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Warning, Installation – Bard ECONOMIZERS WITH EXHAUST EIFM-5C User Manual

Page 4

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Manual 2100-447C
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4 of 13

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.)

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