Bard Economizers With Exhaust EIFM-3B - Manual (Page 4)

Manual 2100-390
Page 2
2. Remove and save the existing exterior blower access
and service access panels on the Bard wall mount
unit. (See Figure 1.)
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.
FIGURE 1
MIS-344