Lennox ECOLEAN EAC 0091 S Installation, Operating And Maintenance page 19

1.- GENERAL CHARACTERISTICS
1.8.- PIPING DRAWINGS
ST1
Water
inlet
FS ST2
Water
outlet
Plate exchanger
Pressure gauge
Flow switch (option in standard version)
Water inlet probe (water inlet regulation)
Water outlet probe (anti-freeze protection)
Piping probe circuit 1 (condensing temperature visualization)
Piping probe circuit 2 (condensing temperature visualization)
6
Low pressure switch cooling cycle circuit 1
Low pressure switch cooling cycle circuit 2
High pressure switch circuit 1
High pressure switch circuit 2
Condensing pressure control ON/OFF fan motor
HPR11
Condensing pressure control. Low/high speed
HPR12
Condensing pressure control ON/OFF fan motor
HPR21
Condensing pressure control. Low/high speed
HPR22
Crank case heater
CH1
Crank case heater
CH2
Crank case heater
CH3
COOLING ONLY UNITS EAC 1003S TO 1303S
Scroll compressor
LP1
Hot gas injection valve
(option)
Expansion
valve
(By-pass valve.
BPV
Low ambient temperature -15ºC
(option))
LP2
Hot gas injection valve
(option)
Expansion
valve
BPV
S
HP1 HPR11 HPR12
S
Scroll
compressor
SV1
HP2 HPR21 HPR22
S
Scroll
compressor
SV2
(By-pass valve.
Low ambient temperature -15ºC
(option))
18
Coil
Fan motor
ST3
Filter
drier
Coil
Fan motor
ST6
Filter
drier