Greenheck Fan HRE-20 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 Greenheck Fan HRE-20. 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 Greenheck Fan HRE-20 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 Greenheck Fan HRE-20 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 Greenheck Fan HRE-20, 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 Greenheck Fan HRE-20 debe contener:
- información acerca de las especificaciones técnicas del dispositivo Greenheck Fan HRE-20
- nombre de fabricante y año de fabricación del dispositivo Greenheck Fan HRE-20
- condiciones de uso, configuración y mantenimiento del dispositivo Greenheck Fan HRE-20
- 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 Greenheck Fan HRE-20 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 Greenheck Fan HRE-20 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 Greenheck Fan 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 Greenheck Fan HRE-20, 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 Greenheck Fan HRE-20, 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 Greenheck Fan HRE-20. 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

    **W ARNING** DISCONNECT AND SECURE TO THE "OFF" POSITION ALL ELECTRICAL POWER TO THE UNITS PRIOR TO INSPECTION OR SERVICING. F AILURE TO COMPL Y WITH THIS SAFETY PRECAUTION COULD RESUL T IN SERIOUS INJUR Y OR DEA TH. **IMPORT ANT** ALL F ACTORY PROVIDED LIFTING LUGS MUST BE USED WHEN LIFTING THE UNITS. F AILURE TO COMPL Y WITH THIS SAFETY[...]

  • Página 2

    GENERAL Greenheck Energy Recovery units with T empering are thor oughly inspected and test run at the factory . However , damage may occur during handling and shipping. Consequently , it is important to inspect the unit for visible and concealed damage before beginning installation. Report any damage to the shipper immediately . In addition, assure[...]

  • Página 3

    INST ALLA TION The system design and installation should follow accepted industry practice, such as described in the ASHRAE Handbook. Adequate space should be left around the unit for piping coils and drains, filter replacement, and maintenance. Sufficient space should be pr ovided on the side of the unit for routine service and component re moval [...]

  • Página 4

    4 R o t a t i o n Length of Straight Duct GOOD R o t a t i o n POOR FIGURE 4 DUCT WORK CONNECTIONS Examples of good and poor fan-to-duct connections are shown below (See FIGURE 4). Airflow out of the fan should be directed straight or curve the same dir ection as the fan wheel rotates. Poor duct installation will r esult in low airflow and other sy[...]

  • Página 5

    5 Main Disconnect On Off Exhaust Hood Control Center Intake Hood INST ALLA TION (continued) ELECTRICAL CONNECTIONS The electrical supply must be compatible with that shown on the nameplate: voltage, phase, and amperage capacity . The electrical supply line must be properly fused and conform to local and national electrical codes. All internal elect[...]

  • Página 6

    Wheel Cassette 2 in. filters 2 in. filters Direct Evap Section Exhaust Air Intake Electrical Box Access Panel Access Panel Access Panel Access Panel Access Panel Cassette Slides Out 52 in. Clearance with IG Heater 0 in. Clearance without IG Heater Exhaust Hood Outdoor Air Hood IG Heater *48 in. **64 in. 36 in. 36 in. TOP VIEW Indirect Evap Section [...]

  • Página 7

    1. After the energy recovery unit is set in place, run the overflow and drain lines to the exterior fittings on the evaporative cooler (drain & overflow connections at unit are 3 ⁄ 4 -inch female pipe thread). The supply line can be attached at the downstream side of the evaporative cooler . A manual shut off valve should be mounted in the su[...]

  • Página 8

    Auto Drain and Fill with Freeze Protection This system will automatically drain the sump tank and fill it with fresh water at the field adjustable intervals, typically once every 24 hours. This flushes mineral build-up and debris from the tank to pr omote low maintenance and increase media pad life. In addition, the system will pr otect the evapora[...]

  • Página 9

    Symptom Solution Leaving Air Entering Air 45 ° 15 ° Insufficient water volume or recir culation pump not operating Irregular water distribution on cooling media Scale and mineral deposit formation on face of media Excessive water discharge into drain W ater Carry-Over Poor performance after cooling pad r eplacement Inadequate cooling A. Check wat[...]

  • Página 10

    10 Regularly scheduled maintenance is the key to peak performance, minimized cost, and extended life of the evaporative cooler . The following is a checklist of items that need to be looked at on a regular basis. 1. The media should be checked for mineral and foreign material deposits that have built up. If these items are left on the media, the li[...]

  • Página 11

    11 1. Piping should be in accordance with accepted industry standards. Pipework should be supported independently of the coils. W ater connections are male NPT iron pipe. When installing couplings, do not apply undue stress to the connection extending through the unit. Use a backup pipe wrench to avoid br eaking the weld between coil connection and[...]

