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Charley's Greenhouse
17979 State Route 536
Mt. Vernon, WA 98273
1-800-322-4707
Fax 360-873-8264

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360-428-2626

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3427 Lean-To Power-Vent System, 10" Fan (585 cfm) (C3420 06 18)

Qty.

This is a Charley's exclusive item, available only from Charley's Greenhouse.
$458.00

For automatic cooling

A narrow home-attached greenhouse will receive adequate fresh air from a single oversized intake shutter. It is preferable to locate the fan on the endwall opposite the door, and the shutter next to the door.

System includes:(1)10" shuttered exhaust fan (585 cfm), (1) 18" motorized intake shutter, waterproof thermostat, fan speed control, and installation directions.


See Also
3428 Lean-To Power-Vent System, 12" Fan (800 cfm) (C3420 06 30)
3429 Lean-To Power-Vent System, 16" Fan (1095 cfm) (C3420 08 40)

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Learn More About
3427 Lean-To Power-Vent System, 10" Fan (585 cfm) (C3420 06 18)

General Product Information:
System includes:
1 - Intake Shutter 18" x 18"
1 - Exhaust Fan 10" x 10"
1 - Fan Speed Control
1 - Waterproof Thermostat
1 – Shutter Motor

Shipping Information:
Standard shipping charges apply.


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Adobe PDF Files


Installation:
See the PDF files above for instructions and installation diagrams.

Exhaust Fan Information:
Efficient, easy-to-install exhaust fan with automatic shutters. Shutter flanges have eight pre-punched ¼ x ½” diameter mounting holes for ease of installation. Fan guards have charcoal gray metallic polyester finish to resist corrosion. Wire guards comply with OSHA Federal ½” max. opening requirement. Totally enclosed, sleeve bearing 115V, 60 Hz motors. Shipped completely assembled.

Dimensions: See Exhaust Fan Specs. above.
Color: Aluminum

Unpacking:

  1. Inspect for any damage that may have occurred during transit.
  2. Shipping damage claim must be filed with carrier or by calling Charley’s Customer Service at 1-800-322-4707.
  3. Check all bolts, screws, setscrews, etc. for looseness that may have occurred during transit. Retighten as required.
  4. Before installing, rotate the propeller to be sure there are no obstructions, which would interfere with proper operation. Adjust as required.
Installation:
The unit should be securely mounted to a rigid framework.
  1. Frame opening for fan should be square and ½” larger than fan size. For a 10” fan the rough opening should be 10 ½ x 10 ½. Insert the fan (shutter end first) through the opening. Attach the flange to the frame using nails or screws.
  2. Install any auxiliary components.
  3. Connect power to the motor, using an approved wiring method. See Wiring Diagram above.
    Caution: Fan frame and motor must be securely and adequately grounded to a suitable electrical ground, such as a ground water pipe or ground wiring system.
  4. Before activating the fan, double-check to ensure that there are no obstructions (framing, stud, shutter, etc.) which would interfere with proper fan operation.
Operation:
  1. Keep the area free of objects that could impede air flow on both the intake and exhaust side of fan.
  2. For proper exhaust operation, a window, door, or louver should be opened on the opposite side of the area to be ventilated.
  3. Turn the fan on, the shutter will open automatically. When the unit is turned off, the shutter will close.
  4. Speed controllable units are designed to operate at a minimum of fifty percent line voltage.
Trouble Shooting:
Excessive Noise:
  1. Dry motor bearings
    Relubricate motor bearings.
  2. Loose propeller
    Tighten setscrews in hub
  3. Crooked or damaged propeller
    Replace propeller
Fan Inoperative:
  1. Blown fuse or open circuit breaker
    Replace fuse or reset circuit breaker
  2. Defective motor
    Repair or replace motor
  3. Speed control off or too low
    Turn controller on
Insufficient air flow:
  1. Blocked intake or exhaust opening
    Clear opening of obstruction or increase size of opening
  2. Low voltage
    Determine cause and correct
  3. Speed control set too low
    Increase speed with controller
Maintenance:
Minor and Routine:
  1. Disconnect power source before servicing.
  2. Lubricate the motor sleeve bearings every six months using S.A.E., 20 non-detergent oil.
  3. Periodically clean the propeller, guard, motor, and shutter of any accumulated dirt.
General Safety Information:
Warning: Do not depend on any switch as sole means of disconnecting power when installing or servicing the fan. If the power disconnect is out-of-sight, lock it in the open position and tag to prevent application of power. Failure to do so may result in fatal electrical shock.
Caution: All electrical connections should be made by a qualified electrician.
  1. Follow all local electrical and safety codes in the United States and Canada, as well as the National Electrical Code (NEC) and the Occupational Safety and Health Act (OSHA) in the United States, and the Canadian Electric Code (CEC) in Canada.
  2. Always disconnect power source before working on or near a motor or its connected load.
    Warning: Motor will restart without warning after protector trips.
    Caution:
    • In United States to reduce the risk of injury to persons, OSHA complying guards are required when fan is installed within 7 feet of floor or working level.
    • In Canada to reduce the risk of injury to persons, CSA complying guards are required when fan is installed below 2.5 meters above floor or grade level.
  3. Protect the power cable from coming in contact with sharp objects.
  4. Do not kink power cable and never allow the cable to come in contact with oil, grease, hot surfaces, or chemicals.
  5. Make certain that the power source conforms to the requirements of your equipment.
  6. The fan frame and motor must be electrically grounded to a suitable electrical ground, such as a grounded water pipe or ground wire system.
Replacement Part List:
  1. Refer to illustration of Replacement Parts above, and call Charley’s Customer Service with part numbers.
  2. Disconnect power before servicing.
  3. Remove the four screws holding the guard to the venturi panel. Remove the guard/motor/propeller assembly.
  4. Loosen the setscrew on propeller hub and remove the propeller.
  5. Loosen the nuts holding motor on guard and remove motor.
  6. Reassemble the unit in reverse order of disassembly.
Caution: Propeller is installed hub first on motor shaft, flush with end, and setscrew located over the flat area.

