Piping Drawings - Lennox ASC Series Installation, Operating And Maintenance Manual

1. GENERAL CHARACTERISTICS

1.5.- PIPING DRAWINGS

COOLING ONLY UNITS
AIR TREATMENT UNIT. EXAMPLE
DS
Fan Coil
Expansion valve
AIR TREATMENT UNIT. EXAMPLE
Fan
DS
055D/070D/085D
Pressure gauge (5/16" to be fi tted by the installer)
Discharge sensor
DS
SVL1
Liquid solenoid valve. (long distance option)
To be connected by the installer to air treatment unit.
SVL3
LPT1 Low pressure switch, circuit 1
Low pressure transducer, circuit 2
LPT2
• 8 •
Filter drier
(ELEMENTO OPCIONAL)
OPTION ELEMENT
Expansion
Filter drier
valve
Expansion valve
Filter drier
OPTION ELEMENT
(ELEMENTO OPCIONAL)
CONDENSING UNIT
ASC 020S/025S/030S/035S/040S
Scroll compressor
LP1
LPT1
Suction accumulator (long distance connection option).
C1
SVL1
Service valve option
CONDENSING UNIT
ASC 045D/055D/070D/085D
Scroll compressor
LP1
LPT1
Suction accumulator (long distance connec-
C1
tion option).
SVL1
Service valve option
Scroll compressor
LP2
LPT2
Suction accumulator ( long distance connec-
C2
tion option).
SVL3
Service valve option
High pressure switch, circuit 1
HP1
High pressure switch, circuit 2
HP2
Crankcase heater (Low ambient option)
CH1
Crankcase heater (Low ambient option)
CH3
HPT1 High pressure transducer, circuit 1
High pressure transducer, circuit 2
HPT2
Outdoor temperature sensor
OS
Installation, Operation and Maintenance manual • ASC/ASH-MIL152E-1217-01/2019
HP1
PT1
HPT1
HP1
PT1
HPT1
HP2
PT2
HPT2
Fan motor
Coil
Fan motor
Coil
OS
Fan motor
Coil