Lennox GCS16-823

Page 55
G-Cycle Control Kit (Figure 64)
hen applied to unit with electromechanical thermostat, pre
vents frequent cycling caused by thermostat diddling or ther
mostat bulb vibration. The cycle controls require minimum on
and minimum off times before compressors can be energized
or deenergized. The cycle controls plugin to the No field wir
ing is required. The kit consists of two cycle control delays
DL8 and DL9. Once installed, DL8 prevents the first stage
compressors from being energized until the first stage ther
mostat bulb has been closed for at least 30 seconds. First
stage thermostat bulb must be open for at least 240 seconds
before first stage compressors can be deenergized. DL9 pre
vents second stage compressors from being energized until
second stage thermostat bulb has been closed for at least 60
seconds. Second stage thermostat bulb must be open for at
least 240 seconds before second stage compressors can be
deenergized.
NOTELate production units are equipped with factory
installed cycle controls.
CYCLE CONTROL KIT WIRING DIAGRAM
FIGURE 64