Baxi Combi 133 HE Plus Installation & Servicing Instructions Manual page 27

Metal Shield
Plug
Filter
Fig. 26a
2-way
Terminal
Block
Fig. 27
PCB
Fig. 28
PCB
Fig. 29
© Baxi Heating UK Limited 2005
Link Wire
1 2
For External
Controls
External Timer
8.0 Installation
8.7 Making The Electrical Connections
(Fig. 26a)
WARNING: This appliance must be earthed.
1. The electrical connection is on the rear left hand
side of the unit.
2. Remove the electrical plug and lead assembly from
the hardware pack.
3. Connect L, N & E of the lead into the fused double
pole isolator serving the boiler. Connect the plug to
the socket at the back left at the bottom of the boiler.
4. Remove the metal shield from the hardware pack
and connect it over the plug.
5. If fitting an integral timer please refer to the
instructions supplied with the kit.
6. Check the electrical installation for; earth continuity,
short circuits, resistance to earth, correct polarity and
fuse failure (see Section 8.13 Electrical System Checks).
8.8 Connecting an External Timer
Electrical
Cover
1. Undo the screw securing the electrical cover and
remove (133 HE Plus only) (Fig. 27).
Cable Clamp
2. To connect an external timer switch circuit, remove
the link wire between terminals 1 & 2 and connect the
switch circuit (Figs. 28 & 29).
3. A cable clamp is provided for incoming cables.
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