SAFEty CAUtION ! Verify power before wiring actuator. Greenheck is not responsible for any damage to, or failure of the unit caused by incorrect field wiring. SAFEty DANGER ! : to avoid causing death or serious bodily harm to building occupants, follow all instructions carefully. Dampers must close completely to preserve the integrity of the fire smoke separation. Installation - Failure to follow these instructions will void all warranties. These instructions apply to 11/2 hour rated combination

Protect yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or property damage! Retain instructions for future reference. Models: ERV-251 ERV-361 ERV-521 ERV-581 ERV-522 ERV-582 General Safety Information Only qualified personnel should install this system. Personnel should have a clear understanding of these instructions and should be aware of general safety precautions. Improper installation can result in electric sho

BR-30 series is a vertical mounted damper and designed to allow horizontal airflow and prevent reverse airflow. To increase sensitivity and reduce blade mounted counterbalance, the blade skin is formed aluminum. On-blade counterweights are provided to fine tune start-to-open and full open blade operation. Ball bearings minimize friction. Recommended Applications: • Gravity hood intake and exhaust • Stairwell pressurization • Room pressurization • Ductwork outlets Poor Applications: • Prop

When this occurs the wheel and housing should be cleaned to assure smooth and safe operation. Inspect fan impeller and housing for fatigue, corrosion or wear. Routinely check all fasteners, set screws and locking collars on the fan, bearings, drive, motor base and accessories for tightness. A proper maintenance program will help preserve the performance and reliability designed into the fan. Deflection = Belt Span Belt Span 64 FIGURE 18 VIBRATION Excessive vibration maybe experienced during init

These options can effect performance. For estimated pressure drops on these accessories, consult your local Greenheck representative. AX Upblast AX Vane Section AX Short Casing Hubs and Blades The AX blade shape and hub are designed to move high volumes of air with less power to save on long-term energy costs. The choice of five different hub diameters, along with variations in blade quantities, ensures that the most economical air performance can be achieved. In addition, during the design proc

In fact, we guarantee our ceiling and cabinet exhaust fans with a three (3) year warranty. We offer the most comprehensive ceiling and cabinet exhaust fan line in the commercial market. We are your market leader! Benefits BenefitsBenefits • Low sound • Compact size • Competitive price • Broadest performance selections in the industry Go Inside the Numbers Go Inside the NumbersGo Inside the Numbers • Greenheck has been providing solutions for over 50 years. • Preferred 3 to 1 over the competition

715-359-6171 ® Exhaust/Supply/Recirculate/Mix Installation, Operation and Maintenance Manual G Dimensional Data Control Damper Low Leakage Control Damper OPTIONAL DIFFUSER H 12" C G A Sq. B Sq. Roof Opening *20" E D ACCESS DOOR F 5" Low Leakage Control Damper Control Damper H F DxE Access Door OPTIONAL DIFFUSER *Option: Plenum height can be increased in 12" increments. See page 4 of Four Way catalog. Control Damper OPTIONAL DIFFUSER A Sq. B Sq. Roof Opening *20" 5" Models ESRMD & ESRMDF Model ER