Electrics - Worcester Greenstar Ri User Manual

9A
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR Ri
8 716 109 699a (05/05)
9B

ELECTRICS

CAUTION: ISOLATE THE MAINS
ELECTRICITY SUPPLY BEFORE STARTING
ANY WORK AND OBSERVE ALL
RELEVANT SAFETY PRECAUTIONS
Note: Mains supply to the boiler and system
wiring centre must be through a common
fused double pole isolator situated adjacent
to the appliance. The isolator must have a
contact separation of 3mm minimum in all
poles. A switched live signal should be wired
to the boiler from the wiring centre.
Access to electric control panel:
1 Remove boiler casing to access control panel.
2 Unscrew the three screws (A) in the control
panel and pull off the connections cover (B).
3 Unclip cable clamp (C).
4 Cut off the tapered cable entry to fit cable
diameter required.
5 Turn cable retaining screw (D) anti-clock-wise
6 Run cable over the main crossbar and
through the cable clamp (C), ensure there is
ample cable to reach the connectors.
7 Turn cable clamping screw (D) clockwise to
secure cable and replace clamp (C) into
control panel.
8 Mains power 230v connection (ST1):
Separate wires from cable end and strip to
6mm
Connect LIVE wire to terminal (L)
Connect NEUTRAL wire to the terminal (N)
Connect EARTH wire to the connector (E)
9A External Pump (ST2):
Connect NEUTRAL wire to terminal (Np)
Connect LIVE wire to terminal (Lp)
Connect EARTH wire to earth bracket (E)
9B Boiler Demand Live (from external wiring
centre) (ST2):
Connect DEMAND LIVE wire to terminal (L
N OTE: TH E SYSTE M P U M P M U ST B E
CONNECTED TO THE APPLIANCE CON-
TROL FOR THE PUMP OVER-RUN FACILITY.
Refit electric control panel covers:
Refit panel (B) and secure with screws.
Locate lugs at top edge of panel (A) and
clip in at base.
ELECTRICS
).
R
24