5
5. Referring to the wiring diagrams on page 6-12,
connect the unit as shown.
6. The unit is supplied ready for use in systems having
PUMPED
primaries.
Should the unit be required for use in a system having
GRAVITY
primaries,
fi
t the small plastic shorting link
(which can be found taped below the left hand
fi
screw hole of the wallplate) over the two pins on the
rear of the plug-in module. These pins can be found in
the recess near to the bottom edge of the plug-in
module.
7. Ensure all dust and debris are cleared from the area.
8. Locate the module on the latches at the bottom of
the wallplate and hinge upwards to fully engage the
unit connectors into the wallplate. Tighten the two
fi
xing screws to secure the unit to the wallplate.
9. Before setting the programme, check the unit and
circuit.
Switch ON the mains supply and press both
WATER
and
HEATING
rocker switches to the
CONSTANT
position - both red LED’s should now be illuminated.
Adjust any remote thermostat to check the services
operate
correctly.
10. Then press both
WATER
and
HEATING
rocker
switches to the
OFF
position and check that both
services do not operate.
11. Finally, press both
WATER
and
HEATING
rocker
switches
to
TIMED
position prior to programming the
unit.
Installation
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