LC: Low Contour Power Roof Ventilators

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  • HLC
  • HLCH
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TLC

TLC

HLC

HLC

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TLCH

Standard Construction Features

Standard Construction Features

Standard Construction Features

Standard Construction Features

AMCA Air Cert. logo

Certifications, vary by model

LOREN COOK COMPANY’s LC Power Roof Ventilators have been designed to provide a low silhouette for clean architectural lines.

Related Documents

See the Downloads tab for specifications, submittals and FanDrafter files

See also LO-PRO: Low Profile High Pressure Roof Exhaust Ventilator

  • TLC-D

  • TLC-B

  • HLC-D

  • HLC-B

  • TLCH-D/TLCH-B

  • Downloads

AC

LOREN COOK COMPANY certifies that the TLC-D shown herein is licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and AMCA Publication 311 and comply with the requirements of the AMCA Certified Ratings Program.

Type TLC-D is furnished standard with UL 705 and CUL 705 listing (Power Ventilator/ZACT) when furnished with factory supplied motor.

TLC-D

Tiered Low-Contour
Power Roof Ventilator
Direct Drive

  • Constructed with extruded aluminum louvered design that is architecturally pleasing.

Description: Fan shall be a tiered aluminum, low profile, roof mounted, direct driven, downblast centrifugal exhaust ventilator.

Certifications: Fan shall be manufactured at an ISO 9001 certified facility. Fan shall be listed by Underwriters Laboratories (UL 705) and UL listed for Canada (cUL 705). Fan shall bear the AMCA Certified Ratings Seal for Sound and Air Performance.

Construction: The fan shall be of bolted and welded construction utilizing corrosion resistant fasteners. The fan shall be enclosed in a tiered extruded aluminum housing. The aluminum base shall have continuously welded curb cap corners for maximum leak protection. Motor shall be mounted on a minimum 12 gauge steel power assembly, isolated from the unit structure with rubber vibration isolators. Unit shall bear an engraved aluminum nameplate. Nameplate shall indicate design CFM and static pressure. Unit shall be shipped in ISTA Certified Transit Tested Packaging.

Wheel: Wheel shall be centrifugal backward inclined, constructed of 100% aluminum, including a precision machined cast aluminum hub. An aerodynamic aluminum inlet cone shall be provided for maximum performance and efficiency. Wheel shall be balanced in accordance with AMCA Standard 204-05, Balance Quality and Vibration Levels for Fans.

Motor: Motor shall be NEMA design B with a minimum of class B insulation rated for continuous duty and furnished at the specified voltage, phase and enclosure.

Product: Fan shall be model TLC-D as manufactured by LOREN COOK COMPANY of Springfield, Missouri.

Dimensions (Inches)

ACEd dimension drawing

Size A Dia. B C D G T Sq. Approx. Ship.     Wt. -  Lbs. Roof Opening Sq.*
70 16-7/8 4-1/4 27-1/2 36-1/4 2 18 75 13-1/2
90 17-3/8 4-3/4 27-1/2 36-1/4 2 18 80 13-1/2
100 17-3/8 4-3/4 27-1/2 36-1/4 2 18 80 13-1/2
120 22-1/2 5-7/8 29-1/2 37-1/4 2 20 170 15-1/2
135 22-3/4 6-1/8 29-1/2 37-1/4 2 20 170 15-1/2
150 23-7/8 7-1/4 33-1/2 42-1/4 2 24 200 19-1/2
165 24 7-3/8 33-1/2 42-1/4 2 24 200 19-1/2
180 28-3/8 8-1/4 39-5/8 51-1/2 3 30 240 25-1/2

*Roof opening size for curbs supplied by LOREN COOK COMPANY only.

AC

LOREN COOK COMPANY certifies that the TLC-B shown herein is licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and AMCA Publication 311 and comply with the requirements of the AMCA Certified Ratings Program.

Type TLC-B is furnished standard with UL 705 and CUL 705 listing (Power Ventilator/ZACT) when furnished with factory supplied motor.

TLC-B

Tiered Low-Contour
Power Roof Ventilator
Belt Drive

  • Constructed with extruded aluminum louvered design that is architecturally pleasing.

Description: Fan shall be a tiered aluminum, low profile, roof mounted, belt driven, centrifugal exhaust ventilator.

Certifications: Fan shall be manufactured at an ISO 9001 certified facility. Fan shall be listed by Underwriters Laboratories (UL 705) and UL listed for Canada (cUL 705). Fan shall bear the AMCA Certified Ratings Seal for Sound and Air Performance.

