Alpha E-Tec Hybrid - General Information
Fig. 4.10
4.9 HEAT PUMP SCHEMATIC
R ..............Return to heat pump
F ..............Flow from heat pump
b1.............Stop valve (cooling liquid)
b2.............Stop valve with service opening (coolant gas)
c ...............Silencer
d...............Silencer with filter
e...............Heat exchanger
f................Storage tank
g...............Safety valve
h...............Cut-off valve
i ................Air purge
j ................Cap
k ...............Antifreeze protection valve
l ................Vacuum switch
m ..............Filter
B1PR .......Coolant pressure sensor
Shut-off valve ... Standard supplied shut-off valves
M1C .........Compressor motor
M1F .........Fan motor
R1T ..........External probe
R1T (t>) ...Water outlet probe
R2T ..........Evaporator probe
R3T ..........Compressor outlet probe
R3T (t>) ...Liquid phase probe
R4T (t>) ...Water inlet probe
S1PH .......High pressure switch
Y1E ..........Electronic expansion valve
Y1S ..........Four way solenoid
........Screw connection
........Flared connection
........Quick release connector
Shut off valves
S1PH
R3T
t>
R1T
t>
R4T
t>
R1T
(*)(**) OR
(***)(****)
(*)
(**)
(*) OR
(**) OR
(***) OR
(****)
(***)
(****)
R2T
R3T
B1PR
M1C
Y1S
M1F
Y1E
b1
d
e
e
d
i
R
F
d
b2
g
h
j
k
c
c
f
c
m
(***)
(*)
(****)
(**)
h
i
i
i
i
h
l
l
Shut off valves
Shut off valves
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