6
OTHER
FEATURES
AND
FUNCTIONS
K)
DISPLAYING
OUTDOOR
TEMPERATURE
&
CLOCK
K.1.
All models can be connected with an outdoor temperature sensor. In non-heat-
pump versions this is used solely to provide temperature indication. In heat-pump models
the feature can also be used to improve heat-pump performance
K.2.
To review outdoor temperature follow the instructions below:
a) Press NEXT button once to read current outdoor temperature
b) Press NEXT button for second time to read lowest outdoor temperature in last 24 hour
period
c)
Press NEXT button for third time to read highest outdoor temperature in last 24 hour
period
! Reminder – if the display flashes the measured temperature exceeds the display
limit
d) The display will return to normal setting within 10 seconds or by any button press
!
Reminder – If the display shows a row of dashes an outdoor sensor has not been
connected
K.3. To temporarily view the clock, press and hold COPY button. The display will return to
show room temperature when the button is released
L)
TIME
CHANGES
IN
FALL
AND
SPRING
L.1. If display is showing Temperature, press NEXT and COPY together to display clock
settings.
L.2. To change time in the Fall, press the – button to reset clock back by one hour
L.3. To change time in the Spring, press + button to reset clock forward by one hour
L.4. To return to Temperature display, press NEXT and COPY together.
M)
SELECTING
EMERGENCY
HEAT
MODE
ON
HP
8000
HEAT
-
PUMP
MODELS
!
Reminder - Applies only to HP8000 series heat-pump models
M.1. The thermostat will automatically select Emergency Heat if the outdoor temperature falls
to below the setting of the Heat-pump low balance point. The Emergency Heat will
continue to run under the dictates of the thermostat until the outdoor temperature
increases to above the low balance point setting. Please refer to installer for details.
!
Automatic selection of Emergency Heat based on outdoor temperature will only
occur when an outdoor sensor has been connected.
M.2.Emergency Heat can be manually selected at any time. When selected the thermostat
turns off all heat-pump derived stages
M.3.To select EMERGENCY HEAT (EM/HEAT), press EM/HEAT button, an “E” will flash in
the display and the thermostat will automatically select HEAT only and revert to
programed settings, canceling any manual temperature overrides.
BUTTONS
LCD
DISPLAYS
NEXT
NEXT
COPY
NEXT
O
N
68
77
A
UTO
+
-
or
NEXT
COPY
plus
NEXT
COPY
plus
65
A
UTO
H
EAT
F
68
E
Auto selected
Emergency Heat mode.
Note E symbol steady
EM HEAT /
3
3
3
3
3
Manually selected
Emergency heat mode.
Note E symbol flashing
65
A
UTO
H
EAT
F
68
E