Construction: The fan shall be of bolted and welded construction utilizing corrosion resistant fasteners. The fan shall be enclosed in a tiered extruded aluminum housing. The aluminum base shall have continuously welded curb cap corners for maximum leak protection. Bearings, drives and motor shall be mounted on a minimum 12 gauge steel power assembly, isolated from the unit structure with rubber vibration isolators. Unit shall bear an engraved aluminum nameplate. Nameplate shall indicate design CFM, static pressure and maximum fan RPM. Unit shall be shipped in ISTA Certified Transit Tested Packaging.Wheel - Wheel shall be centrifugal backward inclined, constructed of 100% aluminum, including a precision machined cast aluminum hub. Wheel inlet shall overlap an aerodynamic aluminum inlet cone to provide maximum performance and efficiency. Wheel shall be balanced in accordance with AMCA Standard 204-05, Balance Quality and Vibration Levels for Fans.

Motor: Motor shall be Nema design B with class B insulation rated for continuous duty and furnished at the specified voltage, phase and enclosure.

Bearings: Bearings shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy duty regreasable ball type in a cast iron housing selected for a minimum L50 life in excess of 200,000 hours at maximum cataloged operating speed.

Belts and Drives: Belts shall be oil and heat resistant, static conducting. Drives shall be precision machined cast iron type, keyed and securely attached to the wheel and motor shafts. Drives shall be sized for 150% of the installed motor horsepower. The variable pitch motor drive must be factory set to the specified fan RPM.

Product: Fan shall be model TLC-B as manufactured by LOREN COOK COMPANY of Springfield, Missouri.

Dimensions (Inches)

ACEd dimension drawing

Size A Dia. B C D G T Sq. Approx. Ship.     Wt. -  Lbs. Roof Opening Sq.*
100 17-7/8 5-1/4 27-1/2 36-1/4 2 18 77 13-1/2
120 22-1/2 5-7/8 29-1/2 37-1/4 2 20 175 15-1/2
135 22-3/4 5-7/8 29-1/2 37-1/4 2 20 175 15-1/2
150 23-7/8 7-3/8 33-1/2 42-1/4 2 24 205 19-1/2
165 24 7-3/8 33-1/2 42-1/4 2 24 205 19-1/2
180 28-3/8 8-1/4 39-5/8 51-1/2 3 30 245 25-1/2
195 29-1/8 9-1/4 39-5/8 51-1/2 3 30 245 25-1/2
210 29-3/8 9-1/4 39-5/8 51-1/2 3 30 280 25-1/2
225 30-1/8 10 39-5/8 51-1/2 3 30 285 25-1/2
245 30-3/4 10-5/8 39-5/8 51-1/2 3 30 290 25-1/2
270 34-5/8 11 45-7/8 60-1/4 3 36 385 31-1/2
300 35-3/4 12-1/8 45-7/8 60-1/4 3 36 405 31-1/2
330 40-1/4 13-1/8 53 66-1/4 3 42 475 37-1/2
365 41-1/8 14 53 66-1/4 3 42 485 37-1/2
402 48-3/8 14-1/4 59 73-1/4 3 48 565 43-1/2
445 49-5/8 16-1/2 65 79-1/4 3 54 635 49-1/2
490 51-1/8 18 65 79-1/4 3 54 635 49-1/2
540 49-3/4 13-5/8 77 91-1/4 3 66 790 61-1/2

*Roof opening size for curbs supplied by LOREN COOK COMPANY only.

AC

LOREN COOK COMPANY certifies that the HLC-D shown herein is licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and AMCA Publication 311 and comply with the requirements of the AMCA Certified Ratings Program.

Type HLC-D is furnished standard with UL 705 and CUL 705 listing (Power Ventilator/ZACT) when furnished with factory supplied motor.

HLC-D

Hooded Low-Contour
Power Roof Ventilator
Direct Drive

  • Sizes 70-180 are constructed with a hinged aluminum hood.

Description: Fan shall be a hooded, low profile, roof mounted, direct driven, downblast centrifugal exhaust ventilator.

Certifications: Fan shall be manufactured at an ISO 9001 certified facility. Fan shall be listed by Underwriters Laboratories (UL 705) and UL listed for Canada (cUL 705). Fan shall bear the AMCA Certified Ratings Seal for Sound and Air Performance.

Construction: The fan shall be of bolted and welded construction utilizing corrosion resistant fasteners. The fan shall be enclosed with a minimum .064 aluminum hood bolted to the fan housing. The hood shall be removable to allow unobstructed access to the motor and power assembly. The aluminum base shall have continuously welded curb cap corners for maximum leak protection. Motor shall be mounted on a minimum 12 gauge steel power assembly, isolated from the unit structure with rubber vibration isolators. Unit shall bear an engraved aluminum nameplate. Nameplate shall indicate design CFM and static pressure. Unit shall be shipped in ISTA Certified Transit Tested Packaging.

Wheel: Wheel shall be centrifugal backward inclined, constructed of 100% aluminum, including a precision machined cast aluminum hub. An aerodynamic aluminum inlet cone shall be provided for maximum performance and efficiency. Wheel shall be balanced in accordance with AMCA Standard 204-05, Balance Quality and Vibration Levels for Fans.

