A.O. Smith 404 manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones A.O. Smith 404. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica A.O. Smith 404 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual A.O. Smith 404 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales A.O. Smith 404, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones A.O. Smith 404 debe contener:
- información acerca de las especificaciones técnicas del dispositivo A.O. Smith 404
- nombre de fabricante y año de fabricación del dispositivo A.O. Smith 404
- condiciones de uso, configuración y mantenimiento del dispositivo A.O. Smith 404
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de A.O. Smith 404 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de A.O. Smith 404 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico A.O. Smith en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de A.O. Smith 404, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo A.O. Smith 404, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual A.O. Smith 404. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    1 PRINTED IN U.S.A. 0906 COPPER BOILERS FOR HYDRONIC HEA TING AND HOT W A TER SUPPL Y CAUTION TEXT PRINTED OR OUTLINED IN RED CONT AINS INFORMA TION RELA TIVE TO YOUR SAFETY . PLEASE READ THOROUGHL Y BEFORE INST ALLING AND USING THIS APPLIANCE. 21251 1-000 MC BEE, SC., RENTON, W A., STRA TFORD-ONT ARIO, VELDHOVEN-THE NETHERLANDS, NANJING , CHINA w [...]

  • Página 2

    2 DIMENSIONS/CAP ACITIES DA T A Figure 1. IMPORT ANT! Refer to "Installation Clearances" section of manual (page 7) for recommended service clearances prior to boiler placement. TOP VIEW LEFT SIDE T ABLE 2. DIMENSIONAL DA T A AB CD E F Model Inches c m Inches c m Inches c m Inches c m Inches c m Inches c m GW/GB-1000 14.1 35.8 12.2 31.0 4[...]

  • Página 3

    3 DIMENSIONS DA T A FOR OUTDOOR CONFIGURA TION Figure 2. T ABLE 3. DIMENSIONAL DA T A AB C D E F G H J Model Inches cm Inches cm Inches cm Inches cm Inches cm Inches cm Inches cm Inches cm Inches c m GBO/GWO-1000 14 35.5 31.6 80.3 71.8 182.4 15.5 39.4 39.75 101 58.25 148 15.9 40.83 16 40.64 46.8 1 18.9 GBO/GWO -1300 24.75 62.9 31.6 80.3 82 208.3 15[...]

  • Página 4

    4 TABLE 5: PUMPING PERFORMANCE GUIDE TABLE 4: RECOVER Y CAP ACITIES TEMPERA TURE RISE - DEGREES °F (°C) Input Rating Water 40°F 50°F 60°F 70°F 80°F 90°F 100°F 1 10°F 120°F 130°F MODEL BTU/Hr . (kW) Flow (22.2°) (27.7°) (33.3°) (38.8°) (44.4°) (50°) (55.5°) (61.1°) (66.7°) (72.2°) GW - 1000 990,000 (290.1) G P H 2520 2016 1680 [...]

  • Página 5

    5 At times you may not be able to smell an LP gas leak. One cause is odor fade, which is a loss of the chemical odorant that gives LP gas its distinctive smell. Another cause can be your physical condition, such as having a cold or diminishing sense of smell with age. For these reasons, the use of a propane gas detector is recommended. IF YOU EXPER[...]

  • Página 6

    6 DIFFERENTIAL PRESSURE SWITCH The differential pressure switch ensures that a suf ficient differential exists between the air pressure in the pre-mix chamber and the inlet of the burner for safe, combustion and proper low NO x emission. The switch has two pressure tap s marked "+" (positive) and "-" (negative). Silicone tubing [...]

  • Página 7

    7 DRAIN V AL VE (Not Supplied) Additional drain valves must be obtained and inst alled on each boiler and tank for draining purposes. SAFETY RELIEF V AL VES Y our local code authority may have other specific relief valve requirements not covered below . W ARNING THE PURPOSE OF A SAFETY RELIEF V AL VE IS TO A VOID EXCESSIVE PRESSURE WHICH MA Y CAUSE[...]

  • Página 8

    8 the authority having jurisdiction, must be provided with a low water cutoff device either as a part of the boiler or at the time of boiler installation. W ARNING UNDER NO CIRCUMST ANCES SHOULD THE EQUIPMENT ROOM WHERE THE BOILER IS INST ALLED EVER BE UNDER NEGA TIVE PRESSURE. P ARTICULAR CARE MUST BE T AKEN WHEN EXHAUST F ANS, COMPRESSORS, AIR HA[...]