Intake Shutter Information:
Composition: Frame is heavy-duty extruded aluminum, shutters aluminum.
Dimensions: 18” x 18”
Color: Unpainted aluminum

Installation:
Rough opening should be ½” larger than the shutter (i.e. 12 ½” x 12 ½” for a 12” shutter). It is preferable to install shutters on the door end wall close to the bottom, opposite exhaust fan. Use shutter motor (ordered separately) to open vanes automatically when fan comes on.

Assembly:
These shutters are a component in our Traditional Vent Systems (#3452 – 3455). Wiring between components should be done by a licensed electrician.

Shutter Motor Information:
Dimensions: 6 ½” Long x 5” Wide
Color: Silver

Installation:
  1. Fasten motor bracket loosely to shutter frame with two motor plate bolts and nuts.
  2. With Shutter closed and motor arm in closed position, loosen adjustable motor arm linkage.
  3. Connect motor arm linkage to tie bar and tighten securely.
  4. Tighten adjustable linkage that was loosened in Step 2 above.
    IMPORTANT: linkage bar must be on right side of tie bar.
  5. Slide motor plate right or left to align linkage along side tie bar. Tighten motor plate securely to frame.
  6. Determine power supply voltage and wire shutter motor per appropriate wiring diagram. Be sure to insulate the unused lead.
  7. Discard one bolt and nut on aluminum unit.
    NOTE: unit not field serviceable and should be replaced as an assembly.
Common Recommendations:
General Safety Information:
  1. Follow all local electrical and safety codes, as well as the National Electrical Code(NEC) and the Occupational Safety and Health Act(OSHA) in the United States.
  2. Motor must be securely and adequately grounded. This can be accomplished by wiring with a grounded, metal-clad raceway system, by using a separate ground wire connected to the bare metal f the motor frame, or other suitable means.
  3. Always disconnect power source before working on or near a motor or its connected load. If the power disconnect point is out-of-sight, lock it in the open position and tag to prevent unexpected application of power.
  4. Protect the power cable from coming in contact with sharp objects.
  5. Do not kink power cable and never allow the cable to come in contact with oil, grease, hot surfaces, or chemicals.
  6. Make certain that the power source conforms to the requirements of your equipment.
Replacement Part List:
  • UL18-3049 - 60Hz Motor, 120/240v
  • 3239 - Motor Bracket, nut & bolts
  • ◊ - Motor crank arm*
  • ◊ - Motor arm stop*
  • ◊ - Motor arm rubber stop*
  • ◊ - Return spring*
  • ◊ - Spring bracket*
  • ◊ 831-LN - - Linkage Kit


  • (*) Not sold separately
    (◊) Included in kit

Fan Speed Control Information:
Installation:
A qualified electrician should install this unit. See Installation Instructions above. This is a no switch (NS) model with two-wire control.

Assembly:
Cover plate is mounted last so that the speed control minimum setting may be adjusted after the unit is wired and live.

Waterproof Thermostat:
Dimensions: 3” wide x 5” long
Color: Gray with black dial.

Application:
This thermostat is intended for applications that need a rugged, weatherproof type control. These include agricultural, industrial and commercial environments. This one model is suitable for either heating control or cooling (ventilation) control in greenhouses as well as factory buildings, warehouses, garages, gymnasiums, etc.

This thermostat is designed for use only as an operating, or regulating control. Where failure of the thermostat could result in personal injury and/or loss of property, an approved backup temperature limit control should be connected in series or a supervisory alarm system should be used to warn of control failure.

