Emerson 1F98EZ-1421 User's Guide download pdf (Page 9)

9

USING YOUR THERMOSTAT

System Operation

Temporary Temperature Hold

You can temporarily adjust the tem-

perature in your home at any time while

your thermostat is running a program by

touching either

or keys. The dis-

play will indicate “Temporary Hold At”

to the left of the setpoint temperature. To

cancel the temporary setting before the

next period begins, touch Run Schedule

to return to the program.

Example: If you turn up the heat during

the Morning program, it will remain at the

new temperature until the time for the

next program period (Day program).

Touch the SYSTEM key to select the

thermostat operating mode desired.

When the system is calling for ﬁrst stage

heat or cool, “Low” will display on the

touchscreen. When second stage is re-

quired, the display will show “High”. The

setpoint temperature can be changed by

touching the

or keys.

Auxiliary Heating

Heat Pump Only

The system automatically activates

Auxiliary Heating when the outside tem-

perature is too cold for the heat pump to

efﬁciently heat the home. When Auxiliary

Heating is called for, the display will show

“Auxiliary Heat”.

Emergency Heating

Heat Pump Only

Heat pump malfunction is rare, but

should it happen, Emergency Heat can

be manually activated by touching the

SYSTEM key to

Em. This will start the

electric or fossil fuel system to provide

heat. The display will show “Auxiliary

Heat”.

USAGE GUIDE

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