EKHBH/XE008BA
Indoor unit for air to water heat pump system and options
4PW56302-1
Operation manual
8
4.
Domestic water heating (refer to
booster heating or domestic water heating" on page 10
Switch the mode on or off at a scheduled time. Five actions can
be programmed per mode. These actions are repeated daily.
What can the schedule timer NOT do?
The schedule timer can not change the operation mode from space
heating to space cooling or vice versa.
How to interpret the programmed actions
To be able to understand the behaviour of your installation when the
schedule timer is enabled, it is important to keep in mind that the
"last" programmed command overruled the "preceding" programmed
command and will remain active until the "next" programmed
command occurs.
Example: imagine the actual time is 17:30 and actions are
programmed at 13:00, 16:00 and 19:00. The "last" programmed
command (16:00) overruled the "previous" programmed command
(13:00) and will remain active until the "next" programmed command
(19:00) occurs.
So in order to know the actual setting, one should consult the last
programmed command. It is clear that the "last" programmed
command may date from the day before. Refer to
programmed actions" on page 10
.
Programming and consulting the schedule timer
Getting started
Programming the schedule timer is flexible (you can add, remove or
alter programmed actions whenever required) and straightforward
(programming steps are limited to a minimum). However, before
programming the schedule timer, remind:
■
Familiarise yourself with the icons and the buttons. You will need
them when programming. Refer to
■
Fill out the form at the very end of this manual. This form can
help you define the required actions for each day. Keep in mind
that:
-
In the space heating/cooling program, 5 actions can be
programmed per weekday. The same actions are repeated
on a weekly basis.
-
In the domestic water heating, booster heater and quiet
mode program, 5 actions can be programmed per mode. The
same actions are repeated on a daily basis.
■
Take your time to enter all data accurately.
■
Try to program the actions in a chronological way: start with
action 1 for the first action and end with the highest number for
the last action. This is not a requirement but will simplify the
interpretation of the program later.
■
If 2 or more actions are programmed for the same day and at the
same time, only the action with the highest action number will be
executed.
■
You can always alter, add or remove the programmed actions
later.
■
When programming heating actions (time and set point), cooling
actions are added automatically at the same time but with the
predefined default cooling set point. Conversely, when
programming cooling actions (time and set point), heating
actions are added automatically at the same time but with the
default heating set point.
The set points of these automatically added actions can be
adjusted by programming the corresponding mode. This means
that after programming heating, you should also program the
corresponding cooling set points and vice versa.
■
The programmed actions are not stored according to
their timing but according to the time of programming.
This means that the action that was programmed first
gets action number 1, even though it is executed after
other programmed action numbers.
■
When the schedule timer switches space heating or
space cooling
x
, the controller will also be
switched off. Note that this has no influence on
domestic water heating.
During schedule timer operation, someone may have
altered the actual settings manually (in other words, the
"last" command was overruled manually). The icon
p
,
indicating the schedule timer operation, may still be
displayed, giving the impression that the "last" command
settings are still active. The "next" programmed command
will overrule the altered settings and return to the original
program.
Due to the fact that the schedule timer cannot switch
between operation modes (heating or cooling) and the fact
that each programmed action implies a heating set point
and a cooling set point, the following situations may occur:
■
when the schedule timer is active in heating mode,
and the mode is changed manually to cooling (by
means of the
=
button), the operation mode will
from then on remain cooling and program actions will
follow the corresponding cooling set points. Returning
to heating mode needs to be carried out manually (by
means of the
=
button).
■
when the schedule timer is active in cooling mode,
and the mode is changed manually to heating (by
means of the
=
button), the operation mode will
from then on remain heating and program actions will
follow the corresponding heating set points. Returning
to cooling mode needs to be carried out manually (by
means of the
=
button).
The above proves the importance of programming both
cooling and heating set points for each action. If you do not
program these set points, the predefined default values will
be used.
Before you start any programming, read attentively the
warnings mentioned in the paragraph
to understand unit operation.
