Trane Picco R32-SL16T - Functional Diagram for 14;14 T;16;SL16;16 T;SL16 T;18 T

Picco R32 Air/Water heat pumps with axial fans
24
Picco R32 14 / 14T / 16 / SL16 / 16T / SL16T / 18T
INVC1
TE
DT1
MF1
RD
RD/RS
RS
RS
F1
EEV1
F2
EV/CO1
RS
SV
LR1
RL21
RS/RD
TE
EXT1
RS
RL
RL
W-IN
W-OUT
P1
AV
FC1
DV
SM
HC1
PSH1
TRH1
Y4W1
TE
SD1
MAF1
TRL1
SV
LS
TE
OUT1
TE
IN1
CO/EV1
MAF1
CO/EV1
RD/RS21
RD/RS22
SV
RL21
RL
RV
SM
KAS1
LEGEND
CODE NUM. DESCRIPTION CODE NUM. DESCRIPTION
INVC 1 VARIABLE SPEED COMPRESSOR W-OUT WATER SYSTEM OUTLET LINE
CO/EV 1 CONDENSER (IN CHILLER MODE) W-IN WATER SYSTEM INLET LINE
EV/CO 1 EVAPORATOR (IN CHILLER MODE) TRH 1 HIGH PRESSURE TRANSDUCER
EEV 1 ELECTRONIC EXPANSION VALVE TRL 1 LOW PRESSURE TRANSDUCER
Y4W 1 4-WAY CYCLE REVERSING VALVE TE EXT 1 OUTDOOR AIR TEMPERATURE PROBE
LR 1 LIQUID RECEIVER TE SD 1 INTAKE LINE TEMPERATURE PROBE
F 1,2 FILTER TE DT 1
COMPRESSOR DISCHARGE TEMPERA-
TURE PROBE
SV FILLING CONNECTION PSH 1 HIGH-PRESSURE SWITCH
HC 1 CRANCKASE HEATER TE IN 1 UTILITY INLET TEMPERATURE PROBE
MAF 1 AXIAL FAN TE OUT 1 UTILITY OUTLET TEMPERATURE PROBE
MF 1 MUFFLER DV DRAIN VALVE
LS LIQUID SEPARATOR RV SAFETY VALVE
RS INTAKE LINE FC 1 FLOW SWITCH
RD DELIVERY LINE P 1 PUMP
RL LIQUID LINE AV AUTOMATIC AIR VENTING VALVE
RD/RS DELIVERY/INTAKE LINE SM SERVICE SLEEVE
RS/RD INTAKE/DELIVERY LINE KAS 1
HEAT EXCHANGER ANTIFREEEZE HEA-
TER