Greenheck CUE Series Installation, Operation And Maintenance Manual

Greenheck CUE Series Installation, Operation And Maintenance Manual

Upblast centrifugal roof exhaust fans

Advertisement

®
Installation, Operation and Maintenance Manual
Please read and save these instructions for future reference. Read carefully before attempting to assemble,
install, operate or maintain the product described. Protect yourself and others by observing all safety
information. Failure to comply with instructions could result in personal injury and/or property damage!
Model CUE
Direct Drive
Model CUE is a direct drive upblast
centrifugal exhaust fan. These fans
are specifically designed for roof
mounted application. Performance
capabilities
range
up
3
cfm (10,874 m
/hr) and up to
3 in. wg (747 Pa) of static pressure.
The maximum continuous operating
temperature for fan sizes 098-200 is
400°F (204°C) and for fan sizes 060-
095 is 160°F (71°C). CUE fans are
available in fourteen sizes with nominal wheel diameter
ranging from 9 to 20 inches (229 to 508 mm) (060 - 200
unit sizes). Each fan shall bear a permanently affixed
manufacturers engraved metal nameplate containing the
model number and individual serial number.
General Safety Information
Only qualified personnel should install this fan.
Personnel should have a clear understanding of these
instructions and should be aware of general safety
precautions. Improper installation can result in electric
shock, possible injury due to coming in contact with
moving parts, as well as other potential hazards.
Other considerations may be required if high winds
or seismic activity are present. If more information is
needed, contact a licensed professional engineer before
moving forward.
DANGER
Always disconnect, lock and tag power source before
installing or servicing. Failure to disconnect power
source can result in fire, shock or serious injury.
CAUTION
When servicing the fan, motor may be hot enough
to cause pain or injury. Allow motor to cool before
servicing.
CAUTION
Precaution should be taken in explosive atmospheres.
®
to
6,400
Upblast Centrifugal Roof Exhaust Fans
Model CUBE
Belt Drive
Model CUBE is a belt drive upblast
centrifugal exhaust fan. These fans
are specifically designed for roof
mounted applications. Performance
capabilities range up to 30,000 cfm
(50,970 m
(1240 Pa) of static pressure. The
maximum continuous operating tem-
perature is 400°F (204°C). CUBE fans
are available in fourteen sizes with
nominal wheel diameter ranging from
9 to 48 inches (229 to 1219 mm) (098 - 480 unit sizes).
Each fan shall bear a permanently affixed manufacturers
engraved metal nameplate containing the model num-
ber and individual serial number.
1. Follow all local electrical and safety codes, as well as
the National Electrical Code (NEC) and the National
Fire Protection Agency (NFPA), where applicable.
Follow the Canadian Electrical Code (CEC) in
Canada.
2. The rotation of the wheel is critical. It must be
free to rotate without striking or rubbing any
stationary objects.
3. Motor must be securely and adequately grounded.
4. Do not spin fan wheel faster than max cataloged fan
RPM. Adjustments to fan speed significantly effects
motor load. If the fan RPM is changed, the motor
current should be checked to make sure it is not
exceeding the motor nameplate amps.
5. Do not allow the power cable to kink or come in
contact with oil, grease, hot surfaces or chemicals.
Replace cord immediately if damaged.
6. Verify that the power source is compatible with
the equipment.
7. Never open access doors to a duct while the fan
is running.
Upblast Centrifugal Roof Exhaust Fans
Document 471560
3
/hr) and up to 5.0 in. wg
1

Advertisement

Table of Contents
loading

Summary of Contents for Greenheck CUE Series

  • Page 1 Document 471560 Upblast Centrifugal Roof Exhaust Fans ® Installation, Operation and Maintenance Manual Please read and save these instructions for future reference. Read carefully before attempting to assemble, install, operate or maintain the product described. Protect yourself and others by observing all safety information.
  • Page 2 field with the carrier. Any physical damage to the unit after acceptance is not the responsibility of Greenheck Fan Corporation. Unpacking Fig. 3...
  • Page 3: Inspection And Maintenance During Storage

    and along all walls should be provided to permit air Installation circulation and space for inspection. Typical Roof Mounting Installation Outdoor 1. On the roof surface, cut an appropriate sized hole Fans designed for outdoor applications may be stored and follow manufacturer’s instructions on curb outdoors, if absolutely necessary.
  • Page 4 CUE - Direct Drive Commercial Kitchen Installation Fig. 6 - Typical Roof Mounting Installation Curb Roof *Approx. Model Damper Opening Weight Screw Screw ⁄ CUE 060, 065, 070, 075 (432) (203) (267) (12) Optional NEMA 3R Disconnect ⁄ CUE 080, 085, 090 factory wired (483) (254)
  • Page 5: Maintenance

    Electric Connection Grease Trap Emergency Smoke Control A grease trap is an aluminum trap designed to collect grease residue to avoid drainage onto roof surface. It The motor’s amperage and voltage rating must be contains a built-in water separating baffle. checked for compatibility to the supply voltage prior to final electrical connection.
  • Page 6 Pre-Starting Checks Model CUBE Pre-Starting Belt Tension Checks 1. Check all fasteners and set screws for tightness. The wheel should rotate freely and be aligned as shown 4. Always loosen tension enough to install belts without in figure 7. stretching, see figure 9. 2.
  • Page 7 8a. Sizes 071-161: Belts should be tensioned just Inspection: CUE / CUBE enough to prevent slippage at full load. Inspection of the fan should be conducted at the Note: Belts should have a slight bow on the slack first 30 minute and 24 hour intervals of satisfactory side while running at full load (see figure 12a).
  • Page 8: Fan Inlet Connections

    Belt/Bearing Maintenance CUBE Unit 11. Fan RPM should not be readjusted. Only use pulleys of identical size and type when replacing 1. Belts tend to stretch after a period of time. They pulleys. should be checked periodically for wear and 12.
  • Page 9: Troubleshooting

    Troubleshooting WARNING: Before taking any corrective action, make certain unit is not capable of operation during repairs. PROBLEM CAUSE CORRECTIVE ACTION Adjust wheel and/or inlet cone. Tighten wheel hub or bearing collars Wheel rubbing inlet on shaft. Tighten pulleys on motor/fan shaft. Adjust belt tension. Align pulleys V-belt drive properly, see page 6/figure 9-10.
  • Page 10 Maintenance Documentation Job Information Job Name: ___________________________________ Service Organization: ______________________________ Address: _____________________________________ Address: _________________________________________ City: ________________________________________ City: _____________________________________________ State: _______________ Zip: __________________ State: ____________ Zip: __________________________ Phone: ______________________________________ Phone: ___________________________________________ Contact Person: ______________________________ Work Done By: ____________________________________ Nameplate Information Field Start-Up Documentation Model: ______________________________________ Volts: _________ Hertz: ________...
  • Page 11: Parts List

    Motor Cover nameplate with model number and serial number embossed. This information will Hoodband Hood Clip assist the local Greenheck representative and the factory in providing service and Motor Disconnect replacement parts. Before taking any corrective action, make certain unit is not...
  • Page 12: Roof Curb Installation

    Roof Curb Installation Our Commitment As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications without notice. Specific Greenheck product warranties are located on greenheck.com within the product area tabs and in the Library under Warranties.

Table of Contents