Instruction manual
ELECTRICS
= EARTH
•
= LIVE
•
= NEUTRAL
•
= SWITCHED LIVE
7 8 9 10
F
H
2 PORT
3 PORT
O
HOT WATER OFF
HOT WATER ON
HEATING ON
INSIDE BOILER
OUTSIDE BOILER
P
G
N1 N2 1 2 3 4 5 6
DANGER - 230V:
ISOLATE THE MAINS ELECTRICITY
PRE-WIRED REMOTE 2 OR 3 PORT VALVE
CONTROL SET USING INTERNAL
PROGRAMMER:
Key to components:
O - REMOTE JUNCTION BOX (10-way) to
connect the following:
Mains wiring 230V 50Hz.
Hot water tank thermostat.
Room thermostat.
System water valves.
Circulating pump.
P - 230V WORCESTER PROGRAMMER
(fitted into fascia panel).
F - INTERNAL PROGRAMMER CONNECTOR.
G- TERMINAL CONNECTOR BLOCK.
H - LINK CONNECTOR.
Remote (10 way) junction box (O)
requirements:
The junction box (O) must be a terminal block
type, current rated to at least 5 amps.
A 5 amp fuse must be fitted to the mains
supply.
The junction box (O) must be fitted externally
to the boiler.
Link 1 to 3 must be removed from the boiler
terminal connector block (G).
A frost thermostat can also be connected to the
remote junction box if required.
Internal Programmer (P) requirements:
2 and 3 port valve control sets:
Set the pin on the rear of the programmer to
‘pumped’.
Remove the link plug (H).
Connect the plug from programmer (P) into
connector (F).
Connect terminal 1 from the boiler terminal
block (G) to the ‘HOT WATER ON’ at the
remote junction box (O).
Connect terminal 2 from the boiler terminal
block (G) to the ‘HEATING ON’ at the
remote junction box (O).
3 port valve control sets:
A 3 port valve control set also requires a live feed
from ‘HOT WATER OFF’ switch position.
Remove the orange wire from terminal 9 and
pull back through the tie wraps. (Ensure that
the brown wire is firmly secured in terminal 9).
Connect the orange wire to terminal 6 on the
boiler terminal block (G).
Connect terminal 6 on the boiler terminal
block (G) to the ‘HOT WATER OFF’ at the
remote junction box (O).
All appliance wiring this side of
the connector remains unchanged
ELECTRICS
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR DANESMOOR WALL MOUNTED OIL 12/18-18/25
8 718 681 134a (08.08)
32
INSTALLATION