Danfoss Heating
5
GB
MK.9 or SET
The FP975 is supplied fi tted with a Danfoss Randall SET wallplate.
However the FP975 will also mount directly onto a Danfoss Randall
MK.9 wallplate without the need for wiring changes. However when
used with existing MK.9 wallplates the left hand switch must be set
in the MK.9 position to re-confi gure the time control to match MK.9
wiring connections.
PUMPED or GRAVITY
When this switch is in the
PUMPED
position the Heating and Water
outputs are
UNLINKED
. When in the
GRAVITY
position the Water
output is
LINKED
to the Heating output so that whenever the
Heating is
ON
the Water will also be
ON
regardless of the Water
programme.
Place the switch in the
PUMPED
position if the system being
controlled is a) fully pumped with a mid-position valve, b) fully
pumped with a two port zone valve in each circuit, c)
GRAVITY
Hot Water,
PUMPED
Heating with a two port zone valve with SPDT
auxiliary switch in the gravity primary circuit (and wired in accordance
with diagrams on pages 9-10).
Place the switch in the
GRAVITY
position if the system being
controlled is a) fully pumped, but with only a single two port zone
valve in the Heating circuit, b)
GRAVITY
Hot Water,
PUMPED
Heating
with no zone valves.
7 Day, 5/2 Day or 24 Hour
When both switches are in the
7 DAY
position each day of the
week may be programmed with diff erent
ON/OFF
times. When the
switch is in the
5 DAY/2 DAY
position, weekdays (Mon-Fri) can be
programmed with one set of
ON/OFF
times, and weekends (Sat-Sun)
can be programmed with a diff erent set. When both switches are in
the
24 hour
position the same set of times will be repeated in every
24 hour period.
3.2 New Installation
1. Fix the wallplate to the wall or plaster box as required.
When
fi xing the wallplate note that the terminals are at the top,
and the vertical centre line of the unit lies between terminals N
and L.
2. Surface cables can only enter from below the unit. If mounted on
a plaster box, cables can enter from the rear through the aperture
in the wallplate.
For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]
