Carrier 48FC Series Controls, Start-Up, Operation And Troubleshooting page 19

CONDENSER COIL
OUTDOOR AIR
COMPRESSOR
= CLOSED VALVE
= OPEN VALVE
Fig. 10 - - Normal Cooling Mode – Humidi- -MiZer System with Single Stage Cooling, 48/50FC 04- -06
RDV
VALVE
COMPRESSOR
= CLOSED VALVE
= OPEN VALVE
Fig. 11 - - Normal Cooling Mode – Humidi- -MiZer System with 2 Stage Cooling, 48/50GC 04- -06 and 48/50FC 07
CONDENSER COIL
OUTDOOR AIR
COMPRESSOR
= CLOSED VALVE
= OPEN VALVE
Subcooling Mode (Reheat 1) − Humidi−MiZer System with Single Stage Cooling
Fig. 12 - - Subcooling Mode – Humidi- -MiZer System with Single Stage Cooling, 48/50FC 04- -06
RDV
VALVE
VALVE
CONDENSER COIL
OUTDOOR AIR
RDV
VALVE
VALVE
INDOOR LEAVING
AIR
HUMIDI-MIZER COIL
CLV
EVAPORATOR COIL
INDOOR ENTERING
AIR
INDOOR SUPPLY
AIR
RLV
VALVE
HUMIDI-MIZER COIL
CLV
VALVE
EVAPORATOR COIL
INDOOR RETURN
AIR
INDOOR LEAVING
AIR
HUMIDI-MIZER COIL
CLV
EVAPORATOR COIL
INDOOR ENTERING
AIR
19
REHEAT MODE
METERING
DEVICE (TXV)
EXPANSION
VALVE
(TXV)
REHEAT MODE
METERING
DEVICE (TXV)
a48--- 9191
a48--- 10188
a48--- 9192