Honeywell 69-1490 - Manual (Page 5)

5 69-1490
Em Ht and Aux Ht Indications
Emergency Heat (Em Ht) and Auxiliary Heat (Aux Ht)
indications are not available on all models. The
▲ indicator
points to either Em Ht or Aux Ht when these modes are
active.
Em Ht: The ▲ indicator points to Em Ht when the
SYSTEM switch is set at Em Ht.
Aux Ht: The ▲ indicator points to Aux Ht when the
living space needs auxiliary backup heat to help
handle the heating load.
Set Room
INDICATOR
M18425
Em Ht