  • Página 12

    12 ELECTRIC HEA TER APPLICA TION/OPERA TION Factory installed electric heaters can be provided for pr eheat and/or post-heat (see FIGURE 11). An electric preheater warms the outdoor air prior to the energy r ecovery wheel to prevent fr osting on the wheel. An electric post-heater warms the air leaving the energy recovery wheel to a user specified d[...]

  • Página 13

    FROST CONTROL APPLICA TION/OPERA TION DIRTY FIL TER SWITCH SETUP When outdoor air temperatures ar e extremely cold, moistur e condensation and frosting on the energy recovery wheel is possible. Frost contr ol is an optional feature that will pr event wheel frosting. T wo options are available: 1) Timed Exhaust frost contr ol and 2) Preheat fr ost c[...]

  • Página 14

    The energy recovery wheel may be de-energized for the purpose of pr oviding economizer (free cooling) operation. This can be achieved with a signal from a T emperatur e or Enthalpy sensor mounted in the supply air inlet compartment (see FIGURE 13). This Primary sensor will de-energize the energy wheel when the outdoor air temperature (factory defau[...]

  • Página 15

    15 GENERAL Check all fasteners and set screws for tightness. This is especially important for bearings and fan wheels. Also, if dampers are not motorized, check that they open and close without binding. F AN WHEEL ROT A TION Hand rotate the blower to ensur e that the wheel is not rubbing against the scroll. If the blower is r otating in the wrong d[...]

  • Página 16

    16 ENERGY RECOVERY WHEEL CAUTION: See **W ARNING** on page 1 and 15 For the HRE-20 and HRE-45, open the access door marked "Energy Wheel Cassette Access". UNPLUG the wheel drive motor and remove the metal spacer . Then pull the cassette out halfway as seen in FIGURE 17. Note: For the HRE-55 and HRE-90, the energy recovery wheel does not s[...]

  • Página 17

    17 ROUTINE MAINTENANCE CAUTION: See **W ARNING** on Page 1 and 15 Once the unit has been put into operation, a periodic maintenance program should be set up to pr eserve the r eliability and performance. Items to be included in this pr ogram are: • BEL TS • MOTORS • WHEEL AND F ASTENERS • VIBRA TION • FIL TER MAINTENANCE • COIL MAINTENA[...]

  • Página 18

    18 EXTERNAL FIL TER MAINTENANCE Aluminum mesh 2 in. filters are located in the supply weatherhood (if the weatherhood option was purchased). Filters should be checked and cleaned on a regular basis for best ef ficiency . The frequency of cleaning depends upon the cleanliness of the incoming air . To r emove these filters, remove bottom bolt in the [...]

  • Página 19

    19 WA TER COIL MAINTENANCE CAUTION: See **W ARNING** on Page 1 and 15 FIL TERS Filters upstream of the coil should be checked r egularly . If the filters ar e dirty , they should be cleaned or r eplaced. It is important that the coils stay clean to maintain desir ed airflow . See page 18 for more information on filter maintenance. COIL MAINTENANCE [...]

  • Página 20

    FIGURE 20 For the HRE-20 and HRE-45, open the access door marked "Energy Wheel Cassette Access" (FIGURE 20). UNPLUG the wheel drive motor and remove the metal spacer . Then pull the cassette out halfway (FIGURE 21). The energy recovery wheel cassettes for model HRE-55 and HRE-90 do not slide out due to their size and weight. Service to th[...]

  • Página 21

    CLEANING ENERGY RECOVERY WHEEL SEGMENTS If the wheel appears excessively dirty , it should be cleaned to ensure maximum operating efficiency . Only excessive buildup of foreign material needs to be r emoved. DISCOLORA TION AND ST AINING OF ENERGY RECOVERY WHEEL DOES NOT AFFECT ITS PERFORMANCE. Thoroughly spray wheel matrix with household cleaner su[...]

  • Página 22

    PA R TS LIST 1 2 3 4 8 5 6 7 7 9 Model HRE (shown with indirect evaporative cooler , optional direct evaporative cooler , and indirect gas heater) 10 22 1. Supply blower - Forward curved fan - Adjustable motor mount for belt tensioning - Adjustable sheaves for speed control 2. Vibrations isolators (quantity 4 per blower) - Neoprene 3. Energy recove[...]

  • Página 23

    * Always provide the unit model and serial number when requesting parts or service information. * Always check motor amps and compare to nameplate rating. 23 Control power (24 V ac) wiring run is too long (resistance should not exceed 0.75 ohms). Shorten wiring run to mechanical room or install a r elay which will turn unit on/off (C/F for relay in[...]

  • Página 24

    IOM HRE FS Rev . 2, July 2002 W arranty Greenheck warrants this equipment to be fr ee from defects in material and workmanship for a period of one year from the purchase date. The energy r ecovery wheel is warranted to be free from defects in material and workmanship for a period of five years from the pur chase date. Any units or parts which prove[...]