Worcester DT20RF Instruction Manual page 6

C
E
C
4
FITTING THE RECEIVER
B
2
A
1
3
E
4
G
F
B
7
A
E
FITTING & OPERATING INSTRUCTIONS FOR WORCESTER BOSCH
FITTING THE RECEIVER
DANGER - 24V &
D
230V:
THE ELECTRICAL
COMPONENTS OR
CIRCUITS.
CAUTION: ISOLATE THE MAINS
ELECTRICITY SUPPLY BEFORE
STARTING ANY WORK AND
OBSERVE ALL RELEVANT
SAFETY PRECAUTIONS.
OBSERVE ELECTRONIC STATIC
DISCHARGE PRECAUTIONS.
DO NOT TOUCH THE PCB
CIRCUITS
Important: Switch off boiler
Remove boiler outer casing and
control panel fascia to gain access
to the heatronic control panel
1 Release securing screw (A)
H
2 Pull cover panel (B) upwards to
remove
3 Grip tab (C), pull upwards to
disengage clips (D) and pull
forwards to remove blanking plate
5
(E) or existing programmer
4 Align connector pins (F) into
receptors (G) in the PCB and push
fully home
5 Feed the ribbon cable (G) into
recess (H)
6 Align programmer (E) and locate
6
clips (D), push into slots then
D
downwards to secure
7 Locate cover panel (B) and secure
with screw (A)
Replace fascia cover and outer
casing before switching on the
electricity supply and boiler
Switch boiler on when completed.
Refer to ‘USERS INSTRUCTIONS’
section for details of pre-set and
setting programs.
DT20RF PROGRAMMER
8-716-106-659 issue a (08.04) UK
DO NOT TOUCH