Manuale d’uso / di manutenzione del prodotto R-410A del fabbricante York
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R-410A AFFINITY SERIES DNX024-048 2-4 Ton GZKDJRRJDGHZ2[JZFJR 279550-YIM-A-0207 TABLE OF CONTENTS General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Installation . . . . . . . . . . . . . . . . . . . . . . . .
279550-YIM-A-0207 2 Unitary Products Group Due to system pressure, movi ng parts, and electrical components, installation and servicing of air condition ing equipment can be hazardous. Only qualified, tra ined service personnel should install, repair, or service this equipment.
279550-YIM-A-0207 Unitary Products Group 3 3. For installation on combustible material and may be installed directly on combustibl e flooring or, in the U.S., on wood flooring or Class A, Class B or Class C roof covering materials. 4. For use with natu ral gas (convertible to LP with kit).
279550-YIM-A-0207 4 Unitary Products Group In Canada: 1. Canadian El ectri cal Code, CSA C22.1 2. Installation C odes, CSA - B149.1. 3. Local plumbi ng and waste wate r codes, and 4. Other applica ble lo cal codes. Refer to unit appli cation da ta found in this documen t.
279550-YIM-A-0207 Unitary Products Group 5 Location Use the following guidel ines to se lect a suitable location for these units: 1. Unit is designed for outdoor installatio n only . 2. Condenser coils must have an unlimited supply of air. Where a choice of location is possible , po sition the unit on either north or east side of building.
279550-YIM-A-0207 6 Unitary Products Group Figure 2: Unit 4 Point Load Weight ; &(17(52) *5$ 9,7< )5217 2) 81,7 < ' & % $ Table 2: Weights and Dimens ions Size (Tons) Weight (lbs.
279550-YIM-A-0207 Unitary Products Group 7 Figure 3: Unit Dimensions $ % 9(17$,5287/(7+22' %/2:(56(59,&($&&(66 &203$570(173$1(/ *$66833/< .
279550-YIM-A-0207 8 Unitary Products Group Figure 4: Di men sions Front and Bottom Figure 5: Dimen sions Back and Bottom )5217 *$66833/ < ',$.
279550-YIM-A-0207 Unitary Products Group 9 Figure 6: Roof Curb 1 Ductwork These units are adaptable to downflow use as wel l as rear supply and return air duct openings. To convert to downflow, use the following steps: 1. Remove the duct covers fo und in the bottom re tu rn and supply air duct openings.
279550-YIM-A-0207 10 Unitary Products Group Service Acces s Access to all serviceable components is provided at the following locations: • Blower compartment access panel • Gas control/electrical access panel • Refrigerant connections Refer to Figure 3 for location of these access locations and minimum clearances in Table 5.
279550-YIM-A-0207 Unitary Products Group 11 Figure 8: Ty pical Field Control W iring Diagra m Single Stage Thermostat - Two Stage Gas Hea t Figure 9: Ty pical Field Control W iri ng Diagram Two Stage .
279550-YIM-A-0207 12 Unitary Products Group Figure 10: Typi cal Field Control Wirin g Diag ram Two Stage Thermostat - Two Stage Gas Heat Figure 11: Typical Fiel d Power Wiring Diagram R G W 1 R G C Y 1 Y 1 W 1 C Y 2 Y/Y 2 W 2 W 2 ** = Minimum wire size of 18 AWG wire should be used for all field installed 24 volt wire.
279550-YIM-A-0207 Unitary Products Group 13 DNX024-048 Single Stage Gas Heat Component Models DNX024 DNX036 DNX048 Nominal Tonnage 2.0 3.0 4.0 ARI COOLING PERFORMANCE Gross Capacity @ ARI A point (Btu) 24.6 38.4 50.0 ARI net capacity (Btu) 24.0 37.0 48.
279550-YIM-A-0207 14 Unitary Products Group DNX024-048 Two Stage Gas Heat Component Models DNX024 DNX036 DNX048 Nominal Tonnage 2.0 3.0 4.0 ARI COOLING PERFORMANCE Gross Capacity @ ARI A point (Btu) 24.6 38.4 50.0 ARI net capacity (Btu) 24.0 37.0 48.0 EER 11.
279550-YIM-A-0207 Unitary Products Group 15 Compressors The scroll compressor used in this product is specifically designed to operate w ith R-410A Refrigerant and cannot b e interchanged. The compressor also uses a polyolester (POE oil), Mo bil 3MA POE.
279550-YIM-A-0207 16 Unitary Products Group 4. All piping should be cleane d of dirt and scale by hammering on the outside of the pipe and blo wing out the loose dirt and scale. Before init ial start-up, be sure that all of the gas lines external to the unit have been purged of air.
279550-YIM-A-0207 Unitary Products Group 17 Table 9: Natural Gas Applic ation Data-Single Stage Available On Models Input (MBH) 1 1. Heating capacity valid for elevations up to 20 00 feet above sea level. For elevati ons above 2,000 feet, rated capacity should be r educed by 4% for each 1,000 feet above sea level.
