EDM AER 01 S 2GB

IFAN1
IFAN2
SAT
RAT
OAT
LR2
EEV2
SG2 FD2
OFC
OFD
RV2
C2.2
C2.1
LR1
EEV1
SG1FD1
OFA
OFB
RV1
C1.2
C1.1
IC
EP2 CST2
OCT2
CDT2
HPD7
HP2
EP1CST1
OCT1
HP1
HPD6
CDT1
SUPPLY AIRRETURN AIR
OUTDOOR AIR
AIR
EXTRACTED
SysAer
9
SR160 - SR190 - SR210
Refrigerant Flow Diagram
REPERE DESCRIPTION
C1.1 / C1.2
C2.1 / C2.2
Compressor
RV1 / RV2 Cycle reversal valve
OFA / OFB
OFC / OFD
Outside fans
FD1 / FD2 Dehydrating filter
SG1 / SG2 Liquid light
EEV1 / EEV2 Electronic pressure reducing valve
LR1 / LR2 Liquid accumulation bottle
IC Internal coil (evaporator)
CDT1 / CDT2 Backflow temperature
HP1 / HP2 High pressure switch
OCT1 / OCT2 Condenser temperature
HPD6 / HPD7 De-frosting pressure switch
CST1 / CST2 Intake temperature sensor
EP1 / EP2 Low pressure sensor
IFAN1 / IFAN2 Blast fans
RFAN1 / RFAN2 Extraction fans
RAD Air return damper
OAD Fresh air damper
EAD Extracted air damper
RAT Air return temperature
RAH Air return hygrometry
REPERE DESCRIPTION
RAQ
Air return quality
OAH Outside air hygrometry
OAT Outside air temperature
MAT Temperature of air mix before coil
SAT Blast air temperature
ERV FRECO coil modulating valve
ERC FRECO coil anti-freeze alarm
HWV Valve modulating hot water coil
HWC Hot water coil anti-freeze alarm
FA Heating thermostat automatic reset
FM Heating thermostat manual reset
CR TRECO compressor
RVR TRECO cycle reversal valve
FDR TRECO dehydrating filter
TEVR TRECO pressure reducing valve
FPER TRECO pressure transducer (low pressure)
HPR
TRECO automatic reset high pressure pressure
switch
FPCR TRECO pressure transducer (high pressure)