INSTALLATION
BASIC INSTALLATION
1.Unpack the economizer assembly which includes the integral economizer with attached electrical harness, mixed air thermistor, miscellaneous hardware and installation instructions.
WARNING
Open and lock unit disconnect switch before installing this accessory to prevent injury or death due to electrical shock or contact with moving parts. Turn thermostat to off.
BLOWER ACCESS PANEL
SERVICE ACCESS PANEL
2.Remove and save the existing exterior blower access and service access panels on the Bard wall mount unit. (See Figure 1.)
3.Remove and save existing unit return air filter and center screw in front grille. (See Figure 1.)
4.Remove and discard the exhaust cover plate. (See Figure 1.)
5.Install economizer by inserting the economizer into the unit to the far left side clearing the right filter bracket. Once the economizer is fully inserted, slide the economizer to the right until it is tight against the back of the control panel. (See Figure 2.)
FIGURE 1
THERMISTOR
LOCATION
SCREW
EXHAUST COVER PLATE
Manual
