Valeo REVO-E, Руководство по ремонту

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412
REVO-E Heat pump 4 Function and functional schematics
4.4.6 Operating Mode De-Icing)
(Version HP+ only)
Requirements:
–
Start of Heat Pump Mode or 1h Heat Pump Mode op-
eration
– Environmental temperature
≥
-5°C (REVO-E HP+)
– no frequency converter or compressor errors
– no low-voltage error
– Terminal 15 active
– Vehicle hybrid system active
– HVAC power consumption enabled by
“D_AuxiliaryPowerEnabled” signal
– no HVIL error
–
∆
T temperature passenger compartment > 0K
– SC620 CAN message “heat pump available“ to BEA
body
– “D_CabinHeatpumpReq” signal sent by BEA body.
Fig. 408 Operating Mode De-Icing
Analog input
HVIL 1 voltage
Analog input
HVIL 2 voltage
CAN interface
vehicle
SC620
Sensor
blow-out
temperature
Sensor
pass. comp.
temperature
Double radial blower
Speed
Compressor
Fresh air
flaps actuator
Double radial blower
Axial fans
Frequency
converter
Fresh air
flaps
actuator
active
Compress
or
act
iv
ate
4 5
1
2
3
6
7
1 Solenoid valve
2 Solenoid valve HGA / actu-
ator (in 11123865_only)
3 Suction pressure sensor
4 High pressure safety switch
5 Low pressure safety switch
( not in 11123865_ )
6 4-way reversing valve
7 High pressure sensor
24V
4-
wa
y re
v
e
rs
in
g va
lv
e wo
rk
s
a
s
a
c
tu
at
o
r