Fig. 10
Fig. 11
Fig. 12
Fig. 13
Part No. V
2
0
2
/1
8
Fig. 8
Fig. 9
Temperature
adjust buttons
+hour boost
buttons
(a)
(b)
E. Temporary User Overrides
Central Heating:
(ensure Central Heating mode is selected by using the
CH/HW
button)
•
Temporarily alter the current programmed temperature:
Simply press
Λ
and
V
until the required temperature is selected. The unit will now maintain this
setting until the start of the next timed event at which point it will revert to pre-
programmed user settings.
(Fig 13)
•
Temporarily override the current time period:
Pressing the
+HRS BOOST
button
will extend the current time/temperature period for 1,2 or 3 hours depending on
how many times it is pressed. At the end of the extended period normal operation
resumes.
(Fig 13)
•
Frost Protection Mode:
Pressing
Λ
and
V
together puts the unit in frost protection
mode. A constant low temperature can be selected and this will be maintained until
Λ
and
V
is pressed again to resume normal operation.
(Fig 13)
Hot water:
Temporarily override the current time period: Pressing the
+HRS BOOST
button will
extend the current time period for 1,2 or 3 hours depending on how many times it is
pressed. At the end of the extended period normal operation resumes.
Indicates that unit is in
ALLDAY
or
AUTO
mode with 2 events per day for 1
On/Off for Hot Water.
Indicates that the unit is in
AUTO
mode with 4 events per day for heat or 2
ON/OFF for Hot Water.
Indicates that the unit is in
AUTO
mode with 6 events per day for heat or 3 for
Hot Water.
ON
Indicates Hot Water is permanently on (Applies to Hot Water only)
OFF
Indicates permanently off for Hot Water or Thermostat mode (see 2.5 on page
16) for Heating
The INFO button is used to display information about either the next
programmed event for the currently selected mode (central Heating or Hot
Water) to display the outdoor temperature (if outdoor sensor is fitted) and to
show the Service Due Date if set.
Guide to symbols
i
