EDM SYSAER R32 (EDM AER R32 01 S 2GB)

IF-0.1
IF-0.2
SAT-0.1
RAT-0.1
OAT-0.1
TEV-2.1
SG-2.1 DF-2.1
OF-2.1
RV-2.1
C-2.1
TEV-1.1
SG-1.1
DF-1.1
OF-1.1
RV-1.1
C-1.1
IC-0.1
PTLP-2.1
OCT-2.1
CDT-2.1 PTHP-2.1PSHP-2.1
PTLP-1.1
OCT-1.1
PSHP-1.1PTHP-1.1 CDT-1.1
SUPPLY AIRRETURN AIR
OUTDOOR AIR
AIR
EXTRACTED
SYSAER R32
7
Refrigerant Flow Diagram
SR R32 105 - SR R32 120 - SR R32 140
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 Thermostatic pressure reducing valve
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
REPERE DESCRIPTION
RAD Air return damper
OAD Fresh air damper
EAD Extracted air damper
RAT Air return temperature
RAH Air return hygrometry
VOC/CO2 Air quality sensor
OAH Outside air hygrometry
OAT Outside air temperature
MAT Temperature of air mix before coil
SAT Blast air temperature
HWV Valve modulating hot water coil
HWC Hot water coil anti-freeze alarm
FA Heating thermostat automatic reset
FM Heating thermostat manual reset