Set Temperature Setpoint; Optional System Checkout - Honeywell HEAT PUMP THERMOSTAT T8411R Installation Instructions Manual

Set Temperature Setpoint

NOTE: Temperature setpoint range is 40° to 99°F (4° to
39°C).
The temperature setpoint and the room temperature are
shown separately on the digital display. The
points to Set when the temperature setpoint is displayed
and to Room when the room temperature is displayed
.
Room
Set
SETPOINT TEMPERATURE
To set temperature setpoint:
1. Select Heat or Cool by sliding the SYSTEM switch
in the lower right corner of the thermostat to the
desired mode. See Fig. 7.
2. To display the temperature setpoint on the digital
display, press either the
temperature setpoint is displayed for approxi-
mately five seconds as the indicator points to Set
and flashes.
3. To increase the temperature setpoint press the
key. Each press changes the setpoint one degree;
press and hold to change the setpoint several
degrees.
4. To decrease the temperature setpoint press the
key. Each press changes the setpoint one degree;
press and hold to change the setpoint several
degrees.
Setting °F/°C Indication and Heat Cycle Rate
NOTE: To save changes to the °F/°C indication and the
heat cycle rate, all seven steps must be com-
pleted.
In installer setup mode, steps 2 through 5, each
press of the
each press of the
02. When the keys are released, these two-digit
codes are no longer displayed.
To set the °F/°C indication and heat cycle rate:
1. If the temperature is displayed in °F, set the tem-
perature setpoint to 52°F. If the room temperature
is displayed in °C, set the temperature setpoint to
11°C.
INDICATOR
ROOM TEMPERATURE
M14679
or key once. The
M14680
M14681
M14682
key momentarily displays 01 and
key momentarily displays
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T8411R ELECTRONIC HEAT PUMP THERMOSTAT
2. Press the
one second to light all segments on display and to
enter installer setup mode. When the keys are
released, a two-digit software revision code is dis-
played.
indicator

OPTIONAL SYSTEM CHECKOUT

When the heat or cool outputs are turned on, the five-
minute off-timer safety feature is bypassed.
When in steps 2 and 3 only, the
turn heat or cool outputs on and off. Change the
SYSTEM switch setting to test heat or cool outputs. No
action takes place If the system switch is in the Off
position.
The following examples of system settings show a two
digit software code on the display. The code shown is
only an example; codes may vary.
System setting at Heat:
To turn heat on, press the
To turn auxiliary heat on, press the
To turn auxiliary heat off, press the
To turn heat off, press the
System setting at Cool:
To turn cool on, press the
To turn cool off, press the
3. Press the
A typical example is shown, but information dis-
played varies by model. This information is for fac-
tory use only.
4. Press the
5
keys simultaneously for more than
M18426
key can be used to
key.
M18431
key.
Aux Ht
M18432
key a third time.
M18433
key a fourth time.
M18434
key.
M18435
key.
M18434
key. Factory information is displayed.
key again to display °C or °F.
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