLE 22: PHYS ICAL DATA MODELS J15DJ[...]

  • Page 29

    349687-JTG-A-1007 Johnson Controls Unitary Products 29 T ABLE 23: SUP PLY FAN VFD WEIGHTS, IN LBS. SUPPL Y F AN MOTOR 230V 460V 575V W/O MANUAL BYP ASS 5.0 hp 25 25 30 7.5 hp 30 30 30 10.0 hp 30 30 35 15.0 hp 30 30 40 W/MANUAL BYP ASS 5.0 hp 30 30 35 7.5 hp 35 35 35 10.0 hp 35 35 40 15.0 hp 40 35 45 T ABLE 24: ELECTR IC HEA T CORREC TION FA C T O R[...]

  • Page 30

    349687-JTG-A-1007 30 Johnson Controls Unitary Products FIGURE 4 - FRONT VIEW DIMENSIONS T ABLE 25: UTILITIES ENTRY DA T A 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 Wiring Side 3” NPS (F em.) Bottom C 2-3/8” KO Gas Pipi ng (Front) 1 1. One-inch gas piping NPT requ ired. D 1-1[...]

  • Page 31

    349687-JTG-A-1007 Johnson Controls Unitary Products 31 FIGURE 5 - 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 application s: 1. Remove the side pane ls from the supply an d return air compartments to gain access to the bottom supp[...]

  • Page 32

    349687-JTG-A-1007 32 Johnson Controls Unitary Products NOTE: ELEC / ELEC Models : Units and ductwork are approved for zero clearance to combustible material when equipped with electric heaters. GAS / ELEC Models : A 1” clearance must be provided between any combu stible material and the supply air ductwork for a distance of 3 feet from the unit. [...]

  • Page 33

    349687-JTG-A-1007 Johnson Controls Unitary Products 33 FIGURE 7 - UNIT CENTER OF GRA VITY FIGURE 8 - T YP ICAL UNIT APPLICATIONS ROOF JA CK INSTALLATIO N ROOF CUR B INSTALLATIO N SLAB ON GROUND INSTALLATION[...]

  • Page 34

    349687-JTG-A-1007 34 Johnson Controls Unitary Products Note: These weights are with economizer and high option heat (gas or electric). FIGURE 9 - FOUR AND SIX POINT LOADS A D C E B F A D B C T ABLE 27: FOUR AND SIX POINT LOADS Unit Size To ta l Shipping Weight 4 Point Load s (lbs) ABCD J15DJ Gas 2660 454 847 885 474 J18DJ Gas 2928 510 954 954 510 J[...]

  • Page 35

    349687-JTG-A-1007 Johnson Controls Unitary Products 35 1. The 2” space between the ducts allows for “jumping” an existing roof joist. 2. The 58-1/2” overall dimension of the ducts allows duct- work penetration between roof joists that are spaced on 72” centers. Note: Ducts can be installed into the curb from the roof. All electrical and g[...]

  • Page 36

    349687-JTG-A-1007 36 Johnson Controls Unitary Products FIGURE 13 - TYPICAL UNIT WIR ING DIAGRAM W1 W2 Y1 G OCC P P1 Y2 X R SD C C SD SD R OCC C RC G Y2 Y1 W2 W1 Jumper Smoke Detector 24 VAC Class 2 X R THERMOSTAT TERMINALS CONTROL TERMINAL BLOCK TERMINALS ON A LIMITED NUMBER OF THERMOSTATS 3 1 2 4 3 1 2 4 Second stage heating not required on single[...]

  • Page 37

    349687-JTG-A-1007 Johnson Controls Unitary Products 37 GUIDE SPECIFICA TIONS GENERAL Units shall be manufactured by Johnson Controls in an ISO 9001 certified fa cility. Series 20 J**DJ units are converti ble single package units. All models have dual independe nt refri gerant circuits for effi cient part load operation and maximum comfort control. [...]

  • Page 38

    349687-JTG-A-1007 38 Johnson Controls Unitary Products Units equipped with VFD’s shall have factory-installed man- ual bypass as an option. OUTDOOR (CONDENSER) F AN ASSEMBL Y The outdoor fans shall be of the direct-d ri ven propeller type, discharge air vertically, have aluminum blades riveted to cor- rosion resistant steel spider brackets and sh[...]

  • Page 39

    349687-JTG-A-1007 Johnson Controls Unitary Products 39 a. Primary and auxiliary high- temperature li mi t switches. b. Induced draft motor speed sensor . c. Flame roll out switch (automatic reset). d. Flame proving contro ls. Unit shall have tw o inde- pendent stages of capacity . ELECTRIC HEA TING (J**DJC/E MODELS) Nickel chromium electric h eatin[...]

  • Page 40

    Subject to change without notice. Print ed in U.S.A. 349687-JTG-A-1007 Copyright © 2008 by Johnson Controls, In c. All rights reserved. Supersedes: Nothing Johnson Cont rols Unitary Products 5005 York Drive Norman, OK 73069 OTHER PRE-ENGINEERED ACCESSORIES A V AILABLE • ROOF CURB - 14" high, full perimeter curb with wood nailer (shipped kno[...]