Instruction manual

ELECTRICS
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR CAMRAY EXTERNAL &
EXTERNAL SYSTEM 12/18-18/25-25/32
8 716 115 667a (05.2009)
29
INSTALLATION
DANGER - 230V:
ISOLATE THE MAINS ELECTRICITY
SUPPLY BEFORE STARTING ANY
WORK AND OBSERVE ALL RELEVANT
SAFETY PRECAUTIONS.
IMPORTANT: THIS APPLIANCE
PROVIDES A PERMENANT EXTERNAL
ELECTRICAL SUPPLY FOR SERVICING
AND MUST THEREFORE BE FED VIA A
CIRCUIT BREAKER INCORPORATING
EARTH LEAKAGE PROTECTION.
WARNING: EXTERNAL EQUIPMENT
OPERATED AT 230 VOLTS SHOULD NOT
BE SERVICED OR REPAIRED UNDER
ADVERSE WEATHER CONDITIONS.
Access to 230V connections:
1Release screws (A) and remove cover
panel (B) from control box (C).
2Release screws (D) from cable clamp (E).
Pull inner clamp part (F) outwards.
Feed sufficient power cable (G) through the
cable clamp (E) and secure grip with screws (D).
Separate wires from cable end and strip to 6mm.
230V connections (terminal block X1):
3Connect the permanent LIVE wire (Brown)
to terminal L.
Connect the switched LIVE wire (demand
or boiler feed) to terminal 1.
Connect NEUTRAL wire (Blue) to
terminal N.
Connect EARTH wire (Green/Yellow) to
the connector .
Route the power cable down the side panel
through the service duct to the internal property
connection point avoiding any potentially hot
surfaces.
Any external device connected to the
boiler must take its power supply from
the boiler supply only and must NOT
have a separate supply.
NOTE: A frost thermostat is fitted as
standard to the external appliance to provide
frost protection.
D
2
B
3
1 2 3
= EARTH
= PERMANENT LIVE
= NEUTRAL
= SWITCHED LIVE
230V
A
1
S
A
E
F
G
G
C
2
3
ELECTRICS
230V
MAINS
SUPPLY
CAMRAY EXTERNAL SYSTEM SHOWN