  • Página 9

    9 SEE FIGURE 6). A T LEAST TYPE B VENTING MUST BE USED WITH THE ST ANDARD VENTING OPTION (thru-the-roof) USING THE NA TIONAL FUEL GAS CODE VENT T ABLES. TYPE B VENT PIPE CANNOT BE USED IF THE BOILER IS VENTED HORIZONT ALL Y OR AS A DIRECT VENT (SEE P AGES 12 THROUGH 15). ALL LOCAL UTILITY , ST A TE/ PROVINCIAL, REGULA TIONS ON VENTING MUST BE FOLLO[...]

  • Página 10

    10 POWER VENT (OPTIONAL) The length of vent used in horizontally vented installations can be extended beyond the lengths shown in T ables 1 1 and 13 by implementing the kits listed below: TABLE 9: POWER VENT KITS. CONNECTING BOILER TO A COMMON VENT Do not connect the boiler to a common vent or chimney with solid fuel burning equipment. This practic[...]

  • Página 11

    11 Figure 5. V ent T ermination Installation Clearances CAUTION DIRECT VENTING INTO DEAD AIR SP ACES SUCH AS ALLEYS, ATRIUMS AND INSIDE CORNERS CAN CAUSE RECIRCULA TION OF FLUE GASES. RECIRCULA TION OF FLUE GASES WILL CAUSE SOOTING , PREMA TURE F AILURE OF THE HEA T EXCHANGER AND ICING OF THE COMBUSTION AIR INT AKE DURING SEVERE COLD WEA THER. TO P[...]

  • Página 12

    12 ST ANDARD VENT - VERTICAL (CA TEGOR Y I) IMPORT ANT! VENT PRESSURE MUST BE MAINT AINED BETWEEN -0.02" W .C. AND -0.04" W .C. A T 24" (61.0 cm) ABOVE BOILER COLLAR. • Connection for the appliance exhaust vent to the stack must be as direct as possible. Maximum and minimum venting length for Category I appliances shall be determin[...]

  • Página 13

    13 T ABLE 1 1. ST ANDARD HORIZONT AL VENTING (CA TEGOR Y III) ST ANDARD VENT - HORIZONT AL (CA TEGOR Y III) W ARNING: No substitutions of flue pipe or vent cap material are allowed. Such substitutions would jeopardize the safety and health of inhabitants. • A maximum of two elbows can be used on inlet and outlet vent piping respectively . Each el[...]

  • Página 14

    14 DIRECT VENT - VERTICAL (CA TEGOR Y I) T ABLE 12. DIRECT VENT (VERTICAL EXHAUST CONFIGURA TIONS) • Connection for the appliance exhaust vent to the stack must be as direct as possible. Maximum and minimum venting length for Category I appliances shall be determined per the latest edition of the National Fuel Code (U.S.) and CAN/CSA-B149.1 Insta[...]

  • Página 15

    15 DIRECT VENT - HORIZONT AL (CA TEGOR Y III) W ARNING: No substitutions of flue pipe or vent cap material are allowed. Such substitutions would jeop ardize the safety and health of inhabitants. • A maximum of two elbows can be used on inlet and outlet vent piping respectively . Each elbow is equal to 10 feet (3 m) of straight pipe. • Use only [...]

  • Página 16

    16 HYDRONIC INST ALLA TION The following is a brief description of the equipment required for installations noted in Figure 10. All installations must comply with local codes. T ABLE 14: INST ALLA TION ITEMS NO . SUGGESTED ITEMS FOR INST ALLA TION 1. P AIR OF SHORT PIPE NIPPLES, P AIR OF BOILER LOOP TEES AND BALL V AL VE BETWEEN SYSTEM SUPPL Y AND [...]

  • Página 17

    17 Large systems with multiple boilers should include main water temperature controls (with or without outdoor reset) to sequence the boiler on and off, in relation to the load on the system. 24 V AC System Controller (Optional) GB models require a field supplied 24V AC operating control to be installed in the system such as: loop thermost at, indo[...]

  • Página 18

    18 related to approximate water volume of the system. The system should be turned on to circulate water mix for about one hour and then flush clean with fresh water . Before operating the boiler , the entire system must be filled with water , purged of air and checked for leaks. Do not use S top Leak or other boiler compounds. THE W A TER HEA TER S[...]

  • Página 19

    19 ONE GENESIS (MODEL GW) HOT W A TER SUPPL Y BOILER WITH HORIZONT AL T ANK Figure 12. T ank probe installation. PRESSURE RELIEF V AL VE RA TING SHOULD NOT EXCEED PRESSURE CAP ACITY OF ANY COMPONENT IN THE SYSTEM. PIPING SHOULD CONFORM TO LOCAL CODES. BALL V AL VES ARE SHOWN FOR SERVICING BOILER. HOWEVER, LOCAL CODES SHALL GOVERN THEIR USAGE. DANGE[...]

