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Box 8680 Madison, WI 53708 • TOLL-FREE 1-800-533-7533 • • sales@thermastor.com TS-174B TABLE OF CONTENTS Table of Contents 1. Specifications..............................................................1 2. Installation...................................................................1 2.1 Back-Drafting Open Combustion Devices...............1 2.2 Location of the Ultra-Aire Quiet Vent.......................2 2.3 Fresh Air Inlets.......................................................3 2.4 Hanging the Ultra-Aire Quiet Vent...........................3 2.5 Ducting to and from the Ultra-Aire Quiet Vent.........3 2.6 Wiring the Ultra-Aire Quiet Vent..............................3 3. Operation.....................................................................4 3.1 Using the Timers....................................................4 3.2 Adjusting the Amount of Ventilation........................4 4. Maintenance................................................................4 4.1 Cleaning the Blower Screen...................................4 5. Service........................................................................4 5.1 Circuit Breaker Trips...............................................4 5.2 Blower Operates on One Speed Only......................5 5.3 7-Day Timer Does Not Advance..............................5 5.4 Fan Motor..............................................................5 5.5 Warranty................................................................5 6. Service Parts List.........................................................5 7. Warranty......................................................................6 Read and Save These Instructions WARNING! — This symbol indicates important instructions. Failure to heed them can result in serious injury or death. CAUTION! — This symbol indicates important instructions. Failure to heed them can result in injury or material property damage. 1. Specifications Model: Ultra-Aire Quiet Vent Part Number: 4019663 Electrical Specs: 110-120Vac, 60Hz, 1ph Max HACR Type Circuit Breaker or Fuse: 10A Blower: 0.65 Amps, Thermally Protected Capacitor: 370 VAC, 6 MFD 2. Installation WARNING: To reduce the risk of fire, electric shock, or injury to persons, observe the following: A. Installation work and electrical wiring must be done by qualified person(s) in accordance with all applicable codes and standards, including fire-rated construction. B. Sufficient air is needed for proper combustion and exhausting of gases through the flue (chimney) of fuel burning equipment to prevent backdrafting. Follow the heating equipment manufacturer’s guideline and safety standards such as those published by the National Fire Protection Association (NFPA), and the American Society for Heating, Refrigeration and Air Conditioning Engineers (ASHRAE), and the local code authorities. C. When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities. D. Ducted fans must always be vented to the outdoors. E. If this unit is to be installed over a tub or shower, it must be marked as appropriate for the application. F. NEVER place a switch where it can be reached from a tub or shower. 2.1 Back-Drafting Open Combustion Devices CAUTION: Do not use open combustion heating appliances (unless equipped with power exhaust) in a home equipped with exhaust fans (i.e., bath fans, kitchen hoods, down draft stoves, or the Ultra-Aire Quiet 2 Ultra-Aire Quiet Vent Installer’s & Owner’s Manual Vent System). Under certain conditions, these fans may cause the backdrafting of toxic combustion by-products that are hazardous to human health and could cause death. Therefore, we strongly recommend using only closed combustion (direct-vent or aerodynamically decoupled) heating appliances in weather tight homes. Most furnaces, fireplaces and water heaters are now available with sealed combustion or power exhaust. 2.2 Location of the Ultra-Aire Quiet Vent Ideally each bathroom and the kitchen are ducted with a 4" duct to the Ultra-Aire Quiet Vent (See Fig. 1). To make installation easy, the Ultra-Aire Quiet Vent has one 6" and three 4" duct inlet Connections. The 6" outlet of the Ultra-Aire Quiet Vent is ducted to the outside of the home. The Ultra- Aire Quiet Vent should be positioned in the home to minimize the amount of duct and wire required for installation. The unit should be mounted and oriented to allow cleaning of the internal blower screen via the side mounted clean-out port, and adjustment of the 7-day timer (the timer can be remote mounted away from the Ultra-Aire Quiet Vent (see paragraph F). In cold climates the unit should be located in a heated space to prevent condensation from forming inside the cabinet. A basement or utility room is an ideal location. If the Ultra-Aire Quiet Vent and its ducting must be located in a unheated space in a cold climate, they must be insulated to prevent condensation from forming in the system. If the Ultr...