Operating Controls; Setting Individual Weekdays; Setting Ch Individual Weekdays; Setting Hw Individual Weekdays - Worcester DT20 Instruction Manual

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3rd CH OFF
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SETTING PROGRAMS
FITTING & OPERATING INSTRUCTIONS FOR WORCESTER BOSCH
SETTING PROGRAMS

Setting individual weekdays:

Note: if you do not require individual
weekday times, then press ‘set?’ until
‘SET’ SAT-SUN are displayed and
continue on the next page.
If you do not wish to change the
settings for the day displayed, then
press 'set?' until the first day you
want to change is displayed

Setting CH individual weekdays:

1 Press 'OK' to select weekday
2 Press 'OK' to select CH
Note: speed up the display by holding
down the ‘+’ or ‘-’ buttons.
3 Press ‘+’ or ‘-’ to change the ON
time
4 Press ‘set?’ to set the ON time and
select the OFF time
5 Press ‘+’ or ‘-’ to change the OFF
time
6 Press ‘set?’ to set the OFF time and
select the next ON time
Repeat operations 3 to 6 to set the
2nd and 3rd CH ON/OFF times.
Note: after pressing ‘set?’ for the 3rd
CH OFF time the display shows ‘SET’
HW for that weekday

Setting HW individual weekdays:

7 Press ‘OK’ to select the first ON time
Repeat operations 3 to 6 to set the
1st, 2nd and 3rd HW ON/OFF times.
Note: after pressing ‘set?’ for the 3rd
HW OFF time ‘SET’ and the next
weekday are displayed shown . . . after
completing the steps above for FRI
the display shows ‘SET’ SAT SUN
(see next page)
TWIN CHANNEL DT20 PROGRAMMER
8-716-106-647 issue b (11.04) UK
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FITTING & OPERATING INSTRUCTIONS FOR WORCESTER BOSCH
TWIN CHANNEL DT20 PROGRAMMER
8-716-106-647 issue b (11.04) UK

OPERATING CONTROLS

Central heating:
1 Press 'select' button to choose:
off = constantly OFF
timed = up to 3 ON and 3 OFF
time periods as program
once = ON from 1st ON until 3rd
OFF time period as program
on = constantly ON
2 Press 'advance' button:
ON = heating light on (heating stays
on until the next OFF time period)
OFF = heating light off (heating stays
off until the next ON time period)
Note: 'advance' will not function with
constant on or off selected.
Hot Water:
1 Press 'select' button to choose:
off = constantly OFF
timed = up to 3 ON and 3 OFF
time periods as program
once = ON from 1st ON until 3rd
OFF time period as program
on = constantly ON
2 Press 'advance' button:
ON = hot water light on (hot water
stays on until the next OFF time period)
OFF = hot water light off (hot water
2
stays off until the next ON time period)
Note: 'advance' will not function with
constant on or off selected.
OPERATING CONTROLS
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