Lennox ECOLOGIC Series

Installation - Operation - Maintenance manual • CHILLERS • ANNEXES - 0105-E • 67 •
RA - REFRIGERATION CIRCUIT
REFRIGERANT DRAWING
std/ln/he/sln
RA
AIRFLOW
AIRFLOW
M
09
P
08
03
S
HP
T
P
11
1213
S
01
05a
05b
10
04b
04a
06a
06b
C1 & C2
19
T ext
CE
UDT
07a
07b
02
S
370 STD/LN/HE/SLN
P P
18
REFRIGERATION CIRCUIT COMPONENTS
Airflow
Airflow
VARIANTS OPTIONS
BASIC UNIT
Size 370
STD/LN/HE/SLN
HP/LP pressure
gauges
Suction and
discharge isolating
valve
Sight glass
01/03/04a/04b/
08/09/10/11/12/18/
19
Add 02 Add 05a & 05b Add 06a & 06b Add 13
Suction and discharge isolation
valves
06a 06b
Low and High pressure
manometer
05a 05b
Pressure transducers HP & BP
04a 04b
High pressure switch
03
3rd scroll compressor on size
370 STD/LN/HE & SLN
02
1st & 2nd scroll compressors
01
Safety valve CE or UDT
07a 07b
Air cooled condenser
08
Fan motor
09
Manual isolating valve
10
Filter drier11
Solenoïd valve12
Sight glass
13
Suction temperature sensor
18
External temperature sensor
19
Heating resistance (option)
WA unit
CE or UDT
07a or 07b