Motor: Motor shall be NEMA design B with a minimum of class B insulation rated for continuous duty and furnished at the specified voltage, phase and enclosure.

Product: Fan shall be model HLC-D as manufactured by LOREN COOK COMPANY of Springfield, Missouri.

Dimensions (Inches)

ACEd dimension drawing

Size A Dia. B C D G T Sq. Approx. Ship.     Wt. -  Lbs. Roof Opening Sq.*
70 16-1/2 4-1/4 31-1/4 34-1/8 2 18 70 13-1/2
90 17 4-3/4 31-1/4 34-1/8 2 18 85 13-1/2
100 17 4-3/4 31-1/4 34-1/8 2 18 85 13-1/2
120 19-5/8 5-7/8 34-3/4 35-1/8 2 20 165 15-1/2
135 19-7/8 6-1/8 34-3/4 35-1/8 2 20 165 15-1/2
150 21-1/4 7-1/4 40-1/8 42-1/8 2 24 190 19-1/2
165 21-3/8 7-3/8 40-1/8 42-1/8 2 24 190 19-1/2
180 26-1/4 8-1/4 43-7/8 47-1/8 3 30 220 25-1/2

*Roof opening size for curbs supplied by LOREN COOK COMPANY only.

AC

LOREN COOK COMPANY certifies that the HLC-B shown herein is licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and AMCA Publication 311 and comply with the requirements of the AMCA Certified Ratings Program.

Type HLC-B is furnished standard with UL 705 and CUL 705 listing (Power Ventilator/ZACT) when furnished with factory supplied motor.

HLC-B

Hooded Low-Contour
Power Roof Ventilator
Direct Drive

  • Sizes 100-245 are constructed with a hinged aluminum hood. Sizes 270-540s' aluminum hood is designed with a removable top for easy access.

Description: Fan shall be a hooded, low profile, roof mounted, belt driven, downblast centrifugal exhaust ventilator.

Certifications: Fan shall be manufactured at an ISO 9001 certified facility. Fan shall be listed by Underwriters Laboratories (UL 705) and UL listed for Canada (cUL 705). Fan shall bear the AMCA Certified Ratings Seal for Sound and Air Performance.

Construction: The fan shall be of bolted and welded construction utilizing corrosion resistant fasteners. The fan shall be enclosed with a minimum .064 aluminum hood bolted to the fan housing. The hood shall be removable to allow unobstructed access to the motor and power assembly. The aluminum base shall have continuously welded curb cap corners for maximum leak protection. Bearings and drives shall be mounted on a minimum 12 gauge steel power assembly, isolated from the unit structure with rubber vibration isolators. Unit shall bear an engraved aluminum nameplate. Nameplate shall indicate design CFM, static pressure and maximum fan RPM. Unit shall be shipped in ISTA Certified Transit Tested Packaging.

Wheel: Wheel shall be centrifugal backward inclined, constructed of 100% aluminum, including a precision machined cast aluminum hub. Wheel inlet shall overlap an aerodynamic aluminum inlet cone to provide maximum performance and efficiency. Wheel shall be balanced in accordance with AMCA Standard 204-05, Balance Quality and Vibration Levels for Fans.

Motor: Motor shall be Nema design B with class B insulation rated for continuous duty and furnished at the specified voltage, phase and enclosure.

Bearings: Bearings shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy duty regreasable ball type in a cast iron housing selected for a minimum L50 life in excess of 200,000 hours at maximum cataloged operating speed.

Belts and Drives: Belts shall be oil and heat resistant, static conducting. Drives shall be precision machined cast iron type, keyed and securely attached to the wheel and motor shafts. Drives shall be sized for 150% of the installed motor horsepower. The variable pitch motor drive must be factory set to the specified fan RPM.

Product: Fan shall be model HLC-B as manufactured by LOREN COOK COMPANY of Springfield, Missouri.

Dimensions (Inches)

