Make-Up Air
Table of Contents Product Safety Page 1 MA7, MA8, MA10 Series Technical Specifications Page 2 Passive Air Flow Installation Page 4 Air Handler Fan Direct Connection Installation Page 5 Elbow Switch Assembly (Optional) Page 6 Warranty Information Page 7
Product Installation and Safety Instructions READ ALL INSTRUCTIONS PRIOR TO INSTALLATION FOR RESIDENTIAL USE ONLY WARNING: To reduce the risk of fire, electrical shock hazard, or injury to persons, observe the following: 1 Shut off and disconnect all power supply to unit (s) prior to installation or service/ repair of device. 2 Use this unit only in manner intended by manufacturer. 3 All applications of device must follow all applicable laws, codes, regulations and standards.
MA7, MA8, MA10 Technical Specifications Switch Assembly Motorized Damper No additional Electrical Wiring Required: The 24V Transformer can be plugged into a 120V receptacle next to kitchen vent hood for a convenient and aesthetic install. 24V Plug-in Power Transformer Switch Assembly must be installed in rigid ductwork. The recommended location for the Switch Assembly collar is in a straight duct run directly above the kitchen exhaust fan motor.
Technical Specifications Continued... Switch Assembly and Collar Specifications: Unit Specifications Weight: 1.5 lbs, 16 AWG x 2, 10A, 125VAC. Refer to safety instructions prior to installation. Paddle is 3/4” L x 1-1/4” W and activates at the 160-400 CFM depending on duct size. Motorized Fresh Air Damper Specifications: Unit Specifications Weight: 3 lbs, .25 amps, 24VAC, 60 HZ, 7 Watts. Shipped in normally closed position. Refer to safety instructions prior to installation.
Passive Air Flow Installation 24V low voltage wiring must be run at time of Fresh Air Damper in rough-in. (not included by manufacturer) normal closed position 24V Plug-in Transformer: Input: 120VAC, 60HZ, .23A Output: 24VAC, 20VA Switch Assembly installed in rigid ducting above Ventilation Hood. For maximum performance, the Switch Assembly needs to be installed directly above the kitchen exhaust. Fresh Air Damper needs to be located a minimum of 3 ft. from kitchen exhaust hood.
Air Handling Fan Direct Connect Installation Using a revolutionary new method of installation, the MA7, MA8 & MA10 have the ability to connect directly to the HVAC air circulation fan motor. This provides cleaner and healthier air by utilizing the HVAC filtration system during operation of our residential make-up air system.
Elbow Switch Assembly (Optional) The 90 degree Elbow model can be attached directly to an outside wall, giving the installer or HVAC contractor the ability to complete even the tightest installations. Elbow must be attached to rigid ducting. Motorized Damper 0.25 amps, 24 VAC, 60 HZ, 7 Watts Low voltage wiring (A) from motorized fresh air damper is connected directly to 24V power transformer. Low voltage wiring (B) from motorized fresh air damper is connected to Switch Assembly.
Warranty Information Imperial offers a limited three year, parts only, warranty for manufactured products from the original date of purchase. Warranty does not cover labor, removal of device, or installation of new device provided by manufacturer. All warranties voided by misuse of product, use beyond manufacturer’s recommendations, non-residential use, or negligence by contractor or installer.
Employee Owned American Made Since 1961 Imperial Cal. Products, Inc. 425 Apollo Street, Brea, CA 92821 714.990.9100 ~ 714.990.3350 FAX www.imperialhoods.