  • Página 20

    20 ONE GENESIS (MODEL GW) HOT W A TER SUPPL Y BOILER WITH VERTICAL T ANK Figure 13. Single boiler with vertical t ank. PRESSURE RELIEF V AL VE RA TING SHOULD NOT EXCEED PRESSURE CAP ACITY OF ANY COMPONENT IN THE SYSTEM. PIPING SHOULD CONFORM TO LOCAL CODES. BALL V AL VES ARE SHOWN FOR SER VICING BOILER. HOWEVER, LOCAL CODES SHALL GOVERN THEIR USAGE[...]

  • Página 21

    21 T ABLE 15. Suggested Pipe Size For Multiple Gas Appliances (Natural) T ABLE 16. Suggested Pipe Size For Multiple Gas Appliances (Prop ane Gas) Length of Pipe in Feet (Metres) Maximum Capacity of Pipe in BTU/hr and kW for Gas Pressures of 14 in. W .C. (0.5 psi) or Less and a Pressure Drop of 0.5 in. W .C . (based on 0.60 Specific Gravity Gas w/He[...]

  • Página 22

    22 Where it is necessary to use more than the average number of pipe fittings i.e. elbows, tees, and valves in gas supply line, use a pipe larger than specified to compensate for increased pressure drop. Gas control trains are unique for each Genesis II unit. S tages one, two and three run sequentially left to right on the smaller units (GB/ GW 100[...]

  • Página 23

    23 GB/GW 2100 GB/GW 2500 GB/GW 1000 - 1500 GAS MANIFOLD ASSEMBL Y GB/GW 1850 Figure 14. GB/GW 1000 - 2500 Gas Manifold Assembly Diagrams.[...]

  • Página 24

    24 GENESIS GB/GW 1000-2500 SERIES 400 WIRING DIAGRAM FIGURE 15.[...]

  • Página 25

    25[...]

  • Página 26

    26 GENESIS GB/GW 1000-2500 SERIES 400 SCHEMA TIC DIAGRAM FIGURE 16.[...]

  • Página 27

    27[...]

  • Página 28

    28 Figure 17. CCB CENTRAL CONTROL BOARD[...]

  • Página 29

    29 Figure 18. FCB FLAME CONTROL BOARD Diagram[...]

  • Página 30

    30 Figure 19. PDB POWER DISTRIBUTION BOARD Diagram[...]

  • Página 31

    31 Fuse Protection The 24V AC circuitry is protected with a 3 amp fuse on the Flame Control Boards (FCB) and a 7.5 amp fuse on the Central Control Board. If the fuse opens, a red LED located near the fuse will light. See Figures 17 and 18. If the red LED is illuminated, replace the fuse. Repeated failure of the fuse is an indication of possible dam[...]

  • Página 32

    32 Lighting Instructions for the G(B/W) 1000 through 2500 models A . THIS APPLIANCE DOES NOT HA VE A PILOT . IT IS EQUIPPED WITH AN IGNITION DEVICE WHICH AUTOMA TICALL Y LIGHTS THE BURNER. DO NOT TR Y TO LIGHT THE BURNER BY HAND. B . BEFORE OPERA TING: SMELL ALL AROUND THE APPLI- ANCE AREA FOR GAS. BE SURE TO SMELL NEXT TO THE FLOOR BECAUSE SOME GA[...]

  • Página 33

    33 Lighting Instructions for the G(B/W) 1000 through 2500 models FOR YOUR SAFETY READ BEFORE OPERA TING OPERA TING INSTRUCTIONS T O TURN OFF GAS TO APPLIANCE W ARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTL Y , A FIRE OR EXPLOSION MA Y RESUL T CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. A . THIS APPLIANCE DOES NOT HA VE A PILO[...]

  • Página 34

    34 T ABLE 20. RISK OF SCALDS. TEMPERA TURE TIME TO PRODUCE 2nd & 3rd SETTING DEGREE BURNS ON ADUL T SKIN OVER 170°F (77°C) NEARL Y INST ANT ANEOUS 160°F (71°C) ABOUT 1/2 SECOND 150°F (66°C) ABOUT 1-1/2 SECONDS 140°F (60°C) LESS THAN 5 SECONDS 130°F (54°C) ABOUT 30 SECONDS 120°F (49°C) OR LESS MORE THAN 5 MINUTES USE ANTI-SCALD V AL [...]

