Built-In
Built-In
(600-
(600-
2
2
)
)
Series
Series
Electronic Control System
3-8
#3758407 - Revision B - August, 2006
FUNCTIONS OF THE ELECTRONIC CONTROL SYSTEM
The following pages explain monitoring, regulating and controlling functions of the electronic control system. In most
cases signal traces on a model 632-2 wiring schematic are used to show current flow for functions being explained.
Supply Power to the Lighting System
115 Volts AC are supplied to the lighting system through the control board when the unit is switched ON
by pressing
the UNIT ON/OFF key. With the doors open, the light switches allows power to the lights (See Figure 3-10).
NOTE: 115 Volt AC signal to the lights is monitored by the microprocessor to control the door ajar alarm feature.
NOTE: If in Sabbath Mode, th lighting system is disabled. Sabbath Mode will be covered later.
Figure 3-10. Signal Trace Schematic of Lighting System
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