Installation and Operation Manual Total Exhaust Hood 45 Iber Road, Ottawa Ontario, K2S 1E7 Tel: (613) 836-6065, 1-888-636-8609 / Fax: (613) 836-9724, www.designfiltration.
Total Exhaust Hood Table of Contents 1. Shipping and Un-Crating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pg. 2 2. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pg. 3 3. Pre-filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pg. 4 4. Pre-filter Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pg. 4 5.
Total Exhaust Hood TOTAL EXHAUST HOOD Thank you for purchasing our Total Exhaust Hood. W ith proper care and maintenance your hood will provide you with many years of trouble free performance. Please read instructions carefully before installing and operating your Total Exhaust Hood. W ARNING: To reduce risk of fire, electric shock, or injury to persons please review the following precautions. • Do not expose your hood to rain or moisture.
Total Exhaust Hood 2. Installation Once in location it is recommended that your hood be re-tested for airflows and leaks by an independent testing organization with technicians trained in the evaluation and maintenance of HEPA filtered equipment. Always use safe lifting guidelines when installing your hood on a base frame or existing work bench. Do not use a lift truck when moving your Total Exhaust Hood. Leave your hood on the shipping skid until it is in its final installation location.
Total Exhaust Hood Lift rear plenum and align with pre-drilled holes, see Figure 2.2. Insert all of the screws before tightening them. Connect plastic tubing to fitting on transition. Supply fans will not run unless tubing is connected. Figure 2.2 3. Pre-filter Your Total Exhaust Hood is equipped with disposable pre-filters, which are manufactured from a bonded synthetic media set into a moisture resistant beverage board.
Total Exhaust Hood 5. HEPA Filter Your Total Exhaust Hood features a 5.88” deep wood frame filter with a separatorless type media to provide excellent even airflows. The wet laid glass media is set into the frame with a urethane seal. Efficiency is 99.99% at 0.3-micron particle size and larger. HEPA filters cannot be cleaned and must be replaced when necessary, consult factory for replacement filters. 6. ULPA Filter The optional ULPA filter is rated 99.9995% at 0.12-micron particle size and larger.
Total Exhaust Hood 9. Speed Control The speed control should only be adjusted by a qualified service technician. Adjusting the airflow will affect the operation of your hood due to the critical balance required. Remove front snap cap located on the front panel to access the speed control. Use a flat headed screwdriver to adjust speed, turning clockwise to increase speed. After adjustment of the speed control, airflows should be checked to ensure it is within the specified range as outlined in chart.
Total Exhaust Hood 14. Airflow Chart Specifications Model # Supply (CFM) (60-70 FPM) Exhaust (CFM) (100-110 FPM) Base Vent (CFM) Hand Intake (CFM) TXH-4 535 846 271 40 TXH-5 673 1054 341 40 TXH-6 811 1262 411 40 TXH-8 1088 1679 551 40 Calculations are based on an average of: 105 FPM for Hand Intake, and 65 FPM for down flow velocity m easured at 6” below diffuser screen. 15.
Total Exhaust Hood 16. Dimensions Model Exterior Dimensions* (W x D x H) Collar Size / Qty. Electrical** TXH-4 52” x 37¼” x 93” 10” / 1 115V, 1.88A, 60Hz TXH-5 64” x 37¼” x 93” 10” / 1 115V, 2.55A, 60Hz TXH-6 76” x 37¼” x 93” 10” / 1 115V, 2.55A, 60Hz TXH-8 100” x 37¼” x 93” 10” / 2 115V, 4.84A, 60Hz * Height does not include base fram e. ** Includes m otors and lights only. Duplex Outlets run on a separate circuit. For size and weight of shipping crates, contact manufacturer. 17.
Total Exhaust Hood 18. Warranty Design Filtration Inc. warrants the equipment to be free of defects in materials and workmanship from the date of invoice. The Total Exhaust Hood shall be warranted against defects for a period of three years. Any units or parts found to be defective during this period will be replaced or repaired at our discretion. The buyer agrees to assume all transportation charges prepaid for return of unit to factory for repair.
