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.
2.Remove and save the existing exterior blower access and service access panels on the Bard wall mount unit. (See Figure 1.)
FIGURE 1
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