Lennox CMC 020S Installation, Operating And Maintenance Manual page 13

1.- GENERAL CHARACTERISTICS
1.8.- PIPING DRAWINGS
CMC 055/070/085
Fan
DS
055/070/085
Expansion valve
OPTION ELEMENT (ELEMENTO OPCIONAL)
Pressure gauge. (5/16" to be fi tted by the installer).
Discharge sensor.
DS
Low pressure transducer, circuit 1.
LPT1
Low pressure transducer, circuit 2.
LPT2
High pressure switch, circuit 1.
HP1
High pressure switch, circuit 2.
HP2
Expansion valve
Filter drier
Filter drier
Scroll compressor
LP1
LPT1
C1
Scroll compressor
LPT2 LP2
C2
Crank case heater. (Low ambient 0ºC or -15ºC option).
CH1
Crank case heater. (Low ambient 0ºC or -15ºC option).
CH3
High pressure transducer, circuit 1.
HPT1
High pressure transducer, circuit 2.
HPT2
Outdoor temperature sensor
OS
12
COOLING ONLY UNITS
Fan motor
HP1
PT1
HPT1
Fan motor
HP2
PT2
HPT2
Coil
OS
Coil