Manuale d’uso / di manutenzione del prodotto J15 del fabbricante Johnson Controls
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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.
349687-JTG-A-1007 2 Johnson Controls Unitary Products T ABLE OF CONTENTS DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 PRODUCT NOMEN CLATURE . . . . . . . . . . . . . . . . . 3 FEATURES . . . . . . . . . . . . . . . . . . .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
349687-JTG-A-1007 Johnson Controls Unitary Products 15 FIGURE 2 - AL TITUDE/TEMPERA TURE CONVERSION F ACTOR.
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.
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 .
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.
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 .
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 INSTAL.
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.
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.
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 .
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.
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 .
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 .
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 Yor.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Johnson Controls J15 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Johnson Controls J15 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Johnson Controls J15 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Johnson Controls J15 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Johnson Controls J15, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Johnson Controls J15.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Johnson Controls J15. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Johnson Controls J15 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
