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18
Installation
Wiring
WARNING: The unit MUST be earthed. All wiring must conform to current I.E.E.
Wiring Regulations and all applicable standards and Building Regulations.
The unit is suitable for 230V~50Hz Single phase supply fused at 3A.
A double pole isolation switch with contact separation of at least 3mm must be
used to connect the appliance to the fi xed wiring.
Boost controls must not be located within 1 metre of a cooker or where they may
be aff ected by excessive heat or moisture
Boost controls should be clearly identifi ed and conveniently located.
The boost switch wiring must not be connected to the mains supply.
The boost switch is connected to the control board (which is located under the
COVER on top of the SCROLL).
The boost switch wiring cable access is via cut outs in the COVER.
The boost switch wiring connection to be made by the 5v+ and SW terminals on
the control board.
The boost overrun can be triggered by any device which provides a one-way
switch, such as a PIR, thermostat, humidistat or a standard one-way switch.
The boost facility features a overrun timer, so we recommend a sprung-return
(momentary) switch is used to prevent the boost being accidentally left on for
longer than intended.
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Double Pole Isolator
3A Fuse
L
N
L
N
Supply Wiring Diagram 230V~50Hz
CME1_Q_Plus_Product_Manual.indd 18
CME1_Q_Plus_Product_Manual.indd 18
24/09/2009 15:15:30
24/09/2009 15:15:30