Instruction manual

1
= EARTH
= LIVE
= NEUTRAL
A
A
A
F
D
C
3
5
2
B
C
G
H
7 8 9 10
5 6
7 8 9 10
N1 N2 1 2 3 4 5 6
230V
4
E
CH
DHW
External 230V
programmer
J
From programmer
F
ELECTRICS
DANGER - 230V:
ISOLATE THE MAINS ELECTRICITY
SUPPLY BEFORE STARTING ANY
WORK AND OBSERVE ALL
RELEVANT SAFETY PRECAUTIONS.
Access to 230V connections:
1Remove the five electrical box rear cover
screws (A) and remove the cover.
2Release screws (B) from cable clamp (C).
Feed sufficient power cable (D) through the
cable clamp (C) and secure grip with
screws (B).
Separate the wires from the outer insulation and
strip the insulation to 6mm.
230V connections:
3Connect LIVE wire (Brown) to
terminal LI.
Connect NEUTRAL wire (Blue) to
terminal N.
Connect EARTH wire (Green/Yellow) to
the terminal .
Any external device connected to the
boiler must NOT have a separate supply.
See the following pages of electrical
diagrams for details of different systems.
External 230V programmer:
4 Remove the link from link block (E).
Connect wires as shown.
Optional Worcester 230V programmer:
5 Remove the four fascia mounting plate
screws (F) and remove the mounting plate
from the fascia.
Loosen the two retaining screws (G) and
remove the blanking plate (H).
Fit the programmer then retighten the
retaining screws (G).
Refit the mounting plate into the fascia and
refit the four screws (F).
Remove the link block (E).
Plug the programmer block ( J )into the
terminal block as shown.
*Move the orange wire from terminal 9 to
terminal 6 for a 3 port valve system.
Refit rear cover:
Refit the rear cover to the electrical box
and secure with screws (A).
*
ELECTRICS
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR DANESMOOR WALL MOUNTED OIL 12/18-18/25
8 718 681 134a (08.08)
30
INSTALLATION