Electrical - Bosch WORCESTER GREENSTAR 25CDi Instruction Manual

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ELECTRICAL

EARTH =@
LIVE = O
0
NEUTRAL =
SWITCHED LIVE = ©
' THERMOSTAT
©©.§
230 V
ST10
Ls Ln
N Ns
'©•©;©©.©
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INSTALLATION & SERVICIN INSTRUCTIONS FOR WORCESTER BOSCH
ELECTRICAL
X
X
CAUTION: ISOLATE THE MAINS
\
ELECTRICITY SUPPLY BEFORE STARTIN
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ANY WORK AND OBSERVE ALL
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RELEVANT SAFETY PRECAUTIONS
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Danger of short circuit: When connecting
the cables ensure that no cable pieces fall
into the Heatronic.
Note: Mains supply to the boiler must be
through a fused double pole isolator situated
adjacent to the appliance. The isolator must
have a contact separation of 3 mm minimum in
all poles.
FROST
Access to electrical connections:
s
►
Remove boiler casing to access control panel.
_ ____ \
1. Lower the control panel into the service
position by removing the screw (X) from the
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retaining bracket.
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ST6
2. Unscrew the three screws (B) on the back
/
□ □□□
/
of the control panel and pull off the connec ­
F F N L
r s f f
/
tions cover.
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3. Unclip cable clamp (C).
4. Cut off the tapered cable entry to fit cable
diameter required.
5. Turn cable retaining screw (D) anti-clockwise.
Run cable over the main crossbar and
through the cable clamp (C), ensuring there
is ample cable to reach the connectors.
Turn cable clamping screw (D) clockwise to
secure cable and replace clamp (C) into
control panel.
Mains power 230 V connection (ST10):
Separate wires from cable end and strip to
6 mm
Connect LIVE wire to terminal (L)
Connect NEUTRAL wire to the terminal (N)
Connect EARTH wire to the earth connec ­
tor ( -±-)
NOTE: Earth cable to be longer so that it
pulls out last if mains cable is snagged.
A
Optional external frost thermostat connec ­
tion (ST6):
Connect frost thermostat supply wire to ter ­
minal (Fs)
Connect frost thermostat return wire to ter ­
minal (F
230V room thermostat and/or external timer
(ST10):
Remove link
Connect room thermostat LIVE supply to
terminal (Ls)
Connect room thermostat LIVE return to ter ­
minal (L
Connect room thermostat NEUTRAL to ter ­
minal (Ns)
Refit control panel cover:
Refit panel and secure with screws (B).
Bring the control panel to its upper position
and fix it with screw (A).
REENSTAR 25CDÍ/30CDÍ/35CDÍ/40 CD!
6 720 611 927b (04/05)
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