Auto: Normal setting for most homes. Some systems may delay the fan turning on and off with the equip- ment.

On: The fan runs continuously. Use for improved air circulation and air quality.

FAN

Auto On

FAN

SWITCH M10273

Emergency Heat

The Emergency Heat feature allows you to Òturn onÓ the electric heat section of the system by moving the system switch to the Em. Ht. position. The ▲ indicator flashes and

points to Em Ht when the system is in emergency heat mode. The▲ indicator may also point to Aux Ht if the system calls for additional back-up heating.

INDICATOR

Em Ht

Aux Ht

Set

Room

 

M10287

Auxiliary Heat

The auxiliary heaters assist the heat pump under normal conditions when low outdoor temperature occurs. The ▲ indicator points to Aux Ht when the auxiliary heating equipment operates.

 

Pub. No. 22-5185-01

19

69-1229

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Trane TAYSTAT 540 manual Emergency Heat, Auxiliary Heat