Refrigeration Cycle Diagram - Follett 12 Installation, Operation And Service Manual

Diagnostic sequence – Stage 10
If the water level in the fl oat reservoir drops to an unacceptable level, the WTR LED goes out, shutting the ice
machine off. Also, the BT LED comes on, preventing the ice machine from restarting for twenty minutes. If water
is restored, the WTR LED comes back on and fl ashes to alert the technician that water to ice machine has been
lost. The ice machine restarts at the end of the 20 minute time delay. The fl ashing WTR LED can be cleared by
pressing the reset button.
GREEN/YELLOW
BROWN
BLUE
BLACK
ORANGE
ORANGE
BLACK
Refrigeration cycle
condenser
fi lter dryer
high side
service
port
thermostatic expansion valve
22
WHITE
BLACK
WHITE
RED
RED
BLACK
BLACK
YELLOW
evaporator
BLACK
high pressure
switch
low pressure
high high
liquid
pressure pressure
vapor liquid
12CI400A • 12HI400A 220 V 60 Hz/230 V 50 Hz Dispensers
BLACK
low side service
port
compressor
low pressure
vapor