•Exhaust Air Damper - Built in with positive closed position. Provides exhaust air capability to prevent pressurization of tight buildings.
•Actuator Motor - 24 volt, power open, spring return with built in torque limiting switch.
•Proportioning Type Control - for maximum “free cooling” economy and comfort.
•Moisture Eliminator & Prefilter - permanent, washable aluminum construction.
•Enthalpy Control - adjustable to monitor outdoor temperature and humidity.
•Minimum Position Potentiometer - adjustable to control minimum damper blade position for ventilation purposes.
•Mixed Air Sensor - to monitor outside and return air to automatically modulate damper position.
4.3 COMMERCIAL ROOM VENTILATOR | OPTIONAL |
The
4.4 ENERGY RECOVERY VENTILATOR | OPTIONAL |
The Energy Recovery Ventilator (ERV) shall consist of 1 or 2 rotary wheels in an insulated cassette frame with seals, drive motor and belt. The ERV assembly shall also include intake and exhaust blowers. The entire assembly shall easily slide in or out of the ventilation section, allowing for maintenance or replacement. The total energy wheel shall be coated with silica gel desiccant, permanently bonded without the use of binders or adhesives. The coated segments shall be washable with detergent or alkaline coil cleaner and water. Desiccant shall not dissolve or deliquesce in the presence of water or high humidity. All diameter and perimeter seals shall be provided as part of the cassette assembly and shall be factory set. Drive belts shall not require external tensioners or adjustment. Cassette wheels shall include rims to prevent belts from slipping off wheels. Intake and exhaust blowers shall have selections of high, medium or low speed and selected independently, to allow for positive pressurization if desired. The ERV cassette
F1925 (2010 08) | Page 4 of 5 |