11 Wiring diagrams
Thermo Pro 90
1113
11.17 Legend for comments
11.18 Legend for plug X8, 12-pin
X9
4-pin plug connection
To item P or P1
X10 4-pin
plug
connection
W-bus, MultiControl / SmartControl connection, Telestart (12 V
only), ThermoCall or diagnosis
X11
2-pin plug connection
To item DP
X12
2-pin plug connection
To item UP
Y2
Solenoid valve / pump
Auxiliary drive / pumping device
Item
Description
Remarks
No.
Remarks
D+ signal (vehicle motor ON/OFF) for deter-
mining the control temperature
When connecting MultiControl/SmartCon-
trol (W-bus), the black wire must be
removed from plug connection X10 (pin 2)
and isolated (if not already done).
Fuse for vehicle blower (fuse present in vehi-
cle)
Switch for vehicle blower
EMC interference suppression module (HDD
version only)
Wiring harness
Fuse for vehicle blower (fuse present in vehi-
cle)
-
Optional extension available (connection to
plug connection X10)
CAN module; as per SAW J1939 for diag-
nostics function (optional, HDD version
only)
Mating connector on vehicle conforms to
VG95328R2016P (optional, HDD version
only)
VG95328R2016PN connector (optional,
HDD version only)
No.
Remarks
1
Output, battery disconnector afterrunning
signal
2
Output, vehicle fan relay
3
Input switch-on signal (ON/OFF)
4
Operating indicator/error code output
5
Auxiliary drive
6
W-bus
7
Terminal D+
8
CAN GND as per SAE J1939 (HDD version
only)
9
Power supply (terminal 31)
10
CAN LOW as per SAE J1939 (HDD version
only)
11
CAN HIGH as per SAE J1939 (HDD version
only)
12
Power supply (terminal 30)
