Manuale d’uso / di manutenzione del prodotto 340968-XIM-A-0108 del fabbricante Johnson Controls
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CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 RENEWAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 APPROVALS .
340968-XIM-A-0108 2 Johnson Controls Unitary Products T A BLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 RENEWAL PARTS .
340968-XIM-A-0108 Johnson Controls Unitary Produ cts 3 GENERAL YORK Model DNA units are cooling/heating air conditioners designed for outdoor installation. Only gas pipi ng, electric power and duct connection s are required at th e point of installation.
340968-XIM-A-0108 4 Johnson Controls Unitary Products INST ALLA TION LIMIT A TIONS These units must be installed in accordance with the follow- ing national and loca l safety codes. 1. National Electrical Code ANSI/NFPS No. 70 or Canadi an Electrical Code Part 1, C22.
340968-XIM-A-0108 Johnson Controls Unitary Produ cts 5 CLEARANCES All units require certain clearances for proper operation an d service. Refer to T able 10 for the clearances required for combustion, construction, serv icin g and proper unit opera- tion.
340968-XIM-A-0108 6 Johnson Controls Unitary Products SERVICE ACCESS Access to all serviceable components is provided by the fol- lowing removable panels: • Blower compartment • Gas contro l/ el e c tr ical service access Refer to Figure 7 for location of these access panels and min- imum clearances.
340968-XIM-A-0108 Johnson Controls Unitary Produ cts 7 T ABLE 3: NA TURAL GAS APPLICA TION DA T A A V AILABLE ON MODELS INPUT (MBH) 1 OUTPUT (MBH) GAS RATE 2 FT.
340968-XIM-A-0108 8 Johnson Controls Unitary Products GAS PIPING Proper sizing of gas piping d epends on the cubic feet per hour of gas flow required, spec ific gravity of the gas and the length of run. National Fuel Gas Code Z223.1 o r CAN/CGA B149.1 or .
340968-XIM-A-0108 Johnson Controls Unitary Produ cts 9 i 4. All piping should be cleaned of dirt and scale by ham- mering on the outside of the pipe and blowi ng out the loose dirt and scale. Before initial start-up, be sure that all of the gas l ines external to the u nit have been purged of air .
340968-XIM-A-0108 10 Johnson Controls Unitary Products T ABLE 7: PHYSICAL DA T A MODEL DNA 018 024 030 036 042 048 060 EV APORA TOR BLOWER CENTRIFUGAL BLOWER (Dia.
340968-XIM-A-0108 Johnson Controls Unitary Produ cts 11 FIGURE 7 - UNIT DIMEN SIONS - FRONT All dimensions are in inches. They are subject to change with- out notice.
340968-XIM-A-0108 12 Johnson Controls Unitary Products FIGURE 8 - UNIT DIMENSIONS - FRONT & BOTTOM 2 6 - 3 / 4 6 4 - 5 / 8 8 - 7 / 8 1 1 - 7 / 8 1 9 - 1 / 4 H I G H V O L T A G E C O N N . 1 - 3 / 3 2 " D I A . K N O C K O U T F R O N T C O N D E N S A T E D R A I N 3 / 4 " ' N P T I G A S S U P P L Y 1 - 5 / 8 " D I A .
340968-XIM-A-0108 Johnson Controls Unitary Produ cts 13 SEQUENCE OF OPERA TION The unit is controlled b y a c onventional heating/cooling ther- mostat common to this class of equipment. HEA TING The control board begins a call for he at when W1 is ener- gized (connected to R).
340968-XIM-A-0108 14 Johnson Controls Unitary Products The control recognize s a call for 2nd stage heat when W2 is energized (connected to "R").
340968-XIM-A-0108 Johnson Controls Unitary Produ cts 15 2. Pressure Switch (PS) - If the draft moto r should fail, the pressure switch prevents the ignition controls and gas valves from being energi zed. 3. Flame Sensor - The flame sensor and controls are located per Proper Fla me Adjustment, Figure 12 .
340968-XIM-A-0108 16 Johnson Controls Unitary Products 2. T urn off all electric power to the appliance if service is to be performed. 3. Remove the control access panel. 4. T urn the gas valve switch to the OFF position. DO NOT FORCE. 5. Replace the control access panel.
340968-XIM-A-0108 Johnson Controls Unitary Produ cts 17 T o adjust the pilot flame: 1. Remove the pilot adjustment cover screw . 2. Adjust the pilot adjustment screw to achieve the p roper pilot flame. 3. Replace the pilot adjustment cover screw after the pilot flame is set.
340968-XIM-A-0108 18 Johnson Controls Unitary Products CHECKING SUPPLY AIR CFM To check the supply ai r CFM after the initial balancin g has been complete d: 1.
340968-XIM-A-0108 Johnson Controls Unitary Produ cts 19 FIGURE 13 - DNA COIL DELTA P VS. AIRFLOW DNA018 DNA024-30 DNA042 DNA048-60 ID Coil Delta P DNA Coil Delta P vs Airflow Airflow (CFM) DNA036 DNA024-30 DNA036 DNA042 DNA048-60 DNA018 400 600 800 1600 1200 1400 2000 1000 2200 1800 0.
340968-XIM-A-0108 20 Johnson Controls Unitary Products T ABLE 14: SUPERHEA T CHARGING T ABLE FOR DNA024 OUTDOOR TEMP . °F SUPERHEA T A T COMPRESSOR SUCTION (F), AIRFLOW = 400 CFM INDOOR WB TEMP . (°F) 55 57 59 61 63 65 67 69 71 73 75 65 13.9 16.5 19.
340968-XIM-A-0108 Johnson Controls Unitary Produ cts 21 T ABLE 17: SUPERHEA T CHARGING T ABLE FOR DNA042 OUTDOOR TEMP . °F SUPERHEA T A T COMPRESSOR SUCTION (F), AIRFLOW = 400 CFM INDOOR WB TEMP . (°F) 55 57 59 61 63 65 67 69 71 73 75 65 18.0 19.7 21.
340968-XIM-A-0108 22 Johnson Controls Unitary Products FIGURE 14: TYPICAL WIR ING DIAGRAM DNA 018 THRU 060 (208/230-1-60 POWER SUPPL Y).
340968-XIM-A-0108 Johnson Controls Unitary Produ cts 23 TYPICAL WIRING DIAGRAM NOTES (SEE FIGURE 14) 1. All field wiring to be accomplished following ci ty , local and/or national codes in effect at time of installation of this unit. 2. Caution: Label all wires prior to disconnection when ser- vicing controls.
Subject to change without notice. Pr inted in U.S.A. 340968-XIM-A-0108 Copyright © 2008 b y Johnson Controls, Inc. All rig hts reserved. Supersedes: 286483-XIM-B-0807 Johnson Controls Unita ry Produc.
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 340968-XIM-A-0108 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 340968-XIM-A-0108 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Johnson Controls 340968-XIM-A-0108 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Johnson Controls 340968-XIM-A-0108 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Johnson Controls 340968-XIM-A-0108, 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 340968-XIM-A-0108.
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 340968-XIM-A-0108. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Johnson Controls 340968-XIM-A-0108 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.
