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Bryant 559F User Manual

Page 39

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39

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LEGEND

See Legend on page 2.

*Included in power exhaust accessory.

Field Wiring
Field-Supplied Switch

OPERATING MODES

Fig. 20 — Smoke Control/Fire Shutdown Wiring; 559F180-300

BP — Building Pressurization:

Evaporator fan on, economizer energized to fully open position,
power exhaust disabled.

E

— Evacuation:

Evaporator fan off, economizer energized to fully closed position,
power exhaust on (open).

SD — Complete Unit Shutdown:

Breaks 24-v power to the thermostat.

SP

— Smoke Purge:

Evaporator fan on, economizer energized to fully open position,
power exhaust on.

See also other documents in the category Bryant Conditioners: