Design Filtration TXH-4 Installation And Operation Manual
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Total Exhaust HoodPg.69. Speed ControlThe speed control should only be adjusted by a qualified service technician. Adjusting theairflow will affect the operation of your hood due to the critical balance required. Removefront snap cap located on the front panel to access the speed control. Use a flat headedscrewdriver to adjust speed, turning clockwise to increase speed. After adjustment of thespeed control, airflows should be checked to ensure it is within the specified range asoutlined in chart. Refer to IES standard IES-RP-CC-002.2.10. Exhaust System Safety Pressure SwitchThis switch is located inside the head section and is connected to the exhaust collar viatubing. In the case of total or partial exhaust failure, this switch will turn off the supply fans,ensuring no air will be blown out of the containment work zone. Supply fans will not rununless tubing is connected.11. Model NumberThe model number is located on the front panel in the lower right hand corner. The serialnumber and electrical information is also included on this label. Refer to these numberswhen contacting the manufacturer.12. Motor / ElectricalThe Total Exhaust Hood uses 115-volt, 90-watt energy efficient motorized impellers toprovide excellent airflow distribution, quieter noise levels and low heat loads. Standard onyour Total Exhaust Hood is a FT2 type CSA approved 3-prong electrical cord. Alwaysunplug your hood when servicing.13. Changing Sash Window CablesShould the event of a sash cable replacement be required lift the window as high aspossible and support with two wooden studs cut to length. Remove the interior side panels(LHS and RHS), remove the old cable and support the weight with a temporary 2” highstand (this will compensate for stretching of the cable later). Attach new c’’ dia.polypropylene rope, with a rating of at least 45lbs, to window end first. Thread throughpulleys and secure around weight eyelet with cable as tight as possible.Always change both ropes at the same time. Consult factory for full rope specifications. |
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