(touch the brick on your house after sunset), and this method of slow cooling extracts as much heat as possible from your house structure. Since the AirScape is one of the quietest whole house fans on the market, it also allows you to get a good night's sleep.
Page 3
The “net-free” area of a vent is the total vent opening minus the loss caused by the interference of the screen, louver or grille covering the vent. The AirScape 2.5/2.5e requires a MINIMUM of 5 sq ft of "net free" venting area in your attic to allow for proper exhaust.
Page 4
Net-free venting area can be acquired by any combination of gable, eyebrow, soffit, or • ridge vents, or any other means that provide ventilation to the attic space. UNIT PARTS & DIMENSIONS FIGURE 2 – Parts & Dimensions AirScape 2.5/2.5e WHF Installation Manual 02-11 Page 4...
Page 5
INSTALLATION - CARPENTRY The 2.5/2.5e WHF has been designed to fit on top of a 14½" x 22½" wall or ceiling opening. Since most modern houses have been built with either 16" or 24" on-center (O/C) spaced joists or studs, a simple "box"...
Page 6
The 2.5/2.5e fan needs to fit through the hole that is framed for it: 16” O/C Framing Step 1: Cut out the dry wall between the joists to create a 23” x 14½" rough opening. Step 2: Fit the 2.5/2.5e fan through the rough opening and into the attic.
Page 7
INSTALLATION – DAMPER BOX Position the 2.5/2.5e damper enclosure on top of the joists so that the damper doors are aligned with the framed rough opening, being sure that there is easy access to the electrical box located on the side of the unit (Figure 6).
Page 8
Plug the fan control cord with the white male end into the white connector on the damper box. Note: The 2.5e fan has a separate power cord that must also be plugged into a 120v outlet with uninterrupted power once all other installation has been completed. AirScape 2.5/2.5e WHF Installation Manual 02-11 Page 8...
Page 9
FIGURE 8 – Hanging the Fan FIGURE 9 – Duct to Damper and Duct to Fan Connections AirScape 2.5/2.5e WHF Installation Manual 02-11 Page 9...
Page 10
120-volt outlets with uninterrupted power. The wall switch must be mounted in an approved electrical box large enough to accommodate the entering wires. Use approved methods such as wire nuts to connect wire ends. AirScape 2.5/2.5e WHF Installation Manual 02-11 Page 10...
• 120-volt grounded outlet. We do not recommend hardwiring the 2.5e fan power. Verify that the 2.5/2.5e WHF power switch is OFF and turn on electrical power at circuit breaker. • Turn the unit ON in LOW speed. The damper doors will take a few seconds to open and •...
• basement windows. MAINTENANCE There is no routine maintenance required for the 2.5/2.5e WHF other than to make sure that the • fan blades and damper are kept clean of any possible build up of lint or other debris. Blocking the fan discharge during operation could cause premature fan failure if internal •...
Before servicing the unit, switch power off at the electrical panel to reduce the risk of electrical shock, fire, or injury. The 2.5/2.5e WHF has been factory tested. If you have problems with the unit please take a few minutes to run through the following troubleshooting procedures before calling for assistance.
Should a covered defect occur during the warranty period and Customer notifies AirScape, Customer’s sole and exclusive remedy will be, at AirScape’s sole option and expense, to repair or replace the product. Replacement products or parts may be new or reconditioned or a comparable version of the defective item.