Warmer Drawer (Some Models) - Frigidaire GLCS376ABA Service Data Sheet

WARMER DRAWER (SOME MODELS)
COMPLETE CIRCUIT
Li
C NC
WARMER DRAWER
SAFETY
INFINITE
THERMOSTAT
SWITCH
WARMER
DRAWER
ELEMENT
DIODE
WARMER DRAWER
INFINITE
SWITCH
L i H i
WARMER
DRAWER
INDICATOR
LIGHT
H2 L2
PREHEAT THERMOSTAT
=o
r>
130°F CUT-OUT
T"< 115°F CUT-IN
N
N
When the Warm and Serve Drawer is first turned on, a "Preheat" circuit is established to provide full power (120
volts) through the lock switch, L1 to Hi of the warmer switch, the warmer element and the preheat thermostat.
PREHEAT
WARMER
DRAWER
L1
ELEMENT
PREHEAT
C NC
LI H1
450W
SAFETY
WARMER
THERMOSTAT
THERMOSTAT
DRAWER
WARMER
INFINITE
DRAWER
N
SWITCH
INDICATOR
1"> 130°F CUT OUT
LIGHT T° <115°F CUT-IN
When the temperature at the preheat thermostat reaches 130°F the thermostat opens. This forces the current to flow
through the parallel circuit which contains the diode. The diode allows only half power (every other pulse of electric-
ity or pulsating DC) to flow through the element, resulting in lower heat output by the element. The infinite heat
control switch will cycle as necessary to maintain the temperature in the drawer as indicated by the control switch
setting. If the control is placed on a lower setting, it is possible for the temperature in the drawer to drop enough to
allow the preheat thermostat to close again which will allow the element to reenter the "Preheat" mode at full
power.
AFTER CUT-OUT
Li
SAFETY
WARMER DRAWER
THERMOSTAT
INFINITE
-
SWITCH
- 0-
C
T
O
NC
WARMER
DRAWER
ELEMENT
^ - 225W
WARMER
DRAWER
INDICATOR
LIGHT
WARMER DRAWER
INFINITE
DIODE
SWITCH -
• O
H2 L2
N
N
An indicator lamp wired in parallel with the element is illuminated whenever the control switch is turned on.
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