279550-YIM-A-0207 18 Unitary Products Group Airflow Performanc e Table 13: Side Duct Application Size (Tons) Mode Thermostat Input Speed Tap CFM External Static Pre ssure (Inch Water Gauge) 0 . 20 . 30 . 40 . 50 . 60 . 70 . 80 . 91 . 0 Watts Watts Watts Watts Watts Wat ts Watts Watts Watts 024 (2.
279550-YIM-A-0207 Unitary Products Group 19 048 (4.0) Heat N065 W1 HEAT-A 1200 330 373 416 461 507 554 - - - W1 HEAT-B 1300 394 439 484 531 579 629 - - - W1 H EAT-C 1400 466 513 561 611 663 715 - - - .
279550-YIM-A-0207 20 Unitary Products Group 036 (3.0) Cool Low Y1 COOL-A 900 198 233 2 72 313 358 406 458 512 5 69 Y1 COOL-B 760 166 190 2 22 262 310 366 431 503 5 84 Y1 CO OL-C 830 180 210 245 286 33.
279550-YIM-A-0207 Unitary Products Group 21 Blower Speed Select ion The variable speed blowe rs are designed to deliver constant CFM regardless of the external static pressure (ESP) in the ductwork.
279550-YIM-A-0207 22 Unitary Products Group The “Heat” Jumper on the CFM selection board shou ld be set to “A”. Fan Only CFM: When the connectio n is made fr om “R” to “G”, the fan only mode is activated. In this mode , the blower will deliver 75% of the cooling system CFM.
279550-YIM-A-0207 Unitary Products Group 23 Main Burner Operatio n High Heat Warm-up Two stage models run high heat for the first 60 se conds following Pilot Flame Stabil ization period regardless of W2 demand.
279550-YIM-A-0207 24 Unitary Products Group Welded Gas Valve Relay Response. If either or both Pilo t and Main Gas valve outputs are sensed to be off for more than 1 seconds when commanded to be on th.
279550-YIM-A-0207 Unitary Products Group 25 Circulating Fa n When the thermostat calls for FAN, the thermostat terminal G is energized signaling the circulating fa n to run at the heat speed 2 seconds after the G terminal is energized. If a call for HEAT occurs, the circ ulating fan continues to run at the heat speed.
279550-YIM-A-0207 26 Unitary Products Group Figure 16: Two Stage Gas Valve Front Figure 17: Single Stage Gas Valve Rear Figure 18: Two Stage Gas Valve Rear Adjust as follows: 1. Remove the cap from the valve body. See Figures 15 and 16 for location. 2.
279550-YIM-A-0207 Unitary Products Group 27 Adjustment of Temperature Ris e After about 20 minutes of high heat operation, determine the furnace temperature rise. Take readings of both the return air and the heated air in the ducts about six feet from the furnace where they will not be affected by radiant heat.
279550-YIM-A-0207 28 Unitary Products Group Typical Wiring Diagrams Typical DNX024 Cooling Un it with Single Stag e Gas Heat 208/230-1-60 volt Wiring Diagram.
279550-YIM-A-0207 Unitary Products Group 29 Typical DNX024 Coolin g Unit with Two Stag e Ga s Heat 208/230-1-60 volt Wiring Diagram.
279550-YIM-A-0207 30 Unitary Products Group Typical DNX036-048 Cooling Unit with Single St age Gas Hea t 20 8/230-1 -60 volt Wiring Diagram.
279550-YIM-A-0207 Unitary Products Group 31 Typical DNX036-048 Cooling Unit with Two Stage Gas Hea t 208/230 -1-60 volt Wiring Diagram.
279550-YIM-A-0207 32 Unitary Products Group Typical DNX036-048 Cooling Unit with Single St age Gas Hea t 20 8/230-3 -60 volt Wiring Diagram.
279550-YIM-A-0207 Unitary Products Group 33 Typical DNX036-048 Cooling Unit with Two Stage Gas Hea t 208/230 -3-60 volt Wiring Diagram.
279550-YIM-A-0207 34 Unitary Products Group Typical DNX036-048 Cooling Unit with Single St age Gas Hea t 460-3-60 volt Wiring Diagram.
279550-YIM-A-0207 Unitary Products Group 35 Typical DNX036-048 Cooling Unit with Two Stag e Gas Heat 460-3-60 volt Wiring Diagram.
Subject to change without notice. Print ed in U. S.A. 279550-YIM-A-0207 Copyright © 2007 by Unitary Products Grou p. All rights reserved. Supersedes: 98811-YI M-C-1006 Unitary 5005 Norman Products Yo.
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 York R-410A 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 York R-410A - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso York R-410A imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul York R-410A ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il York R-410A, 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 York R-410A.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il York R-410A. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo York R-410A 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.
