5 Operation
5.1 LCD Display
H
A
1
2
3
4
6
7
8
9
10
11
12
13
5
Pos Description
1
Room/Floor Temperature - Indicates the
current temperature sensor mode.
2
Day Indicator - Displays the current day.
3
Frost Icon - Displayed when the thermostat is
in frost protection mode.
4
Flame Icon - Displayed when the thermostat is
calling for heat, the flame icon will flash when
the optimum start function is in operation.
5
Floor Temperature Limit Icon - Displayed
when the floor sensor probe has reached the
temperature limit set on feature 09.
6
Temperature Hold - When a Temp Hold is
active, HOLD FOR and the remaining time
period is displayed.
7
Set - Indicates when changes are being made
to programs or temperature set points.
8
Holiday Indicator - Displayed when the
thermostat is in holiday mode.
Pos Description
9
Current Temperature - Indicates the current
sensor temperature.
10
Program Cycle Indicator - Displayed during
programming only to show which period is
being altered.
11
Keypad Lock Indicator - Displayed when the
keypad is locked.
12
Units of Temperature - Degrees Celsius or
Fahrenheit.
13
Clock - Digital clock display in 24h format.
5.2 Turn Thermostat On/Off
To turn ON the thermostat:
1. Press once.
The heating is indicated ON when the flame icon is
displayed.
When the flame icon is absent, there is no requirement
for heating to achieve the set temperature but the
thermostat remains active.
To turn OFF the thermostat:
1. Press and hold
.
The display and heating output will be turned OFF
completely. For more information, see Feature 03 in
section “5.11 Optional Features” on page 12.
7
U P O N O R C O M F O RT- E T H E R M O S TAT D I G . P R O G S E T T- 8 6 · I N S TA L L AT I O N A N D O P E R AT I O N M A N U A L
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