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10
FIGURE 7. CIRCUIT DIAGRAM FOR BOOST SPEED CONTROL
FIGURE 8. SWITCH WIRING DIAGRAM
10. ELECTRICAL
WARNING: THIS APPLIANCE MUST BE EARTHED. ALL WIRING MUST CONFORM TO
INSTITUTE OF ELECTRICAL ENGINEERS (IEE) REGULATIONS (CURRENT EDITION)
10.1 The unit is suitable for a 230 V, 50 Hz single phase supply fused at 3 A.
10.2 The unit is supplied with a mains flexible cord (PVC sheathed, 4-core black brown, blue & green/
yellow 0.75 mm² to BS 6500) connected to a terminal block and exiting through a grommet and
cable clamp at the right hand top of the unit.
NOTE:
If no external switched line is to be used, black wire is not connected.
10.3 A fused spur, or double pole switch having a minimum contact separation of 3.0 mm, must be
used to provide isolation for the unit.
10.4 Unit is fitted with 20 mm time lag fuse.
IMPORTANT: If the unit is required opposite hand to that supplied, then the
YELLOW leads to terminal 7 & 8 must be swapped. And likewise with the
white leads on terminals 10 & 11.
YELLOW
RED
BLUE
GREEN
LE 155 / 250
Mk3
