ELECTRICAL SYSTEM
3- Controller SBU400/410
SBU 400/410
CLUTCH
SOLENOID
VALVE
D+
TEMP
TEMP
PAPM
ICE
PBPM
Alternator
B+
B-
WATER VALVE
M
+ 30
GND
+ 15
Relay board for unique platform application
SBF2XX
Fan LS
Fan HS
Condenser
Up to 6 fans
Up to 4 fans
Power source
VDC (M8)
Low / High P
ressur
e / Ther
mostat fr
eezing
N.C.
N.C. N.C.
N.C.
GND
GND
Duct T
emperatur
e
Duct T
emperatur
e
Fr
esh Air A
Fr
esh Air B
GND W
ater V
alve
W
ater V
alve A
W
ater V
alve +5Vcc
W
ater V
alve B
W
ater V
alve Pot.
Floor Convector W
ater Pump (-)
VCC (+15)
Convector
Alter
nator Signal (D+)
Condenser
Radial S2 F
an
Radial S1 F
an
Clutch
Inner T
emperatur
e
Inner T
emperatur
e
Fan LS
Solenoid valve
Clutch
Alter
nator D+
GND RB
Fan HS
Condenser
+15
+15
Condenser/Clutch
GND (Relay Boar
d)
In order to check the
output configuration,
see SBF2xx
SC410 Only with Air Renewal and / or Heating
CC 185T - CC 205T - CC 205W
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