20
E 121 - DTU 614
C2 Eng.
04.07.01
We reserve the right to make changes without notice
COSTER
25. DATE-TO-DATE PERIOD PROGRAMS
DTU 614 can start and shut down the air handling using:
– 25 24-hour programs
– 5 7-day programs
– 25 date-to-date period programs
25.
1
Assigning the program
If Season Switching is disabled
the program is assigned on a single page
If Season Switching is enabled, the program is assigned on
two separate pages, one for the Winter
season and one for
the Summer season.
25.
2
24-hour programs
Set the number of 24-hour programs to be used (1 to 25) in order to eliminate unused display pages.
In each 24-hour program (
24hr 1 ... 24hr 25
) you can set up to 6 start times (
h1 ... h6
),
assigning one
of the following modes to each start time:
• ON :
– output
Y
active
– system fan
Mv
on
– pump
Mp
on
• OFF :
– output
Y
closed or off (if On-Off type)
– system fan
Mv
off
– pump
Mp
off
Period start times must be entered in increasing order.
Unused times
(– – –) should be deleted by pressing the two + and – keys simultaneously..
No unused times (– – –) should be left between programmed times.
25.
3
7-day programs
Set the number of 7-day programs to be used (1 to 5) in order to eliminate unused display pages.
In each 7-day program you can assign each day of the week one of the 24-hour programs (24hr 1 ...
25); ON; or OFF.
25.
4
Year periods
Each year period, as defined by the period start and end dates, imposes an operating program that
replaces the one currently in use.
At the end of each year period, the controller restores the normal program.
Set the number of year periods to be used, in order to eliminate unused display pages.
For each year period, select the program to be used:
– 7-DAY 1...4; 24-HOUR 1...25; ON; OFF
Set data for each individual period:
• Per. 01 = selection of available periods
• Start : – NO = year period not used
– 00
= year period used; start time midnight
– 12
= year period used; start time 12 o’clock noon
• From - - . - - t o - - . - - = start and end day and month of the year period
For one-day periods set the same date as start and end date.
To cancel year period, press + and – keys simultaneously
25.
5
Season periods
Season periods define the
winter and summer season periods.
Enter the start and end day and month of the
winter season.
Enter the start and end day and month of the summer season.
To cancel periods, press + and – keys simultaneously
For use of season periods, please see paragraph 24. SEASON SWITCHING
25.
6
Summer time
The controller can automatically change the current time of day at the beginning and end of the
daylight saving period.
– From
- -.- - = on the night of the last Saturday in March, the clock moves forward one hour
– to
- -.- -
= on the night of the last Saturday in October, the clock moves backwards one hou
To cancel the period, press + and – keys simultaneously
M1.
16
How ma n y a n n u a l
p e r i o d s
?
0
M1.
17
P r o g .
P e r i o d
1
OF F
M1.
18
An nP 1 S t a r t
NO
F r : - - . - - t o : - - . - -
M1.
19
W i n t e r S e a s o n
F r : - - . - - t o : - - . - -
M1.
21
Summer T i me
F r : 2 5 . 0 3 t o : 2 7 . 1 0
31.
19
Summer S e a s o n
F r : - - . - - t o : - - . - -
M1.
2.7
Da y l y 1 h r 1
6 . 0 0
ON
M1.
1
How ma n y d a y l y
P r o g r ammes
?
1
P r o g r am
DA I LY 1
M0.
2
S e a s on Sw i t c h i ng
NO
M3.
2
M1.
8
How ma n y we e k l y
P r o g r ammes
?
1
P r o g r am Summer
DA I LY 1
M0.
4
P r og r am
W i n t e r
DA I LY
1
M0.
2
M1.
9
We e k 1 : MONDAY
DAYLY
1
