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Summary of Contents for Greenheck QEM
- Page 1 Plenum Fans Models QEM and QEP Belt and Direct Drive September 2008...
- Page 2 Quiet & Efficient Plenum Fans Models QEM and QEP plenum fans are designed and engineered to provide superior performance and reliability in commercial or industrial applications. Our products are manufactured with state of the art laser, forming, spinning and welding equipment and endure our quality control testing to ensure trouble free start-up.
- Page 3 12-blade wheel designs where customers demand higher mechanical efficiency and lower sound levels. Model QEM and QEP plenum fans feature a 12-blade aluminum airfoil construction wheel. As demonstrated in Figure 1, this 12-blade design meets customer needs by providing higher efficiency, lower sound levels as well as lower energy consumption.
- Page 4 Standard Construction and Features QEM Arrangement 9 Motor on Right QEP Arrangement 3...
- Page 5 (inlet and outlet). Quality Assurance All plenum fans receive a run test at the design speed in the factory after final assembly. QEM fans are checked for amp draw and the levels recorded. QEP fans are subjected to a complete vibration analysis in three planes.
- Page 6 Optional Construction Inlet Guard Protective Cage Inlet Guard Shaft Guard Protective Cage Protective Cage Belt Guard Protective Cage Belt Guard Structural Isolation Base...
- Page 7 Optional Construction & Accessories Inlet Guard Assembled and mounted low-pressure loss, zinc coated guards. Belt Guard Custom guarding with two tachometer holes and belt tension inspection door, assembled and mounted. Protective Cage Totally enclosed guard to protect personnel from unhoused spinning wheel. Typically packaged with a belt guard to provide complete protection.
- Page 8 Arrangements QEP Arrangement 1 — Horizontal, Motor on Base Sizes 12—73 (shown with optional base & belt guard) QEP Arrangement 3 — Horizontal, Motor on Base Sizes 18—73 (shown with optional base & belt guard) QEP Arrangement 3 — Horizontal, Motor on Frame (Side) Sizes 12—73 QEP Arrangement 3 —...
- Page 9 Arrangements Available Motor on Frame Positions Left Available Motor on Base Positions QEM Arrangement 9 — Horizontal, Motor on Frame (Side) Sizes 12—36 QEM Arrangement 4 — Horizontal, Direct Drive Sizes 15—36 Right...
- Page 10 System Considerations Air Plenum Design Guidelines To assure optimum performance and be able to use the system effect coefficients below, the following guidelines should be adhered to in the plenum design: 1. Flexible connections at the inlet are recommended to isolate vibration.
- Page 11 (Note: The bhp does not include drive losses. Consult AMCA Publication 203-90 for help in estimating drive the option of selecting either model QEM or QEP. ELEVATION (FEET ABOVE SEA LEVEL) 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 0.77...
- Page 12 Model QEM (in. wg) Model QEP 950 RPM (50 Hz) Static Pressure Model QEM (in. wg) Model QEP Direct Drive models are not licensed to bear the AMCA Seal QEP Arrangement 4 Horizontal, Direct Drive QEM Arrangement 4 Horizontal, Direct Drive...
- Page 13 Direct Drive Selections 1770 RPM (60 Hz) Static Pressure Model QEM (in. wg) Model QEP 1170 RPM (60 Hz) Static Pressure Model QEM (in. wg) Model QEP 870 RPM (60 Hz) Static Pressure Model QEM (in. wg) Model QEP 690 RPM...
- Page 14 A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA International Standard 301. Outlet ratings do not include the effects of duct end correction. The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L A and L 184T 1/3 [hp] 15.00...
- Page 15 A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA International Standard 301. Outlet ratings do not include the effects of duct end correction. The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L A and L 213T 1/3 [hp] 15.00...
- Page 16 A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA International Standard 301. Outlet ratings do not include the effects of duct end correction. The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L A and L 215T 1/3 [hp] 16.50...
- Page 17 A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA International Standard 301. Outlet ratings do not include the effects of duct end correction. The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L A and L 215T 1/3 [hp] 18.25...
- Page 18 A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA International Standard 301. Outlet ratings do not include the effects of duct end correction. The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L A and L 254T 1/3 [hp] 20.00...
- Page 19 A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA International Standard 301. Outlet ratings do not include the effects of duct end correction. The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L A and L 254T 1/2 [hp] 22.25...
- Page 20 A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA International Standard 301. Outlet ratings do not include the effects of duct end correction. The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L A and L 256T 3/4 [hp] 24.50...
- Page 21 A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA International Standard 301. Outlet ratings do not include the effects of duct end correction. The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L A and L 256T 3/4 [hp] 27.00...
- Page 22 A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA International Standard 301. Outlet ratings do not include the effects of duct end correction. The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L A and L 284T 3/4 [hp] 30.00...
