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ELECTRIC BRAISING PANS - ELECTRICAL OPERATION
F35410 (May 2003) Page 24 of 32
4. When the pan is raised 2.25" to 2.50" at the
rear, pan position/down limit switch contacts
change state. The N.O contacts open to remove
power from K3 heat relay coil; and the N.C
contacts close. Power is then available for K2
relay coil thru the N.C. set of contacts.
The pan can still be raised or lowered thru its
travel range by operating the lift control switch.
Release switch to stop pan travel.
5. Pan reaches full tilt position, the up limit switch
N.C. contacts open and K1 relay coil is de-
energized.
A. The three sets of K1 contacts return to
N.O. position. Power is removed from the
DC motor controller, the DC lift motor and
pan travel stops.
6. Operate the lift control switch to lower the pan
(momentary on - lower).
A. K2 relay coil is energized thru the pan
position/down limit switch N.C contacts.
1) K2 4/7 N.O. contacts close.
2) K2 9/6 N.O. contacts close.
3) K2 8/5 N.O. contacts close.
B. 120VAC to DC motor controller thru K2 4/7
N.O. contacts.
1) 90VDC output is activated at terminals
A + (positive) and A - (negative). DC
lift motor powered thru K2 9/6 N.O.
contacts, K2 8/5 N.O. contacts and
pan lowers.
7. After the pan leaves the full tilt position, the up
limit switch N.C. contacts close. The direction of
pan travel can then be reversed by un-operating
the switch (pan travel stops) then operating the
switch to raise the pan.
8. Pan reaches full down position, pan
position/down limit switch N.C. contacts open
and K2 relay coil is de-energized.
A. The three sets of K2 contacts return to
N.O. position. Power is removed from the
DC motor controller, the DC lift motor and
pan travel stops.