ACEd dimension drawing

Size A Dia. B C D G T Sq. Approx. Ship.     Wt. -  Lbs.** Roof Opening Sq.*
100 17-1/2 5-1/4 31-1/4 34-1/8 2 18 70 13-1/2
120 19-5/8 5-7/8 34-3/4 35-1/8 2 20 170 15-1/2
135 19-7/8 5-7/8 34-3/4 35-1/8 2 20 170 15-1/2
150 21-1/4 7-3/8 40-1/8 42-1/8 2 24 195 19-1/2
165 21-3/8 7-3/8 40-1/8 42-1/8 2 24 195 19-1/2
180 26-1/4 8-1/4 43-7/8 47-1/8 3 30 225 25-1/2
195 27 9-1/4 43-7/8 47-1/8 3 30 225 25-1/2
210 28-1/4 9-1/4 46-5/8 49-1/8 3 30 260 25-1/2
225 29 10 46-5/8 49-1/8 3 30 265 25-1/2
245 29-5/8 10-5/8 46-5/8 49-1/8 3 30 275 25-1/2
270 32-1/4 11 58-1/8 58-1/8 3 36 365 31-1/2
300 33-3/8 12-1/8 58-1/8 58-1/8 3 36 375 31-1/2
330 35-3/8 13-1/8 65 65 3 42 435 37-1/2
365 36-1/4 14 65 65 3 42 450 37-1/2
402 43-1/2 14-1/4 82-7/8 78-1/8 3 48 540 43-1/2
445 44-3/4 16-1/2 82-7/8 78-1/8 3 54 600 49-1/2
490 46-1/4 18 82-7/8 78-1/8 3 54 625 49-1/2
540 45-7/8 13-5/8 96 98 3 66 750 61-1/2

*Roof opening size for curbs supplied by LOREN COOK COMPANY only.**Less motor and drives.

AC

LOREN COOK COMPANY certifies that the TLCH-B and TLCH-D shown herein is licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and AMCA Publication 311 and comply with the requirements of the AMCA Certified Ratings Program.

Type TLCH-B and TLCH-D are furnished standard with UL 705 and CUL 705 listing (Power Ventilator/ZACT) when furnished with factory supplied motor.

TLCH-D /TLCH-B

Hurricane Resistant
Tiered Low-Contour
Power Roof Ventilator
Belt/Direct Drive

  • Hurricane resistant construction.
    Miami-Dade hurricane approved penthouse.

Description: Fan shall be a tiered aluminum, low profile, roof mounted, either belt or direct driven, centrifugal exhaust ventilator utilizing hurricane resistant louvers.

Certifications: Fan shall be manufactured at an ISO 9001 certified facility. Fan shall be listed by Underwriters Laboratories (UL 705) and UL listed for Canada (cUL 705). Fan shall bear the AMCA Certified Ratings Seal for Sound and Air Performance. Louvers utilized in penthouse construction shall have passed Florida/Miami-Dade County Hurricane Test Criteria: TAS-201: Large Missile Impact Test, TAS-202: Uniform Static Air Pressure Test, and TAS-203 Cyclic Wind Pressure Test.

Construction: The fan shall be of bolted and welded construction utilizing corrosion resistant fasteners. The fan shall be enclosed in a tiered extruded aluminum penthouse constructed of Miami-Dade County Approved ELF6375DXD drainable stationary louvers. Bearings, drives and motor shall be mounted on a minimum 12 gauge steel power assembly, isolated from the unit structure with rubber vibration isolators. Unit shall bear an engraved aluminum nameplate. Nameplate shall indicate design CFM, static pressure and maximum fan RPM. Unit shall be shipped in ISTA Certified Transit Tested Packaging.

Wheel: Wheel shall be centrifugal backward inclined, constructed of 100% aluminum, including a precision machined cast aluminum hub. Wheel inlet shall overlap an aerodynamic aluminum inlet cone to provide maximum performance and efficiency. Wheel shall be balanced in accordance with AMCA Standard 204-05, Balance Quality and Vibration Levels for Fans.

Motor: Motor shall be Nema design B with class B insulation rated for continuous duty and furnished at the specified voltage, phase and enclosure.

Bearings (Belt Units Only): Bearings shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy duty regreasable ball type in a cast iron housing selected for a minimum L50 life in excess of 200,000 hours at maximum cataloged operating speed.

Belts and Drives (Belt Units Only): Belts shall be oil and heat resistant, static conducting. Drives shall be precision machined cast iron type, keyed and securely attached to the wheel and motor shafts. Drives shall be sized for 150% of the installed motor horsepower. The variable pitch motor drive must be factory set to the specified fan RPM.

Product: Fan shall be model TLCH-B or TLCH-D as manufactured by LOREN COOK COMPANY of Springfield, Missouri.

Dimensions (Inches)

ACEd dimension drawing

TLCH-D Size TLCH-B Size A B C Roof Opening  Ship.  Wt*
70-100 100 44 48 31 32 x 36 170
120 120 44 48 31 32 x 36 235
135 135 44 48 31 32 x 36 235
150 150 44 48 31 32 x 36 250
165 165 44 48 31 32 x 36 250
180 180 54 58 37 42 x 46 320
- 195 54 58 37 42 x 46 320
- 210 54 58 37 42 x 46 345
- 225 54 58 37 42 x 46 350
- 245 54 58 37 42 x 46 355
- 270 66 75 43 54 x 63 520
- 300 66 75 43 54 x 63 570
- 330 66 75 43 54 x 63 570
- 365 66 75 43 54 x 63 580

*Roof opening size for curbs supplied by LOREN COOK COMPANY only.*Less motor and drives.