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R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK
17 EN1B-0203GE51 R0507C
Selecting Clock and Schedules (with RTC, only)
DATE & TIME
SELECTION
STANDARD
SCHEDULE
SELECTION
HOLIDAY
SCHEDULE
SELECTION
STANDARD
SCHEDULE
PROGRAMMING
DATE & TIME
ADJUSTMENT
HOLIDAY
SCHEDULE
PROGRAMMING
Fig. 13. Clock and schedules selection mode
The clock and schedule selection mode is provided to select
real-time clock (RTC), standard schedule (SCH), or holiday
schedule (Hol) for programming (see Fig. 13).
Pushing the
+
or
-
button scrolls through the selection list.
Adjusting Date and Time (with RTC, only)
This mode is used to adjust date and time (real-time clock) by
the input sequence shown in Fig. 14.
During date adjustment, the weekday is calculated auto-
matically and need not be programmed. The 29th of February
is adjustable only for leap years.
Pushing the
SEL
button returns to the selection mode,
ignoring adjustments which have not been confirmed by the
SET
button.
Due to battery change or low battery, the date / time can be
invalid and is displayed as
--.--. --
/
--:--
on the LCD. In this
case the controller behaves like a controller without real-time
clock. If the occupancy input is inactive, the controller will be
assumed as occupied.
Date
Date
Date
TO ADJUST
YEAR
OR
TO ADJUST
MONTH
OR
TO ADJUST
DAY
OR
TO ADJUST
MINUTES
OR
TO ADJUST
HOURS
OR
TIME ADJUSTMENTDATE ADJUSTMENT
Fig. 14. Date and time adjustment mode
Programming Standard Schedule (with RTC, only)
The standard schedule programming is used to program up to
6 schedule points for each weekday as well as for three
holiday types. The controller mode (off, night, standby or
comfort) will be switched at these programmed schedule
points.
The first step of the schedule programming (see Fig. 15) is to
select a weekday or holiday type as follows:
1. Mo ... Su as single
2. H1 ... H3 as single
3. Mo ... Fr grouped
4. Sa and Su grouped
5. Mo ... Su grouped
The switching time is adjustable in steps of 10 min. To ignore
a schedule point, the displayed switching time must be set to
‘
--:--
’ by adjusting it between step 23:50 and 0:00 or by
pushing the
+
and
-
button simultaneously.
Pushing the
SEL
button returns to the selection mode,
ignoring adjustments which have not been confirmed by the
SET
button.
TO ADJUST
SWITCHING
TIME
OR
TO ADJUST
CONTROLLER
MODE
OR
TO ADJUST
SCHEDULE
POINT
OR
TO SELECT
WEEKDAY,
WEEK GROUPS,
OR HOLIDAY
TYPES
OR
Tu
Tu
Tu
Fig. 15. Standard schedule programming