Description
This thermostat has a sealed molded plastic case with all exposed metal parts of stainless steel. The unit has been tested by Underwriters Laboratories Inc. (UL), meets the requirements for NEMA 4X equipment, and is suitable for use under the National Electrical Code (N.E.C.) Article 547-4, when used with appropriate water tight connections (not included). The unit operates by expansion and contraction of liquid in response to temperature change. The liquid is contained within the stainless steel coiled sensor and actuates a stainless steel diaphragm, which in turn operates a heavy-duty precision snap action switch. The non-removable adjusting knob is provided with a large visible scale for ease of setting.

Specifications
SPDT switch (one set of contacts open on temperature rise as the other set closes). Not suitable for load transfer (see Safety Information Note 7). Range: 40° F to 110° F (135° F maximum withstand temperature), when set at low, the heating load is “off” or the cooling load is “on” continuously.

Differential
Approximately 3° F based on normal rate of temperature change. Thermostat switching mechanism is isolated from wiring compartment and sealed within the tamperproof enclosure. Thermostat may be mounted with coiled sensor at top, bottom or side as needed in application without affecting performance.

Wiring:
* If thermostat is to control only heating, insulate end of blue lead wire.
* If thermostat is to control only cooling or ventilation, insulate end of red lead wire. Installation:
Please refer to the Instruction Manual PDF file above.

Safety Information:
  1. Be certain that the electrical load to be controlled does not exceed the thermostat rating.
  2. Disconnect all power before installing or servicing.
  3. Installation must be made by a trained, experienced service person.
  4. This thermostat is intended for permanent installation and must be installed in accordance with the Nation Electrical Code (NEC) and all applicable local codes and ordinances. Use copper wire only, insulate or wire nut all unused leads.
  5. This thermostat is suitable for NEMA 4X application and is NOT to be used in potentially flammable or explosive atmospheres.
  6. In cases in which property damage may result from malfunction of the thermostat a backup system should be used. Where critical or high value products are to be maintained, an approved temperature limit should be wired in series with this thermostat. In less critical applications, a second thermostat with alarm contacts can be used to provide redundancy.
  7. A separate S.P.D.T. load switch (not supplied) must be used in applications requiring control of both heat and cooling. Failure to provide the load transfer switch could result in control failure and equipment damage.
  8. The Greenhouse thermostat is designed to prevent entry of water or dust inside the enclosure. If the cover is missing or the enclosure is cracked or broken do not install, use or operate as this could result in personal injury and or property damage.
Maintenance:
Check all connections for un-insulated or exposed wires. Check stainless steel thermostat for damage each year.

To Check Operation of Heating Systems
  1. Disconnect power.
  2. Place the heat/cool selector switch (if applicable) in the heat position.
  3. Adjust the thermostat setpoint ten or more degrees below the temperature of the controlled space.
  4. Restore Power.
  5. Slowly adjust the thermostat knob to raise the setpoint. When the setpoint reaches the approximate temperature of the controlled space, the heating equipment should start.
To Check Operation of Cooling Systems
  1. Disconnect power.
  2. Place the heat/cool selector switch (if applicable) in the cool position.
  3. Adjust the thermostat setpoint ten or more degrees above the temperature of the controlled space.
  4. Restore power.
  5. Slowly adjust the thermostat knob to lower the setpoint. When the setpoint reaches the approximate temperature of the controlled space, the cooling equipment should start.
The thermostat may be affected by heat from the hands of the installer and the temperature to which it was exposed prior to installation. Allow a necessary amount of time for the thermostat and system to stabilize for normal operation.

This thermostat is completely manufactured in the United States by experienced control specialists. The unit is accurately calibrated and should require no tweaking or correction on site. If dust or dirt from the environment should coat the coiled stainless steel sensor the operation may be affected.
Do not bend, crimp or damage the coiled stainless steel sensor – the calibration and operation may be affected.

Converting From Cooling to Heating Operation
  1. Disconnect power.
  2. Remove four screws holding the wiring compartment cover and open junction box.
  3. Remove the wire nut connecting the blue cooling lead (from the thermostat) to the red power cord wire.
  4. Connect the red wire from the power cord to the red heating wire coming from the thermostat.
  5. Tape or wire nut the end of the unused wire.
  6. The thermostat is now ready to operate heating equipment.
Reverse procedure to return to the cooling mode.

Common Recommendations:
Caution: Green ground lead wire must be connected to wiring system ground as required by applicable codes. Failure to do this could result in the hazard of electrical shock.
To control temperatures by regulating automated exhaust fan systems and 120 V heaters.

Common Recommendations:
Recommended for an 8' x 12' Greenhouse.

For further information, please contact Charley's Customer Service at 1-800-322-4707.

Warranty:
This item is backed by Charley's 100% guarantee. If you are not completely satisfied, return your purchase in the condition you receive it, within 30 days, for a refund, exchange or credit - whichever you prefer. If any product is found to be defective within the first year, it may be returned or exchanged for full credit.