  • Página 35

    35 required): The CCB accepts analog temperature input s from up to three sensors (inlet, outlet and tank). • ECO input (CCB - required): The ECO (energy cut off) is a hi-limit switch, which is located inside the outlet probe. It is a normally closed switch that opens if the probe is exposed to a temperature higher than the trip point. Once tripp[...]

  • Página 36

    36 CCB - Three position Dipswitch (Flame Control Section) SW2: This dipswitch is similar to the FCB dipswitches described below , but with only three switches being used: the number of blower speeds (switch #3), Hi Gas option (switch #2) and a spare (switch #1). Only the blower speed and Hi Gas options are the required selection, within the CCB . T[...]

  • Página 37

    37 Operating Sequence NOTE: The following sequence is based on a three-stage system. 1. The EMC 5000 controller has four modes of operation: Initialization, S tandby , Running, and Service. The internal CCB and FCB micros control these modes through a sequence of steps (or S tates) which are further described in the "UIM Operating Procedures&q[...]

  • Página 38

    38 followed by 15-second inter-purge period, then the system returns to step 7, if the "T rial for Ignition" dipswitch is set for three (3) tries. If the dipswitch is set for one (1) trial, the system will declare an error and boiler will require resetting the control. 10. If a flame is detected, stage two will be activated and start its [...]

  • Página 39

    39 • Menu Screen: Displayed when the user presses the "Menu" key . This screen is the selection point for the other 9 screens. • T emperature Screen: Displays the sensed temperatures of the Outlet, Inlet, and T ank probes. Also displayed is the calculated Delta T (Outlet minus Inlet) for the system. Shorted ("Short") and dis[...]

  • Página 40

    40 • Soft Fault S t ate: (See "Fault Description" section for list of soft and Auto Reset faults.) The CCB turns off the Powered V ent and the IRI Gas. The pump remains on for the selected post-circulate time to cycle the hot water out of the boiler . The FCB's are commanded to shut down and the Alarm output is turned on. The green[...]

  • Página 41

    41 6. Use the UP or DOWN key to select the value you wish to enter . 7. T ouch the SELECT key to accept and store the new value. • Operating Dif ferential Setpoints: Each of the two stages has an independent Operating Differential setpoint. OPERA TING DIFFERENTIAL SETPOINT ADJUSTMENT PROCEDURE Each of the two stages has an independent Operating D[...]

  • Página 42

    42 when an error is detected. It will also go to this screen upon power-up if an error was still valid when power was turned off. NOTE: Errors are cleared from this screen by pressing the "select" key . • Error History Screen: This screen displays a list of the last 9 errors (with time stamps) that have occurred. The last error to occur[...]

  • Página 43

    43 “Low 24V AC” V olt age from transformer less than 18 vac Continuous Auto Reset Check transformer output. Should be over 24vac. May be caused by excessive current drain or a faulty transformer “Brown Out Reset” Indicates a brown out reset occurred - - - - None Caused by a momentary dip in voltage on the CCB +5vdc power bus. Cont act facto[...]

  • Página 44

    44 PREVENT A TIVE MAINTENANCE This is an induced burner and the flame is not supposed to be directly on the burner . The flame should be just above the burner deck approximately 1/8” and blue in color . See Figure 22. Visually check flame characteristics through the view port located under the left-hand header on the boiler . Figure 22 shows the [...]

  • Página 45

    45 After placing the boiler in operation, check the ignition system safety shut-off devices for proper operation. T o accomplish this with the main burners operating, close the valve on the manifold. Within four seconds the main burners should extinguish. If this does not occur immediately , discontinue gas supply by closing main manual shut-off an[...]

  • Página 46

    46 all of the hardness (lime). For this reason it is recommended that a regular schedule for deliming be maintained. The time between cleaning will vary from two to six months depending upon water conditions and usage. A change of approximately 5 o F (3°C) in the normal temperature rise through the boiler is usually an indication that scale should[...]

  • Página 47

    47 NEW BOILER LIMITED W ARRANTY A. O. Smith Corporation, the warrant or , extends the following LIMITED W ARRANTY to the owner of this hydronic boiler: 1. If within TEN years after initial installation of the boiler , the heat exchanger shall prove upon examination by the warranto r to be defective in material or workmanship, the warrantor , at his[...]

  • Página 48

    48 500 T ennessee Waltz Parkway , Ashland City , TN 37015 Phone: 800-433-2545 w w w.hotwater .com E-Mail: part s@hotwater .com[...]