Lennox CSC Installation, Operating And Maintenance Manual page 10

1.- GENERAL CHARACTERISTICS
1.5.- PIPING DRAWINGS
UNIDAD INTERIOR
AIR TREATMENT UNIT. EXAMPLE
CIC 100
DS
Fan
Coil
DS
Coil
(ELEMENTO OPCIONAL)
OPTION ELEMENT
Pressure gauge. (5/16" to be fi tted by the installer).
Discharge sensor.
DS
Liquid solenoid valve (Long distance option).
SVL1
To be connected by the installer in the air treatment unit.
Liquid solenoid valve (Long distance option).
SVL3
To be connected by the installer in the air treatment unit.
Low pressure transducer, circuit 1.
LPT1
Low pressure transducer, circuit 2.
LPT2
High pressure switch, circuit 1.
HP1
• 8 •
Service valve option
C1
SVL1
Expansion valve
Filter drier
Service valve option
Service valve option
C2
SVL3
Expansion valve
Filter drier
Service valve option
Installation, Operation and Maintenance manual • CSC/CSH-MIL153E-1217-05/2018
CONDENSING UNIT UNIDAD EXTERIOR
CSC 100
Scroll compressor
LP1
LPT1
Scroll compressor
Suction accumulator
(Long distance connection option).
Scroll compressor
LP2
LPT2
Suction accumulator
(Long distance connection option).
High pressure switch, circuit 2.
HP2
Crank case heater. (Low ambient 0ºC or -15ºC option).
CH1
Crank case heater. (Low ambient 0ºC or -15ºC option).
CH2
Crank case heater. (Low ambient 0ºC or -15ºC option).
CH3
High pressure transducer, circuit 1.
HPT1
High pressure transducer, circuit 1.
HPT2
Outdoor temperature sensor
OS
COOLING ONLY UNITS
Fan motor
HP1
PT1
HPT1
Fan motor
HP2
PT2
HPT2
Coil
OS
Coil