Follett Horizon Elite HC Series Operation And Service Manual page 30

Refrigeration system diagram
CONDENSER UNIT
CONDENSER
HEAD CONTROL VALVE
EVAPORATOR UNIT
SOLENOID VALVE
THERMOSTATIC
EXPANSION
VALVE
30
COMPRESSOR
CHECK VALVE
HIGH PRESSURE SWITCH
CHECK VALVE
HEAT EXCHANGER
HIGH SIDE
SERVICE PORT
FILTER
SIGHT GLASS
HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N
SUCTION
ACCUMULATOR
HIGH SIDE
SERVICE VALVE
W/ SERVICE PORT
HIGH SIDE
SERVICE PORT
HIGH SIDE
COUPLING
LOW SIDE
COUPLING
LOW SIDE LOW SIDE
PORT PORT
RECEIVER
FILTER-DRIER
SIGHT GLASS
HIGH SIDE
SERVICE VALVE
W/ SERVICE PORT
LOW SIDE
SERVICE VALVE
W/ SERVICE PORT