- Page 23 A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA International Standard 301. Outlet ratings do not include the effects of duct end correction. The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L A and L 286T ⁄...
- Page 24 A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA International Standard 301. Outlet ratings do not include the effects of duct end correction. The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L A and L 324T ⁄...
- Page 25 Plenum Size 40 Plenum Size QEP Class I Maximum rpm QEP Class II Maximum rpm 1238 QEP Class III Maximum rpm QEP Motor on Frame Limit Minimum Motor Size Wheel Diameter (rpm / 341) Peak Power (rpm / 376) cfm / 12.3 Wheel Outlet Velocity /s / 7.27 rpm x 10.5...
- Page 26 Plenum Size 44 Plenum Size QEP Class I Maximum rpm QEP Class II Maximum rpm 1120 QEP Class III Maximum rpm 1411 QEP Motor on Frame Limit Minimum Motor Size Wheel Diameter (rpm / 288) Peak Power (rpm / 318) cfm / 15.1 Wheel Outlet Velocity /s / 8.88...
- Page 27 Plenum Size Plenum Size 49 QEP Class I Maximum rpm QEP Class II Maximum rpm 1017 QEP Class III Maximum rpm 1281 QEP Motor on Frame Limit Minimum Motor Size Wheel Diameter (rpm / 245) Peak Power (rpm / 270) cfm / 18.4 Wheel Outlet Velocity /s / 10.9...
- Page 28 Plenum Size 54 Plenum Size QEP Class I Maximum rpm QEP Class II Maximum rpm QEP Class III Maximum rpm 1171 QEP Motor on Frame Limit Minimum Motor Size Wheel Diameter (rpm / 207) Peak Power (rpm / 228) cfm / 22.4 Wheel Outlet Velocity /s / 13.2 rpm x 14.2...
- Page 29 Plenum Size Plenum Size 60 QEP Class I Maximum rpm QEP Class II Maximum rpm QEP Class III Maximum rpm 1046 QEP Motor on Frame Limit Minimum Motor Size Wheel Diameter (rpm / 175) Peak Power (rpm / 193) cfm / 27.4 Wheel Outlet Velocity /s / 16.1 rpm x 15.7...
- Page 30 Plenum Size Plenum Size 66 QEP Class I Maximum rpm QEP Class II Maximum rpm QEP Class III Maximum rpm QEP Motor on Frame Limit Minimum Motor Size Wheel Diameter (rpm / 149) Peak Power (rpm / 164) cfm / 33.2 Wheel Outlet Velocity /s / 19.5 rpm x 17.3...
- Page 31 Plenum Size Plenum Size 73 QEP Class I Maximum rpm QEP Class II Maximum rpm QEP Class III Maximum rpm QEP Motor on Frame Limit Minimum Motor Size Wheel Diameter (rpm / 126) Peak Power (rpm / 139) cfm / 40.6 Wheel Outlet Velocity /s / 23.9 rpm x 19.1...
- Page 32 Dimensions For additional dimensional data, including QEP Arrangement 4, please refer to the CAPS program. QEM Arrangement 9 - Horizontal, Motor on Frame, Mounted on Side Size 20.13 20.13 21.00 24.63 23.00 27.63 26.13 29.13 29.00 28.13 32.13 49.00 31.63 33.94...
- Page 33 Dimensions QEP Arrangement 1 - Horizontal, Motor on Frame, Mounted on Side Size 11.38 24.88 11.38 24.88 27.00 MOTOR ON LEFT (OPTIONAL) QEP Arrangement 1 - Horizontal, Motor on Frame, Mounted on Top Size 11.38 24.88 11.38 24.88 27.00 (MAX) QEP Arrangement 1 - Vertical, Motor on Frame, Mounted on Side Size 11.38...
- Page 34 Dimensions QEP Arrangement 3 - Horizontal, Motor off Frame Size 24.63 26.13 27.13 29.13 33.13 20.88 22.38 34.88 38.88 37.63 41.63 29.00 49.13 48.13 68.00 34.00 63.13 69.00 92.00 46.00 QEP Arrangement 3 - Horizontal, Motor on Frame, Mounted on Top Size 24.63 26.13 27.38 21.13...
- Page 35 Dimensions QEP Arrangement 3 - Horizontal Motor on Frame, Mounted on Side Dimensions Size 21.13 28.38 23.00 30.13 32.13 20.88 22.38 37.88 34.88 40.63 42.00 29.00 68.00 34.00 67.13 69.00 92.00 46.00 76.00 QEP Arrangement 3 - Vertical, Motor on Frame, Mounted on Side Size 24.63 26.13...
- Page 36 And building owners and occupants value the energy efficiency, low maintenance and quiet dependable operation they experience long after the construction project ends. Prepared to Support Green Building Efforts QEM and QEP, Rev. 2, September 2008 SP Copyright © 2008 Greenheck Fan Corp.