Worcester DT20 Instruction Manual

14
MAINTENANCE & SPARES
FITTING & OPERATING INSTRUCTIONS FOR WORCESTER BOSCH
MAINTENANCE & SPARES

Maintenance:

The programmer requires no
maintenance
The outer casing can be wiped
clean using a dry cloth, do not use
polish or detergents
Servicing:
This unit cannot be serviced.
Should the existing unit fail to
function correctly, check that the
times and program settings are
correct.
Replacement Parts:
DT20 programmer replacement part
number: 8-716-106-665-0
TWIN CHANNEL DT20 PROGRAMMER
8-716-106-647 issue b (11.04) UK
06490040001 Rev B
DT20 PROGRAMMER
DIGITAL TWIN CHANNEL PROGRAMMER
FOR GREENSTAR i and GREENSTAR Si MODELS
off off off
timed timed timed
once once once
on on on
heating heating heating
select select select
advance advance advance
INSTRUCTION MANUAL
FITTING & OPERATING INSTRUCTIONS
off off off
CHW ON CHW ON CHW ON
timed timed timed
AM OFF AM OFF AM OFF
once once once
on on on
MON TUE WED THU FRI SAT SUN MON TUE WED THU FRI SAT SUN MON TUE WED THU FRI SAT SUN
CLOCK? PROG? DATE? HDAY? CLOCK? PROG? DATE? HDAY? CLOCK? PROG? DATE? HDAY?
hot water hot water hot water
select select select
advance advance advance