D. Accessory Installation

At this time, any required accessories should be installed on the unit. Control wiring information is provided in the unit wiring diagram. Refer to Accessory Installation Instructions provided with accessory.

E. Optional Outdoor-Air Damper Installation

The outdoor-air hood and screen are attached to the basepan at the bottom of the unit for shipping.

Assembly:

1.Determine quantity of ventilation required for building. Record amount for use in Step 8.

2.Remove ®lter access panel by raising panel and swing- ing panel outward. Panel is now disengaged from track and can be removed. No tools are required to remove ®l- ter access panel. Remove and save outdoor-air opening panel and screws. See Fig. 15.

3.Separate hood and screen from basepan by removing the

4screws and brackets securing them. Save all screws and discard brackets.

4.Replace outdoor-air opening panel.

5.Place hood on front of outdoor air opening panel. See Fig. 16 for hood details. Secure top of hood with the

4screws removed in Step 3. See Fig. 17.

6.Remove and save 6 screws (3 on each side) from sides of the manual outdoor-air damper assembly.

7.Align screw holes on hood with screw holes on side of manual outdoor-air damper assembly. See Fig. 16 and

17.Secure hood with 6 screws from Step 6.

8.For proper quantity of ventilation air, adjust minimum position setting of the damper blade by adjusting the manual outdoor-air adjustment screws on the front of the damper blade. See Fig. 15. Slide blade vertically un- til it is in the appropriate position determined by Fig. 18. Tighten screws.

9.Remove and save 4 screws currently on sides of hood. Insert screen. Secure screen to hood using the 4 screws. See Fig. 17.

OUTDOOR AIR

OPENING

PANEL

Fig. 15 Ð Damper Panel With Outdoor-Air

Damper Installed

Fig. 16 Ð Outdoor-Air Hood Details

Fig. 17 Ð Manual Outdoor-Air Damper With Hood Attached

Fig. 18 Ð Position Setting

Ð12Ð

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Bryant 558D installation instructions Accessory Installation, Optional Outdoor-Air Damper Installation

558D specifications

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