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| TYPICAL SPECIFICATIONS |
| Model: |
DDAR-TH |
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| Description: |
Fan shall be a spun aluminum, roof or wall mounted,
direct drive, downblast, axial exhaust ventilator.
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| Certifications: |
Fan shall be ETL Listed and comply with UL705 (electrical) Standards and CSA Std C22.2, No 113.
Fan shall bear the AMCA certified ratings seal for air performance. |
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| Construction: |
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| Housing |
| The fan housing shall be constructed of heavy gauge aluminum and shall be spun on an
automatic lathe to provide consistent dimensions. Heavy gauge aluminum braces shall
provide a sturdy support for the motor. The discharge cap shall have a rolled bead
for added strength. |
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| Base |
| The base shall be constructed of galvanized steel. Base corners shall be welded to
provide strength and to prevent leakage into the building.
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| Propeller |
| The propeller shall be a high efficiency type fabricated design. Blades are to
die formed and securely fastened to a heavy gauge steel hub. Propeller shall
be securely fastened to the fan shaft with set screws. The propeller shall be
balanced in accordance with AMCA standard 204-96, Balance Quality and Vibration
Levels for Fans. |
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| Motor & Motor Compartment |
| Motors shall be permanently lubricated and rated for continuous duty. An
integral electrical conduit running from the fan base to the motor area is
provided for ease of installation.
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| Product: Fan shall be model DDAR-TH as manufactured by Thermotek. |
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