Instruction manual

E
LE
CTRICS
I
N
S
TALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR CAMRAY EXTERNAL 12/18-18/25-25/32
8 716 112 700a (02.07)
28
INSTALLATION
E
LECTRICS
•
= EARTH
•
= PERMANENT LIVE
•
= NEUTRAL
•
= SWITCHED LIVE
O
OUTSIDE BOILER
INSIDE BOILER
1 2 3
1 2 3 4 5 6
A
B
C
D
G
Green/Yellow
Green/Yellow
Green/Yellow
Brown
Red
3
2
Orange
F
Brown
Brown
Blue
E
K
L
M
N
N
L
REMOTE 2 OR 3 PORT VALVE CONTROL SET
USING REMOTE PROGRAMMER:
Key to components:
O - REMOTE JUNCTION BOX (10-way) to
connect the following (refer to manufacturers
instructions):
4Mains wiring 230V 50Hz, fed via a circuit
breaker incorporating earth leakage protection.
4Hot water tank thermostat.
4Room thermostat.
4System water valves.
4Circulating pump.
4External programmer.
E - TERMINAL CONNECTOR BLOCK.
Remote (10 way) junction box (K)
requirements:
4The junction box (K) must be a terminal block
type, current rated to at least 5 amps.
4A 5 amp fuse must be fitted to the mains
supply.
4The junction box (K) must be fitted externally
to the boiler.
If an additional frost thermostat is required, it
should be connected to the remote junction box.