ABB ACH550 Installation, Operation And Maintenance Manual page 15

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3. Lift the filter out of the filter bracket and replace as appropriate.

4. With the filter in the filter bracket, align the hooks on the bracket with the slots in the

enclosure base, and press the hooks up into the slots.

5. Slide the filter bracket back, making sure that the hooks catch on the enclosure.

6. Replace the mounting screw. Tighten until the gasket on the bracket is about 50%

compressed.

Enclosure air filter replacement – UL Type / NEMA 12 floor mount enclosures

Filter material

Enclosure Type

UL Type / NEMA 12

Note: When installing the filter media, the white side must face the outside of the

cabinet and the colored side must face the inside of the cabinet. Refer to page 34.

Diagnostics

Refer to the

ACH550-PCR/PDR

ACH550 Installation, Operation and Maintenance Manual

Inlet (door)

3AUA0000006723 (qty 1)

Diagnostics

instructions on page 24.

Outlet (roof)

3AUA0000006722 (qty 2)

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