Worcester GREENSTAR CAMRAY EXTERNAL 12/18 Instruction Manual page 29

OUTSIDE BOILER
INSIDE BOILER
A
Green/Yellow
B
C
D
Orange
Brown
Brown
Green/Yellow
F
2
3
Red
G
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR CAMRAY EXTERNAL 12/18-18/25-25/32
8 716 112 700a (02.07)
O
E
1 2 3
K
1 2 3 4 5 6
ELECTRICS
•
= EARTH
•
= PERMANENT LIVE
•
= NEUTRAL
•
= SWITCHED LIVE
L
N L
N
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):
Mains wiring 230V 50Hz, fed via a circuit
breaker incorporating earth leakage protection.
Hot water tank thermostat.
Room thermostat.
System water valves.
Circulating pump.
External programmer.
E - TERMINAL CONNECTOR BLOCK.
Remote (10 way) junction box (K)
requirements:
The junction box (K) 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 (K) must be fitted externally
to the boiler.
If an additional frost thermostat is required, it
should be connected to the remote junction box.
M
28
ELECTRICS