(PRWEB) August 14, 2004
Installation RVF Series Fans Ventilateurs
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When selecting the fan mounting location, the following criteria should be considered: a) type of application; b) proximity
to fresh air intakes; c) sound created by fan operation.
a) For dryer boosting applications, fan must be mounted a minimum of 12 linear feet from the dryer outlet. If the
fan is mounted closer than the recommended 12 feet, it will develop enough pressure to pull wet lint through the
duct system causing buildup on the impeller and clogging of the vents in the discharge cover. Important Notice:
To prevent the possibility of fire hazards when using a booster fan in conjunction with a gas fired dryer, booster
fan flow must not exceed the dryer fan capacity. Typical residential dryer fans produce 160 cfm.
For range venting applications, sufficient access for periodic cleaning of exhausted grease from the wall and fan discharge cover should be provided. NOTE: In order to minimize operational noise, only the RVF4 should be used for a direct through-the-wall system. The larger units (RVF4XL – RVF8XL) should only be used in conjunction with ducted systems.
b) With any exhaust system, fan should be located a minimum of 6 feet horizontally and 8 feet vertically from any fresh air intakes for HVAC systems, heat recovery systems, etc. to prevent re-entrainment of exhausted air streams. Windows that are frequently opened during moderate seasons may also be considered fresh air intakes.
c) Although system noise at the point of exhaust will be virtually silent, windows and other structural openings may be sources for noise entry during fan operation. Proximity to windows and openings should be considered.
Select the location on the exterior wall where the fan is to be mounted. Make a hole through the wall that is l/2 larger than the diameter of the fan duct connection collar. A short piece of rigid duct (not included) approximately 2 longer than the wall thickness is recommended for use as an extension through the wall.
Remove the four screws securing the white fan discharge cover and remove the cover. Place the fan against the wall, as centered as possible on the wall opening, then mark the location of the four backplate mounting holes and the electrical knockout. Drill a hole for the electrical service that is Z|x larger than the size of conduit to be used. A 1 diameter electrical service opening is provided on the fan backplate (see dimensional drawing on Page 2).
When mounting the fan on a masonry wall, drill M|cx holes for the four anchors and mounting screws (provided).
Tap the anchors flush into the holes. When mounting the fan on a wood surface, wood screws should be used.
Note: If the fan is to be mounted on a wall surface which is Lapped Siding, a mounting frame made from 1 x 1 board may be necessary fora flush fit (see Illustration #2).
Before mounting the fan, bring the electrical supply through the wall. Attach the extension collar to the fan duct connection collar. The connection should be as air tight as possible to prevent leakage from the wall cavity. Apply a generous amount of polyurethane caulk to the exterior side of the fan housing backplate. This will ensure an
airtight, waterproof connection between the fan and the wall surface. If a mounting frame is used in conjunction with lapped siding, be certain to apply a generous amount of caulk between the frame and the wall as well as the fan backplate and the frame. Mount the fan to the wall.
Note: Se certain to make an airtight seal around all interior wall penetrations before attaching duct work.
FINAL INSTALLATION NOTE:
If the fan is being mounted in a location other than under an eve or protected by an eve, it is highly recommended that a standard flashing be installed and sealed against the wall and upper edge of the fan discharge cover to prevent rain water running down the wall surface from entering the fan housing (see Illustration #)
a) Whenever the duct passes through an unconditioned space, it is recommended that insulated ducting be used. This will prevent the possibility of condensation from building up both within the duct and on the exterior duct wall, particularly when the fan is used as bathroom exhaust where high levels of moisture in the air stream is common.
b) Insulated flexible duct, as used for take-offs in residential heating and air conditioning systems is recommended.
Since the fans are capable of overcoming higher resistance created by long duct runs and flexible duct work, the system will not see an appreciable loss of performance. However, when using flexible duct, it should be stretched as straight and tight as possible to minimize losses.
c) When connecting ductwork to the fan, grilles, or transitional devices, make as airtight a connection as possible to prevent leakage of moisture, odors or other contaminants which are being exhausted.
Do not connect power supply until tan is completely installed. Make sure electrical service to the tan is locked in on position.
1. All units are suitable for use with solid-state speed control.
2. This unit has rotating parts and safety precautions should be exercised during installation, operation and maintenance.
3. CAUTION: For General Ventilation Use Only. Do Not use to exhaust Hazardous or Explosive Materials and Vapors.
4. WARNING: To reduce the risk of fire, electric shock, or injury lo persons – observe the following:
a. Use this unit only in the manner intended by the manufacturer. If you have questions, contact the factory.
b. Before servicing or cleaning, switch power off at service panel and lock service panel to prevent fan from being switched on accidentally.
c. Installation work and electrical wiring must be done by qualified person(s) in accordance with all applicable codes and standards, including fire-rated construction.
d. Sufficient air flow is needed for proper combustion and exhausting of gases through the flue (chimney) of fuel burning equipment to prevent backdrafting. Follow the heating equipment manufacturers guidelines and safety standards such as those published by the National Fire Protection Association (NFPA), the American
Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) and the local code authorities.
e. When cutting or drilling into wall or ceiling, do not damage electrical wires or other hidden utilities.
f. Ducted fans must always be vented to the outdoors.
g. Install fan at least five feet above the floor.
h. Acceptable for use over a bathtub or shower when installed in a GFCI protected branch circuit.
i. NEVER place a switch where it can be reached from a tub or shower.
5. Warning! Check voltage at the fan to see if it corresponds to the motor nameplate.
Guards must be installed when fan is within reach of personnel or within seven (7) feet of working level or when deemed advisable for safety.
Remove the screws securing the terminal box cover plate located on the fan motor mounting bracket. All fan motor and capacitor connections are pre-wired to an electrical terminal strip. A C|,” romex type cable restraint connector will be needed to secure the wiring through the knockout provided on the side of the terminal box.
Bring incoming electrical service through the romex connector and the fan electrical service opening (Refer to 1 opening, Dimensions G & H). Be sure to place the connector nut over the wiring coming into the terminal box.
For Models RVF4 RVF8XL, the fan motor capacitor is loose in the terminal box. Move the capacitor to allow access to the terminal strip (see lllustration #3). There are two open ports on the terminal strip. Using a small regular screwdriver, tighten the neutral (white) wire of the incoming supply under the open terminal strip port labelled N. Tighten the line (black wire of the incoming supply under the open terminal strip port labelled L.
Secure the ground wire beneath one of the terminal box mounting screws as indicated in the illustrations.
Secure the romex connector. Secure the incoming supply with the romex connector. Place the capacitor back into the terminal box. Replace the fan terminal box cover.
All fan motor and capacitor connections have been pre-wired from the factory. No additional fan wiring is necessary.
If fan fails to operate, please check the following:
1. Consult wiring diagrams (page four of these instructions) to assure proper connection.
2. Check motor lead wiring, capacitor leads and incoming supply leads to assure definite contact.
3. If possible, use a meter to test for continuity across the fan motor leads. In order to do this, the capacitor must be disconnected (do not test the capacitor – it will not meter continuity). If motor leads show continuity, consult factory for a replacement capacitor.
1. Since fan bearings are sealed and provided with an internal lubricating material, no additional lubrication is necessary.
2. When using in a dryer boosting application, DISCONNECT POWER SUPPLY and check impeller periodically for lint buildup.
No other maintenance is necessary.
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