Setting Programs; Technical Data; Setting Ch Individual Weekend Days; Setting Hw Individual Weekend Days - Worcester DT20 Instruction Manual

1
2
3 3
4
5 5
6
3rd CH OFF
7
10

SETTING PROGRAMS

FITTING & OPERATING INSTRUCTIONS FOR WORCESTER BOSCH
SETTING PROGRAMS
Setting individual weekend days:
Note: if you do not require individual
weekend times, then press ‘set?’ until
normal display is shown.
If you do not wish to change the
settings for 'SAT', then press 'set?'
to move to 'SUN'
Setting CH individual weekend
days:
1 Press 'OK' to select day displayed
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 day
Setting HW individual weekend
days:
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.
Press 'set?' until the display returns
to normal mode.
TWIN CHANNEL DT20 PROGRAMMER
8-716-106-647 issue b (11.04) UK
DESCRIPTION UNITS
Dimensions mm
Electrical supply
Ambient operating temperature C
Humidity operating range % non-condensing up to 45°
Class of protection
Degree of protection IP
Accuracy @ 25°C sec/day
Battery life years
Battery backup time & date years min.
Shortest switching period minutes
DHW & CH On/Off periods number
DHW & CH Programs days
Related Standards:
BS EN60730-1:2001
BS EN60730-2-7:1992
Electro Magnetic Compatibility and Radio Spectrum Matters (ERM); Short Range Devices (SRD) ETSI
EN 300 220-1
EC Directives:
European Union Law Directive 2000/84/EC
Low Voltage Directive (73/23/EEC)
Electro Magnetic Compatibility Directive (89/336/EEC)
CE Marking Directive (93/68/EEC)
FITTING & OPERATING INSTRUCTIONS FOR WORCESTER BOSCH
TWIN CHANNEL DT20 PROGRAMMER
8-716-106-647 issue b (11.04) UK

TECHNICAL DATA

DT20
-
- 24v DC <65mA
0 to +50
30 - 95
- II
20
<±1
10
10
1
3
7
TECHNICAL DATA
3