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Bosch Worcester 15SBi Installation & Operating Instructions Manual page 3

System boilers twin channel digital programmer
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PROGRAMMER OPERATING INSTRUCTIONS
TO SET PRESENT TIME AND DAY
Set right switch to RUN.
Press HR & MIN buttons together (until colon stops flashing)
After 15 seconds the colon will start flashing again signifying the settings cannot be changed. Repeat this step if you still want
to set time and day.
Press DAY button until arrow points to correct day.
Press HR and MIN buttons separately until correct time is displayed.
Set right switch to DHW then back to RUN (or leave for 15 seconds) to start the clock.
Permanent off
Timed programme
Permanent on
Monday to Sunday
Actual time or set time
Step through programme
TO SET PROGRAMME TIMES
This programmer provides eight switch periods per channel, with a day selection of Mon...Fri, Mon...Sat,
Sat/sun, all days together or all days individually. If it is considered confusing to programme all variations, the
following describes two levels of setting the programme; simple or full-function;
SIMPLE PROGRAMME SETTING
The programmer has an in-built programme of 'standard' switching times shown in the table. These may be
changed to suit your specific requirements.
P
Set actual or
programme day
programme hours
PROGRAMME STEP
1
2
3
4
5
6
7
8
Fig. 2.
I
AUTO O
RUN DHW CH
M
T
W
Th
F
S
Su
8 : 3 7
1 2
3
DAY
HR
MIN
ADV
Set
Reset
Set time or
STANDARD PROGRAMME
DHW MON-FRI
6.30am
8.30am
4.30pm
10.30pm
SAT-SUN
7.00am
9.00am
4.00pm
11.00pm
2
Normal run mode
Set DHW programme
Set CH programme
Channel 1 (DHW)
Channel 2 (CH)
Demand symbol (light bulb)
Advanced symbol
Programmer step number
Advance button
Set time or
programme minutes
CH MON-FRI
6.30am
8.30am
4.30pm
10.30pm
SAT-SUN
7.00am
9.00am
4.00pm
11.00pm

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